| 초록 |
Recently, polyimide with improved properties has been attracting attention as the use of polyimide increased. We have succeeded in synthesizing hybrid polyimide with polysilsesquioxane, a hybrid material having intermediate properties between organic and inorganic materials. Polysilsesquioxane has not only properties derived from organic materials such as processability and tougness but also inorganic properties such as heat resistance and oxidation stability. Finally, we have fabricated hybrid polyimide composite using POSS ( polyhedral oligomeric silsesquioxane) with eight phenyl groups and LPS (ladder-like polysilsesquioxane) with phenyl and epoxy groups in each 8:2 ratio. The structure of POSS and the ratio of phenyl group to epoxy group in LPS were confirmed by H-NMR. And, the characteristics of hybrid polyimide composite were analyzed by various analytical tools. This was supported by Korea National University of Transportation in 2019. |
