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Sheet material, metal mesh and method for manufacturing thereof

A manufacturing method, technology of metal mesh, applied in the direction of printed circuit manufacturing, metal layered products, chemical instruments and methods, etc., can solve problems such as invisibility

Active Publication Date: 2019-02-05
TDK CORPARATION +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Compared with conventional transparent conductive films such as ITO (Indium Tin Oxide), the metal mesh is superior in that it can achieve cost reduction and low resistance. In the case of use, sometimes invisibility becomes a problem compared to ITO

Method used

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  • Sheet material, metal mesh and method for manufacturing thereof
  • Sheet material, metal mesh and method for manufacturing thereof
  • Sheet material, metal mesh and method for manufacturing thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0089] 1.5 mmol of anionic surfactant PELEX OT-P (manufactured by Kao Corporation, trade name), 50 ml of toluene, and 100 ml of ion-exchanged water were added, and the mixture was kept at 20°C with stirring to obtain an emulsion. 21.2 mmol of pyrrole monomer was added to the obtained emulsion, and after stirring for 1 hour, 6 mmol of ammonium persulfate was added and polymerization reaction was performed for 2 hours. After the reaction, the organic layer was recovered and washed several times with ion-exchanged water to obtain polypyrrole particles having an average particle diameter of 40 nm dispersed in toluene.

[0090] Add 5 parts by mass of binder SUPER BECKAMINE J-820 (manufactured by DIC Corporation, trade name) to 1 part by mass of the obtained polypyrrole particles to prepare a resin composition (mass ratio of binder to polypyrrole particles =5:1). The obtained resin composition was coated on a PET film (manufactured by Toyobo Co., Ltd., trade name: COSMOSHINE A4100)...

Embodiment 2

[0093] A sheet was obtained in the same manner as in Example 1 except that the time for immersion in the electroless plating solution tank containing nickel ions was set to 30 seconds.

Embodiment 3

[0095] A sheet was obtained in the same manner as in Example 1 except that the time for immersion in the electroless plating bath containing nickel ions was set to 40 seconds.

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Abstract

A sheet material includes a resin layer (4) containing a binder (2) and polypyrrole particles (3), an electroless plating film (7) provided on the side of one main surface (4a) of the resin layer (4)and including first electroless plating films (5) and a second electroless plating film (6), and a transparent base material (8) provided on the side of the other main surface (4b) of the resin layer(4). At least part of the polypyrrole particles (3) has an exposure surface (3a) exposed from the main surface (4a) of the resin layer (4), and the exposure surface (3a) is dispersed at the main surface (4a) of the resin layer (4). The first electroless plating films (5) are arranged at the main surface surface (4a) of the resin layer (4) in a mode round the exposure surfaces (3a) of the polypyrrole particles (3). The second electroless plating film (6) is arranged in a mode of covering the first electroless plating films (5), and the main surface (6a) of the second electroless plating film (6) as a recess portion (6r) corresponding to the first electroless plating films (5).

Description

technical field [0001] The present invention relates to sheets, metal meshes and methods for their manufacture. Background technique [0002] In recent years, attempts have been made to develop metal meshes in which fine wiring of metals such as copper and silver are patterned into a mesh shape as members for electrodes used in electronic components such as touch panels. [0003] Compared with conventional transparent conductive films such as ITO (Indium Tin Oxide), the metal mesh is superior in that it can achieve cost reduction and low resistance. In the case of using it, invisibility sometimes becomes a problem compared with ITO. [0004] As a metal mesh whose invisibility is improved, a metal mesh composed of a copper layer and a blackened metal layer is known. For example, as the blackened metal layer, Patent Documents 1 and 2 disclose a metal mesh using a metal oxide whose corrosion rate is slower than copper, or a metal mesh using a zinc layer. [0005] In addition...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C18/16C23C18/20C23C18/30C23C18/31
CPCC23C18/1641C23C18/165C23C18/1689C23C18/2006C23C18/30C23C18/31C23C18/1603C23C18/1651C23C18/32C23C18/38G06F2203/04103C23C18/2066C23C18/2086H05K3/181H05K2201/10106B32B15/00G06F2203/04112H05K1/0373H05K3/06H05K2201/09681H05K2201/10151H05K2203/0307H05K2203/072
Inventor 折笠诚堀川雄平上林义广阿部寿之芦泽弘树森美穗田村美咲
Owner TDK CORPARATION
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