Toughening Poly (Vinyl Chloride) by PS/PB/PMMA Three-Layer Particles

被引：12
|
作者：
Chen, Ming [1 ,2 ]
Wang, Shuo [1 ]
Zhou, Chao [2 ]
Liu, Zhe [1 ]
Zhang, Huixuan [2 ]
机构：
[1] PetroChina, Jilin Petrochem Co, Res Inst, Jilin 132021, Peoples R China
[2] Changchun Univ Technol, Engn Res Ctr Synthet Resin & Special Fiber, Minist Educ, Changchun, Peoples R China
来源：
POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING | 2013年 / 52卷 / 08期
基金：
中国国家自然科学基金;
关键词：
PVC; Three-layer core-shell particles; Toughness; Transparency; CORE-SHELL PARTICLES; BUTADIENE-STYRENE; POLY(VINYL CHLORIDE); RUBBER PARTICLES; POLY(METHYL METHACRYLATE); MECHANICAL-PROPERTIES; CRYSTALLINE POLYMERS; INTERNAL STRUCTURE; IMPACT MODIFIER; DEFORMATION;
D O I：
10.1080/03602559.2013.763359
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Three-layer core-shell structural nanoparticles, poly styrene/polybutadiene/poly (methyl methacrylate) (PSBM) were synthesized via emulsion graft polymerization method. The toughening efficiency of PSBM was compared with MBS(methyl methacrylate-butadiene-styrene copolymer) for PVC matrix. It was found that the large differences in impact strength between PSBM and MBS arised from the structure characteristics and cavitation ability of rubber. The higher tensile modulus of PVC toughened with PSBM was directly related to the presence of hard PS glassy domains in the core, which acted as stiffening agents. It was also found that the multi-interface layer of modifier particles was a disadvantage for obtaining transparency of blends.
引用
收藏
页码：814 / 819
页数：6
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