FIELD: composite materials. SUBSTANCE: multilayer coextrudate containing plastic layer possessing inadhesive properties toward glue, materials providing said inadhesive properties being located inside plastic layer, is manufactured observing following arrangement of constituents: first sheet with one of its sides covered with glue layer supports plastic layer with inadhesive properties, which in turn is joined with second sheet, all layers of coextrudate being coextruded simultaneously. EFFECT: simplified manufacture process. 3 cl, 2 dwg, 2 ex
