Effect of novel supported vulcanizing agent on the interfacial interaction and strain-induced crystallization properties of natural rubber nanocomposites

被引：28

作者：

Chen, Lijuan ^{[1
,2
]}

Guo, Xiaohui ^{[1
]}

Luo, Yuanfang ^{[1
]}

Jia, Zhixin ^{[1
]}

Bai, Jie ^{[1
]}

Chen, Yongjun ^{[1
]}

Jia, Demin ^{[1
]}

机构：

[1] South China Univ Technol, Dept Polymer Mat & Engn, Key Lab Guangdong High Property & Funct Macromol, Guangzhou 510640, Guangdong, Peoples R China

[2] Guangdong Univ Technol, Sch Mat & Energy, Dept Polymer Mat & Engn, Guangdong Prov Key Lab Funct Soft Condensed Matte, Guangzhou 510006, Guangdong, Peoples R China

来源：

POLYMER | 2018年 / 148卷

基金：

中国博士后科学基金; 中国国家自然科学基金;

关键词：

Functional nanoparticle; Natural rubber; Vulcanizing agent; Interfacial interaction; Strain-induced crystallization behaviors; SURFACE MODIFICATION; DYNAMIC PROPERTIES; CROSS-LINKING; SILICA; COMPOSITES; NETWORK; FILLER; REINFORCEMENT; DEFORMATION; ORIENTATION;

D O I：

10.1016/j.polymer.2018.06.058

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The influence of the novel vulcanizing agent, silica supported sulfur monochloride (silica-s-S), comparing with sulfur on the filler-rubber interfacial interaction, mechanical properties and the strain-induced crystallization behaviors were investigated. Due to the formation of interparticle domain, silica-s-S immobilized more rubber chains approaching its surface as the crosslinking points than sulfur vulcanization system. Furthermore, the tightly immobilized rubber chains on silica-s-S surface bring to the significant enhancement of mechanical properties of NR nanocomposites. Meanwhile, the immobilized rubber chains also induced the formation of highest initial crystallinity index and slower decreasing lateral crystallite size with increasing strain ratio. Silica-s-S with more tightly immobilized rubber chains approaching its surface shown better reinforcing effect and strain-induced crystallization behaviors on rubber than that of sulfur vulcanization system. (C) 2018 Published by Elsevier Ltd.

引用

页码：390 / 399

页数：10

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