Hexanedioic acid, polymer with 1,4-butanediol, 1,6-diisocyanatohexane, 1,2-ethanediamine, 5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane, α,α'-[(1-methylethylidene)di-4,1-phenylene]bis[ω-hydroxypoly[oxy(methyl-1,2-ethanediyl)]] and 2-methyloxirane, polyethylene-polypropylene glycol mono-Bu ether-blocked