Silica aerogels are prepared from gels by preparing a colloidal form of the material or Sol, which is called an 'aquasol' if the liquid phase is water and 'alcosol' if the liquid phase is an alcohol. The gels are formed from the sols and if the liquid which permeates the pores is water, the gel is termed an 'aquagel'. If it is an alcohol, the gel is termed an 'alcogel'.
|Apparent Density||0.03 g cm-3|
|Internal Surface Area||800-900 m2 g-1|
|Mean Pore Diameter||20 nm|
|Thermal Tolerance||to 500 oC. mp > 1200 oC|
|Thermal Conductivity||0.01-0.09Wm-1 K-1|
Maerogel Exhibited in Miraikan, Japan for 3 months. Miraikan is Japan's National Museum of Emerging Science and Innovation, created by Japan's Science and Technology Agency. It is situated in the Odaiba District of Tokyo.
Dr Mamoru Mohri, Executive Director of Miraikan with Prof. Hamdan during her visit to Miraikan during the Malaysia week of Science News from Asia.
Professor Dr Richard R Ernst, 1991 Nobel Laureate paid a rare and special visit to our Laboratory as part of his travels to Malaysia to celebrate the Nobel Prize Centennial Exhibition, Kuala Lumpur, Malaysia 2004. Professor Ernst spent an hour to visit and meet researchers from the Zeolite and Nanostructured Materials Group. While at the Laboratory, Professor Ernst was given a tour and briefed by Professor Halimaton on the group's research.
"Professor Ernst was interested in hearing from us about aerogel made from silica extracted from rice husks and scale-up production plans. It was a great honour to have him here and discuss with him about the properties of silica from rice husks and our application of solid-state NMR to solve problems in zeolitic and porous material," said Professor Halimaton.
Halimaton explaining about products of ZNMG to His Excellency the Minister of Education Tan Sri Dato' Musa bin Mohamad with UTM's Vice Chancellor Datuk Prof. Ir. Dr Mohd Zulkifli bin Tan Sri Mohd Ghazali
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