Fire retardant compositions

Details Fire retardant compositions Fire retardant compositions

A - Human Necessities

62

D

31/3

A62D 1/02 (2006.01) C07D 251/54 (2006.01) C07D 279/02 (2006.01) C08G 18/70 (2006.01) C08G 18/75 (2006.01) C08K 3/32 (2006.01) C08K 5/00 (2006.01) C08K 5/29 (2006.01) C08K 5/31 (2006.01) C08K 5/3492 (2006.01) C08L 75/04 (2006.01)

Patent

CA 2027256

The invention provides a fire retardant composition comprising a dispersion of a solid fire retardant such as melamine, ammonium polyphosphate or guanidine carbonate in a liquid organic polyisocyanate which contains dispersed polymer particles. The preferred content of solid fire retardant is from 10 to 100 % by weight and the preferred content of polymer particles is from 2 to 30 % by weight. The compositions of the invention are suitable for the preparation of flexible and rigid polyurethane foams.

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