WO2005102984A1 - 含フッ素アクリル酸エステルの製造方法 - Google Patents
含フッ素アクリル酸エステルの製造方法 Download PDFInfo
- Publication number
- WO2005102984A1 WO2005102984A1 PCT/JP2005/007330 JP2005007330W WO2005102984A1 WO 2005102984 A1 WO2005102984 A1 WO 2005102984A1 JP 2005007330 W JP2005007330 W JP 2005007330W WO 2005102984 A1 WO2005102984 A1 WO 2005102984A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- mixture
- formula
- distillation
- fluorine
- represented
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/38—Separation; Purification; Stabilisation; Use of additives
- C07C17/383—Separation; Purification; Stabilisation; Use of additives by distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C67/54—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
Definitions
- the present invention relates to a method for producing a mixture of fluorinated acrylates containing less impurities.
- R 1 represents a hydrogen atom, a methyl group or a halogen atom, and n is an integer of 0 or more.
- the fluorinated acrylic acid ester represented by is used as a monomer in the production of a fluorinated phthalate-based polymer which is an active ingredient of a water / oil repellent.
- Various methods have been proposed for producing this monomer in advance.
- Japanese Patent Publication No. 39-18112 and Japanese Patent Publication No. 48-30611 describe a reaction between a fluorinated alkylnode and an alkali metal salt of a carboxylic acid in a specific solvent.
- a method is disclosed.
- Japanese Patent Publication No. Hei 4-16451, Japanese Patent Publication No. Hei 4-16452 and Japanese Patent Publication No. 61-57813 disclose a method for producing a fluorine-containing ester, and the fluorine-containing ester obtained by the method is disclosed in It mentions that the ester can be converted to an acrylic ester.
- 9-59215 discloses that a fluorine-containing acryl-containing compound represented by the above formula (1) is obtained by reacting a fluorine-containing alkylnode with a specific betaine compound and treating with an alkali. A method for producing an acid ester is disclosed.
- a method for producing a fluorinated acrylate a method is also known in which a fluoroalkyl halide is converted into a fluorinated alkyl alcohol and then converted to a fluorinated acrylate.
- Japanese Patent Application Laid-Open No. 59-181239 discloses a method for producing a fluorinated acrylic ester by reacting a fluorinated alkyl alcohol with acrylic acid or methacrylic acid in the presence of concentrated sulfuric acid or fuming sulfuric acid.
- the JP-A-2-295948 discloses a method of reacting a fluorinated alkyl alcohol with methacrylic acid in the presence of phosphoric anhydride.
- No. 3,719,698 describes that a fluorinated alkyl alcohol is added to a conjugate obtained by reacting acrylic acid or methacrylic acid with an anhydride of trifluoroacetic acid, followed by calcination.
- a method for producing a fluorine acrylate ester is disclosed.
- JP-A-59-117503, JP-A-59-117504 and JP-A-3-163044 disclose acrylic acid or methacrylic acid nodide with a fluorine-containing alcohol.
- a method of producing a fluorinated acrylate by reacting in an aqueous solution of an alkali metal hydroxide is disclosed.
- RI is a fluoroalkyl group f f
- Fluoroalkyl iodides are used.
- ethylene is used by adding it to the method described in Japanese Patent Publication No. 61-57813.
- this is used as a raw material for alcohol.
- RI is, for example, a telomer produced by a telomerization reaction.
- a preferable monomer constituting the polymer of the water / oil repellent is one having n force or more in the above formula (1).
- the compounds represented by the formulas (2) and (3) be removed from the polymer, so that the PFOA becomes the final product. Can be avoided.
- the present inventors examined the possibility of efficiently removing these compounds by distillation, and as a result, came up with the present invention.
- the present inventors when performing distillation by adding a polymerization inhibitor to suppress the polymerization of the monomer represented by the formula (1), due to deterioration of the polymerization inhibitor and the like, Distillation was not carried out effectively! I found that a new problem could occur, such as I and II. As a result of studying to solve this problem, I came to come up with the present invention.
- R 1 represents a hydrogen atom, a methyl group or a halogen atom, and n is an integer of 0 or more.
- step (b) Distilling the mixture obtained in step (a), and mixing a mixture of a fluorinated olefin having the formula (2) and / or a fluorinated alcohol represented by the formula (3) contained in the mixture.
- CF (CF) CH CH (2) (Where n is an integer of 0 or more)
- n is an integer of 0 or more
- distillation is carried out in a distillation column using a packing column having a metal-free material having a standard electrode potential of ⁇ 0.3 V or less and also having a Z or internal structure.
- the present invention provides a production method which is carried out by introducing oxygen into the product.
- the "mixture of fluorinated acrylic acid esters” refers to a mixture containing two or more esters having different values of n in the formula (1).
- the fluorinated acrylate can be obtained as a mixture in which the value of the force n obtained as such a mixture is specified to only one.
- the “mixture” t, Terms are used.
- ⁇ mixture '' is used for a compound containing a letter such as ⁇ n '' corresponding to the degree of polymerization in the chemical formula, in the sense of including a plurality of compounds having different n. Is done.
- the symbol “ ⁇ ” may be used to generically refer to compounds in which n is equal to or greater than k, and the symbol “ ⁇ ” may be used to generically refer to compounds in which n is equal to or less than k. .
- the mixing ratio of the compounds represented by the formulas (2) and Z or the formula (3) is reduced.
- the distillation is performed.
- a mixture having a higher proportion of the ester represented by the formula (1) can be obtained.
- Distillation is an efficient method for removing the compounds represented by formulas (2) and (3), and is also suitable for industrial mass production.
- the packing and Z or the internal structure of the distillation column with a material having a low standard electrode potential and containing no metal, and introducing oxygen into the distillation column, the fluorine-containing acrylic acid ester is distilled. Prevents polymerization during
- step (a) corresponds to a step of performing a conventional method for producing a mixture of fluorinated acrylates. Specifically, step (a) is performed, for example, according to the method described in the above-mentioned literature.
- the present invention also provides a method for producing a polymer by polymerizing a mixture of the fluorinated acrylate produced by the production method of the present invention. In the method for producing a polymer of the present invention, a starting material (monomer) having small impurities is used, so that the obtained polymer also has small impurities.
- the present invention provides a purification method for increasing the purity of the fluorinated acrylate.
- the production method of the present invention makes it possible to obtain a mixture of fluorinated acrylates having less impurities.
- the ester mixture with less impurities improves the quality of the final product (eg, water and oil repellent) by polymerizing it. Further, generation of PFOA derived from impurities can be reduced.
- Step (a) is performed according to any method for synthesizing the fluorinated acrylate represented by the formula (1) as described above. Specifically, for example,
- a mixture of fluoroalkyl iodides represented by the following formula (1) is prepared by adding ethylene to the mixture, and a mixture of ethylene-added compounds represented by CF (CF) CHCHI is produced.
- a mixture of fluoroalkyl iodides represented by the following formula (1) is prepared by adding ethylene to the mixture, and a mixture of ethylene-added compounds represented by CF (CF) CHCHI is produced.
- step (a) is preferably performed so that the resulting mixture contains a large amount of esters with n ⁇ 7.
- step (a) is carried out by the above method (a-1)
- an operation for obtaining a mixture containing a large amount of n> 7 fluoroalkyl iodide by distillation before the kneading with ethylene is performed. (Specifically, distillation) is preferably performed, followed by addition of ethylene and the like.
- the mixture after the addition of ethylene is subjected to distillation to obtain a mixture containing a large amount of an ethylene adduct with n ⁇ 7, and this is reacted with the acrylic acid conjugate.
- the step (a) is carried out by the method (a-2)
- the mixture obtained by adding ethylene to fluoroalkyl iodide is subjected to distillation. It is preferred to obtain a mixture enriched in ethylene adducts with n ⁇ 7 and convert this to alcohol.
- Step (b) is performed as a distillation step. Distillation, when carried out industrially, is usually carried out as rectification. Hereinafter, a preferred distillation method performed in the production method of the present invention will be described.
- the distillation in the step (b) may be performed by adding a polymerization inhibitor to the mixture obtained in the step (a) in order to prevent the fluorinated acrylate from being polymerized during the distillation.
- a polymerization inhibitor include, but are not limited to, hydroquinone and hydroquinone monomethyl ether.
- step (b) particularly when a polymerization inhibitor is used, distillation is carried out using a material and a Z or an internal structure containing no metal having a standard electrode potential of -0.3 V or less. It is preferably carried out using a distillation column equipped with
- the internal structure refers to a member arranged in the distillation column, for example, a perforated plate, a baffle plate, a weir, a downcomer, etc., arranged in the distillation column.
- the polymerization inhibitor may not exhibit the polymerization inhibition effect when heated to a high temperature, and in some cases.
- the present inventors have further found that when a metal having a low standard electrode potential such as iron is present in the distillation column, the polymerization inhibitor tends to deteriorate due to the influence of the metal and generate impurities. It has been found that the effective amount of the polymerization inhibitor decreases due to the deterioration, and that the polymerization easily occurs.
- the present invention requires that the packing and the Z or internal structure in the distillation column be made of a material that does not promote the deterioration of the polymerization inhibitor, based on strong knowledge.
- such a material is a material that does not include a metal having a standard electrode potential of ⁇ 0.3 V or less, and specifically, includes a resin, a metal oxide, and a standard electrode potential of ⁇ 0.3 V or less.
- the filler and Z or the internal structure are a mixture of resin and metal, regardless of the mixing ratio of the metal, the standard electrode potential of the metal is lower than ⁇ 0.3 V. It must be a high metal.
- Suitable resins for composing the filler and Z or internal structure are, for example, poly (perfluorooctylethyl acrylate), polytetrafluoroethylene, hexafluoroethylene-hexafluoroethylene.
- a metal oxide suitable for constituting the filler and Z or the internal structure is, for example, alumina.
- Suitable metals for constituting the filling and z or internals are, for example, copper and nickel.
- the filling and Z or internals may also be made of glass.
- the packing is packed into the distillation column in the form of particles.
- the packing may be particles of a mixture of two or more materials. Alternatively, the packing may be made by mixing two or more types of particles composed of different resins and filling the distillation column, or by mixing particles composed of metal and particles composed of resin into the distillation column. Good.
- a lining that does not contain a metal having a standard electrode potential of ⁇ 0.3 V or less and has a material strength in the distillation column. Deterioration of the polymerization inhibitor inside the distillation column by setting the inner wall surface of the distillation column, which consists only of the packing and the internal structure, of a metal-free material with a standard electrode potential of -0.3 V or less Can be more effectively prevented, and therefore, polymerization of the fluorinated acrylate during distillation can be more effectively prevented. Resins and metals suitable for constituting the lining are as described above in relation to the filler and the like. Linin The brush may be composed of a mixture of two or more resins or composed of two or more layers. The lining may be made of glass.
- step (b) particularly when a polymerization inhibitor is used, it is preferable to carry out the distillation while introducing oxygen or a gas containing oxygen (eg, air) into the distillation column.
- oxygen or a gas containing oxygen eg, air
- Oxygen itself is preferably used because it acts as a polymerization inhibitor and acts synergistically with a polymerization inhibitor such as hydroquinone or hydroquinone monomethyl ether to exhibit a higher polymerization inhibitory effect. That is, by introducing oxygen, the amount of the polymerization inhibitor added can be reduced, so that the amount of impurities derived from the polymerization inhibitor can be reduced in the finally obtained ester mixture.
- Oxygen or a gas containing oxygen is preferably introduced such that the oxygen concentration in the distillation column is 0.1 mol% to 10 mol% based on the total number of moles of the gas phase components in the distillation column. preferable.
- the amount of gas introduced is adjusted according to the proportion of oxygen in the gas.
- the ratio of the compound represented by the above formula (2) and Z or the compound represented by the above formula (3) contained in the mixture obtained in the step (a) is determined. Implemented to reduce.
- the distillation is carried out exclusively to remove it, and the distillation is carried out as shown in the above (3). If only compounds are included as impurities, distillation is performed exclusively to remove them.
- the mixture obtained in the step (a) may contain both the compounds represented by the formulas (2) and (3).
- the present invention is applicable in any of those cases, and uses the terms "and Z or" in that sense.
- a telomerization reaction using CFI as a telogen and tetrafluoroethylene as a taxogen is used.
- esters produced using this fluoroalkyl iodide have the formula (10)
- R 1 represents a hydrogen atom, a methyl group or a halogen atom, and X is an integer of 1 or more.
- 80 mole 0/0 step as a mixture comprising more than can be obtained: (a) performing Te, upon distillation of the mixture in the step (b), the relative to the total number of moles of the fluorine-containing compounds obtained as a distillate,
- the mixing ratio of the fluorinated olefins represented by the formula (2) where n is 9 or less is substantially 0 mol%, and the mixing ratio of the fluorinated olefins where n is 10 or more is 0 to 0.05 mol%. It is preferable to adopt such conditions.
- Step (a) is carried out so as to obtain a mixture containing at least 80 mol%, and when the mixture is distilled in step (b), the total amount of the fluorinated compound obtained as a fraction is represented by the formula ( indicated by 3), mixed-rate of the fluorinated alcohol n is 8 or less substantially 0 mol%, the mixing ratio of the fluorine-containing alcohol n is 9 0 to 0.0 5 moles 0/0, It is preferable to adopt a condition in which the mixing ratio of the fluorinated alcohol in which n is 10 or more is 0 to 0.1 mol%.
- a certain component is “substantially 0 mol%” means that the component is not detected by ordinary gas chromatography, and within that range, the component is extremely small in the mixture. Note that it is included in small quantities!
- step (a) and step (b) so as to include a large amount of the ester having a value of n of 7 or 9, the impurities are reduced and the water repellency is reduced.
- a monomer mixture capable of forming a polymer useful as an effective component of the oil agent can be obtained.
- the distillation in the step (b) may be performed, specifically, at a column bottom temperature of 60 to 160 ° C and a column internal pressure of 0.5 to 5 kPa. And the number of theoretical plates is 10 to 35
- the method of the present invention can be applied regardless of the value of n.
- the problem due to the deterioration of the polymerization inhibitor and the polymerization of the ester during the distillation are more likely to occur as the value of n of the component to be obtained as the main component becomes larger (i.e., in step (b)). The higher the temperature at the bottom of the distillation, the more pronounced.
- the packing and Z or the internal structure in the distillation column used for the distillation in step (b) are formed of resin or the like, and the distillation in step (b) is performed.
- Introducing oxygen into the distillation column is preferably carried out when it is desired to obtain a large number of components, especially n ⁇ 7, in the mixture.
- Step (b) can also be performed as a method for increasing the purity of the mixture of the fluorinated acrylate. That is, step (b) can be carried out as an independent method for purifying the fluorinated acrylate.
- a fluorinated acrylate polymer By subjecting the mixture obtained in step (b) to a polymerization step, a fluorinated acrylate polymer can be obtained.
- the polymerization may be carried out under any conventional polymerization conditions.
- the resulting polymer has excellent quality because it contains small amounts of impurities.
- the resulting polymers include textiles, stones, filters (eg, electrostatic filters), dust masks, fuel cells, glass, paper, wood, leather, fur, asbestos, bricks, cement, metals and oxides, ceramic products, and It is useful as a water and oil repellent for treating the surface of substrates such as plastics.
- the resulting polymer is also useful as a water / oil / oil repellent / antifouling agent for carpets.
- the fluoroalkyl 1,576 g (2.67 mol) of ethylene adduct of iodide, 320 g (2.90 mol) of potassium acrylate, 680 mL of tert-butyl alcohol, 1.8 g of hydroquinone as a polymerization inhibitor, and 0.32 g of hydroquinone monomethyl ether was charged in an autoclave having a volume of 3 L, and heated to 180 to 190 ° C. to react for 6 hours. After the reaction, the reaction mixture was cooled. Then, the by-product KI was removed by filtration.
- the filtrate was distilled to remove tert-butyl alcohol, and 1288 g of a reaction mixture having the composition shown in Table 1 below was obtained.
- the reaction mixture was weighed and poured into stills, and the pressure in the rectification column was set to 0.9 kPa, the still temperature was set to 160 ° C, and air was sent to the stills at a flow rate of 20 mlZmin. Distillation was performed for 2 hours, with the oxygen concentration in the distillation column relative to the total number of moles of the phase components being 1 mol%.
- the continuous distillation was carried out using an Oldershort 20-stage distillation column made entirely of glass (including internal structures).
- Rectification was carried out so as to cut off the first fraction and the second fraction, and adjusted so that fluoroalkyl iodide with n ⁇ 6 and n ⁇ 10 was not contained in the mixture. After that, it was obtained by heating with ethylene. After weighing out 500 g of this reaction mixture and putting it in a still, 22 g of quinone at the hydration port was weighed, the pressure in the distillation column was set to 0.9 kPa, the still temperature was set to 160 ° C, and the air was distilled at a flow rate of 20 mlZmin. The continuous distillation was carried out while the oxygen concentration in the distillation column was 1 mol% relative to the total number of moles of the gas phase components in the distillation column.
- Example 2 As shown in Table 2, in Example 2, as in Example 1, a mixture of fluorine-containing acrylates having a low impurity content V and high purity was obtained. Specifically, as impurities,
- Example 3 As shown in Table 3, in Example 3, as in Examples 1 and 2, Of fluorinated acrylate with high purity and low content of
- Comparative Example 2 is a production example using a distillation column in which the internal structure was formed of iron having a low standard electrode potential. As shown in Table 4, in Comparative Example 2, as in Examples 2 and 3, a mixture of high-purity fluorinated acrylates having a small impurity content was obtained. However, the recovery rate was low, and the obtained distillate was colored yellow-brown, and could not be used as a product.
- the production method of the present invention is characterized in that the fluorine-containing compound represented by the formula CF (CF) CHCHOCOCR ⁇ CH is used.
- the mixture of fluorinated acrylates obtained by this production method is suitable for use as a monomer for producing various polymers by selecting the value of n, and particularly when the value of n is 7 and Z. Or, when it is selected to 9, it can be used as a monomer to produce a polymer useful as a water / oil repellent.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006512527A JPWO2005102984A1 (ja) | 2004-04-26 | 2005-04-15 | 含フッ素アクリル酸エステルの製造方法 |
US11/587,599 US20070232766A1 (en) | 2004-04-26 | 2005-04-15 | Method for Producing Fluorine-Containing Acrylic Ester |
EP05730649A EP1757578A4 (en) | 2004-04-26 | 2005-04-15 | PROCESS FOR PREPARING FLUORIZED ACRYLIC ACID ESTERS |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004129715 | 2004-04-26 | ||
JP2004-129715 | 2004-04-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005102984A1 true WO2005102984A1 (ja) | 2005-11-03 |
Family
ID=35196900
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/007330 WO2005102984A1 (ja) | 2004-04-26 | 2005-04-15 | 含フッ素アクリル酸エステルの製造方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20070232766A1 (ja) |
EP (1) | EP1757578A4 (ja) |
JP (1) | JPWO2005102984A1 (ja) |
CN (1) | CN1946669A (ja) |
WO (1) | WO2005102984A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009093487A1 (ja) * | 2008-01-25 | 2009-07-30 | Daikin Industries, Ltd. | オレフィン-アルコール共沸混合物の分離方法 |
JP2011528008A (ja) * | 2008-07-16 | 2011-11-10 | ワッカー ケミー アクチエンゲゼルシャフト | 不飽和有機珪素化合物の重合を阻止する方法 |
WO2022039241A1 (ja) * | 2020-08-19 | 2022-02-24 | ダイキン工業株式会社 | アクリル酸エステル化合物の精製方法 |
WO2023181926A1 (ja) * | 2022-03-25 | 2023-09-28 | 三菱瓦斯化学株式会社 | (メタ)アクリル酸モノマーおよび/または(メタ)アクリル酸エステルモノマーの精製方法 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5274035B2 (ja) * | 2007-03-27 | 2013-08-28 | 三洋電機株式会社 | 燃料電池 |
EP3333151B1 (en) * | 2015-08-07 | 2021-03-17 | Daikin Industries, Ltd. | Water elimination method |
CN113929573A (zh) * | 2021-10-15 | 2022-01-14 | 福建三农新材料有限责任公司 | 一种短碳链全氟烷基己基丙烯酸酯的制备方法及系统 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10504553A (ja) * | 1994-08-18 | 1998-05-06 | シエル・インターナシヨネイル・リサーチ・マーチヤツピイ・ベー・ウイ | 精製アクリル酸エステルの調製方法 |
JP2000319225A (ja) * | 1999-04-28 | 2000-11-21 | Mitsubishi Rayon Co Ltd | メタクリル酸アルキルエステルの製造方法 |
JP2001181233A (ja) * | 1999-10-12 | 2001-07-03 | Nippon Shokubai Co Ltd | (メタ)アクリル酸エステルの製造方法 |
JP2002047248A (ja) * | 2000-07-28 | 2002-02-12 | Dai Ichi Kogyo Seiyaku Co Ltd | (メタ)アクリル酸エステルの製造方法 |
WO2002062735A1 (fr) * | 2001-02-07 | 2002-08-15 | Daikin Industries, Ltd. | Procede de preparation d'un melange de telomeres de iodure de fluoroalkyle et procede de preparation d'un ester de (meth)acrylate contenant du fluor |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3239557A (en) * | 1962-01-18 | 1966-03-08 | Du Pont | Process for converting halides to esters |
US3719698A (en) * | 1967-11-27 | 1973-03-06 | Stevens & Co Inc J P | Polyfluorinated esters of acids containing silicon and amino groups |
FR2463113A1 (fr) * | 1979-08-08 | 1981-02-20 | Ugine Kuhlmann | Procede de preparation des 1,1,2,2, tetrahydro perfluoro alcanols et des esters de ces alcools |
US4590301A (en) * | 1984-10-24 | 1986-05-20 | Barnes-Hind, Inc. | Polymerization inhibitors |
NO165188C (no) * | 1986-12-22 | 1991-01-09 | Atochem | Syntese av 1,1,2,2-tetrahydroperfluoralkanoler og deres estere. |
NO166122C (no) * | 1986-12-22 | 1991-06-05 | Atochem | Fremgangsmaate for fremstilling av en blanding av 1,1,2,2-tetrahydroperfluoralkanoler og deres estere. |
US5638322A (en) * | 1995-07-19 | 1997-06-10 | Cypress Semiconductor Corp. | Apparatus and method for improving common mode noise rejection in pseudo-differential sense amplifiers |
US6649787B1 (en) * | 1999-10-12 | 2003-11-18 | Nippon Shokubai Co., Ltd. | Method for preparing (meth) acrylic acid ester |
JP2004359616A (ja) * | 2003-06-05 | 2004-12-24 | Asahi Glass Co Ltd | (メタ)アクリル酸ポリフルオロアルキルエステルの製造方法 |
-
2005
- 2005-04-15 JP JP2006512527A patent/JPWO2005102984A1/ja active Pending
- 2005-04-15 WO PCT/JP2005/007330 patent/WO2005102984A1/ja active Application Filing
- 2005-04-15 EP EP05730649A patent/EP1757578A4/en not_active Withdrawn
- 2005-04-15 CN CNA200580013320XA patent/CN1946669A/zh active Pending
- 2005-04-15 US US11/587,599 patent/US20070232766A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10504553A (ja) * | 1994-08-18 | 1998-05-06 | シエル・インターナシヨネイル・リサーチ・マーチヤツピイ・ベー・ウイ | 精製アクリル酸エステルの調製方法 |
JP2000319225A (ja) * | 1999-04-28 | 2000-11-21 | Mitsubishi Rayon Co Ltd | メタクリル酸アルキルエステルの製造方法 |
JP2001181233A (ja) * | 1999-10-12 | 2001-07-03 | Nippon Shokubai Co Ltd | (メタ)アクリル酸エステルの製造方法 |
JP2002047248A (ja) * | 2000-07-28 | 2002-02-12 | Dai Ichi Kogyo Seiyaku Co Ltd | (メタ)アクリル酸エステルの製造方法 |
WO2002062735A1 (fr) * | 2001-02-07 | 2002-08-15 | Daikin Industries, Ltd. | Procede de preparation d'un melange de telomeres de iodure de fluoroalkyle et procede de preparation d'un ester de (meth)acrylate contenant du fluor |
Non-Patent Citations (1)
Title |
---|
See also references of EP1757578A4 * |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009093487A1 (ja) * | 2008-01-25 | 2009-07-30 | Daikin Industries, Ltd. | オレフィン-アルコール共沸混合物の分離方法 |
JP2009173588A (ja) * | 2008-01-25 | 2009-08-06 | Daikin Ind Ltd | オレフィン−アルコール共沸混合物の分離方法 |
US8143440B2 (en) | 2008-01-25 | 2012-03-27 | Daikin Industries, Ltd. | Method for separation of olefin-alcohol azeotropic mixture |
JP2011528008A (ja) * | 2008-07-16 | 2011-11-10 | ワッカー ケミー アクチエンゲゼルシャフト | 不飽和有機珪素化合物の重合を阻止する方法 |
WO2022039241A1 (ja) * | 2020-08-19 | 2022-02-24 | ダイキン工業株式会社 | アクリル酸エステル化合物の精製方法 |
JP7029100B1 (ja) | 2020-08-19 | 2022-03-03 | ダイキン工業株式会社 | アクリル酸エステル化合物の精製方法 |
JP2022042483A (ja) * | 2020-08-19 | 2022-03-14 | ダイキン工業株式会社 | アクリル酸エステル化合物の精製方法 |
WO2023181926A1 (ja) * | 2022-03-25 | 2023-09-28 | 三菱瓦斯化学株式会社 | (メタ)アクリル酸モノマーおよび/または(メタ)アクリル酸エステルモノマーの精製方法 |
Also Published As
Publication number | Publication date |
---|---|
CN1946669A (zh) | 2007-04-11 |
JPWO2005102984A1 (ja) | 2008-03-13 |
EP1757578A1 (en) | 2007-02-28 |
EP1757578A4 (en) | 2008-04-09 |
US20070232766A1 (en) | 2007-10-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100791504B1 (ko) | 플루오로비닐에테르 및 그것으로부터 얻을 수 있는 중합체 | |
JP5128492B2 (ja) | フルオロポリマーを製造するためのフッ素化界面活性剤 | |
WO2005102984A1 (ja) | 含フッ素アクリル酸エステルの製造方法 | |
US7390917B2 (en) | Method for producing mixture of fluoroalkyl iodide telomers and method for producing mixture of fluorine-containing (meth)acrylate esters | |
US8357772B2 (en) | Terminally iodized polyfluoroalkane and method for producing the same | |
WO2005102983A1 (ja) | 含フッ素アクリル酸エステルの製造方法 | |
CA2659497C (en) | Polyfluoroalkane carboxylic acid fluoride, process for producing the same and process for producing polyfluoroalkane carboxylic acid using the same | |
JPWO2005102982A1 (ja) | 含フッ素(メタ)アクリル酸エステルの製造方法 | |
EP3178806B1 (en) | Mixture of polyfluoroalkene carboxylic acid or salt thereof and production method therefor | |
JPH035434A (ja) | テロマーアルコールの製造方法 | |
WO2009123091A1 (ja) | 含フッ素(メタ)アクリル酸エステル混合物の製造方法 | |
US20090018294A1 (en) | Terminally Iodized Polyfluoroalkane Oligomer and Process for Producing the Same | |
JPH0552295B2 (ja) | ||
JP2792983B2 (ja) | α―ブロモ‐アシル‐フルオリドの製造法 | |
JP6074670B2 (ja) | ペルフルオロアルケニルオキシ基含有アレーン化合物の製造法 | |
JPH09249657A (ja) | (メタ)アクリル酸グリシジルの精製方法 | |
CA1321402C (en) | Purification of telomers prepared from chlorotrifluoroethylene and trichlorotrifluoroethane | |
JPH07267906A (ja) | 不飽和4級アンモニウム塩水溶液の製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 200580013320.X Country of ref document: CN |
|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KM KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2006512527 Country of ref document: JP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 11587599 Country of ref document: US Ref document number: 2007232766 Country of ref document: US |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWW | Wipo information: withdrawn in national office |
Ref document number: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2005730649 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 2005730649 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 11587599 Country of ref document: US |