Rigid Polymer Particle Toughened Polystyrene with no Effect on Its Transparency

Abstract

Abstract: Akind of rigid polymer microsphere with core shell structure was synthesized by multi step composite emulsion polymerization technique.The polystyrene(PS) composite with different particle sizes, concentration and core layer crosslinking agent of core shell particles were prepared.The impact strength and the transparency were studied which indicated that the best condition for toughening PSwas that the particle size was above 100nm, the particle content in PScomposite was in the range of2%-5% and the appropriate crosslinking density in core layer.The material toughness was improved two times higher than that of pure PSwhile the PStransparency was not affected

Key words: Polystyrene, Toughten, Emulsion polymerization

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TANG Jun, LIU Feng-Qi, JIN Mei-Hua, YANG Bai . Rigid Polymer Particle Toughened Polystyrene with no Effect on Its Transparency[J]. Chem. J. Chinese Universities, 2000, 21(12): 1925.

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Rigid Polymer Particle Toughened Polystyrene with no Effect on Its Transparency

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