| abstract |
PROBLEM TO BE SOLVED: To provide a light-resistant additive excellent in ultraviolet absorbing ability, wetting function and colorant stabilizing function and an ink composition containing the additive. A benzophenone derivative represented by formula (1). (In the formula, Y 1 , Y 2 , Y 3 represent H, OH, etc., R represents a C 1-30 alkylene group, C 6-30 arylene group, etc., X represents —O—, —CO—, etc. Y represents a C 1-20 alkyl group containing 1 to 10 OH groups, and m and n represent an integer of 0 to 6.) [Selection figure] None |