ES2041916T3 - Carrier recubiertos de oxido, un procedimiento para la obtencion de estos carrier y su empleo. - Google Patents

Carrier recubiertos de oxido, un procedimiento para la obtencion de estos carrier y su empleo.

Info

Publication number
ES2041916T3
ES2041916T3 ES198989116067T ES89116067T ES2041916T3 ES 2041916 T3 ES2041916 T3 ES 2041916T3 ES 198989116067 T ES198989116067 T ES 198989116067T ES 89116067 T ES89116067 T ES 89116067T ES 2041916 T3 ES2041916 T3 ES 2041916T3
Authority
ES
Spain
Prior art keywords
carrier
procedure
obtaining
cores
coated oxide
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 - Lifetime
Application number
ES198989116067T
Other languages
English (en)
Inventor
Erwin Dr. Czech
Werner Dr. Ostertag
Detlef Dr. Schulze-Hagenest
Franz-Ulrich Dr. Schmitt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BASF SE
Original Assignee
BASF SE
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BASF SE filed Critical BASF SE
Application granted granted Critical
Publication of ES2041916T3 publication Critical patent/ES2041916T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated
    • Y10T428/2993—Silicic or refractory material containing [e.g., tungsten oxide, glass, cement, etc.]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Developing Agents For Electrophotography (AREA)

Abstract

LOS NUEVOS CARRIER CONSISTEN EN NUCLEOS DE ACERO QUE TIENEN UNA CAPA QUE CONTIENE OXIDO DE HIERRO DE LA FORMULA (FEO)X . FE2 O3 CON X = 0,1 - 1. LOS CARRIER SON ESTABLES Y EFECTIVOS DURANTE LARGOS TIEMPOS DE CICLOS (6 . 10 6 IMPRESIONES). SE CONSIGUE LOS CARRIER POR TRATAMIENTO DE LOS NUCLEOS DE ACERO (BOLAS DE ACERO) CON PEQUEÑAS CANTIDADES DEFINIDAS DE ACIDO SULFURICO DE CONCENTRACION DEFINIDA, OXIDACION PARCIAL DE LOS NUCLEOS TRATADOS Y SECADO CON TEMPERATURA DE 60 - 150 C CON (MENOR O IGUAL) 100 MBAR.
ES198989116067T 1988-09-13 1989-08-31 Carrier recubiertos de oxido, un procedimiento para la obtencion de estos carrier y su empleo. Expired - Lifetime ES2041916T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3831091A DE3831091A1 (de) 1988-09-13 1988-09-13 Oxidbeschichtete carrier, ein verfahren zur herstellung dieser carrier und deren verwendung

Publications (1)

Publication Number Publication Date
ES2041916T3 true ES2041916T3 (es) 1993-12-01

Family

ID=6362846

Family Applications (1)

Application Number Title Priority Date Filing Date
ES198989116067T Expired - Lifetime ES2041916T3 (es) 1988-09-13 1989-08-31 Carrier recubiertos de oxido, un procedimiento para la obtencion de estos carrier y su empleo.

Country Status (7)

Country Link
US (1) US5039587A (es)
EP (1) EP0359041B1 (es)
JP (1) JPH02114270A (es)
CA (1) CA1320109C (es)
DE (2) DE3831091A1 (es)
ES (1) ES2041916T3 (es)
PT (1) PT91694B (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4140900A1 (de) * 1991-12-12 1993-06-17 Basf Ag Als carrier fuer die elektrophotographie geeignete teilchen
US5272039A (en) * 1992-05-04 1993-12-21 Eastman Kodak Company Preparation of magnetic carrier particles
DE4409966A1 (de) * 1994-03-23 1995-09-28 Basf Ag Zweifach mit Metalloxid beschichtete Carrier für die Elektrophotographie
US6342273B1 (en) 1994-11-16 2002-01-29 Dsm N.V. Process for coating a substrate with a powder paint composition
JP2000508007A (ja) * 1996-03-26 2000-06-27 ディーエスエム エヌ．ブイ． 粉末塗料組成物により板状又は紙状の基材を被覆する方法
JP4799332B2 (ja) * 2006-09-12 2011-10-26 株式会社東芝 エッチング液、エッチング方法および電子部品の製造方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3533835A (en) * 1966-10-11 1970-10-13 Xerox Corp Electrostatographic developer mixture
US3632512A (en) * 1969-02-17 1972-01-04 Eastman Kodak Co Method of preparing magnetically responsive carrier particles
US3798167A (en) * 1971-01-28 1974-03-19 Ibm Electrophotographic developer having controlled triboelectric characteristics
BE793539A (fr) * 1971-12-30 1973-06-29 Int Nickel Ltd Perfectionnements relatifs a la compression des poudres
GB1429821A (en) * 1973-02-02 1976-03-31 Ici Ltd Electrostatic charge controller
CA1103079A (en) * 1976-04-05 1981-06-16 Xerox Corporation Semi-conductive steel carrier particles
JPS5913732B2 (ja) * 1977-07-05 1984-03-31 コニカ株式会社 鉄粉現像担体及びその製造方法並びに現像剤と画像形成方法
US4246208A (en) * 1979-03-22 1981-01-20 Xerox Corporation Dust-free plasma spheroidization
US4310611A (en) * 1979-06-29 1982-01-12 Eastman Kodak Company Electrographic magnetic carrier particles
DE3312741C2 (de) * 1982-04-08 1985-07-04 Ricoh Co., Ltd., Tokio/Tokyo Trägerteilchen für elektrostatographische Entwickler und deren Verwendung
US4425383A (en) * 1982-07-06 1984-01-10 Xerox Corporation Process for oxidation of carrier particles
JPS60201359A (ja) * 1984-03-27 1985-10-11 Ricoh Co Ltd 静電潜像現像剤用キヤリア
CA1330869C (en) * 1986-09-03 1994-07-26 Kouichi Nagata Magnetic carrier used for developer
DE3727383A1 (de) * 1987-08-17 1989-03-02 Basf Ag Carrier fuer reprographie und verfahren zur herstellung dieser carrier

Also Published As

Publication number Publication date
DE58904063D1 (de) 1993-05-19
CA1320109C (en) 1993-07-13
PT91694A (pt) 1990-03-30
EP0359041A2 (de) 1990-03-21
EP0359041A3 (en) 1990-07-04
US5039587A (en) 1991-08-13
DE3831091A1 (de) 1990-03-29
EP0359041B1 (de) 1993-04-14
JPH02114270A (ja) 1990-04-26
PT91694B (pt) 1995-05-31

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