Hexanedioic acid, polymer with 2-ethyl-2-(hydroxymethyl)-1,3-propanediol and 1,6-hexanediol, 2-propenoate, polymer with 1,6-diisocyanatohexane, dimethyl carbonate, 1,6-hexanediol, α-hydro-ω-hydroxypoly[oxy(methyl-1,2-ethanediyl)], 3-hydroxy-2-(hydroxymethyl)-2-methylpropanoic acid and sodium 2-[(2-aminoethyl)amino]ethanesulfonate (1:1), polyethylene-polypropylene glycol mono-Bu ether-blocked