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HomeKey Engineering MaterialsKey Engineering Materials Vols. 645-646Hierarchically Ordered Porous Carbon as a Host...

Hierarchically Ordered Porous Carbon as a Host Material for Energetic Composites

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Abstract:

Hierarchically ordered macro-/mesoporous carbon (HOPC) was synthesized via a dual-template approach and used as the host matrixes to design the host-guest energetic composites. Monodisperse silica colloidal crystals were used as a hard template, amphiphilic triblock copolymer Pluronic F127 as a soft template, and soluble resols as a carbon source. The obtained HOPC is composed of highly ordered fcc macropores (225 nm), interconnected macropore windows (40 nm), and large mesopores (11.6 nm), resulting in high surface area (503.6 m2/g) and large pore volume (0.833 cm3/g). A high energy material (CL-20) had been encapsulated in HOPC by impregnation process, and the maximum loading amount was around 63 wt.%. The synthesized CL-20/HOPC host-guest energetic composites exhibit much lower thermal decomposition temperature than that of pure CL-20 and their physical mixture.

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Micro-Nano Technology XVI

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Periodical:

Key Engineering Materials (Volumes 645-646)

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64-69

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.645-646.64

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Online since:

May 2015

Authors:

Jin Chen, Si Min He, Hua Qiang Cai, Qing Li Hao, Hui Huang*

Keywords:

CL-20, Energetic Composites, Hierarchically Ordered Porous Carbon, Host-Guest Chemistry, Impregnation

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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* - Corresponding Author

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