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Development of Radiative Cool Roof Nanocoating

Trial Project Development of Radiative Cool Roof Nanocoating
(REF: P-0177)
Matched I&T Wish Development of Radiative Cool Roof Nanocoating
(REF: W-0308)
Matched I&T Solution Development of a novel hollow glass microsphere-based radiative cooling coating to achieve passive cooling in buildings
(REF: S-0841)
Solution Feature
  • The novel cool roof coating is equipped with excellent spectral properties, including high solar reflectance in the wavelength range from 0.3 to 2.5 µm and high thermal emittance in the infrared wavelength range over 3 µm.
  • The proposed novel nanocoating will show low thermal conductivity to strengthen the overall thermal insulation capability.
  • The coating surface will be chemically treated with super-hydrophilic properties to achieve self-cleaning, and thus to sustain the long-term effective spectral features. Moreover, the surface deposited organic can be automatically broken down.
  • The coating has the ability to be mass-produced for large-scale applications.
  • The coating formulas can be flexibly adjusted in accordance with different thermal requirements.
Trial Information
Trial Site : EMSD Headquarters
Trial Scale : 1 no. of testing model
Trial Duration : Dec 2020 to Jun 2022
Interim Report EMSD-M&V-P0177-W0308-S0841_Interim.pdf
Info on I&T Solution Provider
Solution Provider:The Hong Kong Polytechnic University
Address:Dept. of Building Services Engineering, The Hong Kong Polytechnic University
Contact Person:LU Lin
Position:Professor
Tel:852 - 3400 3596
Email: vivien.lu@polyu.edu.hk
Webpage: https://www.bse.polyu.edu.hk/People/bellu/index.html
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