Add time:09/28/2019 Source:sciencedirect.com
Highly porous polybenzoxazine-based vitreous carbon foams prepared by a self-blowing process followed by pyrolysis at 900 °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.
We also recommend Trading Suppliers and Manufacturers of Diphenolic acid (cas 126-00-1). Pls Click Website Link as below: cas 126-00-1 suppliers
About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia
Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog
©2008 LookChem.com,License: ICP
NO.:Zhejiang16009103
complaints:service@lookchem.com Desktop View