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Conductive coating composite

一种导电性、组合物的技术，应用在导电涂料、聚酯涂料、聚醚涂料等方向，能够解决材料昂贵、电磁遮蔽效果限制、制程费用昂贵等问题，达到高全光线透过率、制作成本低廉、低表面电阻率的效果

Inactive Publication Date: 2013-01-16
ETERNAL MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the touch panel is arranged on the front surface of the display, the electromagnetic wave shielding material must have good total light transmittance. In the technical field, indium tin oxide (Indium Tin Oxide, referred to as ITO) is commonly used as the electromagnetic interference shielding material, which is transparent and conductive. However, this kind of material is expensive, and it needs to be sputtered or deposited in a vacuum, and the manufacturing cost is high. In addition, the ITO material is not flexible, and it is used in some electronic products. There are restrictions on the application
[0006] Taiwan Patent Publication No. I353471 discloses the use of metal mesh as an electromagnetic interference shielding material for touch displays, which is woven with metal wires with a line width that does not affect the naked eye's vision. It has electromagnetic shielding effects. However, this material needs to be prepared by yellow photolithography. , expensive process
[0007] Another Taiwan Patent Publication No. TW 201035996 uses carbon nanotubes as the EMI shielding material for touch displays. However, the synthesis steps of carbon nanotubes are complicated, the cost is high, and the appearance is black. In order not to affect the penetration , cannot be coated on the whole surface, and the electromagnetic shielding effect is limited

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1~10 and comparative example 1~2

[0065] The glue solutions of the conductive coating compositions of Examples 1 to 10 and Comparative Examples 1 to 2 were prepared according to the manner described below, and their compositions are listed in Table 1.

[0066] First, the (a), (b), (c), (d) and (f) components are mixed with the solvent by the solid content weight (%) listed in Table 1, and vibrated in an ultrasonic oscillator for 10 minutes, then (e), (g) and (h) were added and stirred until uniformly mixed, and the solid content was diluted with a solvent until the solid content was 2% by weight of the conductive coating composition. The above-mentioned solvents are prepared in a weight ratio of water: isopropanol: ethylene glycol: dimethyl sulfoxide of 15:1:1:1.

[0067] Table 1

[0068]

[0069] (a): conductive organic polymer (Clevios PH1000, manufactured by Heraeus);

[0070] (b): polyester resin (ETERKYD 5035-W-33, manufactured by Changxing Chemical Co.);

[0071] (c): Polyol (G140; manufactured by ...

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Abstract

The present invention provides a conductive coating composite, including: conductivity organic polymers, non-conductivity of organic compounds, solvents and optional curing agents; and the dosage of the conductivity organic polymer composites takes the solid content in the total weight is 10% to 50%. The present invention also provides a conductive film, which is the conductive coating composite formed after drying of the film; the film has less than 1000 ohm / sq surface resistivity and more than 80% of all light transmittance. The conductivity coating composites can be used as electromagnetic interference cover materials or electrode materials, and can be applied to different electronic products.

Description

technical field [0001] The invention relates to a conductive coating composition, which can be coated on a base material to make the surface of the base material have an electromagnetic wave shielding effect. The present invention also relates to a conductive film formed from the conductive coating composition. Background technique [0002] Since all electronic equipment generates a certain degree of electromagnetic field during operation, and the electromagnetic field generated by the equipment may interfere with each other, block or destroy the normal operation of adjacent equipment, the electromagnetic field generated by the flow of the circuit, if it is not properly shielded , the mutual magnetic fields will interfere and destroy the quality of signal transmission, resulting in the malfunction of the equipment. [0003] The way for electronic equipment to resist electromagnetic interference is mainly to use electromagnetic interference shielding material (Electromagneti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D5/24C09D165/00C09D179/02C09D179/04C09D167/00C09D183/04C09D163/00C09D175/04C09D133/00C09D171/00C09D7/12
CPCC09D5/24
Inventor 陈威凯吴督宜张钟仁陈孟佐
Owner ETERNAL MATERIALS CO LTD
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