Anionic polymerization catalyst compositions

Details Anionic polymerization catalyst compositions Anionic polymerization catalyst compositions

1990-10-26

1991-11-12

Garvin, Patrick P.

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

Catalyst or precursor therefor

Organic compound containing

502155, 502157, C08F 452

Patent

active

050648004

ABSTRACT:
A highly active anionic polymerization catalyst prepares butadiene polymers having a high 1,4-trans-dienyl content, the catalyst containing an organolithium compound, a barium, strontium or calcium compound, and trialkylaluminum compounds having at least 13 carbon atoms per molecule.

REFERENCES:
patent: 3526604 (1970-09-01), Wadsworth
patent: 3631006 (1971-12-01), Hawkins
patent: 4080492 (1978-03-01), de Zarauz
patent: 4092268 (1978-05-01), de Zarauz
patent: 4307218 (1981-12-01), Bingham et al.
patent: 4355156 (1982-10-01), Bingham et al.

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