| abstract |
A poly(phenylene ether) copolymer comprising first repeating units comprising a C<sub>1-6</sub>alkyl(C<sub>6</sub>-<sub>30</sub>cycloalkenyl) pendant group; second repeating units different from the first repeating units; and optionally, at least one terminal functional group comprising (meth)acrylate, styrene, -CH<sub>2</sub>-(C<sub>6</sub>H<sub>4</sub>)-CH=CH<sub>2</sub>, allyl, cyanate ester, glycidyl ether, anhydride, aniline, maleimide, an activated ester, or a combination thereof. |