PROBLEM TO BE SOLVED: To provide a compound which is low in environmental loads and free from the bleed out of a flame retardant, which imparts excellent flame retardancy, heat resistance and electric properties to a thermocurable resin composition even when the addition amount thereof is made smaller than before and which makes it possible to obtain a cured product excellent in heat resistance and electric properties.;SOLUTION: A polymerizable phosphorus-containing (poly)xylylene aryl ether compound shown by general formula (1) (wherein R1 is a residual group of a diphenylphosphinic acid derivative; W is an aromatic hydrocarbon group; R2 is an alkyl group or an aryl group; o is an integer of 0-4; n is a number of ≥1) is provided.;COPYRIGHT: (C)2011,JPO&INPIT
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