What kinds of silicone resin coatings are there? The coating industry is an important industry. Many construction projects need to use a variety of coatings. Among many raw materials for coatings, silicone resin is a very important one.
It can be divided into pure silicone resin coatings and silicone modified resin coatings according to the types of film formers. The pure silicone resin coating has outstanding heat resistance and insulation, and shows excellent weather resistance and corrosion resistance under high temperature environment. It is also an excellent high-temperature insulation coating.
The silicone modified resin coating includes silicone modified phenolic resin, alkyd, polyester, acrylic acid, epoxy and polyurethane resin. According to the amount of silicone material, the heat resistance, weather resistance, corrosion resistance, flexibility and other properties of the modified resin can be improved in varying degrees, and the film forming performance of the silicone resin can also be improved.
Organic silicon modified alkyd resin coating, when the amount of organic silicon is appropriate, the weather resistance can be improved by four times; The heat resistance and corrosion resistance are obviously improved, and the whole coating grade is improved. Organic silicone modified alkyd resin coating is widely used in the coating of high voltage transmission line towers, railway highway bridges, freight cars, power stations, oil mining equipment, outdoor chemical devices, and agricultural machinery. It is also often used for metal and plastic anti-corrosion protective coatings, weather resistant and chemical resistant coatings with good adhesion, printing inks, water line coatings for ships and factory weather resistant coatings.
The use temperature of silicone modified polyester amino coating can be increased from 120~150 β to 180~200 β, and its weather resistance and corrosion resistance are also significantly improved. One of the main uses of silicone modified polyester amino coatings is to be used for coil coatings to improve its acid rain corrosion resistance and weather resistance, and expand the external use scope of color board buildings.
The silicone modified acrylic resin coating can improve its cold resistance, water resistance, alkali resistance, weather resistance and electrical performance. When 3-methacryloyloxypropyltrimethoxysilane (MPTS) is copolymerized with butyl acrylate, methyl methacrylate and n-butyl methacrylate, and the amount of MPTS accounts for 30% of the total monomer, the weather resistance is excellent, and its physical properties and comprehensive properties are also good.
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