Invention Grant
- Patent Title: Electrophotographic member and electrophotographic image forming apparatus
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Application No.: US17481640Application Date: 2021-09-22
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Publication No.: US12135507B2Publication Date: 2024-11-05
- Inventor: Noriaki Egawa , Tomoaki Nakai
- Applicant: CANON KABUSHIKI KAISHA
- Applicant Address: JP Tokyo
- Assignee: CANON KABUSHIKI KAISHA
- Current Assignee: CANON KABUSHIKI KAISHA
- Current Assignee Address: JP Tokyo
- Agency: VENABLE LLP
- Priority: JP2020-169229 20201006
- Main IPC: G03G15/02
- IPC: G03G15/02 ; G03G9/087 ; G03G9/097

Abstract:
Provided is an electrophotographic member that includes a surface with excellent abrasion resistance and allows toner to have an increased charge amount, thereby eliciting uniform and high transfer efficiency. This electrophotographic member is provided with a surface layer including at least one of an acrylic resin and methacrylic resin, the surface layer further including a positively chargeable charge control agent, wherein a surface of the surface layer is free from a convex portion having a height of more than 15 μm resulting from the charge control agent.
Public/Granted literature
- US20220107578A1 ELECTROPHOTOGRAPHIC MEMBER AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS Public/Granted day:2022-04-07
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