Local thermal degradation behavior of heterophasic polypropylene copolymers

被引：0
|
作者：
Manabe, Norio [1 ]
Yokota, Yoshimitsu [1 ]
Nakatani, Hisayuki [2 ]
Suzuki, Shoutarou [3 ]
Liu, Boping [3 ]
Terano, Minoru [3 ]
机构：
[1] Research and Evaluation Center, Sumitomo Wiring Systems Co., Ltd., 1820 Nakanoike, Mikkaiti, Suzuka-si, Mie 513-8631, Japan
[2] Department of Bioengineering and Chemistry, College of Environmental Engineering and Architecture, Kanazawa Institute of Technology, 7-1 Ohgiga-oka, Nonoichi, Ishikawa 921-8501, Japan
[3] School of Materials Science, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Tatsunokuti, Ishikawa 923-1292, Japan
来源：
Journal of Applied Polymer Science | 2006年 / 100卷 / 03期
关键词：
Polypropylene (PP) impact copolymer is one of the heterophasic PP systems that is improved by rubber modification. Because the copolymer is a complicated polymer blend; which mainly consists of PP and ethylene-propylene rubber (EPR) components; the degradation behavior has hardly been studied. In this study; the thermal degradation of the copolymer was studied through direct observation by atomic force microscopy; which is a powerful tool for observing a local domain in a polymer blend. The deg radation behavior was visually captured by the mapping of topological changes. Although the EPR phase was hardly degraded; the neighboring PP matrix was degraded selectively. The degradation behavior of the copolymer was found to be heterogeneous. © 2006 Wiley Periodicals; Inc;
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页码：1831 / 1835
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