Carbonic acid, dimethyl ester, polymer with 5-amino-1,3,3-trimethylcyclohexanemethanamine, 1,6-diisocyanatohexane, 1,6-hexanediol, hydrazine, α-hydro-ω-hydroxypoly(oxy-1,4-butanediyl) and 5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane, polyethylene-polypropylene glycol mono-Bu ether-blocked