LIQUID FORMULATION FOR REACTION INJECTION MOLDING AND MANUFACTURING METHOD THEREOF

摘要

A liquid formulation for reaction injection molding for polymerizing a norbornene-based monomer in the presence of a metathesis polymerization catalyst including tungsten as a center metal, the liquid formulation containing a norbornene-based monomer, an activator of the catalyst, and an ether compound represented by formula (1):;;the liquid formulation being obtained by mixing the norbornene-based monomer and the activator in the presence of at least the ether compound. The liquid formulation for reaction injection molding of the present invention can be suitably used in the field of manufacture of reaction injection-molded articles. Further, the reaction injection-molded article of the present invention has excellent mechanical properties and finishing of surface of the manufactured articles, so that the reaction injection-molded article can be suitably used in applications of automobile parts, parts of housing facilities, and the like.

主权项

1. A liquid formulation for reaction injection molding for polymerizing a norbornene-based monomer in the presence of a metathesis polymerization catalyst comprising tungsten as a center metal, the liquid formulation comprising a norbornene-based monomer, an activator of the catalyst, and an ether compound represented by formula (1): wherein, each of R1, R2, R3 and R4 independently stands for a hydrogen atom or an alkyl group having from 1 to 6 carbon atoms; and each of R5 and R6 independently stands for an alkyl group having from 1 to 6 carbon atoms, with proviso that when R5 and R6 are a methyl group, at least one of R1 to R4 is an alkyl group having from 1 to 6 carbon atoms, the liquid formulation obtained by mixing the norbornene-based monomer and the activator in the presence of at least the ether compound.