Polyurethanes prepared from polyoxyalkylenes containing alkaline

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...

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521174, 525125, 525453, 525454, 525460, 528 57, 528 67, 528 77, 528 78, 528 79, C08G 1814, C08G 1828

Patent

active

044684789

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: 4426300 (1984-01-01), Dexheimer et al.
patent: 4426301 (1984-01-01), Dexheimer et al.

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