silica aerogel
Synthesis and Characterization of Hydrophobic Silica Aerogel by Two Step(Acid-Base) Sol-Gel Process
... modified silica were accomplished by Energy dispersive x-ray microanalysis (EDX, Model Philips ...nano-porous silica aerogel was observed using scanning electron microscopy (SEM) analyzer (Model ...
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Silica Aerogel as Super Thermal and Acoustic Insulation Materials
... the silica aerogels become promising potential adsorbents, catalysts, thermal insulation, and acoustic absorption materials for environmental ...modified silica aerogel with the use of a ...
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Preparation and Characterization of Nanomaterial Consisting of Silica Aerogel & Carbon Tested as an Electrode in Non- Aqueous Media Containing Lithium Salt
... of silica aerogel to lithium silicates and lithium ...to silica reduction with lithium silicates formation, the latter was ascribed to alloying with lithium silicide as final ...
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Study The Annealing Temperature Influence On The Mesoporous Silica Aerogel Properties Via Supercritical Drying
... etc. Silica aerogel become quite popular among all other materials, silica aerogel was produced first in the 1930, In the first half of the century (1931, Kistler) ...of aerogel has ...
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Loading capacity and release property of piperine loaded silica aerogel and silica xerogel
... of silica matrices such as silica aerogel, and silica xerogel as the drug delivery carriers have been explored ...of silica aerogels as drug delivery system was recently reported ...
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CMUT Crosstalk Reduction Using Crosslinked Silica Aerogel
... Inter-element acoustic crosstalk is one of the major concerns which restricts the potential deployment of Capacitive Micromachined Ultrasonic Transducers (CMUTs) in Nondestructive Evaluation (NDE) despite its superior ...
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Preparation and Characterization of Mullite Silica Aerogel Composite Material
... The silica aerogel has the characteristics of excellent heat-insulating performance and low density, so it has broad prospects in the application of space explora- tion, military industry, chemical ...
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Fabrication of a silica aerogel and examination of its hydrophobic properties via contact angle and 3M water repellency tests
... the silica aerogel is shown in Fig. 1. According to fig.1, the silica sol was prepared with a waterglass or sodium silicate solution with a specific gravity of ...
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Thermal Conductivity Performance of Silica Aerogel after Exposition on Different Heating under Ambient Pressure
... of silica aerogel with heating for different pH has been investigated, it has been depended on ambient pressure drying method in the preparing silica aerogel samples, also six different pH of ...
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Study on the Effect of Humidity on Electrical Properties of Copper-Silica Aerogel
... Copper-silica aerogel was synthesized by the sol-gel method and was heated at 400, 500 and 600°C for 3 h in the air. The gained materials were named as sample (a), (b) and (c) respectively. Then all samples ...
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Porous silicon nanocrystals in a silica aerogel matrix
... into silica aerogels at the gel preparation ...of silica aerogel without silicon inclusions was studied in vacuum and in the presence of molecular oxygen in order to determine whether there is any ...
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Synthesis and characterization of alcohol-free tyrosinase encapsulated silica aerogel
... the silica aerogel network since the tyrosinase was added into the silica sol before the gelation ...the silica sol begins to link together in three-dimensional (3D) network and subsequently, ...
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Review: Silica Aerogel as a Viable Absorbent for Oil Spill Remediation
... Nayak and Bera (2009) prepared silica aerogel using rice husk ash. The ash was boiled in NaOH solution to obtain sodium silicate solution which was then neutralized with nitric acid to form silica ...
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← Return to Article Details PRECONCENTRATION AND SEPARATION OF ULTRA-TRACE AMOUNTS OF MERCURY(II) USING ULTRASOUND-ASSISTED CLOUD POINT-MICRO SOLID PHASE EXTRACTION BASED ON MODIFIED SILICA AEROGEL WITH [1-(3,5-DICHOLOROPHENYL)-3(2-ETHOXYPHENYL)] TRIAZENE
... modified silica aerogel with DCPEPT can be used as an inexpensive, efficient, and environmentally safe adsorbent for separation–preconcentration of Hg(II) ...
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Potential Application of Silica Aerogel Granules for Cleanup of Accidental Spillage of Various Organic Liquids
... effective silica aerogel by atmospheric pressure drying method involves me- chanical shaking of alcogels, to accelerates the solvent exchange process ...of silica aerogel ...retrieved ...
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Optothermal nonlinearity of silica aerogel
... of Silica Aerogel confirming its thermal origin and the fact that disorder does not hamper the nonlinear action: the strong nonlinearity of SA is comparable with the highest reported and can be enhanced by ...
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Synthesis, characterization and catalytic properties of titanium containing silica aerogel
... To overcome these problems, inert oxides like silica have been used as support to obtain high surface area dispersed titania. In this research work, direct synthesis, precipitation and grafting of titania were ...
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Effects of stirring speed and time on water absorption performance of silica aerogel/epoxy nanocomposite
... Optical microscope was used to investigate presence of trapped air bubble content in the nanocomposite samples. During degasification process, some of the bubbles which produced during processing of the nanocomposite ...
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Optimization of Candida rugosa lipase immobilization parameters on magnetic silica aerogel using adsorption method
... The superhydrophobic nature of supports did not allow free enzyme to penetrate in pores. It seems that with a considerable decrease in interfacial tension, the penetration of lipase into inner surface of the pores is ...
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A Simple Process to Prepare Silica Aerogel Microparticles from Rice Husk Ash - Volume 4 Number 5 (Oct. 2013) - IJCEA
... of silica aerogels are tetraethylorthosilicate (TEOS), tetramethylorthosilicate (TMOS), and sodium silicate solution (water ...high silica content (~80-90%) and is easily available in large quantity ...of ...
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