GB1345027A - Carrier coatings - Google Patents

Carrier coatings

Info

Publication number
GB1345027A
GB1345027A GB2279971A GB2279971A GB1345027A GB 1345027 A GB1345027 A GB 1345027A GB 2279971 A GB2279971 A GB 2279971A GB 2279971 A GB2279971 A GB 2279971A GB 1345027 A GB1345027 A GB 1345027A
Authority
GB
United Kingdom
Prior art keywords
resins
beads
rosin
mixtures
listed
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
Application number
GB2279971A
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.)
Xerox Corp
Original Assignee
Xerox Corp
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 Xerox Corp filed Critical Xerox Corp
Publication of GB1345027A publication Critical patent/GB1345027A/en
Expired 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
    • G03G9/113—Developers with toner particles characterised by carrier particles having coatings applied thereto
    • G03G9/1132—Macromolecular components of coatings
    • G03G9/1135—Macromolecular components of coatings obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Developing Agents For Electrophotography (AREA)

Abstract

1345027 Coated products XEROX CORP 19 April 1971 [5 Feb 1970[ 22799/71 Heading B2E [Also in Division G2] An electrostatographic developer mixture comprises finely-divided toner particles electrostatically clinging to the surface of carrier beads, each of the beads having a uniform coating comprising cellulose acetate butyrate. The cores of the beads may be of glass, flintshot, sodium chloride, ammonium chloride, aluminium potassium chloride, Rochelle salt, sodium nitrate, potassium chlorate, granular zircon, silicon, polymethylmethacrylate, silicon dioxide, iron, steel, nickel, carborundum and mixtures of these. The particles are coated by contacting with the cellulose acetate butyrate in solution in an organic solvent, of which several are listed. Plasticizers of which many are listed may also be present in the coating. Typical toner materials may be gum copal, gum sandarac, rosin, coumarone-indene resin, asphaltum, gilsonite, phenol-formaldehyde resins, rosin-modified phenol-formaldehyde resins, methacrylic resins, polystyrene resins, polypropylene resins, epoxy resins, polyethylene resins, and mixtures of these.
GB2279971A 1970-02-05 1971-04-19 Carrier coatings Expired GB1345027A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1831670A 1970-02-05 1970-02-05

Publications (1)

Publication Number Publication Date
GB1345027A true GB1345027A (en) 1974-01-30

Family

ID=21787316

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2279971A Expired GB1345027A (en) 1970-02-05 1971-04-19 Carrier coatings

Country Status (3)

Country Link
JP (1) JPS5127135B1 (en)
CA (1) CA941210A (en)
GB (1) GB1345027A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53127489U (en) * 1977-03-17 1978-10-09
JP4557820B2 (en) * 2004-06-24 2010-10-06 キヤノン株式会社 Resin-coated carrier for electrophotographic developer, two-component developer comprising the same, and developer for replenishment

Also Published As

Publication number Publication date
CA941210A (en) 1974-02-05
JPS5127135B1 (en) 1976-08-11

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees