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Surface treatment method for security notes and related security notes

A surface treatment and safety technology, which can be used in the post-processing of printing, printing, information-carrying cards, etc., and can solve the problems of weak hydrophobicity and oleophobicity

Active Publication Date: 2018-10-16
OBERTHUR FIDUCIAIRE SAS (PREVIOUSLY KNOWN AS FCO 2 SAS)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0019] However, although the method described in the document WO02051638 makes it possible to improve the anti-soiling properties of banknotes 1 in a conventional manner, such improvements are weak in terms of hydrophobicity and oleophobicity

Method used

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  • Surface treatment method for security notes and related security notes
  • Surface treatment method for security notes and related security notes
  • Surface treatment method for security notes and related security notes

Examples

Experimental program
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Embodiment Construction

[0039] The security document 1 comprises a substrate 2, for example made of cotton-like parchment.

[0040] According to a variant, the substrate 2 is made of imitation parchment comprising a mixture of cotton and natural fibers such as flax or castor.

[0041] According to another variant, the substrate 2 is made of parchment-like paper comprising a mixture of cotton and synthetic fibers of polymers based, for example, on polyethylene, polypropylene, polyester, polyamide.

[0042] According to another variant, the substrate 2 consists exclusively of a polymer, such as biaxially oriented polypropylene.

[0043] According to another variant, the substrate 2 is a composite, ie the substrate 2 is a combination of a layer of natural fiber material with a continuous polymer layer, such as a layer of polyester, polyamide or biaxially oriented polypropylene.

[0044] The security ticket 1 is, for example, a banknote.

[0045] The substrate 2 has two opposite faces 20 , 21 . exist ...

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Abstract

The invention relates to a method for the surface treatment of a security document (1) comprising at least one security stamp on at least one of its two opposite sides, the security stamp comprising at least one pattern, the The face and the associated at least one security decal are covered by a transparent protective overlay, wherein a lacquer comprising crystalline nano Cellulose amounts to 0.5% to 10% by weight of the paint.

Description

technical field [0001] The invention relates to the field of security notes, in particular to the fields of credit notes and identification notes. [0002] In the present invention, "document fiduciaire" refers to all instruments used to transfer a certain amount of money, such as banknotes, checks, and bank cards. "Identification ticket (document assimilé)" refers to a ticket issued by a government department to prove an individual's identity and the right to drive a vehicle, such as an ID card, passport, driver's license, etc. The expression also refers to documents used to identify valuables, such as tags attached to luxury clothing. The expression also refers to documents such as tax receipts that certify the payment of taxes. Background technique [0003] figure 1 A credit note 1 is shown, more particularly a banknote, on which no protective overlay has been added. [0004] The banknote 1 comprises a substrate 2 which is cotton and has two opposite faces 20,21. The...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41M7/02B42D25/29
CPCB41M7/02B41M2205/40B42D25/29B42D25/378
Inventor M·勒贝瑞J·吉洛特X·博尔德
Owner OBERTHUR FIDUCIAIRE SAS (PREVIOUSLY KNOWN AS FCO 2 SAS)
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