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polyimide
Sign in to savethumb|right|Chemical structure of Kapton, a polyimide. Polyimide (sometimes abbreviated PI) is a polymer containing imide groups belonging to the class of high-performance plastics. With their high heat-resistance, polyimides enjoy diverse applications in roles demanding rugged organic materials, such as high temperature fuel cells, displays, and various military roles. A classic polyimide is Kapton, which is produced by condensation of pyromellitic dianhydride and 4,4'-oxydianiline.
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Les polyimides (en abrégé PI) sont des polymères colorés (souvent ambrés) qui comportent des groupes imide dans leur chaîne principale. Les polyimides sont surtout connus pour leur thermostabilité.
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