Radiation refrigeration film, application thereof and radiation refrigeration product
A radiation cooling and emissive layer technology, which is applied in the fields of radiation cooling products and radiation cooling films, can solve the problems affecting the effect of radiation cooling, and achieve the effects of avoiding the decline of radiation cooling effect, prolonging the use time and improving the aging resistance
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[0054] Another embodiment of the present invention provides a method for preparing a radiant refrigeration film, which is used to prepare the above-mentioned radiant refrigeration film, including the following steps:
[0055] Forming a bonding layer on an emitting layer, and bonding a physical protection layer to the bonding layer;
[0056] Among them, the material of the emission layer includes polymer and inorganic filler dispersed in the polymer; the material of the bonding layer includes adhesive and light stabilizer dispersed in the adhesive; the transmittance of the physical protective layer in the wavelength range of 0.3 μm to 2.5 μm Greater than or equal to 85%.
[0057] In some embodiments, the polymer is a resin material, preferably a thermoplastic resin material, such as 1,4-cyclohexanedimethanol resin, polystyrene resin, polyvinyl chloride resin, and the like.
[0058] In some embodiments, it further includes the step of forming a reflective layer, the reflective layer is ...
Embodiment 1
[0068] This embodiment provides a radiant refrigeration film, which includes a physical protection layer, an adhesive layer, an emission layer, and a metal reflection layer that are sequentially arranged from top to bottom.
[0069] The thickness of the radiant refrigeration film is 95 μm, of which the thickness of the physical protection layer is 25 μm (accounting for 26.3%), and the physical protection layer is a polyethylene terephthalate resin (PET resin) film layer.
[0070] The thickness of the adhesive layer is 5.85μm (6.2%). The adhesive layer includes a one-component acrylic adhesive and phenolic substituted 2-(2-hydroxy-5-benzyl) benzos dispersed in the acrylic adhesive. Triazole UV absorber and 4-benzoyloxy-2,2,6,6-tetramethylpiperidine light stabilizer, 2-(2-hydroxy-5-benzyl)benzotriazole UV absorber The mass fraction of the adhesive in the adhesive layer is 18%, and the mass fraction of the 4-benzoyloxy-2,2,6,6-tetramethylpiperidine light stabilizer in the adhesive lay...
Embodiment 2
[0074] This embodiment provides a radiant refrigeration film, which includes a physical protection layer, an adhesive layer, an emission layer, and a metal reflective layer that are sequentially arranged from top to bottom.
[0075] The thickness of the radiant refrigeration film is 120 μm, of which the thickness of the physical protection layer is 30 μm (accounting for 25%), and the physical protection layer is a PVC resin film layer.
[0076] The thickness of the adhesive layer is 9.8μm (8.2%). The adhesive layer includes a two-component acrylic adhesive and phenolic substituted 2-(2-hydroxy-5-benzyl)benzene dispersed in the acrylic adhesive. O-triazole ultraviolet absorber and 4-benzoyloxy-2,2,6,6-tetramethylpiperidine light stabilizer; 2-(2-hydroxy-5-benzyl)benzotriazole ultraviolet The mass fraction of the absorbent in the adhesive layer is 15%, and the mass fraction of the 4-benzoyloxy-2,2,6,6-tetramethylpiperidine light stabilizer in the adhesive layer is 10%.
[0077] The th...
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Abstract
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