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Application of fluoroalkoxysilane
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Application of fluoroalkoxysilane

    As the cross material of organic silicon and organic fluorine, organic fluorine silicon material performance takes into account the characteristics of organic silicon products and organic fluorine products. It has the characteristics of low surface tension, solvent resistance and chemical resistance. The product forms include fluorosilicone rubber, fluorosilicone oil and fluorosilicone coating. Fluorosilicone rubber has many excellent properties such as high strength, high tear resistance, high modulus, low compression deformation, good low temperature performance and so on. In addition to the common characteristics of fluorosilicone materials, fluorosilicone oil products also have high-efficiency lubricity unmatched by other ordinary oil products. These products have been widely used in automobile, spacecraft, steel, glass and mining industry, and have achieved great market and economic benefits.

    Fluorosilicone coating is another rapidly developing field of organic fluorosilicone materials. Fluorosilicone coating has better hydrophobic, oil repellent, dirt repellent, chemical medium resistant and high and low temperature resistant properties than ordinary coatings. It is mainly used in hydrophobic, oil repellent and dirt repellent occasions of glass surface, architecture, fabric, leather, outdoor sculpture, advertising and road signs. The elongation of fluorosilicone coating is better than any previous resin coating so it is not easy to crack or peel off. It is an ideal coating. In order to ensure clear vision In automobiles, trains, aircraft, ships, houses, shopping malls, etc when walking in rainy days, waterproof and antifouling agents are coated on glass surfaces such as glass windows or mirrors to prevent water droplets from adhering to the glass surface and ensure good vision. So far, waterproof agents based on amino polysiloxane and fluoroalkyl silane have been proposed. The waterproof agent with amino polysiloxane as the main component has the advantage that it is easy to treat the glass surface. It can be used even if it contains water. It can also be used simply in rainy days. However, it has the problem of poor waterproof because it contains hydrophilic amino groups. The waterproof agent mainly composed of fluoroalkyl silane has the advantages that its molecular skeleton contains fluorine atoms, excellent durability and excellent oil resistance.

    For the glass surface especially the glass mirror, the application of waterproof and antifouling agent must meet the following requirements: (1) The original opticalSignificantly reduce the coefficient of surface friction properties of the glass surface shall be guaranteed. (2) Ideal drainage and oil drainage angle (3) Good wear resistance that is good adhesion (4) Significantly reduce the surface friction coefficient. Organofluoroalkyl silane can meet these requirements. At present, there are not many varieties of fluorosilane in the market. It mainly includes trifluoropyl trimethyl (ethyl) oxysilane, tridecyl fluorooctyl trimethyl (ethyl) oxysilane, heptafluorodecyl trimethyl (ethyl) oxysilane, etc. Trifluoropyl trimethyl (ethoxy) silane does not show good waterproof and antifouling effect because of the small number of fluorine atoms on the main chain and even less than ordinary sodium methylsiloxane. If you want to volatilize its ideal antifouling performance, it needs to be processed to make it into fluorosilicone resin for antifouling coating or paint base material. Therefore, the fluorosilanes used for glass surface treatment are mainly trifluorooctyl trimethyl (ethyl) oxysilane and heptafluorodecyl trimethyl (ethyl) oxysilane, and their application effects are not different. Quzhou Dongye Chemical Technology Co., Ltd. specializes in providing fluorosilane coupling agents such as trifluorooctyl trimethoxysilane dy-f1302, trifluorooctyl triethoxysilane dy-f1303, heptafluorodecyl trimethoxysilane dy-f1702 and heptafluorodecyl triethoxysilane dy-f1703 which can meet the broad market demand.

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