公开(公告)号：US20100080979A1

公开(公告)日：2010-04-01

申请号：US12451096

申请日：2007-09-28

申请人： Yasuji Kanamitsu ,  Kiminori Sato ,  Satoru Tominaga ,  Atsushi Wada ,  Hiroyuki Hirano

发明人： Yasuji Kanamitsu ,  Kiminori Sato ,  Satoru Tominaga ,  Atsushi Wada ,  Hiroyuki Hirano

IPC分类号： B32B27/28

CPC分类号： B29C44/0415 ,  B29K2023/12 ,  B29K2105/04 ,  B29L2031/3014 ,  C08J9/0061 ,  C08J9/06 ,  C08J2323/12 ,  C08J2491/00 ,  Y10T428/249993

摘要： [Problems] To provide: a polypropylene resin composition which can produce an expansion-molded article showing excellent low-temperature impact properties even when expanded at an increased expansion rate; an expansion-molded article using the polypropylene resin composition, which has excellent low-temperature impact properties, is light in weight, and has good appearance; and a process for producing the expansion-molded article.[Solution] Using a polypropylene resin composition comprising 100 weight of a polypropylene resin and 1 to 4 parts by weight of a polyethylene wax having a viscosity average molecular weight of 2400 to 3400, an expansion-molded article which is expanded at an expansion rate of 1.5 to 3 times is produced by injection expansion molding by means of a gas counter pressure technique.

摘要翻译： [问题]提供：即使以增大的膨胀率进行膨胀，也可以制造显示优异的低温冲击性的发泡成型体的聚丙烯树脂组合物; 使用具有优异的低温冲击性的聚丙烯树脂组合物的发泡成型品重量轻，外观美观; 和膨胀成型品的制造方法。 [溶液]使用包含100重量份聚丙烯树脂和1至4重量份粘均分子量为2400至3400的聚乙烯蜡的聚丙烯树脂组合物，膨胀模制品以膨胀速率 通过气体反压技术通过注射膨胀成型生产1.5至3倍。

公开(公告)号：US08920917B2

公开(公告)日：2014-12-30

申请号：US12451096

申请日：2007-09-28

申请人： Yasuji Kanamitsu ,  Kiminori Sato ,  Satoru Tominaga ,  Atsushi Wada ,  Hiroyuki Hirano

发明人： Yasuji Kanamitsu ,  Kiminori Sato ,  Satoru Tominaga ,  Atsushi Wada ,  Hiroyuki Hirano

IPC分类号： C08L91/06 ,  C08L23/10 ,  B32B5/18 ,  B32B27/32 ,  C08J9/06 ,  B29C44/04 ,  C08J9/00 ,  B29K23/00 ,  B29K105/04 ,  B29L31/30

CPC分类号： B29C44/0415 ,  B29K2023/12 ,  B29K2105/04 ,  B29L2031/3014 ,  C08J9/0061 ,  C08J9/06 ,  C08J2323/12 ,  C08J2491/00 ,  Y10T428/249993

摘要： A polypropylene resin composition which can produce an expansion-molded article showing excellent low-temperature impact properties even when expanded at an increased expansion rate; an expansion-molded article using the polypropylene resin composition, which has excellent low-temperature impact properties, is light in weight, and has good appearance; and a process for producing the expansion-molded article. Using a polypropylene resin composition comprising 100 weight of a polypropylene resin and 1 to 4 parts by weight of a polyethylene wax having a viscosity average molecular weight of 2400 to 3400, an expansion-molded article which is expanded at an expansion rate of 1.5 to 3 times is produced by injection expansion molding by means of a gas counter pressure technique.

摘要翻译： 即使在膨胀率增加的情况下，也可以制造显示出优异的低温冲击性的发泡成型品的聚丙烯树脂组合物; 使用具有优异的低温冲击性的聚丙烯树脂组合物的发泡成型品重量轻，外观美观; 和膨胀成型品的制造方法。 使用包含100重量份聚丙烯树脂和1至4重量份粘均分子量为2400至3400的聚乙烯蜡的聚丙烯树脂组合物，膨胀模制品以1.5至3的膨胀率膨胀 时间是通过气体反压力技术的注射膨胀成型而产生的。