含能材料Issue(1)：26-30,5.DOI:10.3969/j.issn.1006-9941.2014.01.006
硝化棉气凝胶的微结构及热分解特性
Microstructure and Thermal Behavior of NC Aerogel
摘要
Abstract
To study the microstructure of nitrocellulose( NC)aerogel and its relationship with thermal properties,NC aerogel was prepared by sol-gel method and supercritical drying. The microstructure,crystallizability and thermal properties of the aerogel were characterized by SEM,XRD and TG/DSC-FTIR methods. Results show that:the microstructure of NC aerogel is nano-porous structure accumulated by nano-particles. The crystallization of NC is destroyed in NC aerogel,presenting amorphous disordered state. In comparison with NC,the DTG peak temperature and DSC exothermic peak temperature of NC aerogel shift 7 ℃ and 12 ℃ downwards,respectively,and the decomposition heat increases from 1429.87 J·g-1 to 1689.21 J·g-1.关键词
高分子材料学/硝化棉( NC)气凝胶/纳米结构/热分解Key words
polymer-science/nitrocellulose( NC)aerogel/nano-structure/thermal decomposition分类
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于宪峰,晋苗苗..硝化棉气凝胶的微结构及热分解特性[J].含能材料,2014,(1):26-30,5.基金项目
爆炸科学与技术国家重点实验室基金 （）
