Title:
ELECTROPHOTOGRAPHIC CARRIER AND TWO-COMPONENT DEVELOPER
Document Type and Number:
WIPO Patent Application WO/2023/223921
Kind Code:
A1
Abstract:
Provided is an electrophotographic carrier comprising a resin-coated carrier comprising magnetic core material particles and a coating layer that coats the surfaces of the core material particles with a resin, wherein the coating layer at least includes an acrylic resin A that does not contain a styrene component, an acrylic resin B that contains a styrene component, and a fluororesin, and the ratio of the styrene component contained in all the acrylic resins in the coating layer is less than 45.2 mass %. Also provided is a two-component developer using the same. The ratio of a constituent unit derived from a styrene monomer in the acrylic resin B is preferably 30 mol % to 90 mol % inclusive with respect to all of the constituent units constituting the acrylic resin B.
Inventors:
IKEDA TOMOHIRO (JP)
ITO MITSUNORI (JP)
ITO MITSUNORI (JP)
Application Number:
PCT/JP2023/017650
Publication Date:
November 23, 2023
Filing Date:
May 11, 2023
Export Citation:
Assignee:
KANTO DENKA KOGYO KK (JP)
International Classes:
G03G9/113; G03G9/107
Foreign References:
| JPS6432268A | 1989-02-02 | |||
| JPH0580590A | 1993-04-02 | |||
| JP2003215851A | 2003-07-30 | |||
| JPS60176048A | 1985-09-10 |
Attorney, Agent or Firm:
SHOWA INTERNATIONAL PATENT FIRM (JP)
Download PDF:
Previous Patent: PELTIER ELEMENT PROVIDED WITH HEAT FLOW SENSOR
Next Patent: METHOD FOR OPERATING EXHAUST GAS TREATMENT FACILITY
Next Patent: METHOD FOR OPERATING EXHAUST GAS TREATMENT FACILITY