Electrophotographic belt and electrophotographic image forming apparatus
By using a block copolymer with ester and amide groups to disperse polymer ionic conductive agents in polyester, the electrophotographic belt achieves enhanced conductivity and reduced bleeding, addressing image quality issues.
JP2026106621APending Publication Date: 2026-06-30CANON KK
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Patent Information
- Application Number
- JP2024221517
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2024-12-18
- Publication Date
- 2026-06-30
AI Technical Summary
Technical Problem
Existing electrophotographic belts experience conductivity unevenness and bleeding due to poor dispersion of polymer ionic conductive agents in polyester, leading to image quality issues.
Method used
Incorporating a block copolymer with ester and amide groups in the molecular chain, along with a polymer ionic conductive agent and polyester, to enhance dispersion and maintain high conductivity while suppressing bleeding.
Benefits of technology
The solution results in an electrophotographic belt with improved conductivity and reduced conductivity unevenness, ensuring high-quality image transfer.
✦ Generated by Eureka AI based on patent content.
Abstract
An electrophotographic belt with suppressed bleeding, high conductivity, and minimal conductivity unevenness. [Solution] An electrophotographic belt having a base layer, the base layer containing a polymer ionic conductive agent having a repeating structure containing cations and anions, a block copolymer containing segments having ester groups and segments having amide groups in the molecular chain, and polyester.
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