PROCESS FOR PREPARING CHLORO-, BROMO-, IODO-PERFLUOROALKANES OR BROMO-IODOPERFLUOROALKOXYALKANES

摘要

the essence of the u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0: chlorine, bromine, u0439u043eu0434u043fu0435u0440u0444u0442u043eu0440u0430u043bu043au0430u043du044b or bromine, u0439u043eu0434u043fu0435u0440u0444u0442u043e - u0440u0430u043bu043au043eu043au0441u0438u0430u043bu043au0430u043du044b receive u0434u0435u043au0430u0440u0431u043eu043du0438u043bu0438u0440u043e based u0441u043eu043eu0442u0432u0435u0442u0441u0442u0432. chlorine, bromine or u0439u043eu0434u0430u043du0433u0438u0434u0440u0438u0434u043eu0432 u043fu0435u0440u0444u0442u043eu0440u043au0430u0440u0431u043eu043du043eu0432u044bu0445 acids. u0443u0441u043bu043eu0432u0438u00a0 reaction: 250 to 400 & deg; c, coal, u0433u0430u043bu043eu0433u0435 - nid metal group i or ii, tin or u043du0438u043au0435u043bu00a0, 1 - 30 mas.% of the u0443u0433u043bu00a0, or in the presence of bra or 12 0.5 to 20 mol.% of the original bromine or u0439u043eu0434u0430u043d u0433u0438u0434u0440u0438u0434u0430.u043au043eu043du0432u0435u0440u0441u0438u00a0 86 - 100%, exit 72.8 is 97.1%. 1, table 2). o yu