Polyurethane foams having low scorch discoloration

Details Polyurethane foams having low scorch discoloration Polyurethane foams having low scorch discoloration

1983-09-23

1984-10-16

Cockeram, Herbert S.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

252182, 521107, 521121, C08G 1814

Patent

active

044776004

ABSTRACT:
Polyurethane foams prepared with halogenated phosphoric acid flame retardant have low scorch and surface discoloration when prepared in the presence of a composition containing phenothiazine, 4,4'-thio-bis-(6-tertiary butyl meta cresol), and organophosphite.

REFERENCES:
patent: 4130513 (1978-12-01), Reale et al.
patent: 4143219 (1979-03-01), Hensch
patent: 4146687 (1979-03-01), Reale
patent: 4178420 (1979-12-01), Reale
patent: 4196268 (1980-04-01), Brown et al.
patent: 4235975 (1980-11-01), Preston et al.
patent: 4324865 (1982-04-01), Reale

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