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http://dx.doi.org/10.17702/jai.2013.14.1.043

Study on Crosslinking Properties of Acrylic Pressure-Sensitive Adhesives  

Kim, Pan Soo (Department of Polymer Engineering, Pukyong National University)
Lee, Sang-Mu (Kunyang Co. Ltd.)
Jung, Sin-Hye (Kunyang Co. Ltd.)
Lee, Won-Ki (Department of Polymer Engineering, Pukyong National University)
Publication Information
Journal of Adhesion and Interface / v.14, no.1, 2013 , pp. 43-48 More about this Journal
Abstract
The physical properties of the acrylic pressure sensitive adhesives (PSAs) can be easily controlled by a proper functional monomer which has functional groups for crosslinking. This study was to investigate the effect of crosslinking agents, isocyanate and epoxy types, of acrylic PSAs on adhesive properties. 2-Ethylhexyl acrylate, acrylic acid (AA), and 2-hydroxy ethyl methacrylate as monomer were used. The obtained samples with different AA contents were partially crosslinked with epoxy- or isocyanate-typed agent. Peel strength, balltack, holding power test and contraction percentage of the obtained PSA were evaluated. Most properties of acrylic PSAs were increased with AA content and acrylic PSAs with epoxy-typed crosslinking agent (4 crosslinking sites) which produces flexible link (ether), showed better properties than those of isocyanate-typed one (3 crosslinking sites).
Keywords
pressure sensitive adhesives; crosslinking agents; peel strength;
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