Polyurethane binder compositions and polyisocyanate...

Details Polyurethane binder compositions and polyisocyanate... Polyurethane binder compositions and polyisocyanate...

B - Operations, Transporting

22

C

22/158, 6/221, 4

B22C 1/22 (2006.01) B22C 1/20 (2006.01) C08G 18/08 (2006.01)

Patent

CA 1246776

IMPROVED POLYURETHANE BINDER COMPOSITIONS ABSTRACT OF THE DISCLOSURE An improved polyurethane binder system is provided which incorporates organic phosphorous compounds that impart longer bench life to the binders making them more useful for preparing moldable compositions such as foundry cores and molds. -22-

448499

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