Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1990-11-09
1991-10-15
Foelak, Morton
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
521123, 521128, 521166, 521906, 523179, C08J 914
Patent
active
050575457
ABSTRACT:
A fire retardant flexible polyurethane foam and method for its production are provided. The foam is prepared by reacting in the presence of a metallic catalyst and a non-metallic catalyst (a) a polyol having a molecular weight between about 1000 and about 9000; (b) a polyisocyanate; (c) a cross-linking agent; (d) a foaming agent; (e) a surfactant; (f) a halogenated hydrocarbon; (g) melamine powder; (h) antimony oxide; and (i) sodium borate.
REFERENCES:
patent: 4725457 (1988-02-01), Ward et al.
Milligan John
Muhl Laszlo A.
Omori Thomas T.
Fire Retardant Foam Technologies, Inc.
Foelak Morton
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