| 摘要 |
PURPOSE:To improve the fastness of the dyestuff image formed by transfer to light by incorporating a polymer having four substd. hydrazine part structures within the molecule into the dyestuff fixing element. CONSTITUTION:This dyestuff fixing element contains the polymer having the four substd. hydrazine part structures in which all of the four hydrogen atoms of hydrazine are substd. by carbon atoms within the molecule. The most preferable polymer is the polymer having the ethylenic monomer unit expressed by formula as a constituting component. In the formula, R1 denotes a hydrogen atom, alkyl group; L denotes a bivalent combination group; R2 to R4 denote a substd. or unsubstd. alkyl group; n denotes 0 or 1. L, R2 to R4 may form a ring by combining each other. As a result, the excellent color fading preventive agent which prevents color fading by light of the org. dyestuff is obtd. in the method for forming the image by transferring the dyestuff. |
