RADIATIVE COOLING FABRIC AND FABRICATION METHOD FOR THE SAME
A fabric includes one or more yarns. Each of the one or more yarns include a plurality of filaments. Each of the filaments has an average diameter in a range of 20-50 μm such that the fabric has an infrared radiation transmittance at a wavelength of 9.5 μm of at least 37%.
1 . A fabric comprising:
one or more yarns, each of the one or more yarns including a plurality of filaments,
wherein each of the filaments has an average diameter in a range of 20-50 μm such that the fabric has an infrared radiation (IR) transmittance at a wavelength of 9.5 μm of at least 37%.
2 . The fabric of claim 1 , wherein the filaments has an average diameter in a range of 20-40 μm.
3 . The fabric of claim 1 , wherein the filaments comprise one or more of polyethylene, polypropylene, or polyamide.
4 . The fabric of claim 1 , wherein the fabric has a porosity in a range of 0-12%.
5 . The fabric of claim 1 , wherein the one or more yarns include at least one yarn having a coating on its surface.
6 . The fabric of claim 1 , wherein the one or more yarns contain dyestuff.
7 . The fabric of claim 1 , wherein the one or more yarns include an ultraviolet block agent.
8 . The fabric of claim 7 , wherein the ultraviolet block agent includes one or more of ZnO or TiO 2 .
9 . The fabric of claim 1 , wherein the one or more yarns include ceramic filler.
10 . The fabric of claim 1 , wherein each of the one or more yarns has an average diameter of at most 400 μm.
11 . An apparatus comprising a fabric, wherein the fabric comprises:
one or more yarns, each of the one or more yarns including a plurality of filaments,
wherein each of the filaments has an average diameter in a range of 20-50 μm such that the fabric has an infrared radiation (IR) transmittance at a wavelength of 9.5 μm of at least 37%.
12 . The apparatus of claim 11 , wherein the filaments has an average diameter in a range of 20-40 μm.
13 . The apparatus of claim 11 , wherein the filaments comprise one or more of polyethylene, polypropylene, or polyamide.
14 . The apparatus of claim 11 , wherein the fabric has a porosity in a range of 0-12%.
15 . The apparatus of claim 11 , wherein the one or more yarns include at least one yarn having a coating on its surface.
16 . The apparatus of claim 11 , wherein the one or more yarns contain dyestuff.
17 . The apparatus of claim 11 , wherein the one or more yarns include an ultraviolet block agent.
18 . The apparatus of claim 17 , wherein the ultraviolet block agent includes one or more of ZnO or TiO 2 .
19 . The apparatus of claim 11 , wherein the one or more yarns include ceramic filler.
20 . The apparatus of claim 11 , wherein each of the one or more yarns has an average diameter of at most 400 μm.