Security and/or valuable documents with a top layer with a scratch-resistant finish
AssigneeBayer MaterialScience AG
InventorsJoachim Petzoldt, Mehmet-Cengiz Yesildag, Georgios Tziovaras
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AssigneeBayer MaterialScience AG
InventorsJoachim Petzoldt, Mehmet-Cengiz Yesildag, Georgios Tziovaras
Estimating the term…
The invention relates to a security and/or valuable document containing a scratch-resistant coating obtained from a lacquer composition comprising I) from 12 to 70 parts by wt. of a C2-C12-diol diacrylate or C2-C12-diol dimethacrylate, II) from 12 to 40 parts by wt. of an alkoxylated mono-, di-, tri-, tetra-, penta- or hexaacrylate or alkoxylated mono-, di-, tri-, tetra-, penta- or hexamethacrylate, III) from 0 to 40 parts by wt. of a monomer selected from the group consisting of pentaerythritol triacrylate, pentaerythritol tetraacrylate, dipentaerythritol tetraacrylate, dipentaerythritol pentaacrylate, dipentaerythritol hexaacrylate, pentaerythritol trimethacrylate, pentaerythritol tetramethacrylate, dipentaerythritol tetramethacrylate, dipentaerythritol pentamethacrylate, dipentaerythritol hexamethacrylate, reaction products thereof with aliphatic or aromatic diisocyanates, and mixtures thereof, IV) from 5 to 60 parts by wt. of a further mono-, di- or triacrylate or mono-, di- or trimethacrylate, and further comprises V) from 0.1 to 10 parts by wt. of a photoinitiator.
A security and/or valuable document comprising a scratch-resistant coating obtained from a lacquer composition comprising
A process for the production of a lacquer composition for a scratch-resistant coating for a security and/or valuable document comprising contacting at least
A process for the production of a security and/or valuable document comprising
A thermoplastic film having a surface coated with a coating obtained from a lacquer composition comprising
A lacquer composition comprising
Dependencies are inferred from the claim text.