Equation (1a), (1b), (1c) [wherein, the B and A, represents the polymer backbone independent of each other independently of each other, X 2 and X 1 is one or two or more -S -, - N -, - N = -, - N (R 5) -, S (O) -, - SO 2 -, - (CH 2 CH 2 -O) 1-5 -, - (CH 2 CH 2 CH 2 -O) 1-5 -, - C (O) -, - C (O) O -, - OCO -, (II), - CON (R 1) -, - C (NR 1 R 2 ) 2 -, - (R 1) NC (O) -, - C (S) R 1 - was substituted a single heteroatom, optionally at least or optionally, saturated or unsaturated, non-fused or selected from - -C 2 ~C 12 alkenylene or - -C 1 ~C 30 alkylene is terminated and suspended / or at the end of one or both non-aromatic condensation, or by an aromatic (heterocyclic) divalent group bonding group is case by C 1 ~C 30 alkyl, C 1 ~C 30 alkoxy, C 2 ~C 12 alkenyl, C 5 ~C 10 aryl, C 5 ~C 10 cycloalkyl, C 1 ~C 10 alkyl ( substituted C 5 ~C 10 arylene), halogen or hydroxy, and is a divalent group of non-fused saturated or unsaturated containing one heteroatom, or fused, aromatic or non-aromatic, at least R R 2 and 1, independently of one another, hydrogen C 1 ~C 14 alkyl polycyclic substituted or unsubstituted, linear or branched, or monocyclic, uninterrupted or interrupted The Y and Y 1 Yes C 5 ~C 10 alkyl (C 5 ~C 10 aryl) or C 2 ~C 14 alkenyl C 6 ~C 10 aryl C 6 ~C 10 aryl -C 1 ~C 10 alkyl or hydrogen One is a residue of an organic dye that at least one of Y 1 and Y 2 wherein independently of each other, residues of the organic dyes 2, An 3 and 1, An 2 An is is an anion independently of one another are b and a, is a number from 1 to 3 independently of one another are n, is a number of 0 to 5000 has the number of the 0~5000 m, and The p, is a number from 1 to 5000 polymer dye] is the sum of ≧ 3 m + n + p is disclosed herein. The dye is characterized by the depth of the shade, the good fastness to wash (for example, fastness to light that, shampooing, rub) and.式(1a)、(1b)、(1c)[式中、A及びBは、互いに独立してポリマー主鎖を表し;X1及びX2は、互いに独立して、1個又は2個以上の-S-、-N-、-N=-、-N(R5)-、S(O)-、-SO2-、-(CH2CH2-O)1-5-
