Preparation method of transparent electro-conductive nano silver wire printing ink and transparent electro-conductive membrane
A technology of transparent conductive and nano-silver wires, which is applied in the field of nano-wires, can solve the problems of unsatisfactory process requirements, large square resistance of conductive coatings, and increased production costs, and achieve easy control of production processes, low production costs, and good transparency Effect
Inactive Publication Date: 2015-12-23
南昌来捷尔新材料技术有限公司
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Problems solved by technology
[0004] At present, the preparation technology of nano-silver wire transparent conductive ink either adopts a primer first, then presses the nano-silver wire layer, and then uses top coating protection, or directly presses the nano-silver wire layer, and then uses top-coating for protection. The advanced technology makes the process more complicated, and at the same time greatly increases the production cost, and after the top coating protective ...
Method used
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Embodiment 1-5 and comparative example 1-6
[0038] Prepare materials according to the formula in Table 1, mix them evenly, and prepare transparent inks, wherein the parameters of PEDOT / PSS used in Examples and Comparative Examples are listed in Table 2.
[0039] Transparent conductive film according to the following method: apply the ink evenly on the flexible transparent substrate, dry the ink, the wet film thickness of the ink layer is 8-15 microns; Sintering in medium for 5 minutes, a flexible transparent conductive film can be obtained.
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Abstract
The invention discloses a transparent electro-conductive nano silver wire printing ink that can be painted to form a single layer. The printing ink is composed of the following components in parts by weight: 10 parts of poly(3,4-ethylenedioxy thiophene)-poly(styrene sulfonic acid), 1 to 2 parts of stabilizing agent, 100 parts of surfactant, 0 to 15 parts of mixed solvent, and 50 to 200 parts of deionized water, wherein in poly(3,4-ethylenedioxy thiophene)-poly(styrene sulfonic acid), the weight ratio of poly(3,4-ethylenedioxy thiophene) to poly(styrene sulfonic acid) is 1:(2-8). The printing ink is evenly painted on a soft transparent substrate, then the printing ink is dried, the wet membrane thickness of the printing ink layer is 8 to 15 millimeters, and then the soft transparent substrate covered by the printing ink is sintered for 5 minutes at a temperature of 160 DEG C so as to obtain the soft transparent electro-conductive membrane, which has the advantages of low sheet resistance and high transparency.
Description
technical field [0001] The invention relates to the field of nano wires, in particular to a single-layer coating transparent conductive nano silver wire ink and a method for preparing a transparent conductive film. Background technique [0002] Transparent conductive film is a kind of film that can conduct electricity and has high transparency in the visible light range, mainly including metal film system, oxide film system, other compound film system, polymer film system, composite film system, etc. The metal film system has good electrical conductivity, but poor transparency. The semiconductor film series is just the opposite, with poor conductivity and high transparency. [0003] ITO is currently the most widely used transparent electrode material, used in flat panel display, touch screen, PDP display and related technologies. But the material is brittle, requires high temperatures, and is expensive, mainly because it needs to grow scarce indium on the surface. It is d...
Claims
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IPC IPC(8): C09D11/52C09D11/102C09D11/03H01B13/00H01B5/14
Inventor 仲伟胜
Owner 南昌来捷尔新材料技术有限公司
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