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A kind of preparation method of heat insulation and anti-fog film layer for automobile glass

A technology for automobile glass and anti-fog film, which is applied in the field of preparation of heat-insulating and anti-fog film layers for automobile glass, can solve the problems of poor anti-fog function durability, incomplete anti-fog effect, etc., and achieves the effect of eliminating the generation of fog.

Active Publication Date: 2016-08-17
CHERY AUTOMOBILE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention designs a method for preparing heat-insulating and anti-fog film for automotive glass. The technical problem it solves is that the current spontaneous anti-fog technology is to deal with the water droplets produced by condensation to prevent fog, and the anti-fog effect is not complete. and poor durability of the anti-fog function

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] 1. Preparation of heat insulating resin;

[0023] Add 20g 1-propylene glycol methyl ether acetate-2 ester, 12g TDI aromatic isocyanate in 50g ethyl acetate, stir at room temperature for 2h, then add 5g10nm mesoporous silica and 0.2g polyether alkyl siloxane leveling agent, Stir at room temperature for 1 hour to obtain a heat-insulating resin.

[0024] 2. Preparation of anti-fog film layer;

[0025] First, degrease the glass surface with methanol, then perform physical polishing, and then clean it with tap water and distilled water respectively, and then dry it for later use.

[0026] Use thermal insulation resin system to coat the surface of clean and dry automotive glass. The coating process is spraying. Immediately after the coating is completed, spray the surface with transparent nano-silver solution, and then place it at room temperature for leveling. After leveling, put the glass film on Place at 100°C for 1 hour.

[0027] Fogging occurred at the beginning of th...

Embodiment 2

[0029] 1. Preparation of heat insulating resin;

[0030] Add 20g 1-propylene glycol methyl ether acetate-2 ester, 12g TDI aromatic isocyanate to 50g ethyl acetate, stir at room temperature for 2h, then add 5g10nm mesoporous silica and 0.2g and 10g transparent nano-silver solution polyether alkyl silicon Oxane leveling agent, stir at room temperature for 1h.

[0031] 2. Preparation of anti-fog film layer;

[0032] First, degrease the glass surface with methanol, then perform physical polishing, and then clean it with tap water and distilled water respectively, and then dry it for later use.

[0033] Stir 1 g of N-(2-aminoethyl)-3-aminopropylmethyldimethoxysilane and 49 g of water at room temperature for 1 h, then add ethanol, and continue stirring for 10 min to obtain a coupling agent solution. Wipe the prepared coupling agent solvent on the dry and clean glass surface, and then place it at 100°C for 1h.

[0034] After the surface of the automobile glass treated by the coupl...

Embodiment 3

[0037] 1. Preparation of heat insulating resin;

[0038] Add the aromatic isocyanate of 20g hydroxyl-containing acrylate A450 (Bayer company) and 12g TDI in 50g ethyl acetate, stir at room temperature for 2h, then add 7g20nm silicon dioxide and 0.2g polyether alkyl siloxane leveling agent, stir at room temperature 1h, the heat insulating resin is obtained.

[0039] 2. Preparation of anti-fog film layer;

[0040] First, degrease the glass surface with methanol, then perform physical polishing, and then clean it with tap water and distilled water respectively, and then dry it for later use.

[0041] Use thermal insulation resin system to coat the surface of clean and dry automotive glass. The coating process is spraying. Immediately after the coating is completed, spray the surface with transparent nano-silver solution, and then place it at room temperature for leveling. After leveling, put the glass film on Place at 100°C for 1 hour.

[0042] Fogging occurred at the beginnin...

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Abstract

The invention relates to a method for preparing a heat-insulating and anti-fog film layer for automobile glass, comprising the following steps: Step 1, preparing a heat-insulating resin; step 2, preparing a heat-insulating resin film layer on the glass surface; A thermally conductive film layer is prepared on the resin layer. The present invention prepares a heat-insulating film layer and a heat-conducting film layer on the surface of the glass. The heat-insulating film layer can block most of the heat transfer through the glass inside and outside the car, and the heat-conducting film layer can ensure that the surface is always consistent with the temperature of the air. When the hot air in the car When encountering glass, its temperature will not drop, and if the temperature does not drop, there will be no water vapor condensing out of the air, and there will be no fogging phenomenon, which can fundamentally prevent the generation of fog. It is a spontaneous anti-fog with long-term effects. fog technology.

Description

technical field [0001] The invention relates to a preparation method of a heat-insulating and anti-fogging film layer for automobile glass. Background technique [0002] In the cold winter or rainy season, the water vapor in the hot air inside the car will form mist on the cold glass surface, which will greatly reduce the visible light transmittance of the glass, affect the driver's vision, and easily lead to traffic accidents. Because there is no hot air from the engine in the electric vehicle, the air conditioner needs to be turned on to defog. According to relevant tests, turning on the air conditioner to defog will increase the power consumption by 10-15%. [0003] The fogging of car glass usually occurs in cold winter or rainy days. At this time, the temperature outside the car is relatively low, but due to the activities of people inside the car, the temperature will be significantly higher than outside the car, and the water vapor exhaled by people inside the car wil...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C17/38
Inventor 熊建民陈大华洪丽
Owner CHERY AUTOMOBILE CO LTD
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