| 发明名称 | Exterior automotive article with reduced paintability failure | ||
| 摘要 | Exterior automotive article comprising a composition comprising a polypropylene, an elastomeric copolymer, and a mineral filler, wherein said polypropylene (PP) has a comonomer content of equal or below 1.0 wt.-%, the comonomers are ethylene and/or at least one C4 to C20 a-olefin, and <2,1> erythro regiodefects of equal or more than 0.4 mol.-%, said elastomeric copolymer (EC) comprises units derived from ethylene and at least one C3 to C10 a-olefin, said composition (C) has a melt flow rate MFR2 (230° C.) in the range of 5 to 80 g/10 min. | ||
| 申请公布号 | US9150715(B2) | 申请公布日期 | 2015.10.06 |
| 申请号 | US201214002333 | 申请日期 | 2012.03.01 |
| 申请人 | BOREALIS AG | 发明人 | Tranninger Michael;Lederer Klaus |
| 分类号 | B62D29/04;B32B3/00;C08L23/08;C08F10/06;C08L23/12;C08F210/06 | 主分类号 | B62D29/04 |
| 代理机构 | Tarolli, Sundheim, Covell & Tummino LLP | 代理人 | Tarolli, Sundheim, Covell & Tummino LLP |
| 主权项 | 1. Exterior automotive article comprising a composition (C), said composition comprises a polypropylene (PP), an elastomeric copolymer (EC), and a mineral filler (F), wherein: (a) said polypropylene (PP) has (a1) a comonomer content of equal or below 1.0 wt. %, the comonomers are ethylene and/or at least one C4 to C20 α-olefin, and(a2) <2,1> erythro regiodefects of equal or more than 0.4 mol. % determined by 13C-NMR spectroscopy, (b) said elastomeric copolymer (EC) comprises units derived from (b1) ethylene, and(b2) at least one C3 to C10 α-olefin, (c) said composition (C) has a melt flow rate MFR2 (230° C.) measured according to ISO 1133 in the range of 1 to 80 g/10 min. | ||
| 地址 | Vienna AT | ||