Method for 1, 1, 1, 3, 3-pentafluoropropane
    1.
    发明授权
    Method for 1, 1, 1, 3, 3-pentafluoropropane 有权
    纯化1,1,1,3,3-五氟丙烷的方法

    公开(公告)号:US06191328B1

    公开(公告)日:2001-02-20

    申请号:US09202824

    申请日:1998-12-22

    IPC分类号: C07C1738

    摘要: HFC-245fa is effectively separated from the mixture comprising 1,1,1,3,3-pentafluoropropane (HFC-245fa) and HF through a purification process comprising contacting at least one extraction agent selected from the group consisting of (a) a compound corresponds to the general formula (I): CxFyHz, (b) a compound corresponds to the general formula (II): R1R2R3N, (c) an compound corresponds to the general formula (III): R4OR5 and (d) a compound corresponds to the general formula (IV): ClClmHn with a mixture comprising 1,1,1,3,3-pentafluoropropane and hydrogen fluoride so as to form a liquid mixture and separating the liquid mixture into two liquid layers, followed by obtaining an extraction agent phase including HFC-245fa and the extraction agent as the main components, and separatively recovering HFC-245fa from the extraction agent phase.

    摘要翻译: HFC-245fa通过纯化方法从包含1,1,1,3,3-五氟丙烷(HFC-245fa)和HF的混合物中有效地分离,包括使至少一种萃取剂与(a)化合物 对应于通式(I):CxFyHz,(b)化合物对应于通式(II):R1R2R3N,(c)化合物对应于通式(III):R4OR5和(d)化合物对应于 通式(IV):ClClmHn与包含1,1,1,3,3-五氟丙烷和氟化氢的混合物形成液体混合物并将液体混合物分离成两个液体层,然后获得提取剂相 包括HFC-245fa和萃取剂为主要成分,并从提取剂相中分离回收HFC-245fa。

    Process for producing 1,1,1,3,3-pentafluoro-propane and/or 1-chloro-3,3,3-trifluoropropene
    2.
    发明授权
    Process for producing 1,1,1,3,3-pentafluoro-propane and/or 1-chloro-3,3,3-trifluoropropene 有权
    制备1,1,1,3,3-五氟丙烷和/或1-氯-3,3,3-三氟丙烯的方法

    公开(公告)号:US06403847B1

    公开(公告)日:2002-06-11

    申请号:US09787545

    申请日:2001-03-20

    IPC分类号: C07C1725

    摘要: One or more materials selected from 1,1,1,3,3-pentachloropropane, 1,1,3,3-tetrachloropropene and 1,3,3,3-tetrachloropropene are used as the specific materials described above. Before submitting the materials and HF to a fluorination reaction, almost all water is removed from them. To continuously manufacture useful intended products efficiently as well as to prevent deactivation of the catalyst and the accumulation of organic substances with high boiling points when manufacturing said useful 1,1,1,3,3-pentafluoropropane and/or 1-chloro-3,3,3-trifluoropropene, by fluorinating the specific materials with HF in the presence of a catalyst.

    摘要翻译: 使用选自1,1,1,3,3-五氯丙烷,1,1,3,3-四氯丙烯和1,3,3,3-四氯丙烯的一种或多种材料作为上述具体材料。 在将材料和HF提交到氟化反应之前,几乎所有的水都从其中除去。为了有效地连续制造有用的预期产品,以及在制造所述有用的1时,防止催化剂失活和高沸点有机物质的积聚 ,1,1,3,3-五氟丙烷和/或1-氯-3,3,3-三氟丙烯,通过在催化剂存在下用HF氟化特定材料。

    Process for producing 1,1,1,3,3-pentafluoropropane
    3.
    发明授权
    Process for producing 1,1,1,3,3-pentafluoropropane 失效
    制备1,1,1,3,3-五氟丙烷的方法

    公开(公告)号:US06846963B2

    公开(公告)日:2005-01-25

    申请号:US10775167

    申请日:2004-02-11

    CPC分类号: C07C17/206 C07C19/08

    摘要: In a process for producing 1,1,1,3,3-pentafluoropropane which has a liquid-phase reaction step for fluorination of 1,1,1,3,3-pentahalopropane (wherein at least one of halogen atoms is not fluorine) with HF in the presence of antimony pentahalide catalyst in a reactor to obtain a reaction mixture comprising 1,1,1,3,3-pentafluoropropane and the antimony pentahalide catalyst, the fluorination is conducted at a reaction temperature less than 50° C.

    摘要翻译: 在制备1,1,1,3,3-五氟丙烷的方法中,其具有用于氟化1,1,1,3,3-五氢丙烷的液相反应步骤(其中卤素原子中的至少一个不是氟) 在反应器中在五锑酸五乙酯催化剂存在下用HF进行反应,得到包含1,1,1,3,3-五氟丙烷和五氢五锑化物催化剂的反应混合物,氟化反应温度低于50℃

    Process for producing 1,1,1,3,3-pentafluoropropane
    4.
    发明授权
    Process for producing 1,1,1,3,3-pentafluoropropane 有权
    制备1,1,1,3,3-五氟丙烷的方法

    公开(公告)号:US06472573B1

    公开(公告)日:2002-10-29

    申请号:US09601511

    申请日:2000-08-02

    IPC分类号: C07C1708

    摘要: A method of preparation for 1,1,1,3,3-pentafluoropropane (HFC-245fa) wherein the first process gives mainly 1,3,3,3-tetrafluoropropene (1234ze) by reacting 1-chloro-3, 3,3,-trifluoropropene (1233zd) with hydrogen fluoride in the gas phase and subsequently the second process gives 1,1,1,3,3-pentafluoropropane (HFC-245fa) by reacting 1,3,3,3-tetrafluoropropene (1234ze), separated as a component that does not contain hydrogen chloride from crude products obtained by the first process, with hydrogen fluoride in the gas phase. To provide a process that is capable of preparing economically HFC-245fa which does not require the separation of HFC-245fa and 1233zd.

    摘要翻译: 制备1,1,1,3,3-五氟丙烷(HFC-245fa)的方法,其中第一种方法主要通过使1-氯-3,3,3-三氟乙酸 (1233zd)和随后的第二种方法通过使1,3,3,3-四氟丙烯(1234ze)反应得到1,1,1,3,3-五氟丙烷(HFC-245fa), 作为不含有通过第一工序得到的粗产物的氯化氢的成分,与气相中的氟化氢分离。 提供一种能够经济地制备不需要分离HFC-245fa和1233zd的HFC-245fa的方法。

    Process for preparing fluorine-containing halogenated hydrocarbon compound
    6.
    发明授权
    Process for preparing fluorine-containing halogenated hydrocarbon compound 有权
    含氟卤代烃化合物的制备方法

    公开(公告)号:US06521802B1

    公开(公告)日:2003-02-18

    申请号:US10148415

    申请日:2002-05-29

    IPC分类号: C07C1708

    CPC分类号: C07C17/208 C07C17/206

    摘要: The present invention provides a process for preparing a fluorine-containing halogenated hydrocarbon compound by fluorinating, in a reaction field where an antimony halide compound represented by the general formula: SbClpF5−p  (I) wherein p is a value within a range from 0 to 2, and hydrogen fluoride and a halogenated hydrocarbon compound as a raw material exist, the halogenated hydrocarbon compound in a molar ratio of the antimony halide compound to hydrogen fluoride within a range from 40/60 to 90/10. According to this process, a fluorine-containing halogenated hydrocarbon compound (HFC), which is important as a substitute compound of CFC or HCFC, can be prepared economically advantageously with good selectivity while suppressing a corrosive action of a reaction vessel.

    摘要翻译: 本发明提供一种制备含氟卤代烃化合物的方法,在反应领域,其中通式为:其中p为0-2范围内的锑卤化物,氟化氢和 存在作为原料的卤代烃化合物,卤化锑化合物与氟化氢的摩尔比在40/60〜90/10的范围内的卤代烃化合物。 根据该方法,作为CFC或HCFC的替代化合物,重要的含氟卤代烃化合物(HFC)可以在抑制反应容器的腐蚀作用的同时以良好的选择性经济地制备。

    Azeotrope comprising pentafluoropropane and hydrogen fluoride and method for separating and purifying pentafluoropropane
    8.
    发明授权
    Azeotrope comprising pentafluoropropane and hydrogen fluoride and method for separating and purifying pentafluoropropane 失效
    包含五氟丙烷和氟化氢的共沸物以及分离和纯化五氟丙烷的方法

    公开(公告)号:US06328907B1

    公开(公告)日:2001-12-11

    申请号:US09101809

    申请日:1998-07-23

    IPC分类号: C09K504

    摘要: There is provided an azeotropic mixture consisting substantially of 1,1,1, 3,3-pentafluoropropane and hydrogen fluoride. Further, there is provided a process of separating/purifying R-245fa and/or HF from a mixture comprising R-245fa and HF wherein the mixture comprising 1,1,1,3,3-pentafluoropropane and hydrogen fluoride is subjected to a distillation step so that a distillate is obtained which comprises the azeotropic mixture consisting substantially of 1,1,1,3,3-pentafluoropropane and hydrogen fluoride, and a bottom product is obtained which comprises separated/purified 1,1,1,3,3-pentafluoropropane or hydrogen fluoride.

    摘要翻译: 提供了基本上由1,1,1,3,3-五氟丙烷和氟化氢组成的共沸混合物。 此外,提供了从包含R-245fa和HF的混合物中分离/纯化R-245fa和/或HF的方法,其中将包含1,1,1,3,3-五氟丙烷和氟化氢的混合物进行蒸馏 使得得到包含基本上由1,1,1,3,3-五氟丙烷和氟化氢组成的共沸混合物的馏出物,并且得到包含分离/纯化的1,1,1,3,3 五氟丙烷或氟化氢。

    Process for preparing 1,1,1,3,3-pentafluoropropane
    9.
    发明授权
    Process for preparing 1,1,1,3,3-pentafluoropropane 失效
    制备1,1,1,3,3-五氟丙烷的方法

    公开(公告)号:US06316682B1

    公开(公告)日:2001-11-13

    申请号:US09194609

    申请日:1998-11-30

    IPC分类号: C07C1720

    摘要: A method of producing 1,1,1,3,3-pentafluoropropane wherein 1,1,1,3,3-pentafluoropropane is obtained by reacting at least one selected from the group consisting of fluorinated and chlorinated propane and chlorinated propane expressed by a general formula of CX3CH2CHX2 (where X in this general formula indicates either a fluorine atom or a chlorine atom, but all of X's can never represent fluorine atoms at the same time) with a fluorinated antimony chloride. There is provided an economical and efficient method of producing 1,1,1,3,3-pentafluoropropane with high yield, which is an alternative compound to CFC's and HCFC's and is important in industry as a blowing agent, a refrigerant, a detergent, and a propellant that does not destroy the ozone in the ozone layer.

    摘要翻译: 一种生产1,1,1,3,3-五氟丙烷的方法,其中1,1,1,3,3-五氟丙烷是通过使选自氟化丙烷和氯化丙烷中的至少一种和由 CX3CH2CHX2的通式(其中该通式中的X表示氟原子或氯原子,但X同时不能同时表示氟原子)与氟化氯化锑的通式。 提供了以高产率生产1,1,1,3,3-五氟丙烷的经济有效的方法,其是CFC和HCFC的替代化合物,并且在工业中作为发泡剂,制冷剂,洗涤剂, 以及不破坏臭氧层臭氧的推进剂。

    Production process of hydrofluorocarbons

    公开(公告)号:US07094934B2

    公开(公告)日:2006-08-22

    申请号:US10182820

    申请日:2001-01-31

    IPC分类号: C07C17/087

    摘要: In a process for producing a hydrogen-containing fluorinated hydrocarbon in which a halogenated hydrocarbon reaction raw material, which includes a chlorinated alkene and/or a hydrogen-containing chlorinated alkane, is subjected to a fluorination reaction with hydrogen fluoride in a liquid phase in a reactor in the presence of a fluorination catalyst to obtain a reaction mixture which includes the hydrogen-containing fluorinated hydrocarbon, the reactor to be used has a portion which is able to contact with the reaction mixture, at least a part of this portion being made of an alloy material of 18 to 20% by weight of chromium, 18 to 20% by weight of molybdenum, 1.5 to 2.2% by weight of at least one element selected from niobium and tantalum and the balance of nickel.