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High-stability mobile phone coating solution and preparation method thereof

A high-stability coating solution technology, applied in the manufacturing field, can solve problems such as surface dry time, unsatisfactory flatness, inability to withstand long-term harsh environments, poor film-forming performance and resistance to electrical corrosion, etc., to improve the ability of electrical corrosion resistance , Reduce energy consumption, short dry time

Inactive Publication Date: 2020-03-24
云台科技(深圳)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the preparation methods of most of the coating solutions currently used are not only complicated to operate, but also have a long cycle, and the film-forming performance is poor, and the performance of electro-corrosion resistance needs to be improved, and its surface drying time and flatness are not ideal.
[0003] In addition, under long-term outdoor exposure, the salt spray resistance and other indicators of the film coated with the above coating solution will continue to decrease with the passage of time, and cannot withstand the long-term harsh environment and cannot meet the needs of use.

Method used

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  • High-stability mobile phone coating solution and preparation method thereof
  • High-stability mobile phone coating solution and preparation method thereof

Examples

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preparation example Construction

[0023] The raw materials for preparing the modified silicone resin in the present invention include alkoxysilane and fluoroalkylsilane.

[0024] In one embodiment, the alkoxysilane is selected from triethoxypentylsilane (CAS: 2761-24-2), propyltrimethoxysilane (CAS: 1067-25-0), butyl One or more combinations of trimethoxysilane (CAS: 1067-57-8), dimethoxydimethylsilane (CAS: 1112-39-6); the fluoroalkylsilane is selected from twelve Fluoroheptylpropylmethyldimethoxysilane (CAS: 1374604-19-9), Dodecafluoroheptylpropyltrimethoxysilane (CAS: 1105578-57-1), Perfluorooctyltrimethoxy One or several combinations of silanes (CAS: 85857-16-5).

[0025] In a preferred embodiment, the alkoxysilane is triethoxypentylsilane; the fluoroalkylsilane is dodecafluoroheptylpropylmethyldimethoxysilane.

[0026] In a more preferred embodiment, the molar ratio of the alkoxysilane to the fluoroalkylsilane is 1: (1.5-3); preferably, the molar ratio of the alkoxysilane to the fluoroalkylsilane It is...

Embodiment 1

[0049] Embodiment 1 of the present invention provides a kind of high-stability mobile phone coating liquid, and by weight, preparation raw material comprises: 1.5 parts of modified silicone resins, 0.005 parts of catalysts, 95 parts of organic solvents, 0.05 parts of surfactants; The preparation raw materials also include vegetable oils.

[0050] The raw materials for the preparation of the modified silicone resin include alkoxysilane and fluoroalkylsilane; the alkoxysilane is triethoxypentylsilane; the fluoroalkylsilane is dodecafluoroheptylpropyl Methyldimethoxysilane; the molar ratio of the alkoxysilane to fluoroalkylsilane is 1:1.5.

[0051] The steps of the preparation method of the modified silicone resin are as follows: add triethoxypentylsilane and absolute ethanol into a three-necked flask, adjust the pH to 10 with ammonia water, vacuumize, heat to 90°C, react for 1 hour, and observe The viscosity of the reaction solution increases, then slowly add dodecafluoroheptyl...

Embodiment 2

[0058] Embodiment 2 of the present invention provides a kind of high-stability mobile phone coating liquid, and by weight, preparation raw material comprises: modified silicone resin 2 parts, catalyst 0.02 part, organic solvent 100 parts, surfactant 0.2 part; The preparation raw materials also include vegetable oils.

[0059] The raw materials for the preparation of the modified silicone resin include alkoxysilane and fluoroalkylsilane; the alkoxysilane is triethoxypentylsilane; the fluoroalkylsilane is dodecafluoroheptylpropyl Methyldimethoxysilane; the molar ratio of the alkoxysilane to fluoroalkylsilane is 1:3.

[0060] The steps of the preparation method of the modified silicone resin are as in Example 1.

[0061] The catalyst is dibutyltin dilaurate.

[0062] The organic solvent includes 165# alkane solvent oil and 90# alkane solvent oil; the mass ratio of the 165# alkane solvent oil to 90# alkane solvent oil is 1:3.

[0063] The surfactant is lauric acid.

[0064] Th...

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Abstract

Relating to the technical field of manufacturing, the invention more specifically provides a high-stability mobile phone coating solution and a preparation method thereof. On the first aspect, the invention provides the high-stability mobile phone coating solution, which at least comprises the following preparation raw materials by weight: 1.5-2 parts of modified organic silicon resin, 0.005-0.02part of a catalyst, 95-100 parts of an organic solvent and 0.05-0.2 part of a surfactant.

Description

technical field [0001] The invention relates to the field of manufacturing technology, and more specifically, the invention provides a high-stability mobile phone coating solution and a preparation method thereof. Background technique [0002] At present, the coating solution is mostly prepared by mixing silicon dioxide particles or titanium dioxide particles with film-forming substances. However, the preparation methods of most of the coating solutions used at present are not only complicated to operate and have a long cycle, but also have poor film-forming properties, electrical corrosion resistance and other properties that need to be improved, and their surface drying time and flatness are not ideal. [0003] In addition, under long-term outdoor exposure, the salt spray resistance and other indicators of the film coated with the above coating solution will continue to decrease with the passage of time, and cannot withstand the long-term harsh environment and cannot meet ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D183/08C09D5/08C09D7/63
CPCC09D5/08C09D7/63C09D183/08C08K5/101
Inventor 余征宇杨文兵陈俊
Owner 云台科技(深圳)有限公司
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