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http://dx.doi.org/10.7473/EC.2012.47.1.075

A Study on Property Change of Acrylic Rubber by Selected Monomers and Crosslinking Agent  

Kim, Jun-Ho (Department of Applied Chemical Engineering, Korea University of Technology and Education)
Cho, Ur-Ryong (Department of Applied Chemical Engineering, Korea University of Technology and Education)
Publication Information
Elastomers and Composites / v.47, no.1, 2012 , pp. 75-81 More about this Journal
Abstract
Acrylic rubber was synthesized using ethyl acrylate. butyl acrylate, methoxyethyl acrylate as main monomers and glycidyl methacrylate as cure site monomer by emulsion polymerization. Rubber compound was made by adding 2,2-bis[4-(4-aminophenoxy)phenyl]propane as crosslinking agent. Increase of ethyl acrylate content in the main monomer ratio resulted in enhancement of heat resistance due to decrease of glass transition temperature in acrylic rubber. And also oil resistance was increased with increasing content of ethyl acrylate because ethyl acrylate has the highest ester concentration in the three main monomers. With content of 2,2-bis[4-(4-aminophenoxy)phenyl]propane, both tensile strength and elongation were increased until 2 phr, but in higher content than that, they decreased owing to reduction of viscosity and elongation by increase of crosslinking density.
Keywords
acylic rubber; methoxy ethylacrylate; 2,2-bis[4-(4-aminophenoxy)phenyl]propane; rubber compound;
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