Process for preparing polyurethane molded part

Details Process for preparing polyurethane molded part Process for preparing polyurethane molded part

B - Operations, Transporting

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C

18/1193, 18/715

B29C 33/62 (2006.01) B29C 37/00 (2006.01) C08G 18/16 (2006.01) B29C 67/24 (2006.01)

Patent

CA 1148710

G. Mohiuddin - lX PROCESS FOR PREPARING POLYURETHANE MOLDED PART Abstract of the Disclosure: A reaction injection molding process for pro- ducing a coated polyurethane part in which a liquid mixture of polyurethane reactants is injected into a mold where it is reacted and molded into a shaped part at elevated temperatures. The surface of the mold is coated, prior to molding, with a coating composition containing from 0.05 to 10% by weight of a polyurethane catalyst. The catalyst acts to bond the coating comp- osition to the molded part so that the shaped part upon removal from the mold contains a firmly adherent coating of the coating composition. -1-

351310

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