company news about Ultrasonic glass spraying - ultrasonic spraying method for preparing Low-emissivity glass

Ultrasonic glass spraying - ultrasonic spraying method for preparing Low-emissivity glass

Abstract: Low-emissivity glass is a kind of conductive film sprayed on the glass to make the glass have the characteristics of visible light transmission and infrared light reflection, which makes the glass have the energy-saving effect. This article mainly shows how to use ultrasonic glass spraying method to spray SnO2: F thin film on glass substrate to prepare low emissivity glass.

Key words: low emissivity glass; conductive film; ultrasonic spraying; spraying

Conductive film as a multifunctional inorganic material, not only have low resistance, high visible light transmittance, but also has excellent membrane strength and chemical stability. Glass coated with a conductive film can be made of low emissivity glass. At present, low-E glass in developed countries such as Europe and the United States, more than 70% of residential have replaced low-E glass, saving a lot of energy. Therefore, how to prepare high-quality low-emissivity glass has gradually become a hot research topic in China.

At present, our company through its own research and development of ultrasonic glass spray to prepare high quality low-e glass. Ultrasonic spraying equipment from the carrier module, carrier module, atomization module composed of three parts. The carrier gas module provides power support for the ultrasonic spray equipment and is capable of controlling the extent and shape of the spray; the carrier module is a device for the ultrasonic spray equipment to store and deliver the sprayed liquid; the atomizer module is the core module of the ultrasonic spray equipment responsible for the atomization of the liquid And scattered. In the experiment, SnCl4, H20, C2H5OH and NH4F were used to prepare a mixed solution. The prepared mixed solution was placed in the carrier liquid module of the ultrasonic spray equipment, the ultrasonic generator control system was turned on to generate the atomization and adjustment carrier gas module, and the control Spray spray flow rate and direction, this time can be sprayed on the glass substrate. In general, spraying time can not be too long or too short, too long will affect the light transmittance, the time is too short to prepare the film will be incomplete, 10-20 minutes.

Using our ultrasonic glass spraying equipment, experiments show that we can prepare high-quality SnO2: F thin-film glass. After instrument testing, the results showed that the visible light transmittance of 85%, the infrared cutoff wavelength of 1800nm, the resistance of 2 trillion cubic centimeter per cubic centimeter, the average particle size of 50nm.

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