HOW THIS NEW PERFECT BLUE PIGMENT COLOUR CAN MAKE YOUR HOME COOLER

near perfect blue pigment was an accidental discovery for Oregon State University scientists, its superhero qualities make it ideal for roofing www.energy-options.info

The near perfect blue pigment was an accidental discovery for Oregon State University scientists, its superhero qualities make it ideal for roofing. Photo: Oregon State University

Scientists at Oregon State University have accidently stumbled upon a superhero blue hue with amazing qualities.

Lead scientist Mas Subramanian, discovered the colour in 2009 after mixing manganese oxide (a black colour) with other chemicals and heating them to nearly 1093 degrees celsius. It has just become available on the market.

It has an extremely high infrared reflectivity of 40 percent and when used in roofing, acts as an eco-friendly method of cooling a building.

“The more we discover about the pigment, the more interesting it gets,” Subramanian says. “We already knew it had the advantage of being more durable, safe, and fairly easy to produce. Now it also appears to be a new candidate for energy efficiency.”​

Subramanian says “It was serendipity actually; a happy, accidental discovery.”

The new shade, named YInMn for the combination of elements it is made from (yttrium, indium and manganese) is described by the Oregon State University as a near-perfect blue pigment.

YInMn has a unique crystal structure that allows the manganese ions to absorb red and green wavelengths, but only reflect blue – which explains why it has such a vibrant blue hue.

The compound structure is so stable that the colour will not fade, even in oil or water. Better yet, YInMn, unlike other blue hues, cobalt and Prussian blue, is non toxic.

This combination of characteristics makes YInMn  perfect for commercial products, such as plastics and paints, but also roofing.

This story first appeared in Stuff.co.nz

ENERGY

Henry Sapiecha

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