英文名称: | Hexanedioic acid polymer with 1,4-butanediol, 1,2-ethanediol, .alpha.-hydro-.omega.-hydroxypoly(oxy-1,4-butanediyl) and 1,1'-methylenebis(4-isocyanatobenzene) | Hexanedioic acid polymer with 1,4-butanediol,1,2-ethanediol,.alpha.-hydro-.omega.-hydroxypoly(oxy-1,4-butanediyl)and 1,1'-methylenebis(4-isocyanatobenzene) |
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