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Erschienen in:
1984 | OriginalPaper | Buchkapitel
Advances in Acetylene Substituted Polyimides
verfasst von : A. L. Landis, A. B. Naselow
Erschienen in: Polyimides
Verlag: Springer US
Enthalten in: Professional Book Archive
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An acetylene-substituted isomer of a polyimide was prepared and thermally isomerized into acetylene-substituted polyimide. Subsequent cure through the acetylene end groups yielded resin with mechanical and thermal properties similar to “Thermid 600” the first of the acetylenic polyimides to be marketed. Advantages of the isomer designated “IP-600” over the polyimide HR-600 are its lower melting range, high solubility in common solvents, and longer gel time. These advantages lead to markedly improved processing characteristics.