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Transparent conductive film having piezoelectric effect and preparation method thereof

A transparent conductive film, piezoelectric effect technology, applied in cable/conductor manufacturing, conductive layer on insulating carrier, piezoelectric device/electrostrictive device, etc. Folding and other problems to achieve the effect of increasing the application range, reducing the electrical resistance value, and increasing the adhesion

Inactive Publication Date: 2019-05-07
SHENZHEN HUAKE COMM TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the existing piezoelectric film materials are polyvinylidene fluoride (PVDF), which has high resistance and is not resistant to bending, which limits its application range

Method used

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  • Transparent conductive film having piezoelectric effect and preparation method thereof
  • Transparent conductive film having piezoelectric effect and preparation method thereof
  • Transparent conductive film having piezoelectric effect and preparation method thereof

Examples

Experimental program
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Effect test

preparation example Construction

[0032] The present invention also provides a preparation method of a transparent conductive film with piezoelectric effect, comprising the following steps:

[0033] (1) Silver nanowire 0.1-0.5wt%, adhesive 0.5-1.0wt%, leveling agent 0.1-0.5wt%, surfactant 0.05-0.1wt%, antioxidant 0.001-0.005wt% and ultrapure Water is added into the blender for defoaming and uniform mixing to obtain the first mixture;

[0034] (2) 1-5 parts of acrylic resin, 0.5-2 parts of photoinitiator, 0.1-0.5 parts of leveling agent, SiO 2 Stirring and mixing 0.01-0.05 parts of nanoparticles and 80-90 parts of organic solvents to obtain a second mixture;

[0035] (3) coat the first mixture on the base film, and bake and solidify to obtain the nano-silver conductive layer;

[0036] In some embodiments of the present invention, the coating speed is 8-12 m / min, the curing temperature is 100-150° C., and the curing time is 80-120 s. Preferably, the coating speed is 10 m / min, the curing temperature is 120° C....

Embodiment 1

[0044] A preparation method of a transparent conductive film with piezoelectric effect, comprising the following steps:

[0045] (1) Add 0.5wt% of silver nanowires, 1.0wt% of adhesive, 0.5wt% of water-based leveling agent BYK-333, 0.1wt% of polyvinylpyrrolidone, 0.005wt% of antioxidant and 97.895wt% of ultrapure water to Degassing and mixing uniformly in a mixer to obtain the first mixture;

[0046] (2) 5 parts of acrylic resin, 1.8 parts of photoinitiator, 0.3 parts of water-based leveling agent BYK-333, SiO 2 0.05 parts of nanoparticles and 90 parts of organic solvent were stirred and mixed to obtain the second mixture;

[0047] (3) Coating the first mixture on the PET base film, the coating speed is 10m / min, and baking and curing, the curing temperature is 120°C, and the curing time is 100s to obtain the nano-silver conductive layer;

[0048] (4) Coating the second mixture on the nano-silver conductive layer, the coating speed is 4m / min, and curing by baking, the curing t...

Embodiment 2

[0050] A preparation method of a transparent conductive film with piezoelectric effect, comprising the following steps:

[0051] (1) Add 0.4wt% silver nanowire, 0.8wt% adhesive, 0.4wt% aqueous leveling agent BYK-333, 0.08wt% sodium benzenesulfonate, 0.004wt% antioxidant and 98.316wt% ultrapure water Degassing and mixing uniformly in a blender to obtain the first mixture;

[0052] (2) 3 parts of acrylic resin, 0.5 parts of photoinitiator, 0.1 part of water-based leveling agent BYK-333, SiO 2 0.03 parts of nanoparticles and 85 parts of organic solvent were stirred and mixed to obtain the second mixture;

[0053] (3) Coating the first mixture on the PET base film, the coating speed is 8m / min, and baking and curing, the curing temperature is 100°C, and the curing time is 80s to obtain the nano-silver conductive layer;

[0054] (4) Coating the second mixture on the nano-silver conductive layer, the coating speed is 3m / min, and baking and curing, the curing temperature is 100°C, t...

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Abstract

The invention relates to the field of conductive materials, in particular to a transparent conductive film having a piezoelectric effect and a preparation method thereof. The transparent conductive film comprises a base film and a nano silver conductive layer and an OC protective layer which are sequentially coated on the surface of the base film, and the raw materials of the nano silver conductive layer include silver nanowires, an adhesive, a leveling agent, a surfactant, and an antioxidant and ultrapure water; the OC protective layer comprises acrylic resin, a photoinitiator, a leveling agent, SiO2 nanoparticles and an organic solvent. The silver nanowires are taken as raw materials for preparation of the conductive layer, the silver nanowires can reduce the conductive resistance valueof the conductive film and can improve the wear resistance and bending property. The conductive layer is coated with the OC protective layer to facilitate improvement of the transmittance of the conductive film, the SiO2 nanoparticles are added in the OC protective layer to allow the OC protective layer to have a piezoelectric effect. The conductive film is high in bending resistance, low in square resistance and long in service life while having the piezoelectric effect.

Description

technical field [0001] The invention relates to the field of conductive materials, in particular to a transparent conductive film with piezoelectric effect and a preparation method thereof. Background technique [0002] The piezoelectric effect means that when certain dielectrics are deformed by external forces in a certain direction, polarization will occur inside, and at the same time, opposite positive and negative charges will appear on its two opposite surfaces. When the external force is removed, it will return to the uncharged state. This phenomenon is called the positive piezoelectric effect. When the direction of the force changes, the polarity of the charge also changes. On the contrary, when an electric field is applied in the polarization direction of the dielectric, these dielectrics will also deform. After the electric field is removed, the deformation of the dielectric will disappear. This phenomenon is called the inverse piezoelectric effect. A type of sens...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B5/14H01B13/00H01L41/08H10N30/00
CPCH01B5/14H01B13/00H10N30/00
Inventor 陆华俊曾西平靳世东李晓明
Owner SHENZHEN HUAKE COMM TECH CO LTD
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