| abstract |
A flame retardant composition especially useful for imparting flame retardancy to polyurethane foams includes: n na) major amount by weight of at least one phosphate ester flame retardant of the formula: n n nwherein n is 0 or 1 to about R 1 , R 2 , R 3 and R 4 each independently is a non-halogenated or halogenated alkyl or aryl group, and R 5 is a non-halogenated or halogenated alkylene or arylene group, provided, that when n is 1 to about 10, at least one of R 1 , R 2 , R 3 , R 4 and R 5 is substituted with at least one halogen atom; and, nb) a minor amount by weight of melamine. |