1,4-Butanediol-ethylene oxide-MDI-polyethylene glycol-propylene oxide copolymer 1,4-Butanediol, polymer with α-hydro-ω-hydroxypoly(oxy-1,2-ethanediyl), 1,1′-methylenebis[4-isocyanatobenzene], 2-methyloxirane and oxirane 1,4-Butanediol, polymer with α-hydro-ω-hydroxypoly(oxy-1,2-ethanediyl), 1,1′-methylenebis[4-isocyanatobenzene], methyloxirane and oxirane Benzene, 1,1′-methylenebis[4-isocyanato-, polymer with 1,4-butanediol, α-hydro-ω-hydroxypoly(oxy-1,2-ethanediyl), methyloxirane and oxirane Oxirane, methyl-, polymer with 1,4-butanediol, α-hydro-ω-hydroxypoly(oxy-1,2-ethanediyl), 1,1′-methylenebis[4-isocyanatobenzene] and oxirane Oxirane, polymer with 1,4-butanediol, α-hydro-ω-hydroxypoly(oxy-1,2-ethanediyl), 1,1′-methylenebis[4-isocyanatobenzene] and methyloxirane Poly(oxy-1,2-ethanediyl), α-hydro-ω-hydroxy-, polymer with 1,4-butanediol, 1,1′-methylenebis[4-isocyanatobenzene], methyloxirane and oxirane