Relevant bibliographies by topics / Acrylic adhesives

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Acrylic adhesives'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Acrylic adhesives"

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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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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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Cheng, Rui Xiang, Ying Li, Qing Wen Wang, and Zhong Qiu Li. "The Bonding Properties of PVC Wood-Plastic Composite Materials Glued with Two Kinds of Adhesive." Advanced Materials Research 113-116 (June 2010): 1935–39. http://dx.doi.org/10.4028/www.scientific.net/amr.113-116.1935.

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This paper aimed to confirm which adhesive is more suitable to glue the PVC wood-plastic composite materials between epoxy adhesive and J-39 acrylic ester adhesive. This paper tested compression shear strength and aging properties of PVC wood-plastic composite materials glued with these two adhesives. The results show that compression shear strength of PVC wood-plastic composite materials glued with epoxy adhesive is higher than with J-39 acrylic adhesives. Meanwhile, the setting time of two adhesives has effect on compression shearing strength. The results of aging properties after boiled and UV light treatment show that bonding properties of PVC wood-plastic composite materials glued with two adhesive were both degraded after aging，but bonding properties glued with epoxy adhesive was better than acrylic ester adhesive.
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Seok, Woong Cheol, Jong Tae Leem, Ju Hui Kang, Young Jun Kim, Sangkug Lee, and Ho Jun Song. "Change of Characterization and Film Morphology Based on Acrylic Pressure Sensitive Adhesives by Hydrophilic Derivative Ratio." Polymers 12, no. 7 (July 7, 2020): 1504. http://dx.doi.org/10.3390/polym12071504.

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Hydrophilic acrylic pressure-sensitive adhesives (PSAs) were synthesized by controlling the contents of 2-ethylhexyl acrylate (EHA), isobornyl acrylate (IBOA), and 2-hydroxyethyl acrylate (HEA); especially, the characteristic change of the HEA content was analyzed. Surface contact angle of acrylic PSA film decreased from 77.87° to 70.23° in the case of Acryl-2 to Acryl-8 (below HEA 10 wt %). However, the surface contact angle of Acryl-10 to Acryl-40 (HEA 10 wt % to 40 wt %) increased up to 92.29°, indicating hydrophobicity. All acrylic PSA films showed high adhesive force above 1800 gf/25 mm. According to X-ray diffraction (XRD) measurement, hydrophilic acrylic PSAs exhibited amorphous property and it was confirmed that the morphology of acrylic PSA film was significantly affected by the flexibility of the polymer chain and the strength of hydrogen bonding. The affinity with hydrophilic materials for acrylic PSA films was evaluated by T-type peel test, confirming that the affinity with hydrophilic materials is determined by the hydrophilicity of the acrylic PSA film. The synthesized acrylic PSA film is non-toxic regardless of the hydrophilicity.
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Sineokov, A. P., Z. S. Khamidulova, and D. A. Aronovich. "Structural Acrylic Adhesives." International Polymer Science and Technology 34, no. 3 (March 2007): 57–61. http://dx.doi.org/10.1177/0307174x0703400312.

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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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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, 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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Wang, Ju Wei. "Fiberboard with PVC Coated Plastic Research." Advanced Materials Research 803 (September 2013): 205–8. http://dx.doi.org/10.4028/www.scientific.net/amr.803.205.

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PVC film facing material has the real wood grain feeling, high wear resistance strength, soft gloss and widely used in wooden furniture surface decoration [. But PVC film and plank have low degree of adhesive; water will open in bubble shortcomings. And butyl acrylic, vinyl acetate copolymer emulsion and have good adhesive sex and peel strength, and it has better cohesion[.This article describes the modified acrylic adhesive vinyl acetate synthesis methods and performance characteristics that affect the performance of some of the major factors, namely raw material ratio, the amount of initiator, polymerization temperature, add water, put forward various factors on product performance cause and effect, and how to improve product performance were discussed. Analysis of the response characteristics of acrylic ester, acrylic acid ester described the main components of raw materials and application of several adhesive, tells today of Propylene. Ester adhesive research trends and research progress. In addition to the acryl ate modified vinyl acetate adhesive preparation and distribution of each group than to its solid content, initial viscosity, viscosity can be held, 180-degree peel strength of the main physical properties[. With the change in the distribution ratio of each group, the physical properties of its corresponding change took place, after joining EHA modified acrylic adhesive vinyl acetate also increased the initial viscosity. With the change in component modified vinyl acetate acrylic adhesive solid content and viscosity are held to change[.Idea vinyl acetate adhesive properties of the impact of factors related to the quality of acrylic acid, the ratio of butyl acryl ate and ethyl acetate, PVA's quality[. The results show that when the initiator was ammonium per sulfate (APS), the acrylic acid quality is 4, the ratio of butyl acryl ate and ethyl acetate 30:70, PVA modified by a mass of 8 180 vinyl adhesive peel strength largest, best quality plastic. Preparation of rubber modified vinyl acetate preferably 180 ° peel strength, holding the maximum viscosity, the measured test results of the best.Key words: Acryl ate; acryl ate modified vinyl acetate adhesives; holding viscous energy; 180 ° peel strength;
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Czech, Zbigniew, Dominika Sowa, and Paulina Ragańska. "Manufacturing of Solvent-Free Acrylic Pressure-Sensitive Adhesives in Form of Self-Adhesive Layers." International Letters of Chemistry, Physics and Astronomy 13 (September 2013): 147–59. http://dx.doi.org/10.18052/www.scipress.com/ilcpa.13.147.

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The present publication is related to a process for producing the non-solvent acrylic pressure-sensitive adhesive (PSA). New applications and technical specifications stimulate the continuous development of new methods of polymerization of solvent-free acrylate. New synthesis of solvent-free acrylics includes polymerization in the reactor with removal of the solvent and polymerization of the carrier. The polymerization process is connected with UV-crosslinking.
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Dissertations / Theses on the topic "Acrylic adhesives"

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Pitts, Simon A. "GARField magnetic resonance of ultraviolet cured acrylic adhesives." Thesis, University of Surrey, 2009. http://epubs.surrey.ac.uk/842669/.

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Pressure sensitive adhesives are a category of adhesives which can be used for both permanent and removable applications. The use of radiation to cure these materials prior to application is becoming more widespread due in part to the recent drive to reduce the release of volatile organic compounds and hazardous air pollutants produced from more traditional solvent or thermal curing methods. For the manufacturer, a greater understanding of how these adhesives cure under near to real life conditions is highly desired. This thesis presents the first use of one-dimensional magnetic resonance imaging to provide information on the molecular mobility as revealed by spin relaxation times as a function of depth in cross-linking acrylic adhesives during photoinitiated curing by ultraviolet light. Imperfect curing in these adhesives may lead to crosslink density inhomogeneities and consequently, to variations in the adhesion and cohesion properties throughout the depth of the adhesive. The GARField magnet developed at the University of Surrey, along with a new high temperature sample mounting probe developed during this work allowed thin film samples to be measured at various temperatures with a spatial resolution better than 16 mum. Two separate components were identified in the exponential decay of the NMR signal from the bulk adhesive. These were attributed to the inter-crosslinked network and to lower molecular weight dangling chain ends. Curing was seen to increase the fraction of the shorter component indicative of an increase in crosslink density. GARField profiles showed that formulations with additional multifunctional acrylates produced the highest cure owing to the increased crosslink density afforded by the multifunctional acrylates. However, the addition of these groups also led to a reduced homogeneity in the depth of cure. The inclusion of further photoinitiating species, sensitive to a wider range of wavelengths was shown to reduce this effect. Measurements at 60°C showed that UV irradiation was more efficient at producing crosslinks at this temperature. However, the contrast between cured and uncured samples on GARField was reduced due to the additional, thermally driven molecular motion. The activation energy for this thermal motion was calculated to be 0.34 +/- 0.04 eV and 0.28 +/- 0.05 eV for the uncured and cured adhesives, respectively. The irradiation regime only became important when small doses separated by more than 20 minutes were used. This regime led to sufficient build up of oxygen in the upper surface of the adhesive to inhibit the curing reaction.
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Kodokian, George-Kevork. "Adhesive bonding of thermoplastic fibre-composites." Thesis, Imperial College London, 1989. http://hdl.handle.net/10044/1/8815.

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Errington, Nicola. "Structure-property relationships in water-borne, crosslinked, acrylic pressure-sensitive adhesives." Thesis, University of Manchester, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.594755.

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Five series of acrylic water-borne pressure-sensitive adhesives (PSA's) were prepared with controlled particle morphologies, including core-shell and continually-varying composition. All latex adhesives were prepared at 50 % solids content by emulsion polymerisation of n-butyl acrylate (BA) and acrylic acid (AA) as the main monomers and 1,6-hexanediol diacrylate (HDA) as a crosslinking agent. Seed particles of poly(butyl acrylate) (PBA) were grown by an in-situ batch process to produce a particle of diameter 110 nm. Direct growth of these particles by a semi-continuous process under monomerstarved conditions was employed to give a final particle diameter of approximately 310 nm. Preliminary investigations were aimed at preparation of a latex with a narrow particle size distribution and a low level of coagulum. Initial work using 2-ethylhexyl acrylate (EHA) as the main monomer was not successful because a stable 50 % solids latex could not be produced with controlled particle growth. Hence a formulation was developed using BA and AA. Three series of latexes were prepared with a core-shell particle morphology. Series 1 involved the investigation of the level of crosslinker in the core, at fixed 45:55 core:shell weight ratio, with HDA levels ranging from 0 to 37.5 mol%. Series 2 investigated the volume fraction of crosslinked core (containing 33.3 mol% HDA) over the range 55:45 to 15:85 core:shell weight ratio. Series 3 investigated the effects of the thickness of a crosslinked shell (9.1 mol% HDA) for core-shell particles with a noncrosslinked core (at 55:45, 75:25 and 90:10 core:shell weight ratios). Series 4 latexes were prepared using power-feed processes, one linear power-feed and three based on Series 1 and 2 core-shell adhesive compositions. An additional latex was prepared with a particle profile in which the composition changed linearly with particle radius. Series 5 adhesives were blends of two latexes, such that the mixture had the same composition as Series 2 core-shell adhesives and consisted of the 'core' of the core-shell adhesive blended with a latex with the same composition as the shell of the respective core-shell adhesive. Latex preparation was controlled and monitored by measuring the particle size and the conversion of monomer to polymer at intervals during the preparation. Thermal properties of the adhesives were investigated for thick film samples by dynamic mechanical analysis {DMA}to measure the glass transition temperature {Tg}. Differential scanning calorimetry {DSC}was also used to measure Tgfor comparison. DMA showed two Tg's corresponding to the core and the shell. As the level of crosslinker was increased, the two Tg's became more discrete due to the Tg of the crosslinked phase increasing. The magnitude of the peaks in loss tangent {tan 5} for the core and shell material changed in accordance with the ratio of core:shell. Power-feed adhesives showed a broad glass transition region, which spanned the regions between the Tg's of the equivalent core-shell adhesive. The peaks in tan 5 for the blended systems were more discrete than for the equivalent core-shell adhesives. Adhesive properties were assessed using shear resistance and 1800 peel adhesion tests. Static shear tests were inadequate for testing highly-crosslinked adhesives; hence a dynamic shear resistance test was developed. In comparison to a uniform {noncrosslinked} poly(butyl acrylate-eo-acrylic acid} (PBAlAA) latex, inclusion of crosslinker led to vastly reduced peel adhesion. However, as the level of crosslinker was increased in the Series 1 adhesives, both the peel adhesion and the shear resistance increased. Series 2 and 3 latexes showed that the peel adhesion increases as the amount of non-crosslinked phase is increased. Series 2 adhesives exhibited a maximum in the shear resistance, while Series 3 adhesives showed a decreased in shear resistance as amount of non-crosslinked! ehe core was increased. Adhesive properties of Series 4 power-feed latex polymers showed no dependence on overall crosslink density, but revealed that there is a dependence on the distribution of crosslinker through the particle.
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Matsusato, Marcelo. "Estudo do comportamento de argamassas colantes com aditivação de látex acrílico." Universidade de São Paulo, 2007. http://www.teses.usp.br/teses/disponiveis/3/3146/tde-08012008-155611/.

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Os revestimentos cerâmicos aderidos têm grandes vantagens estéticas e funcionais e seu emprego no mercado nacional vem sendo crescente, sobretudo com o uso de placas de porcelanato. Essas vantagens somente se concretizam com uma adequada durabilidade e vida útil, o que não vem ocorrendo com esses revestimentos aplicados em bases sujeitas a deformações e ou movimentações, como o caso de fachadas. Como camada de ligação entre o substrato e a placa cerâmica, as argamassas colantes apresentam papel fundamental para o revestimento cerâmico, tais como: suportar deformações e ou movimentações diferenciais, apresentar resistência mecânica duradoura e ter capacidade de aderir com segurança em qualquer substrato e placa cerâmica. O objetivo desse trabalho foi de estudar o comportamento de argamassas colantes com a aditivação de látex acrílico. Foi realizado um estudo experimental comparativo entre argamassas colantes monocomponentes e argamassas colantes aditivadas com látex acrílico. Para verificar o comportamento que essa aditivação proporciona, foram realizados ensaios de resistência de aderência, flexibilidade, resistência à compressão, resistência à tração na flexão com determinação de módulo de deformação e tempo em aberto com placas de porcelanato. Os resultados mostraram de uma forma geral que a aditivação de argamassas colantes proporcionam aumento significativo na flexibilidade. Ocorre melhora na resistência de aderência, resistência à compressão e resistência à tração na flexão e também na capacidade de absorver deformações com o aumento do teor de polímero/argamassa. A aderência em placas de baixa porosidade como o porcelanato é melhorada e o tempo em aberto de laboratório também é estendido para as argamassas modificadas com látex.
The directed adhere ceramic tiles has aesthetic and functional advantages, and its use in the national market is increasing specially with the use along with porcelain tile. These advantages can only be seen though, if the system has adequate durability and service live, which doesn\'t happen once it is applied on irreversible or cyclic movement basis as building façades. As the clingy layer between the ceramic tile and the substrate, the tile adhesives have fundamental importance for the directed adhered ceramic tile, working on deformation and movements support capability, long-term durability mechanic resistance and safety and reliability to adhere on all type of substrates and ceramic tile. The purpose of this work was to study the behavior of dry set mortar modified with acrylic latex. An experimental study has been done, comparing dry set mortar to acrylic latex Portland cement mortar. To verify the behavior that the latex provides, the following tests were realized: tensile bond adhesion, deformability, compressive strength and tensile strength with deformation modulus and open time with porcelain tile. The results showed in general, that the latex improved the flexibility of dry set mortar and the improvement of the tensile adhesion, compressive and tensile strength and deformability capacity by increasing the polymer/mortar content. The adhesion and open time in porcelain tile has been improved with latex Portland cement mortar.
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Gaborieau, Marianne. "Solid-state NMR investigation of spatial and dynamic heterogeneity in acrylic pressure sensitive adhesives (PSAs) compared to model poly(n-alkyl acrylates) and poly(n-alkyl methacrylates)." Université Louis Pasteur (Strasbourg) (1971-2008), 2005. https://publication-theses.unistra.fr/public/theses_doctorat/2005/GABORIEAU_Marianne_2005.pdf.

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Des adhésifs sensibles à la pression (PSAs) acryliques industriels, des polyacrylates et polyméthacrylates de n-alkyles modèles, ont été étudiés principalement par RMN (résonance magnétique nucléaire) du solide. Le but à long terme est de comprendre l'influence des propriétés microscopiques sur l'adhésion. Notre contribution est l'apport d'outils analytiques pour la caractérisation du branchement, de la dynamique locale et de l'hétérogénéité dynamique. Après comparaison de plusieurs techniques de RMN 13C, une méthode de quantification du branchement dans les poly(acrylates d'alkyles) par irradiation simple de l'échantillon fondu sous rotation à l'angle magique (MAS) a été proposée. Cela a permis la première estimation fiable du branchement dans les poly(acrylates d'alkyles) et est applicable directement aux échantillons industriels réticulés et multi-composants. Cela facilitera la compréhension du procédé de polymérisation. Dans le cadre d'une meilleure compréhension du mécanisme d'adhésion, une méthode de chromatographie d'exclusion stérique (SEC) multi-détection a été proposée pour la détection des longues branches (LCB) dans les poly(acrylates d'alkyles) solubles. L'utilisation de la RMN du solide pour la quantification sélective de mouvements locaux dans des polymères fondus sans marquage isotopique a été étudiée. La technique expérimentale est la même que celle de la diffusion de spin 1H conventionnelle avec filtre dipolaire, beaucoup utilisée antérieurement pour quantifier la taille d'hétérogénéités dynamiques dans des polymères ayant un fort contraste dynamique. Dans les poly(acrylates d'alkyles) et les poly(méthacrylates de n-alkyles), qui présentent un contraste dynamique faible au sein de l'unité monomère, la dynamique entravée des chaînes latérales dans les nanodomaines alkyles a été quantifiée via une analyse de relaxation croisée
Industrial acrylic pressure sensitive adhesives (PSAs), poly(n-alkyl acrylate) and poly(n-alkyl methacrylate) model samples were investigated using predominantly solid-state NMR (nuclear magnetic resonance). The long term goal is to understand the influence of their microscopic properties on adhesion. Our contribution was to provide analytical tools to characterize branching, local dynamics and dynamic heterogeneity of poly(alkyl acrylates). Several 13C NMR techniques were compared for branching quantification in poly(alkyl acrylates) and single pulse excitation of the molten sample under magic angle spinning (MAS) was proved to be the most accurate. This provided the first reliable estimate of branching in poly(alkyl acrylates) and is directly applicable to crosslinked and multi-component industrial samples. This will help the understanding of the polymerization process for these samples. In the context of a better understanding of the adhesion mechanism, an alternative method of multiple detection size exclusion chromatography (SEC) was presented to detect long branches (LCB) in soluble poly(alkyl acrylates). Extensive experimental and theoretical work will be necessary to obtain quantitative results. The use of solid-state NMR to quantify local motion of specific chemical sites in non isotopically labeled polymeric samples in the melt was investigated. The experimental scheme is the same as conventional 1H spin diffusion with dipolar filter, previously widely used to quantify the size of dynamic heterogeneities in polymeric samples exhibiting a strong dynamic contrast. In poly(alkyl acrylates) and poly(alkyl methacrylates) with a weak dynamic contrast within the monomeric unit, the hindered dynamics of the side chains in alkyl nanodomains was quantified via cross-relaxation analysis
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Ismail, Hadi Mohammed. "Further development of a novel fluoride releasing acrylic orthodontic adhesive." Thesis, University of Newcastle upon Tyne, 2016. http://hdl.handle.net/10443/3321.

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White spot lesions (WSL) are a common complication with fixed orthodontic treatment. Fluoride incorporation into orthodontic adhesives is an effective way to prevent WSL. New fluoride releasing adhesives are being developed for this purpose. Four experimental groups were prepared by mixing different ratios of powder (polymethylmethacrylate and sodium fluoride; 10:0, 9:1, 8:2 and 7:3 wt) with liquids (60% methylmethacrylate and 40% 2-hydroxyethylmethacrylate). Therefore, this work aimed to further develop the fluoridated acrylic resin materials for possible use as an orthodontic adhesive. Acetone was added at 0%, 10%, 20%, 30% and 40wt% to reduce the materials’ viscosity. Addition of acetone up to 20% did not have detrimental effects on setting characteristics. The materials continued to release fluoride over 160 days. Different photo-initiators were investigated and the 1% camphorquinone and 1% 2-Dimethylamino ethyl methacrylate group was chosen for further development based on achieving the highest degree of conversion (DoC) at 40s of light curing. To improve bonding characteristics 4-methacryloyloxyethyl trimellitate anhydride (4-META) was added as an adhesion promoting monomer at 0% and 5wt%. The experimental materials were compared with a resin-based orthodontic adhesive (TransbondTMXT) and a glass ionomer cement (KetacTM Cem) as commercial comparator. DoC, fluoride release and recharging, water sorption and solubility were measured. Shear bond strength (SBS) was measured for the 9:1 group at two time points after 30 minutes and 30 days of insertion in phosphate buffered saline. All experimental materials had significantly higher DoC than TransbondTMXT. All experimental materials had comparable or higher fluoride release compared to KetacTM Cem. All of the developed materials showed similar recharge behaviour to the KetacTM Cem specimens. The solubility of the materials increased with increasing NaF concentrations. SBS of the experimental materials were significantly decreased at 30 days water storage compared to 30 minutes and were lower than TransbondTMXT. Addition of 4-META and NaF did not influence the SBS of the material. In summary, the developed light-cured fluoridated material showed good fluoride release and high recharge ability, which may prevent WSL. The developed material shows good DoC, in a reasonable timeframe, which would indicate stability. However, as a result of high water sorption and as a consequence of fluoride release, the SBS of the materials decreased after being in water. In conclusion, this material shows potential as a fluoride releasing orthodontic adhesive, which could help to reduce decay during fixed appliance treatment. Further work is required to iii improve the stability and bond strength of the material, which could involve investigation of different monomer combinations or different fluoride sources.
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Tran, Binh. "An Adhesive Vinyl-Acrylic Electrolyte and Electrode Binder for Lithium Batteries." Doctoral diss., University of Central Florida, 2013. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/5711.

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This dissertation describes a new vinyl-acrylic copolymer that displays great potential for applications in lithium ion batteries by enabling novel, faster, safer and cost-effective processes. Understanding the chemistry of materials and processes related to battery manufacturing allows the design of techniques and methods that can ultimately improve the performance of existing batteries while reducing the cost. The first and second parts of this dissertation focuses on the free radical polymerization of poly(ethylene glycol) methyl ether methacrylate (PEGMA), methyl methacrylate (MMA), and isobutyl vinyl ether (IBVE) monomers to afford a vinyl-acrylic poly(PEGMA-co-MME-co-IBVE) random copolymer and the investigation of its properties as a soluble, amorphous, and adhesive electrolyte that is able to permanently hold 800 times its own weight. Such material properties envision a printable battery manufacturing procedure, since existing electrolytes lack adhesion at a single macromolecular level. Electrolytes can also be used as an electrode binder so long as it has structural integrity and allows ion transfer to and from the active electrode material during insertion/extraction processes. In the third section, the use of this electrolyte as a water-soluble binder for the aqueous fabrication of LiCoO2 cathodes is presented. Results of this study demonstrated the first aqueous process fabrication of thick, flexible, and fully compressed lithium ion battery electrodes by using commercial nickel foam as a supporting current collector. This feat is rather impressive because these properties are far superior to other aqueous binders in terms of material loading per electrode, specific area capacity, durability, and cell resistance. Finally, the fourth section expands on this concept by using the poly(PEGMA-co-MMA-co-IBVE) copolymer for the aqueous fabrication of a low voltage Li4Ti5O12 anode type electrode. Altogether, results demonstrate as a proof of concept that switching the current toxic manufacturing of lithium-ion batteries to an aqueous process is highly feasible. Furthermore, new electrode manufacturing techniques are also deemed possible.
Ph.D.
Doctorate
Chemistry
Sciences
Chemistry
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Jacobs, William P. V. "Performance of Pressure Sensitive Adhesive Tapes In Wood Light-Frame Shear Walls." Thesis, Virginia Tech, 2003. http://hdl.handle.net/10919/32795.

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The performance of connections and full-scale shear walls constructed with acrylic foam pressure sensitive adhesive (PSA) tape is the focus of this thesis. The objectives of this study were first to investigate the bonding characteristics of adhesive tape to wood substrates and then to expand this investigation to cover adhesive-based shear walls subjected to high wind and seismic loadings. A total of 287 monotonic connection tests and 23 reversed cyclic wall tests were performed to achieve these objectives. Connection tests were performed in accordance with ASTM D 1761-88 (2000), and walls were tested using the CUREE (Consortium of Universities for Earthquake Engineering) general displacement-based protocol.

Variables investigated within the main study were the following: the use of OSB versus plywood sheathing, the effect of priming and surface sanding on adhesion, and the comparison of connections involving mechanical fasteners with those that utilized only adhesive tape or a combination of the two. It was found that an application pressure of 207 kPa (30 psi) or greater was needed to form a sound bond between the acrylic foam adhesive tape and a wood substrate. Properly bonded OSB and plywood connections provided fairly ductile failure modes. Full-scale walls constructed with adhesive tape performed similarly to traditional wall configurations, while walls constructed with a combination of adhesive tape and mechanical fasteners provided significant gains in strength and toughness. The results of this study serve to provide a foundation for expanding the engineering uses of acrylic foam adhesive tape for structural applications.
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9

Jofre-Reche, José Antonio. "Optimization of the surface properties of polydimethylsiloxane by plasma treatment for adhesion improvement and durability to acrylic adhesive for medical applications." Doctoral thesis, Universidad de Alicante, 2014. http://hdl.handle.net/10045/86114.

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El polidimetilsiloxano (PDMS) es un polímero amorfo en base inorgánica con grupos pendientes que le imparten hidrofobicidad que es ampliamente utilidado en aplicaciones biomédicas. Debido a la baja energía superficial del PDMS, su adhesión es pobre. En algunas aplicaciones biomédicas (catéteres, prótesis) se requiere adhesión para lo cual se modifica superficialmente. Los plasmas generados en condiciones de no-equilibrio, también llamados plasmas fríos, han sido utilizados en el tratamiento superficial de PDMS para aumentar su energía superficial, pero las modificaciones producidas son poco estables, produciéndose una rápida recuperación de la hidrofobicidad (hydrophobic recovery). La estabilidad de las modificaciones superficiales del PDMS depende de las características del plasma utilizado para su tratamiento, por lo que el objetivo de la tesis doctoral se centra en la utilización de diferentes tipos de plasmas fríos para modificar las propiedades superficiales de PDMS de manera que simultáneamente se aumente su estabilidad y se mejore su adhesión. Otro aspecto innovador en el estudio consiste en la discriminación y optimización de las condiciones de tratamiento con plasma utilizando un diseño estadístico de experimentos, lo que he permitido modelar el efecto del tratamiento con plasma de superficies de PDMS empleando los ángulos de contacto y la química superficial como variables respuesta. Se ha estudiado el efecto de los diferentes tipos de plasma en la hidrofobicidad y la energía superficial del PDMS mediante medidas de ángulo de contacto. Las modificaciones en la química superficial han sido evaluadas usando espectroscopia infrarroja en modo de reflectancia total atenuada (FTIR-ATR) y espectroscopia fotoelectrónica de rayos X (XPS), mientras que los cambios en la morfología y nanorugosidad superficial se monitorizaron usando microscopía electrónica de barrido (SEM) y microscopía de fuerza atómica (AFM). Las propiedades de adhesión del PDMS se evaluaron mediante ensayos de adhesión en pelado en T y de cizalla a solape simple, utilizando un adhesivo sensible a la presión (PSA) en base acrílica para uso médico. Estas propiedades fueron además monitorizadas en función del tiempo tras el tratamiento con plasma para determinar la estabilidad de las modificaciones producidas. En general, el tratamiento superficial de PDMS con plasma produce oxidación de las cadenas de polisiloxano por sustitución de los grupos metilo por grupos hidroxilo, lo que aumenta la polaridad y la energía superficial, incrementando las propiedades de adhesión. Se produce el entrecruzamiento de cadenas mediante condensación de los grupos hidroxilo, formando una delgada capa superficial con estructura de sílice. Cuando las características del plasma son demasiado agresivas aparecen grietas superficiales favoreciendo la recuperación hidrofóbica por difusión de especies apolares desde el seno del PDMS hacia la superficie, así como por la reorientación de los nuevos grupos polares en la superficie hacia el seno del material. Este fenómeno se minimiza optimizando las condiciones de tratamiento empelando un diseño estadístico de experimentos. En sistemas de generación de plasma a baja presión, tratamientos con baja potencia durante largos tiempos mejoran la funcionalización de la superficie del PDMS, y el uso de mezclas de argón y oxígeno como gas plasmógeno resulta más efectivo que el empleo de los gases puros; la presión de trabajo tiene un papel fundamental en la estabilidad de las modificaciones producidas. En sistemas de antorcha de plasma atmosférico el tiempo de tratamiento y la distancia de la boquilla a la superficie son los parámetros más relevantes en la oxidación superficial del PDMS, mientras que en sistemas de plasma atmosférico de doble barrera dieléctrica, el voltaje, el tiempo de tratamiento y la distancia entre electrodos son las variables críticas en la efectividad del tratamiento superficial. Finalmente, la deposición de monómeros mediante antorcha de plasma permite generar nanoestructuras superficiales en el PDMS aportándole características de superhidrofobicidad.
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Zafar, Syed Muhammad Sohaib Zafar. "Differential Association of Vitronectin and Fibronectin with Glass and Electrospun Fibers of a Poly (D-Lysine) /Poly (Acrylic Acid)." Scholar Commons, 2016. http://scholarcommons.usf.edu/etd/6444.

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Proteins represent major constituent of the extracellular matrix which plays an important role in the formation, maintenance and remodeling of tissues, this project focuses on adsorption of two specific serum proteins fibronectin (FN) and vitronectin (VTN) responsible for mediating cell matrix interaction through integrin binding, tripeptide Arg-Gly-Asp (RGD) sequence found in these protein features are recognized by αβV3 integrin which ultimately helps in clot formation.
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Books on the topic "Acrylic adhesives"

1

Canadian Conservation Institute. Conservation Research Services and Canada Communications Canada, eds. Adhesive testing at the Canadian Conservation Institute: An evaluation of selected poly(vinyl acetate) and acrylic adhesives. Ottawa, Canada: Communications Canada, 1992.

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Czech, Zbigniew. Vernetzung von Haftklebstoffen auf Polyacrylatbasis. Szczecin: Wydawn. Uczelniane Politechniki Szczecińskiej, 1999.

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Parker, Philip M. The 2007-2012 World Outlook for Acrylic Adhesives. ICON Group International, Inc., 2006.

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The 2006-2011 World Outlook for Acrylic Adhesives. Icon Group International, Inc., 2005.

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Book chapters on the topic "Acrylic adhesives"

1

Hussey, Bob, and Jo Wilson. "Acrylic Adhesives." In Structural Adhesives, 66–91. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4613-1203-1_16.

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Satas, Donatas. "Acrylic Adhesives." In Handbook of Pressure Sensitive Adhesive Technology, 396–456. Boston, MA: Springer US, 1989. http://dx.doi.org/10.1007/978-1-4757-0866-0_15.

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Gehman, David R. "Acrylic Adhesives." In Handbook of Adhesives, 437–50. Boston, MA: Springer US, 1990. http://dx.doi.org/10.1007/978-1-4613-0671-9_25.

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Boeder, Charles W. "Anaerobic and Structural Acrylic Adhesives." In Structural Adhesives, 217–47. Boston, MA: Springer US, 1986. http://dx.doi.org/10.1007/978-1-4684-7781-8_6.

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Abbey, Kirk J., and Dennis J. Zalucha. "The Chemistry of Structural Adhesives: Epoxy, Urethane, and Acrylic Adhesives." In Handbook of Industrial Chemistry and Biotechnology, 549–72. Boston, MA: Springer US, 2012. http://dx.doi.org/10.1007/978-1-4614-4259-2_14.

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Zalucha, Denis J., and Kirk J. Abbey. "The Chemistry of Structural Adhesives: Epoxy, Urethane, and Acrylic Adhesives." In Kent and Riegel’s Handbook of Industrial Chemistry and Biotechnology, 591–622. Boston, MA: Springer US, 2007. http://dx.doi.org/10.1007/978-0-387-27843-8_14.

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Abbey, Kirk J., and Denis J. Zalucha. "The Chemistry of Structural Adhesives: Epoxy, Urethane, and Acrylic Adhesives." In Handbook of Industrial Chemistry and Biotechnology, 677–708. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-52287-6_10.

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Harrison, K. W. "Applications of Toughened Epoxy and Acrylic Adhesives." In Adhesion 12, 121–40. Dordrecht: Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-1349-3_8.

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Neidlinger, H. H., and P. Schissel. "Stabilized Acrylic Glazings for Solar Reflectors." In Adhesives, Sealants, and Coatings for Space and Harsh Environments, 477–85. Boston, MA: Springer US, 1988. http://dx.doi.org/10.1007/978-1-4613-1047-1_43.

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Kent, James A. "The Chemistry of Structural AdhesivesAdhesives: Epoxy, Urethane, and Acrylic Adhesives." In Riegel's Handbook of Industrial Chemistry, 726–54. Boston, MA: Springer US, 2003. http://dx.doi.org/10.1007/0-387-23816-6_20.

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Conference papers on the topic "Acrylic adhesives"

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Kapania, Rakesh K., Dhaval P. Makhecha, Eric R. Johnson, Josh Simon, and David A. Dillard. "Modeling Stable and Unstable Crack Growth Observed in Quasi-Static Adhesively Bonded Beam Tests." In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-59765.

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An experimental and computational study of an adhesively bonded, double cantilevered beam (DCB) under quasi-static loading is presented. The polymeric adhesives are either an acrylic or an epoxy, and the adherends are 6061 aluminum alloy. DCB tests bonded with the acrylic exhibited stable crack growth, while the DCB tests bonded with the epoxy exhibited unstable crack growth. The responses of the DCB test speciments were modeled in the ABAQUS/Standard® software package. Interface finite elements were located between bulk elements to model crack initiation and crack growth in the adhesive. These interface elements are implemented as user-defined elements in ABAQUS®, and the material law relating the interfacial tractions to the separation displacements is based on a cohesive zone model (CZM). Using interface elements only to model the acrylic adhesive, the simulation correlates very well to the test. Good correlation between the simulation and the test for the epoxy adhesive is achieved if both bulk modeling of the adhesive and inertia of the specimen are included.
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Anakapalli, Manoj, P. Raju Mantena, Ahmed Al-Ostaz, and S. Jimmy Hwang. "Impulse-Frequency Response and EIS Based NDE for Characterizing Bond Integrity of Adhesive Joints Subjected to Environmental Degradation." In ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-79421.

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Single-Lap Joint (SLJ) and three-point end-notched flexure (ENF) joint configurations were used to bond 1” × 1/8″ (25.4mm × 3.175mm) aluminum 2024 T-4 adherends using a range of 3M™ high performance pressure sensitive adhesives (Adhesives 69, 73 and 85) and VHB™ acrylic foam tapes (Foam 41, 50, 52). Batches of bonded specimens were subjected to two types of aggressive environments simulating extreme service conditions: freeze-thaw cycling from 10°F to 50°F at 6 cycles per day (ASTM C666 Procedure A) for 21 days with samples immersed in water; heat-cool cycling (with 90% of maximum recommended temperature by the manufacturer of both acrylic foam and adhesive transfer tapes attained at 70% relative humidity) and 3 cycles per day for 21 days. Electrochemical Impedance Spectroscopy (EIS) and Fast Fourier Transform (FFT) based impulse frequency response vibration Non-Destructive Evaluation (NDE) techniques were used to monitor overall bond integrity.
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Anakapalli, Manoj, P. Raju Mantena, Ahmed Al-Ostaz, and S. Jimmy Hwang. "Quasi-Static Lap Shear and Dynamic Impact of High Performance VHB™ Acrylic Foam and Adhesive Transfer Tape Bonded Aluminum Joints Subjected to Environmental Degradation." In ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-79425.

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A range of 3M™ VHB™ acrylic foam tapes and high performance adhesive transfer tapes were used to bond 1” × 1/8″ (25.4 mm × 3.175 mm) aluminum 2024 T-4 adherends in single-lap joint (SLJ) and three-point end-notched flexure (ENF) configurations. Three types of 0.045” thick double-coated acrylic foam tapes: Foam 41, 50 and 52 (firm, soft and softer), and three types of adhesive transfer tapes: Adhesives 69, 73 and 85 (0.005”, 0.01” and 0.005” thick, respectively) were used for this study. The samples were subjected to two types of aggressive environments simulating extreme service conditions: freeze-thaw cycling from 10°F to 50°F at 6 cycles per day (ASTM C666 Procedure A) for 21 days with samples immersed in water; heat-cool cycling (with 90% of maximum recommended temperature by the manufacturer of both acrylic foam and adhesive transfer tapes attained at 70% relative humidity) and 3 cycles per day for 21 days. Initially the impulse-frequency response vibration and electrochemical impedance spectroscopy (EIS) techniques were used for monitoring bond quality nondestructively and selecting the best out of 250 fabricated samples. After obtaining baseline data, the specimens were subjected to quasi-static lap-shear and dynamic impact loading to compare their lap-shear failure loads and shear energy along with the impact load and energy absorbed.
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Minichelli, Judith L. "Bonding Automotive Galvanized Sheet Steel with One-Part Zinc Activated Acrylic Structural Adhesives." In International Congress & Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1991. http://dx.doi.org/10.4271/910507.

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Jin Su Jung, Jae Hoon Kim, Min Seok Kim, Han Mo Jeong, Youn Bok Cho, Yong Sung Kim, Tae Kyoon Kim, Jeong Mi Hwang, Sang Yun Lee, and Yang Lae Cho. "The properties of reactive hot melt polyurethane adhesives with acrylic polymer or macromonomer modifications." In 2008 Third International Forum on Strategic Technologies (IFOST). IEEE, 2008. http://dx.doi.org/10.1109/ifost.2008.4603008.

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Alazhary, Sharif, Hamid Mohammadi, and Roozbeh Dargazany. "Thermo-Oxidation Analysis of Structural Adhesives: An Experimental Study." In ASME 2020 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/imece2020-24323.

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Abstract Cross-linked polymers play an important role in structural applications as adhesives. In this article, we performed an experimental study to understand the effects of high temperature i.e. thermo-oxidative aging on the mechanical behavior of polymers. Subsequently, the constitutive behavior, i.e. stress-strain relation of these adhesives before and after the accelerated aging tests were studied on samples aged at different temperature and different time durations at zero humidity. The aging conditions and periods selected for the tests have been specifically designed to simulate the effects of aging under the working conditions that the materials will be subjected to in their standard applications. The focus of this study is on the investigation of the effects of aging on the polymeric adhesives used in automotive applications. Consequently, four different polymeric adhesives (one silicone-based, two polyurethane-based, and one acrylic type), which are being used extensively in these applications, have been chosen. The quasi-static tensile loading was used on these four adhesives and the changes in the constitutive behavior were measured. The failure tensile tests as well as the cyclic tensile tests were performed in our lab using a Test-Resources tensile testing machine. The temperatures that were used in this work are 60, 80 and 95°C for varying aging periods of 24hrs, 240hrs, and 720hrs. Then, all the data was collected and consequently analyzed, and the resulting behavior was compared to that of the unaged material, showing varying results depending on the material, temperature, and aging period. Different behaviors have been observed after aging. The polymers’ behavior was expanding from no effect to significant damage caused by aging conditions. This work provides the core understanding required for modeling the material behavior during aging and lays down the groundwork for further data-infused model-free approaches.
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Sameoto, D. E., and C. Menon. "A LARGE-SCALE FLEXIBLE MOLDING TECHNOLOGY FOR PRODUCING BIOMIMETIC DRY ADHESIVES IN MULTIPLE MATERIALS USING A COMMERICAL ACRYLIC MASTER." In 2010 Solid-State, Actuators, and Microsystems Workshop. San Diego: Transducer Research Foundation, 2010. http://dx.doi.org/10.31438/trf.hh2010.82.

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Hongbin Shi, Cuihua Tian, M. Pecht, and T. Ueda. "Improving bend performance of lead-free plastic ball grid array assemblies with thermal curing epoxy and UV curing acrylic edge-bond adhesives." In 2013 IEEE 15th International Symposium and Exhibition on Advanced Packaging Materials (APM 2013). IEEE, 2013. http://dx.doi.org/10.1109/isapm.2013.6510404.

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Toxqui-López, S., A. Olivares-Pérez, A. Padilla V, G. Páez-Trujillo, and I. Fuentes-Tapia. "Holograms in acrylic copolymer adhesive." In Integrated Optoelectronic Devices 2006, edited by Hans I. Bjelkhagen and Roger A. Lessard. SPIE, 2006. http://dx.doi.org/10.1117/12.647077.

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Kuntumalla, Gowtham, Yuquan Meng, Manjunath Rajagopal, Ricardo Toro, Hanyang Zhao, Ho Chan Chang, Sreenath Sundar, et al. "Joining Techniques for Novel Metal Polymer Hybrid Heat Exchangers." In ASME 2019 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/imece2019-10621.

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Abstract In the United States, over 50% of the unrecovered energy from industrial processes is in the form of low-grade heat (< 220°C). Materials and maintenance costs of common heat exchangers are typically too high to justify their usage. Polymers, though more affordable, are usually unsuitable for HX applications due to their low thermal conductivity (∼0.2 W/mK). Here, we show that metal-polymer hybrids may be attractive from both performance and cost perspectives. The use of polymers further increases the resistance to corrosion by sulfuric and carbonic acids often present in flue gases. An ongoing work explores different configurations of layered polyimide-copper macroscale hybrids for heat exchanger applications using numerical simulations. This paper explores a manufacturing pathway for producing such layered hybrid tubes that involves directly rolling and bonding tapes made of polymer and copper foil into tubes. A critical problem in the fabrication process is the bonding of metal and polymers. We explore approaches involving adhesives (epoxy, acrylic and silicone) for metal/polymer interfaces and direct welding (ultrasonic) for metal/metal interfaces that can be integrated into the manufacturing process. We report characterizations of the thermomechanical properties of these joining processes. This work paves the way for realizing cost-effective manufacturing of heat exchangers for low grade waste heat recovery.
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