The role of N,N-dimethylaniline in the formation of titania gel monolith by sol-gel method |
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| Authors: | P K Sharma A Ramanan |
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| Affiliation: | (1) Department of Chemistry, Indian Institute of Technology, 16 New Delhi, India |
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| Abstract: | 19950405 Our investigation on the rheological aspects such as gelling time, specific density, fluidity, viscosity and surface tension of the sol derived from titanium-tetra-isopropoxide (TTIP), water and isopropanol (i-PrOH) has been reviewed in the presence of n,n-dimethylaniline (DMA) as a drying control chemical agent (DCCA). Dry gels derived from DMA stabilized sol were found to be crack free with a larger surface area. The titania gel monolith obtained in the presence of DMA could be processed into rutile at much lower temperatures. |
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