发明名称 |
POLYPROPYLENE RESIN MOLDED ARTICLE |
摘要 |
<p>The present invention provides a polypropylene-based resin molded article having an excellent balance of rigidity, heat resistance, and impact resistance, and, in particular, having high impact strength; a method for producing the polypropylene-based resin molded article; and a method for improving the impact resistance of a polypropylene-based resin molded article. The polypropylene-based resin molded article comprising a layered structure including layers A and B comprising a polypropylene-based resin, one of the layers A and B having a polypropylene chain orientation different from that of the other layer; and each of the layers A and B having a maximum absolute value of birefringence of 0.005 or more, the birefringences of the layers A and B being different from each other, one being positive and the other being negative.</p> |
申请公布号 |
EP2392458(A2) |
申请公布日期 |
2011.12.07 |
申请号 |
EP20100709784 |
申请日期 |
2010.01.12 |
申请人 |
NEW JAPAN CHEMICAL CO., LTD. |
发明人 |
YAMAGUCHI, MASAYUKI;UCHIYAMA, YOHEI;IKOMA, REIRA;IWASAKI, SHOHEI |
分类号 |
B32B27/32;B32B27/18;C08J5/00;C08K5/00;C08K5/098;C08K5/20;C08L23/10 |
主分类号 |
B32B27/32 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|