WO2010092894A1 - フッ素化合物の製造方法 - Google Patents
フッ素化合物の製造方法 Download PDFInfo
- Publication number
- WO2010092894A1 WO2010092894A1 PCT/JP2010/051565 JP2010051565W WO2010092894A1 WO 2010092894 A1 WO2010092894 A1 WO 2010092894A1 JP 2010051565 W JP2010051565 W JP 2010051565W WO 2010092894 A1 WO2010092894 A1 WO 2010092894A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- compound
- container
- oxygen
- fluorine compound
- gas
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/68—Preparation of compounds containing amino groups bound to a carbon skeleton from amines, by reactions not involving amino groups, e.g. reduction of unsaturated amines, aromatisation, or substitution of the carbon skeleton
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/10—Halides or oxyhalides of phosphorus
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/26—Phosphates
- C01B25/455—Phosphates containing halogen
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/26—Phosphates
- C01B25/455—Phosphates containing halogen
- C01B25/4555—Hypochlorite-phosphate double salts, e.g. 4(Na3PO411H2O). NaOCl or so-called chlorinated trisodium phosphate
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/50—Carbon dioxide
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/08—Compounds containing halogen
- C01B33/10—Compounds containing silicon, fluorine, and other elements
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/08—Compounds containing halogen
- C01B33/107—Halogenated silanes
- C01B33/10705—Tetrafluoride
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/19—Fluorine; Hydrogen fluoride
- C01B7/191—Hydrogen fluoride
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B9/00—General methods of preparing halides
- C01B9/08—Fluorides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D15/00—Lithium compounds
- C01D15/005—Lithium hexafluorophosphate
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G1/00—Methods of preparing compounds of metals not covered by subclasses C01B, C01C, C01D, or C01F, in general
- C01G1/06—Halides
Definitions
- the present invention relates to a method for producing a fluorine compound, which can produce a fluorine compound without causing by-production of water by reacting an oxygen-containing compound with at least carbonyl fluoride.
- the present invention has been made in view of the above-mentioned problems, and an object of the present invention is to easily obtain a target fluorine compound without using by-product water as an impurity by using an oxygen-containing compound as a raw material. It is providing the manufacturing method of a fluorine compound.
- the inventors of the present application have studied a method for producing a fluorine compound in order to solve the conventional problems. As a result, the inventors have found that the following problems can be solved by adopting the following configuration, and have completed the present invention.
- the method for producing a fluorine compound according to the present invention includes a metal element, H, B, C, N, Si, P, S, As, Se, Te, and halogen in order to solve the above-described problems.
- At least one of the oxygen-containing compounds selected from the group and carbonyl fluoride are reacted at least to produce at least a fluorine compound and carbon dioxide without by-producting water. .
- Carbonyl fluoride exhibits high reactivity with the inorganic or organic oxygen-containing compound.
- an oxygen-containing compound When such carbonyl fluoride is reacted with an oxygen-containing compound, it is possible to generate at least a fluorine compound and carbon dioxide without generating water as a by-product.
- a drying process and a roasting process for removing water become unnecessary, the manufacturing process can be simplified, and hydrolysis caused by drying the fluorine compound at high temperature can be prevented. Can do.
- the raw material is inexpensive, the manufacturing cost can be reduced.
- the fluorine compound is preferably recovered without being dried and roasted. By not performing drying and roasting, hydrolysis of the fluorine compound can be prevented. As a result, it is possible to produce a high-quality fluorine compound.
- the halogen is preferably fluorine.
- the oxygen-containing compound is Li ⁇ H ⁇ PO ⁇ F ⁇ (where ⁇ , ⁇ , ⁇ and ⁇ are positive integers, 1 ⁇ ⁇ ⁇ 3, 0 ⁇ ⁇ ⁇ 2, 1 ⁇ ⁇ ⁇ 4, 0 ⁇ ⁇ ⁇ 4), and the fluorine compound produced by the reaction with carbonyl fluoride is preferably at least one selected from the group consisting of LiPF6, LiPO2F2, and LiPOF4.
- the present invention has the following effects by the means described above. That is, according to the present invention, at least one selected from the group consisting of metal elements, H, B, C, N, Si, P, S, As, Se, Te and halogen, oxide, water Oxygen containing at least one selected from the group consisting of oxides, hydrates, carbonic acid compounds, hydrogen carbonate compounds, boric acid compounds, sulfuric acid compounds, sulfite compounds, phosphorous acid compounds, and phosphoric acid compounds By reacting the compound with carbonyl fluoride, it is possible to produce a fluorine compound without generating water as a by-product. As a result, drying and roasting steps for removing water become unnecessary, and hydrolysis of the fluorine compound can be prevented. In addition, the manufacturing cost can be reduced.
- the method for producing a fluorine compound according to the present embodiment is performed by reacting an oxygen-containing compound with carbonyl fluoride. That is, an oxygen-containing compound and carbonyl fluoride are introduced into a reactor and reacted according to the following chemical reaction formula. Thereby, a fluorine compound and a carbon dioxide can be produced
- the reaction formula represents, for example, an oxygen-containing compound represented by M x O y H z (M represents a metal, a nonmetallic element excluding oxygen, or ammonia.
- X , y, and z are all positive integers. ⁇ x ⁇ 3, 1 ⁇ y ⁇ 10, and 0 ⁇ z ⁇ 20)).
- the oxygen-containing compound is at least one selected from the group consisting of metal elements, H, B, C, N, Si, P, S, As, Se, Te, and halogen, oxide, hydroxide A hydrate, a carbonate compound, a hydrogen carbonate compound, a boric acid compound, a sulfuric acid compound, a sulfite compound, a phosphorous acid compound, and a phosphoric acid compound.
- the oxygen-containing compound is, for example, CaO, MgO, Al 2 O 3 , Na 2 O, K 2 O, B 2 O 3 , P 2 O 5 , SiO 2 , GeO 2 , As 2 O 3 , P 2 O 3 , As 2 O 5 , oxides such as CuO, FeO, Ca (OH) 2 , Mg (OH) 2 , Al (OH) 3 , NaOH, KOH, Cu (OH) 2 , Fe (OH) 2 , hydroxides such as H 3 BO 3 , H 3 PO 4 , H 3 PO 3 and NH 4 OH, or oxygen-containing compounds such as H 3 BO 3 , H 3 PO 4 and H 3 PO 3, etc. as it can be expressed by x O y H z and the like.
- compounds other than the oxygen-containing compound represented by M x O y H z can also be used.
- crystal water or bound water represented by H 2 O, CaCl 2 ⁇ 6H 2 O, MgSO 4 ⁇ 7H 2 O, AlF 3 ⁇ 3H 2 O, LiBF 4 ⁇ H 2 O, or the like is used.
- the Li ⁇ H ⁇ PO ⁇ F ⁇ is not particularly limited, and examples thereof include LiPO 3 , LiPOF 4 , and LiPO 2 F 2 .
- examples of the obtained fluorine compound include LiPF 6 , LiPO 2 F 2 , LiPOF 4 and the like.
- the quaternary ammonium hydroxide is not particularly limited.
- tetramethylammonium hydroxide tetraethylammonium hydroxide, tetrapropylammonium hydroxide, tetrabutylammonium hydroxide, triethylmethylammonium hydroxide, tripropyl hydroxide.
- examples include methylammonium and tributylmethylammonium hydroxide.
- the quaternary phosphonium hydroxide is not particularly limited, and examples thereof include tetramethylphosphonium hydroxide, tetraethylphosphonium hydroxide, tetrapropylphosphonium hydroxide, tetrabutylphosphonium hydroxide, tetrapentylphosphonium hydroxide, and tetrahexylphosphonium.
- Tetraalkylphosphonium hydroxide having 1 to 8 carbon atoms such as hydroxide; tetraphenylphosphonium hydroxide, ethyltriphenylphosphonium hydroxide, butyltriphenylphosphonium hydroxide, pentyltriphenylphosphonium hydroxide, 2-dimethyl
- the said metal element is not specifically limited, For example, Ca, Mg, Al, Na, K, Cu, Fe etc. are mentioned.
- the amount of carbonyl fluoride used in the method for producing a fluorine compound according to the present invention is preferably 0.1 to 100 times equivalent, preferably 0.5 to 50 times the oxygen atom in the oxygen-containing compound. A double equivalent is more preferable, and a 1-fold to 10-fold equivalent is even more preferable. If the amount of carbonyl fluoride used is less than 0.1 times equivalent, the reaction with the oxygen-containing compound becomes insufficient, and the oxygen-containing compound as the raw material remains in the product, and the desired quality or amount of fluorine compound is obtained. It may not be possible. On the other hand, if it exceeds 100 times equivalent, the synthesis apparatus becomes large and the loss of carbonyl fluoride increases, which may increase the production cost.
- the temperature at which the oxygen-containing compound and carbonyl fluoride are reacted is preferably ⁇ 50 ° C. to 500 ° C., more preferably 0 ° C. to 200 ° C., and particularly preferably 20 ° C. to 100 ° C. If it is less than ⁇ 50 ° C., the reaction rate between the oxygen-containing compound and carbonyl fluoride is slow, which is not preferable. In addition, when carbon dioxide, which is by-produced, and hydrogen fluoride are by-produced, the vapor pressure of these by-product gases is lowered, which makes it difficult to separate from the target fluorine compound. Furthermore, an economic disadvantage arises due to an increase in equipment costs, such as the need to keep the reaction vessel cold or a low temperature generator. On the other hand, when the temperature exceeds 500 ° C., the reaction rate becomes fast and efficient, but there is an economic disadvantage due to an increase in equipment costs such as the need to keep the reaction vessel warm or a high temperature generator.
- the pressure for reacting the oxygen-containing compound and carbonyl fluoride is not particularly limited, but is preferably 0.1 KPa to 10 MPa, more preferably 1 KPa to 0.5 MPa.
- the pressure is less than 0.1 KPa, expensive equipment such as a long vacuum container or a vacuum generator is required, and the manufacturing cost increases.
- expensive equipment such as a long high-pressure reactor or a high-pressure generator is required, and the production cost increases.
- the water content in the inert gas used for dilution is preferably 100 ppm or less, more preferably 10 ppm or less, and particularly preferably 1 ppm or less.
- the reaction between the oxygen-containing compound and carbonyl fluoride may be performed directly, or the oxygen-containing compound and / or carbonyl fluoride may be reacted in a state where they are dissolved or dispersed in an appropriate solvent. Good. If either one is gaseous and the other is the liquid itself, or the other is dissolved or dispersed in a solvent, the gas is bubbled into the other liquid state. Can be done. Although it does not specifically limit as said solvent, The solvent itself or the impurity in a solvent does not react except producing
- anhydrous hydrogen fluoride etc. are mentioned, for example.
- the impurities include oxygen-containing compounds, particularly moisture, and the moisture content is preferably 100 ppm or less, more preferably 10 ppm or less, and particularly preferably 1 ppm or less.
- the production method of the fluorine compound can be carried out by any of batch, continuous or semi-batch methods.
- the reactor used for the said manufacturing method For example, appropriate reactors, such as a tank type and a tower type, can be used.
- the carbonyl fluoride is used in a gaseous state and the gas-solid reaction in which the fluorine compound is a solid, the reaction between the fluorine compound and the carbonyl fluoride is efficiently performed by using a fluidized bed method. be able to.
- oxygen-containing compound is in a liquid state or dissolved in a liquid, or when the oxygen-containing compound is in a gaseous state and reacted in a liquid state in which carbonyl fluoride is dissolved in a solvent, a packed tower, Gas-liquid contact devices such as a plate tower and a spray tower can be suitably used regardless of the alternating current system or the parallel flow system.
- the time (treatment time) for reacting the oxygen-containing compound with carbonyl fluoride is not particularly limited, but the amount of oxygen-containing compound to be treated, the concentration of the oxygen-containing compound, the reaction temperature, the reaction What is necessary is just to set the optimal time from which the effect of a synthesis
- the method for separating carbon dioxide by-produced together with the fluorine compound from the obtained fluorine compound is not particularly limited, and various conventionally known methods can be employed.
- a fluorine compound can be produced without using water as a by-product even when an oxygen-containing compound is used as a raw material without employing a particularly expensive apparatus or a complicated process. It becomes possible. As a result, a drying process or a roasting process for removing water becomes unnecessary.
- a drying process means the process of air-drying, air drying, heating, etc. of a product in order to evaporate the water contained in a product.
- the roasting step means a step of heating the product for a predetermined time in order to remove crystal water from the hydrate when the product is a hydrate.
- Example 1 5 g of calcium hydroxide which had been dried in advance and removed adhering moisture was placed in a 1 liter stainless steel pressure vessel equipped with a pressure gauge. Thereafter, the inside of the container was evacuated with a vacuum pump through a valve attached to the container. Next, 100% by volume of COF 2 gas was introduced into the container through the valve until the pressure became 0.6 MPaG while observing the pressure gauge, and the valve was closed.
- the container was introduced into a constant temperature bath at 100 ° C. and heated for 2 hours, the pressure in the container gradually increased to 1.2 MPaG. Then, it removed from the thermostat and left to cool to room temperature, and the residual gas in a container was discharge
- the inside of the container was completely purged with N 2 gas, then the container was opened, and 7.5 g of moist and irritating odor powder remaining in the container was collected and analyzed. As a result, it was found that the main component was calcium fluoride and its purity was 70%.
- Hydrofluoric acid is generated by the reaction of moisture generated by the reaction of calcium hydroxide and hydrogen fluoride with excess hydrogen fluoride, and this hydrofluoric acid corrodes the inside of the stainless steel container. Inferred.
- Example 2 A stainless steel reaction tube having an inner diameter of 16 mm was filled with 50 g of dried silicon dioxide and heated to 100 ° C. Next, COF 2 gas diluted to 50% by volume with N 2 gas was introduced from one end of the reaction tube at a rate of 1 liter per minute. The gas that emerged from the other end of the reaction tube after 5 minutes was measured by FTIR. As a result, the gas was SiF 4 and CO 2 , and other components were not detected.
- Example 3 5 g of lithium chloride monohydrate, which had been dried in advance and removed adhering moisture, was placed in a 1 liter stainless steel pressure vessel equipped with a pressure gauge. Thereafter, the inside of the container was evacuated with a vacuum pump through a valve attached to the container. Next, 100% COF 2 gas was introduced into the container through the valve until the pressure became 0.3 MPaG while observing the pressure gauge, and the valve was closed.
- the container was introduced into a constant temperature bath at 100 ° C. and heated for 2 hours, the pressure in the container gradually increased to 0.8 MPaG. Then, it removed from the thermostat and left to cool to room temperature, and the residual gas in a container was discharge
- Example 4 First, a stainless steel reaction tube having an inner diameter of 16 mm was maintained at 200 ° C. Next, COF 2 and POF 3 each diluted to a volume ratio of 50% by volume with N 2 gas were introduced simultaneously from one end of the reaction tube at a rate of 1 liter per minute. The gas that emerged from the other end of the reaction tube after 5 minutes was measured by FTIR. As a result, the gas was PF 5 and CO 2.
- Example 5 5 g of sodium metaphosphate was put into a stainless steel pressure resistant vessel having an internal capacity of 1 liter equipped with a pressure gauge. Thereafter, the inside of the container was evacuated with a vacuum pump through a valve attached to the container. Next, 100% by volume of COF 2 gas was introduced into the container through the valve until the pressure reached 0.05 MPaG while observing the pressure gauge, and the valve was closed.
- the container was introduced into a constant temperature bath at 100 ° C. and heated for 2 hours, the pressure in the container gradually increased to 0.1 MPaG. Then, it removed from the thermostat and left to cool to room temperature, and the residual gas in a container was discharge
- Example 6 5 g of lithium metaphosphate was placed in a stainless steel pressure-resistant container having an internal capacity of 1 liter equipped with a pressure gauge. Thereafter, the inside of the container was evacuated with a vacuum pump through a valve attached to the container. Next, 100% by volume of COF 2 gas was introduced into the container through a valve until the pressure became 0.65 MPaG while observing the pressure gauge, and the valve was closed.
- the container was introduced into a constant temperature bath at 100 ° C. and heated for 2 hours, the pressure in the container gradually increased to 0.9 MPaG. Then, it removed from the thermostat and left to cool to room temperature, and the residual gas in a container was discharge
- the container was introduced into a constant temperature bath at 100 ° C. and heated for 2 hours, the pressure inside the container gradually increased to 0.25 MPaG. Then, it removed from the thermostat and left to cool to room temperature, and the residual gas in a container was discharge
- Example 8 In a 1 liter fluororesin container maintained at 10 ° C. with a cold water bath, 500 g of anhydrous HF was placed. Thereafter, 60 g of lithium metaphosphate, which had been dried in advance to remove adhering moisture, was gradually added and dissolved while maintaining the temperature of anhydrous HF in the container not exceeding 10 ° C.
- a fluororesin lid provided with a ventilation insertion pipe connected through a valve and an exhaust pipe connected to a reflux condenser at ⁇ 50 ° C. is placed in a container containing the anhydrous HF solution. Attached to. Further, the valve of the exhaust pipe was opened, and 100 vol% COF 2 gas was bubbled into the anhydrous HF solution from the vent pipe side. The bubbling was performed for 40 minutes while maintaining the temperature of the anhydrous HF solution at 10 ° C. with an aeration rate of 2 liters per minute. Thereafter, the valve on the vent pipe side was closed.
- the reflux condenser was removed from the exhaust pipe, and the treated fluororesin container was placed in a ⁇ 40 ° C. cooling bath and left overnight with the N 2 seal of the end of the exhaust pipe. As a result, crystals were precipitated. The precipitated crystals were filtered under an N 2 atmosphere so as not to be exposed to the atmosphere. As a result, 40 g of crystals were obtained. The crystals were transferred to a fluororesin container and dried overnight at 100 ° C. while N 2 was circulated at a rate of 1 liter per minute so as not to be exposed to the atmosphere.
- the obtained crystals were qualitatively analyzed with an X-ray diffractometer. As a result, the crystal was identified as LiPF 6. Moreover, the purity was 99% or more. In addition, content of the free acid as an impurity was 50 ppm or less, and water content was 10 ppm or less.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
Description
即ち、本発明によれば、金属元素、H、B、C、N、Si、P、S、As、Se、Te及びハロゲンからなる群より選択される少なくとも何れか1種の、酸化物、水酸化物、水和物、炭酸化合物、炭酸水素化合物、ホウ酸化合物、硫酸化合物、亜流酸化合物、亜リン酸化合物、及びリン酸化合物からなる群より選択される少なくとも何れか1種である酸素含有化合物と、フッ化カルボニルとを反応させることにより、水を副生させることなく、フッ素化合物の生成を可能にする。その結果、水を除去するための乾燥および焙焼工程が不要となり、フッ素化合物の加水分解が生じるのを防止することができる。また、製造コストの低減も図れる。
本実施の形態に係るフッ素化合物の製造方法は、酸素含有化合物とフッ化カルボニルとを反応させることにより行う。即ち、酸素含有化合物とフッ化カルボニルとを反応器に導入し、下記化学反応式に従って反応させる。これにより、水を副生させることなく、フッ素化合物及び二酸化炭素を少なくとも生成させることができる。当該反応式は、例えば、酸素含有化合物をMxOyHz(Mは金属、酸素を除いた非金属元素、又はアンモニアを表す。x、y、zは何れも正の整数であり、1≦x≦3、1≦y≦10、0≦z≦20である。)で表すと、下記の通りになる。
圧力計を備えた内容量1リットルのステンレス製耐圧容器に、あらかじめ乾燥して付着水分を除去した水酸化カルシウム5gを入れた。その後、容器に付属しているバルブを介して容器内を真空になるまで真空ポンプで排気した。次に、バルブを介して100体積%のCOF2ガスを圧力計をみながら0.6MPaGになるまで容器内に導入しバルブを閉止した。
圧力計を備えた内容量1リットルのステンレス製耐圧容器に、あらかじめ乾燥して付着水分を除去した水酸化カルシウム5gを入れた。その後、容器に付属しているバルブを介して容器内を真空になるまで真空ポンプで排気した。次に、バルブを介して100体積%のHFガスを圧力計をみながら0.1MPaGになるまで容器内に導入しバルブを閉止した。
内径16mmのステンレス製反応管に乾燥した二酸化珪素を50g充填し、100℃に加熱した。次に、当該反応管の一端から、N2ガスにより体積比で50体積%に希釈したCOF2ガスを、毎分1リットルの速度で導入した。5分後に反応管の他端から出てきたガスをFTIRで測定した。その結果、当該ガスはSiF4とCO2であり、それ以外の成分は検出されなかった。
内径16mmのステンレス製反応管に乾燥した二酸化珪素を50g充填し、100℃に加熱した。次に、当該反応管の一端から、N2ガスにより体積比で50体積%に希釈したHFガスを、毎分1リットルの速度で導入した。5分後に反応管の他端から出てきたガスをFTIRで測定した。その結果、SiF4、H2O、(SiF3)2O及びHFを検出した。
圧力計を備えた内容量1リットルのステンレス製耐圧容器に、あらかじめ乾燥して付着水分を除去した塩化リチウム1水和塩を5g入れた。その後、容器に付属しているバルブを介して容器内を真空になるまで真空ポンプで排気した。次に、バルブを介して100%COF2ガスを圧力計をみながら0.3MPaGになるまで容器内に導入しバルブを閉止した。
先ず、内径16mmのステンレス製反応管を200℃に保持した。次に、当該反応管の一端から、それぞれN2ガスにより体積比50体積%に希釈したCOF2とPOF3を、毎分1リットルの速度で同時に導入した。5分後に反応管の他端から出てきたガスをFTIRで測定した。その結果、当該ガスはPF5とCO2であった。
圧力計を備えた内容量1リットルのステンレス製耐圧容器に、メタ燐酸ナトリウム5gを入れた。その後、容器に付属しているバルブを介して容器内を真空になるまで真空ポンプで排気した。次に、バルブを介して100体積%のCOF2ガスを圧力計をみながら0.05MPaGになるまで容器内に導入しバルブを閉止した。
圧力計を備えた内容量1リットルのステンレス製耐圧容器に、メタ燐酸リチウム5gを入れた。その後、容器に付属しているバルブを介して容器内を真空になるまで真空ポンプで排気した。次に、バルブを介して100体積%のCOF2ガスを圧力計をみながら0.65MPaGになるまで容器内に導入しバルブを閉止した。
圧力計を備えた内容量1リットルのステンレス製耐圧容器に、水酸化トリエチルメチルアンモニウム5gを入れた。その後、容器に付属しているバルブを介して容器内の空気をN2ガスに置換した。次に、バルブを介して100体積%のCOF2ガスを圧力計をみながら0.2 MPaGになるまで容器内に導入しバルブを閉止した。
冷水浴で10℃に維持した1リットルのフッ素樹脂製容器に、無水HF500gをいれた。その後、あらかじめ乾燥して付着水分を除去したメタリン酸リチウム60gを、容器内の無水HFの温度が10℃を超えないように維持しながら、徐々に加えて溶解させた。
Claims (4)
- 金属元素、H、B、C、N、Si、P、S、As、Se、Te及びハロゲンからなる群より選択される少なくとも何れか1種の、酸化物、水酸化物、水和物、炭酸化合物、炭酸水素化合物、ホウ酸化合物、硫酸化合物、亜流酸化合物、亜リン酸化合物、及びリン酸化合物からなる群より選択される少なくとも何れか1種である酸素含有化合物と、フッ化カルボニルとを少なくとも反応させることにより、水を副生させることなく、フッ素化合物及び二酸化炭素を少なくとも生成させることを特徴とするフッ素化合物の製造方法。
- 前記フッ素化合物は乾燥及び焙焼されることなく回収されることを特徴とする請求項1に記載のフッ素化合物の製造方法。
- 前記ハロゲンがフッ素であることを特徴とする請求項1に記載のフッ素化合物の製造方法。
- 前記酸素含有化合物はLiαHβPOγFδ(ただしα、β、γ、δは正の整数であり、1≦α≦3、0≦β≦2、1≦γ≦4、0≦δ≦4である。)であり、前記フッ化カルボニルとの反応により生成するフッ素化合物はLiPF6、LiPO2F2、及びLiPOF4からなる群より選択される少なくともいずれか一種であることを特徴とする請求項1に記載のフッ素化合物の製造方法。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10741171A EP2397438A4 (en) | 2009-02-10 | 2010-02-04 | METHOD FOR PRODUCING A FLUOR COMPOUND |
CN2010800036925A CN102256896A (zh) | 2009-02-10 | 2010-02-04 | 氟化合物的制造方法 |
US13/148,930 US20110311426A1 (en) | 2009-02-10 | 2010-02-04 | Process for the preparation of fluorine compound |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009028753A JP5435976B2 (ja) | 2009-02-10 | 2009-02-10 | フッ素化合物の製造方法 |
JP2009-028753 | 2009-02-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010092894A1 true WO2010092894A1 (ja) | 2010-08-19 |
Family
ID=42561736
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2010/051565 WO2010092894A1 (ja) | 2009-02-10 | 2010-02-04 | フッ素化合物の製造方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20110311426A1 (ja) |
EP (1) | EP2397438A4 (ja) |
JP (1) | JP5435976B2 (ja) |
KR (1) | KR20110127191A (ja) |
CN (1) | CN102256896A (ja) |
TW (1) | TWI465398B (ja) |
WO (1) | WO2010092894A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014156995A1 (ja) * | 2013-03-25 | 2014-10-02 | 三井化学株式会社 | 五フッ化リンの製造方法、六フッ化リン酸リチウムの製造方法、六フッ化リン酸リチウム、電池用非水電解液、及びリチウム二次電池 |
EP2881366A1 (en) * | 2013-12-04 | 2015-06-10 | Solvay SA | Method for manufacturing NaPO2F2 |
JP6777852B2 (ja) * | 2016-09-21 | 2020-10-28 | セントラル硝子株式会社 | フッ素含有化合物ガスの検出方法 |
JP6761178B2 (ja) * | 2016-12-02 | 2020-09-23 | セントラル硝子株式会社 | ジフルオロリン酸リチウムの製造方法 |
CN108862231A (zh) * | 2018-07-06 | 2018-11-23 | 河南省法恩莱特新能源科技有限公司 | 一种二氟磷酸锂的制备方法 |
CN115924881A (zh) * | 2022-12-30 | 2023-04-07 | 四川大学 | 以黄磷为原料生产六氟磷酸盐的方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070098624A1 (en) * | 2005-10-27 | 2007-05-03 | Honeywell International Inc. | Andhydrous hydrogen fluoride composition and method of producing the same |
JP2009057248A (ja) * | 2007-08-31 | 2009-03-19 | Stella Chemifa Corp | フッ素化合物の精製方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5618503A (en) * | 1996-06-28 | 1997-04-08 | Chemical Research & Licensing Company | Antimony pentafluoride |
US6824754B2 (en) * | 2002-03-13 | 2004-11-30 | Council Of Scientific And Industrial Research | Solid state thermal method for the synthesis of lithium hexafluoro phosphate (LiPF)6 as battery electrolyte |
-
2009
- 2009-02-10 JP JP2009028753A patent/JP5435976B2/ja not_active Expired - Fee Related
-
2010
- 2010-02-04 US US13/148,930 patent/US20110311426A1/en not_active Abandoned
- 2010-02-04 KR KR1020117020895A patent/KR20110127191A/ko not_active Application Discontinuation
- 2010-02-04 WO PCT/JP2010/051565 patent/WO2010092894A1/ja active Application Filing
- 2010-02-04 EP EP10741171A patent/EP2397438A4/en not_active Withdrawn
- 2010-02-04 CN CN2010800036925A patent/CN102256896A/zh active Pending
- 2010-02-08 TW TW099103788A patent/TWI465398B/zh not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070098624A1 (en) * | 2005-10-27 | 2007-05-03 | Honeywell International Inc. | Andhydrous hydrogen fluoride composition and method of producing the same |
JP2009057248A (ja) * | 2007-08-31 | 2009-03-19 | Stella Chemifa Corp | フッ素化合物の精製方法 |
Non-Patent Citations (2)
Title |
---|
MALLELA S P ET AL.: "Carbonyl Difluoride:A Fluorinating Reagent for Inorganic Oxides", INORG. CHEM., vol. 27, no. 1, 1988, pages 208 - 209 * |
See also references of EP2397438A4 * |
Also Published As
Publication number | Publication date |
---|---|
EP2397438A4 (en) | 2012-07-18 |
JP2010184820A (ja) | 2010-08-26 |
KR20110127191A (ko) | 2011-11-24 |
TW201034959A (en) | 2010-10-01 |
EP2397438A1 (en) | 2011-12-21 |
TWI465398B (zh) | 2014-12-21 |
JP5435976B2 (ja) | 2014-03-05 |
CN102256896A (zh) | 2011-11-23 |
US20110311426A1 (en) | 2011-12-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5435976B2 (ja) | フッ素化合物の製造方法 | |
TWI485102B (zh) | Methods for the production of phosphorus pentafluoride and hexafluorophosphate | |
JP5443118B2 (ja) | ビス(フルオロスルホニル)イミド塩の製造方法、ビス(フルオロスルホニル)イミド塩及びフルオロ硫酸塩の製造方法、並びにビス(フルオロスルホニル)イミド・オニウム塩の製造方法 | |
KR20160036623A (ko) | 수소 비스(플루오로설포닐)이미드의 합성 | |
JP5341425B2 (ja) | フッ化物ガスの製造方法 | |
WO2015150862A1 (en) | Production of a hexafluorophosphate salt and of phosphorous pentafluoride | |
JP5116406B2 (ja) | フッ素化合物の精製方法 | |
EP1055640B1 (en) | Method of purifying lithium hexafluorophosphate | |
KR20160065820A (ko) | 오불화인의 정제 방법 | |
EP2483260A2 (en) | Manufacture of difluoroethylene carbonate, trifluoroethylene carbonate and tetrafluoroethylene carbonate | |
JP2014523393A (ja) | 五フッ化リンを精製する方法及び装置 | |
KR20080065672A (ko) | 무수 하이드로겐 플루오라이드 조성물 및 이를 제조하는방법 | |
US6884403B2 (en) | Method of purifying lithium hexafluorophosphate | |
JPH06298720A (ja) | フルオロアルキルスルホン酸の精製方法 | |
JP5740451B2 (ja) | ビス(フルオロスルホニル)イミド塩の製造方法 | |
JP5779934B2 (ja) | フッ化カルシウムの回収方法 | |
JP2004075413A (ja) | 六フッ化リン酸錯体の製造方法および合成物並びに六フッ化リン酸およびその製造方法 | |
JP2012131658A (ja) | ホウフッ化リチウムの製造方法 | |
US20080003172A1 (en) | Continuous hydrolysis of hexafluoroarsenic acid | |
TWI540097B (zh) | Preparation of Tetrafluoroborate | |
JP4978051B2 (ja) | アンモニウム氷晶石の製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 201080003692.5 Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 10741171 Country of ref document: EP Kind code of ref document: A1 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 13148930 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2010741171 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: 20117020895 Country of ref document: KR Kind code of ref document: A |