英文名称: | - omega -hydroxypoly(oxy-1,2-ethanediyl), 1,1'-methylenebis[4-isocyanatocyclohe | xane], alpha, alpha'-[(1-methylethylidene)di-4,1-phenylene]bis[ omega -hydroxyp | oly[oxy(methyl-1,2-ethanediyl)]] and 2-oxepanone | propanoic acid, 3-hydroxy-2-(hydroxymethyl)-2-methyl-,polymer with alpha-hydro- omega -hydroxypoly(oxy-1,2-ethanediyl), |
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