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Delta Introduces ‘Self-Cleaning’ Coating

Friday, October 1, 2010

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Singapore-based Delta Intercontinental Pte. Ltd. has launched a clear coating that the company describes as self-cleaning.

The coating is appropriate for both painted and glass surfaces of external façades and provides anti-bacterial benefits in interior applications.

Coating Chemistry

The coating technology employs photocatalytic nano-titanium dioxide particles of 10nm-30nm. When exposed to UV light, the company says, this coating manifests super-hydrophilicity, causing water that comes into contact with it to form an even layer. This allows dust and dirt on the surface to be washed away, rendering the surface effectively self-cleaning, the supplier says.

UV light also activates the oxidative property of nano-titanium dioxide, which will then decompose any organic substances that adhere to the surface, the manufacturer says. This makes the coating antimicrobial and removes smells.

Nano-titanium dioxide is known for its high reflective index and therefore tends to exhibit a rainbow effect when coated on glass. However, Delta says its technology has overcome this issue and maintains the glass's transparency and optical properties.

For more information, visit www.deltaintercon.com.sg

   

Tagged categories: Coatings technology; Formulating; Self-cleaning coatings

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