Process for polymerization of alpha-olefins

Details Process for polymerization of alpha-olefins Process for polymerization of alpha-olefins

1995-05-24

1997-12-23

Smith, Edward J.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Plural component system comprising a - group i to iv metal...

502103, 502119, 526114, 526116, 526119, 526128, 526137, 526151, 526152, 526153, 526160, 526943, 526348, 5263485, 5263484, 526282, 5263486, C08F 4648, C08F 4656, C08F 4655, C08F 1000

Patent

active

057007500

ABSTRACT:
A process for producing an alpha-olefin polymer, which comprises polymerizing an alpha-olefin in the presence of a catalyst formed from (A) a transition metal compound comprising (A-1) a transition metal atom, (A-2) a hetero atom-containing ligand containing a heteroatom selected from oxygen, sulfur, nitrogen and phosphorus capable of forming a bond with the transition metal atom, and (A-3) a ligand having a conjugated .pi. electron through which the ligand can be bonded to the transition metal atom (A-1), and (B) an aluminoxane. The transition metal compound may be pre-treated with (C) an organometallic compound, or (D) a halogen-containing inorganic compound of an element of Group III, IV or V of the periodic table.

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patent: 4542199 (1985-09-01), Kaminsky et al.
patent: 4701432 (1987-10-01), Wellborn
patent: 4704491 (1987-11-01), Tsutsui et al.
patent: 4791180 (1988-12-01), Turner
patent: 4808561 (1989-02-01), Wellborn
Matkovski, Polymer Science (USSR), vol. 16, No. 1 (1974), 207-215.

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