METHOD FOR THE PREPARATION OF LIBERATION COMPOSITIONS OF THE MOLD WALL UNDERSTANDING A METAL SALT OF ORGANIC ACID AND A COMPANY OF GUANIDINE OR ISOURY

摘要

An internal mould release composition, suitable for use in the production of moulded articles by the RIM process, comprising : a) a metal salt of an organic acid, said metal salt having mould release properties, and b) a compatibilising amount of a guanidine or isourea compound of molecular weight below 1500.