Hexanedioic acid, polymer with 1,4-butanediol, .alpha.-hydro-.omega.-hydroxypoly(oxy-1,4-butanediyl), .alpha.-hydro-.omega.-hydroxypoly(oxy-1,2-ethanediyl) and 1,1-methylenebis4-isocyanatocyclohexane
1,4-Benzenedicarboxylic acid, dimethyl ester, polymer with 1,2-ethanediol, alpha-hydro-omega-hydroxypoly(oxy-1,2-ethanediyl) and 1,2-propanediol, ester with alpha-methyl-omega-hydroxypoly(oxy-1,2-ethanediyl)