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Method for spraying and coating heat insulation film on surface of glass

A glass surface and heat insulating film technology, applied in the field of spraying heat insulating film, can solve the problems of complex processing process, high operation difficulty and high cost, and achieve the effect of protecting indoor privacy, wide applicability and easy integration.

Inactive Publication Date: 2010-10-06
重庆龙者伯尔高新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the above-mentioned preparation method is complicated in processing technology, difficult in operation, large in energy consumption and high in cost.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A method for spraying heat-insulating film on the surface of glass. In the low-temperature section of the glass production process, when the temperature is 150°C, high-pressure airless spraying heat-insulating film of polymer inorganic nano-composite coating, and then 45 minutes to make the sprayed glass surface temperature The temperature is lowered to 80°C, and the spraying of the thermal insulation film on the glass surface is completed.

[0020] The polymer inorganic nanocomposite coating is nano Sb doped SnO 2 Semiconductor powder 12.5%, and nano-In doped SnO 2 Semiconductor powder, 12.5%; dispersing agent with a weight ratio of perfluorocarboxylic acid and 1,2-propanediol of 1:1, 0.6%; titanate alcohol and methylsilane with a weight ratio of 1:1 Molecular bridge of proportioning, 1.0%; Silicone modified acrylic acid polymer emulsion, 45%; Commercially available dodecyl alcohol ester (film-forming aid) 0.1%, product model is the commercially available bactericide ...

Embodiment 2

[0022] A method for spraying heat-insulating film on the surface of glass. In the low-temperature section of the glass production process, when the temperature is 300 ° C, high-pressure airless spraying of a heat-insulating film of polymer inorganic nanocomposite coating, and then 80 minutes to reduce the temperature of the sprayed glass surface The temperature is lowered to 100°C, and the spraying of the thermal insulation film on the glass surface is completed.

[0023] The polymer inorganic nanocomposite coating is nano Sb doped SnO 2 10% semiconductor powder, and nano-In doped SnO 2 10% semiconductor powder; dispersant of 0.25% perfluorocarboxylic acid and 0.25% 1,2-propanediol; molecular bridge of 0.75% titanate alcohol and 0.75% propylsilane; silicone modified acrylic polymer emulsion 45 %; film-forming aid 0.2%, anti-mold agent 0.1%, defoamer 0.3%, pH value stabilizer 0.52%, leveling agent 0.26%, wetting agent 0.1% and thickener 0.1% and other additives; the rest The ...

Embodiment 3

[0025] A method for spraying heat-insulating film on the surface of glass. In the low-temperature section of the glass production process, when the temperature is 225°C, spray polymer inorganic nanocomposite coating (heat-insulating film, and then use 55min to reduce the temperature of the sprayed glass surface to 90°C, complete the spraying of the heat insulation film on the glass surface.

[0026] The polymer inorganic nanocomposite coating is nano Sb doped SnO 2 Semiconductor powder 11%, and nano-In doped SnO 2 11% of semiconductor powder; dispersant of 0.35% of fluorodiol and 0.35% of 1,2-propylene glycol; molecular bridge of 0.1% of titanate alcohol and 0.1% of butylsilane; 50% of silicone modified acrylic polymer emulsion; 0.15% film-forming aid, 0.1% antifungal agent, 0.37% defoamer, 0.55% pH stabilizer, 0.3% leveling agent, 0.1% wetting agent and 0.1% thickener and other additives; the rest is Deionized water.

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Abstract

The invention relates to a method for spraying and coating a heat insulation film on the surface of glass. The heat insulation film is sprayed and coated on a low-temperature stage in the glass production process, and spaying and coating paint is high molecular inorganic nanometer composite paint. The high molecular inorganic nanometer composite paint is prepared from the following ingredients in percentage by weight: 40 to 50 percent of organic silicon modified acrylate copolymer emulsion, 17 to 25 percent of nanometer semiconductor materials mixed by nanometer Sb doping SnO2 semiconductor powder bodies and nanometer In doping SnO2 semiconductor powder bodies according to the weight ratio of 1 / 1, 0.1 to 1.5 percent of molecular bridge and 0.5 to 0.7 percent of dispensing agents. The method of the invention adopts low-temperature stage spraying and coating, so the method has low energy consumption, does not need additional heating, does not need an additional constant-heat-preserving furnace, and realizes the effects of low carbon and environment protection. The spraying and coating of the invention adopts the low-temperature stage in the glass production process, the method can be adopted in the widest tolerant work process (procedure) stage of the production lines, and the production lines such as a floating method glass production line, a glass container production line, a glass sectional material production line and the like, the integration is easy, and the applicability is wide.

Description

technical field [0001] The invention relates to a method for spraying a heat-insulating film, in particular to a method for spraying a heat-insulating film on the surface of a glass product. Background technique [0002] Glass film formation is generally achieved by sputtering or deposition methods. For example, Chinese patent 93110358.4 discloses "Preparation method and special nozzle for glass transparent heat insulation film". Heat insulation film; Chinese patent application 200310111067.4 discloses a transparent heat insulation film, which is characterized in that F and Mn elements are co-doped with F and Mn elements to deposit nano-SnO on the glass surface by chemical deposition or ultrasonic spray pyrolysis deposition, thereby obtaining a transparent insulation film Thermal film. Chinese patent application 98100128.9 discloses a "preparation method of heat-insulating and defrosting coated glass". The indium-tin alloy ceramic target is sputtered onto a glass surface wi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C17/00
Inventor 王德富韩志范
Owner 重庆龙者伯尔高新材料有限公司
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