Effects of coagulation processes on properties of epoxidized natural rubber

文献类型： 外文期刊

第一作者： Zeng Zong-Qiang

作者： Zeng Zong-Qiang;Yu He-Ping;Wang Qi-Fang;Guang, Lu

作者机构：

关键词： mechanical properties;rheology;rubber;thermal properties;vulcanization;LATEX;ACID

期刊名称：JOURNAL OF APPLIED POLYMER SCIENCE （ 影响因子：3.125； 五年影响因子：2.754 ）

ISSN：

年卷期：

页码：

收录情况： SCI

摘要： The epoxidized natural rubber (ENR) with epoxy group contents of 48.4% were coagulated with ethanol and steam and the structures, processing performances, antioxidative behaviors, cure characteristics, and dynamic mechanical properties were analyzed using infrared spectroscopy, rubber processing analyzer, thermogravimetric analyzer, rheometer, and dynamic thermomechanical analyzer, respectively. The results indicate that the ENR coagulated with ethanol (ENR-e) exhibits a compact structure and the contents of residual low-molecular-weight matters are higher than those of unconsolidated ENR coagulated with steam (ENR-s). Therefore, the processing performance and antioxidative behavior as well as the curing characteristics of ENR-e compound are poorer than those of ENR-s. Although the mechanical properties and wet skid resistance of ENR-s vulcanizate are poorer than those of ENR-e, the heat build-up or rolling resistance of ENR-s is better than that of ENR-e. (C) 2008 Wiley Periodicals, Inc.

分类号： O63

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