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Future Evolution of Pressure Sensitive Adhesive Tapes_2000
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Although it is somewhat outdated, the comment and summary in this review is very representative. For your information. Adhesive tape products are inconspicuous, but are used widely in industry because of their convenient features. We are convinced that the importance of adhesive tape products will continue to grow in future as they adapt to the multifarious functions required by industry. Accordingly it is important to maintain a spirit of challenge through active efforts to develop new approaches in design philosophy, material technologies, manufacturing technologies, evaluation technologies, and other aspects. The design of adhesive tape products requires an approach straddling interface chemistry, polymer chemistry, material mechanics, fracturemechanics, rheology and other sciences, and there remain many unexplained areas in adhesive phenomena and adhesive theory. That there are many unexplained areas means also that there are many hidden possibilities, making this a very exciting and promising area of research. In the future, to stimulate new demand, it will be necessary for customers to be made aware of the convenience and highly developed functions of adhesive tape products, and for manufacturers to accurately apprehend customer requirements. Our mission from now on will be to tie these efforts in skilfully with creation of environment-friendly products so as to continue with customer-centered product development. |
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Development trends in pressure-sensitive adhesive systems_2005
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Pressure-sensitive adhesives (PSA) present an interesting class of products that offers a potential to produce a novel generation of self-adhesives with a great number at excellent properties. The term pressure- sensitive describes adhesives that are aggressively and permanently tacky in the dry form at room temperature and firmly adhere to a variety of dissimilar surfaces upon mere contact, without the need of more than finger or hand pressure. Acrylic self-adhesive polymers are nowadays synthesized from a wide selection of acrylic ester monomers, often with low levels of monomers having pendant functional groups. The three basic types of acrylic common today are solvent-borne, water-borne, and solvent-free acrylic PSAs. They can be used in the production of single- and double-sided self-adhesive tapes, foil labels, carrier-free tapes, self-adhesive bioelectrodes, and decorative PVC signs and marking films. A pressure-sensitive adhesive requires a balance of cohesive strength and viscoelastic properties. These characteristics are based on three parameters: tack, adhesion, and cohesion. |
2楼2008-06-18 17:16:43