Method for manufacturing silver-plated conductive fiber

A technology of silver-plated conductive fibers and production methods, which is applied in fiber treatment, textile and papermaking, physical treatment, etc., can solve the problems of poor hand feeling, inconvenient operation, and inability to clean, and achieve good conductivity, soft hand feeling and low cost. Effect

Inactive Publication Date: 2011-05-11
TIANNUO PHOTOELECTRIC MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this method avoids the waste liquid treatment problem of electroless plating, its own process is complicated and the operation is inconvenient.
Furthermore, this method cannot form a good me

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] The base fiber adopts chemical fiber fabric

[0024] (1). Take the chemical fiber fabric, with a thickness of 0.075mm, a width of 1000mm, and a length of 1000m;

[0025] (2).Then the rolled chemical fiber fabric is subjected to plasma pretreatment, the gas used is argon, the vacuum pressure is 20Pa, the plasma discharge power is 30W, and the chemical fiber fabric moving speed is 50m / min;

[0026] (3). Soak the chemical fiber fabric after the plasma treatment in the analytically pure silver nitrate solution and stir, the concentration of silver nitrate is 20g / L, and the soaking time under stirring is 60min;

[0027] (4) Finally, hydrogen plasma is used to reduce the silver ions in the chemical fiber fabric. The plasma discharge power is 30W, the vacuum pressure is 300Pa, and the moving speed of the substrate is 0.5m / min, and it is reduced to a silver coating with a thickness of 50 angstroms.

Embodiment 2

[0029] The base fiber adopts chemical fiber fabric

[0030] (1). Take the chemical fiber fabric, with a thickness of 0.075mm, a width of 1000mm, and a length of 500m for rolling;

[0031] (2). Then carry out plasma pretreatment to the rolled chemical fiber fabric, the gas used is argon, the vacuum pressure is 300Pa, the plasma discharge power is 500W, and the chemical fiber fabric moving speed is 0.5m / min;

[0032] (3). Soak the chemical fiber fabric after the plasma treatment in the analytically pure silver nitrate solution and stir, the concentration of silver nitrate is 500g / L, and the soaking time under stirring is 5min;

[0033] (4) Finally, hydrogen plasma is used to reduce the silver ions in the chemical fiber fabric. The plasma discharge power is 500W, the vacuum pressure is 20Pa, the substrate moving speed is 50m / min, and the reduction into a silver coating with a thickness of 5000 angstroms.

Embodiment 3

[0035] The base fiber adopts chemical fiber fabric

[0036] (1). Take the chemical fiber fabric, with a thickness of 0.075mm, a width of 1000mm, and a length of 500m for rolling;

[0037] (2). Then carry out plasma pretreatment to the chemical fiber fabric after rolling, the gas used is argon, the vacuum pressure is 150Pa, the plasma discharge power is 250W, and the chemical fiber fabric moving speed is 25m / min;

[0038] (3). Immerse the chemical fiber fabric after the plasma treatment in an analytically pure silver nitrate solution and stir, the concentration of silver nitrate is 250g / L, and the soaking time under stirring is 30min;

[0039] (4) Finally, hydrogen plasma is used to reduce the silver ions in the chemical fiber fabric. The plasma discharge power is 250W, the vacuum pressure is 150Pa, and the moving speed of the substrate is 25m / min.

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Abstract

The invention provides a method for manufacturing a silver-plated conductive fiber. The method comprises the following steps of: a, performing plasma treatment on a fiber base material by using gas, and controlling discharge power of plasma to be 30 to 500W, vacuum air pressure to be 20 to 300 Pa, and the movement speed of the base material to be 0.5 to 50 m/min; b, placing the fiber base material which is subjected to plasma treatment in 20 to 500 g/L silver nitrate solution, and soaking for 5 to 60 minutes with stirring; c, performing plasma treatment on the fiber base material which is treated by the silver nitrate solution by using reduction gas, controlling the ion discharge power to be 30 to 500 W, vacuum air pressure to be 20 to 300 Pa and the movement speed of the base material to be 0.5 to 50 m/min, and reducing to form a silver-plated film; or controlling the movement speed of the fiber base material which is treated by the silver nitrate solution to be 0.5 to 50 m/min in a reduction gas furnace at the temperature of between 20 and 150 DEG C and under the air pressure of 20 to 300 Pa, and reducing to form the silver-plated film.

Description

Technical field: [0001] The invention relates to the technical fields of materials, microelectronics, electronics and electric engineering, in particular to a method for making silver-plated conductive fibers. Background technique: [0002] Silver has good thermal conductivity, electrical conductivity, chemical stability and ductility, and has the functions of sterilization and water purification. The silver layer is bright and uniform, and has good decoration. Therefore, it is widely used in electromagnetic shielding, medical equipment, and electronics industry. , decorative materials and other fields. [0003] At present, the production methods of silver-plated conductive fibers mainly include the following: 1) traditional electroplating method: this method needs to waste a lot of power resources and seriously pollutes the environment, and the fiber itself is not conductive, and it needs to be metallized 2) Vacuum magnetron sputtering method, this method has expensive equ...

Claims

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Application Information

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IPC IPC(8): D06M10/06D06M11/83
Inventor 余凤斌朱焰焰丁强
Owner TIANNUO PHOTOELECTRIC MATERIAL
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