Elastomeric compositions comprising vinylaromatic block copolymer, polypropylene, plastomer, and low molecular weight polyolefin
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United States of America Patent
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Mar 5, 2013
Grant Date -
Jan 25, 2007
app pub date -
Jul 7, 2006
filing date -
Dec 17, 2004
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Abstract
A composition comprising:
- (i) at least one low molecular weight polyolefin;(ii) at least one block copolymer obtainable by selectively hydrogenating a block copolymer having terminal polymeric blocks of a vinyl aromatic monomer and a mid-block prepared originally with an olefin and subsequently hydrogenated;(iii) at least one polypropylene; and(iv) at least one plastomer, wherein the plastomer is an ethylene based polymer having a density of 0.86 g/cc to about 0.910 g/cc or a propylene based polymer having a heat of fusion (Hf) of 70 J/g or less.
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