In industrial production, the application of chemical industry is roughly divided into technical application, energy saving and consumption reduction application and environmental protection application. Technical application mainly refers to the application of chemical technology for industrial production; energy saving and consumption reduction mainly refers to reducing energy consumption in production through chemical application; environmental protection application mainly uses chemical principles to treat industrial waste gas and wastewater. There are also some applications such as inks, cured coatings, efficient hindered amine light stabilizers, etc.