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Improved Dispersion of Carbon Nanoparticles Modified by Poly(Sodium 4-Styrenesulfonate) and Its Influence on the Properties of Natural Rubber Latex

文献类型： 外文期刊

作者： He, Xuelian 1 ; Peng, Zheng 2 ; Han, Jingjie 1 ; Li, Puwang 2 ; Xu, Haiyan 1 ; Wu, Chifei 1 ;

作者机构： 1.E China Univ Sci & Technol, Polymer Alloy Lab, Shanghai 200237, Peoples R China

2.Chinese Acad Trop Agr Sci, Agr Prod Proc Res Inst, Chinese Agr Minist, Key Lab Nat Rubber Proc, Zhanjiang, Peoples R China

关键词： dynamic mechanical properties;mechanical properties;natural rubber latex;reinforcement;sodium 4-styrenesulfonate;thermo-mechanical

期刊名称：JOURNAL OF MACROMOLECULAR SCIENCE PART B-PHYSICS （ 影响因子：1.504； 五年影响因子：1.388 ）

ISSN： 0022-2348

年卷期： 2011 年 50 卷 12 期

页码：

收录情况： SCI

摘要： A novel strategy of radical polymerization of sodium 4-styrenesulfonate on the surface of carbon black (CB) in the solid state was developed to prepare hydrophilic carbon nanoparticles (PNASS-CB). A high performance natural rubber latex (NRL)/PNASS-CB composite was produced by the latex compounding technique. Scanning electron microscope shows considerable improvement in the dispersion of PNASS-CB in rubber matrix. The lower degree of filler-filler networks and the stronger filler-rubber interaction of PNASS-CB in rubber matrix were confirmed by dynamic mechanical thermal analysis. Rheometric properties of NRL/PNASS-CB, like scorch time and optimum cure time, decreased. Tensile strength, tear strength, and elongation at break increased due to stronger interaction between the PNASS-CB and rubber matrix. Dynamic mechanical properties of the modified carbon nanoparticles further corroborated a significant contribution from the better dispersion and efficient load transfer of PNASS-CB on the static and dynamic mechanical properties of composites.

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