The Effect of Core-Shell Structure on the Mechanical Properties of PS/PA LIPN

Abstract

Abstract: The effect of core-shell structure on the mechanical properties of PS/PA LIPN was systematically studied.Their dynamic mechanical and mechanical properties were investigated via changing feeding order and swelling time as well as using the method of multistage polymerization for interpene-tration.The results reveal that changing the feeding order leads to the change of core-shell structure.and then the great disparity in mechanical properties.The increase of swelling time and the use of multistage polymerization for interpenetrating evidently enhance the degree of interpenetration,therefore result in the inward shift of T_{g,/sub> and the improvement of mechanical properties.}

Key words: Interpenetrating polymer network, Polystyrene, Polyacrylate, Latex

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LI Yu-Wei, WANG Jing-Yuan, LIU Rui-Ying, TANG Xin-Yi . The Effect of Core-Shell Structure on the Mechanical Properties of PS/PA LIPN[J]. Chem. J. Chinese Universities, 1992, 13(12): 1617.

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The Effect of Core-Shell Structure on the Mechanical Properties of PS/PA LIPN

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