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CRT vertebral body inner wall aqueous electric conduction coating material

A conductive coating and water-based technology, applied in conductive coatings, alkali metal silicate coatings, etc., can solve the problems of poor adjustability of electrical conductivity, insufficient attention to air permeability and thermal conductivity, and poor use effect, etc. Adjustment of electrical conductivity, strong bonding force and good thermal conductivity

Inactive Publication Date: 2016-01-27
张文知
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The existing technology of water-based conductive coating on the inner wall of CRT cones; the adjustability of the electrical conductivity is not good, the attention to the air permeability and thermal conductivity is not enough, and the use effect is not good

Method used

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  • CRT vertebral body inner wall aqueous electric conduction coating material

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Embodiment Construction

[0011] In order to better understand and implement the water-based conductive coating on the inner wall of a CRT vertebra of this patent, the specific implementation steps are as follows:

[0012] 1. Material preparation

[0013] 1. Grinding flake graphite with a carbon content greater than 99% after 300 mesh roasting until the particle size is all below 10um, and the particle size of 60% by mass is below 100nm;

[0014] 2. The particle size of insulating and thermally conductive filler iron oxide red or titanium dioxide is below 20um;

[0015] 3. Select potassium silicate with a modulus between 2.8-3.2 and a concentration of about 28%.

[0016] 2. Formula

[0017]

[0018] 3. Craft

[0019] 1. Add water, dispersant NNO, micron flake graphite powder, defoamer, insulating and thermally conductive filler iron oxide red or titanium dioxide in proportion under high-speed stirring, and grind for 8-10 hours with a ball mill to make a slurry;

[0020] 2. Add the above slurry...

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Abstract

The present invention discloses a CRT vertebral body inner wall aqueous electric conduction coating material, wherein the main components comprise water, micrometer flake graphite, an insulating thermal-conduction filler iron oxide red or titanium dioxide powder, high modulus potassium silicate, and auxiliary agents such as a dispersing agent, a thickener, a defoamer and the like, and grinding, filtering, viscosity adjustment and other processes are performed to prepare the CRT vertebral body inner wall aqueous electric conduction coating material. The CRT vertebral body inner wall aqueous electric conduction coating material of the present invention has characteristics of substantially adjusted electric conduction property, strong bonding force with the substrate, good air permeation, and good thermal conduction property, and can be suitable for manufacturing of CRT having a variety of performances and specifications.

Description

technical field [0001] The invention relates to the technical field of manufacturing special coatings, in particular to a water-based conductive coating for the inner wall of a CRT vertebra. Background technique [0002] Traditional conductive coatings are all oil-based. During the use of these products, organic solvents volatilize, which not only pollutes the environment, but also poses a great hazard to the health of construction workers. [0003] With the rapid development of the microelectronics industry, the demand for conductive coatings is also increasing. At present, the products are changing from oil-soluble to water-based. Carbon-based water-based conductive coatings are based on the advantages of high quality, low price and long life. Important position. [0004] The technology of water-based conductive coating on the inner wall of CRT cones is available; the adjustability of the conductive performance is not good, the attention to the air permeability and therma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/02C09D5/24
Inventor 张文知
Owner 张文知
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