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US 2023/0375290 A1Published application
Laminate for radiative cooling and preparing method thereof
AssigneesHyundai Motor Company, Kia Corporation
InventorMin Jae Lee
Life of this patent
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Abstract
A laminate for radiative cooling includes a porous base layer including a visible-ray reflective polymer and having nano-sized pores formed in the visible-ray reflective polymer, and a coating layer formed on one face of the porous base layer and including an infrared-ray emissive polymer.
Claims17
A laminate for radiative cooling, the laminate comprising:
- a porous base layer having a visible-ray reflective polymer with nano-sized pores formed in the visible-ray reflective polymer;
- and
- a coating layer positioned on a face of the porous base layer, wherein the coating layer comprises an infrared-ray emissive polymer.
A radiative cooling element comprising:
- a laminate having:
- a porous base layer comprising a visible-ray reflective polymer with nano-sized pores formed in the visible-ray reflective polymer;
- and
- a coating layer positioned on a face of the porous base layer, wherein the coating layer comprises an infrared-ray emissive polymer.
1 more element
A vehicle comprising:
- a radiative cooling element having a laminate,
- wherein the laminate comprises:
- a porous base layer having a visible-ray reflective polymer with nano-sized pores formed in the visible-ray reflective polymer;
- and
- a coating layer positioned on a face of the porous base layer, wherein the coating layer comprises an infrared-ray emissive polymer.
2 more elements
A method for preparing a laminate for radiative cooling, the method comprising:
- applying and curing a raw material composition containing a visible-ray reflective polymer and pore-forming inorganic particles to form a cured film;
- etching and removing the pore-forming inorganic particles from the cured film to obtain a porous base layer in which pores derived from the pore-forming inorganic particles are formed;
- and
- forming a coating layer comprising an infrared-ray emissive polymer on a face of the porous base layer.
1 more element
Dependencies are inferred from the claim text.