JP3429312B2 - リチウムフェライトキャリヤ - Google Patents
リチウムフェライトキャリヤInfo
- Publication number
- JP3429312B2 JP3429312B2 JP52331594A JP52331594A JP3429312B2 JP 3429312 B2 JP3429312 B2 JP 3429312B2 JP 52331594 A JP52331594 A JP 52331594A JP 52331594 A JP52331594 A JP 52331594A JP 3429312 B2 JP3429312 B2 JP 3429312B2
- Authority
- JP
- Japan
- Prior art keywords
- carrier
- powder
- ferrite
- ferrite powder
- lithium
- 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 - Fee Related
Links
- JXGGISJJMPYXGJ-UHFFFAOYSA-N lithium;oxido(oxo)iron Chemical compound [Li+].[O-][Fe]=O JXGGISJJMPYXGJ-UHFFFAOYSA-N 0.000 title claims description 26
- 239000000843 powder Substances 0.000 claims description 34
- 239000000203 mixture Substances 0.000 claims description 30
- 229910000859 α-Fe Inorganic materials 0.000 claims description 28
- 238000011161 development Methods 0.000 claims description 10
- 229910018068 Li 2 O Inorganic materials 0.000 claims description 9
- 229910052596 spinel Inorganic materials 0.000 claims description 7
- 239000011029 spinel Substances 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 239000013078 crystal Substances 0.000 claims description 4
- 239000000969 carrier Substances 0.000 description 20
- 239000011162 core material Substances 0.000 description 14
- 239000000463 material Substances 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 7
- 239000011324 bead Substances 0.000 description 6
- 238000005245 sintering Methods 0.000 description 6
- 239000007921 spray Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 239000010949 copper Substances 0.000 description 5
- 238000010304 firing Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 239000002002 slurry Substances 0.000 description 5
- 239000011701 zinc Substances 0.000 description 5
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 238000003801 milling Methods 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- 229920002451 polyvinyl alcohol Polymers 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- FUJCRWPEOMXPAD-UHFFFAOYSA-N lithium oxide Chemical compound [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 description 3
- 229910001947 lithium oxide Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000001000 micrograph Methods 0.000 description 3
- 238000001878 scanning electron micrograph Methods 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 229910003962 NiZn Inorganic materials 0.000 description 2
- 229910001308 Zinc ferrite Inorganic materials 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 239000012876 carrier material Substances 0.000 description 2
- TVZPLCNGKSPOJA-UHFFFAOYSA-N copper zinc Chemical compound [Cu].[Zn] TVZPLCNGKSPOJA-UHFFFAOYSA-N 0.000 description 2
- 239000002920 hazardous waste Substances 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 description 2
- 229910052808 lithium carbonate Inorganic materials 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 238000005453 pelletization Methods 0.000 description 2
- 238000010587 phase diagram Methods 0.000 description 2
- 108091008695 photoreceptors Proteins 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 125000003821 2-(trimethylsilyl)ethoxymethyl group Chemical group [H]C([H])([H])[Si](C([H])([H])[H])(C([H])([H])[H])C([H])([H])C(OC([H])([H])[*])([H])[H] 0.000 description 1
- 229910002535 CuZn Inorganic materials 0.000 description 1
- 229910001053 Nickel-zinc ferrite Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229920006397 acrylic thermoplastic Polymers 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229920002313 fluoropolymer Polymers 0.000 description 1
- 239000004811 fluoropolymer Substances 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- -1 lithium ferrite compound Chemical class 0.000 description 1
- 239000006249 magnetic particle Substances 0.000 description 1
- 238000007885 magnetic separation Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004626 scanning electron microscopy Methods 0.000 description 1
- 229920005573 silicon-containing polymer Polymers 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- ISXSCDLOGDJUNJ-UHFFFAOYSA-N tert-butyl prop-2-enoate Chemical compound CC(C)(C)OC(=O)C=C ISXSCDLOGDJUNJ-UHFFFAOYSA-N 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/10—Developers with toner particles characterised by carrier particles
- G03G9/107—Developers with toner particles characterised by carrier particles having magnetic components
- G03G9/1075—Structural characteristics of the carrier particles, e.g. shape or crystallographic structure
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/10—Developers with toner particles characterised by carrier particles
- G03G9/107—Developers with toner particles characterised by carrier particles having magnetic components
- G03G9/108—Ferrite carrier, e.g. magnetite
- G03G9/1085—Ferrite carrier, e.g. magnetite with non-ferrous metal oxide, e.g. MgO-Fe2O3
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Developing Agents For Electrophotography (AREA)
- Soft Magnetic Materials (AREA)
- Compounds Of Iron (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US4537993A | 1993-04-09 | 1993-04-09 | |
| US08/045,379 | 1993-04-09 | ||
| PCT/US1994/003843 WO1994024613A1 (en) | 1993-04-09 | 1994-04-07 | Lithium ferrite carrier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08511108A JPH08511108A (ja) | 1996-11-19 |
| JP3429312B2 true JP3429312B2 (ja) | 2003-07-22 |
Family
ID=21937552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP52331594A Expired - Fee Related JP3429312B2 (ja) | 1993-04-09 | 1994-04-07 | リチウムフェライトキャリヤ |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0693191B1 (de) |
| JP (1) | JP3429312B2 (de) |
| KR (1) | KR960702123A (de) |
| CA (1) | CA2160138A1 (de) |
| DE (1) | DE69419742T2 (de) |
| TW (1) | TW349187B (de) |
| WO (1) | WO1994024613A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5798198A (en) * | 1993-04-09 | 1998-08-25 | Powdertech Corporation | Non-stoichiometric lithium ferrite carrier |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5948774A (ja) * | 1982-09-13 | 1984-03-21 | Nippon Teppun Kk | 電子写真現像用キヤリヤ |
| JPS59127054A (ja) * | 1983-01-11 | 1984-07-21 | Hitachi Metals Ltd | 電子写真用現像剤 |
| JPH0648397B2 (ja) * | 1985-03-01 | 1994-06-22 | 三井金属鉱業株式会社 | 電子写真現像用キヤリヤ |
| US5104761A (en) * | 1990-09-14 | 1992-04-14 | Eastman Kodak Company | Interdispersed three-phase ferrite composite and electrographic magnetic carrier particles therefrom |
-
1994
- 1994-04-07 EP EP94913384A patent/EP0693191B1/de not_active Expired - Lifetime
- 1994-04-07 CA CA002160138A patent/CA2160138A1/en not_active Abandoned
- 1994-04-07 KR KR1019950704403A patent/KR960702123A/ko not_active Application Discontinuation
- 1994-04-07 TW TW083103010A patent/TW349187B/zh active
- 1994-04-07 JP JP52331594A patent/JP3429312B2/ja not_active Expired - Fee Related
- 1994-04-07 WO PCT/US1994/003843 patent/WO1994024613A1/en active IP Right Grant
- 1994-04-07 DE DE69419742T patent/DE69419742T2/de not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE69419742T2 (de) | 1999-12-02 |
| EP0693191A1 (de) | 1996-01-24 |
| KR960702123A (ko) | 1996-03-28 |
| EP0693191B1 (de) | 1999-07-28 |
| CA2160138A1 (en) | 1994-10-27 |
| JPH08511108A (ja) | 1996-11-19 |
| DE69419742D1 (de) | 1999-09-02 |
| WO1994024613A1 (en) | 1994-10-27 |
| TW349187B (en) | 1999-01-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
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| R250 | Receipt of annual fees |
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| FPAY | Renewal fee payment (event date is renewal date of database) |
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| LAPS | Cancellation because of no payment of annual fees |