Flame resistant rigid polyurethane foams containing phosphorus a

Details Flame resistant rigid polyurethane foams containing phosphorus a Flame resistant rigid polyurethane foams containing phosphorus a

1994-11-04

1995-05-30

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521131, 521169, 521172, 521174, C08G 1806, C08G 1808

Patent

active

054201675

ABSTRACT:
There is now provided a closed cell rigid polyurethane foam having improved flame resistance by empolying a combination of an organo-phosphorus compound having at least two isocyanate reactive hydrogens with a secondary or tertiary mono-halogenated aliphatic hydrocarbon having three to six carbon atoms.

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