STUDY AND APPLICATION DEVELOPMENT OF POLYIMIDES

WT5,5”BZPolyimides have excellent thermal stability, outstanding mechanical and good dielectric performance. Recently, many new kinds of polyimides have been developed. The study and development of polyimides are summarized in this paper. Polyimides with unique properties can be achieved by introducing special structures. Carbon fiber/polyimide composites for application to aerospace possess some unique characteristics including resistance to high temperature, high specific modulus and high specific strength. Besides, the utilization of polyimides in microelectronic industry is included.