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1. 发明专利

JP2009173588A Method for separating olefin-alcohol azeotropic mixture 有权
标题翻译：分离烯醇 - 醇混合物的方法
公开(公告)号：JP2009173588A
公开(公告)日：2009-08-06
申请号：JP2008014861
申请日：2008-01-25
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： MATSUDA YUKI , ICHIHARA KAZUYOSHI , HIRASAKA TAKEOMI , ICHIDA TAKUYA
IPC分类号： C07C29/78 , B01D3/36 , B01D9/02 , C07C29/80 , C07C31/02 , C07C31/12 , C07C67/11 , C07C69/54
CPC分类号： C07C17/392 , C07C17/38 , C07C29/78 , C07C67/11 , C07C21/18 , C07C31/12 , C07C69/653
摘要： PROBLEM TO BE SOLVED: To provide a method by which at least an alcohol can be separated and recovered in high purity from an azeotropic mixture of an olefin and the alcohol.
SOLUTION: The method for separating the azeotropic mixture of the olefin and the alcohol comprises carrying out an azeotropic mixture-crystallizing step of subjecting the azeotropic mixture of the olefin represented by RfCH=CH
2 (wherein, Rf is a 1-10C straight-chain perfluoroalkyl group) and the alcohol to crystallizing operation, and separating thereof into an olefin portion having higher olefin concentration than that of the original azeotropic mixture, and an alcohol portion having higher alcohol concentration than that of the original azeotropic mixture, and a highly alcohol-purifying step of subjecting the separated alcohol portion to either of the crystallizing operation and distilling operation, separating thereof into a low-alcohol portion having lower alcohol concentration than that of the original alcohol portion, and a high-alcohol portion having higher alcohol concentration than that of the original alcohol portion, and recovering the alcohol as the high-alcohol portion.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种可以从烯烃和醇的共沸混合物中至少将醇分离和回收高纯度的方法。解决方案：分离烯烃和醇的共沸混合物的方法包括进行共沸混合物结晶步骤，该方法是将由RfCH = CH 2表示的烯烃的共沸混合物（其中，Rf为1-10C的直链全氟烷基）和醇进行结晶操作，并将其分离为烯烃浓度高于原始共沸混合物的烯烃浓度的烯烃部分和醇浓度高于原始共沸混合物的醇部分原来的共沸混合物，以及将分离的醇部分进行任一结晶操作和蒸馏操作的高度醇精制步骤，将其分离成具有比原始醇部分低的醇浓度的低醇部分，以及高醇部分具有比原始醇部分高的醇浓度，并且回收作为高级醇的醇一部分。版权所有（C）2009，JPO＆INPIT

2. 发明专利

JP2010065034A Method for producing fluorocarboxylic acid 有权
标题翻译：生产氟代羧酸的方法
公开(公告)号：JP2010065034A
公开(公告)日：2010-03-25
申请号：JP2009202583
申请日：2009-09-02
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： ITAYA SHUJI , ICHIDA TAKUYA , SHIBATA NORIAKI , ONO KAORI
IPC分类号： C07C51/48 , C07C51/44 , C07C53/21 , C07C59/135
CPC分类号： C07C51/48 , C07C59/135 , C07C53/21
摘要： PROBLEM TO BE SOLVED: To provide a method for industrially producing a high-purity fluorocarboxylic acid in high yield. SOLUTION: The method for producing a fluorocarboxylic acid includes a step of obtaining a dehydrated fluorocarboxylic acid solution by removing at least part of water from a mixture of the water and a fluorocarboxylic acid, and a step of refining the dehydrated fluorocarboxylic acid solution. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：待解决的问题：提供以高产率工业生产高纯度氟代羧酸的方法。解决方案：氟代羧酸的制备方法包括通过从水和氟代羧酸的混合物中除去至少一部分水而获得脱水的氟代羧酸溶液的步骤，以及将脱水的氟代羧酸溶液。版权所有（C）2010，JPO＆INPIT

3. 发明专利

JP2009102266A Method for producing 2-perfluoroalkylethyl alcohol 有权
标题翻译：生产2-全氟烷基乙醇的方法
公开(公告)号：JP2009102266A
公开(公告)日：2009-05-14
申请号：JP2007276069
申请日：2007-10-24
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： MATSUDA YUKI , HIRASAKA TAKEOMI , ICHIDA TAKUYA
IPC分类号： C07C29/12 , C07C31/38
CPC分类号： C07C29/12 , C07C303/24 , C07C305/06 , C07C31/38
摘要： PROBLEM TO BE SOLVED: To produce a 2-perfluoroalkylethyl alcohol in a high yield. SOLUTION: This method for producing a 2-perfluoroalkylethyl alcohol comprises a first sulfation step of bringing a 2-perfluoroalkylethyl iodide into contact with fuming sulfuric acid to obtain a reaction mixture containing a 2-perfluoroalkylethyl sulfate and a bis(2-perfluoroalkylethyl) sulfate, a first hydrolysis step of hydrolyzing the 2-perfluoroalkylethyl sulfate formed in the first sulfation step to obtain a reaction mixture containing a 2-perfluoroalkylethyl alcohol; a second sulfation step of bringing the bis(2-perfluoroalkylethyl) sulfate formed in the first sulfation step into contact with fuming sulfuric acid to obtain a reaction mixture containing a 2-perfluoroalkylethyl sulfate, and a second hydrolysis step of hydrolyzing the 2-perfluoroalkylethyl sulfate formed in the second sulfation step to obtain a reaction mixture containing a 2-perfluoroalkylethyl alcohol. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：待解决的问题：以高产率生产2-全氟烷基乙醇。解决方案：该2-全氟烷基乙醇的制造方法包括使2-全氟烷基乙基碘与发烟硫酸接触的第一硫酸化步骤，得到含有2-全氟烷基乙基硫酸酯和双（2-全氟烷基乙基））硫酸盐，水解第一次硫酸化步骤中形成的2-全氟烷基乙基硫酸盐以获得含有2-全氟烷基乙醇的反应混合物的第一水解步骤; 将在第一硫酸化步骤中形成的双（2-全氟烷基乙基）硫酸盐与发烟硫酸接触的第二硫酸化步骤，得到含有2-全氟烷基乙基硫酸盐的反应混合物，和将2-全氟烷基乙基硫酸盐水解的第二水解步骤在第二次硫酸化步骤中形成，得到含有2-全氟烷基乙醇的反应混合物。版权所有（C）2009，JPO＆INPIT

4. 发明专利

JP2015017111A エーテル結合を有するフルオロカルボン酸の吸着方法と回収方法有权
标题翻译：吸附和回收具有乙烯键的氟代羧酸的方法
公开(公告)号：JP2015017111A
公开(公告)日：2015-01-29
申请号：JP2014183509
申请日：2014-09-09
申请人：ダイキン工業株式会社 , Daikin Ind Ltd
发明人： KURAMITSU MASAKI , ICHIDA TAKUYA
IPC分类号： C07C51/47 , B01J20/20 , C02F1/28 , C07C59/135
CPC分类号： C02F1/283 , B01J20/20 , B01J20/28004 , B01J20/28066 , B01J20/3416 , B01J20/3475 , C02F1/66 , C02F2101/36 , C02F2209/02 , C02F2303/16 , C07C51/47 , C07C59/315
摘要：【課題】エーテル結合を有するフルオロカルボン酸を高度に吸着させる方法およびフルオロカルボン酸を回収する方法の提供。【解決手段】エーテル結合を有するフルオロカルボン酸を含有した液と酸によりpH調整することによって向上した吸着性能を有する活性炭とを接触させることによりフルオロカルボン酸を該活性炭に吸着させ、フルオロカルボン酸含有量の低い液を得る。続いて、フルオロカルボン酸が吸着された該活性炭を加熱して、フルオロカルボン酸を脱着する。【選択図】図1
摘要翻译：要解决的问题：提供高吸附具有醚键的氟代羧酸的方法和回收氟代羧酸的方法。溶液：含有具有醚键的氟代羧酸的溶液和具有改善的吸附性能的活性炭，通过调节使酸与酸相互接触以将氟代羧酸吸附到活性炭上，从而获得具有少量氟代羧酸含量的溶液。随后，加热氟代羧酸被吸附的活性炭以解吸氟代羧酸。

5. 发明专利

JP2005350377A Method for producing fluorine-containing carboxylic acid or fluorine-containing carboxylate 审中-公开
标题翻译：含有含氟羧酸的羧酸或含氟羧酸的方法
公开(公告)号：JP2005350377A
公开(公告)日：2005-12-22
申请号：JP2004170827
申请日：2004-06-09
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： KATSUBE TOSHIYUKI , ICHIDA TAKUYA
IPC分类号： C07C51/285 , C07C51/25 , C07C51/275 , C07C51/34 , C07C53/21
摘要： PROBLEM TO BE SOLVED: To provide a method for producing fluorine-containing carboxylic acid or fluorine-containing carboxylate. SOLUTION: The fluorine-containing carboxylic acid [when M in formula (II) is H] or the fluorine-containing carboxylate [when M in formula (II) is a metal], represented by general formula (II) Rf-COOM [wherein Rf is a 1-20C fluoroalkyl; and M is H or the metal], is produced by reacting a fluorine-containing alkene of general formula (I) Rf-CF=CH-R [wherein Rf is the same as represented in formula (II); and R is a (substituted) alkyl] with an oxidizer. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：待解决的问题：提供一种制备含氟羧酸或含氟羧酸酯的方法。解决方案：式（II）中M表示的含氟羧酸为H]或含氟羧酸酯[式（II）中的M为金属]，由通式（II）表示Rf- COOM [其中Rf为1-20C氟烷基; 通过使通式（I）的含氟烯烃Rf-CF = CH-R [其中Rf与式（II）中所示的相同）反应生成。和R是具有氧化剂的（取代的）烷基]。版权所有（C）2006，JPO＆NCIPI

6. 发明申请

WO2004031141A2 PROCESS FOR PREPARING FLUOROCARBOXYLIC ACIDS 审中-公开
标题翻译：制备氟代羧酸的方法
公开(公告)号：WO2004031141A2
公开(公告)日：2004-04-15
申请号：PCT/US0328548
申请日：2003-09-29
申请人： DAIKIN IND LTD , DU PONT , FU TA-WEI , SWEARINGEN STEVEN H , ICHIDA TAKUYA , ITATANI SHUJI
发明人： FU TA-WEI , SWEARINGEN STEVEN H , ICHIDA TAKUYA , ITATANI SHUJI
IPC分类号： C07C51/02 , C07C51/48 , C07C59/135 , C07D
CPC分类号： C07C51/48 , C07C51/02 , C07C59/135 , C07C53/21
摘要： A fluorocarboxylic acid preparation process continuously carries out acidification reaction treatment and washing treatment, and includes subjecting a fluorocarboxylate-containing aqueous solution to acidification reaction treatment in the presence of sulfuric acid so as to form a sulfate-containing fluorocarboxylic acid phase; and subjecting the fluorocarboxylic acid phase to washing treatment using an aqueous sulfuric acid solution.
摘要翻译：氟代羧酸制备方法连续进行酸化反应处理和洗涤处理，并且包括使含有氟代羧酸盐的水溶液在硫酸存在下进行酸化反应处理以形成含硫酸盐的氟代羧酸相; 并使用硫酸水溶液对氟代羧酸相进行洗涤处理。

7. 发明申请

WO2004029008A3 PROCESS FOR PREPARING FLUOROCARBOXYLIC ACIDS 审中-公开
标题翻译：制备氟代羧酸的方法
公开(公告)号：WO2004029008A3
公开(公告)日：2004-07-01
申请号：PCT/US0326306
申请日：2003-09-24
申请人： DU PONT , DAIKIN IND LTD , FU TA-WEI , SWEARINGEN STEVEN H , ICHIDA TAKUYA , YOSHII SHIGEYUKI
发明人： FU TA-WEI , SWEARINGEN STEVEN H , ICHIDA TAKUYA , YOSHII SHIGEYUKI
IPC分类号： C07C51/04 , C07C51/48 , C07C59/135 , C07C51/00 , C07C53/21
CPC分类号： C07C51/04 , C07C51/48 , C07C59/135 , C07C53/21
摘要： A fluorocarboxylic acid preparation process which includes hydrolyzing fluorocarboxylic acid fluoride in the presence of an aqueous sulfuric acid solution to form a reaction product containing a fluorocarboxylic acid and hydrogen fluoride (present as hydrofluoric acid); and removing at least some of the hydrogen fluoride from the reaction product by washing the reaction production with aqueous sulfuric acid solution. The hydrolyzing and washing are carried out at a temperature at which the fluorocarboxylic acid is a liquid.
摘要翻译：一种氟代羧酸制备方法，其包括在硫酸水溶液存在下水解氟代羧酸，形成含有氟代羧酸和氟化氢（以氢氟酸形式存在）的反应产物; 并通过用硫酸水溶液洗涤反应生成，从反应产物中除去至少一些氟化氢。水解和洗涤在氟代羧酸是液体的温度下进行。

8. 发明专利

JP2013224266A Method for producing fluoroalkyl iodide 有权
标题翻译：生产氟代碘化物的方法
公开(公告)号：JP2013224266A
公开(公告)日：2013-10-31
申请号：JP2012095934
申请日：2012-04-19
申请人： Daikin Industries Ltd , ダイキン工業株式会社
发明人： HIRASAKA TAKEOMI , ICHIDA TAKUYA , HASEGAWA TOMOKUNI
IPC分类号： C07C17/278 , C07B61/00 , C07C19/16
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a fluoroalkyl iodide in high selectivity by using a reactor having a compact size.SOLUTION: A method for producing a fluoroalkyl iodide represented by formula (II): Rf-(CFCF)-I (wherein, Rf is a 1-6C fluoroalkyl group; and n is an integer of 1-4) by telomerizing tetrafluoroethylene with a fluoroalkyl iodide represented by formula (I): RfI (wherein, Rf is the same as that in the formula (II)) in a reactor includes reacting the perfluoroalkyl iodide with the tetrafluoroethylene by extracting the reaction liquid in the reactor, sucking a gas containing the tetrafluoroethylene from a sucking port of an ejector into the ejector, and ejecting a mixture of the reaction liquid and the gas containing the tetrafluoroethylene into the reactor.
摘要翻译：要解决的问题：提供通过使用具有紧凑尺寸的反应器以高选择性制备氟代烷基碘的方法。溶液：由式（II）表示的氟代烷基碘的制备方法：Rf-（CFCF）其中，Rf为1-6C氟代烷基; n为1-4的整数），通过用式（I）表示的氟烷基碘调节四氟乙烯：RfI（其中，Rf与式（II）中相同）））包括使全氟烷基碘与四氟乙烯反应，通过萃取反应器中的反应液体，从喷射器的吸入口将含有四氟乙烯的气体吸入喷射器，并喷射反应液体和气体的混合物含有四氟乙烯进入反应器。

9. 发明专利

DE60131554D1 未知
公开(公告)号：DE60131554D1
公开(公告)日：2008-01-03
申请号：DE60131554
申请日：2001-08-08
申请人： DAIKIN IND LTD
发明人： ICHIDA TAKUYA , KONDO MASAHIRO
IPC分类号： C08F6/00 , B01D61/02 , B01D61/04 , B01D69/12 , B01D71/56 , B01D71/64 , B01D71/68 , C07C51/42 , C07C53/21 , C08F2/26 , C08F6/22 , C08F14/18 , C08F16/24 , C08L27/12
摘要： Upon recovering a fluorochemical surfactant from a fluorochemical-containing aqueous solution, there is provided a method for recovering the fluorochemical surfactant from the aqueous solution containing the surfactant. In the method, the fluorochemical surfactant is recovered by subjecting the aqueous solution containing the fluorochemical surfactant to a filtration treatment step with a reverse osmosis membrane so as to obtain from the aqueous solution, a concentrated aqueous solution in which the concentration of the fluorochemical surfactant is increased.

10. 发明专利

DE60329305D1 未知
公开(公告)号：DE60329305D1
公开(公告)日：2009-10-29
申请号：DE60329305
申请日：2003-09-24
申请人： DU PONT , DAIKIN IND LTD
发明人： FU TA-WEI , SWEARINGEN STEVEN H , ICHIDA TAKUYA , YOSHII SHIGEYUKI
IPC分类号： C07C51/00 , C07C51/04 , C07C51/48 , C07C53/21 , C07C59/135
摘要： A fluorocarboxylic acid preparation process which includes hydrolyzing fluorocarboxylic acid fluoride in the presence of an aqueous sulfuric acid solution to form a reaction product containing a fluorocarboxylic acid and hydrogen fluoride (present as hydrofluoric acid); and removing at least some of the hydrogen fluoride from the reaction product by washing the reaction production with aqueous sulfuric acid solution. The hydrolyzing and washing are carried out at a temperature at which the fluorocarboxylic acid is a liquid.

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