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Poly(Methyl Methacrylate-co-Styrene) Modified with Hydrogenated Natural Rubber

¹ Program of Petrochemistry and Polymer Science, Faculty of Science, Chulalongkorn University 10330, Thailand
² Faculty of Environment and Resource Studies, Mahidol University, Nakhon Pathom 73170, Thailand
³ Department of Chemical Engineering, University of Waterloo, Ontario N2L3G1, Canada
⁴ Department of Chemical Technology, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand

^* To whom correspondence should be addressed. E-mail: Pattarapan.P{at}chula.ac.th.

	Abstract

The mechanical properties of brittle polymers are improved by blending with rubbers. Due to C=C in the rubber structure, polymer/rubber blends have poor thermal and oxidative resistance. In this research, the mechanical and physical properties including the morphology of poly(methyl methacrylate-co-styrene) sheet modified by blending with hydrogenated natural rubber were investigated. The optimum styrene content in copolymer sheets for improving the mechanical properties was 20% (w/w) and inclusion of hydrogenated natural rubber at 1% (w/w) exhibited a higher thermal resistance. This implies that hydrogenated natural rubber can be used as an impact modifier and thermal resistance improver for acrylic plastics.

First published on September 22, 2009
Journal of Elastomers and Plastics 2009, doi:10.1177/0095244309345407


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