Hexanedioic acid, polymer with 2-butyl-2-ethyl-1,3-propanediol, 2,2-dimethyl-1,3-propanediol, 3-hydroxy-2-(hydroxymethyl)-2-methylpropanoic acid, 2,2'-iminobis[ethanol], 5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane and 1,1'-methylenebis[4-isocyanatocyclohexane], polyethylene-polypropylene glycol mono-Bu ether-blocked