Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1977-06-13
1979-04-17
Griffin, Ronald W.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
521117, 521123, 521126, 521129, 521131, 521160, 521901, 521902, 521906, C08G 1814, C08G 1824, C08J 900
Patent
active
041502078
ABSTRACT:
Urethane-modified carbodiimide-isocyanurate foams are prepared by catalytically condensing (a) an organic polyisocyanate with a polyol or (b) a quasi-prepolymer in the presence of a blowing agent and from 20 parts to 100 parts by weight of alumina trihydrate. The resulting foams are characterized by improved flame retardancy without loss in strength properties.
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Cenker Moses
Narayan Thirumurti
BASF Wyandotte Corporation
Dunn Robert E.
Griffin Ronald W.
Michaels Joseph D.
Swick Bernhard R.
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