Journal
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
Volume 94, Issue 2, Pages 436-441Publisher
WILEY-BLACKWELL
DOI: 10.1111/j.1551-2916.2010.04121.x
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Funding
- DFG
- DAAD, Germany
- CSIR, India
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Cellular catalyst supports gain an increasing importance for exhaust gas treatment and environmental catalysis. In combination with photocatalytical active components, a high light transmittance is necessary for high-efficiency activation. In order to obtain optically suitable glass foams, a novel process was developed based on the use of a preceramic polymer. During thermal decomposition, the polymer provides highly dispersed silicon dioxide (SiO2), which simultaneously reacts with a glass modifier to form a borosilicate glass. Because of a low processing temperature of 1050 degrees C or less, the open-cellular structure was retained and is therefore suitable for coatings and applications where high permeability and optical transmittance are required.
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