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Adhesive Properties of Acrylic Emulsion Pressure Sensitive Adhesives with Polymeric Emulsifier  

박명철 (㈜유진폴리텍크 기술연구소)
이명천 (동국대학교 공과대학 생명화학공학과)
Publication Information
Polymer(Korea) / v.27, no.6, 2003 , pp. 596-602 More about this Journal
Abstract
A Polymeric emulsifier was synthesized by solution polymerization with 2-ethylhexyl acrylate, n-butyl acrylate, and acrylic acid. A series of polymeric emulsifier have been used in the emulsion copolymerization of 2-ethylhexyl actryacrylate and n-butyl acrylate. The size of the synthesized latex particles was around 145 nm and its distribution was very narrow. Emulsion with polymeric emusifier showed no coagulum after 7 cycles of freeze-thaw test, while the emulsion with traditional emulsifier exhibited coagulum after 2 cycles. The adhesion tests showed that the initial tackiness and peel strength decreased as the molecular weight and acrylic acid content of polymeric emulsifier increased, whereas the holding power increased.
Keywords
pressure sensitive adhesive; polymeric emulsifier; tack; holding power; peel;
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