发明名称 |
POLYETHYLENE COMPOSITION FOR PRESSURE PIPES WITH ENHANCED FLEXIBILITY |
摘要 |
The present invention relates to a polyethylene composition comprising a base resin which comprises (a) an ethylene homo- or copolymer fraction (A); and (b) an ethylene homo- or copolymer fraction (B), wherein (i) fraction (A ) has a lower average molecular weight than fraction (B); (ii) the base resi n has a density of 940 to 947 kg/m3; (iii) the polyethylene composition has an MFR5 of 0.1 to 0.5 g/10 min; and (iv) the polyethylene composition has an SHI(2.7/210) of 10 to 49. Furthermore, the present invention relates to an article, preferably a pipe comprising said composition and to the use of sai d composition for the production of an article, preferably a pipe. |
申请公布号 |
CA2665279(A1) |
申请公布日期 |
2008.04.10 |
申请号 |
CA20072665279 |
申请日期 |
2007.09.28 |
申请人 |
BOREALIS TECHNOLOGY OY |
发明人 |
PALMLOF, MAGNUS;BACKMAN, MATS;HAGSTRAND, PER-OLA;AHLSTRAND, LARS-ERIK |
分类号 |
F16L9/12;C08L23/04 |
主分类号 |
F16L9/12 |
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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