Hexanedioic acid, polymer with 1,2-ethanediol, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol and 1,3-isobenzofurandione, 2-propenoate, polymer with 2,2-bis(hydroxymethyl)-1,3-propanediol polymer with 2-(chloromethyl)oxirane 2-propenoate, α,α'-(2,2-dimethyl-1,3-propanediyl)bis[ω-[(1-oxo-2-propen-1-yl)oxy]poly[oxy(methyl-1,2-ethanediyl)]], 1,1'-(1,6-hexanediyl) di-2-propenoate, α-hydro-ω-[(1-oxo-2-propen-1-yl)oxy]poly(oxy-1,2-ethanediyl) ether with 2-ethyl-2-(hydroxymethyl)-1,3-propanediol (3:1), and 2,4-pentanedione, reaction products with N-butyl-1-butanamine