Novel high-performance anti-fog coating

Scientists have developed a novel organic-inorganic zwitterionic acrylate polymer for high-performance anti-fog coating.

A harbour in the fog as a symbolic image.

A novel organic-inorganic zwitterionic polymer was developed via free radical copolymerisation using quaternary ammonium salt as hydrophilic monomer.

The unique structure realises a compromise between the hydrophobicity and hydrophilicity. The chemical composition, the physical properties, the anti-fog characteristic and mechanism of the zwitterionic acrylate coating were investigated by FT-IR, UV-VIS spectrometry, XPS, AFM and water contact angle.

Excellent anti-fog/frost performance

The organic-inorganic zwitterionic polymer endows the coating on polycarbonate (PC) substrate with excellent anti-fog/frost performance, good adhesion and stability (repeated use for 100 times) under wider temperature range (−40 ∼ 80 °C) of applications.

The study has been published in Progress in Organic Coatings, Volume 142, May 2020.

Image source: Pixabay.

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