WO2008083626A1 - Fibre anti-falsification et papier anti-falsification contenant ladite fibre anti-falsification - Google Patents

Fibre anti-falsification et papier anti-falsification contenant ladite fibre anti-falsification Download PDF

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Publication number
WO2008083626A1
WO2008083626A1 PCT/CN2008/070058 CN2008070058W WO2008083626A1 WO 2008083626 A1 WO2008083626 A1 WO 2008083626A1 CN 2008070058 W CN2008070058 W CN 2008070058W WO 2008083626 A1 WO2008083626 A1 WO 2008083626A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer material
color
fiber
inner layer
counterfeit
Prior art date
Application number
PCT/CN2008/070058
Other languages
English (en)
Chinese (zh)
Inventor
Xianlin Sun
Original Assignee
Xianlin Sun
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 Xianlin Sun filed Critical Xianlin Sun
Publication of WO2008083626A1 publication Critical patent/WO2008083626A1/fr

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/253—Formation of filaments, threads, or the like with a non-circular cross section; Spinnerette packs therefor
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/28—Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
    • D01D5/30—Conjugate filaments; Spinnerette packs therefor
    • D01D5/34—Core-skin structure; Spinnerette packs therefor
    • 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
    • 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
    • D21H21/28—Colorants ; Pigments or opacifying agents

Definitions

  • the present invention relates to an anti-counterfeit fiber and an anti-counterfeit paper containing the anti-counterfeit fiber, and more particularly to an anti-counterfeit fiber having a clear visual difference and a security paper containing the anti-counterfeit fiber, which are observed by reflected light and transmitted light. Background technique
  • colored anti-counterfeiting fiber has been widely used in the field of anti-counterfeiting paper, such as banknotes, securities, anti-counterfeit labels, etc., but the problem that has been difficult to solve is that printed color thin lines are easy to imitate their visual characteristics. Especially in some cases where paper is not allowed to be damaged, counterfeit printing lines are easy to get away with.
  • another problem with colored security fibers randomly distributed on the paper is that it contaminates the paper surface and affects the aesthetics of the entire design pattern. Summary of the invention
  • the present invention provides an anti-counterfeiting fiber which is difficult to imitate its visual characteristics and which is easily recognized by the public.
  • Another object of the present invention is to provide an anti-counterfeit fiber which does not contaminate the paper surface when reflected light is observed.
  • a security fiber comprising at least a composite material 1 and an inner layer material 2, and an outer layer material 1 covering the inner layer material 2, wherein: the outer layer material 1 is color A, the inner layer material 2 is the color B, the color A and the color B have obvious visual differences, and the anti-counterfeit fiber is copied into the pulp layer, and the reflected light is observed when the anti-counterfeit fiber is located in the pulp layer.
  • the colors have obvious visual differences.
  • the outer layer material 1 is irradiated with sunlight (white light).
  • the opacity is just enough to cover the color B of the inner layer material 2, such that when the reflected light observes the security fiber, it only presents the color A, and the reflected light exhibits the synthesis of the paper and the color A when the security fiber is added to the paper.
  • Color A' since the outer layer material 1 substantially covers the color of the inner layer material 2, its synthetic color A' is close to the color A of the outer layer material; the inner layer material 2 is a transparent colored material, the color is B, color B has a significant visual difference from color A, such as transparent red, transparent blue, transparent green, etc., or the inner layer material 2 is black, and when transmitted light observes the security fiber located in the paper, Presenting the composite color B ' of the paper, the outer layer material 1 and the inner layer material 2, the color A' and the color B' have obvious visual differences; when the outer layer material is white, the outer layer material 1 and the inner layer are observed by light transmission. Composite color material B '2 close to inner material Color B.
  • the color A of the outer layer material 1 is white.
  • the outer layer material 1 contains titanium white powder, and the titanium white powder has a mass concentration of not less than 5%.
  • the cross-sectional shape of the anti-counterfeit fiber is circular, and the outer layer material 1 and the inner layer material 2 are concentric structures.
  • the inner layer material 2 has a cross-sectional shape of a circle composed of a semicircular first portion 3 and a semicircular second portion 4, and the semicircular first portion 3 and the semicircular second portion 4 have the same color and different heat shrinkage rates.
  • the cross-sectional shape of the anti-counterfeit fiber is flat
  • the cross-sectional shape of the inner layer material 2 is a flat strip shape
  • the outer layer material 1 and the inner layer material 2 are concentric structures.
  • the cross-sectional shape of the anti-counterfeit fiber is flat, the outer layer material 1 and the inner layer material 2 are concentric, and the inner layer material 2 has a cross-sectional shape of a flat strip composed of the first portion 3 and the second portion 4 juxtaposed.
  • the first portion 3 and the second portion 4 are the same color and have different heat shrinkage rates.
  • the outer layer material 1 is composed of a third portion 5 and a fourth portion 6, the third portion 5 and the fourth portion 6 are of the same color, and the third portion 5 is a spinning component, which is composited to the inner layer material 2 At the two ends, the fourth portion 6 is a printing coating component which is printed and coated on the upper and lower flat surfaces of the inner layer material 2.
  • the outer layer material 1 is composed of a third portion 5, a fourth portion 6 and a fifth portion 7, the third portion 5, the fourth portion 6 and the fifth portion being the same color, the third portion 5 and the fifth portion
  • the crucible is a spinning component and has different heat shrinkage rates, and is respectively combined with the left and right ends of the inner layer material 2, and the fourth portion 6 is a printing coating component, and the upper and lower flat portions of the inner layer material 2 are printed and coated. surface.
  • the anti-counterfeiting fiber further comprises a fluorescent whitening material coated on the surface layer of the anti-counterfeit fiber, or dyed into the outer layer material, or included in each layer of all anti-counterfeit fibers, Including the addition of the fluorescent whitening agent directly into the spinning material during spinning, the fiber can also be directly dyed with a fluorescent whitening dye. This enhances the hiding effect of the outer layer material 1 on the inner layer material 2 and the visible light in the daylight through the outer layer material 1, thereby increasing the penetrating ability of the inner layer material 2 when the light transmission is observed.
  • the outer layer material 1 further comprises at least one metal film 8, and the metal film 8 is attached to the inner layer material 2. Further, the outer layer material 1 is a metal film 8 with a white cover layer, a white cover layer at the outermost layer, and a metal film at the intermediate layer.
  • the outer layer material 1 is a metal film such as an aluminized film.
  • the anti-counterfeit fiber inner layer material 2 has at least two different color segments along the length of the fiber.
  • the security fiber is a short fiber having a length of not more than 20 mm.
  • the security fiber is a safety wire fiber having a length of not less than 100 mm.
  • a security paper containing the above-mentioned anti-counterfeit fiber characterized in that the security paper contains the above-mentioned security fiber.
  • a security paper containing the above-mentioned anti-counterfeit fiber characterized in that the anti-counterfeit fiber is a short fiber having a length of not more than 20 mm, which is randomly or uniformly distributed in the pulp layer.
  • the color A of the outer layer material 1 of the security fiber in the security paper is close to or the same as the color of the pulp.
  • a security paper comprising the above-mentioned anti-counterfeit fiber, characterized in that the security fiber is a security thread length fiber having a length of not more than 100 mm, and the security thread is wholly or partially embedded in the pulp layer.
  • the color B of the outer layer of the cross-section of the security thread is the same as the color of the pulp.
  • the color A of the outer layer of the anti-counterfeiting fiber material 1 of the present invention is the same as the color of the pulp, which means that there is at least no significant difference in the human eye observation, and the purpose of achieving no visual contamination on the paper surface can be achieved.
  • the anti-counterfeit fiber is copied into the pulp layer, in particular, it can be selected and copied into the pulp of the same or similar color as the outer layer material 1 of the anti-counterfeit fiber, since we normally use the reflection to reflect the paper surface.
  • 1 to 1 and 1 to 2 are respectively a cross-sectional view in which the inner and outer layers of the cross section of the anti-counterfeit fiber are concentrically circular and a plan view of the cross-sectional view.
  • Fig. 2-1 and Fig. 2-2 respectively show a cross-sectional view of the inner and outer layers of the cross section of the anti-counterfeit fiber as a coaxial flat shape and a plan view of the cross-sectional view.
  • Fig. 3-1 and Fig. 3-2 respectively show a cross-sectional view of the inner and outer layers of the cross section of the anti-counterfeit fiber in a concentric circle and a top view of the cross-sectional view, wherein the inner layer is in the same color and juxtaposed.
  • 4 to 1 and 4 to 2 are respectively a cross-sectional view of the inner and outer layers of the cross section of the anti-counterfeit fiber being coaxially flat and a plan view of the cross-sectional view, the inner layer being of the same color and juxtaposed.
  • FIG. 5-1, FIG. 5-2, the outer layer of the anti-counterfeiting fiber contains a printing coating layer
  • FIG. 5-1 and FIG. 5.2 are respectively a cross-sectional view of the cross-sectional shape of the coaxial flat shape and the sectional view thereof. Top view.
  • Figure 6-1, Figure 6-2 The outer layer of the anti-counterfeiting fiber contains a printing coating layer, and Figures 6-1 and 6.2 respectively show a cross-sectional view of the cross-sectional shape of the coaxial flat shape and the sectional view thereof.
  • the inner layer is in the same color and juxtaposed in two components. 7-7, FIG. 7-2, the outer layer of the anti-counterfeit fiber contains a printing coating layer, and FIG. 7-1 and FIG. 7-2 respectively have a cross-sectional view of a coaxial flat shape and a top view of the cross-sectional view. .
  • the outer layer of the anti-counterfeiting fiber shown in Fig. 8-1 and Fig. 8-2 contains a metal film layer, and Fig. 8-1 and Fig. 8-2 are respectively a cross-sectional view with a coaxial cross section and a top view of the cross-sectional view.
  • Embodiment 1 The anti-counterfeit fiber shown in FIG. 1 and FIG. 1 and 2 has a circular cross-sectional shape, the outer layer material 1 and the inner layer material 2 have a concentric structure, and the outer layer material 1 has a color A, such as titanium.
  • concentration of white powder can cover the red color of the inner layer material 2, and ensure that the fiber is white or has the same color or similar color as the paper surface under the condition of reflected light (sunlight) after being copied into the white pulp layer.
  • the opacity of the outer layer material 1 is suitable to cover the red color of the core layer 2 under the condition of reflected light; the inner layer material 2 is colored but Transparent.
  • the outer layer material 1 can also be an aluminized layer. Compared with titanium dioxide, the aluminized layer has a good hiding power at 200 nm, but the whiteness of the aluminized layer is not as good as titanium white powder.
  • the inner layer material 2 is a transparent colored material such as transparent red, transparent blue, transparent green, or the like, or the inner layer material 2 is black.
  • Embodiment 2 The cross-sectional shape of the anti-counterfeit fiber in FIG. 2 - 1 and FIG. 2 - 2 is flat, the cross-sectional shape of the inner layer material 2 is a flat strip shape, and the outer layer material 1 and the inner layer material 2 are coaxial structures. Other material characteristics are the same as those of the above-described Embodiment 1.
  • Embodiment 3 The cross-sectional shape of the anti-counterfeit fiber shown in Fig. 3-1 and Fig. 3-2 is circular, and the cross-sectional shape of the inner layer material 2 is a circle of a semicircle first portion 3 and a semicircle second portion 4 juxtaposed.
  • the semicircular first portion 3 and the semicircular second portion 4 have the same color and different heat shrinkage rates, and different heat shrinkage rates ensure that the fibers are flexible, and other material characteristics are the same as in the above Embodiment 1.
  • Embodiment 4 The cross-sectional shape of the anti-counterfeit fiber of FIG. 4, FIG. 4-2 is flat, the outer layer material 1 and the inner layer material 2 are coaxial structures, and the inner layer material 2 has a cross-sectional shape of the first part 3
  • the first strip 3 and the second portion 4 are of the same color and have different heat shrinkage rates, and the different heat shrinkage rates ensure that the fibers are flexible, and other material features are the same as in the above-mentioned Embodiment 1 .
  • Embodiment 5 The cross-sectional shape of the anti-counterfeit fiber shown in FIG. 5-1, FIG. 5-22 is flat, and the outer layer material 1 is composed of a combination of the third portion 5 and the fourth portion 6, the third portion 5 and the fourth portion 6 The color is the same, the third part 5 is a spinning component, and the left and right ends of the inner layer material 2 are composited, and the fourth part 6 is a printing coating component, and the upper and lower flat surfaces of the inner layer material 2 are printed and coated.
  • the printing coating component contains titanium dioxide, and in this embodiment, the outer layer is coated with a coating layer.
  • the concentration of titanium dioxide for the printed coating layer can be much greater than the concentration achievable by the titanium white powder in the spinning composition, and has better hiding power under the same thickness conditions, and other material characteristics are the same as those of the above-mentioned Embodiment 1.
  • Embodiment 6 FIG. 6-1, FIG. 6-2
  • the cross-sectional shape of the anti-counterfeit fiber is flat, the outer layer material 1 is composed of the third portion 5 and the fourth portion 6, and the third portion 5 and the fourth portion 6 are colored.
  • the third portion 5 is composited at the left and right ends of the inner layer material 2, and the first portion 3 and the second portion 4 have the same color and different heat shrinkage rates, and different heat shrinkage rates ensure that the fibers are flexible, and the fourth portion 6
  • the upper and lower flat surfaces of the inner layer material 2 are printed and applied, and other material characteristics are the same as those of the above-described embodiment 5.
  • FIG. 7-1, FIG. 7-2, the cross-sectional shape of the anti-counterfeit fiber is flat, and the outer layer material 1 is composed of the third portion 5, the fourth portion 6 and the fifth portion 7 to form an outer wrapping portion of the inner layer material 2.
  • the third part 5, the fourth part 6 and the fifth part 7 have the same color, the third part 5 and the fifth part 7 are spinning components and have different heat shrinkage rates, and different heat shrinkage rates can ensure the fiber is easy to bend.
  • the left and right ends of the inner layer material 2 are respectively combined, and the fourth portion 6 is a printing coating component, and the upper and lower flat surfaces of the inner layer material 2 are printed and coated, and other material characteristics are the same as those of the above-mentioned embodiment 5.
  • the cross-sectional shape of the anti-counterfeit fiber is flat
  • the inner layer material 2 has a flat cross-sectional shape
  • the outer layer material 1 is printed by the fourth portion 6 and the sixth portion 8
  • the aluminum coating layer is composed of the fourth portion 6 of the printing coating layer and the sixth portion 8 of the aluminum plating layer.
  • the outer layer material 1 and the inner layer material 2 have a concentric structure.
  • titanium dioxide Based on titanium dioxide, it has good whiteness, but its hiding power is not as good as that of aluminum plating. Although the aluminum coating has strong hiding power, the whiteness is not as good as titanium dioxide. Therefore, vacuum plating is applied to the inner layer 2 first. A layer of aluminum film, the titanium dioxide is more easily covered by the aluminum film than the colored inner layer material 1, so that with the structure of the embodiment, the outer layer material 1 can be both thin and white.
  • the surface of the outer layer material 1 of the above-mentioned anti-counterfeit fiber is further coated with a fluorescent whitening material, or is dyed into the outer layer material 1, or is contained in each layer of the anti-counterfeit fiber, including fluorescence during spinning.
  • the white agent is directly added to the spinning material, and the fiber can also be directly dyed with the fluorescent whitening dye. This enhances the covering effect of the outer layer material 1 on the inner layer material 2 and has no effect on the visible light in the daylight passing through the outer layer material 1, thereby increasing the penetrating ability of the inner layer material 2 when the light is observed.
  • the inner layer material 1 may have at least two color segments having a distinct visual difference along the length of the fiber, for example, a color segment transparent red, and another color segment being transparent blue or black.
  • the above-mentioned anti-counterfeit fiber is cut into 5mm randomly distributed in paper, and can also be wound into a long wire to make a security thread.
  • the existing security thread anti-counterfeiting paper is used to make a full-buried security thread security paper or window opening. Security thread security paper.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Paper (AREA)
  • Multicomponent Fibers (AREA)

Abstract

L'invention concerne une fibre anti-falsification et un papier anti-falsification contenant la fibre anti-falsification. La fibre anti-falsification est constituée d'au moins deux matériaux, à savoir un matériau de couche extérieure (1) et un matériau de couche intérieure (2). Le matériau de couche intérieure (2) est recouvert par le matériau de couche extérieure (1). Le matériau de couche extérieure (1) est de couleur A, et le matériau de couche intérieure (2) est de couleur B. La couleur A présente une différence visuelle distincte par rapport à la couleur B. En outre, après l'introduction de la fibre anti-falsification dans la pâte à papier, la couleur de ladite fibre anti-falsification dans ladite pâte à papier, quand on la regarde à la lumière réfléchie, présente une différence visuelle distincte par rapport à la couleur regardée par transparence.
PCT/CN2008/070058 2007-01-09 2008-01-09 Fibre anti-falsification et papier anti-falsification contenant ladite fibre anti-falsification WO2008083626A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200710004563 2007-01-09
CN200710004563.8 2007-01-09

Publications (1)

Publication Number Publication Date
WO2008083626A1 true WO2008083626A1 (fr) 2008-07-17

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PCT/CN2008/070058 WO2008083626A1 (fr) 2007-01-09 2008-01-09 Fibre anti-falsification et papier anti-falsification contenant ladite fibre anti-falsification

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CN (1) CN101220571A (fr)
WO (1) WO2008083626A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2590538C2 (ru) * 2011-01-11 2016-07-10 Шанхай Кос Секьюрити Пэйпэ Текнолоджи Ко., Лтд Защитное волокно, защищенная от подделывания бумага, содержащая защитное волокно, и способ их изготовления
CN112895755A (zh) * 2021-01-14 2021-06-04 广东金冠科技股份有限公司 一种防伪材料及制造方法

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104005307A (zh) * 2013-02-25 2014-08-27 孙显林 一种防伪纤维纸
CN104099801A (zh) * 2013-04-10 2014-10-15 孙显林 一种防伪纤维及含有该防伪纤维的防伪纸
CN107798993B (zh) * 2016-09-02 2021-09-28 北京柯斯元科技有限公司 一种用于随机纹理防伪的纤维及其随机纹理防伪标识
US20200048794A1 (en) * 2017-02-15 2020-02-13 Ecco Sko A/S Method and apparatus for manufacturing a staple fiber based on natural protein fiber, a raw wool based on the staple fiber, a fibrous yarn made of the staple fiber, a non-woven material made of the staple fiber and an item comprising the staple fiber.

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4473617A (en) * 1981-01-15 1984-09-25 Akzo Nv Synthetical technical multifilament yarn and a process for the manufacture thereof
US4756557A (en) * 1984-12-21 1988-07-12 G.A.O. Gesellschaft Fuer Automation Und Organisation Mbh Security document having a security thread embedded therein and methods for producing and testing the authenticity of the security document
DE19809085A1 (de) * 1998-02-25 1999-08-26 Paugstadt Optisches Sicherheitsmerkmal und Verfahren zu dessen Herstellung
CN1763311A (zh) * 2004-10-22 2006-04-26 中国印钞造币总公司 一种复合防伪纤维
CN1861903A (zh) * 2005-05-13 2006-11-15 海南亚元防伪纸业有限公司 分层纤维防伪纸

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4473617A (en) * 1981-01-15 1984-09-25 Akzo Nv Synthetical technical multifilament yarn and a process for the manufacture thereof
US4756557A (en) * 1984-12-21 1988-07-12 G.A.O. Gesellschaft Fuer Automation Und Organisation Mbh Security document having a security thread embedded therein and methods for producing and testing the authenticity of the security document
DE19809085A1 (de) * 1998-02-25 1999-08-26 Paugstadt Optisches Sicherheitsmerkmal und Verfahren zu dessen Herstellung
CN1763311A (zh) * 2004-10-22 2006-04-26 中国印钞造币总公司 一种复合防伪纤维
CN1861903A (zh) * 2005-05-13 2006-11-15 海南亚元防伪纸业有限公司 分层纤维防伪纸

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2590538C2 (ru) * 2011-01-11 2016-07-10 Шанхай Кос Секьюрити Пэйпэ Текнолоджи Ко., Лтд Защитное волокно, защищенная от подделывания бумага, содержащая защитное волокно, и способ их изготовления
CN112895755A (zh) * 2021-01-14 2021-06-04 广东金冠科技股份有限公司 一种防伪材料及制造方法

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