Method for the preparation of rigid reaction injection...

Details Method for the preparation of rigid reaction injection... Method for the preparation of rigid reaction injection...

B - Operations, Transporting

29

C

18/715

B29C 45/00 (2006.01) C08G 18/09 (2006.01) C08G 18/18 (2006.01) C08G 18/20 (2006.01) C08K 5/17 (2006.01)

Patent

CA 1282927

ABSTRACT OF THE DISCLOSURE A method for the preparation of a molded reaction injection molded rigid polyurethane modified polyisocyanurate polymer composition by injecting at least two streams into the mold cavity of a RIM machine to react at temperatures of from about ambient to about 140°C a reaction mixture comprising at least one stream of an organic di- or polyisocyanate and a second stream of a cyclic alkylene carbonate, a polyether polyol and a soluble adduct of a tertiary amine and a cyclic alkylene carbonate as catalyst.

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