公开(公告)号：US20170058170A1

公开(公告)日：2017-03-02

申请号：US15348468

申请日：2016-11-10

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Kazuhiro TAKAHASHI ,  Tatsumi TSUCHIYA ,  Yasufu YAMADA

IPC: C09K5/04

CPC classification number: C09K5/045 ,  A62D1/0035 ,  B01F17/0035 ,  C09K3/00 ,  C09K3/30 ,  C09K2205/126 ,  C09K2205/22 ,  C09K2205/40 ,  C10M171/008 ,  C10M2209/1033 ,  C10N2220/302 ,  C10N2230/66 ,  C11D7/30

Abstract: The present invention provides a highly stable haloolefin-based composition that inhibits decomposition or oxidization.The haloolefin-based composition comprising (a) a haloolefin; (b) at least one compound selected from the group consisting of HFC-1234ze, HFC-254eb, HFC-1243zf, HFC-245eb, HFC-245fa, HC-245cb, HFC-236ea, HFC236fa, HFC1225ye, 3,3,3-trifluoropropine, HFC-23, HFC-32, HFC-125, HFC-143a, HFC-134a, FC-1216, HCFO-1233xf, HCFO-1233zd, HCFO-1232xf, HCFO-1223xd, and chloromethane; and (c) water.

Abstract translation: 所述卤代烯烃基组合物包含（a）卤代烯烃; （b）至少一种选自HFC-1234ze，HFC-254eb，HFC-1243zf，HFC-245eb，HFC-245fa，HC-245cb，HFC-236ea，HFC236fa，HFC1225ye，3,3,3 三氟丙酸，HFC-23，HFC-32，HFC-125，HFC-143a，HFC-134a，FC-1216，HCFO-1233xf，HCFO-1233zd，HCFO-1232xf，HCFO-1223xd和氯甲烷; 和（c）水。

公开(公告)号：US20160304422A1

公开(公告)日：2016-10-20

申请号：US15190535

申请日：2016-06-23

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Takehiro CHAKI ,  Kazuhiro TAKAHASHI ,  Tatsuya TAKAKUWA

IPC: C07C17/25 ,  C07C17/087 ,  C07C17/383 ,  C07C17/20

CPC classification number: C07C17/087 ,  C07C17/202 ,  C07C17/206 ,  C07C17/25 ,  C07C17/383 ,  Y02P20/582 ,  C07C21/18 ,  C07C19/10

Abstract: This invention provides a method for producing 2,3,3,3-tetrafluoropropene or 2-chloro-1,1,1,2-tetrafluoropropane, which is a precursor of 2,3,3,3-tetrafluoropropene, in two or three reaction steps, using at least one chlorine-containing compound selected from the group consisting of 1,1,1,2,3-pentachloropropane, 2,3-dichloro-1,1,1-trifluoropropane, and 1,1,2,3-tetrachloropropene as a starting material, the reaction products of at least two of the steps being supplied to the same distillation apparatus to subject the products to a separation operation simultaneously. With this method, 2,3,3,3-tetrafluoropropene or 2-chloro-1,1,1,2-tetrafluoropropane, which is a precursor of 2,3,3,3-tetrafluoropropene, can be efficiently produced with reduced energy and equipment costs in an economically advantageous manner.

Abstract translation: 本发明提供了一种制备2,3,3,3-四氟丙烯或2-氯-1,1,1,2-四氟丙烷的方法，该方法是2,3,3,3-四氟丙烯的前体，二或三 反应步骤，使用至少一种选自1,1,1,2,3-五氯丙烷，2,3-二氯-1,1,1-三氟丙烷和1,1,2,3-三氯丙烷的含氯化合物， 作为原料的3-四氯丙烯，将至少两个步骤的反应产物供给到同一蒸馏装置中以同时对产物进行分离操作。 通过该方法，可以以较低的能量有效地制备作为2,3,3,3-四氟丙烯的前体的2,3,3,3-四氟丙烯或2-氯-1,1,1,2-四氟丙烷 和设备成本在经济上有利的方式。

公开(公告)号：US20160297730A1

公开(公告)日：2016-10-13

申请号：US15190550

申请日：2016-06-23

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Takehiro CHAKI ,  Kazuhiro TAKAHASHI ,  Tatsuya TAKAKUWA

IPC: C07C17/25 ,  C07C17/20 ,  C07C17/383

CPC classification number: C07C17/087 ,  C07C17/202 ,  C07C17/206 ,  C07C17/25 ,  C07C17/383 ,  Y02P20/582 ,  C07C21/18 ,  C07C19/10

Abstract: This invention provides a method for producing 2,3,3,3-tetrafluoropropene or 2-chloro-1,1,1,2-tetrafluoropropane, which is a precursor of 2,3,3,3-tetrafluoropropene, in two or three reaction steps, using at least one chlorine-containing compound selected from the group consisting of 1,1,1,2,3-pentachloropropane, 2,3-dichloro-1,1,1-trifluoropropane, and 1,1,2,3-tetrachloropropene as a starting material, the reaction products of at least two of the steps being supplied to the same distillation apparatus to subject the products to a separation operation simultaneously. With this method, 2,3,3,3-tetrafluoropropene or 2-chloro-1,1,1,2-tetrafluoropropane, which is a precursor of 2,3,3,3-tetrafluoropropene, can be efficiently produced with reduced energy and equipment costs in an economically advantageous manner.

公开(公告)号：US20160168059A1

公开(公告)日：2016-06-16

申请号：US15050739

申请日：2016-02-23

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Yuko SHIOTANI ,  Kakeru HANABUSA ,  Takehiro CHAKI ,  Kazuhiro TAKAHASHI

IPC: C07C17/354

CPC classification number: C07C17/23 ,  C07C17/354 ,  C07C19/08

Abstract: The present invention provides a method for producing a fluorine-containing alkane, which comprises reacting at least one fluorine-containing compound selected from the group consisting of chlorine-containing fluoroalkanes and fluorine-containing alkenes with hydrogen gas in the presence of catalysts, wherein two or more catalysts having different catalytic activities are used, and the fluorine-containing compound and hydrogen gas, which are starting materials, are sequentially brought into contact with the catalysts in the order of the catalyst having a lower catalytic activity followed by the catalyst having a higher catalytic activity. According to the present invention, in the method for producing a fluorine-containing alkane by using chlorine-containing fluoroalkane or fluorine-containing alkene as a starting material, and subjection it to a reduction reaction or a hydrogen addition reaction, the objective fluorine-containing alkane can be produced with high productivity.

公开(公告)号：US20150259266A1

公开(公告)日：2015-09-17

申请号：US14695116

申请日：2015-04-24

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Kazuhiro TAKAHASHI ,  Yuzo KOMATSU ,  Akinori UEDA

IPC: C07C17/25

CPC classification number: C07C17/25 ,  C07C17/087 ,  C07C17/20 ,  C07C17/206 ,  C12Q1/686 ,  G01N21/6428 ,  G01N21/6486 ,  G01N2021/6439 ,  G01N2201/061 ,  Y02P20/582 ,  C07C21/18

Abstract: This invention provides a process for producing 2,3,3,3-tetrafluoropropene, the process comprising: (1) a first reaction step of reacting hydrogen fluoride with at least one chlorine-containing compound selected from the group consisting of a chloropropane represented by Formula (1): CClX2CHClCH2Cl, wherein each X is the same or different and is CI or F, a chloropropene represented by Formula (2): CClY2CCl═CH2, wherein each Y is the same or different and is CI or F, and a chloropropene represented by Formula (3): CZ2═CClCH2Cl, wherein each Z is the same or different and is CI or F in a gas phase in the absence of a catalyst while heating; and (2) a second reaction step of reacting hydrogen fluoride with a reaction product obtained in the first reaction step in a gas phase in the presence of a fluorination catalyst while heating. According to the process of this invention, 2,3,3,3-tetrafluoropropene (HFO-1234yf) can be obtained with high selectivity, and catalyst deterioration can be suppressed.

Abstract translation: 本发明提供一种生产2,3,3,3-四氟丙烯的方法，该方法包括：（1）使氟化氢与至少一种选自以下的含氯化合物反应的第一反应步骤：选自由 式（1）：CClX 2 CHClCH 2 Cl，其中每个X相同或不同，为Cl或F，式（2）表示的氯丙烯：CClY 2 CCl = CH 2，其中每个Y相同或不同，为Cl或F， 由式（3）表示的氯丙烯：CZ2 = CClCH2Cl，其中每个Z相同或不同，并且在加热时不存在催化剂的气相中为Cl或F; 和（2）在加热下在氟化催化剂存在下，在气相中使氟化氢与第一反应步骤中得到的反应产物反应的第二反应步骤。 根据本发明的方法，可以高选择性地获得2,3,3,3-四氟丙烯（HFO-1234yf），并且可以抑制催化剂劣化。

公开(公告)号：US20140367606A1

公开(公告)日：2014-12-18

申请号：US14474372

申请日：2014-09-02

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Kazuhiro TAKAHASHI

IPC: C09K5/10

CPC classification number: C09K5/10 ,  C07C17/383 ,  C07C21/18 ,  C09K2205/24 ,  C09K2205/32 ,  C09K2205/40

Abstract: The present invention provides a process for producing 2,3,3,3-tetrafluoropropene, comprising distilling a mixture of water and 2,3,3,3-tetrafluoropropene to separate the mixture into a first stream and a second stream, the first stream containing 2,3,3,3-tetrafluoropropene with a water content higher than the original mixture, and the second stream containing 2,3,3,3-tetrafluoropropene with a water content lower than the original mixture; and obtaining 2,3,3,3-tetrafluoropropene with a reduced water content from the second stream. The process of the invention can efficiently remove water from 2,3,3,3-tetrafluoropropene (HFO-1234yf).

Abstract translation: 本发明提供一种生产2,3,3,3-四氟丙烯的方法，包括蒸馏水和2,3,3,3-四氟丙烯的混合物以将混合物分离成第一流和第二料流，第一料流 含有水分高于原始混合物的2,3,3,3-四氟丙烯，第二料流含有水分低于原始混合物的2,3,3,3-四氟丙烯; 并从第二流中获得具有降低的水含量的2,3,3,3-四氟丙烯。 本发明的方法可以有效地从2,3,3,3-四氟丙烯（HFO-1234yf）中除去水。