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Nano-silver flexible conductive membrane and preparation method thereof

A silver flexible, conductive film technology, applied in conductive coatings, cable/conductor manufacturing, conductive layers on insulating carriers, etc., can solve the problems of high energy consumption, uneven surface conductivity, and high cost

Active Publication Date: 2014-08-20
杨佳雯
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Inadequacies of the existing process: 1. High energy consumption and high cost; 2. Uneven surface conductivity of the film; 3. Low transparency; 4. Low production yield

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0073] A kind of nano-silver flexible conductive film, comprises the PET substrate layer of corona treatment on the surface, and the PET substrate layer surface is provided with conductive coating layer, and conductive coating layer comprises the raw material of following percentage by weight:

[0074] Absolute Ethanol 50%

[0075] Acetyl Tributyl Citrate 3%

[0076] Silicone oil 7

[0077] Polyethylene glycol 400 5%

[0078] Terpineol 5%

[0079] Division 85 3%

[0080] Ethyl cellulose 3%

[0081] 30nm silver powder 6

[0082] 200nm silver powder 18%.

[0083] A method for preparing a nano-silver flexible conductive film, comprising the following process steps:

[0084] (1) Material selection: select a PET substrate with a corona-treated surface with a light transmittance of 92% and a thickness of 250 μm;

[0085] (2) Preparation of conductive coating: Weigh the above-mentioned raw materials according to the proportion, put the above-mentioned nano-silver powder in an...

Embodiment 2

[0089] A kind of nano-silver flexible conductive film, comprises the PET substrate layer of corona treatment on the surface, and the PET substrate layer surface is provided with conductive coating layer, and conductive coating layer comprises the raw material of following percentage by weight:

[0090] Absolute Ethanol 60%

[0091] Acetyl Tributyl Citrate 2%

[0092] Acrylic glue 5%

[0093] Polyethylene glycol 400 3%

[0094] Terpineol 3%

[0095] Span 85 2.5%

[0096] Ethylcellulose 2.5%

[0097] 20nm silver powder 6%

[0098] 150nm silver powder 16%.

[0099] A method for preparing a nano-silver flexible conductive film, comprising the following process steps:

[0100] (1) Material selection: select a PET substrate with a corona-treated surface with a light transmittance of 93% and a thickness of 200 μm;

[0101](2) Preparation of conductive coating: Weigh the raw materials of the above formula in proportion, put the nano-silver powder in an oven at 100°C for 22 min...

Embodiment 3

[0105] A kind of nano-silver flexible conductive film, comprises the PET substrate layer of corona treatment on the surface, and the PET substrate layer surface is provided with conductive coating layer, and conductive coating layer comprises the raw material of following percentage by weight:

[0106] Absolute Ethanol 70%

[0107] Acetyl Tributyl Citrate 1%

[0108] Silicone oil 3%

[0109] Macrogol 400 1.5%

[0110] Terpineol 2%

[0111] Division 85 2%

[0112] Ethylcellulose 1.5%

[0113] 25nm silver powder 4%

[0114] 300nm silver powder 15%.

[0115] A method for preparing a nano-silver flexible conductive film, comprising the following process steps:

[0116] (1) Material selection: select a PET substrate with a corona-treated surface with a light transmittance of 94% and a thickness of 180 μm;

[0117] (2) Preparation of conductive coating: Weigh the raw materials of the above formula in proportion, put the nano-silver powder in an oven at 100°C for 24 minutes t...

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Abstract

The invention relates to the technical field of conductive membranes, particularly to a nano-silver flexible conductive membrane and a preparation method thereof. The nano-silver flexible conductive membrane comprises a PET substrate layer, wherein corona treatment is performed on the surface of the PET substrate layer; a conductive coating layer which is arranged on the surface of the PET substrate layer comprises the following raw materials in percentage by weight: 50-75% of absolute ethyl alcohol, 2-5% of terpilenol, 1-3% of acetyl tributyl citrate, 2-8% of joint cement, 1-5% of polyethylene glycol 400, 2-3% of span 85, 1.5-3% of ethyl cellulose, 3-8% of silver powder of 20-40 nanometers, and 10-18% of silver powder of 150-450 nanometers. The nano-silver flexible conductive membrane, provided by the invention, has the characteristics of stable surface conductivity of the formed film, low resistivity, high light transmittance and strong adhesive force. The preparation process of the nano-silver flexible conductive membrane is simple and mature, coating equipment is simple, the operation is convenient, the cost is low, and the nano-silver flexible conductive membrane facilitates popularization and application.

Description

technical field [0001] The invention relates to the technical field of conductive films, in particular to a nano-silver flexible conductive film and a preparation method thereof. Background technique [0002] At present, the industrial production of transparent conductive films is still dominated by oxides. Oxide transparent conductive films are widely used as transparent electrodes in flat-panel displays and solar energy due to their excellent photoelectric properties, such as low resistivity and high visible light transmittance. Batteries, touch screens, heatable glass windows, etc. At present, ITO (tin-doped indium oxide) thin film is the most widely used in practice, and its target preparation and film formation process are relatively mature. However, due to the In 2 0 3 The price is expensive, the cost is high, and indium is highly toxic, which will be harmful to the human body during preparation and application; in addition, the atomic weights of Sn and In are large...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J7/04B05D7/04B05D3/14C09D5/24H01B5/14H01B13/00
Inventor 陈克勇朱文峰杨忠芝吴建海
Owner 杨佳雯
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