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Method for conducting and blackening continuous non-metal strip

A non-metallic, conductive technology, applied in the direction of metal material coating process, fiber treatment, electrical components, etc., can solve the problems of decreased conductivity and aesthetics, easy oxidation and discoloration of the surface, poor decoration, etc., to achieve beautiful decorative effects, Good wear and corrosion resistance, high hardness

Pending Publication Date: 2022-06-03
WUZHOU HGP ADVANCED MATERIALS TECH CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] At present, in order to improve the electromagnetic shielding performance, microwave absorption performance, and electrical conductivity of conductive sponges used for electromagnetic shielding and wave absorption, metal silver, metal copper, metal nickel, nickel-coated copper, nickel-copper-nickel are generally deposited on the surface of the sponge. conductive layer, but the above-mentioned conductive layer has the following disadvantages: the surface of the conductive layer of metal copper and metal silver is easy to oxidize and discolor, and its conductivity and aesthetics will soon decline; when using a nickel metal conductive layer to coat sponge or other metal conductive layers , the surface is silvery white, easy to be dirty, and poor in decoration, especially in some special occasions, such as electrical cooling vents or occasions that require materials to have certain light-absorbing and shading properties, it is very unsuitable

Method used

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  • Method for conducting and blackening continuous non-metal strip

Examples

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Comparison scheme
Effect test

Embodiment 1

[0022] A continuous polyester polyurethane foam sponge is used as the substrate. The average pore diameter of the selected sponge is 200 μm and the thickness is 0.5 mm. First, a layer of Ni is deposited on the substrate by vacuum magnetron sputtering technology as a conductive metal layer. The average thickness of the layer is 500 nm, and the process parameters used in the magnetron sputtering process are: the strip travel speed is 0.1 m / min, the target width per decimeter is 0.6 kilowatts, and the applied target power density is 0.6 kW. A Ni-Sn blackened conductive layer is formed on the conductive metal layer obtained by irradiating through an electrodeposition process, and the average thickness of the blackened conductive layer is 5 nm, thereby obtaining a continuous non-metallic strip with surface conductive and blackening treatment.

Embodiment 2

[0024] A continuous polyether polyurethane foam sponge is used as the substrate. The average pore diameter of the selected sponge is 1000 μm and the thickness is 7.0 mm. First, a layer of Ni-Cu alloy is deposited on the substrate by vacuum magnetron sputtering technology as a conductive metal layer. , the average thickness of the conductive metal layer is 300nm, the process parameters used in the magnetron sputtering process are: the strip speed is 10 m / min, the target power density applied per decimeter target width is 0.8 kW, and then the magnetic On the conductive metal layer obtained by controlled sputtering, a composite blackened conductive layer composed of two types of blackened conductive layers, Ni-Zn and Ni-Sn-S, was formed by two electrodeposition processes. The average thickness of the composite blackened conductive layer was 500 nm. Thereby, a continuous non-metallic strip with surface conductive and blackening treatment is obtained.

Embodiment 3

[0026] A continuous non-woven fabric is used as the substrate, and the thickness of the selected non-woven fabric is 0.02 mm. First, a layer of Cu is deposited on the substrate as a conductive metal layer by vacuum magnetron sputtering technology. The average thickness of the conductive metal layer is 50 nm. The process parameters used in the controlled sputtering process are: the speed of the strip is 20 m / min, the target power density applied per decimeter target width is 1 kilowatt, and then the conductive metal layer obtained by magnetron sputtering is passed through two The secondary electrodeposition process forms a composite blackened conductive layer composed of two types of blackened conductive layers, Ni-Cu-Sn and Ni-Zn-S, and the average thickness of the composite blackened conductive layer is 300nm, thereby obtaining a surface conductive and black conductive layer. Processed continuous non-metallic strip.

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Abstract

The invention discloses a method for conducting and blackening a continuous non-metal strip, which comprises the following steps of: plating a metal layer on the surface of the continuous non-metal strip serving as a matrix, and then depositing a blackened conducting layer to obtain a black continuous conducting non-metal strip. The strip has excellent conductivity, light absorption and extinction performance, heat absorption and dissipation performance, friction resistance, corrosion resistance and electromagnetic shielding and wave-absorbing efficiency, and has great application value in the field of electromagnetic shielding and wave-absorbing materials.

Description

[0001] This application is a divisional application for an invention patent with an application date of January 20, 2016, an application number of 201610037091.5, and an invention title of "A Method for Conducting and Blackening of Continuous Non-metallic Strips". technical field [0002] The invention relates to the field of electromagnetic shielding and wave absorbing material manufacturing, in particular to a method for conducting and blackening treatment of continuous non-metallic strips. Background technique [0003] With the rapid development of science and technology, electromagnetic waves are widely used in various fields such as electronics, household appliances, communication tools, computer equipment, information equipment, power tools, aerospace industry, medical care and technology. With the rise of a large number of emerging industries (such as electronics, communications, and transportation industries, etc.), electronic and electrical products such as automobil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C28/02H05K9/00D06M11/83C23C14/20C23C14/35C25D7/06C25D5/10C25D5/56
CPCH05K9/0081C23C28/021D06M11/83C23C14/205C23C14/35C25D7/0614C25D5/10C25D5/56C25D5/627Y02P70/50
Inventor 吴天和韦雁途王偶施普宁李承洪李钊秦锦波穆俊江
Owner WUZHOU HGP ADVANCED MATERIALS TECH CORP