FIELD: process engineering.
SUBSTANCE: invention relates to translucent composite film for outer surfaces of windows. Proposed material 10 comprises underlayer material 11 with outer film PET layer 12 with surface processed for increase in adherence thereto and impregnated with substance absorbing UV radiation. Film layer 12 is applied onto the layer of metalised film 13. Processed surface of layer 12 is coated with sub layer of acryl polymer stabilised by UV radiation, or that of copolymer 14. Layer 14 is coated with UV-stabilised hard coating 15 composed by, at least, one aliphatic urethane oligomer with functionality of 2 and, at least, one multifunctional acrylate monomer. Note here that sub layer thickness equals that of hard coating. Outer surface of underlayer 11 may be coated with adhesive layer 16 to gluing film to the window glass. Adhesive layer is coated, in its turn, with cover film 17.
EFFECT: better resistance against aggressive weather.
17 cl, 2 dwg, 4 tbl
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