Polyurethane prepared from a polyoxyalkylene containing an oxida

Details Polyurethane prepared from a polyoxyalkylene containing an oxida Polyurethane prepared from a polyoxyalkylene containing an oxida

1983-10-14

1984-09-04

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521130, 521157, 524714, 524718, 524719, 524775, 528 49, C08G 1814

Patent

active

044698208

ABSTRACT:
The oxidation promoting harmful effects of the presence of an alkaline catalyst in a polyoxyalkylene can be eliminated and the product made more resistant to oxidation especially at elevated temperatures by the incorporation therein of soluble salts of certain benzoic acid derivatives. The soluble salts can be formed by reaction with the alkali or alkaline earth metal ion derived from the alkaline catalyst utilized in the polymerization of the polyoxyalkylene.

REFERENCES:
patent: 3365402 (1968-01-01), Brenkman et al.
patent: 3415891 (1968-12-01), Turumaru et al.
patent: 4110227 (1978-08-01), Newkirk et al.
patent: 4118326 (1978-10-01), Login
patent: 4263167 (1981-04-01), Mago
patent: 4282387 (1981-08-01), Olstowski et al.

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