Process for the preparation of ultrahigh molecular weight polyet

Details Process for the preparation of ultrahigh molecular weight polyet Process for the preparation of ultrahigh molecular weight polyet

1996-02-26

1996-12-24

Smith, Edward J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

502110, 526352, C08F 4655, C08F 1002

Patent

active

055874401

ABSTRACT:
A process for the preparation of ultrahigh molecular weight polyethylene having a high bulk density by polymerization of ethylene in the presence of a mixed catalyst, the catalyst comprising an organic aluminum compound and a titanium component prepared by reduction of a Ti(IV) compound and after-treatment of the reduction product thereof with an organic aluminum compound.

REFERENCES:
patent: 2954367 (1960-09-01), Vandenberg
patent: 3058963 (1962-10-01), Vandenberg
patent: 3257368 (1966-06-01), Winkler et al.
patent: 3910870 (1975-10-01), Lutz et al.
patent: 4007132 (1977-02-01), Rust et al.
patent: 4250283 (1981-02-01), Caunt et al.
patent: 4547473 (1985-10-01), Hamilton et al.

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