Compositions of crystalline propylene polymers having a low...

Details Compositions of crystalline propylene polymers having a low... Compositions of crystalline propylene polymers having a low...

C - Chemistry, Metallurgy

08

L

400/6585

C08L 23/18 (2006.01) C08F 2/34 (2006.01) C08F 297/08 (2006.01) C08L 23/14 (2006.01)

Patent

CA 2052347

Discosed are compositions of crystalline propylene polymers comprising (by weight): A) 30-65% of a copolymer of propylene with a C4-C8 .alpha.-olefin, containing from 98 to 80% propylene; B) 35-70% of a copolymer of propylene with ethylene and optionally from 2 to 10% of a C4-C8 .alpha.-olefin, said copolymer containing 2 to 10% ethylene when the C4-C8 .alpha.- olefin is not present, and 0.5 to 5% ethylene when the C4-C8 .alpha.-olefin is present.

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