GB1482905A - Toners for electrophotography - Google Patents

Toners for electrophotography

Info

Publication number
GB1482905A
GB1482905A GB3552174A GB3552174A GB1482905A GB 1482905 A GB1482905 A GB 1482905A GB 3552174 A GB3552174 A GB 3552174A GB 3552174 A GB3552174 A GB 3552174A GB 1482905 A GB1482905 A GB 1482905A
Authority
GB
United Kingdom
Prior art keywords
vinylpyridine
aug
copolymer
thermoplastic resin
compatible thermoplastic
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
GB3552174A
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.)
Tokyo Printing Ink Mfg Co Ltd
Original Assignee
Tokyo Printing Ink Mfg Co Ltd
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 Tokyo Printing Ink Mfg Co Ltd filed Critical Tokyo Printing Ink Mfg Co Ltd
Publication of GB1482905A publication Critical patent/GB1482905A/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
    • G03G9/087—Binders for toner particles
    • G03G9/08702—Binders for toner particles comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • G03G9/0874—Polymers comprising hetero rings in the side chains

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

1482905 Electrographic toners TOKYO PRINTING INK MFG CO Ltd 12 Aug 1974 [13 Aug 1973] 35521/74 Heading C3P [Also in Division G2] The resinous ingredient of a positively charged electrographic toner contains from 5-25% by weight of polymerized 2-vinylpyridine, and has a melting point not exceeding 170‹ C. The resinous ingredient may consist of a copolymer of 2-vinylpyridine, or of a homopolymer or copolymer of 2-vinylpyridine blended with a compatible thermoplastic resin. In the examples the 2-vinylpyridine is copolymerized with styrene or with a mixture of methyl and butyl methacrylates. The compatible thermoplastic resin used is a proprietary styrene resin. Pigments exemplified are carbon black, benzidine yellow and phthalocyanine blue. The toner particles are mixed with an iron dust carrier.
GB3552174A 1973-08-13 1974-08-12 Toners for electrophotography Expired GB1482905A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48090024A JPS5127598B2 (en) 1973-08-13 1973-08-13

Publications (1)

Publication Number Publication Date
GB1482905A true GB1482905A (en) 1977-08-17

Family

ID=13987109

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3552174A Expired GB1482905A (en) 1973-08-13 1974-08-12 Toners for electrophotography

Country Status (3)

Country Link
JP (1) JPS5127598B2 (en)
DE (1) DE2438848A1 (en)
GB (1) GB1482905A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5093189A (en) * 1973-12-18 1975-07-25
JPS5413342A (en) * 1977-07-01 1979-01-31 Mita Industrial Co Ltd Dry developer for electrostatic photography
JPS5489640A (en) * 1977-12-12 1979-07-16 Yuki Gosei Yakuhin Kogyo Kk Developing agent for electrophotography
JPS57111543A (en) * 1980-12-27 1982-07-12 Canon Inc Developing powder
US4355167A (en) * 1981-05-01 1982-10-19 Xerox Corporation Telomeric quaternary salt compositions

Also Published As

Publication number Publication date
DE2438848A1 (en) 1975-02-27
JPS5127598B2 (en) 1976-08-13
JPS5039550A (en) 1975-04-11

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee