Patent ID: 8192649
Filing Date: 2012-06-05
Classification: B29K,C08F,C08G,C08L,H01M,Y02E

Abstract:
1. A method of preparing a capped poly(arylene ether) resin, comprising: reacting a capping agent with a blend of a first poly(arylene ether) resin and a second poly(arylene ether) resin; wherein the first poly(arylene ether) resin and the second poly(arylene ether) resin have intrinsic viscosities differing by at least 0.1 deciliters per gram, measured at 25° C. in chloroform; and wherein the capping agent is selected from the group consisting of acetic anhydride, propionic anhydride, isobutyric anhydride, acrylic anhydride, methacrylic anhydride, glycidyl acrylate, glycidyl methacrylate, acetyl chloride, benzoyl chloride, diphenyl carbonates, di(4-nitrophenyl)carbonate, acryloyl esters, methacryloyl esters, acetyl esters, phenylisocyanate, 3-isopropenyl-α,α-dimethylphenylisocyanate, cyanatobenzene, 2,2-bis(4-cyanatophenyl)propane, 3-(α-chloromethyl)styrene, 4-(α-chloromethyl)styrene, allyl bromide, and mixtures thereof.