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缩乙二醇醚
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缩乙二醇醚
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缩乙二醇醚
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polyethylene glycol
缩乙二醇醚
乙二醇缩合物的总称。结构通式为HO(CH2CH2O)nCH2CH2OH(n=1,2或3),常指2~4个乙二醇的缩合产品,依次称为二乙二醇醚(二甘醇)、三乙二醇醚(三甘醇)和四乙二醇醚(四甘醇),沸点分别为245.0℃、287.4℃和327.3℃。
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