Catalyst olefin polymerization and process for olefin polymeriza

Details Catalyst olefin polymerization and process for olefin polymeriza Catalyst olefin polymerization and process for olefin polymeriza

1996-01-16

1997-12-30

Smith, Edward J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

502122, 502123, 502125, 502126, 502127, 526114, 5261241, 5261248, 5261249, 526141, 526142, 526143, 526160, C08F 4649, C08F 4648, C08F 1000

Patent

active

057031819

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.o slashed.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: 3161628 (1964-12-01), Dost et al.
patent: 3271381 (1966-09-01), Andersen et al.
patent: 3595849 (1971-07-01), Nokano et al.
patent: 3678025 (1972-07-01), Birrell
patent: 5032562 (1991-07-01), Lo et al.
patent: 5241025 (1993-08-01), Hlotky et al.

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