Polyvinyl chloride compositions plasticized with copolyesters

Details Polyvinyl chloride compositions plasticized with copolyesters Polyvinyl chloride compositions plasticized with copolyesters

1989-01-09

1989-10-24

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...

524316, 524317, C08K 511

Patent

active

048763047

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), Lamant et al.

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