AUTOMOTIVE DESIGN
MATERIALS • PROCESSES • FINISHES
PURIFYING
Architectural coatings can help to control air pollution in cities
URBAN AIR A
n innovative technology platform to develop architectural coatings that purify urban air is being
built, with the intention of providing future efficient solutions to control urban air pollution. The platform is being co-developed by Nippon Paint China, East China University of Science and Technology, and East China Normal University as part of a strategic cooperation to improve the country’s urban living environments. In line with China’s ‘3060’ dual-carbon
strategy, the trend for green and low- carbon construction solutions has increased. Since the start of the year, there has been a renewed focus on preventing and controlling air pollution in the China’s cities, with architectural coatings receiving mounting interest. “The improvement of the urban
ecological environment lies not only in treatment, but also in prevention,” says Professor Xiu Guangli of East China University of Science and Technology. “Source substitution measures should be given priority in the treatment of air pollutants. VOCs control from industrial sources is crucial. The update of coating technology at the interface of building exterior walls is one of the entry points to reducing VOCs in cities. At present, we see that the coating industry is reducing VOCs of raw materials. We have made some progress and continue to work on
the VOCs purification mechanism based on low VOC materials.” As a leader in the coatings sector,
Nippon paint holds a vested interest in the industrialisation of cutting edge environmental protection technology in the architectural coatings field, having actively explored the application of photocatalytic purification technology. Photocatalysis refers to the redox reaction produced by a catalyst under the irradiation of a specific wavelength light source – such as ultraviolet light – which can achieve the effects of air purification, anti-pollution and deodorisation. As a photocatalyst material, nanocrystalline titanium provides green, safe and efficient performance while helping to purify
VOCs in the construction field.
Nanocrystalline titanium has been used in the research and development of Nippon Paint’s photocatalytic purification coating technology. The latest laboratory tests show that the technology is capable of formaldehyde removal, odour removal, antibacterial and antiviral effects on interior wall coatings, and can efficiently purify nitrogen oxides on exterior wall coatings. “Nippon Paint’s vision is to build the
most valuable ecological platform with technology and become a leader in coating solutions,” adds Dr. Cai Yongyue, President of Nippon Paint China TU Product Technology Centre. “Nippon Paint promotes the development of the coating industry through its own technological innovation. At the same time, the strong combination of industry, academia and research can further accelerate the industrial application and promotion of innovative technologies. We look forward to providing innovative solutions for the development of environmental purification coating products through Nippon Paint’s photocatalytic purification coating technology, making every city an ecological city.”
Signing the strategic cooperation on the Photocatalytic Purification Coating Technology Innovation Platform
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