LATENTER HARDENER FOR AMINOPLASTIC RESINS, METHOD FOR THE PRODUCTION THEREOF AND THE AMINOPLASTIC RESINS CONTAINING THE HARDENER.

摘要

A latent curing agent for aminoplast resins produced by reacting diethanolamine with glycidol in a molar ratio of 1:(1 to 1.2) at 0 DEG to 90 DEG C. and then reacting the product with 0.5 to 1 mole of sulfur dioxide per mole of diethanolamine at 0 DEG to 90 DEG C.