Electrophotographic belt having a substrate containing a polyimide resin and carbon nanotubes, electrophotographic image forming apparatus, fixing device, and varnish
US11927904B2 · kind B2 · utility
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5References
12Claims
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Key dates
| Filing date | Jun 9, 2022 |
| Grant date | Mar 12, 2024 |
| Priority date | — |
| Expiry date | Jun 9, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/2051
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Provided is an electrophotographic belt of an endless shape including a substrate, wherein the substrate contains a polyimide resin and carbon nanotubes, wherein a content of the carbon nanotubes in the substrate is 15 vol % or less with respect to a total volume of the polyimide resin, wherein the substrate has a tensile strength of 200 MPa or more in each of a peripheral direction thereof and a direction perpendicular to the peripheral direction, and wherein the substrate has a thermal conductivity of 0.9 W/(m·K) or more in a thickness direction thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.