KR850002141A - 안정화된 마그네틱 피그먼트 - Google Patents
안정화된 마그네틱 피그먼트 Download PDFInfo
- Publication number
- KR850002141A KR850002141A KR1019840005182A KR840005182A KR850002141A KR 850002141 A KR850002141 A KR 850002141A KR 1019840005182 A KR1019840005182 A KR 1019840005182A KR 840005182 A KR840005182 A KR 840005182A KR 850002141 A KR850002141 A KR 850002141A
- Authority
- KR
- South Korea
- Prior art keywords
- magnetic pigment
- pigment
- weight
- magnetic
- iron
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/62—Metallic pigments or fillers
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/712—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the surface treatment or coating of magnetic particles
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/706—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material
- G11B5/70605—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material metals or alloys
- G11B5/70615—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material metals or alloys containing Fe metal or alloys
-
- 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
- H01F1/06—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 in the form of particles, e.g. powder
- H01F1/061—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 in the form of particles, e.g. powder with a protective layer
Landscapes
- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Paints Or Removers (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Powder Metallurgy (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (8)
- 중합체 물질의 양이, 마그네틱 피그먼트의 양을 기준하여, 0.1 내지 5중량%, 바람직하게는 0.2 내지 2중량%임을 특징으로 하는 자체특성을 보존시키기 위해 중합체물질로 밀폐시킨 민감한 마그네틱 피그먼트.
- 제1항에 있어서, 언급된 중합체 물질을 패킹(paccking) 물질로써 사용함을 특징으로 하는 마그네틱 피그먼트.
- 제1 또는 2항에 있어서, 언급된 중합체 물질이 자기 기록 매체(magnetic recording media)의 제조시 재료에 용해될 수 있고/있거나 팽윤될 수 있음을 특징으로 하는 마그네틱 피그먼트.
- 제1 또는 3항중 어느 하나에 있어서, 언급된 중합체 물질이 폴리카보네이트, 폴리아크릴레이트, 폴리메타크릴레이트, 폴리에스테르, 폴리에테르, 폴리우레탄, 폴리비닐화합물, 폴리비닐리덴 화합물, 셀룰로오스 화합물 또는 이의 혼합물로 이루어짐을 특징으로 하는 마그네틱 피그먼트.
- 제1 내지 4항중 어느 하나에 있어서, 언급된 피그먼트가 자철석, 버토로이드 (bertholoid)철산화물/및 또는 거의 철로 이루어진 금속 피그먼트임을 특징으로 하는 마그네틱 피그먼트.
- 제5항에 있어서, 언급된 마그네틱 피그먼트가, 거의 철로 이루어져 있으며 0.5 내지 15중량%의 산소함유량을 가지는 금속 피그먼트 임을 특징으로 하는 마그네틱 피그먼트.
- 마그네틱 피그먼트의 산화도를 임의로 조정한 후, 이 마그네틱 피그먼트를 중합체 물질로 멜폐시킴으로 틀징으로 하여, 제1항 내지 제6항에 따르는 금속피그먼트를 제조하는 방법.
- 거의 철로 이루어진 금속피그먼트를, 시간에 따라 증가하는 산소 부분압을 가진 대기중에서 신중히 열처리하여 0.5 내지 15중량%의 산소를 함유하도록 한 다음, 폴리카아보네이트, 폴리아크릴레이트, 폴리메타크릴레이트, 폴리에스테르, 폴리에테르, 폴리우레탄, 폴리비닐화합물, 폴리비닐리덴 화합물, 셀룰로오스 화합물 및 이의 혼합물중에서 선택된 패킹물질로서의 중합체 0.1 내지 5중량%를 사용하여 밀폐시킴을 특징으로 하여, 거의 철로 이루어졌으며, 산소함량이 0.5 내지 15중량%인 마그네틱 피그먼트를 제조하는 방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19833330767 DE3330767A1 (de) | 1983-08-26 | 1983-08-26 | Handhabungsstabile im wesentlichen aus eisen bestehende magnetpigmente, verfahren zu ihrer herstellung sowie ihre verwendung |
DEP3330767,9 | 1983-08-26 | ||
DEP3330767.9 | 1983-08-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR850002141A true KR850002141A (ko) | 1985-05-06 |
KR910006651B1 KR910006651B1 (ko) | 1991-08-30 |
Family
ID=6207470
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019840005182A KR910006651B1 (ko) | 1983-08-26 | 1984-08-25 | 안정화된 마그네틱 피그먼트 |
Country Status (5)
Country | Link |
---|---|
US (1) | US4689086A (ko) |
EP (1) | EP0137232B1 (ko) |
JP (1) | JPS6067566A (ko) |
KR (1) | KR910006651B1 (ko) |
DE (2) | DE3330767A1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111691233A (zh) * | 2020-05-28 | 2020-09-22 | 仙鹤股份有限公司 | 一种低平滑度医用包装原纸的制备方法 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1993004408A1 (en) * | 1991-08-16 | 1993-03-04 | Eastman Kodak Company | Ferrite green beads and method of producing carrier particles |
US5919848A (en) * | 1997-10-03 | 1999-07-06 | Eastman Chemical Company | Magnetic polyester compositions |
JP2001305733A (ja) * | 2000-04-18 | 2001-11-02 | Sumitomo Chem Co Ltd | 感光性組成物の保存方法 |
US6944115B2 (en) * | 2000-09-29 | 2005-09-13 | General Electric Company | Colored data storage media |
US6475588B1 (en) | 2001-08-07 | 2002-11-05 | General Electric Company | Colored digital versatile disks |
US6475589B1 (en) | 2001-12-17 | 2002-11-05 | General Electric Company | Colored optical discs and methods for making the same |
CN101429349B (zh) * | 2007-11-07 | 2012-04-18 | 秦文隆 | 不锈钢皮膜资源化再利用方法 |
US9791623B2 (en) * | 2009-11-30 | 2017-10-17 | Board Of Regents, The University Of Texas System | Multilevel leaky-mode resonant optical devices |
US8313666B2 (en) * | 2011-03-17 | 2012-11-20 | Xerox Corporation | Curable inks comprising polymer-coated magnetic nanoparticles |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3389105A (en) * | 1965-03-05 | 1968-06-18 | Alcan Metal Powders Inc | Flake metal powders coated with fluorocarbon resin |
US3520676A (en) * | 1968-05-28 | 1970-07-14 | Eastman Kodak Co | Stabilization of pyrophoric metal powder |
DE1914137B2 (de) * | 1969-03-20 | 1976-09-23 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur herstellung von dauermagneten |
JPS5240847B2 (ko) * | 1972-10-05 | 1977-10-14 | ||
DE2365179C2 (de) * | 1973-12-29 | 1985-12-19 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Herstellung von magnetischen Teilchen mit Austausch-Anisotropie und deren Verwendung |
US3964939A (en) * | 1974-12-26 | 1976-06-22 | Bell Telephone Laboratories, Incorporated | Bodies including passivated metal particles |
DE2602736C2 (de) * | 1976-01-26 | 1982-10-14 | Basf Farben + Fasern Ag, 2000 Hamburg | Verwendung von wasserlöslichen Folien in Beutelform als Verpackungsmaterial für lösungsmittelhaltige Pigmentpasten |
DE2945687A1 (de) * | 1979-11-13 | 1981-06-04 | Bayer Ag, 5090 Leverkusen | Magnetische metall- und legierungspigmente |
JPS56140356A (en) * | 1980-04-03 | 1981-11-02 | Toray Ind Inc | Dry toner |
JPS56161470A (en) * | 1980-05-16 | 1981-12-11 | Toyo Alum Kk | Metal pigment composition and preparation thereof |
JPS5716030A (en) * | 1980-05-26 | 1982-01-27 | Toyo Alum Kk | Production of polyvinyl chloride sheet containing metallic pigment |
JPS5716066A (en) * | 1980-05-26 | 1982-01-27 | Toyo Alum Kk | Metal pigment composition for aqueous medium and preparation of the same |
DE3048086A1 (de) * | 1980-12-19 | 1982-07-15 | Bayer Ag, 5090 Leverkusen | Agglomerierte ferromagnetische eisenteilchen |
DE3116489A1 (de) * | 1981-04-25 | 1982-11-11 | Basf Ag, 6700 Ludwigshafen | Verfahren zur stabilisierung pyrophorer, im wesentlichen aus eisen bestehender ferromagnetischer nadelfoermiger metallteilchen |
US4434009A (en) * | 1981-12-03 | 1984-02-28 | Toyo Aluminium Kabushiki Kaisha | Polymer-coated metallic pigments |
JPS58141248A (ja) * | 1982-02-15 | 1983-08-22 | Toyo Alum Kk | 着色メタリツク顔料及びその製造方法 |
-
1983
- 1983-08-26 DE DE19833330767 patent/DE3330767A1/de not_active Withdrawn
-
1984
- 1984-08-16 EP EP84109741A patent/EP0137232B1/de not_active Expired
- 1984-08-16 DE DE8484109741T patent/DE3463700D1/de not_active Expired
- 1984-08-22 JP JP59173439A patent/JPS6067566A/ja active Pending
- 1984-08-25 KR KR1019840005182A patent/KR910006651B1/ko not_active IP Right Cessation
-
1985
- 1985-10-24 US US06/790,797 patent/US4689086A/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111691233A (zh) * | 2020-05-28 | 2020-09-22 | 仙鹤股份有限公司 | 一种低平滑度医用包装原纸的制备方法 |
Also Published As
Publication number | Publication date |
---|---|
EP0137232A1 (de) | 1985-04-17 |
KR910006651B1 (ko) | 1991-08-30 |
US4689086A (en) | 1987-08-25 |
EP0137232B1 (de) | 1987-05-13 |
JPS6067566A (ja) | 1985-04-17 |
DE3463700D1 (en) | 1987-06-19 |
DE3330767A1 (de) | 1985-03-14 |
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Legal Events
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A201 | Request for examination | ||
G160 | Decision to publish patent application | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
LAPS | Lapse due to unpaid annual fee |