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Zhou S, Hu M, Hu Y, Wang ZZ (2009) Polymer-Plastics Technology and Engineering 48(2), 193-200.
文章来源:WOS    作者:SKLFS    发布时间:2011-08-16

Zhou S, Hu M, Hu Y, Wang ZZ (2009) Influence of Coagents on the Silane Grafting and Cross-linking of Polypropylene. Polymer-Plastics Technology and Engineering 48(2), 193-200. [In English]

Web link: http://dx.doi.org/10.1080/03602550802634543

Keywords:

Coagents; Cross-linking; Polypropylene; Silane grafting; crystallization kinetics; maleic-anhydride; polyethylene; formulations; copolymers; extrusion; blends

Abstract: The grafting of vinyltrimethoxysilane (VTMS) onto polypropylene (PP) was carried out in a melt process, and the cross-linking in the hot water. The influence of coagents, i.e., styrene (St), divinylbenzene (DVB), triallyl isocyanurate (TAIC) and trimethylolpropane triacrylate (TMPTA) on the grafting degree, gel percentage, melt flow index (MFI) of the VTMS modified PP were investigated. It was found that the incorporation of the coagents influenced the grafting and cross-linking of VTMS. The crystallization behavior and crystal structure of the coagent assisted VTMS-cross-linked PP were studied by differential scanning calorimetry (DSC) and wide-angle X-ray diffraction (WXAD), respectively. The thermogravimetric analysis (TG) studies indicate that the thermal stability of VTMS-cross-linked PP was improved by the incorporation of coagents.

 
 
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Zhou S, Hu M, Hu Y, Wang ZZ (2009) Polymer-Plastics Technology and Engineering 48(2), 193-200.
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