Liquid copolyester plasticizers derived from 1,4-butanediol...

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

C - Chemistry, Metallurgy

07

C

400/7064, 260/48

C07C 69/34 (2006.01) C07C 69/42 (2006.01) C08K 5/11 (2006.01)

Patent

CA 1297897

ABSTRACT OF THE DISCLOSURE 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.

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