DE3885069D1 - Oxidationswiderstandsfähige Zusammenstellungen für die Anwendung mit Magneten aus seltenen Erden. - Google Patents
Oxidationswiderstandsfähige Zusammenstellungen für die Anwendung mit Magneten aus seltenen Erden.Info
- Publication number
- DE3885069D1 DE3885069D1 DE88120758T DE3885069T DE3885069D1 DE 3885069 D1 DE3885069 D1 DE 3885069D1 DE 88120758 T DE88120758 T DE 88120758T DE 3885069 T DE3885069 T DE 3885069T DE 3885069 D1 DE3885069 D1 DE 3885069D1
- Authority
- DE
- Germany
- Prior art keywords
- parts
- weight
- component composition
- rare earth
- amount
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
- H01F41/026—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets protecting methods against environmental influences, e.g. oxygen, by surface treatment
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/4007—Curing agents not provided for by the groups C08G59/42 - C08G59/66
- C08G59/4085—Curing agents not provided for by the groups C08G59/42 - C08G59/66 silicon containing compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
-
- 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
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/047—Alloys characterised by their composition
- H01F1/053—Alloys characterised by their composition containing rare earth metals
- H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
- H01F1/0551—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 in the form of particles, e.g. rapid quenched powders or ribbon flakes
- H01F1/0552—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 in the form of particles, e.g. rapid quenched powders or ribbon flakes with a protective layer
-
- 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
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/047—Alloys characterised by their composition
- H01F1/053—Alloys characterised by their composition containing rare earth metals
- H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
- H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
- H01F1/0571—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes
- H01F1/0572—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes with a protective layer
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Inorganic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Manufacturing & Machinery (AREA)
- Environmental & Geological Engineering (AREA)
- Hard Magnetic Materials (AREA)
- Epoxy Resins (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/132,890 US4876305A (en) | 1987-12-14 | 1987-12-14 | Oxidation resistant compositions for use with rare earth magnets |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3885069D1 true DE3885069D1 (de) | 1993-11-25 |
DE3885069T2 DE3885069T2 (de) | 1994-03-10 |
Family
ID=22456050
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE88120758T Expired - Fee Related DE3885069T2 (de) | 1987-12-14 | 1988-12-13 | Oxidationswiderstandsfähige Zusammenstellungen für die Anwendung mit Magneten aus seltenen Erden. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4876305A (de) |
EP (1) | EP0320861B1 (de) |
JP (1) | JPH01301709A (de) |
CN (1) | CN1023230C (de) |
AT (1) | ATE96244T1 (de) |
DE (1) | DE3885069T2 (de) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4988755A (en) * | 1987-12-14 | 1991-01-29 | The B. F. Goodrich Company | Passivated rare earth magnet or magnetic material compositions |
JPH0616448B2 (ja) * | 1988-11-24 | 1994-03-02 | 広栄化学工業株式会社 | 樹脂結合型永久磁石及びそのバインダー |
US5019607A (en) * | 1989-11-01 | 1991-05-28 | Eastman Kodak Company | Modified epoxy resins and composites |
JP2778011B2 (ja) * | 1990-07-20 | 1998-07-23 | 株式会社 三協精機製作所 | 希土類ボンド磁石 |
US5272008A (en) * | 1992-03-16 | 1993-12-21 | General Motors Corporation | Encapsulated oxidation-resistant iron-neodymium-boron permanent magnet |
US5271891A (en) * | 1992-07-20 | 1993-12-21 | General Motors Corporation | Method of sintering using polyphenylene oxide coated powdered metal |
JP3419069B2 (ja) * | 1993-03-29 | 2003-06-23 | シーケイ・ウイトコ・コーポレーシヨン | シリル化エポキシ樹脂の水分散液 |
AU678261B2 (en) * | 1993-06-03 | 1997-05-22 | Essex Specialty Products Inc. | Primer composition for improving the bonding of a urethane adhesive to non-porous substrates |
US5700398A (en) * | 1994-12-14 | 1997-12-23 | International Business Machines Corporation | Composition containing a polymer and conductive filler and use thereof |
US5567752A (en) * | 1995-02-27 | 1996-10-22 | General Electric Company | Silicon- and nitrogen- containing adhesion promotors and compositions containing them |
US6057040A (en) * | 1998-01-22 | 2000-05-02 | Vision--Ease Lens, Inc. | Aminosilane coating composition and process for producing coated articles |
DE19832299B4 (de) * | 1998-07-17 | 2004-07-29 | Vacuumschmelze Gmbh | Verfahren zur Verbesserung des Korrosionsschutzes von Seltenerddauermagneten |
DE19849781A1 (de) * | 1998-10-28 | 2000-05-11 | Vacuumschmelze Gmbh | Spritzgegossener weichmagnetischer Pulververbundwerkstoff und Verfahren zu seiner Herstellung |
JP4678118B2 (ja) * | 2000-07-17 | 2011-04-27 | 日立金属株式会社 | 被覆r−t−b系磁石及びその製造方法 |
US6737451B1 (en) | 2001-09-13 | 2004-05-18 | Arnold Engineering Co., Ltd. | Thermally stable, high temperature, samarium cobalt molding compound |
US20040249023A1 (en) * | 2003-01-17 | 2004-12-09 | Stoffer James O. | Compounds for corrosion resistant primer coatings and protection of metal substrates |
JP5648882B2 (ja) | 2003-01-17 | 2015-01-07 | キュレーターズ オブ ザ ユニバーシティー オブ ミズーリ | 炭素顔料を含有する腐食抵抗性コーティング |
US7601425B2 (en) | 2003-03-07 | 2009-10-13 | The Curators Of The University Of Missouri | Corrosion resistant coatings containing carbon |
US7390579B2 (en) * | 2003-11-25 | 2008-06-24 | Magnequench, Inc. | Coating formulation and application of organic passivation layer onto iron-based rare earth powders |
JP4747562B2 (ja) * | 2004-06-25 | 2011-08-17 | 株式会社日立製作所 | 希土類磁石及びその製造方法、並びに磁石モータ |
JP5421513B2 (ja) * | 2006-02-24 | 2014-02-19 | 出光興産株式会社 | 硬化膜、樹脂積層体及びコーティング組成物 |
US20080206454A1 (en) * | 2007-02-27 | 2008-08-28 | Insight Equity A.P.X., L.P. (Dba Vision-Ease Lens) | Composition Of Primer Solution For Use With An Optical Article And Method Of Priming An Optical Article |
BR112016018539A2 (pt) | 2014-02-12 | 2018-05-02 | Vision Ease, Lp | revestimento de fácil limpeza. |
WO2018071278A1 (en) | 2016-10-13 | 2018-04-19 | 3M Innovative Properties Company | Removable film-forming gel compositions featuring adhesion promoters |
US20200391287A1 (en) * | 2018-02-28 | 2020-12-17 | Hitachi Chemical Company, Ltd. | Compound powder |
KR102634865B1 (ko) * | 2019-08-02 | 2024-02-06 | 주식회사 엘지화학 | 자석 분말의 제조 방법 및 이에 의해 제조된 소결 자석 |
WO2022220295A1 (ja) * | 2021-04-16 | 2022-10-20 | 昭和電工マテリアルズ株式会社 | 磁性粉末、コンパウンド、成形体、ボンド磁石、及び圧粉磁心 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3247280A (en) * | 1961-12-06 | 1966-04-19 | Union Carbide Corp | Resinous reaction product of an aminoorganosilicon compound and a polyepoxide |
US3220878A (en) * | 1962-10-08 | 1965-11-30 | Union Carbide Corp | Wear- and stain-resistant coated articles |
FR2115607A5 (de) * | 1970-11-26 | 1972-07-07 | Silicones Ste Indle | |
JPS5540743A (en) * | 1978-09-19 | 1980-03-22 | Mitsubishi Gas Chem Co Inc | Surface treatment of polycarbonate resin molded article |
US4287326A (en) * | 1980-03-03 | 1981-09-01 | Toray Silicone Company, Ltd. | Siloxane-modified epoxy resin compositions |
JPS5922975A (ja) * | 1982-07-29 | 1984-02-06 | Toray Silicone Co Ltd | プライマ−組成物 |
JPS5994433A (ja) * | 1982-11-19 | 1984-05-31 | Tokyo Seimitsu Co Ltd | 半導体素子の選別装置 |
US4558007A (en) * | 1983-06-17 | 1985-12-10 | Health Research, Inc. (Roswell Park Divison) | Process for detecting LDHk isozyme activity in human serum for use as a diagnostic aid and for monitoring response to cancer therapy |
JPS6084375A (ja) * | 1983-10-14 | 1985-05-13 | Toshiba Silicone Co Ltd | プライマ−組成物 |
JPS60145301A (ja) * | 1984-01-06 | 1985-07-31 | Mitsubishi Heavy Ind Ltd | 磁性粉末の表面処理方法 |
JPS60240105A (ja) * | 1984-05-14 | 1985-11-29 | Shin Etsu Chem Co Ltd | プラスチツク磁石組成物 |
JPS60244004A (ja) * | 1984-05-18 | 1985-12-03 | Shin Etsu Chem Co Ltd | プラスチツク磁石組成物 |
US4668283A (en) * | 1984-06-25 | 1987-05-26 | Mitsui Toatsu Chemicals, Incorporated | Magnetic powder and production process thereof |
EP0178751B1 (de) * | 1984-07-26 | 1988-12-07 | Dow Corning Limited | Silikonelastomere mit guter Haftung |
CN1007847B (zh) * | 1984-12-24 | 1990-05-02 | 住友特殊金属株式会社 | 制造具有改进耐蚀性磁铁的方法 |
US4689163A (en) * | 1986-02-24 | 1987-08-25 | Matsushita Electric Industrial Co., Ltd. | Resin-bonded magnet comprising a specific type of ferromagnetic powder dispersed in a specific type of resin binder |
-
1987
- 1987-12-14 US US07/132,890 patent/US4876305A/en not_active Expired - Fee Related
-
1988
- 1988-12-13 DE DE88120758T patent/DE3885069T2/de not_active Expired - Fee Related
- 1988-12-13 EP EP88120758A patent/EP0320861B1/de not_active Expired - Lifetime
- 1988-12-13 AT AT88120758T patent/ATE96244T1/de not_active IP Right Cessation
- 1988-12-14 JP JP63313968A patent/JPH01301709A/ja active Pending
- 1988-12-14 CN CN88109249A patent/CN1023230C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH01301709A (ja) | 1989-12-05 |
US4876305A (en) | 1989-10-24 |
CN1039832A (zh) | 1990-02-21 |
EP0320861A3 (en) | 1990-08-22 |
CN1023230C (zh) | 1993-12-22 |
DE3885069T2 (de) | 1994-03-10 |
EP0320861B1 (de) | 1993-10-20 |
EP0320861A2 (de) | 1989-06-21 |
ATE96244T1 (de) | 1993-11-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |