Synthesis and Structure Control of A New Kind of Inelastomer Impact Modifier with Core-shell Structure and Impact Modification to PVC/CPE

Abstract

Abstract: A new kind of inelastomer impact modifier with a core-shell structure was synthesized by employing a multi-step composite emulsion polymerization technique, the size and morphology structure of the coreshell particles could be controlled by the multistep composite emulsion polymerization technique. The study of the impact strength and the elongation at break of the PVC/CPE blend with different contents of core-shell particles(C-S) indicated that the mechanical properties of PVC/CPE/C-Scomposite were the best when the concentration of the particle was 25%(mass fraction) which showed the different regularities and characteristics of elastomer toughening plastic.

Key words: Inelastomer impact modifier, Core-shell particle, Emulsion

TANG Jun, LI Wen-jiang, PAN Rong, YANG Bai . Synthesis and Structure Control of A New Kind of Inelastomer Impact Modifier with Core-shell Structure and Impact Modification to PVC/CPE[J]. Chemical Research in Chinese Universities, 2000, 16(2): 152-155.

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Synthesis and Structure Control of A New Kind of Inelastomer Impact Modifier with Core-shell Structure and Impact Modification to PVC/CPE

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