Method for producing flame- and smoke-resistant polyurethane foa

Details Method for producing flame- and smoke-resistant polyurethane foa Method for producing flame- and smoke-resistant polyurethane foa

1979-06-26

1981-01-20

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521136, 521158, 521163, 521164, 521167, 521903, 264 53, 264 54, C08G 1832, B29D 2700

Patent

active

042463610

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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