Fluorinen paint is a paint with fluororesin as the main film-forming substance. Its film-forming base materials include PTFE, PVDF, FEVE, PFA, FEP, ETFE and PCTFE.
Compared with other types of coatings (such as polyacrylate, epoxy resin, and polyurethane, etc.), Fluorine coatings have a unique chemical structure and excellent weather resistance, corrosion resistance, stain resistance, and high and low temperature resistance.
application in construction
Fluorocarbon coatings have become a widely used material in the construction field because of their good heat resistance, low temperature resistance, acid and alkali resistance, and unique non-stick and low friction properties.
In terms of building exterior wall decoration and thermal insulation and energy saving: fluorocarbon emulsion is usually used in combination with other functional fillers and reinforcing materials. Composite exterior wall thermal insulation and energy-saving coatings with high reflectivity and high emissivity can also be prepared. This coating can not only effectively reflect sunlight and reduce heat absorption, but also improve the thermal insulation performance of the building by adding infrared radiation powder. To achieve the purpose of energy saving and emission reduction. Shanghai Science and Technology City, Pudong International Airport, Hongkou Stadium and other buildings all use large areas of fluorocarbon paint as exterior wall decoration and thermal insulation coatings.
In terms of protection of building steel structures: fluorine coatings also play an important role in the protection and anti-corrosion of building steel structures. For example, the high-grade fluoropolymer coating system made of PTFE emulsion is used in the China National Stadium (commonly known as the "Bird's Nest") Steel structure anti-corrosion engineering.
Application in daily life
Fluorine coatings are widely used in daily life, including food contact materials, furniture industry, automotive industry and other fields. These applications demonstrate the potential of fluorine coatings in improving product performance and quality of life.
Food contact materials: With its special oil-proof and waterproof properties, fluorine coatings are increasingly used in food contact materials and have become an indispensable coating in the food processing industry. They are mainly used in rice cookers, grills, Deep frying pans, woks and electric hot pots, etc.
Furniture industry: Water-based fluorocarbon coatings solves the problems of traditional water-based wood coatings such as easy water absorption, easy cracking and oil sealing and tannic acid sealing during use, and provides an effective protective layer to extend the service life of furniture.
Automobile industry: Viton-coated metal gaskets are made by coating the surface of metal gaskets with fluorine-rubber paint. This 3-layer gasket structure (fluorine rubber coating, base coating, surface coating) can provide excellent sealing performance and excellent temperature resistance and corrosion resistance, which is suitable for the media (such as air) inside the engine block. , fuel mixture and lubricating oil, etc.) plays a positive role in sealing under working environments such as high temperature, high pressure, irregular high-frequency vibration, etc.
application in medical
The application of fluorine coatings in medical applications is mainly reflected in its excellent biocompatibility, chemical resistance, heat resistance and self-lubricating properties. These characteristics make fluorine coatings an ideal choice for medical device coatings, especially in Where friction needs to be reduced and adhesion prevented. For example, PTFE (polytetrafluoroethylene) coatings are the fluoropolymer of choice for many medical device coating applications because of their material properties of low friction, chemical resistance, and high temperature stability.
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