Diepoxide reacted with a half ester from a dicarboxyic acid anhy

Details Diepoxide reacted with a half ester from a dicarboxyic acid anhy Diepoxide reacted with a half ester from a dicarboxyic acid anhy

1987-08-07

1989-01-10

Kight, John

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528297, 560 91, 560127, 560198, C08G 6342, C08G 5942

Patent

active

047974648

ABSTRACT:
A polyester polyol having the idealized structure: ##STR1## where R represents the residue of a polyepoxide after ring opening with a carboxylic acid group, R' represents the residue of a cyclic anhydride, n is a number of from 4 to 25, m represents the number of epoxy groups of the polyepoxide ring opened with carboxylic acid groups, and R" represents --H or --CH.sub.3.

REFERENCES:
patent: 4403093 (1983-09-01), Hartman et al.

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