Catalyst for olefin polymerization and process for olefin polyme

Details Catalyst for olefin polymerization and process for olefin polyme Catalyst for olefin polymerization and process for olefin polyme

1997-08-20

2000-02-08

Wu, David W.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

5261241, 526161, 526129, C08F 464

Patent

active

060229349

ABSTRACT:
Disclosed are a catalyst for olefin polymerization comprising (A) a compound of a transition metal in Group IVB of the periodic table which contains a ligand having a cyclopentadienyl skeleton, (B) an organoaluminum compound and any one of (C1) a Br.phi.nsted acid; (C2) a material obtained by contacting (c-1) a magnesium compound with (c-2) an electron donor; and (C3) a material obtained by contacting (c-1) a magnesium compound, (c-2) an electron donor and (c-3) an organometallic compound with each other. Also disclosed are processes for polymerizing an olefin in the presence of the above-mentioned catalysts for olefin polymerization. Such catalysts and processes for olefin polymerization as described above are excellent in olefin polymerization activity and economical efficiency.

REFERENCES:
patent: 2987511 (1961-06-01), Arrigo
patent: 3678025 (1972-07-01), Birrell
patent: 5032562 (1991-07-01), Lo et al.
patent: 5324800 (1994-06-01), Welborn et al.
Handbook of Chemistry and Physics. The Chemical Publisher Co., Cleveland, OH, 53rd Ed. (1972) p. C-7.

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