LIQUID BLEND FOR REACTION INJECTION MOLDING, METHOD FOR PRODUCING REACTION INJECTION MOLDED BODY, AND REACTION INJECTION MOLDED BODY
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United States of America Patent
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Nov 26, 2015
app pub date -
Dec 18, 2013
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Dec 27, 2012
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Abstract
The present invention provides: a reaction injection molding liquid mixture comprising a norbornene-based monomer, a metathesis polymerization catalyst that includes tungsten as a center metal, an activator, and an ether compound represented by a formula (1), wherein R1 to R4 are independently an alkyl group having 1 to 6 carbon atoms, the reaction injection molding liquid mixture comprising the activator and the ether compound in a molar ratio (ether compound/activator) of 0.7/1 to 30/1. A reaction injection molding liquid mixture makes it possible to obtain a reaction injection molded product that has an excellent surface (surface state) and exhibits excellent strength while preventing a situation in which the resin remains on the surface of the mold when the resin is removed from the mold, a method for producing a reaction injection molded product using the same, and a reaction injection molded product obtained using the method.
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