Invention Grant
US07875691B2 Polyethylene composition with improved stress crack resistance/stiffness relation for blow moulding
失效
具有改善应力开裂性/吹塑成型刚度关系的聚乙烯组合物
- Patent Title: Polyethylene composition with improved stress crack resistance/stiffness relation for blow moulding
- Patent Title (中): 具有改善应力开裂性/吹塑成型刚度关系的聚乙烯组合物
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Application No.: US12089263Application Date: 2006-10-06
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Publication No.: US07875691B2Publication Date: 2011-01-25
- Inventor: Eggen Svein , Katrin Nord-Varhaug , Geir Morten Johansen
- Applicant: Eggen Svein , Katrin Nord-Varhaug , Geir Morten Johansen
- Applicant Address: FI Porvoo
- Assignee: Borealis Technology Oy
- Current Assignee: Borealis Technology Oy
- Current Assignee Address: FI Porvoo
- Agency: Fay Sharpe LLP
- Priority: EP05021884 20051007
- International Application: PCT/EP2006/009684 WO 20061006
- International Announcement: WO2007/042217 WO 20070419
- Main IPC: C08F210/00
- IPC: C08F210/00 ; C08F8/00 ; C08L23/04
Abstract:
The present invention relates to a polyethylene composition wherein (i) the composition has an MFR2 of 0.05 to 100 g/10 min, (ii) the environmental stress crack resistance ESCR measured according to the FNCT at 12 MPa and 23° C. 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).
Public/Granted literature
- US20080269422A1 Polyethylene Composition with Improved Stress Crack Resistance/Stiffness Relation for Blow Moulding Public/Granted day:2008-10-30
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