WO2014156768A1 - 成形体の乾燥方法 - Google Patents
成形体の乾燥方法 Download PDFInfo
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- WO2014156768A1 WO2014156768A1 PCT/JP2014/057140 JP2014057140W WO2014156768A1 WO 2014156768 A1 WO2014156768 A1 WO 2014156768A1 JP 2014057140 W JP2014057140 W JP 2014057140W WO 2014156768 A1 WO2014156768 A1 WO 2014156768A1
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- molded body
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/638—Removal thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D12/00—Displacing liquid, e.g. from wet solids or from dispersions of liquids or from solids in liquids, by means of another liquid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/22—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip
- B22F3/225—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip by injection molding
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/632—Organic additives
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/005—Drying solid materials or objects by processes not involving the application of heat by dipping them into or mixing them with a chemical liquid, e.g. organic; chemical, e.g. organic, dewatering aids
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
- C04B2235/602—Making the green bodies or pre-forms by moulding
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
- C04B2235/604—Pressing at temperatures other than sintering temperatures
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
- C04B2235/606—Drying
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2210/00—Drying processes and machines for solid objects characterised by the specific requirements of the drying good
- F26B2210/02—Ceramic articles or ceramic semi-finished articles
Definitions
- the present invention relates to a method for drying a molded body.
- the molded body is typically heated. Thereby, the solvent contained in the molded body is volatilized and removed, and the molded body is dried. However, in this case, drying proceeds sequentially from the surface portion to the center portion of the molded body. In other words, drying of the molded body proceeds locally. As a result, there is a problem that cracks are likely to occur on the surface of the molded body due to local stress concentration. In addition, when the boiling point of the solvent is high, it takes a long time for the solvent to volatilize. As a result, there is a problem that the time required for drying the molded body becomes long.
- the present invention has been made in order to cope with the above-described problems, and the object of the present invention is that the time required for drying the molded body is relatively short, and cracks are hardly generated on the surface of the molded body. It is to provide a drying method.
- the drying method of a molded body according to the present invention is a method of drying a molded body obtained by molding a slurry containing ceramic powder or metal powder, a binder, and a solvent that dissolves the binder.
- a feature of the method for drying a molded body according to the present invention is that the molded body is immersed in a “liquid that has a boiling point of 95 ° C. or less at 1 atm and is compatible with the solvent and does not dissolve the binder”.
- a second step of volatilizing and removing is included in the “liquid”.
- the “liquid” there is an alternative chlorofluorocarbon.
- the boiling point of the solvent at 1 atm is preferably 120 ° C. or higher.
- the solvent contained in the molded body is replaced with the “liquid” inside the molded body.
- This substitution proceeds inside the molded body by the above-mentioned “liquid” being compatible with the solvent.
- the “liquid” does not dissolve the binder. Therefore, the shape of the molded body can be maintained even after the solvent contained in the molded body is replaced with the “liquid”.
- the “liquid” contained in the molded body is volatilized and removed. Since the boiling point of the “liquid” at 1 atm is 95 ° C. or less, the “liquid” can be volatilized at a high speed at normal temperature and normal pressure. In other words, the “liquid” can be removed from the inside of the molded body at a high speed without heating the molded body due to volatilization of the “liquid”. As described above, according to the present invention, it is possible to provide a method for drying a molded body in which the time required for drying the molded body is relatively short and cracks are hardly generated on the surface of the molded body.
- the molded body in the first step, is immersed in the liquid in a state where the molded body is contained in a molding die used for molding the slurry. And a step of separating the molded body from the mold.
- separating (removing) the molded body from the mold may be referred to as “release”.
- “mold release” can be achieved without applying an external force only by immersing the molded body in the mold in the “liquid”.
- the above-mentioned “liquid” such as alternative chlorofluorocarbon has a characteristic that “surface tension and viscosity are relatively low and penetrating power is large”. Therefore, the “liquid” is likely to enter in detail between the molding surface of the mold and the surface of the molded body. Accordingly, a thin layer of the “liquid” is formed between the molding surface of the mold and the surface of the molded body, and as a result, “release” can be promoted and achieved.
- the resin component (binder or the like) existing inside the molded body is swollen by the “liquid” such as a substitute chlorofluorocarbon, and as a result, a swelling pressure is generated. Due to this swelling pressure, a shear stress is generated between the molding surface of the mold and the surface of the molded body, and “mold release” can be promoted and achieved.
- the “liquid” such as a substitute chlorofluorocarbon
- liquid A is compatible with liquid B
- liquid B means that 1 cc or more of liquid B is dissolved in 100 cc of liquid A
- liquid A is compatible with liquid B
- Undissolved means that for 100 cc of liquid A, liquid B dissolves less than 1 cc.
- dissolved means that a solute (typically a solvent present in a molded body) is dispersed in a solvent (typically an alternative chlorofluorocarbon) to form a uniform single phase. To do.
- the liquid does not dissolve the binder means that the binder dissolves less than 0.5 cc with respect to 100 cc of the liquid A (typically, alternative chlorofluorocarbon). Point to.
- the molded body is porous, and the porosity of the molded body is 20% by volume or more and 90% by volume or less.
- the porosity of the molded body is more preferably 30% by volume or more and 60% by volume or less. If it is “30% by volume or more”, the volume of pores for allowing the substitute chlorofluorocarbon to enter the molded body becomes sufficiently large, and the time required for the “replacement” can be sufficiently shortened. If it is “60 volume% or less”, a sufficiently dense fired body can be obtained by firing after the molded body.
- the ratio of the solvent replaced with the liquid in the molded body (currently present in the molded body with respect to the volume of the solvent present in the molded body before the first step). It is preferable that the second step is started after the volume ratio of the liquid becomes 85% or more.
- the alternative chlorofluorocarbon as the “liquid” preferably has a surface tension of 12 mN / m to 24 mN / m and a viscosity of 0.3 mPa ⁇ s. It is preferable that the pressure is 2 mPa ⁇ s or more.
- Alternative fluorocarbons include hydrofluorocarbon (HFC), hydrofluoroether (HFE), hydrochlorofluorocarbon (HCFC) and the like.
- FIG. 2 is a view corresponding to FIG. 1 when the molded body is immersed in an alternative chlorofluorocarbon in a state in which the molded body is contained in a molding die used for forming the slurry.
- FIG. 4 it is a figure corresponding to FIG. 2 which showed a mode that a molded object isolate
- 1st Embodiment is related with the drying method of the molded object (molded object after taking out from a shaping
- This molded body can be obtained by charging a slurry containing ceramic powder or metal powder, an organic binder, and a solvent into a mold and molding the slurry in the mold.
- This slurry contains a plasticizer, a dispersion aid, and the like as necessary.
- the ceramic raw material powder and / or the metal powder is a main raw material powder constituting the compact.
- each component is 10 to 15% by volume of ceramic raw material powder and / or metal powder, 5 to 20% by volume of organic binder, 60 to 70% by volume of solvent, 2 to 5% by volume of plasticizer,
- the dispersing aid may be 2-5% by volume.
- This molded body is preferably porous. In this case, the porosity of the molded body is preferably 20% by volume or more and 90% by volume or less.
- oxide ceramics may be used, or non-oxide ceramics may be used.
- Metal compounds for forming ceramics having a desired composition by firing such as barium titanate and strontium titanate, nitrides such as silicon nitride, titanium nitride and aluminum nitride, and carbides such as silicon carbide and titanium carbide Can be used.
- the particle size of the ceramic raw material powder is not particularly limited as long as the slurry can be prepared (that is, the powder can be stably dispersed in the solvent).
- the metal powder is not particularly limited as long as it has conductivity, for example.
- powder made of nickel, palladium, platinum, gold, silver, copper, tungsten, molybdenum, or an alloy thereof can be used. These metal powders may be used alone or in combination of two or more.
- the organic binder is not particularly limited as long as it is soluble in a solvent, for example.
- a solvent for example, butyral type such as polyvinyl butyral, acrylic type such as butyl acrylate and butyl methacrylate, cellulose type such as ethyl cellulose and methyl cellulose, urethane type resin, phenol type resin, epoxy type resin and the like can be used.
- a urethane precursor that becomes a urethane resin by a chemical reaction, represented by isocyanate and polyol may be used.
- the solvent is not particularly limited as long as it dissolves an organic binder, a plasticizer, and a dispersion aid, for example.
- alcohols methanol, ethanol, isopropyl alcohol, butanol, octanol, 2-ethylhexanol, etc.
- ethers (2-methoxyethanol, ethylene glycol monoethyl ether, ethylene glycol monobutyl ether, diethylene glycol dimethyl ether, diethylene ether, diethylene glycol) Monobutyl ether, etc.
- ketones acetone, methyl ethyl ketone, methyl isobutyl ketone, diisobutyl ketone, etc.
- esters and dibasic acid esters (ethyl acetate, butyl acetate, dimethyl glutarate, triacetin, ethylene glycol monomethyl ether acetate, ethylene)
- the boiling point of the solvent at 1 atm is preferably 120 ° C. or higher.
- solvents listed above those having a boiling point of 120 ° C. or higher at 1 atm are alcohols (octanol, 2-ethylhexanol), ethers (2-methoxyethanol, ethylene glycol monoethyl ether, ethylene glycol mono Butyl ether, diethylene glycol dimethyl ether, diethylene glycol monobutyl ether), ketones (diisobutyl ketone), esters and dibasic acid esters (butyl acetate, dimethyl glutarate, triacetin, ethylene glycol monomethyl ether acetate, ethylene glycol monobutyl ether acetate, diethylene glycol monoethyl) Ether acetate, diethylene glycol monobutyl ether acetate, propylene glycol monomethyl ether acetate Over G), a hydrocarbon (xylene).
- plasticizer for example, phthalic acid derivatives, isophthalic acid derivatives, tetrahydrophthalic acid derivatives, adipic acid derivatives, maleic acid derivatives, fumaric acid derivatives, stearic acid derivatives, oleic acid derivatives, itaconic acid derivatives, ricinol derivatives can be used. . Of these, phthalic acid derivatives are particularly preferred.
- dimethyl phthalate, diethyl phthalate, dibutyl phthalate, di- (2-ethylhexyl) phthalate, dioctyl phthalate, diisooctyl phthalate, diisobutyl phthalate, diheptyl phthalate, diphenyl phthalate and the like can be used.
- the dispersion aid examples include polycarboxylic acid copolymers, polycarboxylates, sorbitan fatty acid esters, polyglycerin fatty acid esters, phosphate ester copolymers, sulfonate copolymers, tertiary amines.
- a polyurethane polyester-based copolymer having the above can be used.
- polycarboxylic acid copolymers, polycarboxylates, and the like are suitable.
- a dipping bath is placed in a space of a completely sealed system at normal temperature and normal pressure (for example, filled with air).
- the immersion tank is filled with alternative chlorofluorocarbon (liquid), and a net cage is submerged in the alternative chlorofluorocarbon.
- chlorofluorocarbon for example, hydrofluorocarbon (HFC), hydrofluoroether (HFE), hydrochlorofluorocarbon (HCFC) or the like can be used.
- HFC hydrofluorocarbon
- HFE hydrofluoroether
- HCFC hydrochlorofluorocarbon
- This alternative chlorofluorocarbon has a boiling point of 95 ° C. or less at 1 atm, and is compatible with the solvent present in the molded body, but does not dissolve the organic binder.
- the alternative chlorofluorocarbons since the boiling point at 1 atmosphere of alternative chlorofluorocarbons is 95 ° C. or less, the alternative chlorofluorocarbons volatilize at high speed in a room temperature / normal pressure space. However, since this space is a completely sealed system, the alternative chlorofluorocarbon does not escape to the outside of this space.
- the boiling point at 1 atm of the alternative chlorofluorocarbon is preferably 30 ° C. or higher.
- the binder dissolves less than 0.5 cc, more preferably less than 0.2 cc, with respect to 100 cc of substitute chlorofluorocarbon. Thereby, sufficient mechanical strength can be ensured to maintain the shape of the molded body.
- the molded article after the above-mentioned “release” is immersed on a net cage in the alternative chlorofluorocarbon.
- the entire molded body is immersed in the substitute chlorofluorocarbon.
- the ratio of the total volume of the molded body immersed in the alternative chlorofluorocarbon (in the example shown in FIG. 1, the total volume of the three molded bodies) to the total volume of the alternative chlorofluorocarbon (liquid) filled in the immersion tank is 20% or less is preferable.
- the time (immersion time) in which the molded body is immersed in the alternative chlorofluorocarbon is, for example, 15 minutes to 120 minutes.
- This immersion time is, for example, the rate at which the solvent is replaced with the substitute chlorofluorocarbon inside the molded body (the volume of the substitute chlorofluorocarbon currently existing inside the molded body with respect to the volume of the solvent existing inside the molded body before immersion).
- the ratio can be set to a time of 85% or more.
- the molded product is taken out from the alternative chlorofluorocarbon (liquid) by lifting the net cage from the immersion tank.
- the substitute chlorofluorocarbon filled in the immersion tank is transferred to a storage tank provided outside the space.
- the space is depressurized by a vacuum pump (the pressure in the space is adjusted to a pressure lower than the normal pressure). The pressure in the space may be maintained at normal pressure.
- the boiling point at 1 atm of alternative chlorofluorocarbon is 95 ° C. or less. Therefore, alternative CFCs can volatilize at high speed even at room temperature and normal pressure.
- the alternative chlorofluorocarbon volatilizes at a higher speed than under normal pressure. Therefore, the substitute chlorofluorocarbon existing in the molded body taken out from the substitute chlorofluorocarbon as described above is volatilized and removed from the inside of the molded body at high speed. As a result, the molded body is dried.
- the time required for volatilization / removal of all the alternative chlorofluorocarbon remaining in the molded body is, for example, 1 minute or more and 15 minutes or less.
- the volatilized substitute chlorofluorocarbon (gas) is distilled and regenerated through a vacuum pump and transferred to a storage tank.
- the alternative chlorofluorocarbon can be removed from the inside of the molded body at high speed without heating the molded body due to volatilization of the alternative chlorofluorocarbon. Therefore, it is possible to provide a method for drying a molded body in which the time required for drying the molded body is relatively short and cracks due to heating of the molded body are hardly generated on the surface of the molded body.
- the temperature in the space decreases by an amount corresponding to the latent heat (vaporization heat) of the alternative chlorofluorocarbon. Therefore, in order to keep the temperature in the space constant, the space may be heated by an amount corresponding to the latent heat (vaporization heat) of the alternative chlorofluorocarbon.
- the molding die when the molding die is composed of a dense member (a member having a low porosity) to the extent that the substitute chlorofluorocarbon cannot enter the inside, as shown in FIG. 3, the molded body enters the molding die. In this state, a part of the surface of the molded body needs to be exposed to the outside. This is to provide an inlet through which the alternative chlorofluorocarbon enters into the molded body.
- the molding die when the molding die is composed of a porous member (a member having a high porosity) that allows the substitute chlorofluorocarbon to enter the inside, the outer surface of the molding body is in the state where the molding body is in the molding die. There may be no exposed part. This is because the alternative chlorofluorocarbon can enter the inside of the molded body through the pores inside the mold.
- the molded body naturally separates from the mold without applying external force at a certain stage in the process in which the solvent contained in the molded body is gradually replaced with the alternative chlorofluorocarbon.
- the molded body is naturally separated from the mold at the stage of FIG. 5 (b). That is, “release” is naturally achieved without applying external force. This is considered based on the following reasons.
- alternative CFCs have the characteristics of “relatively low surface tension and viscosity and high penetrating power”. Accordingly, the alternative chlorofluorocarbon (liquid) is likely to enter in detail between the molding surface of the mold and the surface of the molded body. Accordingly, a thin layer of alternative chlorofluorocarbon is formed between the molding surface of the mold and the surface of the molded body. As a result, “release” can be promoted and achieved. Secondly, resin components (such as an organic binder) existing inside the molded body are swollen by the alternative chlorofluorocarbon (liquid), and as a result, a swelling pressure is generated. Due to this swelling pressure, a shear stress is generated between the molding surface of the mold and the surface of the molded body, and “mold release” can be promoted and achieved.
- resin components such as an organic binder
- the molded body is dried according to the same procedure as in the first embodiment.
- a mold method may be provided.
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Abstract
Description
第1実施形態は、「離型」後の成形体(成形型から取り出された後の成形体)の乾燥方法に関する。この成形体は、セラミックス粉末又は金属粉末、有機バインダ、及び溶媒を含むスラリーを成形型に投入し、成形型内でスラリーを成形することで得られる。このスラリーには、必要に応じて、可塑剤、分散助剤等も含まれる。セラミックス原料粉体及び/又は金属粉体は、成形体を構成する主原料の粉体である。各成分の含有割合は、セラミックス原料粉体及び/又は金属粉体が10~15体積%、有機バインダが5~20体積%、溶媒が60~70体積%、可塑剤が2~5体積%、分散助剤が2~5体積%とされ得る。この成形体は多孔質であることが好適である。この場合、成形体の気孔率は20体積%以上且つ90体積%以下であることが好適である。
次に、第2実施形態について説明する。この第2実施形態は、「離型」前の成形体(成形型に入った状態の成形体)が代替フロンに浸漬される点においてのみ、「離型」後の成形体(成形型から取り出された後の成形体)が代替フロンに浸漬される上記第1実施形態と異なる。以下、第2実施形態において上記第1実施形態と異なる点についてのみ説明する。
Claims (4)
- セラミックス粉末又は金属粉末、バインダ、及び、前記バインダを溶解する溶媒を含むスラリーを成形して得られた成形体を乾燥する、成形体の乾燥方法であって、
1気圧での沸点が95℃以下であり、且つ、前記溶媒と相溶し前記バインダを溶解しない液体に前記成形体を浸漬することによって、前記成形体の内部において前記成形体に含まれる前記溶媒を前記液体に置換する第1工程と、
前記第1工程後、前記成形体を前記液体から取り出して、前記成形体に含まれる前記液体を揮発除去する第2工程と、
を含む、成形体の乾燥方法。 - 請求項1に記載の成形体の乾燥方法において、
前記第1工程において、
前記スラリーの成形に使用された成形型に前記成形体が入った状態で、前記液体に前記成形体を浸漬することによって、前記成形体を前記成形型から分離する工程が含まれる、成形体の乾燥方法。 - 請求項1又は請求項2に記載の成形体の乾燥方法において、
前記液体は、代替フロンである、成形体の乾燥方法。 - 請求項1乃至請求項3の何れか一項に記載の成形体の乾燥方法において、
前記溶媒の1気圧での沸点が120℃以上である、成形体の乾燥方法。
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DE112014001704.3T DE112014001704B4 (de) | 2013-03-26 | 2014-03-17 | Presskörper-Trocknungsverfahren |
JP2015508320A JP6294869B2 (ja) | 2013-03-26 | 2014-03-17 | 成形体の乾燥方法 |
US14/861,092 US10183893B2 (en) | 2013-03-26 | 2015-09-22 | Compact drying method |
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Citations (4)
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---|---|---|---|---|
JPS61155264A (ja) * | 1984-12-26 | 1986-07-14 | 住友重機械工業株式会社 | 液化した流体により成形体中のバインダ−を除去する方法 |
JPH02147202A (ja) * | 1988-04-29 | 1990-06-06 | Yuken Kogyo Kk | 非可塑性材料の成形方法 |
JPH02289693A (ja) * | 1988-12-22 | 1990-11-29 | Daikin Ind Ltd | 共沸溶剤組成物 |
JPH059507A (ja) * | 1991-07-02 | 1993-01-19 | Nkk Corp | 粉体の成形方法 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3901742A (en) * | 1974-04-11 | 1975-08-26 | Gen Electric | Removal of lubricants and binders from sinterable powder components |
US4225345A (en) * | 1978-08-08 | 1980-09-30 | Adee James M | Process for forming metal parts with less than 1 percent carbon content |
JPS5726105A (en) * | 1980-07-08 | 1982-02-12 | Emu Adeii Jieemusu | Molding of metal parts |
EP0374780A1 (en) | 1988-12-20 | 1990-06-27 | Daikin Industries, Limited | Solvents containing dichlorotetrafluoropropane |
JPH04170357A (ja) * | 1990-11-05 | 1992-06-18 | Tokin Corp | 脱脂性磁性粉末成形体及びその脱脂方法 |
JPH0533006A (ja) * | 1991-07-31 | 1993-02-09 | Komatsu Ltd | 粉末射出焼結体の製造方法 |
JPH10110201A (ja) * | 1996-10-03 | 1998-04-28 | Komatsu Ltd | 脱脂方法およびそれにより得られる脱脂体並びに焼結体 |
JP4063906B2 (ja) * | 1996-05-20 | 2008-03-19 | 三井・デュポンフロロケミカル株式会社 | 洗浄方法 |
JP4237898B2 (ja) | 1999-10-25 | 2009-03-11 | クボタ松下電工外装株式会社 | 無機質板生板の離型方法 |
JP2003286503A (ja) * | 2002-03-28 | 2003-10-10 | Shizuoka Prefecture | 金属粉末射出成形用有機バインダ |
JP2009029683A (ja) | 2007-07-30 | 2009-02-12 | Fujinon Corp | 成形品の離型方法及び装置 |
US8962749B2 (en) | 2008-02-19 | 2015-02-24 | Ngk Insulators, Ltd. | Ceramic green sheet and method for producing the same |
EP2679360B1 (en) | 2011-02-21 | 2019-07-10 | NGK Insulators, Ltd. | Method for manufacturing powder compact, and powder compact |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61155264A (ja) * | 1984-12-26 | 1986-07-14 | 住友重機械工業株式会社 | 液化した流体により成形体中のバインダ−を除去する方法 |
JPH02147202A (ja) * | 1988-04-29 | 1990-06-06 | Yuken Kogyo Kk | 非可塑性材料の成形方法 |
JPH02289693A (ja) * | 1988-12-22 | 1990-11-29 | Daikin Ind Ltd | 共沸溶剤組成物 |
JPH059507A (ja) * | 1991-07-02 | 1993-01-19 | Nkk Corp | 粉体の成形方法 |
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US20160046530A1 (en) | 2016-02-18 |
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JP6294869B2 (ja) | 2018-03-14 |
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