Effects of nano-CuO particles on thermal decomposition behavior and decomposition mechanism of BAMO–GAP copolymer

• Published in: Journal of analytical and applied pyrolysis 2015-03, Vol.112, p.88-93
• Main Authors: Pei, Jiang-Feng, Zhao, Feng-Qi, Song, Xiu-Duo, Ren, Xiao-Ning, Gao, Hong-Xu, An, Ting, An, Jing, Hu, Rong-Zu
• Format: Article
• Language: English
• Subjects: BAMO–GAP copolymer; Catalyst; Decomposition mechanism; Nano-CuO; Thermal decomposition
• ISSN: 0165-2370; 1873-250X
• DOI: 10.1016/j.jaap.2015.02.017

•Thermal decomposition behaviors of BAMO–GAP with or without nano-CuO were studied.•Nano-CuO made more N2 be released in process of thermal decomposition of BAMO–GAP copolymer.•Mechanism about effect of nano-CuO on decomposition of BAMO–GAP was discussed. The effects of nano-CuO particles on thermal decomposition behavior of the copolymer of 3,3′-bis(azidomethy) oxetane and glycidyl azide polymer (BAMO–GAP) were investigated by employing DSC–TG–FTIR–MS coupling technique. The results showed that, when the nano-CuO was dispersed into the BAMO–GAP copolymer, the thermal decomposition temperatures of copolymer was decreased, the apparent activation energy was decreased by 11.2kJmol−1 and the apparent decomposition heat increased by maximum 12%. The major gaseous products of BAMO–GAP copolymer and BAMO–GAP/CuO were identified. It was suggested that nano-CuO enhanced the NN bond breaking in azido groups and more N2 was released. Namely, nano-CuO is a marked kind of catalyst, which has a crucial effect on thermal decomposition of BAMO–GAP copolymer.