Development of thermoplastic elastomers based on maleated ethylene propylene rubber (m-EPM) and polypropylene (PP) by dynamic vulcanization

被引：55
作者：
Chatterjee, K. [1 ]
Naskar, K. [1 ]
机构：
[1] Indian Inst Technol, Ctr Rubber Technol, Kharagpur 721302, W Bengal, India
来源：
EXPRESS POLYMER LETTERS | 2007年 / 1卷 / 08期
关键词：
polymer blends and alloys; maleated ethylene propylene rubber; polypropylene; dynamic vulcanization; peroxide;
D O I：
10.3144/expresspolymlett.2007.75
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Dicumyl peroxide (DCP)-cured thermoplastic vulcanizates (TPVs) based on blends of maleated ethylene propylene rubber (m-EPM) and polypropylene (PP) using maleated-PP as a compatibilizer have been developed. Physical properties of these TPVs change significantly with concentrations of DCP and rubber/plastic blend ratios. Important correlations were obtained from rheometer delta torque values with various physical properties of the TPVs like tension set and crosslink density etc. Wide angle X-ray diffraction study confirms that concentration of DCP has a strong influence on the crystallinity of PP, which might affect the final physical properties of TPVs. The recyclability and ageing characteristics of these TPVs are also found excellent.
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页码：527 / 534
页数：8
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