Preparation method and development trend of low reflection glass for museum display cases!

Preparation method and development trend of museum display case low reflection glass! Hangzhou CSG Glass Technology Co., Ltd. has focused on museum display case low-reflection glass for 20 years, to provide users with professional museum glass, display case glass, anti-reflection glass, low-reflection glass, jewelry display case glass, luxury display case glass manufacturing, museum display case low-reflection glass to clearly reproduce the beauty of cultural relics, carefully care for cultural relics safety as its responsibility, always standing at the forefront of science and technology, Leading technological change, promoting industry innovation, museum display case low-reflection glass in the forefront of the market, won customer praise.

1, museum display case low reflection glass introduction, museum display case low reflection glass, also known as low reflection glass or anti-glare glass. The preparation process is to pass a special surface treatment process on one or both sides of the high-quality glass original so that it has a low reflectivity (reflectivity is reduced from 4% to 8% of the original ordinary glass to 1% to 2%) without affecting the transmittance. Even the glass can produce diffuse reflection under strong light conditions, further reduce the screen reflection, improve the visibility and brightness of the display screen, make the image clearer, and more saturated color, produce a good visual effect, create a clear and transparent visual space, so that the viewer experience a better visual enjoyment.
2, the application status of museum display cases of low-reflection glass, in recent years, museum display cases of low-reflection glass have developed rapidly, and the application range is more and more wide. Based on the survival and continuation of mankind, energy demand has become the subject of research and development. However, due to the limited cognitive ability of human beings, there is a large degree of waste in the use of energy, resulting in constant tension in the energy supply. Museum display case low reflection glass has the advantages of anti-glare characteristics and high transmittance, with solar collectors, and solar cells used together, not only improve the absorption rate of solar energy but more effectively solve the problem of reflected light pollution of traditional solar installations. Solar energy conversion and utilization devices have now entered thousands of households, realizing the integration of buildings and solar energy utilization. Especially in the field of traffic command and remote areas and other special occasions, museum display cases of low-reflection glass also have an irreplaceable role.
With the advancement of urbanization, more and more high-rise buildings are built around the glass curtain wall as decoration, which leads to more and more serious light pollution problems. On the one hand, light pollution is the killer of accidental traffic accidents. Under the sun, traffic lights and driving vehicles will reflect light through the glass curtain walls of high-rise buildings along the aisle or at traffic junctions, and the reflected light can cause sudden temporary blindness and optical illusion to drivers, seriously endangering pedestrians and driving safety. On the other hand, the glass curtain wall near the residential area will reflect the surrounding buildings, which will inevitably bring certain troubles to the residents living nearby. The light pollution caused by reflected light is difficult to eliminate or reduce by decomposition, transformation, or dilution like other pollution, so the low-reflection glass of the museum display case has become the ideal material for high-grade architectural glass. We all have the experience of being attacked by glare in our daily lives, partly from the glare source and partly from the glare reflection. For example, when operating a computer, due to the existence of the glass window, the liquid crystal display screen and the liquid crystal touch screen can not be seen clearly because of the reflection. The use of museum display cases made of low-reflective glass can effectively solve such glare pollution problems.
3, museum display case low reflection glass preparation method, museum display case low reflection glass through the use of spraying method, sol-gel dipping method, magnetron sputtering method, vacuum evaporation method or acid etching method to reduce its surface light reflectivity, enhance performance, can be applied to solar collectors, advanced photo frames, liquid crystal display, industrial instruments and touch screen and other fields.
(1) Spraying method, clean the glass, and spray it after drying; The lithium silicate solution is configured, and then the cleaned glass plate is heated to 50 ~ 60℃, and the pressurized low-flow jet system is used to spray the lithium silicate solution on the surface of the heated glass plate. Finally, the sprayed glass plate is heated to about 200 ° C and then cooled, and then the glass surface is cleaned with 50 ~ 60 ° C water and can be dried.
(2) Sol-gel dipping method, using the sol-gel dipping method to form an anti-reflective film on both sides of the general flat glass, can not only greatly reduce the reflectivity of the general glass surface, but also improve the visual clarity of the glass.
(3) Magnetron sputtering method, continuous plating of multi-layer dielectric film (TiO2 and SiO2) on the glass surface, so that it has a low reflectivity, and the light transmittance is increased to more than 98%. This method is a more complex process, with high requirements for the environment and equipment, and therefore high cost, suitable for manufacturing high-end technology products.
(4) Vacuum evaporation method, plating a layer of magnesium fluoride and other anti-reflection film on the glass surface, this method is mainly suitable for camera lenses, filters, and other small precision optical components. The anti-glare effect of a low-reflection glass of museum display cases prepared by this method is good, and it is an important way to prepare a low-reflection glass of museum display cases. However, the process is more complicated, the cost is higher, and the corrosion resistance and scratch resistance are poor under harsh conditions such as strong light irradiation or outdoor wind and rain; After a period of use, it is easy to wear and shine, and the coating layer is also easy to fall off or change color, losing the anti-glare effect.
(5) Acid etching method, as a low-input, low-energy glass surface treatment method, acid etching treatment of glass has the advantages of wear resistance, long shelf life, etc., suitable for large-area glass etching and large-scale museum display case low-reflection glass production. However, the main component of the etching solution used is acidic fluoride, even if it can overcome the defects that the coating method is easy to falls off and the surface is easy to scratch, the working environment is prone to pollution due to the high volatility of fluoride, and there are certain safety risks. On the other hand, the waste etching fluid can only be discharged after the treatment standard, which is very difficult to deal with, and easy to cause environmental pollution, while the treatment cost is high, which greatly increases the production cost and affects the economic efficiency.
4, museum display case low-reflection glass classification, museum display case low-reflection glass is divided into two types from the function: anti-reflection museum display case low-reflection glass and anti-glare museum display case low-reflection glass.
(1) Anti-reflection museum display case low-reflection glass, anti-reflection museum display case low-reflection glass by reducing the full spectrum reflection of incident light, increase transmission, improve transparency from the effect, reduce reflectivity. For example, solar collector glass, glass warm room, and glass curtain wall, the main application is anti-reflection museum display case low reflection glass. In the preparation process, only a thin film with a small refractive index needs to be plated on the glass substrate to achieve the function of reducing reflectivity and improving transmittance. The main factors that determine the effect of anti-reflection film are the refractive index and film thickness of the film.
(2) Anti-glare museum display case low-reflection glass, anti-glare museum display case low-reflection glass reduces the mirror reflection of the glass surface, and increases diffuse reflection under the premise of ensuring sufficient transmittance, so it has an anti-glare function. Anti-glare museum display cases Low-reflection glass can be used in high-grade photo frames and glass display cases. Anti-glare museum display case low-reflection glass, in the preparation process through an acid etching glass surface, makes the glass surface rough, forms a small concave and convex surface, and increases the diffuse reflection of the surface, to achieve the function of anti-reflection. When the human eye is exposed to diffuse light, it can see the shape of the object. The reflectivity and transmittance of anti-dazzle glass prepared by acid etching are often affected by the concentration of acid etching solution, erosion conditions (time, temperature), and other factors.
5, museum display case low-reflection glass development trend, today's society to promote energy conservation and environmental protection, solar energy as a new clean energy by the people attach great importance. The current low transmittance of solar glass has led to the low conversion efficiency of solar cells, resulting in an increase in the cost of solar power generation and restricting the pace of solar energy applications. Therefore, the high-quality low-reflection glass of the museum display case has become the competitive and valuable product in the development and utilization of solar energy.
At present, the domestic use of museum display cases of low reflection glass basically can meet some of the transmittance requirements are not high decorative glass, architectural glass, and in the liquid crystal display screen, advanced photo frames, glass display cases, and other aspects, the transmittance can not meet the requirements. Especially in terms of optical components, low-reflection glass in museum display cases has an irreplaceable and important use. Therefore, the research value of low cost, low energy consumption, low pollution, and high-quality low-reflection glass for museum display cases is great and has huge market potential.

With the desirable performance of low-reflection glass in museum display cases widely recognized, as well as the diversification of products and the diversification of application specifications and sizes, the application field of low-reflection glass in museum display cases will continue to expand. How to apply the existing research results to production as soon as possible and further exploring the more practical and effective production process of other types of low-reflection glass for museum display cases is the future development trend of low-reflection glass for museum display cases.