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A kind of preparation technology of tempered glass surface protection coating

A technology for protecting coatings and preparation processes, applied in the direction of coatings, etc., can solve problems such as inferiority, inability to effectively improve impact resistance and prevent breakage, and achieve excellent leveling and impact resistance.

Active Publication Date: 2021-01-05
ZHEJIANG XIXI GLASS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] On January 23, 2018, the Chinese Patent Office disclosed a patent application for an improved tempered glass, the application announcement number being CN107618236A, which includes a first tempered glass layer and a second tempered glass layer; the first tempered glass layer A polyester buffer layer is provided between the second tempered glass layer; the second tempered glass layer is provided with an explosion-proof layer on the side away from the first tempered glass layer, and the side of the explosion-proof layer is provided with a thermochromic coating; the second tempered glass layer is provided with a thermochromic coating; A toughened glass layer is provided with a nano-silver layer on the side away from the second toughened glass layer; the side of the nano-silver layer is provided with an anti-blue light coating, which improves its impact resistance structurally, and is similar to reinforced explosion-proof glass The method uses colloid to bond between the two layers of glass, so that it is not easy to burst and break, but in fact its own glass material is not as good as reinforced explosion-proof glass, and the significance of adding an intermediate layer is not great. In actual use Can not effectively improve its impact resistance and achieve the purpose of preventing broken

Method used

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  • A kind of preparation technology of tempered glass surface protection coating
  • A kind of preparation technology of tempered glass surface protection coating

Examples

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Effect test

Embodiment 1

[0033] A preparation process for tempered glass surface protection coating, the preparation process comprises the following preparation steps:

[0034] 1) Pre-preparation of the coating matrix: mix and stir the epoxy resin with an average epoxy value of 41, toluene diisocyanate and isobornyl acrylate at a mass ratio of 11.5:8.3:1.2, and then add epoxy-modified silicone resin and pure methyl methacrylate monomer, continue to stir until fully dissolved to obtain the mixture;

[0035] 2) Preliminary modification: Add porous silica microspheres with a particle size of 5 μm to the mixture obtained in step 1), and add methyltrimethoxysilane after ultrasonic vibration until it is uniformly dispersed, wherein the mixed solution, porous silica The mass ratio of microspheres and methyltrimethoxysilane is 100:3.9:4.15, and the pH value is adjusted to 4.8 with glacial acetic acid, and the acidic mixture is obtained after stirring until uniform, and the acidic mixture is stored at -5°C for...

Embodiment 2

[0039] A preparation process for tempered glass surface protection coating, the preparation process comprises the following preparation steps:

[0040] 1) Pre-preparation of the coating matrix: mix and stir the epoxy resin with an average epoxy value of 53, isophorone diisocyanate and tripropylene glycol diacrylate in a mass ratio of 16.5:17.5:2.7, and add Epoxy-modified silicone resin and pure methyl methacrylate monomer, continue to stir until fully dissolved to obtain a mixture;

[0041] 2) Preliminary modification: Add porous silica microspheres with a particle size of 300 μm to the mixture obtained in step 1), and add methyltrimethoxysilane after ultrasonic vibration until it is uniformly dispersed, wherein the mixed solution, porous silica The mass ratio of microspheres and methyltrimethoxysilane is 100:4.7:5.2, and the pH value is adjusted to 6.1 with dilute hydrochloric acid, and the acid mixture is obtained after stirring until uniform, and the acid mixture is stored ...

Embodiment 3

[0045] A preparation process for tempered glass surface protection coating, the preparation process comprises the following preparation steps:

[0046] 1) Pre-preparation of the coating matrix: mix and stir the epoxy resin with an average epoxy value of 44, dibasic methane diisocyanate and hexanediol diacrylate in a mass ratio of 12.5:9.7:2.35, and add cyclo Oxygen-modified silicone resin and pure methyl methacrylate monomer, continue to stir until fully dissolved to obtain a mixture;

[0047] 2) Preliminary modification: Add porous silica microspheres with a particle size of 60 μm to the mixture obtained in step 1), and add methyltrimethoxysilane after ultrasonic vibration until it is uniformly dispersed, wherein the mixed solution, porous silica The mass ratio of microspheres and methyltrimethoxysilane is 100:4.1:4.65, and the pH value is adjusted to 5.6 with dilute hydrochloric acid, and the acidic mixture is obtained after stirring until uniform, and the acidic mixture is ...

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Abstract

The invention relates to the field of glass coating, in particular to a preparation process of a tempered glass surface protective coating, which can enhance the impact resistance of the tempered glass and prevent the tempered glass from being burst and broken. The tempered glass surface protective coating is prepared by taking an epoxy type prepolymer, a polyurethane prepolymer, an active diluent, epoxy modified silicon resin and a pure methyl methacrylate monomer as matrixes, adding porous silicon dioxide microspheres, methyltrimethoxysilane and azodiiso-butyl cyanide as well as adding two photo-initiators.

Description

technical field [0001] The invention relates to the field of glass coatings, in particular to a preparation process for a tempered glass surface protection coating that can be quickly cured under light, enhance the impact resistance of the tempered glass and prevent the tempered glass from bursting and breaking. Background technique [0002] Tempered glass belongs to safety glass, which is a kind of prestressed glass. In order to improve the strength of glass, chemical or physical methods are usually used to form compressive stress on the glass surface. Glass itself has wind pressure resistance, cold and heat resistance, impact resistance, etc. [0003] However, although the tempered glass prepared by the prior art is stronger than ordinary glass, tempered glass has the possibility of self-explosion, that is, the possibility of self-rupture, while ordinary glass does not have the possibility of self-explosion, and tempered glass is more impact-resistant than explosion-proof ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D4/02C09D4/06C09D7/61C09D7/63
CPCC09D4/06C09D7/61C09D7/63
Inventor 秦世明赵光勇赵洁
Owner ZHEJIANG XIXI GLASS
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