| 摘要 |
PROBLEM TO BE SOLVED: To provide a polypropylene cap causing no whitening even when the cap is made of a colored polypropylene including a coloring agent (other than white), and having performances including moldability, workability, plug-openability, impact resistance, or the like. SOLUTION: The polypropylene cap is made of a resin composition including 70 to 95 wt.% of a homopolypropylene and 5 to 30 wt.% of a modifier composed of a polyolefine-based elastomer, and has a flexural modulus of 800 to 2,000. COPYRIGHT: (C)2008,JPO&INPIT
|
