Poly-.alpha.-olefins

Details Poly-.alpha.-olefins Poly-.alpha.-olefins

C - Chemistry, Metallurgy

08

F

402/624

C08F 10/14 (2006.01) C08F 10/08 (2006.01) C08F 110/08 (2006.01) C08F 110/14 (2006.01)

Patent

CA 2018145

Abstract: A poly-.alpha.-olefin of novel structure which is an addition polymer of an .alpha.-olefin having 4 carbon atoms or more, wherein (a) by the analysis of the peaks attributable to the side chain methylene groups directly bonded to the main chain in the 13C-NMR spectrum produced by the measurement in 1,2,4-trichloro-benzene, (i) a novel main peak not attributable to the isotactic structure thereof is positioned on the side of higher magnetic field than is the peak attributable to the isotactic structure, and (ii) the intensity of said main peak is 0.3 or more relative to the sum of the intensities of the total peaks attributable to the side chain methylene groups directly bonded to the main chain, and (b) the molecular weight measured by gel permeation chromatography and calculated as polypropylene is not less than 1,000.

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