Perfluorinated polyether release agent for phase change ink...

Details Perfluorinated polyether release agent for phase change ink... Perfluorinated polyether release agent for phase change ink...

2006-05-31

2011-12-27

Zimmerman, Joshua D (Department: 2854)

Printing

Planographic

Rotary machines

C399S325000, C399S328000, C101S142000

Reexamination Certificate

active

08082842

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:in-line-formulae description="In-line Formulae" end="lead"?CF3—(CF2CF2)m—O—(R1R2O)—(R3R3O)n—(R3O)p—(CF2)q—CF3  Formula Iin-line-formulae description="In-line Formulae" end="tail"?andin-line-formulae description="In-line Formulae" end="lead"?R1—(CF2CF2)m—O—(R2R2O)n—(R2O)p—(CF2)q—CF3—R1  Formula II.in-line-formulae description="In-line Formulae" end="tail"?

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patent: 2003/0232945 (2003-12-01), Pickering et al.
patent: 2003/0234837 (2003-12-01), Pan et al.

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