Electrophotographic belt, electrophotographic image forming apparatus, method of producing electrophotographic belt, and varnish
US12072653B2 · kind B2 · utility
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6Claims
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Key dates
| Filing date | May 31, 2022 |
| Grant date | Aug 27, 2024 |
| Priority date | — |
| Expiry date | Jul 15, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K3/041
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Provided is an electrophotographic belt having an endless shape including a base layer, wherein the base layer includes a polyimide film containing polyimide serving as a binder resin and a carbon nanotube, wherein the polyimide has an imidization ratio of 80% or more, wherein the carbon nanotube has at least one resin selected from the group consisting of: polyphenylsulfone; polysulfone; and polyethersulfone present on at least part of a surface thereof. The base layer has a tensile strength of 200 MPa or more in each of a peripheral direction thereof and a direction perpendicular to the peripheral direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.