Internal mold release agents and the use thereof in the producti

Details Internal mold release agents and the use thereof in the producti Internal mold release agents and the use thereof in the producti

1991-04-22

1992-06-30

Welsh, Maurice J.

Compositions: coating or plastic

Coating or plastic compositions

Fat, fatty oil, fatty oil acid or salt thereof containing

10628724, 10628725, 106287, 106 26, 25218213, 25218224, 25218228, 264 51, 2643281, 2643286, 2643288, 521113, 521163, 521170, 521172, 524724, 524728, 528 52, 528 68, 528 76, 528 80, 528 85, B29B 124, B29B 738, B29K 7500, C08L 7500

Patent

active

051259745

ABSTRACT:
The present invention is directed to a novel internal release agent for the production of polyurethane and/or polyurea elastomers, to an isocyanate reactive composition containing that release agent and to the use of the release agent in a RIM process. The release agent is the reaction product of i) a transester of a) a polyester derived from a polymerized fatty acid and either neopentyl glycol or 2,2,4-trimethyl-1,3-pentane diol and b) an acetoacetate and ii) an aliphatic monoisocyanate.

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