Perfluorinated polyether release agent for phase change ink members
US8082842B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 31, 2006 |
| Grant date | Dec 27, 2011 |
| Priority date | — |
| Expiry date | Aug 8, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41N2210/14
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An offset printing apparatus for transferring a phase change ink onto a print medium, which includes a) a phase change ink component for applying a phase change ink in a phase change ink image; b) an imaging member for accepting the phase change ink image from the phase change ink component, and transferring the phase change ink image from the imaging member to the print medium, the imaging member having i) an imaging substrate, and thereover ii) an optional outer layer; and iii) iii) a release agent material coating, wherein the release agent material coating includes a perfluorinated polyether having a skeleton selected from the group consisting of Formulas I and II and mixtures thereof:CF3—(CF2CF2)m—O—(R1R2O)—(R3R3O)n—(R3O)p—(CF2)q—CF3 Formula IandR1—(CF2CF2)m—O—(R2R2O)n—(R2O)p—(CF2)q—CF3—R1 Formula II.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.