ANTIFADING AGENT FOR INK JET AND PRINTED MATERIAL

摘要

PROBLEM TO BE SOLVED: To provide an antifading agent for ink jet capable of preventing color fading due to gas, and to provide a printed material using the antifading agent. SOLUTION: This antifading agent for ink jet comprises a polymer including 79-70 mol% of structural unit of the general formula (1): (CH2-CH(OH)) and 21-30 mol% of structural unit of the general formula (2): (CH2-CH(NH2)). The other objective printed material using the above antifading agent is provided.