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    • 4. 发明申请
    • PROCESS FOR PRODUCING 2, 3, 3, 3-TETRAFLUOROPROPENE
    • 生产2,3,3,3-四氯丙烯的方法
    • US20150005537A1
    • 2015-01-01
    • US14486125
    • 2014-09-15
    • ASAHI GLASS COMPANY, LIMITED
    • Shoji FURUTAYu Takeuchi
    • C07C17/269
    • C07C17/269C07C21/18
    • To provide an economically advantageous process for producing industrially useful HFO-1234yf efficiently and in a sufficiently controlled state by one reaction involving thermal decomposition, by using readily available raw material. A process for producing 2,3,3,3-tetrafluoropropene from a raw material composition containing chlorodifluoromethane and chloromethane, by a synthetic reaction involving thermal decomposition, which comprises (a) a step of supplying the chlorodifluoromethane and the chloromethane to a reactor, as preliminarily mixed or separately, in such amounts that the chloromethane would be in a ratio of from 0.01 to 3 mol to 1 mol of the chlorodifluoromethane, (b) a step of supplying a heat medium to the reactor, and (c) a step of bringing the heat medium in contact with the chlorodifluoromethane and the chloromethane in the reactor to form the 2,3,3,3-tetrafluoropropene.
    • 通过使用容易获得的原料,通过一种涉及热分解的反应,有效地并在足够受控的状态下提供经济上有利的工业生产工业上有用的HFO-1234yf方法。 通过涉及热分解的合成反应,由包含氯二氟甲烷和氯甲烷的原料组合物制备2,3,3,3-四氟丙烯的方法,其包括(a)将氯二氟甲烷和氯甲烷供应到反应器中的步骤如 预先混合或分开,使得氯甲烷的比例为0.01至3摩尔至1摩尔氯代二氟甲烷,(b)将热介质供应至反应器的步骤,和(c) 使热介质与反应器中的氯二氟甲烷和氯甲烷接触以形成2,3,3,3-四氟丙烯。
    • 5. 发明申请
    • FLUOROALKYL IODIDE AND ITS PRODUCTION PROCESS
    • 氟代碘及其生产工艺
    • US20140171697A1
    • 2014-06-19
    • US14103072
    • 2013-12-11
    • Asahi Glass Company, Limited
    • Shoji FURUTAYusuke SUGAHARAKeiko NAKASEKeisuke MORI
    • C07C19/16
    • C07C19/16C07C17/278
    • A process for producing a fluoroalkyl iodide as a telomer Rf(CF2CF2)nI (wherein Rf is a C1-10 fluoroalkyl group, and n is an integer of from 1 to 6) by telomerization from a fluoroalkyl iodide represented by the formula RfI (wherein Rf is as defined above) as a telogen and tetrafluoroethylene (CF2CF2) as a taxogen, which comprises a liquid phase telomerization step of supplying a homogeneous liquid mixture of the telogen and the taxogen from the lower portion of a tubular reactor, moving the mixture from the lower portion towards the upper portion of the reactor in the presence of a radical initiator over a retention time of at least 5 minutes while the reaction system is kept in a liquid phase state under conditions where no gas-liquid separation will take place, so that the taxogen supplied to the reactor is substantially consumed by the reaction in the reactor, and drawing the reaction product from the upper portion of the reactor.
    • 通过由式RfI表示的氟代烷基碘(其中Rf为(CF 2 CF 2)n I(其中R f为C 1-10氟烷基,n为1至6的整数)通过调聚而制备氟代烷基碘的方法 Rf为如上所定义),作为脱色酶的四环素(CF2CF2),其包括液相调聚步骤,从管状反应器的下部供应前体和衍生物的均匀液体混合物,将混合物从 在自由基引发剂的存在下,在保持时间至少5分钟的同时反应体系在不发生气液分离的条件下保持在液相状态下的反应器上部的下部,因此 提供给反应器的税主体基本上被反应器中的反应消耗,并从反应器的上部抽出反应产物。