Polypropylene resin compositions of high syndiotacticity and...

Details Polypropylene resin compositions of high syndiotacticity and... Polypropylene resin compositions of high syndiotacticity and...

C - Chemistry, Metallurgy

08

L

400/6585

C08L 23/16 (2006.01) C08F 297/08 (2006.01) C08L 23/12 (2006.01)

Patent

CA 2018666

Disclosed herein is a polypropylene resin composition of a high syndiotacticity comprising a substantial homopolymer of propylene, in which the ratio of the intensity of the peak attributable to the syndiotactic pentad bonds to the sum of the intensities of all the peaks attributable to the methyl groups in the spectrum of the methyl groups measured by 13C-NMR is 0.7 or more, and a copolymer of ethylene and propylene, and a preparation process thereof.

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