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Journal articles on the topic 'Pressure-sensitive adhesives'

Author: Grafiati

Published: 4 June 2021

Last updated: 29 July 2024

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1

Creton, Costantino. "Pressure-Sensitive Adhesives: An Introductory Course." MRS Bulletin 28, no. 6 (June 2003): 434–39. http://dx.doi.org/10.1557/mrs2003.124.

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AbstractSelf-adhesive materials are called, in the adhesives trade, “pressure-sensitive adhesives” (PSAs). PSAs are designed to stick on almost any surface by simple contact under light pressure. This special class of adhesives does not undergo any physical transformation or chemical reaction during the bonding process. Because of this, the rheological properties of the adhesive must be finely tuned for the application, combining a carefully chosen polymer architecture and monomer composition with the proper addition of small molecules called tackifying resins. PSAs are soft, deformable solids and, depending on the formulation, easily form bridging fibrils between two surfaces upon debonding. They are safe to use and easy to handle and thus are increasingly replacing more conventional types of adhesives. In this article, we review both the primary material characteristics of PSAs and the main physical principles that make them work effectively.

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2

Xu, Chen, and Yong Shen. "Biomass-sourced polymers for pressure-sensitive adhesive applications." E3S Web of Conferences 394 (2023): 01008. http://dx.doi.org/10.1051/e3sconf/202339401008.

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Pressure-sensitive adhesives are self-adhesive chemical products that have gradually supplanted traditional glues in recent years. Most of the commercially available pressure-sensitive adhesives are derived from petrochemical resources. The increasing attention to environmental protection, coupled with the introduction of stringent regulations and rising oil prices, has led to widespread attention being paid to the development of sustainable pressure-sensitive adhesives from biomass sources. This paper summarizes the biomass-sourced pressure-sensitive adhesives and their modification methods that have been reported in recent years as promising alternatives to petrochemical resources.

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3

Crosby, Alfred J., and Kenneth R. Shull. "Adhesive failure analysis of pressure-sensitive adhesives." Journal of Polymer Science Part B: Polymer Physics 37, no. 24 (December 15, 1999): 3455–72. http://dx.doi.org/10.1002/(sici)1099-0488(19991215)37:24<3455::aid-polb7>3.0.co;2-3.

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4

Kuo, Chung-Feng Jeffrey, Wei Lun Lan, Jui-Wen Wang, John-Ber Chen, and Pin-Hua Lin. "Hot-melt pressure-sensitive adhesive for seamless bonding of nylon fabric Part II: Process parameter optimization for seamless bonding of nylon fabric." Textile Research Journal 89, no. 12 (July 31, 2018): 2294–304. http://dx.doi.org/10.1177/0040517518790970.

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This study develops hot melt pressure sensitive adhesives (HMPSAs) for the seamless bonding of nylon fabric, using butyl acrylate as the main monomer material and mixing the functional monomer for polymerization. It is combined with 2-10phr diphenyl (2,4,6-trimethylbenzoyl) phosphine oxide for the photoinitiator and ultraviolet irradiation is used to make a pre-polymer. The effects of butyl acrylate content, type of functional monomer, and 2-10phr diphenyl (2,4,6-trimethylbenzoyl) phosphine oxide content on the molecular weight of acrylate pre-polymer are discussed, following the Taguchi method. The pre-polymer is then mixed with the reactive diluent glycidyl methacrylate blend and with 2-10phr diphenyl (2,4,6-trimethylbenzoyl) phosphine oxide, coated on a release film, irradiated by ultraviolet light, and cured into hot melt pressure sensitive adhesives. The adhesive properties of hot melt pressure sensitive adhesive bonding on nylon include the peel strength, the shear strength, adhesive warpage, adhesive color difference, and adhesive overflow, which are discussed following the Taguchi method and the elimination and choice translating reality method for multi-quality analysis. Hot melt pressure sensitive adhesives are implemented by optimization parameters for practical validation. The results show that the peel strength of hot melt pressure sensitive adhesives is 1.495 kg/cm, the shear strength of hot melt pressure sensitive adhesives is 14.326 kg/cm2, adhesive warpage is 0.93 mm, adhesive color difference is 1.66, and adhesive overflow is 0.97 mm. The performance of HMPSAs in this study is enhanced effective.

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5

Mozelewska, Karolina, and Adrian Krzysztof Antosik. "Influence of Silicone Additives on the Properties of Pressure-Sensitive Adhesives." Materials 15, no. 16 (August 19, 2022): 5713. http://dx.doi.org/10.3390/ma15165713.

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Research was carried out on the influence of various silicone compounds on the properties of pressure-sensitive adhesives. Silicone-based pressure-sensitive adhesives have good self-adhesive properties and are used in many different industries. However, their thermal resistance is relatively low. In order to improve this property, modifications were made to these adhesives. Compositions were tested, such as viscosity or thermogravimetric analysis, as well as tests of finished products in the form of self-adhesive tapes, i.e., peel adhesion, tack, cohesion at room and elevated temperature, SAFT test (Shear Adhesive Failure Temperature), pot-live (viscosity) and shrinkage. During the tests, an increase in thermal resistance (225 °C), lower shrinkage (0.08%), and lower viscosity was achieved (16.5 Pas), which is a positive phenomenon in the technology of pressure-sensitive adhesives. Thanks to this research, the properties of silicone self-adhesive adhesives have been significantly improved.

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6

Czech, Zbigniew, Robert Pełech, Agnieszka Kowalczyk, Arkadiusz Kowalski, and Rafał Wróbel. "Electrically conductive acrylic pressure-sensitive adhesives containing carbon black." Polish Journal of Chemical Technology 13, no. 4 (January 1, 2011): 77–81. http://dx.doi.org/10.2478/v10026-011-0053-2.

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Electrically conductive acrylic pressure-sensitive adhesives containing carbon black Acrylic pressure-sensitive adhesives (PSA) are non electrical conductive materials. The electrical conductivity is incorporated into acrylic self-adhesive polymer after adding electrically conductive additives like carbon black, especially nano carbon black. After an addition of electrical conductive carbon black, the main and typical properties of pressure-sensitive adhesives such as tack, peel adhesion and shear strength, are deteriorated. The investigations reveals that the acrylic pressure-sensitive adhesives basis must be synthesised with ameliorated initial performances, like high tack, excellent adhesion and very good cohesion. Currently, the electrical conductive solvent-borne acrylic PSA containing carbon black are not commercially available on the market. They are promising materials which can be applied for the manufacturing of diverse technical high performance self-adhesive products, such as broadest line of special electrically conductive sensitive tapes.

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7

Antosik, Adrian Krzysztof, Karolina Mozelewska, and Konrad Gziut. "Influence of UV on the self-adhesive properties of silicone pressure-sensitive adhesives." Polimery 68, no. 1 (January 19, 2023): 19–24. http://dx.doi.org/10.14314/polimery.2023.1.3.

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The paper presents the results of research on the UV radiation influence on the self-adhesive properties of silicone adhesives. The adhesives were obtained by cross-linking commercial resins (PSA 590, Q2-7566) at the temperature of 110°C, using different amounts (0–3 wt%) of bis(2,4-dichlorobenzoyl) peroxide. Self-adhesive properties of adhesives such as adhesion, tack, and durability before and after aging were determined. The adhesives showed stable self-adhesive properties, however, the PSA 590 adhesive had a higher maximum operating temperature than the Q2-7566 adhesive.

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8

Mobley, L. W. "Pressure Sensitive Polyurethane Adhesives." Journal of Cellular Plastics 27, no. 1 (January 1991): 47–48. http://dx.doi.org/10.1177/0021955x9102700155.

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9

Comyn, John. "Pressure-sensitive adhesives technology." International Journal of Adhesion and Adhesives 17, no. 4 (November 1997): 382. http://dx.doi.org/10.1016/s0143-7496(97)00034-1.

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10

Antosik, Adrian Krzysztof, Artur Grajczyk, Marzena Półka, Magdalena Zdanowicz, John Halpin, and Marcin Bartkowiak. "Influence of Talc on the Properties of Silicone Pressure-Sensitive Adhesives." Materials 17, no. 3 (February 1, 2024): 708. http://dx.doi.org/10.3390/ma17030708.

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The article describes new silicone self-adhesive adhesives modified with the addition of talc. The obtained self-adhesive materials were characterized to determine their adhesive properties (adhesion, cohesion, and adhesion) and functional properties (pot life of the composition, shrinkage, and thermal properties of adhesives). Novel materials exhibited high thermal resistance above 225 °C while maintaining or slightly reducing other values (adhesion, cohesion, shrinkage, and tack). Selected composition: T 0.1 was used to prepare self-adhesives in industrial-scale production. Moreover, conducted test results revealed that the addition of talc delayed the thermal decomposition of the adhesive and provided reduced intensity of smoke emissions during combustion as well as the flammability of the adhesive layer.

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11

Lamanna, Giuseppe, and Alessandro Basile. "Mechanics of Soft PSAs (Pressure Sensitive Adhesives)." Open Materials Science Journal 7, no. 1 (October 18, 2013): 23–28. http://dx.doi.org/10.2174/1874088x01307010023.

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The adhesive performances of a PSA (Pressure Sensitive Adhesive) are attributed to their viscoelastic properties. In this paper we analyze the viscoelastic behavior of different PSAs having substantially similar adhesive performance. Linear and non linear analyses were performed using small amplitude oscillatory shear tests and tensile stress-strain tests, respectively. It is shown that linear viscoelastic tests are useful to qualitatively characterize the adhesive performances. However, deeper knowledge can be achieved by non linear viscoelastic tests. The true stress - true strain curves are modeled by using a theory accounting for the interpenetration of micro-network and the linear polymer. It is shown that the same substantial in-service properties can be achieved with adhesives showing different fingerprints in terms of viscoelastic spectra.

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12

Czech, Zbigniew, and Agnieszka Butwin. "UV-crosslinkable warm-melt pressure-sensitive adhesives based on acrylics." Polish Journal of Chemical Technology 12, no. 4 (January 1, 2010): 58–61. http://dx.doi.org/10.2478/v10026-010-0051-9.

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UV-crosslinkable warm-melt pressure-sensitive adhesives based on acrylics The target of this article is to show the preparation of new generation of UV-crosslinkable warm-melt acrylic pressure-sensitive adhesives (PSAs) and the experimental test of their adhesive properties in comparison with typical conventional hot-melts adhesives. New generation of UV-crosslinkable acrylic warm-melts PSAs containing unsaturated photoinitiator, incorporated during polymerization process into polymer chain, and photoreactive diluents added to PSA systems after polymerization allows producing of wide range of self-adhesive materials, such as labels, mounting tapes, masking and splicing tapes, and sign and marking films.

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13

Drzal, Peter L., and Kenneth R. Shull. "Adhesive Failure of Model Acrylic Pressure Sensitive Adhesives." Journal of Adhesion 81, no. 3-4 (March 2005): 397–415. http://dx.doi.org/10.1080/00218460590944800.

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14

Patil, Onkar B., Swarupa N. Shirke, Arehalli S. Manjappa, Popat S. Kumbhar, and John I. Disouza. "Pressure sensitive adhesives in transdermal drug delivery system." Chemical and Environmental Science Archives 02, no. 03 (2022): 17–21. http://dx.doi.org/10.47587/cesa.2022.2301.

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Transdermal drug delivery systems (TDDS) are used to transfer medicines into the systemic circulation through the skin. (Trans)dermal patches are well-known pharmacological formulations that are applied to the skin’s surface for a variety of reasons, ranging from treating cutaneous diseases to achieving a systemic impact. Transdermal drug delivery (TDD) devices rely heavily on adhesives. In addition to the normal functional adhesive qualities, adhesives for TDD applications must be biocompatible with the skin, chemically compatible with the medication, and enable consistent, efficient drug administration. One of the most important components of a TDDS is the pressure-sensitive adhesive (PSA). PSA’s primary role is to aid patch adherence to the skin, but it also serves as a matrix for the medication and other excipients. As a result, PSA impacts other important quality aspects of the TDDS, such as drug distribution, flux through skin, and physical and chemical stability of the completed product, in addition to patch adherence. This article addresses transdermal drug delivery systems, their benefits and drawbacks, and their uses in pharmaceuticals, as well as providing detailed information on pressure sensitive adhesives.

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15

Czech, Zbigniew, and Agnieszka Butwin. "Butyl acrylate/4-acryloyloxy benzophenone copolymers as photoreactive UV-crosslinkable pressure-sensitive adhesives." Polish Journal of Chemical Technology 11, no. 3 (January 1, 2009): 1–4. http://dx.doi.org/10.2478/v10026-009-0027-9.

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Butyl acrylate/4-acryloyloxy benzophenone copolymers as photoreactive UV-crosslinkable pressure-sensitive adhesives It has previously been shown that copolymers of butyl acrylate with 4-acryloyloxy benzophenone can be used as pressure-sensitive adhesives (PSAs). This paper presents the synthesis and application of a solvent-borne polymer system for the preparation of photoreactive UV-crosslinkable acrylic pressure-sensitive adhesives. Butyl acrylate/benzophenone copolymers with molecular mass in the range 180 000 to 480 000 Dalton were prepared by carrying out free-radical solution polymerization. These copolymers were found to be tacky but in some cases to possess insufficient cohesive strength after UV-crosslinking to be useful as PSAs. The other copolymers resulted in materials with the balance of cohesive and adhesive characteristics required of good PSAs. Some of the parameters affecting the pressure-sensitive adhesive properties of the copolymers are the concentration of 4-acryloyloxy benzophenone, the molecular mass of the polymeric components, the UV-reactivity, and properties such as tack, peel adhesion, and cohesion.

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16

Droesbeke, Martijn A., Resat Aksakal, Alexandre Simula, José M. Asua, and Filip E. Du Prez. "Biobased acrylic pressure-sensitive adhesives." Progress in Polymer Science 117 (June 2021): 101396. http://dx.doi.org/10.1016/j.progpolymsci.2021.101396.

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17

Yoshikawa, Takao. "Pressure Sensitive Adhesives in Electronics." Journal of the Society of Mechanical Engineers 101, no. 952 (1998): 172–73. http://dx.doi.org/10.1299/jsmemag.101.952_172.

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18

URAHAMA, Yoshiaki. "High-Performance Pressure-Sensitive Adhesives." Kobunshi 54, no. 6 (2005): 406–9. http://dx.doi.org/10.1295/kobunshi.54.406.

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19

Ito, Hiroto, Satoshi Yanai, Sumihisa Oda, Akihiro Tagaya, and Yasuhiro Koike. "Zero-birefringence pressure-sensitive adhesives." AIP Advances 2, no. 2 (June 2012): 022142. http://dx.doi.org/10.1063/1.4727740.

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20

Salvadó, N. Vallespí i., V. V. Shah, and D. A. Werkema. "Surfactants in pressure sensitive adhesives." Surface Coatings International 82, no. 4 (April 1999): 181–85. http://dx.doi.org/10.1007/bf02720115.

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21

Dar, Yadunandan L., Wendy Yuan-Huffman, Smita Shah, Donna Huang, and Allison Xiao. "Thermally activated pressure-sensitive adhesives." Journal of Adhesion Science and Technology 21, no. 16 (January 2007): 1645–58. http://dx.doi.org/10.1163/156856107782793186.

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22

Andrews, E. H., T. A. Khan, P. Drew, and R. Rance. "Design of pressure-sensitive adhesives." Journal of Applied Polymer Science 41, no. 34 (1990): 595–611. http://dx.doi.org/10.1002/app.1990.070410311.

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23

Czech, Zbigniew, Agnieszka Kowalczyk, Joanna Ortyl, and Jolanta Świderska. "Acrylic Pressure-Sensitive Adhesives Containing SiO2 Nanoparticles." Polish Journal of Chemical Technology 15, no. 1 (March 1, 2013): 12–14. http://dx.doi.org/10.2478/pjct-2013-0003.

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The use of acrylic pressure-sensitive adhesives (PSAs) is increasing in a variety of industrial fields. They have been applied in the manufacture of mounting tapes, self-adhesive labels, protective films, masking tapes, splicing tapes, carrier-free tapes, sign and marking films, and in diverse medical products, such as pads or self-adhesive bioelectrodes. In this study, the application of SiO2 nanoparticles in acrylic PSA was investigated. The properties of the newly synthesized and modified PSA were evaluated via the tack, peel adhesion, shear-strength and shrinkage. It has been found that the nanotechnologically-reinforced systems consisting of monodisperse non-agglomerated SiO2 nanoparticles and self-crosslinked acrylic PSAs showed a great enhancement in tack, peel adhesion, shear resistance and shrinkage, without showing the disadvantages known to result from the use of other inorganic additives. In this paper we evaluate the performance of SiO2 nanoparticles with a size of about 30 nm as inorganic filler into the synthesized solvent-borne acrylic PSA.

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24

Antosik, Adrian Krzysztof, and Nataniel Adrian Antosik. "Effect of the addition of selected silicon fillers on Si- PSA shrinkage." Journal of Analytical & Pharmaceutical Research 10, no. 4 (August 25, 2021): 157–59. http://dx.doi.org/10.15406/japlr.2021.10.00380.

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The concept of shrinkage phenomenon is widely described in the available literature. With respect to pressure-sensitive adhesives (PSA) in general, the definition of shrinkage is understood to be "less than its original size" and is closely related to the crosslinking process and the effect of the crosslinker on the test adhesive. Shrinkage alongside adhesive properties (adhesion, tackiness) and mechanical (cohesion) is one of the most important characteristics of a self-adhesive adhesive. It is very important in terms of production when receiving, for example, decorative banners or self-adhesive films where crosslinked adhesive and thus shrinkage can affect the surface of the adhesive material and create deformations. In the case of PSA, the acceptable adhesive pressure shrinkage must not exceed 0.5 %. Contraction is an important criterion for assessing the aging resistance of PSA materials. There are no studies on the shrinkage of silicone pressure-sensitive adhesives in literature, but many references to carbon-based adhesives have been reported.

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25

Prachasilchai, Worapat, Sittiporn Punyanitya, Rungsarit Koonawoot, Anucha Ruksanti, Phanlob Chankachang, and Sakdiphon Thiansem. "Novel Pressure-Sensitive Adhesive Made from Glutinous Rice Flour." Key Engineering Materials 862 (September 2020): 120–24. http://dx.doi.org/10.4028/www.scientific.net/kem.862.120.

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Successfully pressure-sensitive adhesives have been used by many industrial tape and label applications.This tape widely used in daily life of adhesive bandage. In this work, the novel the adhesive is fabricated from glutinous rice flour, gelatin, polyvinyl alcohol, borax, methyl paraben and glycerol. Characteristics of adhesive were then investigated by scanning electron microscopy (SEM), and swelling ratios. Mechanical characterization and tissue adhesive bonding test of the final product were also performed.

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26

Antosik, Adrian Krzysztof, Edyta Kucharska, and Karolina Mozelewska. "Study of Applying Naturally Occurring Mineral Materials for Silicone Pressure-Sensitive Adhesives." Materials 16, no. 5 (March 3, 2023): 2092. http://dx.doi.org/10.3390/ma16052092.

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Silicones are commonly used as adhesives when high-quality materials are required due to harsh environmental conditions such as high temperature, humidity, etc. To ensure high resistance to environmental conditions, including high temperatures, modifications of silicone adhesives are made using fillers. The characteristics of a modified silicone-based pressure-sensitive adhesive with filler are the focus of this work. Functionalized palygorskite was prepared in this investigation by grafting 3-mercaptopropyltrimethoxysilane (MPTMS) onto palygorskite (palygorskite-MPTMS). The palygorskite was functionalized using MPTMS under dried conditions. FTIR/ATR spectroscopy, thermogravimetric analysis, and elemental analysis were all used to characterize the obtained palygorskite-MPTMS. MPTMS loading onto palygorskite was also proposed. The results demonstrated that palygorskite’s initial calcination favors the grafting of functional groups on its surface. New self-adhesive tapes based on palygorskite-modified silicone resins have been obtained. This functionalized filler allows for the improvement of the compatibility of palygorskite with specific resins for application in heat-resistant silicone pressure-sensitive adhesives. The new self-adhesive materials showed increased thermal resistance while maintaining good self-adhesive properties.

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27

Zhao, Hui, Ying Xu, Zhen Luo, Cui-Ran Gong, Yang-Qing Zheng, and Li-Ming Yu. "Rational Design of Waterborne Polyurethane Pressure Sensitive Adhesives for Different Working Temperatures." Materials 15, no. 6 (March 8, 2022): 2011. http://dx.doi.org/10.3390/ma15062011.

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The appropriate pressure sensitive adhesion performances at working temperature are vital for the applications of waterborne polyurethane (WPU). Understanding the relationship among rheological behaviors, macromolecular structures and adhesive performances can be very useful to the rational design of waterborne polyurethane pressure sensitive adhesives (WPU-PSAs) for different operating temperatures, as well as other kinds of adhesives. In this study, four kinds of WPU-PSAs were prepared by reacting polypropylene glycol (PPG), hydrogenated hydroxyl-terminated polybutadiene (HHTPB), dimethyl alcohol propionic acid (DMPA), 1,6-hexamethylene diisocyanate (HDI) and four kinds of chain extenders. Gel permeation chromatography (GPC), swelling and rheology tests were used in parallel with an analysis of adhesive performances of the dried films of the adhesives. Results showed that, in addition to the nature of chain extenders playing a role on the rheological behaviors and adhesive performances of polymer, the gel content could be used to adjust the macromolecular structure and molecular weight distribution of polymer, thus distinctly affected the adhesive performances of PSA. The relationship among rheological behaviors, macromolecular structure and adhesive performances was investigated, and the rational design of WPU was achieved with appropriate pressure sensitive adhesion properties for different working temperatures of 25 and 60 °C.

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28

Cui, Yan Yan, and Guang Xue Chen. "Preparation of High-Solids UV-Curable Actylate Pressure-Sensitive Adhesive with Low Viscosity for Printed Electronics." Applied Mechanics and Materials 644-650 (September 2014): 4936–40. http://dx.doi.org/10.4028/www.scientific.net/amm.644-650.4936.

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If the pressure sensitive adhesive is coated on the back, it can be used for bonding electronic tag, overburden, protective layer, and RFID layer. The acrylate pressure sensitive adhesives are simple and less pollution, so more and more companies pay attention on this kind of binder. Since the thickness of adhesive layer is relatively small, ink-jet printing is now widely used to easily obtain thin layer and design the pressure sensitive adhesive shape of different parts. So how to get superior performance pressure sensitive adhesive which is suitable for ink-jet printing become an urgent problem in printed electronics. The experiment was conducted through solution copolymerization of various vinyl monomers which were selected on the principle of solvent parameter prepared by free radical polymerization. The monomer, initiator mixture solution was dropped in continuous and synchronization process. By regulating the amount of initiator and polymerization temperature, we could effectively reduce the system viscosity and prepare high quality high-solids acrylate UV-curable pressure sensitive adhesives with low viscosity for ink-jet printing. The influence of initiator, solvents, transfer reagents and temperature on the structure and properties of the resin were discussed.

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Antosik, Adrian Krzysztof, Marlena Musik, Piotr Miądlicki, Mateusz Weisbrodt, and Katarzyna Wilpiszewska. "Influence of Acid-Modified Clinoptilolite on the Self-Adhesive Properties of Silicone Pressure-Sensitive Adhesives." Polymers 15, no. 3 (January 31, 2023): 707. http://dx.doi.org/10.3390/polym15030707.

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The preparation of a new “eternally alive adhesive” based on silicone pressure-sensitive adhesives with clinoptilolite is presented. Neat and acid-modified (i.e., treated with sulfuric acid (VI)) clinoptilolite was used. The effect of clinoptilolite acid treatment on the adhesive properties of pressure-sensitive adhesive tapes was tested. The obtained tapes exhibited increased thermal resistance when compared to the reference tapes. Despite introducing the filler, the pressure-sensitive adhesive tapes maintained good functional properties. The new self-adhesive materials show promising implementation potential where increased thermal resistance is required.

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30

Milker, Roland, Zbigniew Czech, and Marta Wesołowska. "Synthesis of photoreactive solvent-free acrylic pressure-sensitive adhesives in the recovered system." Polish Journal of Chemical Technology 9, no. 2 (January 1, 2007): 5–9. http://dx.doi.org/10.2478/v10026-007-0014-y.

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Synthesis of photoreactive solvent-free acrylic pressure-sensitive adhesives in the recovered system The present paper discloses a novel photoreactive solvent-free acrylic pressure-sensitive adhesive (PSA) systems, especially suitable for the so much adhesive film applications as the double-sided, single-sided or carrier-free technical tapes, self-adhesive labels, protective films, marking and sign films and wide range of medical products. The novel photoreactive solvent-free pressure-sensitive adhesives contain no volatile organic compounds (residue monomers or organic solvent) and comply with the environment and legislation. The synthesis of this new type of acrylic PSA is conducted in common practice by solvent polymerisation. After the organic solvent are removed, there remains a non-volatile, solvent-free highly viscous material, which can be processed on a hot-melt coating machine at the temperatures of about 100 to 140°C.

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31

Antosik, Adrian Krzysztof, and Karolina Mozelewska. "Influence of Nanoclay on the Thermo-Mechanical Properties of Silicone Pressure-Sensitive Adhesives." Materials 15, no. 21 (October 24, 2022): 7460. http://dx.doi.org/10.3390/ma15217460.

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This research was carried on newly obtained innovative materials—self-adhesive one-sided tapes based on silicone pressure-sensitive adhesives. In order to obtain tapes, the stable adhesive composition was subjected to physical modification by incorporating into it various amounts of selected silicon fillers. The produced pressure-sensitive adhesives were tested for viscosity and thermogravimetric analysis, as well as the manufactured tapes; i.e., peel adhesion, tack, cohesion at room and elevated temperature, SAFT test (shear adhesive failure temperature), and shrinkage. The prepared self-adhesive tapes retained their self-adhesive properties at a level close to the initial level while increasing the thermal resistance by 70–75 °C, reaching the level of 220–225 °C. The new self-adhesive materials have application potential and can be used as a material for special applications in the field of electrical engineering and heavy industry.

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32

Kajtna, J., and M. Krajnc. "UV crosslinkable microsphere pressure sensitive adhesives—influence on adhesive properties." International Journal of Adhesion and Adhesives 31, no. 1 (January 2011): 29–35. http://dx.doi.org/10.1016/j.ijadhadh.2010.09.004.

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33

Maassen, Wiebke, Michael A. R. Meier, and Norbert Willenbacher. "Unique adhesive properties of pressure sensitive adhesives from plant oils." International Journal of Adhesion and Adhesives 64 (January 2016): 65–71. http://dx.doi.org/10.1016/j.ijadhadh.2015.10.004.

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34

MILKER, ROLAND, and ZBIGNIEW CZECH. "Acrylic pressure-sensitive adhesives containing solvents." Polimery 35, no. 09 (September 1990): 326–30. http://dx.doi.org/10.14314/polimery.1990.326.

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35

Chang, E. P. "Viscoelastic Windows of Pressure-Sensitive Adhesives." Journal of Adhesion 34, no. 1-4 (June 1991): 189–200. http://dx.doi.org/10.1080/00218469108026513.

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36

Chang, E. P. "Viscoelastic Properties of Pressure-Sensitive Adhesives." Journal of Adhesion 60, no. 1-4 (January 1997): 233–48. http://dx.doi.org/10.1080/00218469708014421.

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37

Chang, E. P., and Daniel Holguin. "Curable Optically Clear Pressure-Sensitive Adhesives." Journal of Adhesion 81, no. 5 (May 2005): 495–508. http://dx.doi.org/10.1080/00218460590944945.

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Boval’dinova, K. A., N. E. Sherstneva, M. M. Fel’dshtein, A. P. Moskalets, and A. R. Khokhlov. "Pressure-Sensitive Adhesives with Tunable Tackiness." Polymer Science, Series B 61, no. 4 (July 2019): 458–70. http://dx.doi.org/10.1134/s1560090419040018.

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Antosik, Adrian K., Paulina Bednarczyk, and Zbigniew Czech. "Aging of silicone pressure-sensitive adhesives." Polymer Bulletin 75, no. 3 (June 5, 2017): 1141–47. http://dx.doi.org/10.1007/s00289-017-2083-2.

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40

Brockmann, W., and R. Hüther. "Adhesion mechanisms of pressure sensitive adhesives." International Journal of Adhesion and Adhesives 16, no. 2 (May 1996): 81–86. http://dx.doi.org/10.1016/0143-7496(96)89797-1.

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41

Tordjeman, P., E. Papon, and J.-J. Villenave. "Tack properties of pressure-sensitive adhesives." Journal of Polymer Science Part B: Polymer Physics 38, no. 9 (May 1, 2000): 1201–8. http://dx.doi.org/10.1002/(sici)1099-0488(20000501)38:9<1201::aid-polb12>3.0.co;2-#.

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42

Grunlan, Jaime C., Daniel L. Holguin, Hsiao-Ken Chuang, Isidro Perez, Aaron Chavira, Ryan Quilatan, Jay Akhave, and Ali R. Mehrabi. "Combinatorial Development of Pressure-Sensitive Adhesives." Macromolecular Rapid Communications 25, no. 1 (January 2004): 286–91. http://dx.doi.org/10.1002/marc.200300176.

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Czech, Zbigniew, and Agnieszka Butwin. "Development of photoreactive UV-crosslinkable solvent-free acrylic pressure-sensitive adhesives coated at room temperature and used for removable and repositionable self-adhesive materials." Polish Journal of Chemical Technology 13, no. 1 (January 1, 2011): 31–34. http://dx.doi.org/10.2478/v10026-011-0006-9.

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Development of photoreactive UV-crosslinkable solvent-free acrylic pressure-sensitive adhesives coated at room temperature and used for removable and repositionable self-adhesive materialsThe goal of this article is to review the development of photoreactive UV-crosslinkable acrylic pressure-sensitive adhesives (PSAs) characterized by low viscosity, which can be coated at room temperature in the form of adhesive layers and are characterized by removable properties after UV-crosslinking. Surfactants and stearic acid have been used to improve the performance of the acrylic PSA, too. They are used for the manufacturing of removable and repositionable self-adhesive products, such as easy peel-able decorative films and wide range version of post-it articles.

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Czech, Zbigniew, Agnieszka Kowalczyk, Karolina Górka, Urszula Głuch, Lu Shao, and Jolanta Świderska. "Influence of the unsaturated photoinitiators kind on the properties of uv-crosslinkable acrylic pressure-sensitive adhesives." Polish Journal of Chemical Technology 14, no. 3 (October 1, 2012): 83–87. http://dx.doi.org/10.2478/v10026-012-0089-y.

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UV-crossinkable pressure-sensitive adhesives (PSA) materials are called, in the adhesives trade photoreactive self-adhesive. UV-crosslinkable PSAs are designed after the UV-initiated crosslinking reaction to stick to almost any surface by a simple contact under light pressure. This special class of adhesives does not undergo any physical transformation or chemical reaction during the bonding process. Because of the rheological properties the adhesive must be fi nely tuned for the application, combining a carefully chosen polymer architecture and monomer composition with the proper addition of small additives called photoinitiators. The best way is using the unsaturated copolymerizable photoinitiators and their direct incorporation into polymer chain during the polymerization process. Progress in the coating technology and the development of novel photoreactive acrylic adhesives will open the door to new applications and an extended market penetration of UV-crosslinkable acrylic adhesive raw materials containing unsaturated copolymerizable photoinitiators incorporated into the polymer backbone. Photoreactive UV-crosslinkable acrylic PSA are characterized by good tack, good adhesion, excellent cohesion and very low shrinkage.

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Mizutani, Kota, Chizuru Hongo, Takuya Matsumoto, and Takashi Nishino. "Acrylic pressure-sensitive adhesives with nanodiamonds and acid-base dependence of the pressure-sensitive adhesive properties." Journal of Applied Polymer Science 135, no. 23 (February 22, 2018): 46349. http://dx.doi.org/10.1002/app.46349.

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Weisbrodt, Mateusz, and Agnieszka Kowalczyk. "Removable Pressure-Sensitive Adhesives Based on Acrylic Telomer Syrups." Processes 11, no. 3 (March 15, 2023): 885. http://dx.doi.org/10.3390/pr11030885.

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Removable pressure-sensitive adhesives (PSAs) are used in the production of self-adhesive materials such as protective films, masking tapes or biomedical electrodes. This work presents a new and environmentally friendly method of obtaining this type of adhesive materials, i.e., photochemically induced free radical telomerization. Adhesive binders to removable PSAs, i.e., the photoreactive acrylic telomer syrups (ATS) were prepared from n-butyl acrylate, acrylic acid, and 4-acrylooxybenzophenone. Tetrabromomethane (CBr4) or bromotrichloromethane (CBrCl3) were used as the telogens. ATS was modified with unsaturated polybutadiene resin and a radical photoinitiator. Adhesive compositions were coated onto a carrier and UV cross-linked. The effects of the chemical nature of telomers (i.e., terminal Br or Cl atoms) and their molecular weight (K-value), as well as the cross-linking degree on adhesive properties of PSAs, were studied. It was found that with the increase in telogen content in the system, the dynamic viscosity of ATS and K-value of acrylic telomers decrease, and the conversion of monomers increases. CBr4 turned out to be a more effective chain transfer agent than CBrCl3. Moreover, telomers with terminal Br-atoms (7.5 mmol of CBr4), due to slightly lower molecular weights and viscosity, showed a higher photocrosslinking ability (which was confirmed by high cohesion results at 20 and 70 °C, i.e., >72 h). Generally, higher values of the temperature at which adhesive failure occurred were noted for PSAs based on ATS with lower telogen content (7.5 mmol), both CBr4 and CBrCl3. The excellent result for removable PSA was obtained in the case of telomer syrup Br-7.5 crosslinked with a 5 J/cm2 dose of UV-radiation (adhesion ca.1.3 N/25 mm, and cohesion > 72 h).

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Murray, C. T., R. L. Rudman, M. B. Sabade, and A. V. Pocius. "Conductive Adhesives for Electronic Assemblies." MRS Bulletin 28, no. 6 (June 2003): 449–54. http://dx.doi.org/10.1557/mrs2003.127.

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AbstractA number of different types of adhesives are used in the assembly of electronic components and devices. This article provides an overview of such adhesives that also have another job–they work at conducting electricity or heat. The resins or binders in these adhesives range from thermosetting to pressure-sensitive. Conductivity is obtained by the judicious choice of filler. For electrically conducting adhesives, the fillers range from silver flake to silver-coated fibers. For thermally conducting adhesives, the fillers range from aluminum oxide to boron nitride. We also discuss a specific type of electrically conducting adhesive–the z-axis film adhesive. In these adhesives, particles are oriented in such a fashion that allows conduction in the direction perpendicular to the adhesive, but not in the plane of the adhesive.

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Czech, Zbigniew, Janina Kabatc, Marcin Bartkowiak, Adam Licbarski, Karolina Mozelewska, and Dominika Kwiatkowska. "Novel Photoreactive Pressure-Sensitive Adhesives (PSA) Based on Acrylics Containing Additionable Photoinitiators." Materials 13, no. 22 (November 16, 2020): 5151. http://dx.doi.org/10.3390/ma13225151.

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A new class of additionable ultraviolet photoinitiators that can be used, through addition, for modification of the acrylic polymer chain and their influence of main properties of acrylic pressure-sensitive adhesives (PSAs) is described here. The photoinitiators studied are based on benzophenone, dibenzofuran and anthraquinone chromophores. The propyleneimine carbonyl is the reactive additionable group incorporated in the photoinitiator structure. First, the solvent-borne acrylic pressure-sensitive adhesive was synthesized and characterized. Then, a photoinitiator suitable for addition to the acrylic polymer chain possessing a carboxyl group was added before UV-irradiation. A mechanism of UV-initiated cross-linking reaction of acrylic PSA with additionable photoinitiators was done as well. The influence of the concentration and type of photoinitiator, UV-crosslinking time and UV-dose on peel adhesion, shear strength and tack of solvent-borne acrylic pressure-sensitive adhesives cross-linked by UV light was studied and presented here. It was found that the tack depends on the UV-dose and photoinitiator concentration. An increase of UV dose results in an increase of shear strength of acrylic pressure-sensitive adhesive (PSA) formulations.

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Monroy, Yuliana, Sandra Rivero, and María Alejandra García. "Liquid and Pressure-Sensitive Adhesives Based on Cassava Starch and Gelatin Capsule Residue: Green Alternatives for the Packaging Industry." Foods 12, no. 21 (October 31, 2023): 3982. http://dx.doi.org/10.3390/foods12213982.

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Natural polymer-based adhesives are green alternatives, necessary to reduce the problems impacted by synthetic adhesives. Starch and gelatin have extraordinary potential for the synthesis of biobased adhesives. Citric acid (CA), a natural acid, induces the crosslinking and hydrolyzing of both gelatin and starch. In this sense, this work deals with the use of gelatin capsule residues as a promising material to produce biobased adhesives in combination with cassava starch in the presence of different CA concentrations characterizing their mechanical, physicochemical and microstructural properties. Depending on CA concentration, formulations adjusted to different applications can be obtained such as liquid and pressure-sensitive adhesive films. The inclusion of CA allows us not only to improve the applicability of the system since it modifies the flowability of the adhesives as evidenced by the observed changes in the viscosity (from 158.3 to 90.3 for formulations with 20 and 80% CA, respectively). In addition, mechanical profiles showed that the inclusion of CA increased the adhesive bond strength (from 2230.7 to 2638.7 for formulations with 20 and 80% CA, respectively). Structural modifications induced by CA in adhesive formulations were highlighted by ATR-FTIR analysis.

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Márquez, Irene, Núria Paredes, Felipe Alarcia, and José Ignacio Velasco. "Adhesive Performance of Acrylic Pressure-Sensitive Adhesives from Different Preparation Processes." Polymers 13, no. 16 (August 7, 2021): 2627. http://dx.doi.org/10.3390/polym13162627.

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A series of pressure-sensitive adhesives (PSAs) was prepared using a constant monomeric composition and different preparation processes to investigate the best combination to obtain the best balance between peel resistance, tack, and shear resistance. The monomeric composition was a 1:1 combination of two different water-based acrylic polymers—one with a high shear resistance (A) and the other with a high peel resistance and tack (B). Two different strategies were applied to prepare the adhesives: physical blending of polymers A and B and in situ emulsion polymerization of A + B, either in one or two steps; in this last case, by polymerizing A or B first. To characterize the polymer, the average particle size and viscosity were analyzed. The glass transition temperature (Tg) was determined by differential scanning calorimetry (DSC). The tetrahydrofuran (THF) insoluble polymer fraction was used to calculate the gel content, and the soluble part was used to determine the average sol molecular weight by means of gel permeation chromatography (GPC). The adhesive performance was assessed by measuring tack as well as peel and shear resistance. The mechanical properties were obtained by calculating the shear modulus and determination of maximum stress and the deformation energy. Moreover, an adhesive performance index (API) was designed to determine which samples are closest to the requirements demanded by the self-adhesive label market.

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