公开(公告)号：US06177502B1

公开(公告)日：2001-01-23

申请号：US09217250

申请日：1998-12-21

申请人： Masao Hara ,  Masakatsu Ohsugi ,  Yushi Matsuda ,  Takahiro Tochioka ,  Daisaburo Adachi ,  Tetsuya Nakata

发明人： Masao Hara ,  Masakatsu Ohsugi ,  Yushi Matsuda ,  Takahiro Tochioka ,  Daisaburo Adachi ,  Tetsuya Nakata

IPC分类号： C08K300

CPC分类号： C08L53/00 ,  C08L23/14 ,  C08L23/16 ,  C08L2666/04

摘要： An injection molding composition includes: 100 parts by weight of a propylene-ethylene copolymer comprising a crystalline portion and a non-crystalline portion; and 17 to 33 parts by weight of inorganic particles capable of imparting at least one of rigidity and heat resistance to the propylene-ethylene copolymer. The propylene-ethylene copolymer has a melt flow rate of 15 to 50 g/10 min and a molecular weight distribution (Mw/Mn) of not less than 5. A crystalline ethylene polymer contained in the crystalline portion and a non-crystalline propylene-ethylene copolymer contained in the non-crystalline portion have a total amount ranging from 10 to 20% by weight.

摘要翻译： 注塑组合物包括：100重量份的包含结晶部分和非结晶部分的丙烯 - 乙烯共聚物; 和17〜33重量份能赋予丙烯 - 乙烯共聚物至少一种刚性和耐热性的无机颗粒。 丙烯 - 乙烯共聚物的熔体流动速率为15-50g / 10min，分子量分布（Mw / Mn）不小于5.结晶部分中含有的结晶乙烯聚合物和非结晶丙烯 - 非结晶部分中所含的乙烯共聚物的总量为10〜20重量％。