英语词汇“phthalic anhydride”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	phthalic anhydride
释义	phthalic anhydride noun : a crystalline cyclic acid anhydride C₆H₄(CO)₂O made usually by hot vapor-phase oxidation of naphthalene or ortho-xylene over a vanadium pentoxide catalyst and used chiefly in making alkyd resins and other polyester resins, phthalate esters for use as plasticizers and solvents, dyes, and intermediates
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