Polyolefin compositions having high balance of stiffness and impact strength
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United States of America Patent
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Sep 26, 1995
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app pub date -
Aug 29, 1994
filing date -
Aug 30, 1993
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Abstract
Disclosed are polyolefin compositionshaving high balance of stiffness and impact strength, which comprise (percentage by weight): A) 30%-60% of a propylene homopolymer or copolymer; B) 14%-30% of a fraction comprising copolymers of propylene with ethylene; C) 10%-25% of a copolymer of ethylene with a C.sub.3 -C.sub.8 .alpha.-olefin; D) 5%-45% of a mineral filler.
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