C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
400/3080, 400/53
C08F 230/08 (2006.01) C08F 210/00 (2006.01) C08L 23/10 (2006.01) C08L 23/14 (2006.01) C08L 43/04 (2006.01) C08L 53/00 (2006.01)
Patent
CA 2033286
There is disclosed a homoplymer of an alkenylsilane having a syndiotactic structure and a copolymer of the alkenylsilane and an .alpha.-olefin. The polymer and the copolymer can be prepared by subjecting the alkenylsilane or the alkenylsilane and the .alpha.-olefin to addition polymerization in the presence of a transition metal compound having asymmetirically interconnected ligands or preferably in the presence of the transition metal compound and aluminoxane. The polymer and the copolymer can be used as a nucleating agent for a crystalline polypropylene.
Asanuma Tadashi
Kawanishi Kaoru
Matsuzawa Hiroshi
Nishimori Yukari
Fetherstonhaugh & Co.
Mitsui Chemicals Incorporated
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