초록 ▼

Disclosed herein are a copolymerized polyester produced 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) represented by the formula [I]: [Figure] [I] (wher

Disclosed herein are a copolymerized polyester produced 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) represented by the formula [I]: [Figure] [I] (wherein R1, R2, R3, and R4 each represent a hydrogen atom, an alkyl group having 1 to 6 carbon atom, an alkoxy group having 1 to 6 carbon atom, 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); and a polyester composition containing the copolymerized polyester.

대표청구항 ▼

A polyester composition comprising: (i) a copolymerized polyester produced 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) represented by the formula [I]:

A polyester composition comprising: (i) a copolymerized polyester produced 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) represented by the formula [I]: [Figure] [I] (wherein R1, R2, R3 and R4 each represent a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, an alkoxy group having 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); and (ii) a polyester containing polyethylene terephthalate as the main constituent.