C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/622
C08F 210/06 (2006.01)
Patent
CA 2015650
A syndiotactic polypropylene copolymer is dis- closed which comprises 70 to 99.9 mole% of propylene and 0.1 to 30 mole% of an olefin other than propylene; in the 13C-NMR spectrum of the syndiotactic polypropylene copolymer, a ratio of the intensity of a peak at about 20.2 ppm to the sum of the intensities of the total peaks attributable to methyl groups in propylene units at about 19-22 ppm being 0.3 or more.
Asanuma Tadashi
Iwatani Tutomu
Sasaki Tateyo
Shiomura Tetsunosuke
Uchida Osamu
Fetherstonhaugh & Co.
Mitsui Chemicals Inc.
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