Aerogel Composite Hybrid Coating

 

Key Properties：

1. Excellent thermal insulation performance: the extremely low thermal conductivity of the aerogel itself, coupled with the nanopore and three-dimensional mesh structure, can destroy the heat conduction path, inhibit the air convection conduction, forming an "infinite heat shield effect", maximize the suppression of radiation thermal conduction, and effectively block the heat transfer.

 

2. Good mechanical properties: By adding composite materials such as fiber and ceramic particles and using organic-inorganic hybrid, the coating can have high strength, toughness and wear resistance, can withstand certain external impact and friction, and is not easy to break.

 

3. Good chemical stability: it can form a dense protective film on the surface of the matrix, effectively blocking the external corrosive media such as acid, alkali, salt and other contact with the matrix, and it also has good chemical corrosion resistance, not easy to deteriorate by chemical reaction, and can maintain stable performance in the harsh chemical environment and extend the service life of the matrix and itself.

1. Aerospace field: can be used for aircraft wings, fuselage, engine and other parts, can reduce the weight of the aircraft, improve fuel efficiency, but also provide good heat insulation and thermal shock resistance performance, to ensure the safety of aircraft in high-speed flight and high temperature environment; It can also be used in space suits to provide insulation, heat preservation and protection for astronauts.

2. Electronic and electrical fields: used for the shell of electronic equipment, which can play the role of insulation, heat dissipation, moisture-proof, etc., to improve the performance and stability of electronic equipment; Can also be applied to the circuit board, prevent short circuit and leakage, to ensure the safe operation of the circuit; It can also be used for insulation protection of wire and cable to improve the service life and safety of cable.

3. Energy field: In new energy vehicles, it is used for heat insulation and flame retardant between battery packs, battery cells and body, and plays a role in thermal runaway protection in thermal management of battery modules and batteries of new energy vehicles; In the petrochemical industry, it can be used for the thermal insulation of distillation towers, reaction pipelines, storage tanks, pumps, valves, natural gas and LNG pipelines, etc., to reduce heat loss and improve energy efficiency.

1. What is the mechanical strength of this coating? How much external force can it withstand?
By adding reinforcement phase such as fiber and ceramic particles and optimizing hybrid structure, the coating has good mechanical strength. Generally speaking, it can withstand a certain degree of tensile, compression, bending and impact loads, the specific amount of external force can withstand depends on the specific formula of the coating, the thickness and the application of the base material and other factors.

2. How is the thermal insulation better than traditional thermal insulation?
Traditional thermal insulation materials such as rock wool, glass wool, etc., have relatively high thermal conductivity, and are easy to absorb water and aging, resulting in decreased performance. The thermal conductivity of the coating is extremely low, which can more effectively block heat conduction, and its nanoporous structure can inhibit air convection and thermal radiation, maintain stable thermal insulation performance in high and low temperature environments, and also has waterproof, moisture-proof and other characteristics, which is not easy to be affected by environmental factors.

3. Do coatings have other functions in electronic devices besides insulation and heat dissipation?
In addition to insulation and heat dissipation, the coating can also play the role of moisture, dust and corrosion prevention, protect the circuits and components inside the electronic equipment from the external environment, and improve the reliability and service life of the equipment.

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