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Novel coating developed prevents fogging on plastic surfaces
31 March 2022

Scientists at NTU Singapore have developed a new type of coating that, when applied on a plastic surface, prevents fogging and ‘self-cleans’, overcoming the need for frequent reapplications.

 

The durable coating of a thin double layered silicon dioxide - titanium dioxide film is applied through a two-step technique.

 

Firstly, the plastic surface is treated with oxygen plasma, which is a common industrial method to clean surfaces to improve adhesion. Then the thin double layered film is deposited on the plastic surface using pulse laser deposition – in which a laser beam is focused to vaporise material from the intended coating targets to achieve the desired level of thickness of the film.

 

More: ntu.edu.sg

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