Silicon-based high-resistance film coating liquid, preparation method thereof and preparation method of silicon-based high-resistance film

A technology of large resistance and coating liquid, applied in the direction of electrical digital data processing, data processing input/output process, instruments, etc., can solve the problems of occlusion, difficult to achieve touch effect, affecting touch effect, etc., to increase wear resistance Excellent resistance to scratches and scratches, excellent flatness, and the effect of maintaining stability

Pending Publication Date: 2022-05-06
湖南七点钟文化科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, while the planar shielding layer grounds the electrostatic charge, it also blocks the transmission of the projected electric field signal between the driving electrode lines and the detection electrode lines, which greatly affects the realization of the touch effect.
[0006] Therefore, it is urgent for the field of film preparation to solve the problem that the projected electric field signal between the drive electrode lines and the detection electrode lines of the existing touch display screen is blocked by the planar shielding layer and the touch effect is difficult to achieve.

Method used

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  • Silicon-based high-resistance film coating liquid, preparation method thereof and preparation method of silicon-based high-resistance film
  • Silicon-based high-resistance film coating liquid, preparation method thereof and preparation method of silicon-based high-resistance film
  • Silicon-based high-resistance film coating liquid, preparation method thereof and preparation method of silicon-based high-resistance film

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preparation example Construction

[0034] The application also provides a method for preparing a silicon-based high-resistance thin film coating solution, comprising the following steps:

[0035] After mixing the matting solution, ethanol, graphene and a dispersant, adding a silicon-based alloy, then adding a cross-linking agent and stirring to obtain a silicon-based high-resistance thin film coating solution.

[0036] The preparation sequence of the silicon-based high-resistance thin film coating solution mentioned above can ensure good uniformity of the thin film. During the above mixing process, the whole process is carried out under stirring; the stirring speed is 100-200 rpm, and the stirring time is 60-120 min.

[0037] The present application also provides a method for preparing a silicon-based high-resistance film, which prepares a silicon-based high-resistance film by using screen printing. In the process, preheating before screen printing, screen printing and subsequent The illumination of the light ...

Embodiment 1

[0049] Preparation of coating solution: mix 50 parts by weight of matting solution, 29 parts by weight of ethanol, 5 parts by weight of dispersant and 2 parts by weight of graphene at a stirring speed of 120 rpm, then add 10 parts by weight of silicon base alloy, finally add 4 parts by weight of cross-linking agent, stir for 90min to obtain a 25CP coating solution; silicon-based alloys include 70wt% silicon, 30wt% other metals (aluminum, zinc-aluminum, antimony, chromium, nickel), extinction The solution is prepared from matting powder and water with a mass ratio of 15:85. The graphene has a pore size of 60nm, a porosity of 85%, and a specific surface area of ​​2300m 2 / g;

[0050] Cleaning: Soak the PET substrate in a tank of 30% concentrated sulfuric acid and 70% pure water for 10-15 minutes, then soak the substrate in a 15% lye tank for 10-15 minutes, pH = 10-12, and finally Put the substrate into the clear water tank for 10-30 minutes; install a foam tube at the bottom of...

Embodiment 2

[0055] Preparation of coating solution: mix 45 parts by weight of matting solution, 27 parts by weight of ethanol, 8 parts by weight of dispersant and 4 parts by weight of graphene at a stirring speed of 150 rpm, then add 13 parts by weight of silicon base alloy, finally add 5 parts by weight of cross-linking agent, and stir for 100min to obtain a 28CP coating solution; silicon-based alloys include 75wt% silicon, 25wt% other metals (aluminum, zinc-aluminum, antimony, chromium, nickel), extinction The solution is prepared from matting powder and water with a mass ratio of 20:80. The graphene has a pore size of 70nm, a porosity of 90%, and a specific surface area of ​​2600m 2 / g;

[0056] Cleaning: Soak the PET substrate in a tank of 30% concentrated sulfuric acid and 70% pure water for 10-15 minutes, then soak the substrate in a 15% lye tank for 10-15 minutes, pH = 10-12, and finally Put the substrate into the clear water tank for 10-30 minutes; install a foam tube at the bott...

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Abstract

The invention provides a silicon-based high-resistance film coating liquid. The silicon-based high-resistance film coating liquid is prepared from a silicon-based alloy, an extinction solution, graphene, a cross-linking agent and ethanol. The invention further provides a preparation method of the silicon-based high-resistance film coating liquid. Furthermore, the invention also provides a preparation method of the silicon-based high-resistance thin film. According to the silicon-based high-resistance thin film provided by the invention, by adopting the specific coating liquid and the silk-screen printing process means, the thin film which can ensure static electricity export and does not affect signal conduction is obtained.

Description

technical field [0001] The invention relates to the technical field of electronic display devices, in particular to a silicon-based high-resistance thin film coating solution, a preparation method thereof and a method for preparing a silicon-based high-resistance thin film. Background technique [0002] LCD / OLED panels were originally only used to display images, and users can only receive image information in one direction. The emergence of touch panels allows users to interact with the panels and make the panels come alive. There are many types of touch panels, and most of the "multi touch (Multi touch)" panels used in mobile phones currently use the "projected capacitive touch" technology. The touch lines (Sensor pattern) of projected capacitive touch mainly include driving lines (Tx) and sensing lines (Rx), respectively with horizontal lines and vertical lines densely distributed on the entire panel, such as figure 1 As shown in (a), we can imagine that the driving line...

Claims

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Application Information

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IPC IPC(8): G06F3/041G06F3/044
CPCG06F3/041G06F3/044G06F2203/04103G06F2203/04107
Inventor 黄永香
Owner 湖南七点钟文化科技有限公司
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