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Shell, preparation method thereof and electronic equipment

A shell and ceramic green body technology, applied in the direction of electrical equipment shells/cabinets/drawers, electrical components, etc., can solve the problems that the preparation method needs to be improved, achieve excellent mechanical properties, increase the degree of cross-linking, and reduce the time of heat treatment Effect

Active Publication Date: 2021-11-23
GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the current ceramic shell and its preparation method still need to be improved.

Method used

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  • Shell, preparation method thereof and electronic equipment
  • Shell, preparation method thereof and electronic equipment
  • Shell, preparation method thereof and electronic equipment

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0018] see figure 1 , is a flow chart of the preparation method of the housing provided in an embodiment of the present application, including:

[0019] S101: Coating and / or immersing the polymer ceramic body in a pretreatment liquid, and forming a pretreatment layer on the surface of the polymer ceramic body after drying to obtain a composite body, wherein the polymer ceramic body includes a polymer, and the pretreatment layer is formed on the surface of the polymer ceramic body. The treatment fluid includes an accelerator capable of promoting crosslinking of the polymer.

[0020] S102: After the composite green body is heat-treated and hot-pressed, the pre-treatment layer is removed to obtain a polymer ceramic layer to obtain a casing.

[0021] In this application, after the polymer ceramic body is treated with the pretreatment liquid, the accelerator in the pretreatment liquid can promote the crosslinking of the polymer in the polymer ceramic body during the heat treatment...

Embodiment 1

[0067] A method for preparing a shell, comprising:

[0068] Spherical zinc oxide with a particle size of 100nm-150nm and spherical alumina with a particle size of 100-200nm are mixed at a mass ratio of 10:1; 20kg of composite ceramic particles, silane coupling agent accounting for 1% of the mass of the composite ceramic particles, The polyvinyl alcohol accounting for 0.5% of the mass of the composite ceramic particles and the carbon black accounting for 2% of the mass of the composite ceramic particles are mixed to obtain a mixed material; water and alumina grinding beads are added to the mixed material, wherein the mass ratio of the mixed material, water and ball milling beads is 1 :2:0.5, and placed in a ball mill tank for ball milling and dispersion for 48 hours to obtain a mixed slurry. The mixed slurry is spray-dried and granulated to obtain the treated ceramic particles, wherein the feed temperature is 80°C, the inlet air temperature is 150°C, the exhaust air temperature...

Embodiment 2

[0073] Roughly the same as Example 1, the difference is that after the polymer ceramic layer is prepared, a hardened layer is coated on the surface of the polymer ceramic layer by evaporation coating, the material of the hardened layer is alumina, and the thickness of the hardened layer is 1 μm, and then plate an anti-fingerprint layer on the surface of the hardened layer to make a shell.

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Abstract

The invention provides a preparation method of a shell, which comprises the following steps that: a polymer ceramic green body is coated with and / or soaked in a pretreatment liquid, and drying is performed to form a pretreatment layer on the surface of the polymer ceramic green body to obtain a composite green body, wherein the polymer ceramic green body comprises a polymer, and the pretreatment liquid comprises a promoter capable of promoting cross-linking of the polymer; and after the composite green body is subjected to heat treatment and hot pressing, the pretreatment layer is removed, a polymer ceramic layer is obtained, and the shell is prepared. After the polymer ceramic green body is treated by the pretreatment liquid, the pretreatment layer is formed on the surface of the polymer ceramic green body, so that the crosslinking degree of the polymer in the polymer ceramic green body can be improved in the subsequent heat treatment process, the heat treatment time is greatly shortened, and the preparation time of the shell is shortened while the mechanical property of the shell is improved. The invention further provides a shell and electronic equipment.

Description

technical field [0001] The application belongs to the technical field of electronic products, and in particular relates to a casing, a preparation method thereof, and electronic equipment. Background technique [0002] With the improvement of consumption level, consumers not only pursue the diversification of functions of electronic products, but also have higher and higher requirements for their appearance and texture. In recent years, ceramic materials have become a hot spot in the research of electronic equipment casings due to their warm and moist texture. In the related art, products are prepared by composite materials formed of resin and ceramic materials, but the production cycle of the current products is long, and at the same time, compared with real ceramic products, there is still a gap in its strength. Therefore, the current ceramic shell and its preparation method still need to be improved. Contents of the invention [0003] In view of this, the present appl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B41/69C04B41/70C04B35/453C04B35/622C04B26/10H05K5/00
CPCC04B41/69C04B35/453C04B35/622C04B26/10C04B41/51C04B41/459C04B41/52C04B41/70H05K5/00C04B18/023C04B41/463C04B41/46C04B41/4869C04B41/5031C04B41/5011
Inventor 滕双双
Owner GUANGDONG OPPO MOBILE TELECOMM CORP LTD