Preparation and characterization of low density Poly (Imino Imino Ketone) foam

Siman Liu; Guanjun Chang; Meiming Luo

doi:10.1007/s11595-016-1432-6

Journal of Wuhan University of Technology Materials Science Edition ›› 2016, Vol. 31 ›› Issue (3) : 700 -704. DOI: 10.1007/s11595-016-1432-6

Organic Materials

Preparation and characterization of low density Poly (Imino Imino Ketone) foam

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Abstract

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.

Keywords

poly(imino imino ketone) / foam / thermal-induced phase separation / lyophilization technique

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Siman Liu, Guanjun Chang, Meiming Luo. Preparation and characterization of low density Poly (Imino Imino Ketone) foam. Journal of Wuhan University of Technology Materials Science Edition, 2016, 31(3): 700-704 DOI:10.1007/s11595-016-1432-6

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