Title:
NOZZLE PLATE, NOZZLE PLATE MANUFACTURING METHOD, AND INKJET HEAD
Document Type and Number:
WIPO Patent Application WO/2021/019693
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing: a nozzle plate exhibiting excellent abrasion resistance, alkali ink resistance, liquid repellency on the surface of the nozzle plate when ink is jetted; a manufacturing method for said nozzle plate; and an inkjet head provided with said nozzle plate. An inkjet head according to the present invention comprises a nozzle plate having, on a substrate, at least a ground layer, an intermediate layer, and a liquid repellent layer, and is characterized in that the ground layer contains a silane coupling agent A having reactive functional groups at both terminals and including a hydrocarbon chain and a benzene ring at an intermediate part, that the intermediate layer contains an inorganic oxide, and that the liquid repellent layer contains a coupling agent B having fluorine (F).
Inventors:
YAMADA AKIHISA (JP)
Application Number:
PCT/JP2019/029871
Publication Date:
February 04, 2021
Filing Date:
July 30, 2019
Export Citation:
Assignee:
KONICA MINOLTA INC (JP)
International Classes:
B41J2/14; B41J2/16
Domestic Patent References:
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See also references of EP 4005801A4
MATERIALS TECHNOLOGIES, vol. 16, no. 5, 1998, pages 209
COLLECT. CZECH. CHEM. COMMUN., vol. 44, pages 750 - 755
J. AMER. CHEM. SOC., vol. 112, 1990, pages 2341 - 2348
INORG. CHEM., vol. 10, 1971, pages 889 - 892
See also references of EP 4005801A4
Attorney, Agent or Firm:
KOYO INTERNATIONAL PATENT FIRM (JP)
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