A polyamide compound containing: from 25 to 50 mol % of a diamine unit, which contains an aromatic diamine unit represented by the following formula (I), in an amount of 50 mol % or more; from 25 to 50 mol % of a dicarboxylic acid unit, which contains a linear aliphatic dicarboxylic acid unit represented by the following formula (II-1) and/or an aromatic dicarboxylic acid unit represented by the following formula (II-2), in an amount in total of 50 mol % or more; and from 0.1 to 50 mol % of a constitutional unit represented by the following formula (III):
wherein n represents an integer of from 2 to 18, Ar represents an arylene group, and R represents a substituted or unsubstituted alkyl group or a substituted or unsubstituted aryl group.
一种聚酰胺化合物,包含:25到50摩尔%的二胺单元,其中包含量为50摩尔%或更多的以下式(I)所表示的芳香族二胺单元;25到50摩尔%的二
羧酸单元,其中包含以下式(II-1)所表示的线性脂肪族二
羧酸单元和/或以下式(II-2)所表示的芳香族二
羧酸单元,总量为50摩尔%或更多;以及0.1到50摩尔%的以下式(III)所表示的构成单元:
其中n表示2到18的整数,Ar表示芳基基团,R表示取代或未取代的烷基基团或取代或未取代的芳基基团。