聚氨酯改性聚醚多元醇
polyisocyanate polyaddition polyol
聚醚多元醇生产废水
polyetherpolyols production wastewater
聚醚多元醇开孔剂
polyether polyol cell opener
聚醚多元醇
polyether polyols
Polyglycol
Polyether polyol
PPG
Polyether-polyol
poyether polyols
polyether
polyether polyhydric alcohol
glycerol polyether
Pelyether polyols
polyether alcohol
polyol
polyether glycol
poly(ether glycol)s
聚醚多元醇生产污水
wastewater from producing polyether polyols
环氧树脂加成多元醇
Epoxy resin adduct polyol
含离子基团的多元醇
polyols containing ionic groups
高分子量聚醚多元醇
high molecular weight Polyether