WO2011052178A1 - 不飽和カルボン酸および/またはその誘導体の合成方法 - Google Patents
不飽和カルボン酸および/またはその誘導体の合成方法 Download PDFInfo
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- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/08—Silica
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- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/18—Carbon
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/14—Phosphorus; Compounds thereof
- B01J27/16—Phosphorus; Compounds thereof containing oxygen, i.e. acids, anhydrides and their derivates with N, S, B or halogens without carriers or on carriers based on C, Si, Al or Zr; also salts of Si, Al and Zr
- B01J27/18—Phosphorus; Compounds thereof containing oxygen, i.e. acids, anhydrides and their derivates with N, S, B or halogens without carriers or on carriers based on C, Si, Al or Zr; also salts of Si, Al and Zr with metals other than Al or Zr
- B01J27/1802—Salts or mixtures of anhydrides with compounds of other metals than V, Nb, Ta, Cr, Mo, W, Mn, Tc, Re, e.g. phosphates, thiophosphates
- B01J27/1806—Salts or mixtures of anhydrides with compounds of other metals than V, Nb, Ta, Cr, Mo, W, Mn, Tc, Re, e.g. phosphates, thiophosphates with alkaline or alkaline earth metals
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- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
- B01J37/0027—Powdering
- B01J37/0036—Grinding
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- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0201—Impregnation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/03—Precipitation; Co-precipitation
- B01J37/031—Precipitation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/03—Precipitation; Co-precipitation
- B01J37/031—Precipitation
- B01J37/035—Precipitation on carriers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/04—Mixing
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
- C07C51/377—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
- C07C67/317—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups
- C07C67/327—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups by elimination of functional groups containing oxygen only in singly bound form
Definitions
- the present invention relates to a method for synthesizing an unsaturated carboxylic acid and / or a derivative thereof from a hydroxycarboxylic acid and / or a derivative thereof using an apatite compound as a catalyst.
- Acrylic acid is a raw material monomer for polyacrylic acid and acrylic acid copolymers. Along with an increase in the amount of water-absorbent resin (polysodium acrylate) used, the production amount is increasing. Acrylic acid is usually produced by synthesizing acrolein from propylene, which is a petroleum-derived raw material, and converting this acrolein into catalytic acrylic acid and converting it into acrylic acid (for example, Patent Document 1).
- Patent Document 2 discloses a method of synthesizing an unsaturated carboxylic acid or an ester thereof from an ammonium salt of hydroxycarboxylic acid.
- an object of the present invention is to synthesize an unsaturated carboxylic acid such as acrylic acid or a derivative thereof such as a salt or ester thereof more easily from a biomass-derived compound. More specifically, a hydroxycarboxylic acid such as lactic acid and / or a derivative thereof, which can be easily synthesized from a polysaccharide such as cellulose derived from biomass, as a raw material compound, an unsaturated carboxylic acid such as acrylic acid and / or its In synthesizing a derivative, an appropriate catalyst was found, and an object was to provide an efficient unsaturated carboxylic acid and / or derivative thereof.
- the present invention that has solved the above-mentioned problems is characterized in that an unsaturated carboxylic acid and / or a derivative thereof is synthesized from a biomass-derived hydroxycarboxylic acid and / or a derivative thereof by a dehydration reaction using an apatite compound as a catalyst.
- Derivatives include salts and esters.
- a compound containing Ca and P is preferably used as the apatite compound, more preferably hydroxyapatite having a Ca to P molar ratio of 1.5 to 1.8, and the hydroxyapatite may be Ca 10 (PO 4 It is most preferred to use 6 (OH) 2 .
- the hydroxycarboxylic acid is lactic acid and the unsaturated carboxylic acid is acrylic acid.
- an unsaturated carboxylic acid and / or derivative thereof can be obtained from a biomass-derived hydroxycarboxylic acid and / or derivative thereof over a long period of time with a high yield. It became possible to synthesize.
- FIG. 3 is a relationship diagram of the amount of catalyst and the conversion rate and yield of lactic acid to acrylic acid. It is a relationship figure of distribution
- biomass-derived lactic acid is used as a raw material for unsaturated carboxylic acid such as acrylic acid.
- biomass is generally used to mean a broad concept such as foods, materials, and fuels made of biological materials, but also includes those treated as industrial waste.
- the main component of these biomass is cellulose, which is not suitable for human food that does not have the digestive enzyme.
- it is difficult to use as a fuel because it is not as excellent in combustion efficiency as petroleum components. Therefore, since these biomass must be discarded or incinerated at present, it is very significant to promote the effective use of these from the viewpoint of reducing industrial waste.
- lactic acid that can be easily obtained from polysaccharides such as cellulose and monosaccharides, which are contained in a large amount in biomass.
- polysaccharides can be converted to glucose by enzymatic methods, sulfuric acid methods, solid catalyst methods, ionic liquid methods, and the like.
- a method for producing glucose from polyglucose by the applicant of the present application has been filed as Japanese Patent Application Laid-Open No. 2009-201405. Then, glucose can be converted into lactic acid by using a fermentation method, an alkaline aqueous solution method, a solid catalyst method or the like.
- acrylic acid is synthesized from this lactic acid.
- a salt and an ester are collectively referred to as a “derivative thereof”.
- a hydroxycarboxylic acid and a derivative thereof are simply referred to as a hydroxycarboxylic acid
- an unsaturated carboxylic acid and a derivative thereof are simply referred to as a derivative. It is called unsaturated carboxylic acid.
- the hydroxycarboxylic acid ester may be reacted with a biomass-derived hydroxycarboxylic acid and the corresponding alcohol by a known method using a known esterification catalyst or the like.
- an apatite compound is used as a catalyst in the reaction of dehydrating the hydroxycarboxylic acid and converting it to the corresponding unsaturated carboxylic acid.
- the apatite compound in the present invention is a compound having an apatite structure and includes a solid solution, and can be represented by a general formula: M a (M′O b ) c X 2 .
- M represents Ca, Sr, Pb, Mg, Cd, Fe, Co, Ni, Cu, Zn, La, H, or the like, and may be one or more of these.
- an apatite compound in which M is Ca alone or an apatite compound in which Ca and other elements are combined is preferable.
- M ′ represents P, V, As, C, S or the like, and among them, an apatite compound in which M ′ is P alone or an apatite compound in which P and other elements are combined is preferable.
- X represents OH, F, Cl or the like.
- M 10 (M′O 4 ) 6 X 2 in which a is 10, b is 4, c is 6, and a / c is 1.67 is a basic apatite compound.
- M contains an element other than divalent
- M ′ contains an element other than pentavalent such as C or S
- the above basic The chemical formula is different from that of a napatite compound.
- a / c may vary between 1.5 and 1.8.
- M or M ′ is a combination of two or more elements, a and c are the total valence of each element.
- the most typical apatite is Ca 10 (PO 4 ) 6 (OH) 2 having a molar ratio of a / c (Ca / P) of 1.67.
- Calcium nitrate or the like is used as a Ca source when synthesizing an apatite compound, strontium nitrate or the like is used as a Sr source, diphosphorus pentoxide (P 2 O 5 ) is used as a P source, and lead nitrate is used as a Pb source.
- the V source include vanadium pentoxide (V 2 O 5 ).
- acetates, chlorides, metal complexes, carbonates, and the like can also be used. When synthesizing apatite compounds having other elements, they can be synthesized from these compounds as appropriate.
- the apatite compound can be synthesized, for example, by a hydrothermal reaction in the presence of an alkali.
- the hydrothermal reaction may be carried out by mixing aqueous solutions of raw material compounds made alkaline with NaOH or the like and at a temperature of about 50 to 300 ° C. and a pressure of about 1 ⁇ 10 5 to 1 ⁇ 10 7 Pa.
- the a / c can be changed by changing the ratio of the amount of the raw material compound used or adjusting the alkali concentration.
- the apatite compound can also be synthesized by a dry solid phase reaction method or a wet precipitation reaction method.
- the form of the apatite compound is not particularly limited, such as granules, needles, pulverized products, tablets, and honeycombs. Further, it may be used by being supported on a known carrier such as alumina or silica. The amount of the apatite compound used can be appropriately selected in consideration of the reaction time.
- Examples of the hydroxycarboxylic acid used as a raw material compound in the synthesis reaction of the present invention include lactic acid, citric acid, 3-hydroxypropionic acid, 3-hydroxy-2-methylpropionic acid, 3-hydroxybutanoic acid, and 3-hydroxy-2-methylbutane. Examples include acid and 2,3-dimethyl-3-hydroxybutanoic acid. Moreover, derivatives such as these salts and esters can also be used as raw material compounds.
- the synthesis reaction of unsaturated carboxylic acid is preferably performed by bringing an aqueous solution of hydroxycarboxylic acid into contact with the apatite compound.
- Hydroxycarboxylic acid can be prevented from condensing before being introduced into the reaction tube, and when the reaction product is cooled with an ice bath trap or the like, it is recovered as an aqueous solution containing unsaturated carboxylic acid. It is because it becomes easy. However, the reaction proceeds even without a solvent.
- the reaction temperature is preferably 250 to 400 ° C.
- the reaction pressure may be normal pressure, increased pressure, or reduced pressure, but may be normal pressure.
- the concentration of the hydroxycarboxylic acid aqueous solution is not particularly limited, but is preferably about 20 to 50% by mass in view of efficiency.
- solvents other than water may be included.
- a hydrophilic organic solvent such as alcohol or ether may be used together with water or in place of water, and the hydroxycarboxylic acid ester is difficult to dissolve or does not dissolve in water.
- the reaction may be carried out without using a solvent, or an organic solvent capable of dissolving the hydroxycarboxylic acid ester may be used.
- any of a fixed bed type, a moving bed type, a distribution bed type, etc. can be adopted.
- An inert carrier gas such as nitrogen, argon or helium can also be used.
- an inert filler such as silica wool or quartz sand may be filled upstream and downstream of the apatite compound layer.
- a highly purified unsaturated carboxylic acid can be obtained by purifying the reaction product by a known purification means (distillation, crystallization, etc.).
- the acrylic acid synthesis reaction from lactic acid was performed using the five types of catalysts obtained above.
- the synthesis reaction was carried out using an atmospheric pressure fixed bed flow reactor.
- the reaction tube was made of Pyrex (registered trademark) glass and had an inner diameter of 7 mm. Quartz sand and silica wool were filled upstream of the catalyst layer, and silica wool was filled downstream.
- the amount of catalyst used was basically 0.4 g.
- a micro syringe pump manufactured by ASONE; model MSPE-1
- a liquid chromatograph pump HITACHI; model L-2420
- the concentration of the lactic acid aqueous solution was 38% by mass.
- a lactic acid aqueous solution was introduced into the catalyst layer at 20 ⁇ l / min together with Ar 40 ml / min as a carrier gas.
- the reaction temperature was 350 ° C.
- the liquid product was collected with an ice bath trap. The gaseous product was also recovered from the exit of the ice bath trap.
- the liquid product was analyzed with a high-performance liquid chromatograph (HPLC), GC-MS, GC-FID, GC-TCD, total organic carbon meter, in addition to mass measurement with an electronic balance.
- HPLC high-performance liquid chromatograph
- GC-MS GC-MS
- GC-FID GC-FID
- GC-TCD total organic carbon meter
- the gas chromatograph was obtained by GC-FID (Shimadzu Corporation: GC-14B) and GC-MS (Agilent Technologies: HP-5890, HP-5972), DB-WAX (60 m: Agilent Technologies). A column was used.
- GC-TCD manufactured by Shimadzu Corporation: GC-8A, column: Gasclopack and activated carbon
- GC-FID manufactured by Shimadzu Corporation: GC-14B, column: DB- WAX
- the total organic carbon amount was determined by measuring the total organic carbon concentration (TOC) using a total organic carbon meter (Total Organic Carbon Analyzer manufactured by Shimadzu Corporation) after diluting the liquid product 500 times.
- the conversion ratio of lactic acid was determined by ⁇ 1- (area value of lactic acid in the product / area value of standard sample) ⁇ ⁇ 100, and the yield of acrylic acid was obtained by (Area value of acrylic acid / Area value of standard sample) ⁇ 100, and the conversion rate to acrylic acid was obtained by (Conversion rate of lactic acid / Yield of acrylic acid) ⁇ 100.
- the standard sample in the case of lactic acid is obtained by adding 30 ml of 0.46M NaOH aqueous solution to 0.5 g of 38% by mass of lactic acid aqueous solution, and the standard sample in the case of acrylic acid is 30.4% by mass of acrylic acid. 30 ml of 0.46M NaOH aqueous solution was added to the acid aqueous solution.
- FIG. 1 The results when the reaction was carried out for 6 hours are shown in FIG.
- the total flow rate of lactic acid when reacted for 6 hours is 2736 ⁇ l.
- 1 in FIG. 1 is silica-supported P 2 O 5
- 2 is Ca 10 (PO 4 ) 6 (OH) 2
- 3 is Sr 10 (PO 4 ) 6 (OH) 2
- 4 is silica-supported CaNO 3. It is.
- Ca-P-based hydroxyapatite has the highest yield of acrylic acid, and the yield of acrylic acid was 37.0% with a catalyst amount of 0.4 g.
- the acrylic acid yield was about 20%.
- the conversion rate of lactic acid was high, but the yield of the target acrylic acid was found to be low.
- the catalyst amount was 1.0 g, but the conversion of lactic acid and the yield of acrylic acid were very low.
- the activated carbon-supported NaNO 3 had a catalyst use amount of 0.05 g, a lactic acid conversion rate of 30.0%, and an acrylic acid yield of 17.2%.
- silica gel used as a carrier alone was subjected to the same experiment as above, the conversion of lactic acid was as high as 66.7%, but the yield of acrylic acid was as low as 2.3%.
- Experimental Example 6 A synthesis experiment of ethyl acrylate using ethyl lactate as a raw material compound was conducted. Except for using ethyl lactate (100%) in place of the lactic acid aqueous solution and using 1 g of Ca 10 (PO 4 ) 6 (OH) 2 with a Ca / P of 1.67, the same as in Experimental Example 1. And allowed to react for 6 hours.
- reaction product was analyzed in the same manner as in Experimental Example 1.
- GC-MS and GC-FID were analyzed after 10-fold dilution with methanol.
- the conversion rate of ethyl lactate after 6 hours of distribution was 55%, and the reaction product contained ethyl acrylate and acrylic acid. The total yield of both was 18%.
- unsaturated carboxylic acid and / or its derivative can be synthesized from biomass-derived hydroxycarboxylic acid and / or its derivative in high yield, so that industrially useful unsaturated carboxylic acid can be used without relying on petroleum raw materials. It has become possible to synthesize acids and / or their derivatives.
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Abstract
Description
[アパタイト化合物の調製]
P2O5を1mmol、NaOH7mmolを含む水溶液7mlに溶解させた後、硝酸カルシウムまたは硝酸ストロンチウムを3.33mmol含む水溶液8mlを加えることによって2種類の懸濁液を得た。この懸濁液をポリテトラフルオロエチレン内張りオートクレーブに導入し、110℃、圧力143kPaで14時間、撹拌しながら水熱処理を行った。水熱処理後、得られた沈殿をよく水洗し、60℃で5時間乾燥させた。粉末状のM10(M’O4)6(OH)2(MはCaまたはSr、M’はP)が得られた。この粉末をペレ
ットに成型し、粉砕して250~500μm程度にしたものを触媒として用いた。
P換算で1mmolのP2O5、またはCa換算で1mmolのCaNO3を、蒸留水1.5mlに完全に溶解させ、担体としてのシリカゲル(富士シリシア社製;キャリアクト(登録商標)G-6;粒子径30-200メッシュ)1.0gを加えてかき混ぜた。ウォーターバス上で水分がなくなるまでよくかき混ぜた後、60℃で一晩乾燥させた。この粉末をペレットに成型し、粉砕して250~500μm程度にしたものを触媒として用いた。
Na換算で10mmolのNaNO3を蒸留水1.5mlに完全に溶解させ、担体としての活性炭(和光純薬工業社製;グレード;平均粒子径等)1.0gを加えてかき混ぜた。ウォーターバス上で水分がなくなるまでよくかき混ぜた後、60℃で一晩乾燥させた。この粉末をペレットに成型し、粉砕して250~500μm程度にしたものを触媒として用いた。
次に、アパタイト化合物におけるCa/Pを変える実験を行い、その影響について検討した。実験例1における水熱反応時のCa源とP源の使用比率を変えて、Ca/Pが1.5,1.6,1.8の触媒を合成した。
Ca/Pが1.67のCa10(PO4)6(OH)2を用いて、触媒量を変え、その影響について検討した。使用した触媒量を変えた以外は、実験例1と同様にして、6時間のアクリル酸合成反応を行った。結果を図2に示す。乳酸の転化率、アクリル酸の収率共に、1gまでは触媒量の増加に伴って増大した。触媒量を2gにしたときは、乳酸の転化率は100%となったが、アクリル酸の収率は1gの場合とほとんど変わらず、触媒の効果が頭打ちとなった。
Ca/Pが1.67のCa10(PO4)6(OH)2を1g用いて、実験例1と同様にしてアクリル酸の合成反応を行い、時間毎の状態を追跡した。結果を図3に示した。3時間目以降はアクリル酸の収率に大きな変化がないことがわかった。
Ca/Pが1.67のCa10(PO4)6(OH)2を1g用いて、実験例1と同様にしてアクリル酸の合成反応を行い、60時間の経時変化を追跡した。乳酸の転化率は経時によってさほど低下しなかったが、アクリル酸の選択率や収率は次第に低下することがわかった。しかし、60時間の連続反応を行ってもアクリル酸の収率は50%を超えており、本発明で用いたアパタイト化合物系触媒が長時間の使用に耐えられることが確認できた。
乳酸エチルを原料化合物として用いたアクリル酸エチルの合成実験を行った。乳酸水溶液に変えて乳酸エチル(100%)を用いたこと、Ca/Pが1.67のCa10(PO4)6(OH)2を1g用いたこと以外は、実験例1と同様にして、6時間反応させた。
Claims (5)
- アパタイト化合物を触媒として、バイオマス由来のヒドロキシカルボン酸および/またはその誘導体から、脱水反応により、不飽和カルボン酸および/またはその誘導体を合成することを特徴とする不飽和カルボン酸および/またはその誘導体の合成方法。
- アパタイト化合物として、CaとPとを含む化合物を用いる請求項1に記載の合成方法。
- CaとPのモル比が1.5~1.8のハイドロキシアパタイトを用いる請求項2に記載の合成方法。
- ハイドロキシアパタイトとして、Ca10(PO4)6(OH)2を用いる請求項3に記載の合成方法。
- ヒドロキシカルボン酸が乳酸であり、不飽和カルボン酸がアクリル酸である請求項1~4のいずれかに記載の合成方法。
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CN201080048079.5A CN102596883B (zh) | 2009-10-29 | 2010-10-25 | 不饱和羧酸和/或其衍生物的合成方法 |
BR112012009658-3A BR112012009658B1 (pt) | 2009-10-29 | 2010-10-25 | Método para a sintetização de ácido carboxílico insaturado e/ou seu derivado |
JP2011538242A JP5799324B2 (ja) | 2009-10-29 | 2010-10-25 | 不飽和カルボン酸および/またはその誘導体の合成方法 |
EP10826314.6A EP2495233B1 (en) | 2009-10-29 | 2010-10-25 | Method for synthesizing unsaturated carboxylic acid and/or derivative of same |
US13/503,780 US8772539B2 (en) | 2009-10-29 | 2010-10-25 | Method for synthesizing unsaturated carboxylic acid and/or derivative of same |
IN3044/DELNP/2012A IN2012DN03044A (ja) | 2009-10-29 | 2012-04-10 |
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EP (1) | EP2495233B1 (ja) |
JP (1) | JP5799324B2 (ja) |
CN (1) | CN102596883B (ja) |
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JP2014525894A (ja) * | 2011-05-16 | 2014-10-02 | カウンシル オブ サイエンティフィック アンド インダストリアル リサーチ | 乳酸を触媒的に脱水してアクリル酸にするための改良型プロセス |
JP2014523441A (ja) * | 2011-07-19 | 2014-09-11 | アルケマ フランス | 脂肪酸または脂肪酸エステルから官能化されたω−酸を合成する方法 |
WO2013044854A1 (zh) * | 2011-09-28 | 2013-04-04 | 株式会社日本触媒 | 用于由乳酸制备丙烯酸的催化剂以及使用该催化剂制备丙烯酸的方法 |
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JP2015517999A (ja) * | 2012-04-11 | 2015-06-25 | ザ プロクター アンド ギャンブルカンパニー | バイオベースアクリル酸の粗及び氷アクリル酸への精製 |
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WO2014181545A1 (ja) | 2013-05-10 | 2014-11-13 | 株式会社サンギ | 不飽和カルボン酸及び/又はその誘導体の合成用触媒及び合成方法 |
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WO2015012392A1 (ja) * | 2013-07-25 | 2015-01-29 | 株式会社日本触媒 | 乳酸および/またはその誘導体からアクリル酸および/またはアクリル酸エステルを製造するための触媒、ならびに、アクリル酸および/またはアクリル酸エステルの製造方法 |
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BR112012009658A2 (pt) | 2016-05-17 |
JP5799324B2 (ja) | 2015-10-21 |
CN102596883B (zh) | 2015-03-25 |
US8772539B2 (en) | 2014-07-08 |
US20120277467A1 (en) | 2012-11-01 |
JPWO2011052178A1 (ja) | 2013-03-14 |
IN2012DN03044A (ja) | 2015-07-31 |
EP2495233A4 (en) | 2013-05-01 |
EP2495233A1 (en) | 2012-09-05 |
CN102596883A (zh) | 2012-07-18 |
EP2495233B1 (en) | 2019-05-08 |
BR112012009658B1 (pt) | 2018-06-19 |
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