发明授权
EP1931730B1 POLYETHYLENE COMPOSITION WITH IMPROVED STRESS CRACK RESISTANCE/STIFFNESS RELATION FOR BLOW MOULDING 有权
聚乙烯组合物具有改善的应力开裂/硬度关系吹注塑

POLYETHYLENE COMPOSITION WITH IMPROVED STRESS CRACK RESISTANCE/STIFFNESS RELATION FOR BLOW MOULDING
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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