abstract |
(57) [Summary]nPROBLEM TO BE SOLVED: To provide substantially colorless isophthalic acid compound, substantially Colorless, stable and good pigment dispersibility and fluidity Provided is a pigment dispersant that is realized and excellent in light transmittance.nSOLUTION: It is represented by the following general formula (1) An isophthalic acid compound containing the isophthalic acid compound Pigment dispersant [R 1 : H, halogen atom, nitro group, a Mino group, hydroxyl group, alkyl group, aryl group, alkoxy Group, aryloxy group, alkylamino group, dialkyl Amino group, heterocyclic group, acylamino group, acyloxy Group; A 1 ~ A Three : Alkylene group, arylene group, alkeni Len group; X 1 : Single bond, oxygen, N (R 6 ), NHCO, CO NH, OCO, CO 2 , CO, SO 2 NH, SO Three X 2 ~ X Three : Oxygen, N (R 7 ; R 2 ~ R 7 : H, alkyl group, al A kenyl group, an alkynyl group, and an aryl group].n[Chemical 1] |