高等学校化学学报 ›› 1993, Vol. 14 ›› Issue (4): 578.

• 研究论文 • 上一篇    下一篇

PVC与核壳结构聚丙烯酸酯及环氧树脂的共混增韧

张保龙1, 王淑芳1, 黄吉甫1, 丁培元1, 杜宗杰1, 宋谋道2, 张邦华2   

  1. 1. 南开大学化学系, 天津 300071;
    2. 南开大学高分子化学研究所, 天津 300071
  • 收稿日期:1992-04-16 修回日期:1992-07-23 出版日期:1993-04-24 发布日期:1993-04-24
  • 通讯作者: 黄吉甫

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. 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

摘要: 研究发现由分段乳液聚合丙烯酸丁酯、甲基丙烯酸甲酯、甲基丙烯酸缩水甘油酯制备的三层核壳结构共聚体和少量环氧树脂(含固化剂及促进剂)与PVC在适当配比下共混,可使改性PVC的抗冲击性能明显提高。考察了共混体系的组成与其冲击强度及断裂形态之间的关系。

关键词: 核壳结构共聚体, 环氧树脂, PVC, 甲基丙烯酸缩水甘油酯

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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