FIELD: physics.
SUBSTANCE: invention relates to new films for application as protective film from atmospheric agents. At that, the outer layer is a layer containing a fluoropolymer, the middle layer is a PMMA layer containing at least one UV radiation absorber and/or UV stabilizer, and the inner layer is a PMMA layer containing at least one adhesion promoter which improves adhesion on the substrate.
EFFECT: invention provides a new film composite which has at least three layers and which is characterized by very good adhesion on the substrate and very good optical properties.
17 cl, 2 tbl, 4 ex
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