Polyester of a cyclic diacid anhydride with an epoxide

Details Polyester of a cyclic diacid anhydride with an epoxide Polyester of a cyclic diacid anhydride with an epoxide

1976-01-02

1978-06-13

Phynes, Lucille M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 25N, 260 25D, 260 37EP, 260 47EQ, C08G 6300

Patent

active

040948650

ABSTRACT:
The invention provides a process for the production of a polyester which comprises initiating a reaction between a poly-terminal epoxide, a mono-terminal epoxide and a cyclic diacid anhydride in the presence of a catalytically effective quaternary salt heating to a point at which the reaction becomes a self-sustaining exothermic reaction and controlling the reaction such that the temperature of the mixture is not reduced until after the exothermic reaction has begun to subside.

REFERENCES:
patent: 3213067 (1965-10-01), Pohl et al.
patent: 3370043 (1968-02-01), Milligan
patent: 3627720 (1971-12-01), Hinton et al.
patent: 3723390 (1973-03-01), Carpenter et al.
patent: 3766146 (1973-10-01), Thompson

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