Sulfurous acid, sodium salt (1:1), polymer with 5-amino-1,3,3-trimethylcyclohexanemethanamine, 2-butene-1,4-diol, 1,6-diisocyanatohexane, 5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane, 2-methyloxirane and 2-methyloxirane polymer with oxirane ether with 1,2,3-propanetriol (3:1), polyethylene-polypropylene glycol mono-Bu ether-blocked