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Full-PVC butanone synthetic method
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Paragraph 0024; 0053; 0054; 0055; 0059; 0060; 0061, (2017/08/02)
The invention relates to a synthetic method of perfluorocyclobutanone. According to the method, trifluorochloroethene (I) undergoes thermal polymerization to obtain a dimer (II); then, dechloridation is carried out to obtain hexafluorocyclobutene (III); and hexafluorocyclobutene is oxidized to obtain perfluorocyclobutanone (IV). According to the technology, a trifluorochloroethene synthesis route is used such that perfluorocyclobutanone is easier to prepare. In addition, the technology is safer and more stable; impurities are less; and yield and product quality are also increased correspondingly. The synthetic method is suitable for large-scale production.