Fire retardant foam materials

Details Fire retardant foam materials Fire retardant foam materials

1988-07-29

1990-10-02

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521155, 521906, C08J 900

Patent

active

049608037

ABSTRACT:
A method is provided for making a fire retardant rigid polyurethane foam. The method comprises reacting, in the presence of a non-metallic catalyst: (a) a polyol having a molecular weight between about 200 and about 6000; (b) polyisocyanate; (c) a foaming agent; (d) a surfactant; and (e) a single salt consisting of ammonium phosphate.

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patent: 4482582 (1984-11-01), Weisman
patent: 4497913 (1985-02-01), Roes et al.
patent: 4506040 (1985-03-01), Rals et al.
patent: 4569952 (1986-02-01), Radovich et al.
patent: 4614754 (1986-09-01), Christman
patent: 4664563 (1987-05-01), Christman
patent: 4792576 (1988-12-01), Nodelman

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