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公开(公告)号:US08530710B2
公开(公告)日:2013-09-10
申请号:US13167145
申请日:2011-06-23
申请人: Hirokazu Takagi , Hidekazu Okamoto , Satoshi Kawaguchi , Yu Takeuchi , Kunio Watanabe , Koichi Yanase , Shingo Nomura
发明人: Hirokazu Takagi , Hidekazu Okamoto , Satoshi Kawaguchi , Yu Takeuchi , Kunio Watanabe , Koichi Yanase , Shingo Nomura
IPC分类号: C07C19/08
CPC分类号: C07C17/23 , B01J21/18 , B01J23/44 , B01J35/002 , B01J35/1023 , C07C21/18
摘要: The object is to provide a process whereby it is possible to produce 2,3,3,3-tetrafluoropropene at a high conversion ratio constantly for a long period of time.A process for producing 2,3,3,3-tetrafluoropropene, which comprises reacting a raw material compound of at least one of 1,1-dichloro-2,3,3,3-tetrafluoropropene and 1-chloro-2,3,3,3-tetrafluoropropene, and hydrogen, in the presence of a noble metal catalyst supported on active carbon having an ash content of at most 3% as measured in accordance with ASTM D2866.
摘要翻译: 本发明的目的是提供一种能够长时间恒定地以高转化率制备2,3,3,3-四氟丙烯的方法。 一种制备2,3,3,3-四氟丙烯的方法,其包括使1,1-二氯-2,3,3,3-四氟丙烯和1-氯-2,3中的至少一种的原料化合物反应, 3,3-四氟丙烯和氢气,在负载在活性炭上的贵金属催化剂的存在下,其灰分含量至多为3%,根据ASTM D2866测量。
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公开(公告)号:US20110319676A1
公开(公告)日:2011-12-29
申请号:US13167145
申请日:2011-06-23
申请人: Hirokazu TAKAGI , Hidekazu Okamoto , Satoshi Kawaguchi , Yu Takeuchi , Kunio Watanabe , Koichi Yanase , Shingo Nomura
发明人: Hirokazu TAKAGI , Hidekazu Okamoto , Satoshi Kawaguchi , Yu Takeuchi , Kunio Watanabe , Koichi Yanase , Shingo Nomura
CPC分类号: C07C17/23 , B01J21/18 , B01J23/44 , B01J35/002 , B01J35/1023 , C07C21/18
摘要: The object is to provide a process whereby it is possible to produce 2,3,3,3-tetrafluoropropene at a high conversion ratio constantly for a long period of time.A process for producing 2,3,3,3-tetrafluoropropene, which comprises reacting a raw material compound of at least one of 1,1-dichloro-2,3,3,3-tetrafluoropropene and 1-chloro-2,3,3,3-tetrafluoropropene, and hydrogen, in the presence of a noble metal catalyst supported on active carbon having an ash content of at most 3% as measured in accordance with ASTM D2866.
摘要翻译: 本发明的目的是提供一种能够长时间恒定地以高转化率制备2,3,3,3-四氟丙烯的方法。 一种制备2,3,3,3-四氟丙烯的方法,其包括使1,1-二氯-2,3,3,3-四氟丙烯和1-氯-2,3中的至少一种的原料化合物反应, 3,3-四氟丙烯和氢气,在负载在活性炭上的贵金属催化剂的存在下,其灰分含量至多为3%,根据ASTM D2866测量。
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公开(公告)号:US08530711B2
公开(公告)日:2013-09-10
申请号:US13167254
申请日:2011-06-23
申请人: Satoshi Kawaguchi , Hidekazu Okamoto , Yu Takeuchi , Hirokazu Takagi , Kunio Watanabe , Koichi Yanase
发明人: Satoshi Kawaguchi , Hidekazu Okamoto , Yu Takeuchi , Hirokazu Takagi , Kunio Watanabe , Koichi Yanase
IPC分类号: C07C19/08
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。
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公开(公告)号:US08766021B2
公开(公告)日:2014-07-01
申请号:US13167509
申请日:2011-06-23
申请人: Satoshi Kawaguchi , Hidekazu Okamoto , Yu Takeuchi , Hirokazu Takagi , Kunio Watanabe , Koichi Yanase
发明人: Satoshi Kawaguchi , Hidekazu Okamoto , Yu Takeuchi , Hirokazu Takagi , Kunio Watanabe , Koichi Yanase
IPC分类号: C07C19/08
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。
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公开(公告)号:US20110319681A1
公开(公告)日:2011-12-29
申请号:US13167235
申请日:2011-06-23
申请人: Satoshi KAWAGUCHI , Hidekazu Okamoto , Yu Takeuchi , Hirokazu Takagi , Kunio Watanabe , Koichi Yanase
发明人: Satoshi KAWAGUCHI , Hidekazu Okamoto , Yu Takeuchi , Hirokazu Takagi , Kunio Watanabe , Koichi Yanase
IPC分类号: C07C17/20
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℃。
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公开(公告)号:US08399722B2
公开(公告)日:2013-03-19
申请号:US13167235
申请日:2011-06-23
申请人: Satoshi Kawaguchi , Hidekazu Okamoto , Yu Takeuchi , Hirokazu Takagi , Kunio Watanabe , Koichi Yanase
发明人: Satoshi Kawaguchi , Hidekazu Okamoto , Yu Takeuchi , Hirokazu Takagi , Kunio Watanabe , Koichi Yanase
IPC分类号: C07C19/08
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℃。
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公开(公告)号:US20110319677A1
公开(公告)日:2011-12-29
申请号:US13167254
申请日:2011-06-23
申请人: Satoshi KAWAGUCHI , Hidekazu Okamoto , Yu Takeuchi , Hirokazu Takagi , Kunio Watanabe , Koichi Yanase
发明人: Satoshi KAWAGUCHI , Hidekazu Okamoto , Yu Takeuchi , Hirokazu Takagi , Kunio Watanabe , Koichi Yanase
IPC分类号: C07C17/23
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。
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公开(公告)号:US5220084A
公开(公告)日:1993-06-15
申请号:US914590
申请日:1992-07-20
申请人: Keiichi Ohnishi , Hidekazu Okamoto , Toshihiro Tanuma , Koichi Yanase , Toru Kawasaki , Ryutaro Takei
发明人: Keiichi Ohnishi , Hidekazu Okamoto , Toshihiro Tanuma , Koichi Yanase , Toru Kawasaki , Ryutaro Takei
IPC分类号: C07C17/278
CPC分类号: C07C17/278
摘要: A method for producing a dichloropentafluoropropane, which comprises reacting dichlorofluoromethane (R21) with tetrafluoroethylene (4F) in the presence of a Lewis acid catalyst for addition reaction to obtain dichloropentafluoropropane, wherein a halide containing at least one element selected from the group consisting of Sb, Nb, Ta, B, Ga, In, Zr, Hf and Ti, or AlBr.sub.3, or AlI.sub.3, is used as the Lewis acid.
摘要翻译: 一种二氯五氟丙烷的制造方法,其特征在于,在路易斯酸催化剂存在下,使二氯氟甲烷(R21)与四氟乙烯(4F)反应进行加成反应,得到二氯五氟丙烷,其中,含有选自Sb, 使用Nb,Ta,B,Ga,In,Zr,Hf和Ti,或AlBr 3或AlI 3作为路易斯酸。
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公开(公告)号:US5434321A
公开(公告)日:1995-07-18
申请号:US229126
申请日:1994-04-18
申请人: Keiichi Ohnishi , Hidekazu Okamoto , Toshihiro Tanuma , Koichi Yanase , Toru Kawasaki , Ryutaro Takei
发明人: Keiichi Ohnishi , Hidekazu Okamoto , Toshihiro Tanuma , Koichi Yanase , Toru Kawasaki , Ryutaro Takei
IPC分类号: C07C17/278 , C07C17/266
CPC分类号: C07C17/278
摘要: A method for producing a dichloropentafluoropropane, which comprises reacting dichlorofluoromethane (R21) with tetrafluoroethylene (4F) in the presence of a Lewis acid catalyst for addition reaction to obtain dichloropentafluoropropane, wherein a halide containing at least one element selected from the group consisting of Sb, Nb, Ta, B, Ga, In, Zr, Hf and Ti, or AlBr.sub.3, or AlI.sub.3, is used as the Lewis acid.
摘要翻译: 一种二氯五氟丙烷的制造方法,其特征在于,在路易斯酸催化剂存在下,使二氯氟甲烷(R21)与四氟乙烯(4F)反应进行加成反应,得到二氯五氟丙烷,其中,含有选自Sb, 使用Nb,Ta,B,Ga,In,Zr,Hf和Ti,或AlBr 3或AlI 3作为路易斯酸。
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公开(公告)号:US5227547A
公开(公告)日:1993-07-13
申请号:US914591
申请日:1992-07-20
申请人: Keiichi Ohnishi , Hidekazu Okamoto , Toshihiro Tanuma , Koichi Yanase , Toru Kawasaki , Ryutaro Takei
发明人: Keiichi Ohnishi , Hidekazu Okamoto , Toshihiro Tanuma , Koichi Yanase , Toru Kawasaki , Ryutaro Takei
IPC分类号: C07C17/278
CPC分类号: C07C17/278
摘要: A method for producing a dichloropentafluoropropane, which comprises reacting dichlorofluoromethane (R21) with tetrafluoroethylene (4F) in the presence of a Lewis acid catalyst for addition reaction to obtain dichloropentafluoropropane, wherein a halide containing at least one element selected from the group consisting of Sb, Nb, Ta, B, Ga, In, Zr, Hf and Ti, or AlBr.sub.3, or AlI.sub.3, is used as the Lewis acid.
摘要翻译: 一种二氯五氟丙烷的制造方法,其特征在于,在路易斯酸催化剂存在下,使二氯氟甲烷(R21)与四氟乙烯(4F)反应进行加成反应,得到二氯五氟丙烷,其中,含有选自Sb, 使用Nb,Ta,B,Ga,In,Zr,Hf和Ti,或AlBr 3或AlI 3作为路易斯酸。
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