JPS6253444B2 - - Google Patents
Info
- Publication number
- JPS6253444B2 JPS6253444B2 JP58229185A JP22918583A JPS6253444B2 JP S6253444 B2 JPS6253444 B2 JP S6253444B2 JP 58229185 A JP58229185 A JP 58229185A JP 22918583 A JP22918583 A JP 22918583A JP S6253444 B2 JPS6253444 B2 JP S6253444B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetoplumbite
- coercive force
- ferrite
- fine particles
- aqueous solution
- 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.)
- Expired
Links
- 229910000859 α-Fe Inorganic materials 0.000 claims description 40
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 35
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 25
- 238000004519 manufacturing process Methods 0.000 claims description 18
- 239000007864 aqueous solution Substances 0.000 claims description 15
- 239000010419 fine particle Substances 0.000 claims description 14
- 150000001875 compounds Chemical class 0.000 claims description 11
- 239000007800 oxidant agent Substances 0.000 claims description 9
- 229910052712 strontium Inorganic materials 0.000 claims description 9
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 8
- 229910052788 barium Inorganic materials 0.000 claims description 7
- 229910052745 lead Inorganic materials 0.000 claims description 7
- 150000002506 iron compounds Chemical class 0.000 claims description 5
- 229910001566 austenite Inorganic materials 0.000 claims description 2
- 239000002245 particle Substances 0.000 description 24
- 238000000034 method Methods 0.000 description 20
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 18
- 238000006467 substitution reaction Methods 0.000 description 12
- 235000013980 iron oxide Nutrition 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 9
- 238000010335 hydrothermal treatment Methods 0.000 description 7
- 235000011121 sodium hydroxide Nutrition 0.000 description 6
- TVQLLNFANZSCGY-UHFFFAOYSA-N disodium;dioxido(oxo)tin Chemical compound [Na+].[Na+].[O-][Sn]([O-])=O TVQLLNFANZSCGY-UHFFFAOYSA-N 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 229940079864 sodium stannate Drugs 0.000 description 5
- BCKXLBQYZLBQEK-KVVVOXFISA-M Sodium oleate Chemical compound [Na+].CCCCCCCC\C=C/CCCCCCCC([O-])=O BCKXLBQYZLBQEK-KVVVOXFISA-M 0.000 description 4
- IWOUKMZUPDVPGQ-UHFFFAOYSA-N barium nitrate Chemical compound [Ba+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O IWOUKMZUPDVPGQ-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 230000005415 magnetization Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 4
- 229910052718 tin Inorganic materials 0.000 description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 229960002089 ferrous chloride Drugs 0.000 description 2
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 description 2
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 2
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000006247 magnetic powder Substances 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 150000002823 nitrates Chemical class 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 235000010344 sodium nitrate Nutrition 0.000 description 2
- 239000004317 sodium nitrate Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- XTEGARKTQYYJKE-UHFFFAOYSA-M Chlorate Chemical class [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 description 1
- 229910021627 Tin(IV) chloride Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 239000012611 container material Substances 0.000 description 1
- 229960003280 cupric chloride Drugs 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001493 electron microscopy Methods 0.000 description 1
- 238000007716 flux method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 150000002611 lead compounds Chemical class 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 150000002826 nitrites Chemical class 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical class OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- WYPBVHPKMJYUEO-NBTZWHCOSA-M sodium;(9z,12z)-octadeca-9,12-dienoate Chemical compound [Na+].CCCCC\C=C/C\C=C/CCCCCCCC([O-])=O WYPBVHPKMJYUEO-NBTZWHCOSA-M 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 150000003606 tin compounds Chemical class 0.000 description 1
- HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 description 1
Landscapes
- Compounds Of Iron (AREA)
- Hard Magnetic Materials (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58229185A JPS60122726A (ja) | 1983-12-06 | 1983-12-06 | マグネトプランバイト型フエライト微粒子の湿式製造法 |
| GB08418545A GB2144114B (en) | 1983-07-28 | 1984-07-20 | Preparing ferrite of magnetoplumbite structure |
| IT22018/84A IT1196198B (it) | 1983-07-28 | 1984-07-24 | Procedimento ad umido per la preparazione di particelle fini di ferrite di struttura magnetoplumbite |
| US06/634,023 US4551260A (en) | 1983-07-28 | 1984-07-24 | Wet process of preparing fine particles of ferrite of magnetoplumbite structure |
| DE3427632A DE3427632C2 (de) | 1983-07-28 | 1984-07-26 | Naßverfahren zur Herstellung von feinen Ferritteilchen mit Magnetoplumbitstruktur |
| FR8412004A FR2549821B1 (fr) | 1983-07-28 | 1984-07-27 | Procede par voie humide de preparation de particules fines de ferrite ayant une structure de magnetoplumbite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58229185A JPS60122726A (ja) | 1983-12-06 | 1983-12-06 | マグネトプランバイト型フエライト微粒子の湿式製造法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60122726A JPS60122726A (ja) | 1985-07-01 |
| JPS6253444B2 true JPS6253444B2 (enrdf_load_html_response) | 1987-11-10 |
Family
ID=16888131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58229185A Granted JPS60122726A (ja) | 1983-07-28 | 1983-12-06 | マグネトプランバイト型フエライト微粒子の湿式製造法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60122726A (enrdf_load_html_response) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0590488U (ja) * | 1991-06-17 | 1993-12-10 | 富士写真フイルム株式会社 | フイルムパトローネの包装容器 |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61174118A (ja) * | 1985-01-28 | 1986-08-05 | Hitachi Maxell Ltd | 垂直磁気記録用磁性粉およびその製造方法 |
| JPS62132732A (ja) * | 1985-12-06 | 1987-06-16 | Dowa Mining Co Ltd | マグネトプランバイト型フエライト粉末の保磁力の温度依存性を小さくする方法 |
| JP2659940B2 (ja) * | 1986-11-29 | 1997-09-30 | 株式会社 東芝 | 高密度磁気記録用磁性粉およびその製造方法 |
| JP4691633B2 (ja) * | 2000-05-25 | 2011-06-01 | 独立行政法人産業技術総合研究所 | 錫含有粒状磁性酸化物粒子の製造方法 |
| JP2009084125A (ja) * | 2007-10-02 | 2009-04-23 | Tdk Corp | フェライト粉末の製造方法、フェライト粉末及び磁気記録媒体 |
-
1983
- 1983-12-06 JP JP58229185A patent/JPS60122726A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0590488U (ja) * | 1991-06-17 | 1993-12-10 | 富士写真フイルム株式会社 | フイルムパトローネの包装容器 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60122726A (ja) | 1985-07-01 |
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