Effect of different types of peroxides on rheological, mechanical, and morphological properties of thermoplastic vulcanizates based on natural rubber/polypropylene blends

被引：74
|
作者：
Thitithammawong, Anoma
Nakason, Charoen [1 ]
Sahakaro, Kannika
Noordermeer, Jacques
机构：
[1] Prince Songkla Univ, Fac Sci & Technol, Dept Rubber Technol & Polymer Sci, Pattani 94000, Thailand
[2] Univ Twente, Dept Rubber Technol, Fac Sci & Technol, NL-7500 AE Enschede, Netherlands
来源：
POLYMER TESTING | 2007年 / 26卷 / 04期
关键词：
thermoplastic vulcanizate; peroxide crosslinking; rheological properties; mechanical properties; morphological properties;
D O I：
10.1016/j.polymertesting.2007.02.002
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Influences of various types and concentrations of peroxides on the properties of thermoplastic vulcanizates based on natural rubber/polypropylene (PP) blends were investigated. The objective was to find a proper balance between the influences of degree of crosslinking of the rubber and degradation of the PP phase on the rheological, mechanical, and morphological properties. The typical crosslinking temperature and crosslink efficiency and also relative amounts of decomposition products of each peroxide play an important role in the properties of the TPVs. In this work, the TPVs prepared with DCP or DTBPIB give a superior overall balance of properties relative to the TPVs crosslinked with DTBPH or DTBPHY. (C) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：537 / 546
页数：10
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