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The Effect of Chemical Structure on the Adhesion Properties of Acrylic Pressure Sensitive Adhesives Prepared by Multifunctional Monomers  

Cho, In-Mok (Department of Polymer Science, Kyungpook National University)
Kim, Ho-Gyum (Department of Polymer Science, Kyungpook National University)
Han, Dong-Hee (Advanced Electrical Materials Group, Korea Electrotechnology/Research Institute)
Lim, Jeong-Cheol (Division of Textile Fashion Industry, Yeungnam College of Science & Technology)
Min, Kyung-Eun (Department of Polymer Science, Kyungpook National University)
Publication Information
Polymer(Korea) / v.34, no.3, 2010 , pp. 226-236 More about this Journal
Abstract
UV irradiated acrylic pressure sensitive adhesives(PSAs) are prepared to be used for thermal pad in plasma display panel(PDP). The effect of the chemical structure of side-chain in comonomer and of crosslinking agent on wet-out property of acrylic PSAs in wide temperature range were investigated. The correlationship between viscoelastic behavior and adhesion properties, such as tack and peel strength, was also studied. The experimental results supported that wet-out and adhesion properties of acrylic PSAs were enhanced inversely proportional to side-chain length of comonomer in wide temperature range. The peel energy clearly increased in acrylic PSAs prepared by using di(ethylene glycol) dimethylacrylate (DEGDMA) for crosslinking agent. The results might be due to the difference in the glass transition temperature and viscoelastic behavior of acrylic PSAs.
Keywords
acrylic; PSA; adhesion property; UV; wet-out;
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