Patent ID: 7307139

Claim:
A diamine compound represented by Formula 1 below: wherein A is a single bond, —O—, —COO—, —CONH—, or —OCO—; B is a single bond, —O—, —COO—, —CONH—, or —OCO—; the substituents C are independently a single bond, —O—, —COO—, —CONH—, or —OCO—; and the substituents D are independently a C 1-20 linear, branched or cyclic alkyl group which may be substituted with at least one halogen atom, or a functional group represented by Formula 2 below: wherein the substituents C′ are independently —O—, —COO—, —CONH—, or —OCO—; and the substituents D′ are independently a C 1-20 linear, branched or cyclic alkyl group, or a functional group represented by Formula 3 below: wherein the substituents C″ are independently —O—, —COO—, —CONH—, or —OCO—; and the substituents D″ are independently a C 1-20 liner, branched or cyclic alkyl group, or a functional group represented by Formula 4 below: wherein the substituents C″′ are independently —O—, —COO—, —CONH—, or —OCO—; and the substituents D″′ are independently a C 1-20 linear, branched or cyclic alkyl group.