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Method for reducing yellowness of silver nanowire transparent conductive film through changing plasma resonance intensity

A technology of plasma resonance and transparent conductive film, which is applied in the direction of equipment, circuits, and electrical components used to manufacture conductive/semiconductive layers, and can solve problems such as inability to carry out industrial production, hazards to production personnel, and poor safety in use. The method is simple, the waterproof and aging resistance are good, and the effect of solving the yellowish effect

Active Publication Date: 2018-07-31
合肥微晶材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method is to coat the hydrazine hydrate aqueous solution dilution on the surface of the conductive layer. According to the conductive film of different square resistance, the requirements on the concentration of hydrazine hydrate and the coating speed are strict. Color correction effect; at the same time, hydrazine hydrate is easy to smoke in the air, has an ammonia smell, and can form an azeotrope with water under certain conditions, which is harmful to production personnel, poor in use safety, and cannot be used for industrial production

Method used

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  • Method for reducing yellowness of silver nanowire transparent conductive film through changing plasma resonance intensity
  • Method for reducing yellowness of silver nanowire transparent conductive film through changing plasma resonance intensity
  • Method for reducing yellowness of silver nanowire transparent conductive film through changing plasma resonance intensity

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] (1) Add 8.32kg of water and 1.663kg of ethanol into the dispersion tank, mechanically disperse uniformly, then add 10g of film-forming resin Codif 2061, 0.2g of dispersant DISPERBYK-191, and 0.2g of leveling agent in sequence 0.2g defoamer Foamex 805-N and 0.25g tannic acid were mechanically stirred uniformly, then 5g nano-silver wire 1 was added, and the stirring was continued to obtain the improved conductive ink;

[0038] The conductive ink was coated on the surface of PET by dimple coating process, and dried at 120°C for 30s to form a conductive layer.

[0039] (2) Add 3.26kg of acetone, 3.26kg of ethyl acetate, and 3.26kg of n-propanol into the dispersion tank to disperse uniformly, then add 200g of resin AgiSyn 230A2, 8g of photoinitiator 2-hydroxy-2-methyl-1-phenyl Acetone (1173), 2g photoinitiator isopropylthioxanthone (ITX), 2g leveling agent BYK-333 and 2g phenolic compound 3,5,7,3′,4′-pentahydroxybrass, continue stirring Homogeneous, the protective layer ...

Embodiment 2

[0042] (1) Add 8.32kg of water and 1.663kg of ethanol into the dispersion tank, mechanically disperse uniformly, then add 10g of film-forming resin X-PU699, 0.2g of dispersant in sequence 0.2g leveling agent 0.2g of antifoaming agent Lucrafoam PDT and 0.3g of phenolic compound 3,4,5-trihydroxybenzoic acid were mechanically stirred uniformly, then 5g of nano-silver wire 1 was added, and the stirring was continued to obtain an improved conductive ink;

[0043] The conductive ink was coated on the surface of PET by dimple coating process, and dried at 120°C for 30s to form a conductive layer.

[0044] (2) Add 3.26kg of ethyl acetate, 3.26kg of ethylene glycol, and 3.26kg of butanone into the dispersion tank to disperse uniformly, then add 200g of resin AgiSyn 2421, 8g of photoinitiator 2-hydroxy-2-methyl-1-benzene Diethyl acetone (1173), 2g photoinitiator isopropylthioxanthone (ITX), 2g leveling agent BYK-333 and 2g phenolic compound 5,7-trihydroxy-2-(3,4,5-trihydroxy Phenyl)...

Embodiment 3

[0047] (1) Add 8.32kg of water and 1.663kg of ethanol into the dispersion tank, mechanically disperse uniformly, then add 10g of film-forming resin D-60A and 0.2g of dispersant in sequence 0.2g leveling agent 0.2g defoamer Foamex1488 and 0.35g phenolic compound 1,3,4,5-tetrahydroxycyclohexanecarboxylic acid-(3,4-dihydroxycinnamate), mechanically stirred uniformly, then added 5g nano silver wire 1, continued to stir uniformly, Prepare the improved conductive ink;

[0048] The conductive ink was coated on the surface of PET by dimple coating process, and dried at 120°C for 30s to form a conductive layer.

[0049] (2) Add 3.26kg ethyl acetate, 3.26kg butyl acetate, and 3.26kg cyclohexanone to the dispersion cylinder to disperse uniformly, then add 200g resin AgiSyn 236-G75, 8g photoinitiator 2-hydroxyl-2-methyl- 1-phenylacetone (1173), 2g photoinitiator isopropylthioxanthone (ITX), 2g leveling agent BYK-333 and 2g phenolic compound 2-hydroxy-4-methoxy-4'-methyl Benzophenon...

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Abstract

The invention discloses a method for reducing yellowness of a silver nanowire transparent conductive film through changing plasma resonance intensity. Water / alcohol soluble phenol is added in the conductive ink so as to be combined with the surface PVP of the silver nanowire by forming hydrogen bonds to suppress silver nanowire surface plasma resonance, and thus the yellowness value of the conductive film can be reduced. The protective layer containing the phenolic compound can also be further arranged on the conductive layer to form the hydrogen bonds with the remaining PVP on the surface ofthe silver nanowire so as to further reduce the yellowness value. With application of the method, the b* value of the obtained conductive film is reduced to 0.8 so that the problem of high yellownessvalue of the conductive film can be completely solved, and display has no chromatic aberration if the conductive film is manufactured into the display screen.

Description

technical field [0001] The invention relates to the display field, in particular to a method for reducing the yellowness of a nano-silver wire transparent conductive film. Background technique [0002] In recent years, with the rapid development and updating of electronic products, the demand for large-size and high-definition displays has continued to increase, such as smart blackboards, industrial monitors, outdoor displays and other large-size equipment, as well as solar cells, etc. The demand for transparent conductive films has exploded ; At the same time, the requirements for transparent conductive films are also constantly increasing, for example, large-scale equipment requires low square resistance, and the requirements for optical performance are gradually improved. [0003] At present, the transparent conductive film for industrial applications is mainly ITO (indium tin oxide), but with the continuous development of indium ore resources, indium resources are gradua...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B13/00
CPCH01B13/0026
Inventor 吕鹏张梓晗杨锦张运奇聂彪
Owner 合肥微晶材料科技有限公司
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