1,3-Butanediol, polymer with alpha-hydro-omega-hydroxypoly(oxy(methyl-1,2-ethanediyl)), 5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane and alpha,alpha',alpha''-1,2,3-propanetriyltris(omega-hydroxypoly(oxy(methyl-1,2-ethanediyl))) 68140-72-7