发明名称 |
Pipe of high stiffness comprising a heterophasic polymer composition |
摘要 |
<p>The present invention relates to a heterophasic polymer composition which comprises (i) a matrix comprising a propylene homopolymer and/or a propylene copolymer having an amount of comonomer units of less than 1.0 wt%, and (ii) an elastomeric polypropylene which is dispersed within the matrix and comprises comonomer units derived from ethylene and/or a C4 to C12 alpha-olefin; and wherein the heterophasic polymer composition has an amorphous fraction AM in an amount of 2.0 to 7.5 wt%, and the amorphous fraction AM has an amount of ethylene- and/or C4 to C12 alpha-olefin-derived comonomer units of 20 to 45 wt%.</p> |
申请公布号 |
EP2145923(B1) |
申请公布日期 |
2011.03.30 |
申请号 |
EP20080160542 |
申请日期 |
2008.07.16 |
申请人 |
BOREALIS AG |
发明人 |
MALM, BO;RUEMER, FRANZ;WOLF, ANDREAS;SUNDHOLM, TUA |
分类号 |
C08L23/12;C08L23/14 |
主分类号 |
C08L23/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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