摘要 |
A polyester amide compound having a polycarboxylic acid unit in an amount of 25 to 50 mol %, the polycarboxylic acid unit containing an aromatic dicarboxylic acid unit represented by the following formula (I) in an amount of 70 mol % or more; a polyhydric alcohol unit in an amount of 25 to 50 mol %, the polyhydric alcohol unit containing an aliphatic diol unit represented by the following formula (II) in an amount of 70 mol % or more; and a structural unit represented by the following formula (III) in an amount of 0.1 to 50 mol %: wherein, in formula (I), Ar represents an arylene group; in formula (II), X represents a C2 to C20 alkylene group; and in formula (III), R represents a substituted or unsubstituted alkyl group or a substituted or unsubstituted aryl group.
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