Titanium trihalide composition

Details Titanium trihalide composition Titanium trihalide composition

1975-02-12

1981-02-10

Smith, Edward J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

252429B, 252429C, 526128, 526139, 526140, 526141, 526142, 526153, C08F 466, C08F 1006

Patent

active

042502837

ABSTRACT:
A titanium trihalide component of an olefine polymerization catalyst is prepared by reacting together a titanium tetrahalide and an organo-aluminium compound, and treating the solid reaction product with a hydrocarbon solution of an alkyl aluminium dihalide. It is preferred that the solid reaction product is treated with a complexing agent, particularly an ether such as di-isoamyl ether before contacting with the alkyl aluminium dihalide. The titanium trihalide can then be used together with an organo-metallic compound to polymerize an olefine monomer, particularly propylene. The catalyst system may include further components in addition to the titanium trihalide and organo-metallic compound.

REFERENCES:
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patent: 3058970 (1962-10-01), Rust et al.
patent: 3213073 (1965-10-01), Coover et al.
patent: 3328375 (1967-06-01), Price
patent: 3357967 (1967-12-01), Wesslon
patent: 3732197 (1973-05-01), Kitagawa
patent: 3752797 (1973-08-01), Gordon et al.
patent: 3825524 (1974-07-01), Wada et al.
patent: 3960765 (1976-06-01), Shiga et al.
patent: 4007132 (1977-02-01), Rust et al.

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