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US 2026/0227723 A1Published application
Conductive elastic roller, process cartridge, and electrophotographic image forming apparatus
AssigneeCanon Kabushiki Kaisha
InventorsKENJI TAKASHIMA, YOSHITAKA SUZUMURA, SEIJI TSURU, MOTOTERU GOTO
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Abstract
A conductive elastic roller having a conductive substrate and a conductive elastic layer on the substrate, in which the conductive elastic layer contains polyurethane and carbon nanotubes, and the polyurethane includes a nitrogen-containing heteroaromatic ring structure.
Claims11
A conductive elastic roller comprising:
- a conductive substrate;
- and
- a conductive elastic layer on the substrate, wherein
- the conductive elastic layer comprises polyurethane and carbon nanotubes, and
- the polyurethane comprises a nitrogen-containing heteroaromatic ring structure.
2 more elements
A process cartridge configured to be attachable to and detachable from a main body of an electrophotographic image forming apparatus, wherein
- the process cartridge comprises the conductive elastic roller comprising:
- a conductive substrate;
- and
- a conductive elastic layer on the substrate, wherein
- the conductive elastic layer comprises polyurethane and carbon nanotubes, and
- the polyurethane comprises a nitrogen-containing heteroaromatic ring structure.
3 more elements
An electrophotographic image forming apparatus, comprising:
- the conductive elastic roller comprising:
- a conductive substrate;
- and
- a conductive elastic layer on the substrate, wherein
- the conductive elastic layer contains polyurethane and carbon nanotubes, and
- the polyurethane comprises a nitrogen-containing heteroaromatic ring structure.
3 more elements
Dependencies are inferred from the claim text.