Process for producing fluorinated ketone
    2.
    发明授权
    Process for producing fluorinated ketone 有权
    制备氟化酮的方法

    公开(公告)号:US06803488B2

    公开(公告)日:2004-10-12

    申请号:US10372765

    申请日:2003-02-26

    IPC分类号: C07C4330

    摘要: The present invention provides a process whereby fluorinated ketones of various structures can be produced by short process steps and which is useful as an industrial production process. Namely, it is a process for producing a fluorinated ketone of the following formula (5), which comprises reacting a compound of the following formula (3) having a fluorine content of at least 30 mass %, with fluorine in a liquid phase to obtain a compound of the following formula (4), and then, subjecting the ester linkage of the compound of the formula (4) to a dissociation reaction: RCCOOCHRARB  (3) RCFCOOCFRAFRBF  (4) RAFRBFC═O  (5) wherein each of RA and RAF are each a monovalent organic group such as an alkyl group, or RA and RB may be bonded to each other to form a bivalent organic group such as an alkylene group, RAF and RBF are a monovalent organic group such as a perfluoroalkyl group formed by fluorination of RA and RB, or they are bonded to each other to form a bivalent organic group such as a perfluoroalkylene group, and RC and RCF are each a monovalent organic group such as a perfluoroalkyl group which may contain an etheric oxygen atom.

    摘要翻译: 本发明提供了一种方法,其中各种结构的氟化酮可以通过短的工艺步骤制备,并且可用作工业生产方法。名义上,它是一种制备下式(5)的氟化酮的方法,其包括 使具有至少30质量%的氟含量的下式(3)的化合物与氟在液相中反应,得到下式(4)的化合物,然后将化合物 式(4)解离反应:其中R A和R A各自各自为一价有机基团,例如烷基,或者R和R可彼此键合 为了形成二价有机基团,例如亚烷基,R AF和R BF均为一价有机基团,例如通过R A和R B的氟化形成的全氟烷基,或者它们键合到 彼此形成二价有机基团,例如全氟亚烷基基团,和R a a d R CF各自为可以含有醚性氧原子的一价有机基团,例如全氟烷基。

    Process for producing 2,3,3,3-tetrafluoropropene
    3.
    发明授权
    Process for producing 2,3,3,3-tetrafluoropropene 有权
    制备2,3,3,3-四氟丙烯的方法

    公开(公告)号:US08530711B2

    公开(公告)日:2013-09-10

    申请号:US13167254

    申请日:2011-06-23

    IPC分类号: C07C19/08

    CPC分类号: C07C17/23 C07C21/18

    摘要: The object is to provide a process for producing highly pure 2,3,3,3-tetrafluoropropene, whereby formation of 3,3,3-trifluoropropene is suppressed.A process for producing 2,3,3,3-tetrafluoropropene, which comprises reacting a raw material compound composed of 1,1-dichloro-2,3,3,3-tetrafluoropropene and/or 1-chloro-2,3,3,3-tetrafluoropropene, and hydrogen in a gas phase in a reactor having a catalyst layer packed with a catalyst-supporting carrier, while maintaining the maximum temperature of the catalyst layer to be at most 130° C., to obtain formed gas containing 2,3,3,3-tetrafluoropropene, and then, contacting the formed gas discharged from the reactor, with alkali at a temperature of at most 100° C.

    摘要翻译: 本发明的目的是提供一种制备高纯度2,3,3,3-四氟丙烯的方法,从而抑制3,3,3-三氟丙烯的形成。 一种制备2,3,3,3-四氟丙烯的方法,包括使由1,1-二氯-2,3,3,3-四氟丙烯和/或1-氯-2,3,3,3-四氟丙烯组成的原料化合物 ,3-四氟丙烯和氢气,在具有催化剂载体的催化剂层的反应器中,同时保持催化剂层的最高温度为至多130℃,得到含有2个 ,3,3,3-四氟丙烯,然后使从反应器排出的形成的气体与最多100℃的碱接触。

    Process for producing 2,3,3,3-tetrafluoropropene
    4.
    发明授权
    Process for producing 2,3,3,3-tetrafluoropropene 有权
    制备2,3,3,3-四氟丙烯的方法

    公开(公告)号:US08399722B2

    公开(公告)日:2013-03-19

    申请号:US13167235

    申请日:2011-06-23

    IPC分类号: C07C19/08

    CPC分类号: C07C17/23 C07C21/18

    摘要: The object is to provide a process for producing highly pure 2,3,3,3-tetrafluoropropene, whereby formation of 3,3,3-trifluoropropene as a by-product is suppressed.A process for producing 2,3,3,3-tetrafluoropropene, which comprises introducing and reacting a raw material compound composed of at least one of 1,1-dichloro-2,3,3,3-tetrafluoropropene and 1-chloro-2,3,3,3-tetrafluoropropene, and hydrogen, in a catalyst layer packed with a catalyst-supporting carrier, wherein the temperature of the catalyst layer is controlled to be higher than the dew point of the raw material mixed gas comprising the raw material compound and the hydrogen, and the maximum temperature of the catalyst layer is maintained to be at most 130° C. during the reaction.

    摘要翻译: 本发明的目的是提供一种制备高纯度2,3,3,3-四氟丙烯的方法,由此抑制作为副产物的3,3,3-三氟丙烯的形成。 一种制备2,3,3,3-四氟丙烯的方法,其包括将由1,1-二氯-2,3,3,3-四氟丙烯和1-氯-2 ,3,3,3-四氟丙烯和氢,在催化剂载体的催化剂层中控制催化剂层的温度高于包含原料的原料混合气体的露点 化合物和氢气,催化剂层的最高温度在反应期间保持在至多130℃。

    Process for Producing 2, 3, 3, 3-Tetrafluoropropene
    5.
    发明申请
    Process for Producing 2, 3, 3, 3-Tetrafluoropropene 有权
    制备2,3,3,3-三氟丙烯的方法

    公开(公告)号:US20110319677A1

    公开(公告)日:2011-12-29

    申请号:US13167254

    申请日:2011-06-23

    IPC分类号: C07C17/23

    CPC分类号: C07C17/23 C07C21/18

    摘要: The object is to provide a process for producing highly pure 2,3,3,3-tetrafluoropropene, whereby formation of 3,3,3-trifluoropropene is suppressed.A process for producing 2,3,3,3-tetrafluoropropene, which comprises reacting a raw material compound composed of 1,1-dichloro-2,3,3,3-tetrafluoropropene and/or 1-chloro-2,3,3,3-tetrafluoropropene, and hydrogen in a gas phase in a reactor having a catalyst layer packed with a catalyst-supporting carrier, while maintaining the maximum temperature of the catalyst layer to be at most 130° C., to obtain formed gas containing 2,3,3,3-tetrafluoropropene, and then, contacting the formed gas discharged from the reactor, with alkali at a temperature of at most 100° C.

    摘要翻译: 本发明的目的是提供一种制备高纯度2,3,3,3-四氟丙烯的方法,从而抑制3,3,3-三氟丙烯的形成。 一种制备2,3,3,3-四氟丙烯的方法,包括使由1,1-二氯-2,3,3,3-四氟丙烯和/或1-氯-2,3,3,3-四氟丙烯组成的原料化合物 ,3-四氟丙烯和氢气,在具有催化剂载体的催化剂层的反应器中,同时保持催化剂层的最高温度为至多130℃,得到含有2个 ,3,3,3-四氟丙烯,然后使从反应器排出的形成的气体与最多100℃的碱接触。

    Process for producing 2,3,3,3-tetrafluoropropene
    6.
    发明授权
    Process for producing 2,3,3,3-tetrafluoropropene 有权
    制备2,3,3,3-四氟丙烯的方法

    公开(公告)号:US08766021B2

    公开(公告)日:2014-07-01

    申请号:US13167509

    申请日:2011-06-23

    IPC分类号: C07C19/08

    CPC分类号: C07C17/23 C07C21/18

    摘要: In the production of 2,3,3,3-tetrafluoropropene (HFO-1234yf), formation of HFC-254eb as an excessively reduced product is suppressed.A process for producing 2,3,3,3-tetrafluoropropene, which comprises reacting a raw material compound gas composed of at least one of 1,1-dichloro-2,3,3,3-tetrafluoropropene and 1-chloro-2,3,3,3-tetrafluoropropene, and hydrogen gas, in the presence of a catalyst, wherein the catalyst is a catalyst having palladium supported on active carbon, and the ratio of the number of moles of the hydrogen gas to the number of moles of chlorine atoms in the raw material compound gas (H2/Cl) is at most 0.7.

    摘要翻译: 在制备2,3,3,3-四氟丙烯(HFO-1234yf)时,抑制了作为过量还原产物的HFC-254eb的形成。 一种制备2,3,3,3-四氟丙烯的方法,包括使由1,1-二氯-2,3,3,3-四氟丙烯和1-氯-2中的至少一种构成的原料化合物气体反应, 3,3,3-四氟丙烯和氢气,在催化剂存在下,其中催化剂是负载在活性炭上的钯的催化剂,氢气的摩尔数与摩尔数的比例 原料化合物气体(H2 / Cl)中的氯原子为0.7以下。

    PROCESS FOR PRODUCING 2,3,3,3-TETRAFLUOROPROPENE
    7.
    发明申请
    PROCESS FOR PRODUCING 2,3,3,3-TETRAFLUOROPROPENE 有权
    生产2,3,3,3-四氯丙烯的方法

    公开(公告)号:US20110319681A1

    公开(公告)日:2011-12-29

    申请号:US13167235

    申请日:2011-06-23

    IPC分类号: C07C17/20

    CPC分类号: C07C17/23 C07C21/18

    摘要: The object is to provide a process for producing highly pure 2,3,3,3-tetrafluoropropene, whereby formation of 3,3,3-trifluoropropene as a by-product is suppressed.A process for producing 2,3,3,3-tetrafluoropropene, which comprises introducing and reacting a raw material compound composed of at least one of 1,1-dichloro-2,3,3,3-tetrafluoropropene and 1-chloro-2,3,3,3-tetrafluoropropene, and hydrogen, in a catalyst layer packed with a catalyst-supporting carrier, wherein the temperature of the catalyst layer is controlled to be higher than the dew point of the raw material mixed gas comprising the raw material compound and the hydrogen, and the maximum temperature of the catalyst layer is maintained to be at most 130° C. during the reaction.

    摘要翻译: 本发明的目的是提供一种制备高纯度2,3,3,3-四氟丙烯的方法,由此抑制作为副产物的3,3,3-三氟丙烯的形成。 一种制备2,3,3,3-四氟丙烯的方法,其包括将由1,1-二氯-2,3,3,3-四氟丙烯和1-氯-2 ,3,3,3-四氟丙烯和氢,在催化剂载体的催化剂层中控制催化剂层的温度高于包含原料的原料混合气体的露点 化合物和氢气,催化剂层的最高温度在反应期间保持在至多130℃。

    Switchgear and switchgear operating mechanism
    9.
    发明授权
    Switchgear and switchgear operating mechanism 有权
    开关柜和开关柜操作机构

    公开(公告)号:US08420969B2

    公开(公告)日:2013-04-16

    申请号:US12881880

    申请日:2010-09-14

    IPC分类号: H01H5/00

    CPC分类号: H01H33/42 H01H3/42 H01H33/40

    摘要: An embodiment of a switchgear has: a closing shaft; a main lever fixed to the closing shaft and associated with a movable contact; a cutoff spring; a sub-shaft; a sub-lever and a latch lever which are connected to the sub-shaft; a roller pin mounted to the leading end of the latch lever; a latch; a latch returning spring for urging the latch; a latch pin fixed to the latch; and a ring mounted to the latch pin so as to be movable in the radial direction of the latch pin. In the closed state, the roller pin presses the leading end of the latch. In power cutoff operation, latch is pulled so as to permit rotation of the latch, engagement between the roller pin and the leading end of the latch is disengaged, and the sub-shaft is rotated by urging by the cutoff spring.

    摘要翻译: 开关装置的一个实施例具有:闭合轴; 固定到关闭轴并与可动触头相关联的主杆; 一个截止弹簧; 副轴; 子杆和闩锁杆,其连接到副轴; 安装到所述闩锁杆的前端的滚针; 一个闩锁 用于推动闩锁的闩锁复位弹簧; 固定在闩锁上的锁销; 以及安装到所述闩锁销以便能够沿所述闩锁销的径向移动的环。 在关闭状态下,滚针按压闩锁的前端。 在断电操作中,闩锁被拉动以允许闩锁的旋转,滚子销和闩锁的前端之间的接合脱离,并且副轴通过由截止弹簧的推动而旋转。

    Switchgear and switchgear operating mechanism
    10.
    发明授权
    Switchgear and switchgear operating mechanism 有权
    开关柜和开关柜操作机构

    公开(公告)号:US08330065B2

    公开(公告)日:2012-12-11

    申请号:US12694874

    申请日:2010-01-27

    IPC分类号: H01H3/00

    摘要: The time period is shortened till a cutoff spring force is released when a switchgear is cut off. This switchgear comprises: a closing shaft; a main lever fixed turnably on the closing shaft and associated with a movable contact; a closing spring; a sub shaft; a sub lever and a latch lever fixed on the sub shaft; a roller mounted on the leading end of the latch lever; a turnable latch and a kick lever; a lock lever made turnable with respect to the latch; a latch returning spring for biasing the latch; a lock returning spring for biasing the kick lever and the lock lever; and a stopper for restricting the turns of the lock lever and the latch.

    摘要翻译: 当开关柜被切断时,时间段被缩短直到截止弹簧力释放。 该开关装置包括:闭合轴; 主杆可转动地固定在关闭轴上并与可动触头相关联; 闭合弹簧 副轴; 固定在副轴上的副杠杆和闩锁杆; 安装在所述闩锁杆的前端上的滚子; 可转动闩锁和脚踏杆; 锁定杆可相对于闩锁转动; 用于偏置闩锁的闩锁复位弹簧; 用于偏压脚蹬杆和锁定杆的锁定复位弹簧; 以及用于限制锁定杆和闩锁的转动的止动器。