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1
Shi, Jinzhen, Thomas P. Schuman, and O. Stoffer. "Ink-jet printing paper with improved waterfastness." Journal of Coatings Technology and Research 1, no. 3 (July 2004): 225–34. http://dx.doi.org/10.1007/s11998-004-0016-0.
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Zhang, Liyuan, Kuanjun Fang, and Hua Zhou. "Interaction of Reactive-Dye Chromophores and DEG on Ink-Jet Printing Performance." Molecules 25, no. 11 (May 28, 2020): 2507. http://dx.doi.org/10.3390/molecules25112507.
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Digital inkjet printing has been widely used in textile industry. The quality of dye solutions and ink-jet droplets limits the ink-jet printing performance, which is very important for obtaining high-quality ink-jet printing images on fabrics. In this paper, we introduced diethylene glycol (DEG) into the dye solutions of Reactive Blue 49 and Reactive Orange 13, respectively, and investigated the interaction between dye chromophores and DEG molecules. Results indicated that the dye chromophores were featured in the aggregation. Adding DEG into the dye solution could effectively disaggregate clusters of reactive dyes, and eliminate satellite ink droplets, thus improving the resolution of the ink-jet printing image on fabrics. Under the same DEG concentration, the disaggregation effect was more obvious in Orange 13 than in Reactive Blue 49. Higher DEG concentration was required in Reactive Orange 13 solution for creating complete and stable ink drops. The surface tension and viscosity of the dye solutions were measured, and printing performance on cotton fabrics was evaluated. The interaction mechanism between dye chromophores and DEG molecules was also investigated. Results from this work are useful for high-quality ink-jet printing images on fabrics.
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ZOUHAIER, ROMDHANI, BAFFOUN AYDA, HAMDAOUI MOHAMED, and ROUDESLI SADOK. "General behavior and parameters affecting the Ink jet printing phenomenon on woven polyester fabric." Industria Textila 68, no. 01 (March 1, 2017): 37–46. http://dx.doi.org/10.35530/it.068.01.1327.
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Studying textile wettability has important implications in textile industries and paper treatment as the detergency, the chemistry and material-selection procedures of modern engineering materials, such as ink jet printing. This present paper aims to study the effect of different parameters of liquid, fabric structure and experiment on the liquid drop impact. The digidrop with high resolution camera is used to measure the different parameters characterizing this phenomenon. The obtained results show that the high drop projection affects deeply the drop profile and the spreading behavior after important drop deformation at the surface impact. Then, the fabric construction as the weft count and the nature of fiber influence the drop impact. For the plain weave, an increase of weft count causes a decrease of penetration and increase the spreading rate. Finally, the surface tension of used liquid drop influences the general behavior of wetting phenomenon.
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Ali, Muhammad, Long Lin, Saira Faisal, Iftikhar Ali Sahito, and Syed Imran Ali. "Optimisation of screen printing process for functional printing." Pigment & Resin Technology 48, no. 5 (September 2, 2019): 456–63. http://dx.doi.org/10.1108/prt-05-2019-0043.
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Purpose The purpose of this study is to explain the effects of screen printing parameters on the quantity of ink deposited and the print quality in the context of printing of functional inks. Both these aspects of printing are crucial in the case of conventional and functional printing. This is because, in the case of conventional printing, the quantity of ink deposit affects the color strength while in the case of functional printing, it directly affects the resulting functionality of the ink layer. Design/methodology/approach In this work, an automatic lab-scale screen printer was used to print functional inks on a paper board substrate. The printing parameters, i.e. printing pressure and squeegee angle were altered and the resulting effects on the quantity of ink that was deposited were recorded. The quantity of ink deposit was related to its surface resistivity. In addition, the quality of the print was also assessed by examining the design registration quality. Findings The authors found that altering the squeegee angle has a significant effect on the properties of the resulting ink deposit. More importantly, the authors found that the deflection in the rubber blade squeegee was greatly dependent on the initial angle of the squeegee at the start of the printing stroke. For each set value of the squeegee angle that was considered, the actual angle during printing was recorded and used in the analysis. A printing pressure of three bars and squeegee angle of 20° resulted in the maximum weight of ink deposit with a correspondingly lowest surface resistivity. Practical implications This study is envisaged to have considerable practical implications in the rapidly growing field of functional printing of flexible substrates including, but not limited to, textiles. This is because, the study provides an insight into the effects of printing parameters on the characteristics of a functional ink deposit. Originality/value Screen printing of flexible substrates is a well-developed and arguably the most widely used printing technique, particularly for textiles. Numerous studies report on the analysis of various aspects of screen printing. However, to the best of the knowledge, the effects of printing parameters on the characteristics of functional inks, such as electrically conductive inks, have not been studied in this manner.
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KOIVULA, HANNA, MIKKO JUUTI, DOUGLAS BOUSFIELD, JANET PRESTON, RAIMO SILVENNOINEN, KAI-ERIK PEIPONEN, and MARTTI TOIVAKKA. "Comparison of Dynamic Print Gloss Measurement Techniques." February 2009 8, no. 2 (March 1, 2009): 19–28. http://dx.doi.org/10.32964/tj8.2.19.
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Well-defined optical properties are essential in determining the quality of printed papers. The mea-surement of optical properties, such as print gloss, as a function of time provides a means of studying ink-setting behavior and paper-ink interactions. This study compares three different methods for measuring dynamic print gloss: a dynamic gloss meter, a diffractive-optical-element-based gloss meter (DOG), and a polarized-light reflec-tometer. Four double-coated papers were printed at varying ink levels. This paper compares and discusses the tech-nical details of the measurement techniques. Dynamic print gloss results are evaluated in the light of current ink-set-ting theories. Each of the methods is highly applicable to ink-setting studies. With low inking level, the paper properties, surface roughness, and absorption are important for gloss development. Printing conditions such as speed, nip geometry, and materials have significant influence. As the amount of ink used in printing is increased, the printing conditions start to influence the gloss dynamics considerably, especially on glossy papers.
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Menshutina, Natalia, Andrey Abramov, Pavel Tsygankov, and Daria Lovskaya. "Extrusion-Based 3D Printing for Highly Porous Alginate Materials Production." Gels 7, no. 3 (July 14, 2021): 92. http://dx.doi.org/10.3390/gels7030092.
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Three-dimensional (3D) printing is a promising technology for solving a wide range of problems: regenerative medicine, tissue engineering, chemistry, etc. One of the potential applications of additive technologies is the production of highly porous structures with complex geometries, while printing is carried out using gel-like materials. However, the implementation of precise gel printing is a difficult task due to the high requirements for “ink”. In this paper, we propose the use of gel-like materials based on sodium alginate as “ink” for the implementation of the developed technology of extrusion-based 3D printing. Rheological studies were carried out for the developed alginate ink compositions. The optimal rheological properties are gel-like materials based on 2 wt% sodium alginate and 0.2 wt% calcium chloride. The 3D-printed structures with complex geometry were successfully dried using supercritical drying. The resulting aerogels have a high specific surface area (from 350 to 422 m2/g) and a high pore volume (from 3 to 3.78 cm3/g).
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HSIEH, JEFFERY S. "Deinking of inkjet digital nonimpact printing." September 2012 11, no. 9 (October 1, 2012): 9–15. http://dx.doi.org/10.32964/tj11.9.9.
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Pigmented nonimpact (inkjet) printing is a concern in conventional flotation deinking, due to the problems associated with the hydrophilic, submicron-size pigment particles of the ink. Preliminary experiments were conducted to evaluate the efficiency of a conventional flotation deinking process in detaching those inkjet particles from the fiber surfaces and network. A Denver D-12 laboratory flotation cell was used to test 100% old newsprint paper (ONP) with the ISO brightness target set to 58, which makes a paper recyclable. The inkjet-printed ONP was floated to 47 ISO brightness by the INGEDE Method 11. It was enhanced to 50 ISO brightness using flotation, with the addition of nonionic surfactant for better repulping. In addition, a patented electric field technology was used for further improving the floated ISO brightness to 52.5—yet still short of the 58 target for recycling. This improvement was reached with small air bubble sizes, which are more likely to collide and interact with ink particles, causing additional ink to be brought up to the surface of the water pool. The increasing problem of deinkability from digital nonimpact inkjet printing means that additional technical efforts are needed to overcome the crossroad between environmental concerns and technological progress. Papermills, inkjet suppliers, printer manufacturers, and academic and industrial deinkers should take collective action to meet the challenges to future success.
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Valdec, Dean, Krunoslav Hajdek, Igor Majnarić, and Darijo Čerepinko. "Influence of Printing Substrate on Quality of Line and Text Reproduction in Flexography." Applied Sciences 11, no. 17 (August 25, 2021): 7827. http://dx.doi.org/10.3390/app11177827.
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This study characterizes and compares the parameters of the quality reproduction of fine elements in flexography on coated and uncoated paper as well as on OPP film (oriented polypropylene). A monochrome test form was created and printed using cyan UV ink. The analysis of results confirms the importance of interaction between the printing substrate and ink; it also indicates identical line and text deformations on the print. Quality reproduction on coated paper is higher in relation to OPP film for all the research parameters. The ink penetrates significantly more and with more irregularity into the pores and throats of the uncoated paper, which results in less homogeneous elements, and in such way that it loses its original shape. In coated paper and OPP film, the ink spreads more on the substrate area which gives it a significantly more homogeneous shape. However, due to the surface spread of the ink, the biggest changes in the size of fine elements are noticeable in the OPP film. The scientific contribution of this paper is based on the comparison of print quality parameters of fine elements, which can contribute to the optimization of the production process and quality of the final graphical product.
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Serpelloni, Mauro, Edoardo Cantù, Michela Borghetti, and Emilio Sardini. "Printed Smart Devices on Cellulose-Based Materials by means of Aerosol-Jet Printing and Photonic Curing." Sensors 20, no. 3 (February 4, 2020): 841. http://dx.doi.org/10.3390/s20030841.
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Printed electronics is an expanding research field that can reach the goal of reducing the environmental impact on electronics exploiting renewable and biodegradable materials, like paper. In our work, we designed and tested a new method for fabricating hybrid smart devices on cellulose substrates by aerosol jet printing (AJP) and photonic curing, also known as flash lamp annealing (FLA), capable to cure low temperature materials without any damage. Three different cellulose-based materials (chromatographic paper, photopaper, cardboard) were tested. Multilayer capability and SMDs (surface mount devices) interconnections are possible permitting high flexibility in the fabrication process. Electrical and geometrical tests were performed to analyze the behavior of printed samples. Resulted resistivities are 26.3 × 10−8 Ω⋅m on chromatographic paper, 22.3 × 10−8 Ω⋅m on photopaper and 13.1 × 10−8 Ω⋅m on cardboard. Profilometer and optical microscope evaluations were performed to state deposition quality and penetration of the ink in cellulose materials (thicknesses equal to 24.9, 28.5, and 51 μm respectively for chromatographic paper, photopaper, and cardboard). Furthermore, bending (only chromatographic paper did not reach the break-up) and damp environment tests (no significant variations in resistance) where performed. A final prototype of a complete functioning multilayer smart devices on cellulose 3D-substrate is shown, characterized by multilayers, capacitive sensors, SMDs interconnections.
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Deroco, Patricia Batista, Dagwin Wachholz Junior, and Lauro Tatsuo Kubota. "Silver Inkjet-Printed Electrode on Paper for Electrochemical Sensing of Paraquat." Chemosensors 9, no. 4 (March 25, 2021): 61. http://dx.doi.org/10.3390/chemosensors9040061.
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The use of fully printed electrochemical devices has gained more attention for the monitoring of clinical, food, and environmental analytes due to their low cost, great reproducibility, and versatility characteristics, serving as an important technology for commercial application. Therefore, a paper-based inkjet-printed electrochemical system is proposed as a cost-effective analytical detection tool for paraquat. Chromatographic paper was used as the printing substrate due its sustainable and disposable characteristics, and an inkjet-printing system deposited the conductive silver ink with no further modification on the paper surface, providing a three-electrode system. The printed electrodes were characterized with scanning electron microscopy, cyclic voltammetry, and chronopotentiometry. The proposed sensor exhibited a large surface area, providing a powerful tool for paraquat detection due to its higher analytical signal. For the detection of paraquat, square-wave voltammetry was used, and the results showed a linear response range of 3.0–100 μM and a detection limit of 0.80 µM, along with the high repeatability and disposability of the sensor. The prepared sensors were also sufficiently selective against interference, and high accuracy (recovery range = 96.7–113%) was obtained when applied to samples (water, human serum, and orange juice), showing the promising applicability of fully printed electrodes for electrochemical monitoring.
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Izdebska-Podsiadły, Joanna. "Effect of Plasma Surface Modification on Print Quality of Biodegradable PLA Films." Applied Sciences 11, no. 17 (September 6, 2021): 8245. http://dx.doi.org/10.3390/app11178245.
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PLA films, as non-absorbent materials, require modification of the surface before the printing process in order to improve the wettability of the substrate and to obtain proper ink adhesion to the substrate. In this paper, the surfaces of two kinds of PLA films were modified using plasma activation with parameters enabling high surface free energy (SFE) values, and then the films were printed on using different kinds of flexographic inks. Two gases, oxygen and argon, were used for activation, as these make it possible to obtain good hydrophilicity and high SFE values while having different effects on the roughness, or the degree of surface etching. Plasma-activated films were subsequently subjected to the measurements of: contact angle with water, diiodomethane and three printing inks, roughness, weight change, strength properties, color and gloss change, and SFE was determined. Unmodified and activated films were flexographically printed in laboratory conditions and then the quality of obtained prints was analyzed. The results showed a strong effect of activation with both oxygen and argon plasma on the SFE value of the films and the contact angles of water and inks, with the gas used for plasma activation and the type of film significantly influencing the thickness of the fused ink layer and the resultant color. Moreover, plasma activation had a especially favorable and significant effect on the quality of prints made with water-based inks, while it had little effect when printing with solvent-based inks.
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Abd El-Wahab, H., G. El-Meligi, M. G. Hassaan, A. Kazlauciunas, and Long Lin. "New water-based copolymer nanoparticles and their use as eco-friendly binders for industry of flexographic ink, part I." Pigment & Resin Technology 49, no. 3 (January 11, 2020): 239–48. http://dx.doi.org/10.1108/prt-10-2019-0095.
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Purpose The purpose of this paper is to prepare, characterise and evaluate nano-emulsions of copolymers of various compositions as eco-friendly binders for flexographic ink industry. Design/methodology/approach Various nano-emulsions of copolymers were prepared using styrene (St), butyl acrylate (BuAc), acrylic acid (AA) and acrylamide (AAm) monomers by means of a conventional seeded emulsion polymerisation technique, using K2S2O8 as the initiator. The characterisation of the prepared emulsions was performed using Fourier transform infrared (FT-IR), thermogravimetric analysis (TGA), gel permeation chromatography (GPC) and transmission electron microscopy (TEM). A selection of copolymers was formulated with pigments and additional ingredients, as water-based flexographic inks. The inks were characterised for their viscosity, pH, degree of dispersion, water resistance and colour density. Findings It was found that the low viscosity of the prepared copolymers may reduce the film thickness of the flexographic inks and may also increase the spreading of the ink on the surface. As a result, stable modified polyacrylate-based latex with improved physico-mechanical properties were obtained. The prepared latexes were showed improving and enhancing in water resistance; gloss values, and the print density that ranged from 2.06 to 2.51 and the maximum gloss values (39 and 48) were also obtained. Also, these binders provide excellent adhesion properties for both the pigment particles and the base paper. Practical implications This study focuses on the preparation of new water-based copolymer nanoparticles and their use as eco-friendly binders for flexographic ink industry. Social implications The ink formulations developed could find use in industrial-scale printing. Originality/value Eco-friendly environment ink formulations for printing on paper substrates are novel.
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Abd El-Wahab, H., G. A. Meligi, M. G. Hassaan, and L. Lin. "New water-based flexographic ink based on new ter-polymer nano-particles as eco-friendly binders – Part II." Pigment & Resin Technology 49, no. 6 (May 4, 2020): 473–82. http://dx.doi.org/10.1108/prt-12-2019-0111.
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Purpose The purpose of this study is to prepare, characterise and evaluate nano-emulsions of ter-polymers of various compositions as eco-friendly binders for flexographic ink industry. Design/methodology/approach Various nano-emulsions of ter-polymers were prepared based on Vinyl acetate, Vinyl Versatate, butyl acrylate, acrylic acid and acrylamide monomers by means of a conventional seeded emulsion polymerisation technique, using K2S2O8 as the initiator. The characterisation of the prepared emulsions was performed using Fourier transform infrared, thermo-gravimetric analysis, gel permeation chromatography and transmission electron microscopy. A selection of co-polymers and ter-polymers were formulated with pigments and additional ingredients, as water-based flexographic inks. The inks were characterised for their rheological properties, pH, degree of dispersion, water-resistance and colour density. Findings It was found that the low viscosity of the prepared polymers may reduce the film thickness of the flexographic inks and may also increase the spreading of the ink on the surface. As a result, stable modified poly acrylate-based latex with improved physico-mechanical properties was obtained. The prepared latexes showed improved properties such as enhanced thermal stability and better water resistance. The effect of the emulsifier type on the properties of the resulting emulsion latexes and their corresponding films were investigated. Also, as the hydrophobic monomer increases, so does the colour density and increasing the binder ratio enhances the gloss values. The improving in gloss values were obtained and provide excellent adhesion properties for both the pigment particles and the base paper. Research limitations/implications The study focusses on the preparation of new water-based ter-polymer nano-particles and their use as eco-friendly binders for flexographic ink industry. Ink formulations based on other different type emulsion polymers could also be studied to assess the applicability of the ink formulation system found for other binders. Practical implications The ink formulations developed could find use in industrial-scale printing. Originality/value Eco-friendly environment and low-cost ink formulations for printing on paper substrates are novel.
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Ali, Muhammad, Long Lin, Saira Faisal, Syed Rizwan Ali, and Syed Imran Ali. "Let-down stability and screen printability of inks prepared using non-printing ink grades of carbon black pigment." Pigment & Resin Technology 48, no. 6 (November 4, 2019): 523–32. http://dx.doi.org/10.1108/prt-06-2019-0050.
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Purpose This paper aims to analyse the let-down stability of the binder-free dispersion of non-printing ink grades of carbon black and to assess the screen-printability of the finished inks formulated thereof from these pigment dispersions. Design/methodology/approach Binder-free pigment dispersions that were prepared and optimised following a ladder series of experiments (reported in a separate study by the authors) were let-down with three different binders such that inks containing various amounts of a binder were prepared followed by a rheological characterisation immediately after formulation and after four weeks of storage. The screen printability of the inks that displayed considerable stability was assessed, so was the ink film integrity. Findings The pigment dispersions that were considered in the present study were generally found to be stable after let-down with different binders. This was indicated by the fact that the finished inks possessed a shear thinning viscosity profiles, after formulation and after storage, in most of the cases. Furthermore, the screen printability of the inks was also found to be good in terms of registration quality of a selected design. The structure of the ink film deposits on uncoated and binder-coated textile fabrics was also highly integrated and free from discontinuities. Originality/value Carbon blacks with very low volatile matter content and/or high surface area are generally not considered suitable for use in the formulation of printing inks. This is because of their generally poor dispersability and inability to form dispersions that remain stable over extended periods. This work, which is a part of a larger study by the authors, concerns with the stability of inks formulated from binder-free dispersions of such non-printing ink grades of carbon black. The major advantage of using such pigments in inks is that the required functionality is achieved at considerably low pigment loadings.
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Arapov, Kirill, Robert Abbel, Gijsbertus de With, and Heiner Friedrich. "Inkjet printing of graphene." Faraday Discuss. 173 (2014): 323–36. http://dx.doi.org/10.1039/c4fd00067f.
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The inkjet printing of graphene is a cost-effective, and versatile deposition technique for both transparent and non-transparent conductive films. Printing graphene on paper is aimed at low-end, high-volume applications,i.e., in electromagnetic shielding, photovoltaics or,e.g., as a replacement for the metal in antennas of radio-frequency identification devices, thereby improving their recyclability and biocompatibility. Here, we present a comparison of two graphene inks, one prepared by the solubilization of expanded graphite in the presence of a surface active polymer, and the other by covalent graphene functionalization followed by redispersion in a solvent but without a surfactant. The non-oxidative functionalization of graphite in the form of a donor-type graphite intercalation compound was carried out by a Birch-type alkylation, where graphene can be viewed as a macrocarbanion. To increase the amount of functionalization we employed a graphite precursor with a high edge to bulk carbon ratio, thus, allowing us to achieve up to six weight percent of functional groups. The functionalized graphene can be readily dispersed at concentrations of up to 3 mg ml−1in non-toxic organic solvents, and is colloidally stable for more than 2 months. The two inks are readily inkjet printable with good to satisfactory spreading. Analysis of the sheet resistance of the deposited films demonstrated that the inks based on expanded graphite outperform the functionalized graphene inks, possibly due to the significantly larger graphene sheet size in the former, which minimizes the number of sheet-to-sheet contacts along the conductive path. We found that the sheet resistance of printed large-area films decreased with an increase of the number of printed layers. Conductivity levels reached approximately 1–2 kΩ □−1for 15 printing passes, which roughly equals a film thickness of 800 nm for expanded graphite based inks, and 2 MΩ □−1for 15 printing passes of functionalized graphene, having a film thickness of 900 nm. Our results show that ink preparation and inkjet printing of graphene-based inks is simple and efficient, and therefore has a high potential to compete with other conductive ink formulations for large-area printing of conductive films.
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DAHLVIK, PETER, GUILLERMO BLUVOL, KARL-HEINZ KAGERER, MANFRED ARNOLD, and DAN VARNEY. "Influence of topcoat pigment particle size distribution on tail-edge pick resistance in sheet-fed offset printing." June 2012 11, no. 6 (July 1, 2012): 51–58. http://dx.doi.org/10.32964/tj11.6.51.
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This paper describes ground calcium carbonate pigment particle size distribution and its influence on the tail-edge picking of pilot-coated paper as determined in full-scale sheet-fed offset printing. A tailor-made method was developed using a modified printing plate and high-tack inks to assess surface strength in terms of edge picking. In addition to the type, fineness, and particle size distribution of the ground calcium carbonate pigment, we also evaluated the solids content of the coating color, binder level, clay usage, and calendering. The printing test method provided differentiation relative to the investigated parameters, and it was possible to correlate these results with laboratory test data on ink-coating interaction and mercury intrusion porosimetry. Maximizing the solids content of the formulation to some extent compensated for the loss of pick resistance that followed binder reduction. Other laboratory tests showed poor correlation with the observed degree of edge picking.
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Aydemir, Cem. "A study on the printability properties of alkali-sized recycled papers." Science and Engineering of Composite Materials 23, no. 5 (September 1, 2016): 565–71. http://dx.doi.org/10.1515/secm-2013-0266.
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AbstractRecycled handsheets were prepared from old newspapers and old office papers with internal sizing applications of alkyl ketene dimer (AKD) emulsion at 0.5%, 1.0% and 1.5% addition levels as received basis. Handsheets made at 80 g/m2 were air dried and oven dried as placed in drying rings followed by conditioning prior to testing. The contact angle, surface energy and drop volume changes of handsheets were carefully measured as well as used some offset printing applications. Freeness levels of pulp from newspapers and office papers were measured to be 65 and 45 SR°, respectively. It was confirmed that AKD sizing improved paper resistance against water and printing ink, and this was further improved with oven drying. Contact angle values obtained from oven-dried office papers and newspapers were in the range of 105°–95° and 85°–75°, respectively. Without drying, lowest contact angles from newspapers and office papers were recorded to be around 72° and 37°, respectively. Results were in agreement with surface energy values of samples which were around 60 mJ/m2 for air-dried samples and over 30 mJ/m2 for oven-dried handsheets. It was concluded that sizing actually improves print quality but may also increase colour change differences over time as represented by ΔE.
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Şimşeker, Osman. "Offset printing results analysis of different based inks in cardboard packaging production." Polish Journal of Chemical Technology 23, no. 2 (June 1, 2021): 88–93. http://dx.doi.org/10.2478/pjct-2021-0022.
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Abstract The main raw material of paper and cardboard used in packaging is cellulose. Cardboard packages made of cardboard, which can be produced in much different quality and weight, are obtained in numerous shapes and appearances 1, 2 . Paper and cardboard packaging are among the most economical packaging types. Using less raw materials, more durable but thin, light, economical cardboard is produced 2, 3 . In this study, under equal printing conditions, test prints were made on cardboard substrates (for cardboard packaging) with mineral oil based, vegetable oil (soy oil) based and UV cured inks used for the printing of the same images. After these prints, the properties of mineral oil, vegetable oil and UV ink; the effect on the print results was measured from different ways (Chroma*, Print density, unprinted surface Gloss 75°, Print Gloss 60°). At the same time, the visual differences between the print results were determined by the optical imaging (SEM) method and were examined by the elemental analysis method.
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SONG, SHUNXI, MEIYUN ZHANG, ZHIRUN YUAN, JIAN WANG, JUNMIN SUN, and YONGHAO NI. "The potential of fly ash-based calcium silicate as paper filler: Physical properties and printability." October 2014 13, no. 10 (November 1, 2014): 49–57. http://dx.doi.org/10.32964/tj13.10.49.
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The development and application of low-cost and high-performance fillers by the paper industry is one of the most interesting aspects of filler technology. A novel calcium silicate, a byproduct, known as fly ashbased calcium silicate (FACS), from the value-added use of fly ash of coal-fired power plants, can be used as paper filler. To simulate the industrial papermaking process, a dynamic sheet former was used to evaluate the effect of FACS on the physical properties and printability of calendered paper. The results were compared with those of commonly used fillers, i.e., ground calcium carbonate (GCC) and precipitated calcium carbonate (PCC). FACS-filled paper delivered a higher bulk than GCC-filled or PCC-filled papers at a given paper roughness. In addition, use of the original FACS exerted less influence on the tensile and tear strength of the filled paper. Printing quality tests indicated that at the same print density, the ink demand of FACS-filled paper was higher than that of GCC-filled or PCC-filled papers, but lower print through was obtained at the same amount of ink transferred to paper. The paper sheets containing the original FACS exhibited better surface strength than PCC-filled sheets. The results support the potential use of FACS as a low-cost filler for fine paper production.
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Borghetti, Michela, Mauro Serpelloni, and Emilio Sardini. "Printed Strain Gauge on 3D and Low-Melting Point Plastic Surface by Aerosol Jet Printing and Photonic Curing." Sensors 19, no. 19 (September 28, 2019): 4220. http://dx.doi.org/10.3390/s19194220.
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Printing sensors and electronics directly on the objects is very attractive for producing smart devices, but it is still a challenge. Indeed, in some applications, the substrate that supports the printed electronics could be non-planar or the thermal curing of the functional inks could damage temperature-sensitive substrates such as plastics, fabric or paper. In this paper, we propose a new method for manufacturing silver-based strain sensors with arbitrary and custom geometries directly on plastic objects with curvilinear surfaces: (1) the silver lines are deposited by aerosol jet printing, which can print on non-planar or 3D surfaces; (2) photonic sintering quickly cures the deposited layer, avoiding the overheating of the substrate. To validate the manufacturing process, we printed strain gauges with conventional geometry on polyvinyl chloride (PVC) conduits. The entire manufacturing process, included sensor wiring and optional encapsulation, is performed at room temperature, compatible with the plastic surface. At the end of the process, the measured thickness of the printed sensor was 8.72 μm on average, the volume resistivity was evaluated 40 μΩ∙cm, and the thermal coefficient resistance was measured 0.150 %/°C. The average resistance was (71 ± 7) Ω and the gauge factor was found to be 2.42 on average.
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Hakeim, Osama Abdel, Asmaa Ahmed Arafa, Magdy Kandil Zahran, and Laila Abdel Wahab Abdou. "Characterisation and application of pigmented UV-curable inkjet inks." Pigment & Resin Technology 47, no. 2 (March 5, 2018): 164–72. http://dx.doi.org/10.1108/prt-11-2016-0099.
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Purpose The purpose of this paper is to prepare ultra-violet (UV)-curable inkjet inks for textile printing application. The influence of both type and component ratio of monomer/oligomer on the quality of the desired viscosity range is studied. Moreover, the effect of pigment/resin ratio on the rheological behaviour of the ink has been studied. Design/methodology/approach Aqueous dispersions of nanoscale organic pigments were prepared through ball milling and ultrasonication. The dispersed pigments were encapsulated into UV-curable resin via miniemulsion technique, using different types and component ratios of monomers and oligomers. Findings It was found that the monomer/oligomer ratio of 2:3 and the pigment/resin ratio of 2:1 gave the most stable miniemulsion dispersions and provided the most suitable rheological range for inkjet printing inks. Research limitations/implications As the rheology of the ink is optimised, most of the problems associated with the jetting process could be avoided. Practical implications This method of using UV-curable encapsulated inks eliminates the usage of binders, which are the principal factor for nozzle clogging of the print head. In addition, binders are responsible for the coarse handle of the printed textiles. Social implications The UV-curable inks were viewed as a green technology by the US Environmental Protection Agency. Originality/value This method is simple and fast and requires low cost. In addition, it could find numerous applications in surface coating.
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Skrzetuska, Ewa, Daria Michalak, and Izabella Krucińska. "Design and Analysis of Electrodes for Electrostimulation (TENS) Using the Technique of Film Printing and Embroidery in Textiles." Sensors 21, no. 14 (July 13, 2021): 4789. http://dx.doi.org/10.3390/s21144789.
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This article describes the development of transcutaneous nerve stimulating electrodes (TENS) by means of electrically conductive ink and conductive yarn. The scope of work covered a selection of three types of knitwear with a similar surface weight with different raw material composition. Stimulating electrodes were made by means of film printing and machine embroidery. The electrodes were verified after friction tests, washing, and mechanical deformation. Each process was followed by a check of the resistive properties and assessment of the sensations in order to evaluate their performance. Tests of the surface resistance of research materials confirmed the possibility of preparing textile electrodes for electrostimulation with the use of the film-printing technique and machine embroidery. Resistance of the electrodes made on all types of substrates ranged from approximately 1.00 × 10−2 Ω to around 2.00 × 102 Ω, while the electrodes are commercially available at the level of approximately 3.5 × 105 Ω. This paper underpins the validation of the conclusion that operational processes do not adversely affect the functioning of the developed textile electrodes.
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Liu, Mingjie, Qi Zhang, Yulong Zhao, Yiwei Shao, and Dongliang Zhang. "Design and Development of a Fully Printed Accelerometer with a Carbon Paste-Based Strain Gauge." Sensors 20, no. 12 (June 16, 2020): 3395. http://dx.doi.org/10.3390/s20123395.
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In this paper, we present a fully printed accelerometer with a piezoresistive carbon paste-based strain gauge printed on its surface, which can be manufactured at low cost and with high efficiency. This accelerometer is composed of two parts: a sensor substrate made from high-temperature resin, which is printed by a 3D printer based on stereolithography apparatus (SLA), and a carbon paste-based strain gauge fabricated by screen-printing technology and by direct ink writing (DIW) technology for the purposes of comparison and optimization. First, the structural design, theoretical analysis, simulation analysis of the accelerometer, and analyses of the conductive mechanism and the piezoresistive mechanism of the carbon paste-based strain gauge were carried out. Then the proposed accelerometer was fabricated by a combination of different printing technologies and the curing conditions of the carbon paste were investigated. After that, the accelerometers with the screen-printed strain gauge and DIW strain gauge were characterized. The results show that the printing precision of the screen-printing process on the sensor substrate is higher than the DIW process, and both accelerometers can perform acceleration measurement. Also, this kind of accelerometer can be used in the field of measuring body motion. All these findings prove that 3D printing technology is a significant method for sensor fabrication and verification.
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Zhu, Zhi Wei, Guang Xue Chen, Qi Feng Chen, and Ming Guang Yu. "Influence of Ink-Jet Paper Surface Characteristics on Color Reproduction." Applied Mechanics and Materials 151 (January 2012): 373–77. http://dx.doi.org/10.4028/www.scientific.net/amm.151.373.
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With the rapid development of color science, especially the ink-jet printing, the evaluation of the color copy effectiveness become one of the most important evaluation parameters in the ink-jet printing. Meanwhile, it makes the evaluation of the effectiveness of color reproduction become more and more quantitative. This paper selects four ink-jet printing papers with different types and physical properties, according to measurement and analysis of the whiteness, gloss, roughness, absorption and other performance parameters of the papers, it shows the effect from the various performance parameters of ink-jet printing paper to color reproduction. At the same time, the study of this paper offers a certain practical guidance to the selection of ink-jet printing paper as well as the improvement of replication precision of ink-jet printing.
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ENGSTRÖM, Gunnar. "Causes of back-trap mottle in lithographic offset prints on coated papers." February 2016 15, no. 2 (March 1, 2016): 91–101. http://dx.doi.org/10.32964/tj15.2.91.
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Back-trap mottle is a common and serious print quality problem in lithographic offset printing of coated papers. It is caused by nonuniform ink retransfer from an already printed surface when it passes through a subsequent printing nip with the print in contact with the rubber blanket in that nip. A nonuniform surface porosity gives rise to mottle. A key parameter in mottling contexts is the coating mass distribution, which must be uniform. Good relationships between mottle and mass distribution have also been reported; the mottle pattern coincides with that of the coating mass distribution. High blade pressures, compressible base papers, and high water pick-up between application and metering, which plasticizes the paper, yield uniform mass distributions, but these parameters might have a detrimental effect on the runnability in blade coating in terms of web breaks. The general opinion has been that nonuniform surface porosity is caused by binder migration and enrichment of binder in the coating surface, more in the high coat weight areas and less in the low coat weight areas. Recent research has suggested that a more probable mechanism is depletion of binder in the coating surface. Nonuniform shrinkage of the pigment matrix (filter cake) formed during the consolidation between the first critical concentration (FCC) and the second critical concentration (SCC) is another possible mechanism. Relevant relaxation times for latex and the time scales for consolidation show that the high coat weight areas shrink more than the low coat weight areas in the coating layer. A recent pilot-scale experiment has shown that the drying strategy did not affect the differences in shrinkage between high and low coat weight areas. The drying strategy has a pronounced impact on mottle. A high evaporation rate at the beginning of the evaporation results in less mottle than a low evaporation rate. The least mottle is obtained if the drying is performed with a gap in the course of evaporation between the FCC and the SCC.
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Sönmez, S., and Ö. Özden. "The influence of pigment proportions and calendering of coated paperboards on dot gain." Bulgarian Chemical Communications 51, no. 2 (2019): 212–18. http://dx.doi.org/10.34049/bcc.51.2.4853.
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Dot gain is called Tone Value Increase (TVI). Low dot gain and rounder dot shape are important properties to obtain a good print. Dot gain is a measure of how much extra weight a given percent dot or tone has gained on the final printed substrate by comparison to the actual dot area on a press plate. Dot gain value depends on many factors. The interactions of paper, ink and press conditions are important determinates for a good print. In addition, the pigment coating process and calendering conditions have a significant effect on the printability of paperboards. Pigment coating formulations including mineral pigments, binders and additives improve the gloss, brightness, opacity and smoothness of the paperboards. As a result, print quality of paperboards increase. A uniform paperboard surface is needed to obtain a high quality surface smoothness after the coating process. High surface smoothness improves the uniformity of the dot shape and size. Pigment coating formulation parameters; pigment selection, binder selection and binder level influence print quality. The aims of this study - pigment selection and ratio - are to determine the effect on dot gain in lithography printing. To this aim, base paperboards were coated using five pigment coating formulations which included different combinations of kaolin, calcium carbonate and titanium dioxide pigment with a styrene\n-butyl acrylate copolymer binder using a bar application. After coating, the samples were air-dried overnight under TAPPI conditions. Then, half of the coated-paperboards were calendered. Tone scales from 1 to 100 % were offset printed using black ink on the uncalendered and calenderedcoated paperboards. Then, from the printed tone scale, the tone area values were measured with the Gretagmacbeth Spectrolino spectrophotometer. These values showed that pigment coating improved the surface optical and physical properties of paperboards. After calendering, the roughness values of coated paperboards decreased. In addition, the obtained dot and line sharpness on calendered-coated paperboards were better than on uncalenderedcoated paperboards. However, the dot gain values of calendered-coated paperboards had fewer dot gains than uncalendered-coated paperboards. It was established that the variation of pigment proportions in the coating formulations had no significant effect on dot gain.
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Qu, Zhen Cai, Guang Xue Chen, Bao Lin Tang, and Shuang Shuang Wen. "Effect of Paper Surface Characteristics on Dot Gain in Ink-Jet Printing." Advanced Materials Research 174 (December 2010): 227–30. http://dx.doi.org/10.4028/www.scientific.net/amr.174.227.
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Four kinds of ink-jet papers with different surface characteristics are chosen in this paper, by the ink-jet proofing experiments, the influence of surface characteristics to dot gain is studied, and the law of dot gain with paper surface characteristics is discussed. During the experiment, surface properties including absorbency, gloss, roughness and whiteness are tested firstly; then, the standard wedge of GATF is printed on these papers in the same printing conditions; finally, the dot gain is tested by SpectroEye. After experimental data processing and analysis, dot gain curves of different ink-jet papers are concluded, the law of dot gain with ink-jet paper surface characteristics is summarized. The results show that dot gain is different in different paper, the evaluation of 3# is the best; dot gain is also different with different colors in the same paper, and it is serious in cyan but light in yellow; the biggest dot gain appears in different contrast with different colors, cyan appears near the 65% dot area. The result of this paper offers a certain theoretical reference and practical guidance to the selection, the research and development of ink-jet paper as well as the improvement of ink-jet qualities.
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Vaitasius, Kęstutis, Svitlana HAVENKO, Svitlana KHADZHYNOVA, Konrad OLEJNIK, and Edmundas Kibirkštis. "Influence of primers on the optical characteristics of ink-jet imprints." Mechanics 26, no. 4 (September 15, 2020): 360–64. http://dx.doi.org/10.5755/j01.mech.26.4.24434.
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The quality of ink-jet printing depends to a large extent on the technical characteristics of the selected equipment and the surface properties of the printed substrates. It is known that for digital printing it is necessary to use expensive paper with a special coating that determines the degree of gloss of the surface. Therefore, ordinary offset papers before ink-jet printing are covered with primers that ensure good fixation of pigment ink or dye on paper, a wide field of color coverage, characteristic gloss, which generally contribute to high quality of imprints. As you can see, the type of the substrate and the state of its surface has a very great influence on the quality of the imprints. Result of the research, it has been confirmed that not only expensive paper of a special purpose can be used for a drop ink-jet digital printing. High-quality color imprints can also be obtained on ordinary offset and coated paper, coated before printing with special primers based on interpolymeric complexes of polyvinyl alcohol, which will provide sufficient optical density, contrast of images, and expand the possibilities of digital ink-jet printing.
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Song, Ya, Guo Gong, Jingjing Du, Shaowen Xie, Min Ouyang, Yahui Feng, Jianxiong Xu, and Lijian Xu. "Synthesis and Inkjet Printing of NaYF4:Ln3+@NaYF4 Core–Shell Nanoparticles with Enhanced Upconversion Fluorescence for Anti-Counterfeiting Applications." Journal of Nanoscience and Nanotechnology 20, no. 3 (March 1, 2020): 1511–19. http://dx.doi.org/10.1166/jnn.2020.17353.
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Recently, lanthanide-doped upconversion luminescent materials have showed great potential in optical data storage, information encryption and anti-counterfeiting. However, the low upconversion luminescence still limited their applications. In this work, we fabricated RGB NaYF4:Ln3+@NaYF4 core–shell nanoparticles (CSNPs) with enhanced upconversion luminescence by coating an inert NaYF4 shell onto NaYF4:Ln3+ core nanoparticles via thermal decomposition method. The effect of increased shell temperature and addition of shell precursors on crystal phase, morphology and luminescent property of the synthesized CSNPs were systematically investigated. It was demonstrated that high shell growing temperature facilitated the formation of pure β-NaYF4 CSNPs. Upon increasing amount of shell precursors, the morphologies of hexagonal phase NaYF4 CSNPs changed from nanorod to nanocube and showed different luminescent properties. Pure hexagonal phase NaYF4 CSNPs with highest upconversion luminescence of about 15 times higher than NaYF4:Ln3+ core nanoparticles can be prepared at 310 °C with the addition of shell precursors at 3 mmol. Moreover, three-primary-color (RGB) CSNPs with enhanced upconversion luminescence were successfully prepared by changing the doping pair of lanthanide ions in core. The synthesized RGB CSNPs were fabricated into environment friendly luminescent ink by sequential surface modification by PAA ligand and dispersing in mixture solvent of ethanol, water and glycerol. Comparative results showed that the fluorescence enhanced RGB CSNPs inks were more suitable for inkjet printing of multicolored, complex and high resolution luminescent anti-counterfeiting patterns on paper substrates.
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Leng, Xian, Bing Rong Cui, Lu Hai Li, Peng Du, Wen Zhao, and Xu Wei Hu. "Influence of Colorant on Ink-Jet Printing Quality." Materials Science Forum 689 (June 2011): 372–76. http://dx.doi.org/10.4028/www.scientific.net/msf.689.372.
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This study aims to analyse how inks of different colorant present unlike printing quality on selected substrates in inkjet printing. Applying Epson piezoelectric inkjet printer, experiments of printing pigment-based ink and dye-based ink on various substrates (coated art paper, porous photo paper, swellable photo paper, PP synthetic paper, xuan paper and PET-based coated film) were carried out respectively. Using digital microscope, the spreading, penetrating and distributing of ink drops were observed. Water fastness and light fastness were evaluated through aging test and water-immersing test, by measuring the decreasing of optical solid density. Taking the formula of inks and the composition of coating layers into consideration, contrast and analysis of print quality with different black inks on substrates of diverse support body were studied. The result demonstrates: Both dye-base and pigment-base inks present ideal optical density in special-purpose photo paper (swellable or porous type), exhibit distinct writing picture edge, and excellent water fastness and light fastness. While, coated art paper, PP synthetic paper, xuan paper and PET-based coated film, which shows relatively rough surface or weak ink absorbancy, are more suitable to use pigment-based ink.
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LI, JINGMEI, and SHELDON I. GREEN. "Fiber interaction with a forming fabric." August 2012 11, no. 8 (September 1, 2012): 39–46. http://dx.doi.org/10.32964/tj11.8.39.
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During sheet forming, the structure of the forming fabric leaves wire marks on the pulp mat. Paper nonuniformity caused by the wire mark can lead to ink nonuniformity in printing. We investigated wire mark numerically through simulations of the interaction of individual fibers with a forming fabric. In the simulations, the flow field through the forming fabric was taken to be that of single-phase water flow without disturbance of fibers. A particle level simulation method was applied to simulate the motion of fibers in the flow through a single layer sine-wave fabric. A hundred fibers of random initial distribution were placed into the flow above the fabric. Those fibers were advected onto the fabric, forming a fiber mat. The surface roughness of the resulting fiber mat was then calculated. The results show that during the initial formation, topographic wire mark is caused partially by fiber bending and partially by the geometry of the fabric. For the specific fibers and sinusoidal forming fabric considered, more than 50% of topographic wire mark is the result of geometry, with the remainder attributed to fiber bending. Fabrics with different geometries (e.g., different filament pitches or a nonsinusoidal geometry) will have different relative influences from geometry and fiber bending.
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Tay, B. Y., and M. J. Edirisinghe. "Investigation of some phenomena occurring during continuous ink-jet printing of ceramics." Journal of Materials Research 16, no. 2 (February 2001): 373–84. http://dx.doi.org/10.1557/jmr.2001.0057.
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A ceramic ink was prepared, characterised, and subjected to continuous ink-jet printing. The optimum modulation frequency for printing was estimated. The surface free energies of several substrates were determined and different patterns of the ink droplets were printed on these. Phenomena occurring during the process were investigated. The drop-by-drop resolution and ink spreading were found to be dependent on the dispersive/total surface free energy ratio of the substrates. Ink drying was accompanied by powder migration in the droplets deposited on substrates with a surface free energy lower than the surface tension of the ink. Printing of multiple layers was accompanied by the appearance of ridges, splattering, and non-vertical walls. The causes of these phenomena are discussed in this paper.
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Jeong, Kyoung-Mo, and Yong-Kyu Lee. "Advanced Technology and Prospect of the Ink-jet Printing (I) - Ink Characteristics and Ink-jet Paper -." Journal of Korea Technical Association of the Pulp and Paper Industry 52, no. 6 (December 31, 2020): 5–16. http://dx.doi.org/10.7584/jktappi.2020.12.52.6.5.
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Jia, Chun Jiang, Guang Xue Chen, Xiao Zhou Li, and Lei Zhao. "Research on the Influence of Ink Surface Tension to the Formation of Ink Droplet." Applied Mechanics and Materials 262 (December 2012): 329–33. http://dx.doi.org/10.4028/www.scientific.net/amm.262.329.
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Ink jet printing, as the key point of digital printing development, has already got some progress as technical be concerned, and also it has been used in industrial producing. But until now, ink jet printing still has some problems to be solved, include satellite droplet, droplet dimension, and spreading of droplet on substrate and so on. These problems involving parameters include dimension and geometry of the print-head, quality and characteristics of the control signal, surface tension of the ink, viscosity of the ink, characteristics of the substrate surface and so on. In this paper we just analysis the influence of ink surface tension to the process from jet to formation of the droplet by establishing mathematical model, but keep other parameters unchanged. At last, we get the relationship between ink surface tension and droplet parameters, so that it can be used as theoretical basement for print-head design and researching of ink.
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Memon, Hafeezullah, Nazakat Ali Khoso, Samiullah Memon, Ning Ning Wang, and Cheng Yan Zhu. "Formulation of Eco-Friendly Inks for Ink-Jet Printing of Polyester and Cotton Blended Fabric." Key Engineering Materials 671 (November 2015): 109–14. http://dx.doi.org/10.4028/www.scientific.net/kem.671.109.
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The aim of this research is to discover such a strategy so that Ink-jet Printing of polyester and cotton blended fabric. This research focuses to develop inks by the combination of Reactive and disperse dyes and by using eco-friendly co-solvents. This paper covers a brief introduction of Ink jet printing technologies and types of inks. A summarized study of the evaluation amid ink jet printing as well as rotary screen printing is also given. In addition to, requirements and composition of water-based ink-jet inks focusing on methodology is given. Furthermore, shelf lives of inks, image sharpness, surface tension, color fastness to rubbing, analysis of head with some personal experiences are also discussed.
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Chen, Hai Sheng, Zhen Cai Qu, and Bao Lin Tang. "Research on Fuzzy Evaluation of Ink-Jet Paper Printability." Applied Mechanics and Materials 121-126 (October 2011): 4090–94. http://dx.doi.org/10.4028/www.scientific.net/amm.121-126.4090.
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Based on the experiment, this paper used principal component analysis and multiple regression analysis to establish a fuzzy evaluation system between the paper performance and print qualities. Five kinds of ink-jet paper with different surface characteristics were chosen in this paper to test their properties including absorbability, gloss, roughness, whiteness etc. During the same printing condition, using the digital proofer of EPSON Stylus Pro7880c, the standard wedge of GATF, solid color lumps and standard lines were printed on these paper samples; dot gain and solid densities were tested by SpectroEye, then contrast-K was calculated, the qualities of lines were analyzed with QEA image Analysis. Finally, paper surface characteristics were analyzed with principal components analysis, and definition of printing was analyzed by QEA Image Analysis, correlation between paper basic performance and the characteristics of printing qualities, such as dot gain, solid density, definition and contrast-K, and an integral evaluation function and a model were established. When evaluating on paper, as long as its surface characteristics were tested, the printability of different paper can be evaluated in a fuzzy and integral way through the calculation of the model and evaluation function. This work offers a certain theoretical reference and practical guidance to the selection of ink-jet paper and the improvement of ink-jet qualities.
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Liao, Wei-Ju, Pradip Kumar Roy, and Surojit Chattopadhyay. "An ink-jet printed, surface enhanced Raman scattering paper for food screening." RSC Adv. 4, no. 76 (2014): 40487–93. http://dx.doi.org/10.1039/c4ra04821k.
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Chen, Yun Zhi, Ting Zhu, and Shu Sun. "Use of SMA Surface Sizing Agent to Improve the Quality of Inkjet Printing." Advanced Materials Research 174 (December 2010): 329–32. http://dx.doi.org/10.4028/www.scientific.net/amr.174.329.
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Compared with conventional surface sizing agents, polymers surface size agents are good film and printing quality. In this work, different types of SMA (Styrene Maleic Anhydride) from the United States Hercules and Sartomer companies were investigated. Firstly, each of SMA sizing agents was studied respectively for choosing the optimized SMA depending on the improvement of physical and ink-jet printing properties, and then the effects of different formulation surface size agents containing the optimum SMA and cationic starch on paper and ink-jet printing properties were also studied in order to analyzing the synergism effects of the two surface size agents. The results show that S520 was better than several other SMA surface sizing agents in the improvement of physical properties and ink-jet printing performance of paper. S520 could produce good film property which could reduce the paper permeability, improve smoothness have less loss whiteness and opacity. It could also enhance the color density, expand the scope of the dark tone and improve dots clarity degree of printed paper.
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Yang, Yong Gang, Fu Ping Liu, and Yang Lu. "Preparing the Coating of Color Ink-Jet Paper and Investigating its Printing Quality." Applied Mechanics and Materials 395-396 (September 2013): 737–40. http://dx.doi.org/10.4028/www.scientific.net/amm.395-396.737.
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In order to know the coating effect and application of color ink-jet paper, the coating formula and printing quality of ink-jet paper were deeply studied. First of all, the coating liquid was prepared by dispersing and mixing the nanometer pigment, the adhesive and the other additives. Then the properties of ink-jet paper were tested and their surface profiles were characterized and evaluated with scanning electron microscope. Finally, the coating paper samples and the base papers were all printed with color ink-jet printer and measured with a spectrodensitometer. The study result showed that it can gain well coating and printing quality when the ratio of SiO2and TiO2is 3:1 and the content of PVA adhesive is 50%, especially paper whiteness is obviously higher than that before the coating.
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Liu, Jing. "The Preparation of Color Ink-Jet Paper Coating and the Investigation of its Printing Quality." Advanced Materials Research 842 (November 2013): 322–25. http://dx.doi.org/10.4028/www.scientific.net/amr.842.322.
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In order to know the coating effect and application of color ink-jet paper, the coating formula and printing quality of ink-jet paper were deeply studied. First of all, the coating liquid was prepared by dispersing and mixing the nanometer pigment, the adhesive and the other additives. Then the properties of ink-jet paper were tested and their surface profiles were characterized and evaluated with scanning electron microscope. Finally, the coating paper samples and the base papers were all printed with color ink-jet printer and measured with a spectrodensitometer. The study result showed that it can gain well coating and printing quality when the ratio of SiO2and TiO2is 3:1 and the content of PVA adhesive is 50%, especially paper whiteness is obviously higher than that before the coating.
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Zhang, Zheng Jian, Ji Hui Xin, Li Ying Yang, and Bo Tao Liu. "Influence of the Coating Layer Characteristics on the Dynamic Permeability and Printing of Ink-Jet Paper." Applied Mechanics and Materials 731 (January 2015): 447–51. http://dx.doi.org/10.4028/www.scientific.net/amm.731.447.
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In order to investigate the influence of coating layer characteristics on the dynamic permeability and printing of ink-jet paper, coating was prepared by the precipitated calcium carbonate (PCC) and white latex used as bottom coating (recipe label:A,B),and coating formula was made by silica (SiO2) and polyvinyl alcohol used as surface coating (recipe label:a,b,c).Then paper were coated respectively on single bottom, single surface and multilayer. Then the dynamic permeability and printing of ink-jet paper were analyzed systematically. The results showed that whether single layer or multilayer, the values of Ct, Ci were minimum when the ration of pigment and adhesive was 70:30, because the hole diameter of the coating layer was smallest, and the absorption was strongest, so the dynamic permeability was best, and the ability of ink absorption was best, color density and tone reproducibility were best. It concluded that when the proportion of SiO2 and PVA was 70:30, the dynamic permeability and printing ability of ink-jet paper were relative better.
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Li, Lu Hai, Yi Fang, Zhi Qing Xin, Xiao Jun Tang, Peng Du, and Wen Zhao. "Features of Printing and Display." Key Engineering Materials 428-429 (January 2010): 372–78. http://dx.doi.org/10.4028/www.scientific.net/kem.428-429.372.
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The manufacture of display device is a complex technology. To reach the flexible display like E-paper, many manufacture process such as driving electrode circuit and transistor must be combined with printing technology. From the information reported, the application of gravure prints technology in organic electronics; off-set printing in EMI film and screen technology in circuit are summarized. The study was more about ink jet print technology. It was described that ink jet was used in OLED (Organic light-emitting diode), OTFT (organic thin film transistor), polymer solar cell/ Flexible organic photovoltaic cell and so on. An OE-A (organic electronics application) roadmap for the charge carrier mobility of semiconductors for organic electronics applications was given. To achieve the printed circuit, the nano silver conductive ink was applied and the ink jet circuit surface was tested by microscopy, the conductive and flexible silver film was with many advantages than screen circuit. It was concluded that the printing electronic will play important roll in the display development.
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Takahashi, Masao, Teiji Sato, and Masahide Ogawa. "Development of amorphous silica for ink jet printing paper." JAPAN TAPPI JOURNAL 42, no. 10 (1988): 923–32. http://dx.doi.org/10.2524/jtappij.42.923.
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Tseng, Chun-Chieh, Chang-Pin Chang, Yuh Sung, Yann-Cheng Chen, and Ming-Der Ger. "A novel method to produce Pd nanoparticle ink for ink-jet printing technology." Colloids and Surfaces A: Physicochemical and Engineering Aspects 339, no. 1-3 (May 2009): 206–10. http://dx.doi.org/10.1016/j.colsurfa.2009.02.026.
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Zhu, Yu Chuan, Yun Zhi Chen, and Zheng Jian Zhang. "Influence of Inkjet Paper Coating Structure on Paper Properties and Print Performance." Applied Mechanics and Materials 262 (December 2012): 269–72. http://dx.doi.org/10.4028/www.scientific.net/amm.262.269.
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The influence of coating layer structure on both physical and printing quality of the paper was studied. Different coating layers were obtained by changing the ratio of polyvinyl alcohol adhesives and silicon dioxide pigments in the coating formula. Then the structure, physical properties and ink-jet printing performance of the coated paper were measured. The influences of coating structure on physical properties and ink-jet printing performance were evaluated. The results showed that as the ratio of adhesive increased, the coating porosity decreased; the average pore diameter increased at first and then decreased, but in general tended to decrease; the initial drop contact angle increased, which testified the stronger hydrophobicity of the coated surface with higher adhesive ratio. The average pore diameter has a negative linear correlation with paper roughness while has a positive linear correlation with air permeability. The larger the average pore diameter, the greater the density values, as well as the better tone reproduction and the larger color gamut range. Average pore diameter also has a weak correlation with dot area and dot roundness.
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KAWANO, Shinichi, Yasuyuki SAITO, Hitoshi TAKEBAYASHI, Aritomo YAMAGUCHI, Hideki SAKAI, and Masahiko ABE. "Surface Chemistry of Ink-absorbing Layer on Paper for Ink Jet Printer." Journal of the Japan Society of Colour Material 75, no. 4 (2002): 162–66. http://dx.doi.org/10.4011/shikizai1937.75.162.
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Gardini, Davide, Michele Dondi, Anna Luisa Costa, Francesco Matteucci, Magda Blosi, Carmen Galassi, Giovanni Baldi, and Elenia Cinotti. "Nano-Sized Ceramic Inks for Drop-on-Demand Ink-Jet Printing in Quadrichromy." Journal of Nanoscience and Nanotechnology 8, no. 4 (April 1, 2008): 1979–88. http://dx.doi.org/10.1166/jnn.2008.048.
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Nano-sized ceramic inks suitable for ink-jet printing have been developed for the four-colours CMYK (cyan, magenta, yellow, black) process. Nano-inks of different pigment composition (Co1–xO, Au0, Ti1–x–ySbxCryO2, CoFe2O4) have been prepared with various solid loadings and their chemico-physical properties (particle size, viscosity, surface tension, ζ-potential) were tailored for the ink-jet application. The pigment particle size is in the 20–80 nm range. All these nano-suspensions are stable for long time (i.e., several months) due to either electrostatic (high ζ-potential values) or steric stabilization mechanisms. Both nanometric size and high stability avoid problems of nozzle clogging from particles agglomeration and settling. Nano-inks have a Newtonian behaviour with relatively low viscosities at room temperature. More concentrated inks fulfil the viscosity requirement of ink-jet applications (i.e., <35 mPa˙s) for printing temperatures in between 30 and 70 °C. Surface tension constraints for ink-jet printing are fulfilled by nano-inks, being in the 35–45 mN˙m–1 range. The nano-sized inks investigated behave satisfactorily in preliminary printing tests on several unfired industrial ceramic tiles, developing saturated colours in a wide range of firing temperatures (1000–1200 °C).
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Cui, Wenjuan, Wensheng Lu, Yakun Zhang, Guanhua Lin, Tianxin Wei, and Long Jiang. "Gold nanoparticle ink suitable for electric-conductive pattern fabrication using in ink-jet printing technology." Colloids and Surfaces A: Physicochemical and Engineering Aspects 358, no. 1-3 (April 2010): 35–41. http://dx.doi.org/10.1016/j.colsurfa.2010.01.023.
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Böhmer, Marcel R., Richard Schroeders, Jan A. M. Steenbakkers, Suzanne H. P. M. de Winter, Paul A. Duineveld, Johan Lub, Wim P. M. Nijssen, Jeroen A. Pikkemaat, and Henk R. Stapert. "Preparation of monodisperse polymer particles and capsules by ink-jet printing." Colloids and Surfaces A: Physicochemical and Engineering Aspects 289, no. 1-3 (October 2006): 96–104. http://dx.doi.org/10.1016/j.colsurfa.2006.04.011.
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Phattanarudee, S., K. Chakvattanatham, and S. Kiatkamjornwong. "Pretreatment of silk fabric surface with amino compounds for ink jet printing." Progress in Organic Coatings 64, no. 4 (March 2009): 405–18. http://dx.doi.org/10.1016/j.porgcoat.2008.08.002.
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