KR870004110A - W-구조의 미분화 등적 헥사페라이트 안료 및 이의 제조방법 - Google Patents
W-구조의 미분화 등적 헥사페라이트 안료 및 이의 제조방법 Download PDFInfo
- Publication number
- KR870004110A KR870004110A KR1019860008844A KR860008844A KR870004110A KR 870004110 A KR870004110 A KR 870004110A KR 1019860008844 A KR1019860008844 A KR 1019860008844A KR 860008844 A KR860008844 A KR 860008844A KR 870004110 A KR870004110 A KR 870004110A
- Authority
- KR
- South Korea
- Prior art keywords
- magnetic
- hexaferrite
- pigment
- acid
- metal
- Prior art date
Links
- 239000000049 pigment Substances 0.000 title claims description 11
- 238000002360 preparation method Methods 0.000 title 1
- 239000002245 particle Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims 7
- 238000000034 method Methods 0.000 claims 5
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims 3
- 229910052751 metal Inorganic materials 0.000 claims 3
- 239000002184 metal Substances 0.000 claims 3
- 239000002253 acid Substances 0.000 claims 2
- 229910001512 metal fluoride Inorganic materials 0.000 claims 2
- 150000004972 metal peroxides Chemical class 0.000 claims 2
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 claims 1
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 claims 1
- 229910004298 SiO 2 Inorganic materials 0.000 claims 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims 1
- 235000011054 acetic acid Nutrition 0.000 claims 1
- 229910052783 alkali metal Inorganic materials 0.000 claims 1
- 150000001340 alkali metals Chemical class 0.000 claims 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims 1
- 150000001342 alkaline earth metals Chemical class 0.000 claims 1
- OYLGJCQECKOTOL-UHFFFAOYSA-L barium fluoride Chemical compound [F-].[F-].[Ba+2] OYLGJCQECKOTOL-UHFFFAOYSA-L 0.000 claims 1
- 229910001632 barium fluoride Inorganic materials 0.000 claims 1
- ZJRXSAYFZMGQFP-UHFFFAOYSA-N barium peroxide Chemical compound [Ba+2].[O-][O-] ZJRXSAYFZMGQFP-UHFFFAOYSA-N 0.000 claims 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims 1
- 239000004327 boric acid Substances 0.000 claims 1
- 229910052810 boron oxide Inorganic materials 0.000 claims 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 claims 1
- 229910052798 chalcogen Inorganic materials 0.000 claims 1
- 150000001787 chalcogens Chemical class 0.000 claims 1
- 239000007795 chemical reaction product Substances 0.000 claims 1
- 235000015165 citric acid Nutrition 0.000 claims 1
- 239000002131 composite material Substances 0.000 claims 1
- 239000002826 coolant Substances 0.000 claims 1
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 claims 1
- 229910052736 halogen Inorganic materials 0.000 claims 1
- 150000002367 halogens Chemical class 0.000 claims 1
- 150000004679 hydroxides Chemical class 0.000 claims 1
- 229910052747 lanthanoid Inorganic materials 0.000 claims 1
- 150000002602 lanthanoids Chemical class 0.000 claims 1
- 239000006249 magnetic particle Substances 0.000 claims 1
- 230000005415 magnetization Effects 0.000 claims 1
- 239000000155 melt Substances 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- 230000008018 melting Effects 0.000 claims 1
- 229910044991 metal oxide Inorganic materials 0.000 claims 1
- 150000004706 metal oxides Chemical group 0.000 claims 1
- 150000002739 metals Chemical class 0.000 claims 1
- 230000007935 neutral effect Effects 0.000 claims 1
- 150000002823 nitrates Chemical class 0.000 claims 1
- 235000006408 oxalic acid Nutrition 0.000 claims 1
- 239000000047 product Substances 0.000 claims 1
- 238000010791 quenching Methods 0.000 claims 1
- 230000000171 quenching effect Effects 0.000 claims 1
- 230000035939 shock Effects 0.000 claims 1
- 239000011975 tartaric acid Substances 0.000 claims 1
- 235000002906 tartaric acid Nutrition 0.000 claims 1
- JSPLKZUTYZBBKA-UHFFFAOYSA-N trioxidane Chemical class OOO JSPLKZUTYZBBKA-UHFFFAOYSA-N 0.000 claims 1
- 238000001000 micrograph Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/28—Compounds of silicon
-
- 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
- C04B35/2608—Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/009—Compounds containing, besides iron, two or more other elements, with the exception of oxygen or hydrogen
-
- 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
- C04B35/2608—Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead
- C04B35/2633—Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead containing barium, strontium or calcium
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/22—Compounds of iron
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/706—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material
- G11B5/70626—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances
- G11B5/70642—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances iron oxides
- G11B5/70678—Ferrites
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/30—Three-dimensional structures
- C01P2002/32—Three-dimensional structures spinel-type (AB2O4)
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/20—Particle morphology extending in two dimensions, e.g. plate-like
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/54—Particles characterised by their aspect ratio, i.e. the ratio of sizes in the longest to the shortest dimension
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/42—Magnetic properties
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Inorganic Chemistry (AREA)
- Hard Magnetic Materials (AREA)
- Compounds Of Iron (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Magnetic Record Carriers (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
도면은 본 발명 안료입자의 현미경 사진이다.
Claims (11)
- 하기의 조성(단, 전기적으로 중성을 유지함)을 갖는 W-구조로서 공간에서 모든 방향으로 거의동일한 치수를 갖는, 미분화 자기 입자인 헥사페라이드 안료.ExMm(Ⅰ)Mn(Ⅱ)Fe18-(m+n)O27-yDy상기식에서, E는 알칼리토금속, 알칼리금속, 란타나이드 또는 납으로 이루어진 군으로부터 선택된 적어도 하나의 원소이며, M(Ⅰ) 및 M(Ⅱ)는 각각 금속 또는 반-금속으로 이루어진 군으로부터 선택된 적어도 하나의 원소이고, D는 할로겐 및 칼코겐으로 이루어진 군으로부터 선택된 적어도 하나의 원소이며, 0.8≤x≤1.2≤1.0≤m≤3.0, 0≤n≤8.0, 0≤y≤5.0 이고, n＞0인 경우 n은 y와 같다.
- 제 1 항에 있어서, 입자의 두계에 대한 직경의 비가 0.6 내지 1.5의 범위인 미분화 자기 헥사페라이트 안료.
- 제 2 항에 있어서, 두께에 대한 직경의 비가 0.8 내지 1.3인 미분화 자기 헥사페라이트 안료.
- 제 1 항에 있어서, 80nTm3/g 이상의 포화자화(Ms)를 갖는 미분화 자기 헥사페라이트 안료.
- 금속산화물, 수산화물, 히드록시옥사이드, 탄산염, 질산염 또는 W-헥사 페라이트 안료의 조성물에 상응하는 이의 혼합물(i)을 산화붕소, 붕산, 금속 보레이트, SiO2또는 이의 혼합물(ii)과 함께 1100 내지 1450℃의 온도에서 용융시킨 다음, 용융물을 600℃이하의 온도로 급냉시킨 다음, 급냉된 용융물을 1000℃ 내지 1400℃에서 1초 내지 2시간동안 다시 조질하여, 제 1 항의 미분화 등적 W-헥사페라이트 안료를 제조하는 방법.
- 제 5 항에 있어서, W-헥사페라이트 안료 조성물을 기준으로 1 내지 10% 원자의 불화금속, 과산화금속 또는 두가지 모두를 (i)-(ii) 혼합물에 가하는 방법.
- 제 6 항에 있어서, 불화금속 및 과산화금속이 불화바륨 및 과산화바륨인 방법.
- 제 5 항에 있어서, 급냉을 냉각제 중에서 수행하는 방법.
- 제 5 항에 있어서, 반응 생성물을 조질한 후 약산으로 처리하는 방법.
- 제 9 항에 있어서, 약산이 아세트산, 시트르산, 옥살산, 타르타산 또는 이의 혼합물인 방법.
- 자기안료입자를 함유하는 자기충격기록용 복합제품에 있어서, 언급된 자기안료입자가 제 1 항에서 청구된 W-구조의 미분화 자기 헥사페라이트 안료임을 특징으로 하는 제품.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3537623.6 | 1985-10-23 | ||
| DE19853537623 DE3537623A1 (de) | 1985-10-23 | 1985-10-23 | Feinteilige isometrische hexaferritpigmente mit w-struktur, verfahren zu ihrer herstellung und deren verwendung |
| DEP3537623.6 | 1985-10-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR870004110A true KR870004110A (ko) | 1987-05-07 |
| KR930005683B1 KR930005683B1 (ko) | 1993-06-24 |
Family
ID=6284214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019860008844A KR930005683B1 (ko) | 1985-10-23 | 1986-10-22 | W-구조의 미분화 등적 헥사페라이트 안료 및 이의 제조방법 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4773938A (ko) |
| EP (1) | EP0220586B1 (ko) |
| JP (1) | JPS62100418A (ko) |
| KR (1) | KR930005683B1 (ko) |
| DE (2) | DE3537623A1 (ko) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3610250A1 (de) * | 1985-06-03 | 1986-12-04 | Sony Corp., Tokio/Tokyo | Verfahren zur herstellung von pulverfoermigem hexagonalem ferrit |
| DE3803940A1 (de) * | 1988-02-10 | 1989-08-24 | Bayer Ag | Neue oxidationsstabile hitzebestaendige eisenoxidschwarzpigmente, verfahren zu ihrer herstellung sowie deren verwendung |
| DE3922747A1 (de) * | 1988-07-25 | 1990-03-08 | Degussa | Verfahren zur herstellung von feinteiligen erdalkali- und bleiferriten fuer datentraeger |
| EP0352422A3 (de) * | 1988-07-25 | 1990-12-27 | Degussa Aktiengesellschaft | Verfahren zur Herstellung von feinteiligen Erdalkali-und Bleiferriten für Datenträger |
| DE3932389A1 (de) * | 1989-09-28 | 1991-04-11 | Basf Ag | Verfahren zur herstellung von feinteiligem pulverfoermigem hexagonalem ferrit und seine verwendung zur herstellung von magnetischen aufzeichnungstraegern |
| JPH0573893A (ja) * | 1991-06-28 | 1993-03-26 | Toshiba Corp | 磁気記録媒体 |
| US5698336A (en) * | 1991-06-28 | 1997-12-16 | Kabushiki Kaisha Toshiba | Magnetic recording medium |
| CN104774590B (zh) * | 2015-04-23 | 2017-05-24 | 京东方科技集团股份有限公司 | 一种复合材料及其制备方法 |
| CN116477966A (zh) * | 2023-04-26 | 2023-07-25 | 深圳市博迪科技开发有限公司 | 一种不掉粉的羟基磷灰石基多孔陶瓷的制备方法 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7006084A (ko) * | 1969-06-02 | 1970-12-04 | ||
| DE2434058C2 (de) * | 1974-07-16 | 1985-12-19 | Basf Ag, 6700 Ludwigshafen | Nadelförmige, vorwiegend aus Eisen bestehende ferromagnetische Metallteilchen und Verfahren zu ihrer Herstellung |
| JPS5660001A (en) * | 1979-10-19 | 1981-05-23 | Toshiba Corp | Magnetic recording medium |
| DE3003352A1 (de) * | 1980-01-31 | 1981-08-06 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von eisenoxidbelegten metallpigmenten |
| JPS5756329A (en) * | 1980-09-22 | 1982-04-03 | Toshiba Corp | Manufacture of magnetic powder for magnetic recording medium |
| DE3274970D1 (en) * | 1981-08-19 | 1987-02-12 | Basf Ag | Process for the preparation of finely divided ferrite powder |
| JPS59106107A (ja) * | 1982-12-10 | 1984-06-19 | Tohoku Metal Ind Ltd | 磁気記録媒体用粒子の製造方法 |
| JPS59151340A (ja) * | 1983-02-16 | 1984-08-29 | Fuji Photo Film Co Ltd | 磁気記録用フエライト磁性粉の製造法 |
| US4493874A (en) * | 1983-03-08 | 1985-01-15 | Tokyo Shibaura Denki Kabushiki Kaisha | Production of a magnetic powder having a high dispersibility |
| JPS59174531A (ja) * | 1983-03-22 | 1984-10-03 | Tohoku Metal Ind Ltd | 酸化物磁性粒子の製造方法 |
| JPS59174530A (ja) * | 1983-03-22 | 1984-10-03 | Tohoku Metal Ind Ltd | Ｗ相型六方晶フエライト粒子の製造方法 |
| JPS6011232A (ja) * | 1983-06-25 | 1985-01-21 | Tohoku Metal Ind Ltd | 酸化物磁性粒子の製造方法 |
| JPS6081028A (ja) * | 1983-10-12 | 1985-05-09 | Tohoku Metal Ind Ltd | Ｗ相型六方晶フエライト粒子の製造方法 |
| DE3422916A1 (de) * | 1984-06-20 | 1986-01-02 | Bayer Ag, 5090 Leverkusen | Im wesentlichen aus eisen bestehende magnetische pigmente, verfahren zu ihrer herstellung sowie deren verwendung |
-
1985
- 1985-10-23 DE DE19853537623 patent/DE3537623A1/de not_active Withdrawn
-
1986
- 1986-10-13 DE DE8686114128T patent/DE3683008D1/de not_active Expired - Lifetime
- 1986-10-13 EP EP86114128A patent/EP0220586B1/de not_active Expired - Lifetime
- 1986-10-14 US US06/918,574 patent/US4773938A/en not_active Expired - Fee Related
- 1986-10-22 JP JP61249774A patent/JPS62100418A/ja active Pending
- 1986-10-22 KR KR1019860008844A patent/KR930005683B1/ko not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE3537623A1 (de) | 1987-04-23 |
| US4773938A (en) | 1988-09-27 |
| JPS62100418A (ja) | 1987-05-09 |
| EP0220586B1 (de) | 1991-12-18 |
| KR930005683B1 (ko) | 1993-06-24 |
| EP0220586A3 (en) | 1988-11-23 |
| DE3683008D1 (de) | 1992-01-30 |
| EP0220586A2 (de) | 1987-05-06 |
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