| 英文同义词: | MDI/ polytetramethylene copolymer;Poly(oxy-1,4-butanediyl), alpha-hydro-omega-hydroxy-, polymer with 1,1'-methylenebis[4-isocyanatobenzene] (SN);Poly(oxy-1,4-butanediyl), .alpha.-hydro-.omega.-hydroxy-, polymer with 1,1-methylenebis4-isocyanatobenzene;POLYTETRAMETHYLENE-MDI COPOLYMER);Poly(oxy-1,4-butanediyl), α-hydro-ω-hydroxy-, polymer with 1,1'-methylenebis[4-isocyanatobenzene] |