发明名称 |
MULTIMODALE POLYETHYLENZUSAMMENSETZUNG FÜR ROHRE MIT ERHÖHTER FLEXIBILITÄT |
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 weight average molecular weight than fraction (B);
(ii) the base resin has a density of 932 to 938 kg/m 3 ;
(iii) the polyethylene composition has an MFR 5 of 0.1 to 0.6 g/10 min ; and
(iv) the polyethylene composition has a shear stress · 2.7 kPa of 85 to 230 kPas. Furthermore, the present invention relates to an article, preferably a pipe comprising said composition and to the use of said composition for the production of an article, preferably a pipe. |
申请公布号 |
AT451577(T) |
申请公布日期 |
2009.12.15 |
申请号 |
AT20060020874T |
申请日期 |
2006.10.04 |
申请人 |
BOREALIS TECHNOLOGY OY |
发明人 |
BAECKMAN, MATS;AHLSTRAND, LARS-ERIK;HAGSTRAND, PER-OLA;PALMLOEF, MAGNUS |
分类号 |
F16L9/12;C08L23/04 |
主分类号 |
F16L9/12 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|