abstract |
[PROBLEMS] To provide an esterification reaction product that realizes a high water-holding capability and a high pigment dispersion. [MEANS FOR SOLVING PROBLEMS] There is provided an esterification reaction product obtained by esterification between dipentaerythritol and poly(12-hydroxystearic acid), which esterification reaction product exhibits a hydroxyl value of 20 to 70 mgKOH/g and an acid value of ≤ 3 mgKOH/g. |