COMPOSITION COMPRISING HF AND 1,3,3,3-TETRAFLUOROPROPENE
    63.
    发明申请
    COMPOSITION COMPRISING HF AND 1,3,3,3-TETRAFLUOROPROPENE 审中-公开
    包含HF和1,3,3,3-四氯丙烯的组合物

    公开(公告)号:US20160031773A1

    公开(公告)日:2016-02-04

    申请号:US14773961

    申请日:2014-02-24

    Applicant: ARKEMA FRANCE

    CPC classification number: C07C21/18 C01B7/191 C01B7/195 C09K3/30 C09K5/045

    Abstract: An azeotropic or quasi-azeotropic composition including hydrogen fluoride, 1,3,3,3-tetrafluoropropene and one or more (hydro)halogen-carbon compounds including between 1 and 3 carbon atoms. Also, a preferred azeotropic or quasi-azeotropic composition comprising hydrogen fluoride, 1,3,3,3-tetrafluoropropene, and one or more compounds selected from among 1,1,1,2,2-pentafluoropropane, 2,3,3,3-tetrafluoropropene, 3,3,3-trifluoropropene, 3,3,3-trifluoro-2-chloropropene, E-3,3,3-trifluoro-1-chloropropene, trifluoropropyne, 1,1,1,3,3-pentafluoropropane, 1,1,3,3-pentafluoropropane, 1,1,1,3,3-pentafluoropropene, 1,1,1,2,3-pentafluoropropene and 2-chloro, 1,1,1,2-tetrafluoropropane.

    Abstract translation: 包含氟化氢,1,3,3,3-四氟丙烯和一种或多种(氢)卤素 - 碳化合物的共沸或准共沸组合物,包括1至3个碳原子。 此外,优选的共沸或准共沸组合物包含氟化氢,1,3,3,3-四氟丙烯和一种或多种选自1,1,1,2,2-五氟丙烷,2,3,3,3-四氟丙烷, 3,3,3-三氟丙烯,3,3,3-三氟-2-氯丙烯,E-3,3,3-三氟-1-氯丙烯,三氟丙炔,1,1,1,3,3-四氟丙烯, 五氟丙烷,1,1,3,3-五氟丙烷,1,1,1,3,3-五氟丙烯,1,1,1,2,3-五氟丙烯和2-氯1,1,1,2-四氟丙烷。

    PROCESS FOR THE PRODUCTION OF HYDROGEN PEROXIDE

    公开(公告)号:US20240253988A1

    公开(公告)日:2024-08-01

    申请号:US18564355

    申请日:2022-12-21

    Applicant: ARKEMA FRANCE

    CPC classification number: C01B15/023

    Abstract: The present invention relates to a process for the production of hydrogen peroxide by the cyclic Auto-Oxydation-process comprising the two alternate steps of: hydrogenation of a working solution in the presence of a catalyst, wherein said working solution contains at least one quinone dissolved in at least one organic solvent, to obtain at least one corresponding hydroquinone; and oxidation of said at least one hydroquinone; characterized in that the organic solvent has the formula (I):




    wherein R1 is an aryl group comprising from 6 to 18 carbon atoms and R2 is an alkyl group comprising from 1 to 8 carbon atoms, when R2 is a methyl group, R1 is different from phenyl.

    METHOD FOR MODIFYING FLUORINE DISTRIBUTION IN A HYDROCARBON COMPOUND

    公开(公告)号:US20210114955A1

    公开(公告)日:2021-04-22

    申请号:US16618866

    申请日:2018-06-05

    Applicant: Arkema France

    Abstract: The present invention relates to a process for modifying the fluorine distribution in a hydrocarbon compound, comprising a step of making contact between said hydrocarbon compound and a catalytic composition comprising a chromium-based catalyst, said process being performed in a reactor made of a material comprising a base layer made of a material M1 and an inner layer made of a material M2, said base layer and said inner layer being laid against each other by bonding.

    METHOD FOR PREPARING FLUOROORGANIC COMPOUNDS
    68.
    发明申请

    公开(公告)号:US20200223777A1

    公开(公告)日:2020-07-16

    申请号:US16615708

    申请日:2018-05-22

    Applicant: Arkema France

    Abstract: A process for preparing a compound of formula (I) HR1R2C—CF2—(C═O)—Y starting with a compound of formula (II) R1R2C═CX—(C═O)—Y or of formula (III) HR1R2C—CX1X2—(C═O)—Y placed in contact with hydrofluoric acid; R1 and R2 being independently selected from H, F, Cl, Br, I, C1-C20-alkyl, C6-C20-aryl and C2-C20-alkenyl, C3-C20-cycloalkenyl and C3-C20-cycloalkyl; X1 and X2 being independently selected from F, Cl, Br and I on condition that X1 and X2 are not simultaneously F; Y being selected from the group of H, C1-C20-alkyl, C1-C20-haloalkyl, C6-C20-aryl, —OH, —OR, —NH2, —NHR, —NR2, —SR, C3-C20-cycloalkyl, C3-C20-cycloalkenyl and C2-C20-alkenyl; R being independently selected from the group of C1-C20-alkyl, C6-C20-aryl and C2-C20-alkenyl, C3-C20-cycloalkenyl and C3-C20-cycloalkyl.

    PROCESS FOR THE MANUFACTURE OF 2,3,3,3-TETRAFLUOROPROPENE

    公开(公告)号:US20190127303A1

    公开(公告)日:2019-05-02

    申请号:US16092505

    申请日:2016-04-13

    Applicant: ARKEMA FRANCE

    Abstract: The present invention provides a process of manufacture of 2,3,3,3-tetrafluoropropene by fluorination of very high purity 1,1,1,2,3-pentachloropropane (HCC-240db) into product 2,3,3,3-tetrafluoropropene (HFO-1234yf), the process comprising the following steps: —step 3 of chlorination of 1,1,3-trichloropropene to produce 1,1,1,2,3-pentachloropropane, comprising: 3-a) contacting the 1,1,3-trichloropropene feedstock with chlorine in a reaction zone to produce a reaction mixture containing 1,1,1,2,3-pentachloropropane and 1,1,3-trichloropropene, the reaction zone being different from the dehydrochlorination zone, and 3-b) treating the reaction mixture obtained in step 3-a) to obtain a 1,1,1,2,3-pentachloropropane (HCC-240db) feedstock; —step 4 of producing 2,3,3,3-tetrafluoropropene (HFO-1234yf), comprising: 4-a) reacting the 1,1,1,2,3-pentachloropropane (HCC-240db) feedstock with HF in the presence or absence of catalyst to produce a reaction mixture comprising at least one compound chosen from HCI, HF, 1,1,1,2,2-pentafluoropropane (HFC-245cb), 2-chloro-3,3,3-trifluoropropene (HCFO-1233xf) and 2,3,3,3-tetrafluoropropene (HFO-1234yf).

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