| 摘要 |
Polymers and copolymers derived from at least 20 mole percent 1,4-cyclohexanedicarboxylic acid of which at least 80 mole percent is trans-1,4-cyclohexanedicarboxylic acid, up to 80 mole percent terephthalic acid, terephthalic acid substituted with 1 or 2 chlorine or bromine atoms or an alkyl group containing 1 to 4 carbon atoms, 2,6-naphthalenedicarboxylic acid, 2,6-naphthalenedicarboxylic acid substituted with 1 or 2 chlorine or bromine atoms or an alkyl group containing 1 to 4 carbon atoms, at least 20 mole percent phenylhydroquinone, 0-45 mole percent hydroquinone and 0-35 mole percent of a hydroquinone substituted with 1 or 2 chlorine or bromine atoms or an alkyl group containing 1 to 4 carbon atoms.
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