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Study on properties and structure of the gas- phase specialty polypropylene for washing machine
Author(s): 
Pages: 1-7
Year: Issue:  5
Journal: CHINA SYNTHETIC RESIN AND PLASTICS

Keyword:  聚丙烯乙丙共聚物洗衣机专用树脂分子结构相态结构;
Abstract: 以核磁共振碳谱、差示扫描量热法、凝胶渗透色谱、扫描电子显微镜和原子力显微镜等手段对聚丙烯共聚物进行结构与性能研究,发现气相法聚丙烯共聚物中含有更多的乙丙接点及多种乙丙嵌段结构,分子链柔性好.其分子量分布宽,乙丙橡胶的重均分子量较大,粒径较小,分散均一,对提高冲击强度有利.其结晶细密,结晶温度高、速度快,对提高刚性、改善加工性能有利.
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