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Self-Adaptive Absorption-Superspreading Coating for Environment Endurable and Long-Lasting Antifogging Applications.

Pengyu Chen1, Yaokang Zhang1, Yuwen Wang1

  • 1College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, P. R. China.

Small (Weinheim an Der Bergstrasse, Germany)
|January 28, 2026
PubMed
Summary
This summary is machine-generated.

A novel bioinspired coating, the self-adaptive absorption-superspreading coating (SAASC), offers durable and efficient antifogging by mimicking eye properties. This advanced material prevents fog formation, ensuring clear vision in various applications.

Keywords:
antifoggingpolymer coatingsself‐adaptive absorption‐superspreading coatingsurfaces and interfaces

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Area of Science:

  • Materials Science
  • Surface Chemistry
  • Biomimetic Engineering

Background:

  • Conventional antifogging methods struggle with energy demands, mechanical weakness, and poor durability in harsh conditions.
  • Mammalian eyes possess natural self-cleaning abilities that inspire advanced antifogging solutions.
  • Existing coatings often degrade over time, limiting their long-term effectiveness.

Purpose of the Study:

  • To develop a bioinspired, self-adaptive coating for robust and efficient antifogging.
  • To create a coating that prevents fog formation by rapidly spreading water droplets.
  • To enhance the durability and performance of antifogging technologies under extreme environments.

Main Methods:

  • Synthesized a crosslinked polymer network integrating hydrophilic N-methyl-D-glucosamine (NMDG) and hydrophobic glycidyl methacrylate (GMA) segments.
  • Investigated the coating's transition to a superspreading surface upon hydration using high-speed imaging.
  • Assessed mechanical durability, optical transparency, and antifogging performance through aging tests and real-world application validation.

Main Results:

  • The self-adaptive absorption-superspreading coating (SAASC) demonstrated ultrafast water-spreading within 2.5 ms.
  • SAASC maintained optical clarity and antifogging efficacy under extreme temperatures and humidity.
  • The coating showed remarkable robustness, retaining performance after 60 days of aging at 85°C/100% RH.

Conclusions:

  • SAASC offers a durable, efficient, and self-adaptive antifogging solution inspired by natural biological systems.
  • The coating's ability to absorb moisture and superspread water prevents fogging onset effectively.
  • Validated applications across diverse fields highlight SAASC's potential for widespread use in preventing fog formation.