Phenolic epoxy polymer or polyester and charge transporting small molecule at interface between a charge generator layer and a charge transport layer
US4933244A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 3, 1989 |
| Grant date | Jun 12, 1990 |
| Priority date | — |
| Expiry date | Jan 3, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G5/0567
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An imaging member comprising an electrophotographic imaging member comprising a substrate having an electrically conductive surface, a charge generator layer, a charge transport layer comprising a polycarbonate film forming binder and a charge transporting small molecule, and an interface layer comprising a polymer and a charge transporting between the charge generator layer and the charge transport layer, wherein the interface layer comprises a mixture of a charge transporting material and certain phenolic epoxy polymers of polyesters.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.