Developer carrying member, process for its production, and developing assembly
US8792810B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 27, 2013 |
| Grant date | Jul 29, 2014 |
| Priority date | — |
| Expiry date | Mar 27, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/0818
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A developer carrying member is provided which can maintain a high image quality over a long period of time even where a highly triboelectrically chargeable developer is used. The developer carrying member has a substrate and a surface layer. The surface layer is a cured product of a resin composition containing a binder resin, conductive particles, a quaternary phosphonium salt and an azo metal complex compound, the binder resin has in the molecular structure at least one structure selected from the group consisting of an —NH2 group, an ═NH group and an —NH— linkage, and the azo metal complex compound is a compound represented by the formula (1) as defined in the specification.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.