Ink for inkjet printing zirconia insulating layer and preparation method thereof

A technology of inkjet printing and zirconia, which is applied in ink, applications, household appliances, etc., can solve the problems of poor inkjet state and pattern forming effect, low solvent viscosity, low overall viscosity, etc.

Active Publication Date: 2020-10-27
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this solution has exposed many problems when applied to inkjet printing
First of all, the ink used for printing must be a slow-drying solution, and the solvent ethylene glycol methyl ether of the above solution has a low boiling point and vapor pressure, and the ink droplets are often solidified before they can fuse into a whole pattern during printing. ;In addition, the overall viscosity of the solution is low due to the low viscosity of the solvent, and its inkjet state and pattern forming effect are not good when applied to printing

Method used

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  • Ink for inkjet printing zirconia insulating layer and preparation method thereof
  • Ink for inkjet printing zirconia insulating layer and preparation method thereof
  • Ink for inkjet printing zirconia insulating layer and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0038] 1. Drug and reagent preparation

[0039] Raw material preparation for solution preparation: zirconium oxychloride octahydrate, analytically pure, content ≥99.0%, Shanghai Runjie Chemical Reagent Co., Ltd.; ethylene glycol methyl ether, analytically pure, content ≥99.0%, Tianjin Fuyu Fine Chemical Co., Ltd. ; Polyethylene glycol 200, chemically pure, molecular weight 190-210, Shanghai Runjie Chemical Reagent Co., Ltd.; ethylene glycol, analytically pure, content ≥ 99.0%, Shanghai Runjie Chemical Reagent Co., Ltd.

[0040] 2. Base and container cleaning

[0041] Finger bottle cleaning: unscrew the bottle cap of the finger bottle to be washed, sink it into a large beaker filled with isopropanol, and put the bottle cap together. It should be noted that the bottle must be completely filled with isopropanol, and no Bubbles, then ultrasonic (53kHz) vibration for 15min, then deionized water and the same ultrasonic (53kHz) vibration for 15min. Care should be taken to avoid con...

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PUM

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Abstract

The invention discloses an ink-jet printing ink for a zirconia insulating layer and a preparation method thereof. The ink comprises a solute and a solvent. The solute is zirconium oxychloride. The solvent is ethylene glycol methyl ether, glycol, and polyethylene glycol. The ink is prepared by dissolving zirconium oxychloride into the mixed solvent of ethylene glycol methyl ether, glycol, and polyethylene glycol, evenly stirring the solution, and aging the solution. Glycol and polyethylene glycol are introduced into the ink, the boiling point and viscosity of the solution is increased, at the same time, the dissolution of zirconium oxychloride is not influenced, and the prepared system is stable and is more suitable for ink-jet printing.

Description

technical field [0001] The invention belongs to the field of flat panel display, in particular to an ink for inkjet printing zirconia insulating layer and a preparation method thereof. Background technique [0002] Existing solution methods for processing insulating layers mainly include spin coating, inkjet printing, and roll-to-roll. Among them, the spin coating process has been widely used in scientific research because of its simple process and excellent film quality. A solution commonly used in the spin coating process is to dissolve zirconium oxychloride in ethylene glycol methyl ether to form a metal hydroxide as a precursor, use the solution to spin coat and heat to remove the solvent, and at the same time the metal hydroxide is polymerized and oxidized. A metal-oxygen-metal structure is formed, and finally a zirconia film is formed. The above solutions have been successfully applied in the spin-coating process and have been reported in many literatures. However, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D11/38C09D11/36
CPCC09D11/36C09D11/38
Inventor 宁洪龙朱镇南姚日晖蔡炜魏靖林邹建华陶洪徐苗王磊彭俊彪
Owner SOUTH CHINA UNIV OF TECH
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