JPS6251208B2 - - Google Patents
Info
- Publication number
- JPS6251208B2 JPS6251208B2 JP58181290A JP18129083A JPS6251208B2 JP S6251208 B2 JPS6251208 B2 JP S6251208B2 JP 58181290 A JP58181290 A JP 58181290A JP 18129083 A JP18129083 A JP 18129083A JP S6251208 B2 JPS6251208 B2 JP S6251208B2
- Authority
- JP
- Japan
- Prior art keywords
- aqueous solution
- particles
- magnetite
- ferrous salt
- ferrous
- 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
- 239000002245 particle Substances 0.000 claims description 75
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 56
- 239000007864 aqueous solution Substances 0.000 claims description 43
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 35
- 238000006243 chemical reaction Methods 0.000 claims description 28
- 239000000843 powder Substances 0.000 claims description 19
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 229910001854 alkali hydroxide Inorganic materials 0.000 claims description 11
- 239000000084 colloidal system Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 229910021506 iron(II) hydroxide Inorganic materials 0.000 claims description 7
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 claims description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 230000001747 exhibiting effect Effects 0.000 claims description 5
- 239000007789 gas Substances 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 230000001590 oxidative effect Effects 0.000 claims description 2
- 238000007039 two-step reaction Methods 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 41
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 18
- 238000004040 coloring Methods 0.000 description 13
- 239000003973 paint Substances 0.000 description 10
- 239000000049 pigment Substances 0.000 description 9
- 238000010521 absorption reaction Methods 0.000 description 6
- 239000003513 alkali Substances 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 230000005291 magnetic effect Effects 0.000 description 6
- 239000003921 oil Substances 0.000 description 6
- 238000000635 electron micrograph Methods 0.000 description 5
- 239000012266 salt solution Substances 0.000 description 5
- 239000011790 ferrous sulphate Substances 0.000 description 4
- 235000003891 ferrous sulphate Nutrition 0.000 description 4
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 239000010419 fine particle Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000012798 spherical particle Substances 0.000 description 3
- 239000003981 vehicle Substances 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000004438 BET method Methods 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 229910001860 alkaline earth metal hydroxide Inorganic materials 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 239000004359 castor oil Substances 0.000 description 1
- 235000019438 castor oil Nutrition 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001493 electron microscopy Methods 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 229960002089 ferrous chloride Drugs 0.000 description 1
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 1
- 229910052598 goethite Inorganic materials 0.000 description 1
- AEIXRCIKZIZYPM-UHFFFAOYSA-M hydroxy(oxo)iron Chemical compound [O][Fe]O AEIXRCIKZIZYPM-UHFFFAOYSA-M 0.000 description 1
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 235000010215 titanium dioxide Nutrition 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Developing Agents For Electrophotography (AREA)
- Compounds Of Iron (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58181290A JPS6071529A (ja) | 1983-09-28 | 1983-09-28 | 球型を呈したマグネタイト粒子粉末の製造法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58181290A JPS6071529A (ja) | 1983-09-28 | 1983-09-28 | 球型を呈したマグネタイト粒子粉末の製造法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6071529A JPS6071529A (ja) | 1985-04-23 |
| JPS6251208B2 true JPS6251208B2 (de) | 1987-10-29 |
Family
ID=16098094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58181290A Granted JPS6071529A (ja) | 1983-09-28 | 1983-09-28 | 球型を呈したマグネタイト粒子粉末の製造法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6071529A (de) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4774012A (en) * | 1986-01-30 | 1988-09-27 | Ishihara Sangyo Kaisha, Ltd. | Cobalt-containing ferromagnetic iron oxide powder and process for producing the same |
| JPS6366582A (ja) * | 1986-09-09 | 1988-03-25 | Toyo Ink Mfg Co Ltd | 静電荷像現像法 |
| JPH0827551B2 (ja) * | 1986-10-27 | 1996-03-21 | キヤノン株式会社 | 絶縁性磁性カプセルトナ− |
| DE3803940A1 (de) * | 1988-02-10 | 1989-08-24 | Bayer Ag | Neue oxidationsstabile hitzebestaendige eisenoxidschwarzpigmente, verfahren zu ihrer herstellung sowie deren verwendung |
| DE3821342A1 (de) * | 1988-06-24 | 1989-12-28 | Bayer Ag | Neue eisenoxidpigmente, verfahren zu ihrer herstellung sowie deren verwendung |
| JP2759519B2 (ja) * | 1989-09-14 | 1998-05-28 | キヤノン株式会社 | 静電潜像現像用磁性トナー |
| JP2756845B2 (ja) * | 1989-12-28 | 1998-05-25 | 戸田工業株式会社 | 六面体を呈したマグネタイト粒子粉末及びその製造法 |
| JP3438465B2 (ja) * | 1996-03-07 | 2003-08-18 | 戸田工業株式会社 | 磁性酸化鉄粒子、該粒子を主体としてなる磁性トナー用磁性酸化鉄粒子粉末及びその製造法並びに該磁性酸化鉄粒子粉末を用いた磁性トナー |
| JP5741890B2 (ja) * | 2010-03-31 | 2015-07-01 | 戸田工業株式会社 | 黒色磁性酸化鉄粒子粉末及びその製造方法 |
-
1983
- 1983-09-28 JP JP58181290A patent/JPS6071529A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6071529A (ja) | 1985-04-23 |
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