JPS56142801A - Treatment of metallic powder - Google Patents
Treatment of metallic powderInfo
- Publication number
- JPS56142801A JPS56142801A JP3509880A JP3509880A JPS56142801A JP S56142801 A JPS56142801 A JP S56142801A JP 3509880 A JP3509880 A JP 3509880A JP 3509880 A JP3509880 A JP 3509880A JP S56142801 A JPS56142801 A JP S56142801A
- Authority
- JP
- Japan
- Prior art keywords
- powder
- time
- metallic powder
- metallic
- alkylphenol
- 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.)
- Pending
Links
- 239000000843 powder Substances 0.000 title abstract 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 abstract 3
- 239000003963 antioxidant agent Substances 0.000 abstract 2
- 230000003078 antioxidant effect Effects 0.000 abstract 2
- 230000006866 deterioration Effects 0.000 abstract 2
- 229910052742 iron Inorganic materials 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- 239000003960 organic solvent Substances 0.000 abstract 2
- 239000003973 paint Substances 0.000 abstract 2
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 abstract 1
- 230000005294 ferromagnetic effect Effects 0.000 abstract 1
- 230000005291 magnetic effect Effects 0.000 abstract 1
- 230000005415 magnetization Effects 0.000 abstract 1
- 238000004321 preservation Methods 0.000 abstract 1
Landscapes
- Paints Or Removers (AREA)
- Powder Metallurgy (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Magnetic Record Carriers (AREA)
- Hard Magnetic Materials (AREA)
Abstract
PURPOSE:To obtain powder of metallic iron or the like which undergoes little deterioration of performance during preservation, is excellent in dispersibility at the time of preparing a paint therefrom and is useful for a recording element and the like by incorporating an alkylphenol-based antioxidant in an organic solvent into which the metallic powder is immersed. CONSTITUTION:A ferromagnetic metallic powder consisting mainly of iron is immersed in the organic solvent such as toluene containing about 0.2-5wt% (based on the metallic powder) of the alkylphenol-based antioxidant such as di-tert-butyl- p-cresol, and the mixture is stirred. After storing the mixture for a predetermined period of time, the powder is filtered out and dried in an air flow. The metallic powder thus treated undergoes little deterioration in saturation magnetization when it is preserved for a long period of time. In addition, the powder exhibits excellent dispersibility at the time of preparing a magnetic paint therefrom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3509880A JPS56142801A (en) | 1980-03-18 | 1980-03-18 | Treatment of metallic powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3509880A JPS56142801A (en) | 1980-03-18 | 1980-03-18 | Treatment of metallic powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS56142801A true JPS56142801A (en) | 1981-11-07 |
Family
ID=12432457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3509880A Pending JPS56142801A (en) | 1980-03-18 | 1980-03-18 | Treatment of metallic powder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56142801A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6156201A (en) * | 1984-08-24 | 1986-03-20 | Ube Ind Ltd | Surface treatment of magnetic metallic powder |
| JPS61154009A (en) * | 1984-12-27 | 1986-07-12 | Mitsui Toatsu Chem Inc | Ferromagnetic metal powder coated with alkylphenol and manufacture thereof |
-
1980
- 1980-03-18 JP JP3509880A patent/JPS56142801A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6156201A (en) * | 1984-08-24 | 1986-03-20 | Ube Ind Ltd | Surface treatment of magnetic metallic powder |
| JPH0148323B2 (en) * | 1984-08-24 | 1989-10-18 | Ube Industries | |
| JPS61154009A (en) * | 1984-12-27 | 1986-07-12 | Mitsui Toatsu Chem Inc | Ferromagnetic metal powder coated with alkylphenol and manufacture thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Effective date: 20050214 Free format text: JAPANESE INTERMEDIATE CODE: A621 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20070828 |
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| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20080212 |
|
| A601 | Written request for extension of time |
Effective date: 20080512 Free format text: JAPANESE INTERMEDIATE CODE: A601 |
|
| A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20080623 |
|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20080612 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20090526 |
|
| A313 | Final decision of rejection without a dissenting response from the applicant |
Effective date: 20090914 Free format text: JAPANESE INTERMEDIATE CODE: A313 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20091020 |