Method of preventing scorch in a polyurethane foam and product t

Details Method of preventing scorch in a polyurethane foam and product t Method of preventing scorch in a polyurethane foam and product t

1984-12-24

1985-10-15

Cockeram, Herbert S.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521128, C08G 1814, C08G 1830, C08G 1832

Patent

active

045475288

ABSTRACT:
Incorporation of from about 0.001% to about 5% of a mixture of an N-alkanoyl-N,N'-dialkyl-phenylenediamine compound (e.g. N-heptanoyl-N,N'-di-sec-butyl paraphenylenediamine) and a fluorescent brightener (e.g., a bis(benzoxazole) substituted thiophene) in a flame retarded polyurethane foam formulation stabilizes the formulation against scorching as the foam is formed therefrom.

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Chem. Abs. 65, 7340f (J. Lante, Ciba-Rundschau, 1964, p. 42).
Chem. Abs. 89, 11164b (Japan Kokai, 78/00262).

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