期刊
CARBON
卷 62, 期 -, 页码 517-520出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.carbon.2013.06.020
关键词
-
资金
- European Community [296006]
A very simple method is described for preparing ultra lightweight and ultralow cost carbon foams (density 0.04-0.075 g cm(-3) and porosity 98-96%) by impregnation with sucrose of household cleaning pad wastes used as sacrificial templates, followed by pyrolysis in inert atmosphere. Scanning electron microscopy showed that the resultant reticulated vitreous carbon (RVC) foams had a fully open and interconnected porous structure. These materials are more thermally insulating (thermal conductivity 0.042-0.065 W m(-1) K-1) than commercial RVC foams having similar compressive strengths (0.11-0.23 MPa) and similar densities. (C) 2013 Elsevier Ltd. All rights reserved.
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