Blends made from propylene ethylene polymers
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United States of America Patent
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Apr 17, 2007
Grant Date -
Jun 8, 2006
app pub date -
Jan 20, 2006
filing date -
Aug 12, 1997
priority date (Note) -
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Abstract
Polymer blend compositions of a first polymer component comprising an ethylene propylene copolymer and a second polymer component comprising an isotactic polypropylene copolymer. The first polymer component has a uniform distribution of both tacticity and comonomer between copolymer chains. Further, the first polymer component will exhibit a statistically insignificant intramolecular difference of tacticity.
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