FIELD: chemistry.
SUBSTANCE: invention relates to window films having low emissivity and suitable for screening electromagnetic interference. A transparent composite film with emissivity not greater than 0.3 includes a transparent film substrate, an underlying layer of wear-resistant solid coating material, containing a curable acrylate resin and an infrared radiation reflecting layer compatible with the film substrate. On top of the infrared radiation reflecting layer there is a transparent protective surface coating with thickness of not more than 0.5 mcm, which contains polysilazane, fluorosilane or fluoroacryl silane.
EFFECT: invention reduces emissivity of the transparent composite film, raises the level of protection and confidentiality of electronic data.
18 cl, 4 dwg, 10 tbl, 18 ex
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