单词 | polyethylene oxide |
释义 | polyethylene oxidenoun Any polymer in which the repeating unit is the group —OCH2CH2; especially any of a class of thermoplastics of high molecular weight made from ethylene oxide or ethylene glycol (usually by copolymerization of both) and used especially as water-soluble films. Origin1930s; earliest use found in Chemical Abstracts. |
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