英文名称: | 3-propanediol, 2,2-dimethyl- polymer with alpha-hydro- omega -hydroxypoly[ox | y(methyl-1,2-ethanediyl)] and 1,1'-methylenebis[4-isocyanatobenzene] | 1,3-propanediol, 2,2-dimethyl-, polymer withalpha-hydro- omega -hydroxypoly[oxy(methyl-1,2-ethanediyl)] and |
|