Silicon is widely used in the field of coatings, greatly improving the performance of coatings and meeting the needs of different scenarios.

First, silicone significantly enhances the weather resistance of coatings. For example, in outdoor steel structure coatings, silicone resin can form a stable and tough protective film, and its silicon-oxygen bond can resist the erosion of ultraviolet rays and atmospheric pollutants. Billboards, street lamp poles, etc. that are exposed to the outdoors for a long time can still maintain bright colors and smooth surfaces for several years after being coated with silicone-containing coatings. They are not easy to powder or fade.

Second, silicone can improve the heat resistance of coatings. Equipment used in high temperature environments, such as chimneys and boilers, need to be protected by heat-resistant coatings. Silicone coatings can withstand high temperatures and maintain good physical properties at 300℃ - 500℃ or even higher temperatures without falling off or cracking. For example, the inner wall of the chimney of a power plant is coated with silicone high-temperature resistant coatings, which can resist high-temperature flue gas erosion and extend the service life of the chimney.

Silicone can also improve the water resistance of coatings. Silicone-containing polymers can reduce the surface tension of coatings, making it difficult for water to adhere to the surface of the coating. When used in exterior wall coatings, it can effectively prevent rainwater from penetrating and keep the wall dry. For seaside buildings, seawater has high salinity and strong corrosiveness. Silicone-modified coatings can better resist seawater erosion and protect building structures.

In addition, silicone gives the coating good leveling and glossiness. In furniture coatings, adding silicone additives can make the coating spread evenly on the surface of the furniture, forming a flat and smooth coating, which improves the aesthetics of the furniture. Moreover, silicone can reduce the surface energy of the coating, making the coating self-cleaning, making it difficult for dust and stains to adhere, and even if they do adhere, they are easily washed away by rain. For example, road signs are coated with silicone-containing self-cleaning coatings, which can keep the signs clear and reduce manual cleaning costs.

The application of silicone in coatings brings new opportunities for the development of the coating industry, allowing coatings to play a greater role in different fields and meet people's demand for high-quality and high-performance coatings.