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ketene n.【化學】1.乙烯酮。2.烯酮。

keto-

Alkyl ketene dimer 烷基烯酮二聚體

Depending upon reaction conditions, the product may be a polyketone formed b y addition polymerization of the ketene double bond . 隨著反應條件的不同,產物可以是由烯酮的雙鍵加成聚合得到的聚酮。