发明授权
- 专利标题: POLYETHYLENE COMPOSITION WITH IMPROVED STRESS CRACK RESISTANCE/STIFFNESS RELATION FOR BLOW MOULDING
- 专利标题(中): 聚乙烯组合物具有改善的应力开裂/硬度关系吹注塑
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申请号: EP06806089.6申请日: 2006-10-06
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公开(公告)号: EP1931730B1公开(公告)日: 2010-12-29
- 发明人: SVEIN, Eggen , NORD-VARHAUG, Katrin , JOHANSEN, Geir, Morten
- 申请人: Borealis Technology Oy
- 申请人地址: P.O. Box 330 06101 Porvoo FI
- 专利权人: Borealis Technology Oy
- 当前专利权人: Borealis Technology Oy
- 当前专利权人地址: P.O. Box 330 06101 Porvoo FI
- 代理机构: Kador & Partner
- 优先权: EP05021884 20051007
- 国际公布: WO2007042217 20070419
- 主分类号: C08L23/04
- IPC分类号: C08L23/04
摘要:
The present invention relates to a polyethylene composition wherein (i) the composition has an MFR2 of 0.05 to 100 g/10min, (ii) the environmental stress crack resistance ESCR measured according to the FNCT at 12 MPa and 230C in hours and the E-modulus EM measured according to ISO 527-2: 1993 satisfy the following relation: ESCR > - 0.244 EM h/MPa + 416 h (I).
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