FIELD: printing equipment.
SUBSTANCE: invention relates to a process for the surface treatment of a security document which comprises, at least on one of its opposite faces, at least one security printing consisting of at least one pattern, wherein this face and this at least one associated printing being covered with a transparent protective coating, in this method, a varnish comprising crystalline nanocellulose in a portion of 0.5 % to 10 % by weight of the varnish is put in place via the printing or coating technique on said at least one face, and in which said varnish layer is dried.
EFFECT: proposing a surface treatment method for a security document for improving the soil resistance of the security document and its hydrophobic and oleophobic properties and in particular to ensure the protection of security prints that are critical to the authentication of the banknote.
16 cl, 5 dwg, 1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| PAPER BASE, ITS PRODUCTION METHOD AND SECURED DOCUMENT HAVING SAID BASE | 2015 |
|
RU2685292C2 |
| METHOD OF MAKING A SECURITY DOCUMENT WITH A PROTECTIVE FILM APPLIED AND THE OBTAINED DOCUMENT | 2017 |
|
RU2725794C2 |
| METHOD FOR TREATING SURFACE OF A BANKNOTE | 2012 |
|
RU2611503C2 |
| PROTECTED DOCUMENT AND/OR VALUABLE SECURITY | 2005 |
|
RU2359837C2 |
| SECURED DOCUMENT AND METHOD OF ITS PRODUCTION | 2020 |
|
RU2807664C2 |
| IMPORTANT DOCUMENT | 2004 |
|
RU2361744C2 |
| METHOD OF APPLICATION LACQUER ON SECURITY PAPERS, PARTICULARLY ON SECURITY PAPERS PRINTED BY INTAGLIO METHOD, FOR EXAMPLE, BANKNOTES, AND MACHINE FOR APPLICATION LACQUER FOR PERFORMING METHOD | 2009 |
|
RU2513682C2 |
| IMPORTANT DOCUMENT | 2004 |
|
RU2365511C2 |
| COMPOSITION FOR FIDUCIARY USE AND SECURITY DOCUMENT USING SAME | 2013 |
|
RU2656471C2 |
| VALUABLE DOCUMENT | 2005 |
|
RU2381906C2 |
