Deodorizing urethane foam and process for its production

Details Deodorizing urethane foam and process for its production Deodorizing urethane foam and process for its production

1989-03-22

1991-05-28

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521106, 521119, 521120, 521123, 521136, 524112, C08G 1814

Patent

active

050195999

ABSTRACT:
A deodorizing urethane foam comprising a urethane foam substrate and a deodorizing component. The deodorizing component is composed of (A) a Diels-Alder reaction-type addition reaction product between an alpha,beta-unsaturated dicarboxylic anhydride and an olefin or a derivative of the reaction product and optionally (B) a copper compound. This urethane foam is produced by foaming a mixture of materials for the urethane foam substrate and the Diels-Alder reaction-type addition reaction product between an alpha,beta-unsaturated dicarboxylic anhydride and an olefin or its derivative of the reaction product and optionally the copper compound.

REFERENCES:
patent: 3104205 (1963-09-01), Hainer et al.
patent: 3412111 (1968-11-01), Irwin et al.
patent: 3976590 (1976-08-01), Yaz et al.
patent: 4339550 (1982-07-01), Palinczar et al.

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