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Shell and preparation method thereof

A technology for housings and plastic substrates, applied in electrical equipment shells/cabinets/drawers, biocide-containing paints, anti-fouling/underwater coatings, etc., can solve poor anti-fouling effects, easy to leave fingerprints and oil stains, affect appearance, etc. question

Inactive Publication Date: 2013-10-30
SHENZHEN FUTAIHONG PRECISION IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the anti-fouling effect of the existing baking varnish coating is poor, and it is easy to leave fingerprints and / or adhere to some dirt such as oil, thus affecting the appearance

Method used

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  • Shell and preparation method thereof

Examples

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Comparison scheme
Effect test

preparation example Construction

[0016] see figure 1 , a method for preparing the casing 10 according to a preferred embodiment of the present invention, which includes the following steps:

[0017] (1) Preparation of fluoroalkyl-modified silica nanoparticles.

[0018] Put a certain amount of spherical nano-silica particles into an organic solvent to disperse uniformly by ultrasonic, then add tridecafluorooctyltriethoxysilane to it, stir for 3-5 hours, filter, and dry the filtered material to prepare Fluoroalkyl-modified silica nanoparticles were obtained. The addition ratio of each substance is as follows: for every 2-3g of nano silicon dioxide particles, 0.1-0.15ml of tridecafluorooctyltriethoxysilane and 30-45ml of organic solvent need to be added.

[0019] The particle size of the nano silicon dioxide particles is 50-120nm.

[0020] The organic solvent can function as a diluent. The organic solvent is preferably isopropanol or ethanol, but not limited to these two substances.

[0021] This step utili...

Embodiment

[0033] Add 2g of nano-silica particles (with a particle size between 50-120nm) into 30ml of ethanol and ultrasonically disperse evenly to obtain a bluish transparent liquid, then add 0.1ml of tridecafluorooctyltriethyl to the system Oxysilane, stirred for 5 hours, filtered, and the filtered material was dried to obtain fluoroalkyl-modified silica nanoparticles.

[0034] Add 2 g of the prepared fluoroalkyl-modified silica nanoparticles to 50 ml of ethanol, and add 0.5 g of film-forming aid sodium thiobenzenesulfonate, and mix uniformly to prepare a spray coating solution.

[0035] Wipe the surface of the plastic substrate 11 to be sprayed clean.

[0036] The above spraying liquid is placed in a hand spray gun. When spraying with the spray gun, the spraying liquid needs to be fully atomized, and then the spraying liquid is evenly sprayed on the surface of the plastic substrate 11 .

[0037] The spray coating in this embodiment only needs to spray a film layer with a thickness o...

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Abstract

A method for making a housing includes the following steps: modifying nano silicon dioxide using thirteen fluorine octyltriethoxysilane to make fluoroalkyl-modified nano silicon dioxide; mixing the fluoroalkyl-modified nano silicon dioxide, an organic solvent, and a filmogen together to make a coating solution; providing a plastic substrate; spraying the coating solution to the surface of the plastic substrate and drying to make a layer.

Description

technical field [0001] The invention relates to a casing and a preparation method thereof. Background technique [0002] The casing of the electronic device is usually subjected to baking paint treatment to form a coating on the surface of the casing to decorate and protect the casing. However, the antifouling effect of the existing baking varnish coating is poor, and it is very easy to leave fingerprints and / or adhere to some dirt such as oil stains, thereby affecting the appearance. Contents of the invention [0003] In view of this, it is necessary to provide a method for preparing a housing that effectively solves the above problems. [0004] In addition, it is also necessary to provide a shell manufactured by the above method. [0005] A method for preparing a shell, comprising the steps of: [0006] Using tridecafluorooctyltriethoxysilane to modify silica nanoparticles to prepare fluoroalkyl-modified silica nanoparticles; [0007] Mix fluoroalkyl-modified silica ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J7/06C09D1/00C09D7/12C09D5/16H05K5/00
CPCC09D5/16C09D1/00H05K5/0243C08J7/06C09D7/12Y10T428/265Y10T428/3154
Inventor 周书祥邹智清徐秋江林和贤
Owner SHENZHEN FUTAIHONG PRECISION IND CO LTD
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