Refinement mannered null general expression of annular olefin open

摘要

PROBLEM TO BE SOLVED: To obtain the subject colorless polymer little in degradative deterioration by bringing the ring-opening metathesis polymer of a specific cyclic olefinic monomer or the hydrogenation product of the polymer into contact with a basic compound and an acidic compound to remove metal components and metal compound components originating from a polymerization catalyst and a hydrogenation catalyst contained in the polymer without bringing the polymer into contact with water. ;SOLUTION: This method for purifying the polymer comprises bringing the ring-opening metathesis polymer of a cyclic olefinic monomer of the formula [R¹ to R⁴ are each an aryl, etc.; (x) is 0-3] (e.g. 5-cyanobicyclo[2.2.1]hept-2-ene) or the hydrogenation product of the polymer into contact with a basic compound (e.g. methylamine) and an acidic compound (e.g. formic acid) without bringing it into contact with water to remove metal components and metal compound components originating from a polymerization catalyst [e.g. Ru(CHCHCPh₂)(PPh₃)₂ (Ph is phenyl) and a hydrogenation catalyst (e.g. rhodium acetate) contained in the polymer or the hydrogenation product.;COPYRIGHT: (C)1998,JPO