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17 条记录 (耗时 0.018 秒)

    Process for producing 1,1,1,2-tetrafluoroethane
    1.
    发明授权
    Process for producing 1,1,1,2-tetrafluoroethane 失效
    生产1,1,1,2-四氟乙烷的方法

    公开(公告)号：US5426253A

    公开(公告)日：1995-06-20

    申请号：US308612

    申请日：1994-09-19

    申请人： Shinsuke Morikawa ,  Shunichi Samejima ,  Masaru Yositake ,  Shin Tatematsu

    发明人： Shinsuke Morikawa ,  Shunichi Samejima ,  Masaru Yositake ,  Shin Tatematsu

    IPC分类号： C07C17/23 ,  C07C19/08

    CPC分类号： C07C17/23

    摘要： A process for producing 1,1,1,2-tetrafluoroethane, which comprises reacting 2,2-dichloro-1,1,1,2-tetrafluoroethane, 2-chloro-1,1,1,2-tetrafluoroethane or a mixture thereof with hydrogen in the presence of a hydrogenation catalyst consisting essentially of a Group VIII element as the main component and at least one element selected from the group consisting of Group IB elements, lanthanum and lanthanide elements, as an additional component.

    摘要翻译： 一种生产1,1,1,2-四氟乙烷的方法，其包括使2,2-二氯-1,1,1,2-四氟乙烷，2-氯-1,1,1,2-四氟乙烷或其混合物 在基本上由VIII族元素作为主要成分组成的氢化催化剂和选自由IB族元素，镧和镧系元素组成的组中的至少一种元素作为附加成分的氢气存在下进行。

    Process for preparing a perfluoroacrylic acid ester
    6.
    发明授权
    Process for preparing a perfluoroacrylic acid ester 失效
    制备全氟丙烯酸酯的方法

    公开(公告)号：US4581472A

    公开(公告)日：1986-04-08

    申请号：US543296

    申请日：1983-10-19

    申请人： Shunichi Samejima ,  Isamu Kaneko

    发明人： Shunichi Samejima ,  Isamu Kaneko

    IPC分类号： C07C67/317 ,  C07C69/653 ,  C07C67/14

    CPC分类号： C07C69/653

    摘要： A process for producing a perfluoroacrylic acid ester represented by the general formula CF.sub.2 .dbd.CFCOOR where R is a monovalent organic substituent, which comprises pyrolyzing a monoester of perfluorosuccinyl fluoride represented by the general formula FOCCF.sub.2 CF.sub.2 COOR where R is as defined above, in a vapor phase.

    摘要翻译： 一种制备由通式CF 2 = CFCOOR表示的全氟丙烯酸酯的方法，其中R是一价有机取代基，其包括在气相中热解由通式FOCCF 2 CF 2 COOR（其中R如上所定义）表示的全氟琥珀酰氟的单酯。

    Process for producing fluorinated vinyl ether having ester group
    9.
    发明授权
    Process for producing fluorinated vinyl ether having ester group 失效
    具有酯基的氟化乙烯基醚的制造方法

    公开(公告)号：US4153804A

    公开(公告)日：1979-05-08

    申请号：US917637

    申请日：1978-06-21

    申请人： Masaaki Yamabe ,  Seiji Munekata ,  Shunichi Samejima

    发明人： Masaaki Yamabe ,  Seiji Munekata ,  Shunichi Samejima

    IPC分类号： C07C69/653 ,  C07C69/65

    CPC分类号： C07C69/653

    摘要： A fluorinated vinyl ether having an ester group which has the formulaCF.sub.2 .dbd. CFOCF.sub.2 (CF(CF.sub.3)OCF.sub.2).sub.n-1 (Rf).sub.m CO.sub.2 Rwherein n represents an integer of 1 to 5; m represents 0 or 1; Rf represents a C.sub.1 -C.sub.10 bifunctional perfluoro group and R represents an alkyl group, is produced by reacting fluorinated acyl fluoride having an ester group which has the formulaFOC(CF(CF.sub.3)OCF.sub.2).sub.n (Rf).sub.m CO.sub.2 Rwith an alkali metal carbonate to produce an alkali metal salt of fluorinated carboxylic acid having an ester group which has the formulaMOOC(CF(CF.sub.3)OCF.sub.2).sub.n (Rf).sub.m CO.sub.2 Rwherein M represnts an alkali metal;And then, thermally decomposing the alkali metal salt of fluorinated carboxylic acid having an ester group.

    摘要翻译： 具有式CF 2 = CFOCF 2（CF（CF 3）OCF 2）n-1（R f）m CO 2 R的酯基的氟化乙烯基醚，其中n表示1〜5的整数; m表示0或1; Rf表示C1-C10双官能全氟基团，R表示烷基，是通过使具有式FOC（CF（CF 3）OCF 2）n（R f）m CO 2 R的酯基的氟化酰氟与碱金属碳酸盐反应制得的 制备具有式MOOC（CF（CF 3）OCF 2）n（R f）m CO 2 R的酯基的氟化羧酸的碱金属盐，其中M表示碱金属; 然后，热分解含有ESTER集团的氟化羧酸的碱金属盐。