1. Good chemical stability:
It is an inorganic material, stable at room temperature, not easy to chemical reaction, can be used in a wide pH range and chemical environment, can resist the erosion of acid, alkali, salt and other chemical substances, not easy to be corroded or degraded.
2. Excellent hydrophobic performance:
the overall hydrophobic, hydrophobic rate of up to 98% and above, not easy to absorb water disintegration, not easy to damage due to changes in environment, temperature, etc., can maintain long-term stability in wet or water environment.
3. Good heat insulation:
the unique nanoporous structure limits the flow of gas, effectively prevents heat conduction and heat radiation, and the heat insulation effect is significant, which is 2-5 times that of traditional heat insulation materials, which can greatly improve the construction quality and construction efficiency, and reduce the construction cost.
4. Excellent sound insulation:
It can effectively absorb and block sound, and has good sound insulation and noise reduction ability, which can be used to improve the acoustic environment, such as playing a role in building sound insulation and equipment noise reduction.
5. Strong adsorption capacity:
high specific surface area and porous structure make it have a strong adsorption effect on a variety of substances, can be used to adsorb oil, organic solvents, heavy metal ions and other pollutants, in sewage treatment, air purification and other environmental protection fields have important applications.
Applications of Hydrophobic Aerogel Powder
1. Automobile: can be applied to the heat insulation and sound insulation materials of the automobile engine compartment to reduce engine noise and heat transfer to the car; It can also be used in the anti-corrosion coating of automobile body to improve the anti-corrosion performance of automobile body. In addition, the hydrophobic aerogel coating on the car glass can prevent rain and fog adhesion and improve driving safety.
2. Ship: as an anti-corrosion and anti-fouling coating for the ship's shell, it can prevent the corrosion of sea water on the ship's body and the attachment of Marine organisms, and reduce the maintenance cost of the ship; It can also be used as thermal insulation materials for ships to improve the energy efficiency of ships.
3. Aircraft heat insulation: can be used for aircraft, rockets and other aircraft fuselage, wing, engine and other parts of the heat insulation, reduce the weight of the aircraft, while improving its thermal insulation performance, to ensure the safe operation of the aircraft in high or low temperature environment.
4. Space suit: Added to the thermal insulation and protective layer of the space suit to provide good thermal insulation, warmth and protective performance to protect the safety of astronauts in the space environment.
5. Electronic product shell: coated on the surface of the shell of electronic products such as mobile phones, computers, tablets, etc., to form a hydrophobic dustproof protective film to prevent moisture and dust from entering the interior, protect electronic components, and also improve heat dissipation performance and extend product service life.
6. Battery material: Added to the battery electrode material, can improve the conductivity and stability of the battery, but also to a certain extent to prevent the battery in the use of moisture and performance decline, extend the cycle life of the battery.
FAQ
1. What are the precautions of hydrophobic aerogel powder in the use process?
In the process of use, the aerogel powder should be avoided from contact with strong oxidants, strong acids, strong bases and other substances, so as not to affect its performance and stability. At the same time, because the aerogel powder has a certain absorption, it should pay attention to moisture and pollution prevention during storage and use, and should be sealed and stored in a dry and ventilated environment. When adding aerogel powder to other materials, care should be taken to stir well to ensure that it is well dispersed to give full play to its properties.
2. Is it harmful to humans and the environment?
Hydrophobic aerogel powder itself is usually non-toxic and harmless, and will not cause harm to the human body and the environment under normal conditions of use. However, in the process of production and use, if some organic solvents and chemical modifiers are involved, it may have a certain impact on the environment and human health, so it is necessary to take corresponding protective measures and environmental protection measures, such as ventilation equipment in the production process, the use of environmentally friendly modifiers.
3. In the field of building insulation, what is the application effect of hydrophobic aerogel powder?
In the field of building insulation, hydrophobic aerogel powder has excellent application effect. When it is added to the building exterior wall coating, insulation board and other materials, it can effectively reduce the heat transfer of the building and improve the energy-saving effect. In the cold area can reduce indoor heat loss, in the tropical area can block the outdoor heat import, reduce air conditioning energy consumption, can make the building's thermal insulation performance increased by about 30%-50%.
4. In sewage treatment, how does it adsorb pollutants?
Hydrophobic aerogel powder adsorbs pollutants in wastewater treatment mainly by physical adsorption and chemical adsorption. Due to its high specific surface area and porous structure, pollutant molecules can be adsorbed and trapped in the pores of aerogel. Chemisorption is a chemical reaction between the active groups on the aerogel surface and the pollutant molecules to form a chemical bond, thus fixing the pollutant on the aerogel surface. For example, for heavy metal ions in water, active groups such as hydroxyl groups on the surface of aerogel can be complexed with heavy metal ions to achieve adsorption and removal of heavy metal ions.
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