FIELD: chemistry.
SUBSTANCE: invention relates to the field of counterfeit-resistant polymer materials, and concerns brittle acrylic films made from impact-resistant polyalkyl(meth)acrylate, and labels to prevent falsification containing them. Films are preferably produced by extrusion and, depending on the required target, can be designed as semi-transparent or completely opaque, for example white. Acrylic films and labels preventing tampering, containing them, do not contain specified points of rupture, such as slits, perforation.
EFFECT: invention enables to obtain a fragile film for making labels to prevent tampering, which are characterized by low tear strength, low resistance to propagation of the fracture and a short fracture line to facilitate complete tearing of the film when attempting unauthorized removal, but can nevertheless be obtained and processed without breaks.
14 cl, 2 ex, 3 dwg
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