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EP2075375A1 - Paper for personal document sheets and security document from this paper - Google Patents

Paper for personal document sheets and security document from this paper Download PDF

Info

Publication number
EP2075375A1
EP2075375A1 EP07460036A EP07460036A EP2075375A1 EP 2075375 A1 EP2075375 A1 EP 2075375A1 EP 07460036 A EP07460036 A EP 07460036A EP 07460036 A EP07460036 A EP 07460036A EP 2075375 A1 EP2075375 A1 EP 2075375A1
Authority
EP
European Patent Office
Prior art keywords
paper
colour
document
pigment
personalised
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP07460036A
Other languages
German (de)
French (fr)
Inventor
Ewelina Jakielaszek
Marzena Sadecka
Joanna Gurtowska
Slawomir Ziólkowski
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Polska Wytwornia Papierow Wartosciowych SA
Original Assignee
Polska Wytwornia Papierow Wartosciowych SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Polska Wytwornia Papierow Wartosciowych SA filed Critical Polska Wytwornia Papierow Wartosciowych SA
Priority to EP07460036A priority Critical patent/EP2075375A1/en
Publication of EP2075375A1 publication Critical patent/EP2075375A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/40—Agents facilitating proof of genuineness or preventing fraudulent alteration, e.g. for security paper
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D21H19/36—Coatings with pigments
    • D21H19/38—Coatings with pigments characterised by the pigments

Definitions

  • the invention covers paper for personal document sheets and a security document from this paper.
  • the polish patent No. 186494 refers to a personalised passport sheet made of laminated colour layer placed between two transparent layers of thermosetting plastic, for instance polycarbonate. All the layers are laminated with increased temperature and pressure. One of the transparent layers contains for instance 0.4 % of carbon and with the application of a laser beam - a dark colour emerges on the personalised sheet.
  • thermosetting plastic used in the known solution are relatively rigid and fragile. Therefore, there is a need to use a special construction of the personalised sheet in the most frequently bent part after it has been joined with other document sheets into a booklet.
  • a separating layer preventing lamination is used in that part of the personalised sheet.
  • that part of the personalised sheet does not contain a colour layer; due to the separating layer, it is possible to move both external transparent layers in relation to each other. in another solution, as per the polish patent application No. 361041 , due to the separating layer, it is possible to cut off portions of the transparent layers on the joining side of the personalised sheet with other sheets of the document.
  • the goal of the invention is a solution to produce a personal document sheets with laser engraving technique without a need to use a thermosetting plastic layer.
  • the essence of the invention is paper for personalized sheets of secure personal documents that is coated with a known method with a coating mixture containing polyvinyl alcohol, dispersing agent, stabilising agent and pigment, which subjected to a laser beam changes colour to a colour contrasting to the paper.
  • the coating mixture contains such pigment in proportion of 0.1 % to 5 %.
  • a personalised document sheet made with laser engraving technique does not have to contain a thermosetting plastic layer. Therefore, the personalised sheet may be laminated with a layer of any plastic. It is also possible that a personalised document sheet made with laser engraving technique does not have to be laminated with a plastic.
  • Another advantage of the solution is that the personalised trace with the laser engraving technique on paper is better legible and more contrasting as related to a trace made with the known solution.
  • the coating mixture contains mica-base pigment.
  • pigment dispersion was prepared containing 4 parts of pigment, 8 parts of dispersing agent i 200 parts of water. The dispersion was then added to 2700 parts of water and mixed with an addition of 900 parts of a 10 % solution of polyvinyl alcohol, 35 parts of curing agent, 3 parts of ammonium chloride, 25 parts of glycerine and 100 parts of mixture stabilising agent.
  • a paper ribbon was coated with the mixture by applying the known method.
  • Personalisation data in the form of a photo and various alphanumeric characters were laser printed on over the coated paper.
  • the personalisation was clearly and with contrast visible on the paper. The effect was reinforced when watched against light.

Landscapes

  • Paper (AREA)

Abstract

As per the invention, the paper for personal document sheets is coated with a mixture containing polyvinyl alcohol, dispersing agent, stabilising agent and a pigment, that subjected to a laser beam changes colour to become contrasting to the background paper. The pigment may be used in proportion from 0.1 % to 5 %. The security document has at least one personalised sheet is made from this paper.

Description

  • The invention covers paper for personal document sheets and a security document from this paper.
  • The polish patent No. 186494 refers to a personalised passport sheet made of laminated colour layer placed between two transparent layers of thermosetting plastic, for instance polycarbonate. All the layers are laminated with increased temperature and pressure. One of the transparent layers contains for instance 0.4 % of carbon and with the application of a laser beam - a dark colour emerges on the personalised sheet.
  • The layers of thermosetting plastic used in the known solution are relatively rigid and fragile. Therefore, there is a need to use a special construction of the personalised sheet in the most frequently bent part after it has been joined with other document sheets into a booklet. In particular, a separating layer preventing lamination is used in that part of the personalised sheet. For instance, pursuant to the polish patent No. 186494 , that part of the personalised sheet does not contain a colour layer; due to the separating layer, it is possible to move both external transparent layers in relation to each other. in another solution, as per the polish patent application No. 361041 , due to the separating layer, it is possible to cut off portions of the transparent layers on the joining side of the personalised sheet with other sheets of the document.
  • The goal of the invention is a solution to produce a personal document sheets with laser engraving technique without a need to use a thermosetting plastic layer.
  • The essence of the invention is paper for personalized sheets of secure personal documents that is coated with a known method with a coating mixture containing polyvinyl alcohol, dispersing agent, stabilising agent and pigment, which subjected to a laser beam changes colour to a colour contrasting to the paper. The coating mixture contains such pigment in proportion of 0.1 % to 5 %.
  • The effect is that a personalised document sheet made with laser engraving technique does not have to contain a thermosetting plastic layer. Therefore, the personalised sheet may be laminated with a layer of any plastic. It is also possible that a personalised document sheet made with laser engraving technique does not have to be laminated with a plastic.
  • Another advantage of the solution is that the personalised trace with the laser engraving technique on paper is better legible and more contrasting as related to a trace made with the known solution.
  • The exemplary execution of the invention, the coating mixture contains mica-base pigment. In the initial operation, pigment dispersion was prepared containing 4 parts of pigment, 8 parts of dispersing agent i 200 parts of water. The dispersion was then added to 2700 parts of water and mixed with an addition of 900 parts of a 10 % solution of polyvinyl alcohol, 35 parts of curing agent, 3 parts of ammonium chloride, 25 parts of glycerine and 100 parts of mixture stabilising agent. A paper ribbon was coated with the mixture by applying the known method.
  • Personalisation data in the form of a photo and various alphanumeric characters were laser printed on over the coated paper. The personalisation was clearly and with contrast visible on the paper. The effect was reinforced when watched against light.

Claims (3)

  1. Paper for personal document sheets characterised in that it is coated with a coating mixture containing polyvinyl alcohol, dispersing agent, stabilising agent and pigment, which subjected to laser beam changes colour to a contrasting colour in relation to the background paper colour.
  2. The paper as claimed in claim 1 characterised in that the coating mixture contains a pigment, which subjected to laser beam changes colour to a contrasting colour in relation to the background paper colour, in proportion of 0.1 % to 5 %.
  3. Security document characterised in that at least one personalised sheet is made from the paper as claimed in claim 1 or 2.
EP07460036A 2007-12-11 2007-12-11 Paper for personal document sheets and security document from this paper Withdrawn EP2075375A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07460036A EP2075375A1 (en) 2007-12-11 2007-12-11 Paper for personal document sheets and security document from this paper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07460036A EP2075375A1 (en) 2007-12-11 2007-12-11 Paper for personal document sheets and security document from this paper

Publications (1)

Publication Number Publication Date
EP2075375A1 true EP2075375A1 (en) 2009-07-01

Family

ID=39204928

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07460036A Withdrawn EP2075375A1 (en) 2007-12-11 2007-12-11 Paper for personal document sheets and security document from this paper

Country Status (1)

Country Link
EP (1) EP2075375A1 (en)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997046624A1 (en) * 1996-06-03 1997-12-11 Engelhard Corporation Pearlescent glass
EP0894896A2 (en) 1997-07-30 1999-02-03 MERCK PATENT GmbH Papers and cardboard products suitable for laser marking
DE19746067A1 (en) * 1997-10-17 1999-04-22 Merck Patent Gmbh Interference pigments based on flaky substrates used in paint, lacquer, printing ink, plastics, ceramics, glaze and cosmetics
WO2000005452A1 (en) 1998-07-22 2000-02-03 Security Transfer B.V. Paint and paper coated with said paint
WO2003006558A2 (en) * 2001-07-12 2003-01-23 Merck Patent Gmbh Multilayer pigments based on glass flakes
PL361041A1 (en) 2002-07-08 2004-01-12 Setec Oy Method of preparing information page and information page
PL186494B1 (en) 1996-11-01 2004-01-30 Setec Oy Passport
US20050006041A1 (en) 1998-04-09 2005-01-13 Omya Ag Composite co-structured or co-adsorbed, mineral or organic filler or pigment compounds and the use thereof
DE102004027306A1 (en) * 2004-06-04 2005-12-22 Giesecke & Devrient Gmbh Security document, e.g. banknote or passport, uses security paper with coated sub-section(s) and are marked with laser so that mark extends over boundary between coating and paper
US20060207737A1 (en) 2005-03-15 2006-09-21 Donald Hiscock Aqueous pigmented coating formulation providing for improved opacity

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997046624A1 (en) * 1996-06-03 1997-12-11 Engelhard Corporation Pearlescent glass
PL186494B1 (en) 1996-11-01 2004-01-30 Setec Oy Passport
EP0894896A2 (en) 1997-07-30 1999-02-03 MERCK PATENT GmbH Papers and cardboard products suitable for laser marking
DE19746067A1 (en) * 1997-10-17 1999-04-22 Merck Patent Gmbh Interference pigments based on flaky substrates used in paint, lacquer, printing ink, plastics, ceramics, glaze and cosmetics
US20050006041A1 (en) 1998-04-09 2005-01-13 Omya Ag Composite co-structured or co-adsorbed, mineral or organic filler or pigment compounds and the use thereof
WO2000005452A1 (en) 1998-07-22 2000-02-03 Security Transfer B.V. Paint and paper coated with said paint
WO2003006558A2 (en) * 2001-07-12 2003-01-23 Merck Patent Gmbh Multilayer pigments based on glass flakes
PL361041A1 (en) 2002-07-08 2004-01-12 Setec Oy Method of preparing information page and information page
DE102004027306A1 (en) * 2004-06-04 2005-12-22 Giesecke & Devrient Gmbh Security document, e.g. banknote or passport, uses security paper with coated sub-section(s) and are marked with laser so that mark extends over boundary between coating and paper
US20060207737A1 (en) 2005-03-15 2006-09-21 Donald Hiscock Aqueous pigmented coating formulation providing for improved opacity

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