Catalyst component for producing highly crystalline olefin polym

Details Catalyst component for producing highly crystalline olefin polym Catalyst component for producing highly crystalline olefin polym

1990-04-17

1992-12-22

Seccuro, Jr., Carman J.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525268, 525270, 525288, 525297, 525319, 525323, C08F29708

Patent

active

051735407

ABSTRACT:
A catalyst component for producing highly crystalline olefin polymers without causing any operational problems and stably and affording therefrom a film having very few occurrence of voids and a superior transparency, and a process for producing the catalyst component, which catalyst component comprises a linear olefin-non-olefin block copolymer having at least one linear olefin block copolymer and at leaast one non-linear olefin polymer block and (a) a titanium trichloride composition or (b) titanium, magnesium, a halogen and an electron donor as components for a carrier, the content of the linear olefin polymer block being 0.1 to 49.5% by weight, the content of the non-linear olefin polymer block being 0.01 to 49.5% by weight, the ratio by weight of the linear olefin polymer block to the non-linear olefin polymer block being 2/98 to 98/2 and in the case of (a), the content of the titanium trichloride composition being 99.89 to 1.0% by weight.

REFERENCES:
patent: 4210729 (1980-07-01), Hermans et al.
patent: 4210735 (1990-07-01), Hermans et al.
patent: 4582878 (1986-04-01), Chiba et al.
patent: 4603174 (1986-07-01), Okada et al.
patent: 4748207 (1988-05-01), Kakugo et al.
patent: 5061755 (1991-10-01), Suga et al.

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