WO2007148748A1 - メタル基材、その製造方法及び触媒 - Google Patents
メタル基材、その製造方法及び触媒 Download PDFInfo
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- WO2007148748A1 WO2007148748A1 PCT/JP2007/062485 JP2007062485W WO2007148748A1 WO 2007148748 A1 WO2007148748 A1 WO 2007148748A1 JP 2007062485 W JP2007062485 W JP 2007062485W WO 2007148748 A1 WO2007148748 A1 WO 2007148748A1
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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
- B01J37/0215—Coating
- B01J37/0225—Coating of metal substrates
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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
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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
- B01J21/02—Boron or aluminium; Oxides or hydroxides thereof
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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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
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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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
- B01J23/42—Platinum
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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
- B01J37/0215—Coating
- B01J37/0225—Coating of metal substrates
- B01J37/0226—Oxidation of the substrate, e.g. anodisation
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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
- B01J37/34—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation
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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
- B01J37/34—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation
- B01J37/341—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation making use of electric or magnetic fields, wave energy or particle radiation
- B01J37/343—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation making use of electric or magnetic fields, wave energy or particle radiation of ultrasonic wave energy
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C26/00—Coating not provided for in groups C23C2/00 - C23C24/00
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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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/56—Platinum group metals
- B01J23/63—Platinum group metals with rare earths or actinides
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2330/00—Structure of catalyst support or particle filter
- F01N2330/02—Metallic plates or honeycombs, e.g. superposed or rolled-up corrugated or otherwise deformed sheet metal
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2330/00—Structure of catalyst support or particle filter
- F01N2330/22—Metal foam
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/022—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
- F01N3/0222—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous the structure being monolithic, e.g. honeycombs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
- F01N3/035—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with catalytic reactors, e.g. catalysed diesel particulate filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
- F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
- F01N3/2807—Metal other than sintered metal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12389—All metal or with adjacent metals having variation in thickness
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
- Y10T428/24612—Composite web or sheet
Definitions
- the present invention relates to a metal substrate, a method for producing the same, and a catalyst. More specifically, the surface contains an alcoholium on the surface portion, and has at least one of a concave portion and a convex portion on the surface, The present invention relates to a metal substrate having a constant surface structure, a method for producing the same, and a catalyst using the same. Background
- Patent Documents 1 and 2 Conventionally, attempts have been made to uniformly coat a slurry for forming a catalyst layer containing a noble metal on a metal carrier (see Patent Documents 1 and 2).
- Patent Document 2 JP-A-8-332394
- the present invention has been made in view of the above-described problems of the prior art.
- the purpose of the present invention is to adhere to the slurry for forming a catalyst layer, and to form a catalyst layer to be formed.
- An object of the present invention is to provide a metal base material capable of improving the adhesiveness, a production method thereof and a catalyst using the same.
- the present inventors have found that the surface contains aluminum and the surface has a plurality of at least one of concave and convex portions. Then, it is found that the above object can be achieved by, for example, making the planar pattern formed from at least one of the concave portion and the convex portion and observed from above the surface of the metal substrate a scaly pattern. It came to be completed.
- the metal base material of the present invention contains aluminum on the surface portion, and has a recess and a recess on the surface.
- a metal substrate having a plurality of convex portions and at least one of the convex portions, which is constituted by at least one of the concave portions and the convex portions, and a planar pattern observed from above the surface of the metal substrate is a scale-like pattern.
- the first preferred embodiment of the metal base material of the present invention is one containing aluminum over the entire surface portion.
- a third preferred embodiment of the metal base material of the present invention has a plurality of at least one of a concave portion and a convex portion over the entire surface.
- a fourth preferred embodiment of the metal base material of the present invention is one in which the major axis corresponding to at least one circle or ellipse of the concave and convex portions forming the scaly pattern is 100 to 500 nm. .
- the catalyst of the present invention contains the metal base material of the present invention described above and a catalyst material.
- the method for producing a metal substrate of the present invention is a method for producing the metal substrate of the present invention, wherein the metal substrate containing at least aluminum is treated with an alcohol solvent or a hydrocarbon solvent. Ultrasonic treatment or microwave treatment is performed while being immersed in the substrate.
- the metal base material contains aluminum in the surface portion and has at least one of at least one of the concave portion and the convex portion on the surface, and is configured by at least one of the concave portion and the convex portion. Since the planar pattern observed from above the surface of the metal base material is a scale pattern, etc., the metal that can improve the adhesion with the slurry for forming the catalyst layer and further the adhesion with the formed catalyst layer It is possible to provide a substrate, a production method thereof, and a catalyst using the same.
- the metal foil may be a mesh metal, for example.
- the metal filter include those obtained by forming metal fibers by papermaking and those formed by metal foam.
- the metal carrier include what is called a monolithic structure type obtained by combining metal foils.
- the entire surface portion contains aluminum.
- the surface of a metal substrate such as metal fiber or metal foil can only be further improved in adhesion to the slurry for forming the catalyst layer, and further to the formed catalyst layer.
- the catalyst layer can be more uniformly formed throughout.
- the surface portion has a hydroxyl group, and the abundance thereof is 0.01 or more in terms of the absorbance of infrared spectroscopic analysis. More preferably, it exceeds 0.01. More preferably, it exceeds 0.015.
- the ability to further improve the adhesion to the catalyst layer forming slurry and further to the formed catalyst layer s can.
- the absorbance is a value after baseline correction in which the absorbance of the pre-treatment metal substrate described later is zero.
- the surface of a metal substrate such as metal fiber or metal foil can only be further improved in adhesion to the slurry for forming the catalyst layer, and further to the formed catalyst layer.
- the catalyst layer can be more uniformly formed throughout.
- the major axis corresponding to a circle or ellipse of at least one of the concave and convex portions forming the scale-like pattern is 100 to 500 nm.
- the surface of a metal substrate such as metal fiber or metal foil can only be further improved in adhesion to the slurry for forming the catalyst layer and further to the formed catalyst layer.
- the catalyst layer can be more uniformly formed throughout.
- the long diameter force is less than SlOOnm, the effect of improving the adhesion may be reduced, and when the long diameter exceeds 500 nm, the catalyst layer may be clogged.
- the “major axis equivalent to a circle or ellipse” means that if one scale in a scale-like pattern is stipulated, and there is no part considered to be invisible by other adjacent scales, the diameter of the circle Or, if there is a part that is considered to be invisible due to other scales adjacent to the major axis of the ellipse, the outline of the part considered to be invisible is appropriately compensated for as a circle or ellipse. This means the diameter of a circle and the major axis of an ellipse.
- the catalyst of the present invention as described above contains the metal base material of the present invention described above and a catalyst material.
- One embodiment of the catalyst is an example of a catalyst-supporting metal carrier, which is an example of the above-described metal substrate, and a catalyst material formed on the surface of a metal foil provided in the metal carrier.
- An exhaust gas purification catalyst having a catalyst layer containing a noble metal can be mentioned. By adopting such a configuration, the adhesion of the formed catalyst layer containing the noble metal is improved.
- components contained in the catalyst layer include noble materials such as platinum, palladium, and rhodium.
- noble materials such as platinum, palladium, and rhodium.
- examples include metals, cerium, zirconium, alkali metals, alkaline earth metals, etc., oxides that can function as promoters, aluminas, etc. The power that can be done is not limited to these.
- the method for producing a metal substrate of the present invention as described above is an example of a method for producing the metal substrate of the present invention, and at least an aluminum-containing metal substrate (metal substrate before treatment) is treated with alcohol.
- ultrasonic treatment or microwave treatment is performed while immersing in a solvent or hydrocarbon solvent to obtain a desired metal substrate.
- the force required to contain aluminum and other components are not particularly limited, and conventionally known, for example, ferritic stainless steel CFFE Steel, R20-5USR steel, Component elements: carbon, silicon, manganese, chromium, aluminum, lanthanoid elements), metal carriers such as Calsonic Kansei, Emitec, Usui Kogyo, etc.
- a metal filter, metal foil, metal fiber, or the like made of stainless steel can be used.
- the alcohol-based solvent power hydrophilic alcohol to be used or contains it Such a hydrophilic alcohol acts on the metal base material before processing to deposit aluminum over the entire surface portion of the metal base material, and a plurality of recesses and protrusions are formed on the entire surface of the metal base material. Can be formed uniformly, and can further improve the adhesion with the slurry for forming the catalyst layer, and further improve the adhesion with the formed catalyst layer. Further, when a hydrophilic alcohol is used, a catalyst layer can be more uniformly formed on the surface of a metal substrate such as metal fiber or metal foil due to the reduction effect.
- hydrophilic alcohol refers to a substance that is uniformly mixed when mixed with water.
- the alcoholic solvent power hydrophilic alcohol is 70 to 99%, more preferably 90 to 99%.
- the content of the hydrophilic alcohol is in the range of 70 to 99%, a plurality of recesses and protrusions can be formed particularly uniformly on the entire surface of the metal substrate, and the adhesion with the slurry for forming the catalyst layer is improved. Furthermore, the adhesion with the formed catalyst layer can be particularly improved.
- the catalyst layer can be formed uniformly on the surface of the metal substrate.
- the content of the hydrophilic alcohol is less than 70%, it is impossible to uniformly form the catalyst layer on the surface of the metal substrate.
- Examples of other components include water, but are not limited thereto, and may include, for example, ethylene, hexane, isopropyl alcohol, and the like.
- hydrophilic alcohols include, but are not limited to, methanol, ethanol, 1-propanol or 2-propanol, and a mixture of any combination thereof. Absent. That is, ethylene, hexane, ethylene glycol, glycerin and the like can be used.
- the firing conditions can be set as appropriate, and the firing temperature, whether in an inert atmosphere such as argon or nitrogen or in an oxidizing atmosphere such as air, is about 300 to 500 ° C, for example.
- the firing time should be about 0.5 to 1.0 hours, for example. It is also preferable to set the firing temperature to a melting temperature X O. 9 ° C. or lower of a metal substrate (pre-treatment methanol substrate) containing 800 ° C. or higher and at least aluminum. Even in this way, it is possible to easily obtain a metal base material that can further improve the adhesion with the catalyst layer forming slurry and the adhesion with the formed catalyst layer.
- FIG. 1 is an explanatory view showing an example of a method for producing a catalyst-supporting metal carrier according to Example 1-1.
- a pre-treatment metal carrier produced by Calsonic Kansei
- ethanol concentration: 99%
- the pre-treatment metal carrier 2 is immersed in ethanol 10 in the container 20 (see part (B) in FIG. 1).
- this is placed in the sonicator 30 and sonication is performed for 15 minutes.
- take it out of the container 10 see Fig. 1 (D)
- FIG. 2 is a SEM photograph of the surface of the metal foil of the catalyst-supporting metal carrier according to Example 1-1.
- FIG. 3 is another SEM photograph (higher magnification than FIG. 2) of the metal foil surface of the catalyst-supporting metal carrier according to Example 1-1.
- FIG. 4 is an SEM photograph of the metal foil surface of the metal carrier before treatment.
- the surface portion of the metal foil of the obtained catalyst-supporting metal carrier and the surface portion of the metal foil of the pre-treatment metal carrier were measured by X-ray photoelectron spectroscopy (XPS).
- FIG. 5 is a graph showing the relationship between the XPS-extracted component and its content in the metal foil surface portions of the catalyst-supporting metal carrier and the pre-treatment metal carrier according to Example 1-1.
- Example 1-1 In place of the ethanol used in Example 1-1, in Example 1-2, ethanol (concentration: 80%, other components (H 0: 20%)) was used.
- Example: In 1-3 ethanol (concentration: 60
- Example 1-1 %, Other components (H 0: 40%)) were used, and the same operation as in Example 1-1 was repeated.
- a catalyst-supporting metal carrier of this example was obtained.
- Example 1-4 2-propanol (concentration: 99%, other components (impurities: 1%)) was used. Except for using terehexane (manufactured by Wako Pure Chemical Industries, Ltd.), the same operation as in Example 1-1 was repeated to obtain a catalyst-supporting metal carrier of this example.
- Example 1-1 In place of ethanol used in Example 1-1, 2-propanol (concentration: 99%, other components (impurities: 1%)) was used, and further a step of baking at 400 ° C for 30 minutes in the atmosphere was performed. Except for the above, the same operation as in Example 1-1 was repeated to obtain the catalyst-supporting metal carrier of this example. Obtained.
- FIG. 8 is a SEM photograph of the metal foil surface of the catalyst-supporting metal carrier according to Example 1-6.
- Example 1-1 The same procedure as in Example 1-1 was repeated except that acetone (manufactured by Wako Pure Chemical Industries, Ltd.) was used in place of ethanol used in Example 1-1, and the catalyst-supporting metal carrier of this example was obtained. Obtained.
- Example 1-1 The pre-treatment metal carrier used in Example 1-1 was calcined in the atmosphere at 400 ° C. for 30 minutes to obtain a catalyst-supporting metal carrier of this example.
- FIG. 10 is an SEM photograph of the metal foil surface of the catalyst-supporting metal carrier according to Comparative Example 1-2.
- the adhesion evaluation test 1 was carried out using the catalyst-supporting metal carrier of Examples 1-1 and 1-4 to 1-6 and Comparative Examples 1-1 and 1-2 and the pre-treatment metal carrier.
- “A” is 3.5 g or more
- “B” is 2.5 g or more
- “C” is 2 g or more
- “D” is less than 2 g.
- “Reference Example 1” in Table 1 is one in which an evaluation test was performed using a pre-treated metal carrier as it was to form a catalyst layer.
- the adhesion evaluation test 2 was carried out using the catalyst-supporting metal carrier and the metal carrier before treatment in Examples 1-:! To 1-4 and Comparative Example 1-1.
- the test conditions are the same as in Adhesion Evaluation Test 1. The obtained results are shown in FIG.
- Comparative Example 2-1 uses a pre-treatment metal carrier (Calsonic Kansei, Cpsi: 1200, volume: 1 L). -In No. 2, metal carrier before treatment (Calsonic Kansei, Cpsi: 900, volume: 1U was used.
- Comparative Example 2-3 metal carrier before treatment (Calsonic Kansei, Cpsi: 600, volume)
- Comparative Example 2-4 the metal carrier before treatment (Calsonic Kansei, Cpsi: 300, volume: 1U was used
- Comparative Example 2-5 the metal carrier before treatment (made by Calsonic Kansei) (Cpsi: 200, volume: 1 L), the catalyst layer forming slurry as used in Example 1 was applied as it was, the excess slurry was removed, dried and baked, and as shown in Table 2 The exhaust gas purification catalyst of this example was obtained.
- FIG. 13 is a graph showing the relationship between the catalyst layer thickness and the NOx conversion rate in each example.
- 'Nx conversion was calculated from exhaust gas from the engine outlet and tailpipe.
- Example 3-1 The untreated metal fiber used in Example 3-1 was baked at 700 ° C for 30 minutes in the air to obtain a fibrous metal substrate of this example.
- Example 3-1 The untreated metal fiber used in Example 3-1 was baked at 850 ° C. for 30 minutes in the air to obtain a fibrous metal substrate of this example.
- FIG. 14 is a graph showing the relationship between the content (atomic%) of aluminum (A1) on the surface portion and the amount of hydroxyl groups (absorbance) on the surface portion in each example.
- baseline correction was performed by setting the value of the untreated metal fiber as it was (hereinafter referred to as “Reference Example 2”) to zero.
- Example 3-1 belonging to the scope of the present invention contains aluminum in the surface portion. .
- ethanol concentration: 99%
- a container in which these are placed After heat-treating the pre-treatment metal foil at 1000 ° C for 30 minutes, prepare ethanol (concentration: 99%), which is an example of an alcohol solvent, and a container in which these are placed, and then place the pre-treatment metal foil in the container. Immerse in ethanol, then place it in a sonicator, sonicate for 5 minutes, then remove from the container, then air dry overnight, and further dry at 130 ° C for 1 hour. Then, the metal foil of this example was obtained by firing at 400 ° C. for 30 minutes in the air.
- Example 4-1 The pre-treatment metal foil used in Example 4-1 was baked at 700 ° C for 30 minutes in the air to obtain the metal foil of this example.
- Example 4-1 The untreated metal foil used in Example 4-1 was baked at 850 ° C. for 30 minutes in the air to obtain the metal foil of this example.
- the contact angle ( ⁇ ) was measured by the following method using the metal foil of each of the above examples.
- Figure 16 shows the result.
- FIG. 16 is a graph showing the contact angle ( ⁇ ) of each example.
- “Reference Example 3” is an evaluation test using the pre-treated metal foil as it is.
- Example 41 belonging to the scope of the present invention has a smaller contact angle and superior wettability compared to Comparative Example 41 and Comparative Example 4_2 outside the present invention. I understand.
- FIG. 17 is a graph showing the mass of the weight when the catalyst layer completely peels off in each example. Note that “Reference Example 3” in FIG. 17 is an evaluation test using the metal foil of Reference Example 3 as it is to form a catalyst layer.
- Example 4_1 belonging to the scope of the present invention has a higher value of the pulling force test result than Comparative Example 4_1 and Comparative Example 4 2 outside the present invention. It can be seen that the adhesion of the catalyst layer is improved.
- Example 5 1-1 to Example 5-3 Except that the treatment frequency in the ultrasonic treatment was changed to 100 kHz, the same operations as in Example 5 1-1 to Example 5-3 were repeated to obtain a catalyst-supporting metal carrier in each example.
- FIG. 18 is a graph showing the relationship between the treatment time of each example and the aluminum and iron contents in the surface portion. From FIG. 18, it can be seen that the treatment time of the ultrasonic treatment is preferably shorter.
- the catalyst layer forming slurry has been described as an example of coating a metal base material, but the present invention is not limited to this.
- it can be applied to paint or other metal such as water-based paint or oil-based paint. It can also be used as the base metal substrate of the object to be painted, and adheres to the paint or other metal that is applied or painted on it, as well as the coating or other metal that is formed or coated on the metal. Therefore, it is possible to improve the adhesion with a layer formed from the above.
- FIG. 2 is an SEM photograph of the surface of the metal foil of the catalyst-supporting metal carrier according to Example 1-1.
- FIG. 4 SEM photograph of the metal foil surface of the metal carrier before treatment.
- FIG. 5 is a graph showing the relationship between the XPS extracted component and the content ratio in the surface portion of the metal foil of the catalyst-supporting metal carrier and the pre-treatment metal carrier according to Example 1-1.
- FIG. 7 is a SEM photograph of the metal foil surface of the catalyst-supporting metal carrier according to Example 1-5.
- FIG. 10 is a SEM photograph of the metal foil surface of the catalyst-supporting metal carrier according to Comparative Example 1-2.
- FIG. 11 is a perspective view showing an outline of an adhesion evaluation test.
- FIG. 12 is a graph showing the mass of the weight when the catalyst layer completely peels off in each example.
- FIG. 13 is a graph showing the relationship between catalyst layer thickness and N 0 x conversion rate in each example.
- FIG. 14 is a graph showing the relationship between A1 content and hydroxyl group absorbance in each example.
- FIG. 16 is a graph showing the contact angle ( ⁇ ) of each example.
- FIG. 17 is a graph showing the mass of the weight when the catalyst layer completely peels off in each example.
- FIG. 18 is a graph showing the relationship between the treatment time of each example and the aluminum and iron contents in the surface portion.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Plasma & Fusion (AREA)
- Toxicology (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Optics & Photonics (AREA)
- Catalysts (AREA)
- Exhaust Gas After Treatment (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/305,592 US20090220816A1 (en) | 2006-06-23 | 2007-06-21 | Metal base, method for producing the same, and catalyst |
EP07767312.7A EP2033709A4 (en) | 2006-06-23 | 2007-06-21 | METAL BASE, METHOD FOR PRODUCING THE SAME, AND CATALYST |
CN2007800236690A CN101479039B (zh) | 2006-06-23 | 2007-06-21 | 金属基材、金属基材的制造方法以及催化剂 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006-174240 | 2006-06-23 | ||
JP2006174240 | 2006-06-23 | ||
JP2007-125394 | 2007-05-10 | ||
JP2007125394A JP5278641B2 (ja) | 2006-06-23 | 2007-05-10 | メタル基材の製造方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007148748A1 true WO2007148748A1 (ja) | 2007-12-27 |
Family
ID=38833486
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/062485 WO2007148748A1 (ja) | 2006-06-23 | 2007-06-21 | メタル基材、その製造方法及び触媒 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20090220816A1 (ja) |
EP (1) | EP2033709A4 (ja) |
JP (1) | JP5278641B2 (ja) |
KR (1) | KR101025346B1 (ja) |
CN (1) | CN101479039B (ja) |
WO (1) | WO2007148748A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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RU2414300C1 (ru) | 2009-08-04 | 2011-03-20 | Инфра Текнолоджиз Лтд. | Носитель для катализатора экзотермических процессов и катализатор на его основе |
JP6466629B1 (ja) * | 2017-02-28 | 2019-02-06 | 日鉄ケミカル&マテリアル株式会社 | 触媒担持用ハニカム基材、排ガス浄化用触媒コンバータ |
CN116764435B (zh) * | 2023-08-17 | 2023-11-03 | 山西毅诚科信科技有限公司 | 一种烟气scr脱硝混合反应装置 |
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JPH08332394A (ja) | 1995-06-07 | 1996-12-17 | Calsonic Corp | 排気浄化用金属担体触媒およびその製造方法 |
JPH102603A (ja) | 1996-06-14 | 1998-01-06 | Takenaka Komuten Co Ltd | 給気ダクト用風量調整装置 |
JP2794427B2 (ja) * | 1988-11-25 | 1998-09-03 | 秀雄 亀山 | 熱伝導性触媒体を用いた酸化燃焼方法 |
WO2004103549A2 (en) * | 2003-05-16 | 2004-12-02 | Velocys Inc. | Oxidation process using microchannel technology and novel catalyst useful in same |
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US2728551A (en) * | 1951-08-27 | 1955-12-27 | Glenn R Blackman | Plug valve and sealing means therefor |
US2883311A (en) * | 1956-10-01 | 1959-04-21 | Vertol Aircraft Corp | Method and composition for treating aluminum and aluminum alloys |
GB1243424A (en) * | 1969-02-17 | 1971-08-18 | Pyrene Co Ltd | Cleaning and brightening of aluminium surfaces |
US5052421A (en) * | 1988-07-19 | 1991-10-01 | Henkel Corporation | Treatment of aluminum with non-chrome cleaner/deoxidizer system followed by conversion coating |
JPH08103666A (ja) * | 1994-10-03 | 1996-04-23 | Sakai Chem Ind Co Ltd | 不活性基体に担持させて触媒構造体を製造するための触媒スラリー及び触媒構造体の製造方法 |
JP2000354769A (ja) * | 1999-06-15 | 2000-12-26 | Suzuki Motor Corp | 排気ガス浄化触媒の製造方法 |
WO2003101762A1 (en) * | 2002-05-28 | 2003-12-11 | Advanced Technology Materials, Inc. | Process for cleaning and repassivating semiconductor equipment parts |
JP3953944B2 (ja) * | 2002-11-20 | 2007-08-08 | 新日鉄マテリアルズ株式会社 | 金属箔及びハニカム構造体 |
US7601672B2 (en) * | 2002-11-20 | 2009-10-13 | Nippon Steel Corporation | High Al stainless steel sheet and honeycomb bodies employing them |
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2007
- 2007-05-10 JP JP2007125394A patent/JP5278641B2/ja not_active Expired - Fee Related
- 2007-06-21 CN CN2007800236690A patent/CN101479039B/zh not_active Expired - Fee Related
- 2007-06-21 US US12/305,592 patent/US20090220816A1/en not_active Abandoned
- 2007-06-21 WO PCT/JP2007/062485 patent/WO2007148748A1/ja active Application Filing
- 2007-06-21 KR KR1020087031181A patent/KR101025346B1/ko not_active IP Right Cessation
- 2007-06-21 EP EP07767312.7A patent/EP2033709A4/en not_active Withdrawn
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JPS5144912B2 (ja) * | 1973-12-09 | 1976-12-01 | ||
JPH0334980B2 (ja) * | 1986-02-10 | 1991-05-24 | Nippon Steel Corp | |
JPH0444177Y2 (ja) * | 1987-08-11 | 1992-10-19 | ||
JP2794427B2 (ja) * | 1988-11-25 | 1998-09-03 | 秀雄 亀山 | 熱伝導性触媒体を用いた酸化燃焼方法 |
JPH08332394A (ja) | 1995-06-07 | 1996-12-17 | Calsonic Corp | 排気浄化用金属担体触媒およびその製造方法 |
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WO2004103549A2 (en) * | 2003-05-16 | 2004-12-02 | Velocys Inc. | Oxidation process using microchannel technology and novel catalyst useful in same |
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Also Published As
Publication number | Publication date |
---|---|
EP2033709A4 (en) | 2014-08-13 |
JP5278641B2 (ja) | 2013-09-04 |
US20090220816A1 (en) | 2009-09-03 |
EP2033709A1 (en) | 2009-03-11 |
KR20090029733A (ko) | 2009-03-23 |
CN101479039B (zh) | 2013-05-22 |
CN101479039A (zh) | 2009-07-08 |
KR101025346B1 (ko) | 2011-03-28 |
JP2008023518A (ja) | 2008-02-07 |
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