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Preparation method of high-temperature-resistant silver conductive film

A conductive film, high temperature resistant technology, used in cable/conductor manufacturing, circuits, electrical components, etc., can solve the problem of high temperature resistance of resin, achieve the effect of good bonding force, reduce light scattering, and broad application prospects

Active Publication Date: 2015-12-16
上海巨尔希电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a preparation of high temperature resistant silver conductive film, to solve the problem that the resin used in the film is not resistant to high temperature

Method used

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  • Preparation method of high-temperature-resistant silver conductive film

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Embodiment

[0021] PET was used as the substrate. Tear off the protective film on the new substrate, put it into acetone and ethanol and sonicate it for 5 minutes respectively. Then dry it with an infrared oven lamp. Then put it into the plasma cleaner and vacuum clean it for 5 minutes;

[0022] On the processed substrate, a layer of 5% polybenzimidazole adhesive was coated with a Gardco Automatic Drawdown Machine DP8301 sheet coating machine. Then, it was first baked with an infrared baking lamp for 5 minutes, and then dried in a vacuum oven at 150° C. for 10 minutes under vacuum. Obtain a bonding layer with a thickness of about 300nm;

[0023] Coat a layer of silver nanowire solution on the bonding layer, first bake it with an infrared baking lamp for 3 minutes, and then dry it in a vacuum oven at 110° C. for 10 minutes in vacuum to obtain a silver nanowire network with a thickness of about 200 nm. The silver nanowire ink is homemade. The diameter of the silver nanowire is between ...

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Abstract

The invention discloses a preparation method of a high-temperature-resistant silver conductive film. The preparation method comprises: carrying out cleaning, drying and plasma processing on a substrate; coating a heterocyclic-ring high-molecular binder on the substrate and carrying out drying; coating silver-nanowire conductive ink on a bonding layer and carrying out drying to obtain a silver conductive network; ad coating the heterocyclic-ring high-molecular binder on the conductive network and carrying out drying to obtain a novel conductive film. According to the conductive film, with the novel heterocyclic-ring high-molecular binder, performances including the high-temperature resistance, conductivity, light transmittance, and haze degree are optimized; and thus the conductive film is suitable for an electronic information field.

Description

technical field [0001] The invention belongs to the technical field of transparent conductive films, and in particular relates to the preparation of a high-temperature-resistant silver conductive film. Background technique [0002] Silver nanowire conductive film has become an ideal conductive film in the field of electronic information such as touch screens and displays due to its excellent electrical and thermal conductivity and light transmittance. At present, the common preparation steps of silver nanowire conductive film are: (1) coating a layer of primer adhesive on the substrate, drying; (2) coating silver nanowire conductive ink on the substrate, drying Finally, the silver conductive network is obtained; (3) the top coating protective layer is coated on the silver conductive network, and the silver nanowire conductive film is obtained after drying. Common primer binders are epoxy resin, acrylate resin, acrylic resin, polyester resin, polyamide resin, polyurethane re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B13/00
Inventor 程江陈善勇李璐刘碧桃金容
Owner 上海巨尔希电子科技有限公司