发明申请
US20070100014A1 Polypropylene, polypropylene resin composition and foamed article
审中-公开
聚丙烯，聚丙烯树脂组合物和泡沫制品
- 专利标题： Polypropylene, polypropylene resin composition and foamed article
- 专利标题（中）： 聚丙烯，聚丙烯树脂组合物和泡沫制品
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申请号： US11582965申请日： 2006-10-19
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公开(公告)号： US20070100014A1公开(公告)日： 2007-05-03
- 发明人: Kenichiro Yada , Akinobu Sakamoto
- 申请人： Kenichiro Yada , Akinobu Sakamoto
- 专利权人： SUMITOMO CHEMICAL COMPANY, LIMITED
- 当前专利权人： SUMITOMO CHEMICAL COMPANY, LIMITED
- 优先权： JP2005-312423 20051027
- 主分类号： B29C44/34
- IPC分类号： B29C44/34
摘要：
A polypropylene is disclosed which is a linear polypropylene having a ratio of a Z-average molecular weight Mz to a weight-average molecular weight Mw, Mz/Mw, determined by gel permeation chromatography of 4.1 or more, a swell ratio of from 1.4 to 1.8, and an activation energy of flow of from 48 to 105 kJ/(mol·K).
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