Catalyst for olefin polymerization and process for...

Details Catalyst for olefin polymerization and process for... Catalyst for olefin polymerization and process for...

2006-11-28

2006-11-28

Choi, Ling-Sui (Department: 1713)

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S348000, C526S124300, C526S124200, C526S126000, C526S128000, C502S103000, C502S115000, C502S116000

Reexamination Certificate

active

07141634

ABSTRACT:
A catalyst for olefin polymerization comprising (A) a solid catalyst component which is prepared by causing (a) a magnesium compound, (b) a tetravalent titanium halide compound, and (c) an electron donor compound to come in contact with each other, (B) an organoaluminum compound of the formula R1pAlQ3-p, and (C) an organosilicon compound of the formula SiR2R3(OR4)(OR5), and (D) an organosilicon compound of the formula R6xSi(OR7)4-xexhibits a higher hydrogen activity than conventional catalysts.

REFERENCES:
patent: 5438110 (1995-08-01), Ishimaru et al.
patent: 6214939 (2001-04-01), Shinozaki et al.
patent: 57-63310 (1982-04-01), None
patent: 57-63311 (1982-04-01), None
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patent: 2-84404 (1990-03-01), None
patent: 10-158318 (1998-06-01), None

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