Polyesters derived from 2,2-dimethyl-4-methyleneglutaric acid an

Details Polyesters derived from 2,2-dimethyl-4-methyleneglutaric acid an Polyesters derived from 2,2-dimethyl-4-methyleneglutaric acid an

1986-02-06

1986-11-04

Phynes, Lucille M.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

524599, 528176, 528194, 528195, 528272, 528302, 528303, C08G 6302, C08G 6354

Patent

active

046211314

ABSTRACT:
Polyesters containing tertiary ester linkages and pendant methylene unsaturation along the polymer chain are prepared from dialkyl 2,2-dimethyl-4-methyleneglutarate by transesterification with sterically structured polyols, preferably neopentyl glycol. The resultant sterically hindered polyesters are useful as hardeners and resin binders for high solids coatings.

REFERENCES:
patent: 4523007 (1985-06-01), Schipfer et al.

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