Patent ID: 8093318
Filing Date: 2012-01-10
Classification: C08K

Abstract:
1. A flame retardant polyurethane resin composition comprising (A) 100 parts by weight of a polyurethane resin, (B) 5 to 25 parts by weight of a non-halogen flame retardant containing phosphorus and nitrogen, (C) 1 to 15 parts by weight of a polyhydric alcohol or derivative thereof, and (D) 1 to 15 parts by weight of a silicon compound selected from organoalkoxysiloxanes and organohydroxysiloxanes having a weight average molecular weight of 150 to 10,000 and containing per molecule 10 to 85% by weight in total of alkoxy or hydroxy groups, represented by the average compositional formula (1): wherein R 1 is each independently an optionally substituted alkyl, alkenyl or aryl group, X is C 1 -C 10 alkyl or hydrogen, α is a real number of 0.0 to 3.0, β is a real number of 0.1 to 3.0, and α+β<4.0.