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Radiative Cooling Paint and Method for Covering a Surface with The Radiative Cooling Paint

Summary

Radiative cooling paints to be used to facilitate reflecting solar radiation away from a surface and dissipating heat by thermal radiation to achieve cooling effect

Technology Benefits

Radiative cooling paints can provide cooling effect passively

Technology Application

Painting on buldings, automobiles, roads, curtains and outdoor electronics; Thermal management of solar cells;Self-cooling merchandise by coating radiativce cooling paint on the outer layer of umbrellas/hats/textiles

Detailed Technology Description

The radiative cooling paint , an emerging applied Nano-material technology that can block the incoming solar irradiance from the sun, while simultaneously creating a cooling effect by emitting thermal radiation to the cold universe (~-270 °C). Hence, sub-ambient cooling can be achieved even under direct sunlight. Different from conventional cooling technologies, the radiative cooling paint leads the way to eco-friendly and energy-free cooling without causing ozone depletion and greenhouse effect. Based on the results of our radiative cooling paint, by applying this cooling technology on a building rooftop, the rooftop temperature can be reduced by 15 ⁰C under direct sunlight when it is compared to the rooftop without coating the PRCP, saving about 10% of cooling energy of traditional air-conditioning systems in buildings

Type of Cooperation

Licensing

Countries

Hong Kong

Application Date

24/12/2020 00:00:00

Application No.

32020022670.4

Classes

C09D 5/00

Country/Region

Hong Kong

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