Toughening of PVC via Blending of Core-Shell Polyacrylic-ester Copolymer and Epoxy Resin

Chem. J. Chinese Universities ›› 1993, Vol. 14 ›› Issue (4): 578.

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Toughening of PVC via Blending of Core-Shell Polyacrylic-ester Copolymer and Epoxy Resin

ZHANG Bao-Long¹, WANG Shu-Fang¹, HUANG Ji-Fu¹, DING Pei-Yuan¹, DU Zhong-Jie¹, SONG Mou-Dao², ZHANG Bang-Hua²

1. Departntent of Chemistry, Nankai University, Tianjin, 300071;
2. Institute of Polymer Chemistry, Nankai University, Tianjin, 300071

Received:1992-04-16 Revised:1992-07-23 Online:1993-04-24 Published:1993-04-24

Abstract

Abstract: Core-shell particles for toughening PVCwere prepared by sequential emulsion polymerization of butyl acrylate(BA), methyl methacrylate(MMA) and glycidyl methacrylate (GMA).Blending of these particles and small amounts of epoxy resin, including curing agent and accelerator, together with PVCgives materials with greatly enhanced impact strength at a optimized weight fraction.Dependence of impact strength and fracture morphology of the toughened PVCmaterial upon the variation of blending composition has been evaluated and discussed in terms of the fracture mechanisms.

Key words: Core-shell copolymer, Epoxy resin, PVC, Glycidyl methacrylate

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ZHANG Bao-Long, WANG Shu-Fang, HUANG Ji-Fu, DING Pei-Yuan, DU Zhong-Jie, SONG Mou-Dao, ZHANG Bang-Hua. Toughening of PVC via Blending of Core-Shell Polyacrylic-ester Copolymer and Epoxy Resin[J]. Chem. J. Chinese Universities, 1993, 14(4): 578.

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Toughening of PVC via Blending of Core-Shell Polyacrylic-ester Copolymer and Epoxy Resin

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