Polyethylene composition with improved stress crack resistance/stiffness relation for blow moulding
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United States of America Patent
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Jan 25, 2011
Grant Date -
Oct 30, 2008
app pub date -
Oct 6, 2006
filing date -
Oct 7, 2005
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Expired
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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).
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