DE3617687A1 - Verfahren zur herstellung von oxidkeramischen pulvergemischen, geeignet zur herstellung pressfaehiger granulate fuer die fertigung gesinterter keramischer werkstoffe - Google Patents
Verfahren zur herstellung von oxidkeramischen pulvergemischen, geeignet zur herstellung pressfaehiger granulate fuer die fertigung gesinterter keramischer werkstoffeInfo
- Publication number
- DE3617687A1 DE3617687A1 DE19863617687 DE3617687A DE3617687A1 DE 3617687 A1 DE3617687 A1 DE 3617687A1 DE 19863617687 DE19863617687 DE 19863617687 DE 3617687 A DE3617687 A DE 3617687A DE 3617687 A1 DE3617687 A1 DE 3617687A1
- Authority
- DE
- Germany
- Prior art keywords
- mixture
- ceramic
- mixed
- viscosity
- preparing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000008187 granular material Substances 0.000 title claims abstract description 30
- 239000000203 mixture Substances 0.000 title claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 239000000843 powder Substances 0.000 title claims abstract description 12
- 229910052574 oxide ceramic Inorganic materials 0.000 title claims abstract description 7
- 239000011224 oxide ceramic Substances 0.000 title claims abstract description 7
- 229910010293 ceramic material Inorganic materials 0.000 title claims abstract description 4
- 238000000034 method Methods 0.000 claims abstract description 36
- 230000008569 process Effects 0.000 claims abstract description 23
- 239000007787 solid Substances 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000005245 sintering Methods 0.000 claims abstract description 8
- 230000009257 reactivity Effects 0.000 claims abstract description 6
- 238000003825 pressing Methods 0.000 claims abstract description 4
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 4
- 239000000919 ceramic Substances 0.000 claims abstract description 3
- 239000003985 ceramic capacitor Substances 0.000 claims abstract description 3
- 230000001939 inductive effect Effects 0.000 claims abstract description 3
- 238000000227 grinding Methods 0.000 claims description 24
- 239000011230 binding agent Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 8
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 7
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 7
- 239000000314 lubricant Substances 0.000 claims description 6
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 6
- 238000011049 filling Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 229940068984 polyvinyl alcohol Drugs 0.000 claims 4
- 235000019422 polyvinyl alcohol Nutrition 0.000 claims 4
- 238000001694 spray drying Methods 0.000 claims 2
- 238000010276 construction Methods 0.000 claims 1
- 239000004020 conductor Substances 0.000 abstract 2
- 238000003801 milling Methods 0.000 abstract 2
- 238000002156 mixing Methods 0.000 description 19
- 239000002994 raw material Substances 0.000 description 12
- 238000007792 addition Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 150000003863 ammonium salts Chemical class 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 235000012054 meals Nutrition 0.000 description 3
- 238000001238 wet grinding Methods 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229920002125 Sokalan® Polymers 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000004584 polyacrylic acid Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000001994 activation Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000007580 dry-mixing Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
Classifications
-
- 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
- C04B35/634—Polymers
- C04B35/63404—Polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B35/63416—Polyvinylalcohols [PVA]; Polyvinylacetates
-
- 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
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
-
- 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
-
- 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
- C04B35/6325—Organic additives based on organo-metallic compounds
-
- 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
- C04B35/634—Polymers
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Compositions Of Oxide Ceramics (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19863617687 DE3617687A1 (de) | 1986-05-26 | 1986-05-26 | Verfahren zur herstellung von oxidkeramischen pulvergemischen, geeignet zur herstellung pressfaehiger granulate fuer die fertigung gesinterter keramischer werkstoffe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19863617687 DE3617687A1 (de) | 1986-05-26 | 1986-05-26 | Verfahren zur herstellung von oxidkeramischen pulvergemischen, geeignet zur herstellung pressfaehiger granulate fuer die fertigung gesinterter keramischer werkstoffe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3617687A1 true DE3617687A1 (de) | 1987-12-03 |
| DE3617687C2 DE3617687C2 (enrdf_load_stackoverflow) | 1990-02-08 |
Family
ID=6301668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19863617687 Granted DE3617687A1 (de) | 1986-05-26 | 1986-05-26 | Verfahren zur herstellung von oxidkeramischen pulvergemischen, geeignet zur herstellung pressfaehiger granulate fuer die fertigung gesinterter keramischer werkstoffe |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3617687A1 (enrdf_load_stackoverflow) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3729700A1 (de) * | 1987-09-04 | 1989-03-23 | Siemens Ag | Verfahren zur herstellung von pressfaehigem granulat fuer die fertigung von produkten aus gesintertem keramischen werkstoff |
| DE3804067A1 (de) * | 1988-02-10 | 1989-08-17 | Siemens Ag | Verfahren zur herstellung von pressfaehigem granulat, geeignet fuer die fertigung von ferriten |
| DE4018430A1 (de) * | 1989-06-16 | 1991-01-17 | Shinetsu Chemical Co | Kugelfoermige koernchen aus oxiden der seltenen erden und verfahren zu deren herstellung |
| EP0474346A3 (en) * | 1990-09-07 | 1993-01-13 | Toto Ltd. | Method of manufacturing a powder molding |
| EP0611736A1 (de) * | 1993-02-17 | 1994-08-24 | GLATT INGENIEURTECHNIK GmbH | Verfahren zur Herstellung von feinkeramischem Pressgranulat mittels Wirbelschichtgranulationstrocknung |
| US5346660A (en) * | 1990-09-07 | 1994-09-13 | Toto Ltd. | Method of manufacturing powder molding |
| EP0592672A4 (en) * | 1992-04-24 | 1994-09-14 | Tdk Corp | Method of producing anisotropic ferrite magnet, anisotropic ferrite magnet, hexagonal ferrite particles, and method for producing them |
| DE4334683A1 (de) * | 1993-10-12 | 1995-04-13 | Ulbricht Joachim Doz Dr Ing Ha | Feuerfestzusammensetzungen und Verfahren zu ihrer Herstellung |
| US5648039A (en) * | 1992-04-24 | 1997-07-15 | Tdk Corporation | Process for the production of anisotropic ferrite magnets |
| US5945028A (en) * | 1992-04-24 | 1999-08-31 | Tdk Corporation | Hexagonal system ferrite particles and their production process |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2418955A1 (de) * | 1974-04-19 | 1975-11-06 | Siemens Ag | Verwendung eines polyvinylalkoholderivats als plastifizierungsmittel fuer keramische massen |
| DE2655941A1 (de) * | 1976-12-10 | 1978-06-15 | Hutschenreuther | Plastische keramische massen zum spritzgiessen und/oder pressen von formteilen und verfahren zur herstellung der massen |
| DE3335354A1 (de) * | 1983-09-29 | 1985-04-18 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur herstellung dotierter zinkoxid-varistor-keramik |
-
1986
- 1986-05-26 DE DE19863617687 patent/DE3617687A1/de active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2418955A1 (de) * | 1974-04-19 | 1975-11-06 | Siemens Ag | Verwendung eines polyvinylalkoholderivats als plastifizierungsmittel fuer keramische massen |
| DE2655941A1 (de) * | 1976-12-10 | 1978-06-15 | Hutschenreuther | Plastische keramische massen zum spritzgiessen und/oder pressen von formteilen und verfahren zur herstellung der massen |
| DE3335354A1 (de) * | 1983-09-29 | 1985-04-18 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur herstellung dotierter zinkoxid-varistor-keramik |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3729700A1 (de) * | 1987-09-04 | 1989-03-23 | Siemens Ag | Verfahren zur herstellung von pressfaehigem granulat fuer die fertigung von produkten aus gesintertem keramischen werkstoff |
| DE3804067A1 (de) * | 1988-02-10 | 1989-08-17 | Siemens Ag | Verfahren zur herstellung von pressfaehigem granulat, geeignet fuer die fertigung von ferriten |
| DE4018430A1 (de) * | 1989-06-16 | 1991-01-17 | Shinetsu Chemical Co | Kugelfoermige koernchen aus oxiden der seltenen erden und verfahren zu deren herstellung |
| EP0474346A3 (en) * | 1990-09-07 | 1993-01-13 | Toto Ltd. | Method of manufacturing a powder molding |
| US5346660A (en) * | 1990-09-07 | 1994-09-13 | Toto Ltd. | Method of manufacturing powder molding |
| EP0592672A4 (en) * | 1992-04-24 | 1994-09-14 | Tdk Corp | Method of producing anisotropic ferrite magnet, anisotropic ferrite magnet, hexagonal ferrite particles, and method for producing them |
| EP0719745A3 (en) * | 1992-04-24 | 1996-09-25 | Tdk Corp | Manufacturing process of anisotropic magnets, anisotropic ferrite magnet, hexagonal ferrite particles and manufacturing process |
| US5648039A (en) * | 1992-04-24 | 1997-07-15 | Tdk Corporation | Process for the production of anisotropic ferrite magnets |
| US5945028A (en) * | 1992-04-24 | 1999-08-31 | Tdk Corporation | Hexagonal system ferrite particles and their production process |
| US6132635A (en) * | 1992-04-24 | 2000-10-17 | Tdk Corporation | Process for the production of anisotropic ferrite magnets and anisotropic ferrite magnets as well as hexagonal system ferrite particles and their production process |
| EP0611736A1 (de) * | 1993-02-17 | 1994-08-24 | GLATT INGENIEURTECHNIK GmbH | Verfahren zur Herstellung von feinkeramischem Pressgranulat mittels Wirbelschichtgranulationstrocknung |
| DE4334683A1 (de) * | 1993-10-12 | 1995-04-13 | Ulbricht Joachim Doz Dr Ing Ha | Feuerfestzusammensetzungen und Verfahren zu ihrer Herstellung |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3617687C2 (enrdf_load_stackoverflow) | 1990-02-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8363 | Opposition against the patent | ||
| 8331 | Complete revocation |