Process for producing integral skin molded foams

C - Chemistry – Metallurgy – 08 – G

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C08G 18/48 (2006.01) B29C 67/20 (2006.01) C08G 18/16 (2006.01) C08G 18/66 (2006.01) C08J 9/00 (2006.01) C08J 9/34 (2006.01) C08K 5/098 (2006.01) C08K 5/17 (2006.01) B29C 67/22 (1990.01)

Patent

CA 2073294

Mo3754 LeA 28,502 PROCESS FOR PRODUCING INTEGRAL SKIN MOLDED FOAMS ABSTRACT OF THE DISCLOSURE The use of solutions of zinc carboxylates having 8 to 24 carbon atoms in aliphatic polyamines having molecular weights of from 131 to 500 having a total of 2 or 3 primary, secondary and/or tertiary amine nitrogen atoms as additives for the formation of a compact surface in the production of molded foams having a maximum gross density of 500 kg/m3 from organic polyisocyanates, polyether polyols, chain lengthening agents, water and optionally other auxiliary agents and additives. Mo3754

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