Ink jet recording head having surface treatment layer and record

Details Ink jet recording head having surface treatment layer and record Ink jet recording head having surface treatment layer and record

1990-04-24

1991-05-21

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

428422, 428448, B41J 214, B41J 205

Patent

active

050179462

ABSTRACT:
An ink jet recording head having ink-liquid-repellent surface treatment portions close to the discharging ports, wherein said ink-liquid-repellent treatment surface portions are formed by polymerizing and curing a composition containing a fluorine type polymer with a molecular weight of 2,000 or more which is insoluble in water and soluble in organic solvent and a polyfunctional monomer and/or a polyfunctional oligomer having two or more (meth)acryloyl groups in the molecule through a silane coupling agent.

REFERENCES:
patent: 3886865 (1975-06-01), Ohto
patent: 4368476 (1983-01-01), Uehara
patent: 4600651 (1986-07-01), Aufdermarsh
patent: 4643948 (1987-02-01), Diaz
Shih, Peter T. K.; Antiwetting Organosilanes and Composite Films for Ink Jet Nozzles; Xerox Disc Jr., .sup.V 7N5 S/0 1982, p. 321.

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