JPS56154738A - Toner for developing electrostatic charge image and its manufacture - Google Patents

Toner for developing electrostatic charge image and its manufacture

Info

Publication number
JPS56154738A
JPS56154738A JP5792880A JP5792880A JPS56154738A JP S56154738 A JPS56154738 A JP S56154738A JP 5792880 A JP5792880 A JP 5792880A JP 5792880 A JP5792880 A JP 5792880A JP S56154738 A JPS56154738 A JP S56154738A
Authority
JP
Japan
Prior art keywords
particles
resin
toner
dyed
soln
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.)
Pending
Application number
JP5792880A
Other languages
Japanese (ja)
Inventor
Hiroyuki Takagiwa
Kenji Tsujita
Koichi Yamakawa
Makoto Tomono
Tsuneo Wada
Saburo Wakimoto
Tetsumasa Ishida
Sadayasu Miyahara
Yoshihiko Hyozu
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.)
Konica Minolta Inc
Sinloihi Co Ltd
Original Assignee
Konica Minolta Inc
Sinloihi 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 Konica Minolta Inc, Sinloihi Co Ltd filed Critical Konica Minolta Inc
Priority to JP5792880A priority Critical patent/JPS56154738A/en
Publication of JPS56154738A publication Critical patent/JPS56154738A/en
Priority to US06/695,408 priority patent/US4623604A/en
Pending 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
    • G03G9/0802—Preparation methods
    • G03G9/0804—Preparation methods whereby the components are brought together in a liquid dispersing medium
    • 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
    • G03G9/0802—Preparation methods
    • 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
    • G03G9/097—Plasticisers; Charge controlling agents
    • G03G9/09708—Inorganic compounds
    • G03G9/09716—Inorganic compounds treated with organic compounds

Landscapes

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

Abstract

PURPOSE:To obtain a superior toner by preparing core particles for the toner by suspension polymn., dyeing them with an aqueoud dye, dipping the dyed particles in a soln. of a resin in a solvent slightly dissolving the particles to form resin coated dyed particles, and further sticking hydrophobic silica to the particles. CONSTITUTION:Magnetic powder, carbon black or the like is added to a monomer such as styrene or acrylate, and this composition is subjected to suspension polymn. to form core particles. The resulting dispersion is heated, and an aqueous dye is dissolved and agitated to dye the particles. After drying, the dyed particles are dipped in a soln. of hydrocarbon resin, terpene resin or other resin in a solvent slightly dissolving the particles, and they are dried to obtain resin coated dyed particles, which are then sieved and used as a toner. By dispersing hydrophobic fine silica powder in said resin soln., dipping the dyed resin particles in the dispersion, and drying them, silica is further stuck to the resin coated particles as required. The resulting toner is proof against moisture, has high charging characteristics and gives a clear image.
JP5792880A 1980-05-02 1980-05-02 Toner for developing electrostatic charge image and its manufacture Pending JPS56154738A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP5792880A JPS56154738A (en) 1980-05-02 1980-05-02 Toner for developing electrostatic charge image and its manufacture
US06/695,408 US4623604A (en) 1980-05-02 1985-01-25 Triboelectric stabilized toner for developing electrically charged images and a method for the production thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5792880A JPS56154738A (en) 1980-05-02 1980-05-02 Toner for developing electrostatic charge image and its manufacture

Publications (1)

Publication Number Publication Date
JPS56154738A true JPS56154738A (en) 1981-11-30

Family

ID=13069661

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5792880A Pending JPS56154738A (en) 1980-05-02 1980-05-02 Toner for developing electrostatic charge image and its manufacture

Country Status (1)

Country Link
JP (1) JPS56154738A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61228458A (en) * 1985-04-01 1986-10-11 ゼロツクス　コーポレーシヨン Preparation of color toner composition
EP0227097A1 (en) * 1985-12-23 1987-07-01 Nagase Chemicals, Ltd. A process for producing toners for use in electrophotography
GB2237653A (en) * 1989-10-18 1991-05-08 Ricoh Kk Method of producing toner for developing latent electrostatic images

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61228458A (en) * 1985-04-01 1986-10-11 ゼロツクス　コーポレーシヨン Preparation of color toner composition
EP0227097A1 (en) * 1985-12-23 1987-07-01 Nagase Chemicals, Ltd. A process for producing toners for use in electrophotography
GB2237653A (en) * 1989-10-18 1991-05-08 Ricoh Kk Method of producing toner for developing latent electrostatic images
GB2237653B (en) * 1989-10-18 1993-09-29 Ricoh Kk Method of producing toner for developing latent electro-static images
US5565298A (en) * 1989-10-18 1996-10-15 Ricoh Company, Ltd. Method of producing toner for developing latent electrostatic images

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