HARDENING AGENT

Japanese Patent JPS5643346

A

The invention relates to a chemical product produced by reacting a methylolamino compound and at least one polyhydric alcohol of functional derivative thereof; the said alcohol being selected from diols of formula I (wherein h and k, which may be the same or different, are integers the sum of which is from 12 to 20; k is greater than or equal to 3; and h is greater than or equal to 1) and gem-bis(hydroxymethyl) alcohols of formula II CH3CCH2)m[C(CH2OH)2]n(CH2)p[C(CH2OH)2]q(CH2)r[C(CH2OH)2]s(CH2)tCH2OH (II) wherein m, n, p, q, r, s and t are integers the sum of which is from 12 to 20; n, q, and s each has a value of 0 or 1 with the sum of n, q and s having a value of from 1 to 3; m, p and r, which may be the same or different, each has a value of from 0 to 16; and t has avalue of from 3 to 19. The invention further relates to a process for preparing the chemical product of the invention and compositions thereof. The chemical product of the invention is of particular use in the preparation of coating compositions.