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http://dx.doi.org/10.17702/jai.2011.12.2.067

Adhesion Performance and Curing Behaviors of Acid-free Acrylic PSAs Using Two Types of Curing Agents  

Lee, Seung-Woo (Laboratory of Adhesion & Bio-Composites, Program in Environmental Materials Science, Research Institute for Agriculture & Life Science, Seoul National University)
Park, Ji-Won (Laboratory of Adhesion & Bio-Composites, Program in Environmental Materials Science, Research Institute for Agriculture & Life Science, Seoul National University)
Kwon, Young-Eun (Laboratory of Adhesion & Bio-Composites, Program in Environmental Materials Science, Research Institute for Agriculture & Life Science, Seoul National University)
Kim, Hyun-Joong (Laboratory of Adhesion & Bio-Composites, Program in Environmental Materials Science, Research Institute for Agriculture & Life Science, Seoul National University)
Publication Information
Journal of Adhesion and Interface / v.12, no.2, 2011 , pp. 67-72 More about this Journal
Abstract
Acrylic pressure-sensitive adhesives are used in many different parts in the world. But acrylic acid in PSAs may occur unexpected results such as corroding adherends or producing by-products when applied within electronic devices. This study employed acrylic PSAs based on 2-ethylhexyl acrylate (2-EHA), 2-hydroxyethyl acrylate (2-HEA) and butyl acrylate (BA) with different coating thickness. There are two types of curing agents. One is methylaziridine derivative (MAZ) and the other is aluminum acetylacetonate (AlACA). This study examined the adhesion performance and curing behaviors using peel strength, probe tack and gel fraction. Also, the viscoelastic properties of acrylic PSAs were investigated from Advanced rheometric expansion system (ARES).
Keywords
acid-free acrylic PSAs; adhesion performance; curing behaviors; methylaziridine derivative; aluminum acetylacetonate; peel strength; probe tack; gel fraction; viscoelastic property;
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