FR2406841A1 - TURNING AGENT POWDER FOR DEVELOPING LATENT ELECTROSTATIC IMAGES - Google Patents

TURNING AGENT POWDER FOR DEVELOPING LATENT ELECTROSTATIC IMAGES

Info

Publication number
FR2406841A1
FR2406841A1 FR7830185A FR7830185A FR2406841A1 FR 2406841 A1 FR2406841 A1 FR 2406841A1 FR 7830185 A FR7830185 A FR 7830185A FR 7830185 A FR7830185 A FR 7830185A FR 2406841 A1 FR2406841 A1 FR 2406841A1
Authority
FR
France
Prior art keywords
epoxy
resin
reaction
electrostatic images
degrees
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.)
Granted
Application number
FR7830185A
Other languages
French (fr)
Other versions
FR2406841B1 (en
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.)
Canon Production Printing Holding BV
Original Assignee
Oce Van der Grinten NV
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 Oce Van der Grinten NV filed Critical Oce Van der Grinten NV
Publication of FR2406841A1 publication Critical patent/FR2406841A1/en
Application granted granted Critical
Publication of FR2406841B1 publication Critical patent/FR2406841B1/fr
Granted 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
    • G03G9/08742—Binders for toner particles comprising macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • G03G9/08746—Condensation polymers of aldehydes or ketones
    • G03G9/08748—Phenoplasts
    • 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
    • G03G9/08742—Binders for toner particles comprising macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • G03G9/08753—Epoxyresins

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)
  • Compositions Of Macromolecular Compounds (AREA)
  • Paints Or Removers (AREA)

Abstract

La poudre comprend de fines particules d'agent de virage colorée qui contiennent une résine thermoplastique isolante et une matière colorante. La résine thermoplastique est constituée principalement par un mélange de résine époxydes constituées, en partie, par une résine époxyde modifiée dont les groupes époxy ont été bloqués à au moins 50 % par une réaction chimique avec un acide carboxylique ou un phénol monofonctionnel ou par une réaction intermoléculaire avec les groupes hydroxyles alcooliques de la résine elle-même ou par une réaction avec un durcisseur d'époxyde polyfonctionnel et, en partie, par une époxyamine qui est le produit de la réaction chimique d'une résine époxyde avec une amine basique, le mélange final de résines époxydes ayant une masse équivalente en époxy d'au moins 8 000, une viscosité à l'état fondu, à 140 degrés C, comprise entre 10 et 200 000 s.Pa et une température de transition vitreuse Tg comprise entre 45 et 80 degrés C. Application au développement d'images électrostatiques.The powder comprises fine particles of colored toning agent which contain an insulating thermoplastic resin and a coloring material. The thermoplastic resin consists mainly of a mixture of epoxy resin consisting, in part, of a modified epoxy resin whose epoxy groups have been blocked at least 50% by a chemical reaction with a carboxylic acid or a monofunctional phenol or by a reaction intermolecular with the alcoholic hydroxyl groups of the resin itself or by reaction with a polyfunctional epoxy hardener and, in part, by an epoxyamine which is the product of the chemical reaction of an epoxy resin with a basic amine, the final mixture of epoxy resins having an epoxy equivalent mass of at least 8,000, a melt viscosity, at 140 degrees C, between 10 and 200,000 s.Pa, and a glass transition temperature Tg between 45 and 80 degrees C. Application to the development of electrostatic images.

FR7830185A 1977-10-24 1978-10-24 TURNING AGENT POWDER FOR DEVELOPING LATENT ELECTROSTATIC IMAGES Granted FR2406841A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7711623A NL7711623A (en) 1977-10-24 1977-10-24 TONER POWDER FOR DEVELOPING LATENT ELECTROSTATIC IMAGES.

Publications (2)

Publication Number Publication Date
FR2406841A1 true FR2406841A1 (en) 1979-05-18
FR2406841B1 FR2406841B1 (en) 1984-12-14

Family

ID=19829386

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7830185A Granted FR2406841A1 (en) 1977-10-24 1978-10-24 TURNING AGENT POWDER FOR DEVELOPING LATENT ELECTROSTATIC IMAGES

Country Status (12)

Country Link
JP (1) JPS5484729A (en)
AU (1) AU521080B2 (en)
BE (1) BE871510A (en)
CA (1) CA1131487A (en)
CH (1) CH644219A5 (en)
DE (1) DE2846306A1 (en)
ES (1) ES474453A1 (en)
FR (1) FR2406841A1 (en)
GB (1) GB2007382B (en)
IT (1) IT1108764B (en)
NL (1) NL7711623A (en)
SE (1) SE434681B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2439419A1 (en) * 1978-10-20 1980-05-16 Oce Van Der Grinten Nv TURNING AGENT POWDER FOR DEVELOPING ELECTROSTATIC IMAGES

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5699348A (en) * 1980-01-10 1981-08-10 Ricoh Co Ltd Toner particle for developing electrostatic charge image
JPS5722248A (en) * 1980-07-15 1982-02-05 Mitsubishi Chem Ind Ltd Electrostatic developing toner
JPS5868752A (en) * 1981-10-21 1983-04-23 Toyo Ink Mfg Co Ltd Powder toner
JPS58105163A (en) * 1981-12-17 1983-06-22 Matsushita Electric Ind Co Ltd Dry developer
JPS59109370A (en) * 1982-12-14 1984-06-25 Seiko Epson Corp Ink jet head
JPH0740142B2 (en) * 1985-11-05 1995-05-01 日本カーバイド工業株式会社 Toner for electrostatic image development
US5269030A (en) * 1991-11-13 1993-12-14 Ssi Medical Services, Inc. Apparatus and method for managing waste from patient care, maintenance, and treatment

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1538818A (en) * 1966-09-13 1968-09-06 Molins Machine Co Ltd New printing process using particle inks and inks intended for this process
US3907693A (en) * 1973-05-21 1975-09-23 Rank Xerox Ltd Liquid developer for electrophotography
DE2700870A1 (en) * 1976-01-13 1977-07-21 Konishiroku Photo Ind TONER FOR DEVELOPING LATENT ELECTROSTATIC IMAGES
FR2352326A1 (en) * 1976-05-20 1977-12-16 Oce Van Der Grinten Nv TURNING AGENT POWDER FOR DEVELOPING ELECTROSTATIC IMAGES

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE806408A (en) * 1973-10-23 1974-04-23 Oce Van Der Grinten Nv TONER POWDER FOR DEVELOPING ELECTROSTATIC IMAGES
JPS5277732A (en) * 1975-12-24 1977-06-30 Nippon Paint Co Ltd Toner for electrophotographic development

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1538818A (en) * 1966-09-13 1968-09-06 Molins Machine Co Ltd New printing process using particle inks and inks intended for this process
US3907693A (en) * 1973-05-21 1975-09-23 Rank Xerox Ltd Liquid developer for electrophotography
DE2700870A1 (en) * 1976-01-13 1977-07-21 Konishiroku Photo Ind TONER FOR DEVELOPING LATENT ELECTROSTATIC IMAGES
FR2352326A1 (en) * 1976-05-20 1977-12-16 Oce Van Der Grinten Nv TURNING AGENT POWDER FOR DEVELOPING ELECTROSTATIC IMAGES

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DW1974 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2439419A1 (en) * 1978-10-20 1980-05-16 Oce Van Der Grinten Nv TURNING AGENT POWDER FOR DEVELOPING ELECTROSTATIC IMAGES

Also Published As

Publication number Publication date
NL7711623A (en) 1979-04-26
DE2846306A1 (en) 1979-04-26
GB2007382B (en) 1982-02-24
AU4100778A (en) 1980-05-01
IT7869431A0 (en) 1978-10-23
SE7811065L (en) 1979-04-25
BE871510A (en) 1979-04-24
GB2007382A (en) 1979-05-16
CH644219A5 (en) 1984-07-13
ES474453A1 (en) 1979-10-16
FR2406841B1 (en) 1984-12-14
JPS649627B2 (en) 1989-02-17
SE434681B (en) 1984-08-06
DE2846306C2 (en) 1987-11-26
AU521080B2 (en) 1982-03-18
CA1131487A (en) 1982-09-14
JPS5484729A (en) 1979-07-05
IT1108764B (en) 1985-12-09

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