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Researchers developed a room-temperature air spray technology to create superamphiphobic coatings. These coatings protect mining transformer components from harsh environments and oil spills, offering excellent liquid repellency and durability.

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Area of Science:

  • Materials Science
  • Surface Engineering
  • Tribology

Background:

  • Mining transformers face damage from oil spills and harsh underground conditions.
  • Deteriorating oil products and transformer operation generate harmful liquids, causing economic losses.
  • Existing protection methods for transformer components are often inconvenient or costly.

Purpose of the Study:

  • To develop a convenient and economical method for protecting mining transformer components.
  • To create superamphiphobic coatings resistant to grease pollution and corrosion in harsh environments.

Main Methods:

  • Utilized room-temperature air spray technology to prepare antigreasy superamphiphobic coatings.
  • Incorporated polypyrrole powder to enhance thermal conductivity and specific heat of the coatings.
  • Tested coating performance on bulk metallic glass transformer cores and ST13 heat sinks.

Main Results:

  • The fabricated coating demonstrated excellent repellency to various liquids, including water, ethylene glycol, hexadecane, and rapeseed oil.
  • Polypyrrole addition improved thermal conductivity and specific heat within the 50-70 °C range.
  • The coating exhibited superior physical and chemical resistance, along with outstanding antifouling properties.

Conclusions:

  • The developed superamphiphobic coating offers a feasible solution for protecting transformer components against grease pollution and corrosion.
  • This technology enhances the durability and operational lifespan of transformers in challenging mining environments.
  • The findings contribute to the broader application of superamphiphobic coatings in industrial equipment protection.