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Wednesday, May 13, 2020 | History

2 edition of Water-borne pressure-sensitive adhesives prepared by emulsion polymerisation found in the catalog.

Water-borne pressure-sensitive adhesives prepared by emulsion polymerisation

J. Garrett

Water-borne pressure-sensitive adhesives prepared by emulsion polymerisation

by J. Garrett

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  • 8 Currently reading

Published by UMIST in Manchester .
Written in English


Edition Notes

StatementJ. Garrett ; supervised by P.A. Lovell.
ContributionsLovell, P. A., Materials Science Centre.
ID Numbers
Open LibraryOL16826425M

Maxillofacial prostheses is a dental medicine specialty aimed at restoring anatomical facial defects caused by cancer, trauma or congenital malformations through an artificial device, which is commonly attached to the skin with the help of an adhesive. The purpose of our research was to develop a pressure-sensitive adhesive (PSA) based on acrylic monomers, characterizing and determining its. Rovene is a very soft carboxylated styrene-butadiene emulsion designed for formulation of permanent label adhesives and flooring adhesives. Rovene® ; - ; max ; Rovene is a very soft carboxylated styrene-butadiene emulsion specifically designed for formulation of pressure sensitive permanent adhesives. Rovene.

A series of pressure-sensitive adhesives (PSAs) with different monomer composition was prepared using emulsion polymerisation. The monomers were butyl-acrylate (BA), 2-hydroxyethyl acrylate (2-HEA), acrylic acid (AA) and 2-ethylhexyl acrylate (2-EHA). A latex based adhesive comprising a first component (adhesive component) comprising an interpolymer of at least one hard monomer, at least one soft monomer, and optionally a copolymerizable carboxylic acid comonomer having a Tg of from about ° C. to about -5° C. and a second polymeric component (tackifier component) that is compatible with the adhesive component having a molecular weight.

Inherently tacky pressure-sensitive acrylic polymers are formed by emulsion polymerization in the presence of at least one reactive multifunctional monomer having a cyanurate or phosphate functionality. Emulsification of vegetable oil-based resins was a daunting task when the author began his research, but the subsequent technology spawned a generation of stable emulsions for waterborne coatings based on vegetable oil-based alkyd resins, oils and fatty acids. Autoxidative polymerization of emulsified alkyd resins is an innovative and original contribution to emulsion technology, because.


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Water-borne pressure-sensitive adhesives prepared by emulsion polymerisation by J. Garrett Download PDF EPUB FB2

Water-borne polyurethane/acrylic hybrid latexes for their application as pressure-sensitive adhesives were prepared by high solids simultaneous free radical and addition miniemulsion polymerization. The pressure sensitive adhesive dispersions were prepared by a typical semi-continuous emulsion polymerization process according to the compositions in Table 1.

For two runs, the monomer compositions were changed, and other variables were kept the same. For twelve runs, the monomer composition was kept the same, and persulfate initiator amount.

In the current work, the preparation of a series of acrylic water-borne pressure-sensitive adhesives (PSAs) with the controlled composition and structure for the copolymerization of BA and acrylic.

Pressure-sensitive adhesives must develop simultaneously two conflicting properties: adhesion and cohesion. To fulfill these requirements, it is imaginable to synthesize suitable materials by free-radical emulsion copolymerization of complementary monomers: methyl methacrylate (MMA) and 2-ethylhexyl acrylate (EHA).Cited by:   Abstract.

Pressure sensitive adhesives (PSAs) adhere instantaneously to a variety of surfaces upon application of slight pressure and can be obtained using different technologies. Increasing environmental concerns and regulations are the major driving forces for the development of emulsion‐based PSAs.

Given the number of factors affecting the emulsion polymerization process and versatility of emulsion‐based polymers Cited by: Residual pressure sensitive adhesive (PSA) particles fo und in recycling operations are often described as hydrophobic contaminants However, much of the PSA Water-borne pressure-sensitive adhesives prepared by emulsion polymerisation book recycled paper is part of pressure sensitive (PS) label systems, which are predominantly water-based acrylics produced via emulsion polymerization.

As will be. A series of Pressure-Sensitive Adhesives (PSAs) with different soft monomer compositions were prepared by using emulsion polymerization.

The monomers used were acrylic acid (AA), n. pressure-sensitive adhesives (PSAs) obtained by emulsion polymerisation are characterised as adhesive which can adhere strongly to solid surfaces upon application of light contact pressure and short contact time.

It is used in pressure sensitive tapes, labels, note pads, automobile trim and a wide variety of other products. Pressure-sensitive adhesives (PSAs) have become more popular in demanding tape and label applications. Many high-performance PSA applications are dominated by solvent acrylic PSAs and radiation-curable PSAs because they can achieve much higher cohesive strength and heat resistance than other technologies, including typical emulsion PSAs.

Miniemulsion vs. conventional emulsion polymerization for pressure-sensitive adhesives production Article in Chemical Engineering Science 65(9) May with Reads.

High-peel pressure sensitive adhesives. Looking at the real peeling (picture) we can represent it with a mathematic model, tensile tests on a PSA polymeric film can be used as a criterion for extrapolating values of peel adhesion for the adhesive itself.

Tensile tests correlate well with the structure of the polymer; moreover in the. Polyacrylates with High Biomass Contents for Pressure-Sensitive Adhesives Prepared via Mini-emulsion Polymerization Gang Pu, Matthew R.

Dubay, Jiguang Zhang, and Steven J. Severtson *, Department of Bioproducts and Biosystems Engineering, University of Minnesota, Folwell Avenue, St. Paul, MinnesotaUnited States. Pressure-sensitive adhesives (PSAs) are viscoelastic materials which adhere to substrates on the application of slight pressure over short periods of time.

The largest proportion of the PSA market is now held by water-borne acrylic systems based on latexes prepared by emulsion polymerisation. Effect of the MMA content on the emulsion polymerization process and adhesive and enhance the shear resistance of acrylic polymers.

In the current work, the preparation of a series of acrylic water‐borne pressure‐sensitive adhesives were prepared at a solid content of 50% by two‐stage sequential emulsion polymerization, and this.

Self‐crosslinkable acrylic pressure‐sensitive adhesives (PSAs) functionalized with 3‐isopropenyl‐α,α‐dimethylbenzyl isocyanate (TMI) are prepared by starved, seeded semi‐batch emulsion polymerization.

n‐Dodecanethiol is used as a chain transfer agent (CTA) and EF‐ as an anionic surfactant. The present invention is directed to an aqueous emulsion acrylic pressure sensitive adhesive composition that excels in high performance applications.

The inventive adhesive composition comprises in water: (I) a polymer system wherein the system is: (A) (a) a copolymer of between about 95 wt-% and wt-% of a C 4 -C 18 alkyl (meth)acrylate monomer and between about wt-% and 5 wt-% N. A series of pressure-sensitive adhesives (PSAs) with different monomer composition was prepared using emulsion polymerisation.

The monomers were butylacrylate (BA), 2. The present invention is directed to an aqueous emulsion acrylic pressure sensitive adhesive composition that excels in high performance applications. The inventive adhesive composition comprises in water (a) a copolymer of a C4-C18 alkyl (meth)acrylate monomer and between about % and 5 % N-substituted or unsubstituted (poly)acrylamide; (b) a copolymer of a C4-C18 alkyl (meth)acrylate.

Pressure-sensitive adhesives (PSA) can be prepared via hot melts, solvents, and waterborne systems. In solvent-containing systems, formulations with a high content of solid material are possible, requiring a minimum solvent recovery.

n-Butyl acrylate and other acrylic monomers were copolymerized with an acrylated macromonomer to produce polymers for pressure-sensitive adhesive (PSA) applications. Macromonomers were generated through the ring-opening copolymerization of l-lactide and ε-caprolactone with 2-hydroxyethyl methacrylate (HEMA) at an average molar composition ofrespectively.

Acrylic PSAs were prepared by emulsion polymerization using potassium persulfate as initiator and sodium dodecyl sulfate as surfactant.

The semicontinuous polymerization procedure was designed so that, under a vigorous stirring, a large interfacial area will be generated and the surfactant concentration diminishes below by: 2.Abstract.

A systematic study of the production of poly (2-ethyl hexyl acrylate/methyl methacrylate/acrylic acid) pressure-sensitive adhesives (PSAs) via conventional emulsion and miniemulsion polymerization was carried out in order to discern and compare the influence of copolymer composition, chain transfer agent (CTA) and surfactant concentrations on the kinetics and microstructure of the resulting adhesive .Waterborne polyurethane−acrylic hybrid nanoparticles for application as pressure-sensitive adhesives (PSAs) were prepared by one-step miniemulsion polymerization.

The addition of polyurethane to a standard waterborne acrylic formulation results in a large increase in the cohesive strength and hence a much higher shear holding time (greater than seven weeks at room temperature), which is a.