Hydrophobic/hydrophilic Silicon Aerogel SiO2 Thermal Insulation Powder/Particle

Overview of Hydrophobic/hydrophilic Silicon Aerogel SiO2 Thermal Insulation Powder/Particle

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 Hydrophobic/hydrophilic Silicon Aerogel SiO2 Thermal Insulation Powder/Particle

1. Extremely Low Density: Aerogels are some of the world's lightest solids, with densities as low as 0.001 grams per cubic centimeter.

2. 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.

3. 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.

4. Translucent to Transparent: Depending on their composition, aerogels can transmit light, giving them a unique semi-transparent or transparent appearance.

5. Mechanical Strength: Despite their fragile appearance, aerogels can be engineered to possess significant mechanical strength, capable of bearing considerable weight.

6. Chemically Inert: Many aerogels are chemically stable and resistant to corrosion, making them suitable for harsh environments.

(Hydrophobic/hydrophilic Silicon Aerogel SiO2 Thermal Insulation Powder/Particle)

Parameters of Hydrophobic/hydrophilic Silicon Aerogel SiO2 Thermal Insulation Powder/Particle

The hydrophobic/hydrophilic Silicon Aerogel SiO2 thermal insulation powder/particle parameter refers to the effectiveness of the material in insulating heat transfer and preventing conduction of heat within a system. This parameter can be determined through various methods, such as thermal analysis, mechanical testing, and spectroscopic measurements. Some commonly used parameters for Hydrophobic/hydrophilic Silicon Aerogel SiO2 thermal insulation powder/particle include: * Glass transition temperature (Tg): The temperature at which the material transitions from a liquid to a gaseous state. A higher Tg indicates better thermal stability. * Dielectric constant (ε): The ratio of the dielectric permittivity of the material to the permittivity of free space. A higher ε indicates better insulation properties. * Thermal conductivity (λ): The rate at which heat is transferred per unit area or volume. A higher λ indicates better thermal insulation performance. * Specific heat capacity (c): The amount of energy required to raise one degree Celsius of temperature by a given amount of mass. A higher c indicates better thermal insulation efficiency. * Dielectric permittivity (εr): The ratio of the dielectric permittivity of the material to the electric field strength. A lower εr indicates better insulating properties. It's important to note that these parameters can vary depending on the specific formulation and manufacturing process used for the Silicon Aerogel SiO2 thermal insulation powder/particle.

(Hydrophobic/hydrophilic Silicon Aerogel SiO2 Thermal Insulation Powder/Particle)

Applications of Hydrophobic/hydrophilic Silicon Aerogel SiO2 Thermal Insulation Powder/Particle

1. Thermal Insulation: Used in aerospace for spacecraft insulation, and in commercial and residential buildings for energy-efficient windows and insulation materials.

2. Environmental Remediation: Aerogels' high surface area makes them effective in absorbing pollutants like oil spills and heavy metals from water.

3. Sound Absorption: Their porous structure absorbs sound waves effectively, making them useful in noise reduction applications.

4. Electronics: Aerogels' low thermal conductivity and electrical insulation properties find applications in semiconductor and battery technology.

5. Optics and Photonics: Translucent aerogels are used in optical devices, light-guiding structures, and as filters.

6. Drug Delivery: The high surface area can be utilized for controlled drug release, making aerogels candidates for advanced medical applications.

Company Profile

Cie-China is a trusted global chemical material supplier & manufacturer with over 12-year-experience in providing super high-quality concrete additives and relatives products.

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FAQs of Hydrophobic/hydrophilic Silicon Aerogel SiO2 Thermal Insulation Powder/Particle

Q: Is Hydrophobic/hydrophilic Silicon Aerogel SiO2 Thermal Insulation Powder/Particle 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 Hydrophobic/hydrophilic Silicon Aerogel SiO2 Thermal Insulation Powder/Particle made? A: Hydrophobic/hydrophilic Silicon Aerogel SiO2 Thermal Insulation Powder/Particle 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 Hydrophobic/hydrophilic Silicon Aerogel SiO2 Thermal Insulation Powder/Particle 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 Hydrophobic/hydrophilic Silicon Aerogel SiO2 Thermal Insulation Powder/Particle 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 Hydrophobic/hydrophilic Silicon Aerogel SiO2 Thermal Insulation Powder/Particle 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.

(Hydrophobic/hydrophilic Silicon Aerogel SiO2 Thermal Insulation Powder/Particle)