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Graphene dispersions in thermal coatings

Graphene dispersions in thermal coatings

  • Categories:Industry News
  • Author:
  • Origin:
  • Time of issue:2023-04-08
  • Views:905

(Summary description)Graphene, a carbon material with a single-layer honeycomb structure, has excellent thermal, electrical and mechanical properties and is therefore increasingly used in thermal coatings. With the continuous development of graphene dispersion technology, its application in coatings has become a hot research topic.

Graphene dispersions in thermal coatings

(Summary description)Graphene, a carbon material with a single-layer honeycomb structure, has excellent thermal, electrical and mechanical properties and is therefore increasingly used in thermal coatings. With the continuous development of graphene dispersion technology, its application in coatings has become a hot research topic.

  • Categories:Industry News
  • Author:
  • Origin:
  • Time of issue:2023-04-08
  • Views:905
Information

Graphene, a carbon material with a single-layer honeycomb structure, has excellent thermal, electrical and mechanical properties and is therefore increasingly used in thermal coatings. With the continuous development of graphene dispersion technology, its application in coatings has become a hot research topic.

Graphene dispersions are usually prepared by methods such as mechanical exfoliation or chemical reduction to obtain single-layer or few-layer graphene flakes. The dispersibility, solubility and coating film adhesion are then enhanced by chemical modification and surface modification.

In the field of heat dissipation coatings, graphene dispersions are used in two main applications: increasing the thermal conductivity of the coating to improve heat dissipation, and improving the adhesion of the coating to enhance the durability of the coating.

Firstly, as graphene has a high thermal conductivity, its addition to thermal coatings can significantly improve the thermal conductivity of the coating. Studies have shown that the addition of graphene can increase the thermal conductivity of a coating by nearly two times, making it more effective in dissipating heat than conventional thermal coatings. This performance makes the application of graphene heat dissipation coatings in electronic devices, automotive, aerospace and other fields an inevitable trend.

Secondly, the application of graphene dispersions can also improve the adhesion and durability of the coating. As graphene has high surface energy, its dispersion in the coating is improved, which can make the coating more evenly distributed on the surface of the object, thus enhancing the adhesion and stability of the coating. In addition, graphene also has good mechanical properties and chemical stability, which can effectively improve the durability and pollution resistance of the coating and protect the coating surface from wear and corrosion.

In short, the application prospects of graphene dispersions in the field of heat dissipation coatings are much greater than those of traditional coatings. The excellent thermal conductivity and stability of graphene heat dissipation coatings will play an important role in electronic devices, automotive, aerospace and other fields, providing a broad space and prospect for the development of a new generation of heat dissipation coatings.

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