| 摘要 |
<p>A polyester obtainable by copolymerizing a dicarboxylic acid component (A) comprising: (a) 10 to 90 mol% of isophthalic acid or an ester forming derivative thereof; (b) 10 to 60 mol% of a phenylenedi(oxyacetic acid) of formula [I]: <CHEM> wherein R<1>, R<2>, R<3> and R<4> each independently represents a hydrogen atom, an alkyl group of 1 to 6 carbon atoms, an alkoxy group of 1 to 6 carbon atoms, a phenyl group, a chlorine atom, a bromine atom or a fluorine atom, or an ester forming derivative thereof; and (c) 0 to 45 mol% of a naphthalenedicarboxylic acid or an ester forming derivative thereof; and a diol component (B). i</p> |
