JPH0120491B2 - - Google Patents
Info
- Publication number
- JPH0120491B2 JPH0120491B2 JP56005235A JP523581A JPH0120491B2 JP H0120491 B2 JPH0120491 B2 JP H0120491B2 JP 56005235 A JP56005235 A JP 56005235A JP 523581 A JP523581 A JP 523581A JP H0120491 B2 JPH0120491 B2 JP H0120491B2
- Authority
- JP
- Japan
- Prior art keywords
- particles
- magnetic
- magnetic particles
- silica
- colloidal
- 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
- 239000006249 magnetic particle Substances 0.000 claims description 62
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 44
- 239000002245 particle Substances 0.000 claims description 39
- 239000006185 dispersion Substances 0.000 claims description 22
- 239000002002 slurry Substances 0.000 claims description 20
- 239000008119 colloidal silica Substances 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 4
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 25
- 235000013980 iron oxide Nutrition 0.000 description 13
- 239000000203 mixture Substances 0.000 description 13
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000000576 coating method Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000002776 aggregation Effects 0.000 description 6
- HJOVHMDZYOCNQW-UHFFFAOYSA-N isophorone Chemical compound CC1=CC(=O)CC(C)(C)C1 HJOVHMDZYOCNQW-UHFFFAOYSA-N 0.000 description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 5
- 238000005054 agglomeration Methods 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 5
- 239000000084 colloidal system Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000000377 silicon dioxide Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000003729 cation exchange resin Substances 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- 238000010908 decantation Methods 0.000 description 2
- 239000002612 dispersion medium Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000002427 irreversible effect Effects 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- 239000002609 medium Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 238000000527 sonication Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 238000002525 ultrasonication Methods 0.000 description 2
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 1
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 1
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 1
- 239000005642 Oleic acid Substances 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 239000003125 aqueous solvent Substances 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- 229920001429 chelating resin Polymers 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000001493 electron microscopy Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- -1 i.e. Substances 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/44—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of magnetic liquids, e.g. ferrofluids
- H01F1/445—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of magnetic liquids, e.g. ferrofluids the magnetic component being a compound, e.g. Fe3O4
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S516/00—Colloid systems and wetting agents; subcombinations thereof; processes of
- Y10S516/924—Significant dispersive or manipulative operation or step in making or stabilizing colloid system
- Y10S516/928—Mixing combined with non-mixing operation or step, successively or simultaneously, e.g. heating, cooling, ph change, ageing, milling
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Silicon Compounds (AREA)
- Hard Magnetic Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/128,763 US4280918A (en) | 1980-03-10 | 1980-03-10 | Magnetic particle dispersions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56130838A JPS56130838A (en) | 1981-10-14 |
| JPH0120491B2 true JPH0120491B2 (cg-RX-API-DMAC7.html) | 1989-04-17 |
Family
ID=22436859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP523581A Granted JPS56130838A (en) | 1980-03-10 | 1981-01-19 | Method of producing magnetic dispersing system |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4280918A (cg-RX-API-DMAC7.html) |
| EP (1) | EP0035633B1 (cg-RX-API-DMAC7.html) |
| JP (1) | JPS56130838A (cg-RX-API-DMAC7.html) |
| CA (1) | CA1137296A (cg-RX-API-DMAC7.html) |
| DE (1) | DE3165604D1 (cg-RX-API-DMAC7.html) |
Families Citing this family (54)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4333961A (en) * | 1981-04-30 | 1982-06-08 | International Business Machines Corporation | Preparation of thin, aligned magnetic coatings |
| JPS57205466A (en) * | 1981-06-12 | 1982-12-16 | Matsushita Electric Ind Co Ltd | Magnetic ink for recording |
| US4385975A (en) * | 1981-12-30 | 1983-05-31 | International Business Machines Corp. | Method of forming wide, deep dielectric filled isolation trenches in the surface of a silicon semiconductor substrate |
| DE3363631D1 (en) * | 1982-02-02 | 1986-07-03 | Memorex Corp | Lubrication of magnetic recording media |
| DE3228659A1 (de) * | 1982-07-31 | 1984-02-02 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von cobalt-epitaxial-beschichteten eisenoxiden fuer die magnetaufzeichnung |
| US4451495A (en) * | 1982-08-30 | 1984-05-29 | International Business Machines Corporation | Increasing magnetic particle concentration in magnetic coatings |
| US4438156A (en) * | 1982-09-30 | 1984-03-20 | International Business Machines Corporation | Mono-particle magnetic dispersion in organic polymers for magnetic recording |
| JP2545054B2 (ja) * | 1983-03-20 | 1996-10-16 | 日立マクセル株式会社 | 磁気記録媒体の製造方法 |
| JPS6018902A (ja) * | 1983-07-13 | 1985-01-31 | Toyota Motor Corp | 磁性流体の製造方法 |
| US4542071A (en) * | 1983-07-14 | 1985-09-17 | International Business Machines Corporation | Lubricated magnetic recording disk |
| JPS6087429A (ja) * | 1983-10-19 | 1985-05-17 | Victor Co Of Japan Ltd | 磁気記録媒体及びその製造方法 |
| JPS61155223A (ja) * | 1984-12-27 | 1986-07-14 | Toda Kogyo Corp | 球型を呈したマグネタイト粒子粉末及びその製造法 |
| DE3575035D1 (de) * | 1985-04-26 | 1990-02-01 | Ibm Deutschland | Magnetaufzeichnungstraeger und verfahren zu seiner herstellung. |
| JPH0755828B2 (ja) * | 1987-08-28 | 1995-06-14 | 戸田工業株式会社 | 磁性粒子粉末及びその製造法 |
| JPH0755829B2 (ja) * | 1987-10-31 | 1995-06-14 | 戸田工業株式会社 | 磁性粒子粉末及びその製造法 |
| JPH0755830B2 (ja) * | 1987-12-29 | 1995-06-14 | 戸田工業株式会社 | 磁性粒子粉末及びその製造法 |
| EP0343934B1 (en) * | 1988-05-24 | 1995-01-25 | Anagen (U.K.) Limited | Magnetically attractable particles and method of preparation |
| JPH0755831B2 (ja) * | 1988-05-25 | 1995-06-14 | 戸田工業株式会社 | 磁性粒子粉末及びその製造法 |
| DE4012240A1 (de) * | 1990-04-14 | 1991-10-17 | Basf Ag | Messverfahren und messanordnung zur bestimmung des richtfaktors bei flexiblen magnetogrammtraegern |
| US5217804A (en) * | 1990-11-06 | 1993-06-08 | Eastman Kodak Company | Magnetic particles |
| US5965194A (en) * | 1992-01-10 | 1999-10-12 | Imation Corp. | Magnetic recording media prepared from magnetic particles having an extremely thin, continuous, amorphous, aluminum hydrous oxide coating |
| US5354488A (en) * | 1992-10-07 | 1994-10-11 | Trw Inc. | Fluid responsive to a magnetic field |
| KR100463475B1 (ko) | 1995-06-08 | 2005-06-22 | 로셰 디아그노스틱스 게엠베하 | 자기성피그먼트 |
| DE19520398B4 (de) * | 1995-06-08 | 2009-04-16 | Roche Diagnostics Gmbh | Magnetisches Pigment |
| US5676877A (en) * | 1996-03-26 | 1997-10-14 | Ferrotec Corporation | Process for producing a magnetic fluid and composition therefor |
| US5714248A (en) * | 1996-08-12 | 1998-02-03 | Xerox Corporation | Electrostatic imaging member for contact charging and imaging processes thereof |
| US6933331B2 (en) * | 1998-05-22 | 2005-08-23 | Nanoproducts Corporation | Nanotechnology for drug delivery, contrast agents and biomedical implants |
| DE19638591A1 (de) * | 1996-09-20 | 1998-04-02 | Merck Patent Gmbh | Kugelförmige magnetische Partikel |
| BR9806922A (pt) | 1997-01-21 | 2000-04-18 | Grace W R & Co | Sìlica absorvente sobre substrato magnético |
| DE19743518A1 (de) * | 1997-10-01 | 1999-04-15 | Roche Diagnostics Gmbh | Automatisierbare universell anwendbare Probenvorbereitungsmethode |
| JP2003514383A (ja) * | 1999-11-17 | 2003-04-15 | ロシュ ダイアグノスティクス ゲゼルシャフト ミット ベシュレンクテル ハフツング | 磁性ガラス粒子、それらの製造方法、及びそれらの使用 |
| US6855426B2 (en) | 2001-08-08 | 2005-02-15 | Nanoproducts Corporation | Methods for producing composite nanoparticles |
| US6767584B2 (en) * | 2002-05-13 | 2004-07-27 | International Business Machines Corporation | Disk substrate with monosized microbumps |
| US7708974B2 (en) | 2002-12-10 | 2010-05-04 | Ppg Industries Ohio, Inc. | Tungsten comprising nanomaterials and related nanotechnology |
| DE10331439B3 (de) | 2003-07-10 | 2005-02-03 | Micromod Partikeltechnologie Gmbh | Magnetische Nanopartikel mit verbesserten Magneteigenschaften |
| US20050014851A1 (en) * | 2003-07-18 | 2005-01-20 | Eastman Kodak Company | Colloidal core-shell assemblies and methods of preparation |
| DE10355409A1 (de) * | 2003-11-25 | 2005-06-30 | Magnamedics Gmbh | Sphärische, magnetische Silicagel-Träger mit vergrößerter Oberfläche für die Aufreinigung von Nukleinsäuren |
| US8317002B2 (en) * | 2006-12-08 | 2012-11-27 | The Regents Of The University Of California | System of smart colloidal dampers with controllable damping curves using magnetic field and method of using the same |
| JP5607368B2 (ja) | 2006-12-18 | 2014-10-15 | コロロッビア イタリア ソシエタ ペル アチオニ | 温熱療法において適用される磁性ナノ粒子、その調製、および、薬理学的用途を有する構造体における使用 |
| US8323899B2 (en) * | 2007-02-01 | 2012-12-04 | Siemens Healthcare Diagnostics Inc. | Silica magnetic particles with a high nucleic acid binding capacity |
| US8808568B2 (en) * | 2008-10-08 | 2014-08-19 | University Of Rochester | Magnetorheological materials, method for making, and applications thereof |
| JP5706344B2 (ja) | 2009-03-05 | 2015-04-22 | ダウ グローバル テクノロジーズ エルエルシー | アルカリセルロース及びセルロース誘導体の改良された製造方法 |
| JP2013503352A (ja) * | 2009-08-31 | 2013-01-31 | エムバイオ ダイアグノスティクス，インコーポレイティド | 統合されたサンプル調製及び検体検出 |
| DE102011005489A1 (de) | 2011-03-14 | 2012-09-20 | Evonik Degussa Gmbh | Umhüllte Eisenoxidpartikel |
| US9050605B2 (en) | 2011-11-17 | 2015-06-09 | Lamar University, A Component Of The Texas State University System, An Agency Of The State Of Texas | Graphene nanocomposites |
| US10945965B2 (en) | 2011-12-16 | 2021-03-16 | Nanobiotix | Nanoparticles comprising metallic and hafnium oxide materials, preparation and uses thereof |
| KR102245421B1 (ko) * | 2013-05-30 | 2021-04-29 | 큐라디즘 | 약학적 조성물, 이의 제조방법 및 이의 용도 |
| HUE056175T2 (hu) | 2014-11-25 | 2022-01-28 | Curadigm Sas | Gyógyászati készítmények, elõállításuk és alkalmazásaik |
| MX388073B (es) | 2014-11-25 | 2025-03-19 | Nanobiotix | Composición farmacéutica, preparación y usos de la misma. |
| DK3229776T3 (da) | 2014-11-25 | 2023-07-31 | Curadigm Sas | Farmaceutisk sammensætning, der kombinerer mindst to særskilte nanopartikler og en farmaceutisk forbindelse, fremstilling og anvendelser deraf |
| FR3031063B1 (fr) | 2014-12-30 | 2017-02-10 | Biomerieux Sa | Complexe multicouches, procede de fabrication et utilisation du complexe |
| MA43100A (fr) | 2015-05-28 | 2018-09-05 | Nanobiotix | Nanoparticules à utiliser en tant que vaccin thérapeutique |
| CN108530644A (zh) * | 2018-04-18 | 2018-09-14 | 河南科技学院 | 一种多功能配位聚合物纳米材料及其制备方法 |
| NL2022821B1 (en) | 2019-03-27 | 2020-10-02 | Urban Mining Corp Bv | Stock solution |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2733160A (en) * | 1956-01-31 | Solids coated with estersil | ||
| US2085129A (en) * | 1933-07-15 | 1937-06-29 | Ig Farbenindustrie Ag | Production of colloidal metal hydroxides |
| US2731326A (en) * | 1951-08-31 | 1956-01-17 | Du Pont | Process of preparing dense amorphous silica aggregates and product |
| US2885366A (en) * | 1956-06-28 | 1959-05-05 | Du Pont | Product comprising a skin of dense, hydrated amorphous silica bound upon a core of another solid material and process of making same |
| US3042616A (en) * | 1958-08-26 | 1962-07-03 | Ibm | Process of preparing magnetic ink |
| FR1294982A (fr) * | 1960-05-12 | 1962-06-01 | Grace W R & Co | Procédé pour produire des hydrosols d'oxydes métalliques enrobés de silice en traitant un hydrosol non enrobé par un silicate organique qui est ensuite hydrolysé |
| GB974627A (en) * | 1960-09-13 | 1964-11-11 | California Research Corp | Dispersions of ferromagnetic metals |
| US3228882A (en) * | 1963-01-04 | 1966-01-11 | Chevron Res | Dispersions of ferromagnetic cobalt particles |
| US3558371A (en) * | 1968-05-20 | 1971-01-26 | Gen Electric | Method of making permanent magnet material powders |
| NL6900169A (cg-RX-API-DMAC7.html) * | 1969-01-04 | 1970-07-07 |
-
1980
- 1980-03-10 US US06/128,763 patent/US4280918A/en not_active Expired - Lifetime
-
1981
- 1981-01-19 JP JP523581A patent/JPS56130838A/ja active Granted
- 1981-01-23 EP EP81100494A patent/EP0035633B1/en not_active Expired
- 1981-01-23 DE DE8181100494T patent/DE3165604D1/de not_active Expired
- 1981-02-10 CA CA000370485A patent/CA1137296A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56130838A (en) | 1981-10-14 |
| EP0035633B1 (en) | 1984-08-22 |
| EP0035633A1 (en) | 1981-09-16 |
| DE3165604D1 (en) | 1984-09-27 |
| CA1137296A (en) | 1982-12-14 |
| US4280918A (en) | 1981-07-28 |
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