| abstract |
Acid half esters of the formula <IMAGE> wherein R is an aliphatic radical having 16 to 24 carbon atoms of Y1 and Y2 of a hydrogen and the other phenyl, of X1 and X2 of a hydrogen and the other methyl, of Z1 and Z2 of a hydrogen and the other the maleic acid residue or Phthalic acid residue, m1 and m2 each represent 0 or 1 and s1, s2, p1 and p2 are integers, in which the sum of s1 + s2 is 5 to 12 and the sum of p1 + p2 is 5 to 30. These compounds are suitable for a wide variety of purposes in textile application. In particular, they are used as auxiliaries in the dyeing of wool-containing fiber materials with anionic dyes or dye mixtures. |