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Browsing by Author "Wei, Kuang-Hwa"

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    Covalently bonded polyhedral oligomeric silsesquioxane/polyimide nanocomposites and process for synthesizing the same
    (2007-02-01)
    Wei, Kuang-Hwa
    ;
    Leu, Chyi-Ming
    Polyhedral oligomeric silsesquioxane/polyimide nanocomposites with certain mechanical properties and low dielectric constant is synthesized by covalently tethering functionalized polyhedral oligomeric silsesquioxane molecules to polyimide. These nanocomposites appear to be self-assembled systems. A process for synthesizing said polyhedral oligomeric silsesquioxane/polyimide nanocomposites also is provided, comprising a step of forming porous type polyhedral oligomeric silsesquioxane, and a subsequent step of reacting with dianhydride or directly reacting with synthesized polyimide.