Liquid copolyester plasticizers derived from 1,4-butanediol and

Details Liquid copolyester plasticizers derived from 1,4-butanediol and Liquid copolyester plasticizers derived from 1,4-butanediol and

1987-03-09

1987-10-06

Schofer, Joseph L.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524569, C08J 511

Patent

active

046983830

ABSTRACT:
Liquid copolyesters useful as plasticizers for vinyl resins are provided. The copolyesters are obtained by the esterification of specific aliphatic dicarboxylic acid ester mixtures with 1,4-butanediol and an aliphatic saturated monofunctional alcohol. The copolyesters have acceptably low solidification points; they are resistant to hydrocarbon extraction; and they impart good low-temperature flexibility to PVC compositions plasticized therewith.

REFERENCES:
patent: 3907863 (1975-09-01), Voss
patent: 4122057 (1978-10-01), Lamont et al.
patent: 4596886 (1986-06-01), Hasegawa et al.

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