Exceptional mechanical, electrical, temperature and chemical resistance in aggressive environments, where reliability and durability are essential.
The first polyimide thin films debuted in the 1960s with DuPont’s invention of KAPTON®, made by the reaction of Pyromellitic dianhydride and 4,4′-Oxydiphenylamine. These films found popularity as wire insulation on commercial and military aircraft. Since then, applications expanded to include blankets for spacecraft and substrates for flexible printed circuitry, the predominant technology in smart devices including phones, tablets and automotive electronics to optimize thermal and dielectric properties. Available in a variety of thicknesses and laminate forms, polyimide film is lightweight, flexible and, in its newest form, colorless. Colorless polyimide film (CPI) can be found on the latest foldable smartphone designs.