Flame-and smoke-resistant flexible polyurethane foam and compres

Details Flame-and smoke-resistant flexible polyurethane foam and compres Flame-and smoke-resistant flexible polyurethane foam and compres

1977-03-16

1979-12-25

Cockeram, H. S.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

264 53, 264 54, 260553R, 260553A, 521903, C08G 1832, B29D 2700

Patent

active

041806310

ABSTRACT:
The flexible polyurethane foams having high flame resistance and smoke resistance can be produced by reacting a polyhydroxyl compound and a polyisocyanate with a urea derivative selected from the group consisting of

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patent: 3954899 (1976-05-01), Chang et al.

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