Patent ID: 7671167

Claim:
A poly(arylene ether) copolymer, wherein the poly(arylene ether) copolymer is the product of oxidative copolymerization of monomers comprising a monohydric phenol and a dihydric phenol; wherein the poly(arylene ether) copolymer has an intrinsic viscosity of about 0.04 to about 0.15 deciliter per gram, measured at 25° C. in chloroform; wherein the poly(arylene ether) comprises, on average, about 1.8 to about 2 hydroxyl groups per molecule; wherein the poly(arylene ether) copolymer comprises about 10 to about 70 mole percent of copolymer chains comprising a terminal unit derived from the dihydric phenol; wherein the monohydric phenol comprises 2,6-dimethylphenol; and wherein the poly(arylene ether) copolymer comprises about 0.5 to about 1.5 weight percent of units derived from 3,3′,5,5′-tetramethyl-4,4′-biphenol.