基本信息:
- 专利标题： EXTRUDED POLYPROPYLENE RESIN FOAM AND PROCESS FOR PRODUCING THE SAME
- 专利标题（中）：挤出的聚丙烯树脂泡沫及其生产方法
- 申请号：US12678191 申请日：2008-09-12
- 公开(公告)号：US20110021650A1 公开(公告)日：2011-01-27
- 发明人： Toru Itadani , Masaaki Ono
- 申请人： Toru Itadani , Masaaki Ono
- 申请人地址： JP Tokyo
- 专利权人： Asahi Fiber Glass Company, Limited
- 当前专利权人： Asahi Fiber Glass Company, Limited
- 当前专利权人地址： JP Tokyo
- 优先权： JP2007-239779 20070914
- 国际申请： PCT/JP08/66600 WO 20080912
- 主分类号： C08J9/00
- IPC分类号： C08J9/00 ; C08F110/06
摘要：
An extruded polypropylene type resin foam having a high expansion ratio of at least 15 times and a closed cell ratio of at least 70% and excellent in the heat insulation property, and its production process, are provided.An extruded polypropylene type resin foam, which is produced by extrusion-foaming a polypropylene type resin composition containing a linear polypropylene type resin having a melt tension at 230° C. of from 5 to 30 g, by using a blowing agent containing at least a hydrocarbon type gas, and which has an expansion ratio of at least 15 times and a closed cell ratio of at least 70%.
摘要（中）：
提供了具有至少15倍的高膨胀率和至少70％的闭孔率和绝热性能优异的挤出聚丙烯类树脂泡沫体及其制造方法。 挤出聚丙烯型树脂发泡体，其通过使用含有至少一种以上的发泡剂挤出发泡含有230℃的熔融张力为5〜30g的线型聚丙烯类树脂的聚丙烯类树脂组合物 烃类气体，其膨胀率为至少15倍，闭孔率为70％以上。