期刊
CARBON
卷 95, 期 -, 页码 919-929出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.carbon.2015.09.012
关键词
Carbon foam; Closed porosity; Characterisation; Polybenzoxazine
资金
- CPER Structuration du Pole de Competitivite Fibres Grand'Est'' (Competitiveness Fibre Cluster), through local (Conseil General des Vosges), Regional (Region Lorraine)
- European (FEDER) funds
- National (DRRT)
- National (FNADT)
Highly porous polybenzoxazine-based vitreous carbon foams prepared by a self-blowing process followed by pyrolysis at 900 degrees C are presented. Both organic and carbon foams were described in terms of porosity and thermal and mechanical properties, but the investigations mainly focused on carbon foams, with additional Raman, mercury porosimetry and SEM studies. It is clearly shown that the special foaming process, unlike others previously reported for preparing the same kind of materials, allowed obtaining a significant fraction of closed cells. This feature, although rather common for many organic foams, is unique for carbon foams who had to endure significant release of volatile matters and shrinkage during pyrolysis. As a consequence, the lowest thermal conductivities ever reported for cellular vitreous carbon foams were measured. (C) 2015 Elsevier Ltd. All rights reserved.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据