FIELD: chemistry.
SUBSTANCE: film consists of at least one layer. The layer contains the following in wt %: 80-99.99 transparent polycarbonate and 0.01-20 polymer particles with a "nucleus-shell" structure based on acrylate. The particles have average size ranging from 1 to 100 mcm. The film is co-extruded with thickness from 0.03 to 1 mm. The invention enables to obtain structured films with one shiny side. The surface of the structured film has glossiness from 0.5-20% (EN ISO 2813 standard, angle 60°) and roughness from 3 to 25 mcm (ISO 4288 standard). The shiny side of the film has glossiness more than 50% (EN ISO 2813 standard, angle 60°).
EFFECT: improved film properties.
5 cl, 2 tbl, 10 ex
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Authors
Dates
2011-12-27—Published
2006-10-11—Filed