Patent ID: 11867434

Abstract:
A radiative cooling film and a product thereof are provided. The radiative cooling film includes a carrier layer, a reflective layer and an emissive layer stacked together. A light shines on the radiative cooling film from the emissive layer. The emissive layer includes a polymer containing a C—F bond. The carrier layer includes a polymer containing at least one of a C—C bond and a C—O bond. After disposing at 120 degrees centigrade for 30 minutes, a transverse direction heat-shrinkage rate of the carrier layer is less than or equal to 2%, and a machine direction heat-shrinkage rate of the carrier layer is less than or equal to 3%. A thickness of the radiative cooling film is in a range of 50 m to 170 μm, and a thickness of the emissive layer accounts for 20% to 90% of the thickness of the radiative cooling film.