Blends of a propylene/alpha-olefin copolymer with isotatic...

Details Blends of a propylene/alpha-olefin copolymer with isotatic... Blends of a propylene/alpha-olefin copolymer with isotatic...

C - Chemistry, Metallurgy

08

L

400/6574

C08L 23/12 (2006.01) C08L 23/10 (2006.01) C08L 23/14 (2006.01) C08L 23/16 (2006.01) C08L 23/18 (2006.01)

Patent

CA 1222087

TITLE BLENDS OF A PROPYLENE/.alpha.-OLEFIN COPOLYMER WITH ISOTACTIC POLYPROPYLENE ABSTRACT Blends of an isotactic propylene polymer with a copolymer of propylene with a C6-C12 .alpha.-olefin, wherein the mole proportion of the .alpha.-olefin in the copolymer is 10-55%; the crystallinity number of the copolymer is 10 to 37; and the sum of the mole proportion of .alpha.-olefin in the copolymer and the copolymer's crystallinity number is 20-65 are useful in a variety of applications requiring a broad range of properties from soft elastomers to rigid plastics, including spunbonded fiber materials, film, and adhesives.

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