Transparent and flexible coatings for anti-graffiti applications

A newly developed coating exhibits excellent anti-graffiti properties, light transmittance and flexibility. It can be applied on different substrates by facile brushing process at room temperature.

The study developed multi-functional acrylic urethane coating materials with anti-graffiti properties. Image source:  sik-life - Pixabay (symbol image).

Transparent, durable and smooth coatings with anti-fouling properties are highly desirable for many applications e.g. windows and touch screens. However, most of smooth anti-fouling coatings are limited by complicated preparation and application conditions such as synthesis at high temperatures or curing under ultraviolet irradiation.

Excellent anti-graffiti properties

In a new paper, two kinds of siloxane were cross-linked to form a highly transparent anti-fouling coating, which can be rapidly applied on different substrates by a facile brushing process (~3 min for curing) at room temperature. This coating has excellent anti-graffiti properties for liquids with complex components such as water-based and oil-based inks, furthermore, it also exhibits good flexibility, anti-reflection and anti-corrosion properties. The durability test shows that the performance of the coating remains unchanged under various harsh environments.

The study has been published in Progress in Organic Coatings, Volume 161, December 2021.

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