Mobile phone glass rear cover coating liquid as well as preparation method and application thereof

A coating liquid and glass technology, applied in the coating and other directions, can solve the problems such as the inability to meet the long-term anti-fingerprint requirements, affecting the touch feel, and poor smoothness.

Active Publication Date: 2022-07-05
东莞泰岳先进材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the existing coating modified by anti-fingerprint oil has a dynamic friction coefficient of 0.01-0.02 on the surface, and the surface is too smooth, so it is easy to slip off when used as a coating on the back cover of mobile phone glass.
The water-repellent and oil-repellent properties of existing hydrophobic and oleophobic coatings will repel the grease components attached to the coating on the back cover of the mobile phone glass, which will make the dirt more visible visually
In addition, the anti-fingerprint oil coating has weak adhesion and poor durability, which cannot meet the long-term anti-fingerprint requirements
The use of AG (Anti-Glareglass) matte etching process makes the surface of the glass back cover of the mobile phone have a frosted texture to achieve anti-glare and anti-fingerprint effects. However, due to the nano-protrusion array structure on the glass surface, the surface smoothness is poor, affecting touch feel
Therefore, there is a need for a moderate smoothness and anti-fingerprint, easy-to-clean coating to replace the existing coating to improve the rough surface of the existing mobile phone glass back cover coating, poor smoothness, and insignificant anti-fingerprint effect The problem

Method used

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  • Mobile phone glass rear cover coating liquid as well as preparation method and application thereof
  • Mobile phone glass rear cover coating liquid as well as preparation method and application thereof
  • Mobile phone glass rear cover coating liquid as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Preparation of the first modified POSS: add 0.5g OVPOSS, 1.74g 1-thioglycerol and 8.96g tetrahydrofuran to a round-bottomed flask, pass nitrogen protection, heat to 50°C, stir to dissolve, add 0.0224g azo with a syringe Isobutyronitrile, reacted for 8 hours, and rotary-evaporated to obtain a light yellow transparent liquid with a yield of 99%. The pale yellow liquid in this example is denoted as the first modified POSS.

[0021] Dilute the first modified POSS with ethanol to obtain a solution A with a mass concentration of 1% of the first modified POSS 1 .

[0022] A mobile phone glass back cover coating solution of this embodiment, calculated with a total amount of 100g, includes the following components in parts by weight: 0.625g cetylmethoxysilane, 6.25g solution A 1 , the remainder is ethanol.

[0023] A preparation method of a mobile phone glass back cover coating solution in this embodiment: 0.625g of cetylmethoxysilane, 6.25g of solution A 1 , mixed with etha...

Embodiment 2

[0026] Preparation of the second modified POSS: add 0.5g OVPOSS, 3.14g mercaptopropyltrimethoxysilane and 14.56g tetrahydrofuran to a round-bottomed flask, protect with nitrogen, heat to 50°C, stir and dissolve, add 0.0364g Azabutyronitrile, reacted for 8 hours, and rotary-evaporated to obtain a light yellow transparent liquid with a yield of 99%. The pale yellow transparent liquid in this embodiment is denoted as the second modified POSS.

[0027] Dilute the second modified POSS with ethanol to obtain a solution A with a mass concentration of 1% of the second modified POSS 2 .

[0028] A mobile phone glass back cover coating solution of this embodiment, calculated with a total amount of 100g, includes the following components in parts by weight: 0.625g cetylmethoxysilane, 6.25g solution A 2 , the remainder is ethanol.

[0029]A preparation method of a mobile phone glass back cover coating solution in this embodiment: 0.625g of cetylmethoxysilane, 6.25g of solution A 2 , m...

Embodiment 3

[0032] Preparation of the third modified POSS: add 0.12g OVPOSS, 42.8g lauryl methacrylate and 171.68g tetrahydrofuran to a round bottom flask, pass nitrogen protection, heat to 50°C, stir and dissolve, add 0.4292g azoiso Butyronitrile, reacted for 8 hours, and rotary-evaporated to obtain a colorless transparent liquid with a yield of 99%. The colorless and transparent liquid in this embodiment is denoted as the third modified POSS.

[0033] The third modified POSS is diluted with cyclohexane to obtain a solution A with a mass concentration of 1% of the third modified POSS 3 .

[0034] A mobile phone glass back cover coating solution of this embodiment, calculated with a total amount of 100 g, includes the following components in parts by weight: 0.625 g of cetylmethoxysilane, 6.25 g of solution A 3 , the remainder is cyclohexane.

[0035] A preparation method of a mobile phone glass back cover coating solution in this embodiment: 0.625g of cetylmethoxysilane, 6.25g of solu...

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Abstract

The invention relates to mobile phone glass rear cover coating liquid as well as a preparation method and application thereof. The invention relates to a coating liquid for a glass rear cover of a mobile phone. The coating liquid comprises the following components in parts by weight: 0.625-1.0 part of organosiloxane; 6.25 to 10.0 parts of a solution A; 90 to 100 parts of a solvent; wherein the solution A is a solution obtained by diluting modified POSS with the solvent until the mass concentration is 1%. The preparation method of the mobile phone glass rear cover coating liquid is simple, and the mobile phone glass rear cover coating liquid is applied to a surface treatment coating obtained on the surface of glass or other base materials. Lipophilic groups on the organic siloxane and the modified POSS are utilized to enable grease substances in fingerprints to be easily dissolved or dispersed, the sensitive degree of vision to the fingerprints on the surface of the surface treatment coating can be weakened, and by regulating and controlling the ratio of the organic siloxane to the solution A, namely regulating and controlling the ratio of the organic siloxane to the modified POSS, the fingerprint on the surface of the surface treatment coating can be effectively removed. And the surface of the surface treatment coating has moderate smoothness, excellent moderate hydrophobic cleaning capability and wear resistance.

Description

technical field [0001] The invention relates to the field of mobile phone glass back cover coating, in particular to a mobile phone glass back cover coating liquid and a preparation method and application thereof. Background technique [0002] The development of science and technology has promoted the improvement of human living standards. The development of Internet technology has made electronic products an indispensable part of people's lives. While people pay attention to the screen protection of mobile phone screens, they are also paying attention to the glass back cover of mobile phones. , The smoothness of the glass back cover of mobile phones has become a hot spot of public concern. At present, relevant research mainly focuses on the anti-fingerprint, hydrophobic, anti-glare and other functions of the glass back cover of mobile phones. [0003] However, the existing coating modified with anti-fingerprint oil has a surface kinetic friction coefficient of 0.01-0.02, a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D183/04C09D183/07C09D133/10
CPCC09D183/04C09D143/04C09D4/00C08G77/04
Inventor 张凯欣宫秀明别文丰
Owner 东莞泰岳先进材料有限公司
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