Process for producing integral skin molded foams

Details Process for producing integral skin molded foams Process for producing integral skin molded foams

1992-07-02

1994-08-30

Kight, III, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

521125, 521128, 521129, 521159, 521163, 521176, 264 455, 264 51, 264 54, 2643281, 2643286, 2643288, C08J 908, C08K 509

Patent

active

053428560

ABSTRACT:
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/m.sup.3 from organic polyisocyanates, polyether polyols, chain lengthening agents, water and optionally other auxiliary agents and additives.

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