Polyolefin compositions and blown films obtained therefrom
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United States of America Patent
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Jan 9, 2001
Grant Date -
N/A
app pub date -
Nov 10, 1999
filing date -
Dec 1, 1995
priority date (Note) -
Expired
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Abstract
Polyolefin compositions obtained by mixing: (A) A heterogeneous polyolefin composition itself comprising a fraction (A1) which is insoluble in xylene and a fraction (A2) which is soluble in xylene; (B) a polyolefin composition comprising a low density ethylene copolymer (B1) and a propylene copolymer (B2) of relatively high insolubility in xylene; and, optionally, (C) a branched propylene polymer. The films obtained with the said compositions show improved mechanical properties and impact strength when compared with polyethylene-based films.
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