Tin catalysts for use in rim polyol blends containing acidic int

Details Tin catalysts for use in rim polyol blends containing acidic int Tin catalysts for use in rim polyol blends containing acidic int

1993-05-20

1994-05-03

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521111, 521112, 524722, 524730, 524731, 524784, 528 53, 528 58, 25218224, 25218225, 25218226, 25218227, C08G 1814

Patent

active

053088808

ABSTRACT:
An active hydrogen-containing B-side composition for reaction with a polyisocyanate-containing A-side composition to make a polyurethane, polyurethaneurea and/or polyurea elastomer by reaction injection molding, which B-side composition comprises an acidic mold release composition, diethyltoluenediamine chain extender and, as a catalyst, a diorganotin dicarboxylate in which the carboxylate contains at least one alpha halogen atom.

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