A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Hydrophobic silica aerogel glass-fibre composite with higher strength and thermal insulation based on methyltrimethoxysilane (MTMS) precursor
AbstractThis research relates to the synthesis of hydrophobic silica aerogel and glass-fibre based composite with higher surface area, hence higher thermal insulating properties with strength and rigidity against mechanical damaging forces. Glass fibre mats were impregnated with different sols and subjected to freeze drying after aging at ambient temperature and pressure. The freeze drying retained the silica structure intact but removed the water from internal chaotic capillary channels. The bimodal meso and macro porous composite board was obtained. The thermal conductivity measured to be in the range from 0.021 to 0.026W/mK with different compositions of silica sols ranging from 4% to 32%. The most important property obtained was the higher strength of the board with the 32% silica sol obtained up to 7MPa in flexural and 4MPa in tensile modes. Low densities and higher porosities were obtained.
Hydrophobic silica aerogel glass-fibre composite with higher strength and thermal insulation based on methyltrimethoxysilane (MTMS) precursor
AbstractThis research relates to the synthesis of hydrophobic silica aerogel and glass-fibre based composite with higher surface area, hence higher thermal insulating properties with strength and rigidity against mechanical damaging forces. Glass fibre mats were impregnated with different sols and subjected to freeze drying after aging at ambient temperature and pressure. The freeze drying retained the silica structure intact but removed the water from internal chaotic capillary channels. The bimodal meso and macro porous composite board was obtained. The thermal conductivity measured to be in the range from 0.021 to 0.026W/mK with different compositions of silica sols ranging from 4% to 32%. The most important property obtained was the higher strength of the board with the 32% silica sol obtained up to 7MPa in flexural and 4MPa in tensile modes. Low densities and higher porosities were obtained.
Hydrophobic silica aerogel glass-fibre composite with higher strength and thermal insulation based on methyltrimethoxysilane (MTMS) precursor
Ul Haq, Ehsan (author) / Zaidi, Syed Farrukh Alam (author) / Zubair, Muhammad (author) / Abdul Karim, Muhammad Ramzan (author) / Padmanabhan, Sanosh Kunjalukkal (author) / Licciulli, Antonio (author)
Energy and Buildings ; 151 ; 494-500
2017-07-03
7 pages
Article (Journal)
Electronic Resource
English
Hydrophobic silica aerogel heat-insulation composite material
| European Patent Office | 2015
| British Library Online Contents | 2014
| British Library Online Contents | 2016