3 results about "Iodine pentafluoride" patented technology

A method for preparing a pentafluorosulfenyl aryl compound is disclosed. The method comprises reacting an aryl thioate, aryl thiol, or diaryl disulfide with iodine pentafluoride in the presence or absence of one or more additives to form an aryl sulfenyl pentafluoride, wherein the additive is selected from the group consisting of a fluoride salt, a non-fluoride salt, and an unsaturated organic compound.

The invention provides a method for preparing iodine pentafluoride through photocatalysis, which comprises the following steps: mixing silver iodide and iodine pentafluoride in a reactor, introducing mixed gas of fluorine and protective gas, carrying out photocatalytic reaction under the irradiation of ultraviolet light, and separating to obtain the iodine pentafluoride. The reaction speed of silver iodide and fluorine is increased by utilizing the photosensitive characteristic of silver iodide, so that the reaction efficiency of iodine pentafluoride preparation is improved, and the iodide-based iodine pentafluoride production process is efficient, economical and feasible. The reaction speed is increased by adopting a photocatalysis method, the reaction completion time is only 5 hours, and the energy utilization efficiency and the production efficiency are high; and the iodine pentafluoride is produced by using the silver iodide as the raw material, and the byproduct is high-value silver fluoride, so that the value-added utilization of the raw material is realized, and the economic benefit is good. The method is simple in technological process, mild and controllable in reaction process, good in stability and more beneficial to industrial production.

The invention provides a method for preparing iodine pentafluoride through photocatalysis, which comprises the following steps: mixing silver iodide, iodine pentafluoride and potassium iodide to obtain a mixed solution; the method comprises the following steps: under the condition of mixed gas of fluorine and protective gas, carrying out photocatalytic reaction under the irradiation of ultraviolet light, and then separating to respectively obtain iodine pentafluoride and silver fluoride. The reaction of the silver iodide and fluorine is accelerated by utilizing the photosensitive characteristic of the silver iodide, and meanwhile, the iodine pentafluoride and the silver fluoride with high additional values are prepared, so that the preparation reaction efficiency of the iodine pentafluoride is improved, and the iodine pentafluoride production process based on the iodide is efficient, economical and feasible. According to the method, the capacity of the reaction system on the silver iodide is improved by utilizing the potassium iodide, the byproduct high-value silver fluoride is produced in the process of producing the iodine pentafluoride, value-added utilization of the raw materials is realized, and the economic benefit is good; the silver iodide reaction speed is increased, silver fluoride can be selectively produced, and the product purity is high; the reaction process is mild and controllable, and the stability is good.