Preparation and Characterization of Low Density Poly （Imino Imino Ketone） Foam

刘思曼¹，常冠军²，LUO Meiming³

1. Department of Chemistry and Chemical Engineering, Mianyang Normal University2. State Key Laboratory Cultivation Base for Nonmetal Composite and Functional Materials & School of Material Science and Engineering, Southwest University of Science and Technology3. Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of Chemistry, Sichuan University

摘 要：Poly（Imino Ketone）（PIK） is a group of novel high performance polymer material with excellent thermal properties and dissolubility. Aiming at the requirements of inertial confined fusion（ICF） studies on low density polymer foams, we firstly synthesized poly（imino imino ketone）（PIIK） by palladium catalyzed C-N cross-coupling reaction, and successfully prepared the PIIK foam material with a density of 80-300 mg/cm3 by using PIIK as the raw material with thermal-induced phase separation and lyophilization technique. Mercury injection method was used to determine the structure of PIIK foams, and the results indicated that the mean pore diameter was lower than 5 μm and it had relatively high voidage and specific surface area.

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