Overview of Nano porous insulator 5mm 10mm silicate aerogel fabrication
Aerogels are ultralight, highly porous materials known for their exceptional insulation properties, remarkable low density, and incredible strength-to-weight ratios. Often referred to as “frozen smoke” due to their ethereal appearance, aerogels are produced by replacing the liquid component of a gel with gas, typically through supercritical drying, which avoids collapse of the gel structure. Composed primarily of air (up to 99.98%), these materials exhibit a wide array of unique characteristics that make them valuable across various industries.
Features of Nano porous insulator 5mm 10mm silicate aerogel fabrication
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Extremely Low Density: Aerogels are some of the world’s lightest solids, with densities as low as 0.001 grams per cubic centimeter.
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Superb Insulation: They possess extremely low thermal conductivity, making them among the best insulators known to man, effective at temperatures from -270°C to 1,000°C.
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High Porosity: With a porous structure that can reach up to 99.9%, aerogels have an incredibly large internal surface area, enhancing their functionality in absorption and catalysis applications.
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Translucent to Transparent: Depending on their composition, aerogels can transmit light, giving them a unique semi-transparent or transparent appearance.
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Mechanical Strength: Despite their fragile appearance, aerogels can be engineered to possess significant mechanical strength, capable of bearing considerable weight.
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Chemically Inert: Many aerogels are chemically stable and resistant to corrosion, making them suitable for harsh environments.
(Nano porous insulator 5mm 10mm silicate aerogel fabrication)
Parameters of Nano porous insulator 5mm 10mm silicate aerogel fabrication
The fabrication of nano porous insulators, such as 5mm and 10mm silicate aerogels, involves a complex process that requires precise control over various parameters to achieve the desired properties. The primary goal is to create a material with high porosity, low density, and excellent thermal insulation capabilities.
The first step in the fabrication process is the synthesis of silica gel. This typically involves the chemical reaction between sodium silicate (water glass) and hydrochloric acid or sulfuric acid under high temperature conditions. The resulting solution is then aged for several days to allow the formation of a gel structure.
Next, the silica gel is subjected to a drying process, which can be carried out using either heat or a solvent. In the case of silicate aerogels, this process involves replacing the water molecules within the gel structure with a gas, usually air or another inert gas, under high pressure. This results in the formation of an aerogel with a three-dimensional network of interconnected nanopores.
Once the aerogel has been dried, it undergoes further processing to enhance its mechanical strength and thermal insulation properties. This may include the addition of reinforcing agents, such as carbon fibers or metal particles, and the application of surface treatments to improve its chemical stability and durability.
The size of the aerogel, whether it is 5mm or 10mm, will depend on the specific requirements of the application. Smaller sizes may be more suitable for applications requiring compactness, while larger sizes may be necessary for applications involving larger surfaces or volumes.
The final step in the fabrication process involves quality control and characterization. This includes measuring the porosity, density, and thermal conductivity of the aerogel. Porosity is typically determined through techniques such as mercury porosimetry, while density measurements provide information on the overall structure and composition of the material. Thermal conductivity is crucial for assessing the insulation performance of the aerogel, and can be measured using standard techniques like steady-state heat flow meters.
In conclusion, the fabrication of nano porous insulators, specifically 5mm and 10mm silicate aerogels, is a multi-step process that requires careful control over parameters such as synthesis conditions, drying methods, and post-processing treatments. These materials offer exceptional thermal insulation capabilities due to their high porosity and low density, making them valuable in various applications where lightweight and efficient thermal management is critical.
(Nano porous insulator 5mm 10mm silicate aerogel fabrication)
Applications of Nano porous insulator 5mm 10mm silicate aerogel fabrication
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Thermal Insulation: Used in aerospace for spacecraft insulation, and in commercial and residential buildings for energy-efficient windows and insulation materials.
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Environmental Remediation: Aerogels’ high surface area makes them effective in absorbing pollutants like oil spills and heavy metals from water.
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Sound Absorption: Their porous structure absorbs sound waves effectively, making them useful in noise reduction applications.
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Electronics: Aerogels’ low thermal conductivity and electrical insulation properties find applications in semiconductor and battery technology.
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Optics and Photonics: Translucent aerogels are used in optical devices, light-guiding structures, and as filters.
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Drug Delivery: The high surface area can be utilized for controlled drug release, making aerogels candidates for advanced medical applications.
Company Profile
Graphne Aerogels is a trusted global chemical material supplier & manufacturer with over 12-year-experience in providing super high-quality aerogel and graphene products.
The company has a professional technical department and Quality Supervision Department, a well-equipped laboratory, and equipped with advanced testing equipment and after-sales customer service center.
If you are looking for high-quality graphene, aerogel and relative products, please feel free to contact us or click on the needed products to send an inquiry.
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FAQs of Nano porous insulator 5mm 10mm silicate aerogel fabrication
Q: Is Nano porous insulator 5mm 10mm silicate aerogel fabrication fragile?
A: Traditional aerogels are brittle and fragile; however, advancements have led to the development of “flexible” or “rigid” aerogels that maintain their unique properties while being more durable.
Q: How is Nano porous insulator 5mm 10mm silicate aerogel fabrication made?
A: Nano porous insulator 5mm 10mm silicate aerogel fabrication is synthesized by replacing the liquid in a gel with gas without causing the structure to collapse. This is typically achieved through supercritical drying, where the solvent is converted to a supercritical state, allowing it to evaporate without forming liquid-gas interfaces that could damage the gel structure.
Q: Is Nano porous insulator 5mm 10mm silicate aerogel fabrication expensive?
A: Historically, aerogels have been costly due to their complex manufacturing process. However, with technological advancements and economies of scale, costs are gradually decreasing.
Q: Can Nano porous insulator 5mm 10mm silicate aerogel fabrication conduct electricity?
A: Most aerogels are poor conductors of electricity due to their porous, insulating nature. However, certain metal-oxide aerogels can display semiconducting or even conducting properties.
Q: Is Nano porous insulator 5mm 10mm silicate aerogel fabrication environmentally friendly?
A: Aerogels themselves do not pose environmental hazards, and their use in insulation can reduce energy consumption. However, the production process may involve chemicals that require careful handling and disposal.
(Nano porous insulator 5mm 10mm silicate aerogel fabrication)
