Trisubstituted triazines having the formula: wherein: X is O and n is 0 or 1, Y is OH, NH2 or CH2NH2, Q is P, P═O, CH or N, when Q is P, R is phenyl, when Q is P═O, Z is R or OR, and R is alkyl or phenyl, when Q is CH, Z is PO(R)2 or PO(OR)2, when Q is N, Z is R, and their uses as epoxy and cyclic carbonate polymer curing agents.