Influence of various processing parameters on water-glass-based atmospheric pressure dried aerogels for liquid marble purpose
Source abstract
Abstract
Experimental results on the influence of various processing parameters on water-glass-based atmospheric pressure dried aerogels for liquid marble purpose are reported. Silica aerogels were prepared by varying the parameters namely washing temperature of the gels with water, washing period of the gels, protic solvents, and drying method. The physical properties of silica aerogels were studied by measuring granular bulk density, contact angle with water, thermal conductivity, and thermal stability in the furnace. The elemental analyses were carried out using Atomic Absorption Spectroscopy (AAS) and FT-Raman spectroscopy. The structural studies were carried out using Transmission Electron Microscopy (TEM). Also, the effect of humidity on the silica aerogels was studied in humidity chamber. Opaque silica aerogels with hydrophobicity (150°), low density (0.053 g/cm3), and low thermal conductivity (0.068 W/mK) have been obtained for the molar ratio of Na2SiO3: H2O: citric acid: TMCS at 1:146.67:0.72:9.46. The hydrophobic powder of silica aerogels can form the liquid marbles.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Pickering emulsions and particle stabilization · Aerogels and thermal insulation · Building materials and conservation
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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