Preparation of barium-alkoxide salts

Details Preparation of barium-alkoxide salts Preparation of barium-alkoxide salts

1980-04-22

1981-04-07

Garvin, Patrick

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

526173, 526181, C08F 448

Patent

active

042605199

ABSTRACT:
The characteristics of barium t-alkoxide salts used with organolithium compounds as catalyst complexes in the solution polymerization of unsaturated or oxirane monomers to make polymers such as rubbers is improved by reducing or eliminating the nitrogen content of the barium salt and, further, by using a certain mixture of tertiary carbinols and water in forming the barium salt. In certain instances water may be eliminated.

REFERENCES:
patent: 3629213 (1971-12-01), Onishi et al.
patent: 3846385 (1974-11-01), Hargis et al.
patent: 3992561 (1976-11-01), Hargis et al.
patent: 4020115 (1977-04-01), Hargis et al.
patent: 4033900 (1977-07-01), Hargis et al.
Fujio et al., "Copolymerization of Butadiene & Styrene", J. Chem. Soc., Japan, (1972), pp. 447-453.

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