Process for the preparation of flame resistant polyurethane...

Details Process for the preparation of flame resistant polyurethane... Process for the preparation of flame resistant polyurethane...

C - Chemistry, Metallurgy

08

L

400/5418, 400/54

C08L 75/04 (2006.01) C08G 18/40 (2006.01) C08G 18/65 (2006.01) C08K 3/32 (2006.01) C08K 5/31 (2006.01) C08L 61/00 (2006.01) C09K 21/14 (2006.01)

Patent

CA 1327249

PROCESS FOR THE PREPARATION OF FLAME RESISTANT POLYURETHANE COMPOSITIONS Abstract of Disclosure Flame resistant foams and other compositions containing polyurethane and/or polyisocyanurate groups are prepared by reacting an organic polyisocyanate with a polyol in the presence of flame retardants, catalysts, blowing agents as well as optionally chain extenders, cross-linkers auxiliaries and additives. The flame retardents comprise a phenol or melamine formaldehyde condensate, pentaerythritol as well as ammonium phosphate and preferably in addition dicyandiamide. -35-

557374

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