Polyimide is one of the organic polymeric materials with the best comprehensive performance. It can withstand high temperature up to 400℃, with a temperature range of -200~300℃ for long-term use, and high insulation performance. Durle® polyimide resin is widely used in film, coatings, advanced composite material, fiber, foam plastic, adhesives, photoresists, insulating material, liquid crystal display alignment agent, electro-optic material, humidity sensitive material, aviation, aerospace, microelectronics, nanotechnology, separation membranes, and laser light fields.