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Origin of epichlorohydrin
Epichlorohydrin as early as in 1854 by Berthelot treated with hydrochloric acid tablets glycerol, the first to discover and then use lye hydrolysis. Before and after the 1960s, in order to meet the development needs of the epoxy resin production, epichlorohydrin began to allyl chloride as raw materials as the main product production. At present, the industrial production methods epichlorohydrin propylene high temperature chlorination and acetic acid, propylene carbonate and French. Former Shell company by the United States in 1948 for the first time successfully developed and applied to industrial production, more than 90% of the world production of epichlorohydrin using the method. The latter by the former Soviet Academy of Sciences, and Japan's Showa Denko were successfully developed in 1980s.