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Bio-derived, water-based paint cuts CO2 emissions

Posted: 15 Dec 2014 ?? ?Print Version ?Bookmark and Share

Keywords:Fujitsu Laboratories? polylactic acid? paint? volatile organic compound? ICT?

Fujitsu Laboratories Ltd has developed what it boasts as the industry's first bio-derived, water-based paint that can be used to paint the plastic chassis of servers, PCs and other ICT equipment. The paint, which uses an emulsion of polylactic acid resin derived from plants, uses reactive isocyanate that promotes hardening while applying heat to enable bonding among the polylactic acid particles.

Both reactions result in good film-forming performance even at low temperature. Compared to conventional solvent-based paint, the water-based paint reduces CO2 emissions by 60 per cent and volatile organic compounds (VOC) by 80 per cent. Fujitsu plans to expand the use of this paint in its own products such as servers and PCs in order to conserve resources and reduce environmental burden.

Required performance for use with ICT equipment

The use of this bio-derived, water-based paint enables a 60 per cent reduction in CO2 emissions, thereby helping to reduce the burden on the environment. Moreover, compared to conventional solvent-based paint, VOC emissions can also be reduced by 80 per cent.

With the acceleration of global warming, reducing CO2 emissions is an urgent matter. Moreover, reduction of the VOCs that are a source of photochemical smog is also an increasingly serious issue for protecting the environment. VOCs are mostly found in solvent-based paints, printing inks, adhesives, detergents, gasoline and thinners, and paints account for some 40 per cent of all the VOC emissions.

In 2002, Fujitsu started using a polylactic acid plastic derived from corn in the chassis of its laptop PCs. In recent years, bio-based materials have been used for solvent-based paints, in addition to materials for chassis.

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