Copolyester plasticizers for polyvinyl chloride

Details Copolyester plasticizers for polyvinyl chloride Copolyester plasticizers for polyvinyl chloride

1987-04-23

1989-04-25

Lone, Werren B.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

524310, 540 89, 540 91, C07C, C07C

Patent

active

048249904

ABSTRACT:
Copolyester plasticizers useful for the formulation of PVC refrigerator gaskets which exhibit improved resistance to migration and marring and improved processing characteristics are provided. The copolyesters are obtained by reacting an acid component consisting of a mixture of a benzene dicarboxylic acid (or anhydride or methyl ester thereof) and an aliphatic C.sub.5-12 saturated dicarboxylic acid (or methyl ester) with an alcohol component consisting of a mixture of neopentyl glycol and ethylene glycol. An aliphatic C.sub.6-13 saturated monofunctional alcohol or aliphatic C.sub.6-13 saturated monocarboxylic acid terminating agent is also included in the reaction.

REFERENCES:
patent: 2647099 (1953-07-01), Smith
patent: 3202701 (1965-08-01), Young et al.
patent: 3331802 (1967-07-01), Huber et al.
patent: 4122057 (1978-10-01), Lamont et al.

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