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Multi-band machine-readable fluorescent anti-counterfeiting ink composition and its application

An anti-counterfeit ink and multi-band technology, which is applied in the direction of ink, application, household appliances, etc., can solve the problems of increasing the cost of the instrument and the difficulty of production

Active Publication Date: 2017-11-14
CHINA BANKNOTE INK +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The patent is based on the principle of the integral area ratio of two spectral peaks. Since the positions of the two spectral peaks are close, a band-pass filter is required to separate the peak positions, which increases the cost of the instrument and the difficulty of production.

Method used

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  • Multi-band machine-readable fluorescent anti-counterfeiting ink composition and its application
  • Multi-band machine-readable fluorescent anti-counterfeiting ink composition and its application
  • Multi-band machine-readable fluorescent anti-counterfeiting ink composition and its application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] Weight percentage of offset printing ink:

[0048]

[0049] in:

[0050] The optical characteristic material is YVO 4 :0.1Ce,0.01Nd;

[0051] The linking material, based on the total weight of the linking material, consists of the following components in weight percentage:

[0052] (a) Resin 56%

[0053] (b) Solvent 4%

[0054] (c) Vegetable oil 40%

[0055] in:

[0056] (a) The resin is a rosin-modified phenolic resin, which can be prepared by the technology disclosed in the patent of "Rosin-modified phenolic resin and its preparation method" (publication number: CN103865019A, publication date: June 18, 2014);

[0057] (b) The solvent is 210# mineral oil;

[0058] (c) The vegetable oil is linseed oil

[0059] The pigment is permanent yellow 2G;

[0060] The auxiliary agent is carnauba wax;

[0061] Put the above-mentioned ink raw materials into a container, use a stirring device to stir evenly to a paste dispersion, and use an ink pad to roll the dispersio...

Embodiment 2

[0064] Photocurable screen ink weight percent:

[0065] Optical properties material 0.1%

[0066] Binder 92%

[0067] Auxiliary 7.9%

[0068] in:

[0069] The optical characteristic material is YAP: 0.2Ce, 0.002Yb, 0.05Nd, 0.2Er;

[0070] The linking material is composed of the following components by weight fraction:

[0071] (a):(b):(c):(d)=18:3:6:65=6:1:2:22;

[0072] in:

[0073] (a) is polyurethane acrylate resin (ALLNEX EBECRYL 8402)

[0074] (b) is epoxy acrylate resin (ALLNEX company EBECRYL 650)

[0075] (c) is methacrylic resin (ALLNEX EBECRYL 168)

[0076] (d) Ethoxy ethyl propionate (ALLNEX EBECRYL 110)

[0077] The auxiliary agent is a mixture of silicon dioxide (Cabot company M-5), polysiloxane (Huaxia auxiliary agent HX-2086) and benzoylphenyl phosphite (BASF Lucirin TPO-L), and the weight ratio is:

[0078] Silicon oxide: polysiloxane: benzoyl phenyl phosphite = 2: 0.9: 5 = 1: 4.5: 2.5;

[0079] Put the above-mentioned ink raw materials into a contai...

Embodiment 3

[0081] Embossed ink composition weight percent:

[0082]

[0083] in:

[0084] The optical characteristic material is YAG: 0.05Ce, 0.05Yb, 0.05Er;

[0085] The linking material, based on the total weight of the linking material, consists of the following components in weight percentage:

[0086] (a) Resin 48%

[0087] (b) Vegetable oil 52%

[0088] in:

[0089] (a) The resin is an alkylphenol phenolic resin, which can be prepared by using the technology disclosed in the patent of "thermoplastic mixed alkylphenol phenolic resin for ink and its preparation method" (publication number: CN101597363B, publication date: June 01, 2011);

[0090] (b) vegetable oil is linoleum;

[0091] The pigment is fast yellow;

[0092] The auxiliary agent is carnauba wax;

[0093] Put the above-mentioned ink raw materials into a container, use a stirring device to stir evenly to a paste-like dispersion, and use an ink pad to roll the dispersion to obtain an anti-counterfeiting ink composi...

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PUM

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Abstract

The invention discloses a multi-band machine-readable fluorescent anti-forgery ink composition and an application thereof. The multi-band machine-readable fluorescent anti-forgery ink composition comprises 0.1-40 wt% of optical characteristic materials, 1-95 wt% of vehicles, 0-30 wt% of pigment and 0-70 wt% of auxiliaries. According to the multi-band machine-readable fluorescent anti-forgery ink composition, the optical characteristic of simultaneously emitting visible light and infrared light under the blue light excitation is achieved, and the anti-forgery characteristic can be read by virtue of a special recognition instrument; by regulating the proportion and varieties of rare earth ions in optical characteristic materials, the luminous intensity ratio of ink in a visible light area and an infrared light area and the luminous peak position of the infrared light area can be regulated, and therefore multi-band machine-readable fluorescent forgery prevention can be achieved. The optical characteristic materials adopt a compound with the following structural general formula: S:x Ce<3+>, y IR.

Description

technical field [0001] The invention relates to a machine-readable fluorescent anti-counterfeit ink composition, more specifically, the invention relates to a machine-readable fluorescent anti-counterfeit ink which simultaneously emits visible light and infrared light under the excitation of blue light. Background technique [0002] Improving anti-counterfeiting technology is an effective means to prevent counterfeit securities and counterfeit products from flooding. Machine-readable anti-counterfeiting is an anti-counterfeiting technology that uses special equipment to identify anti-counterfeiting labels. Since the special ink markers with machine-readable properties can be used exclusively for special use and have certain confidentiality, it can effectively prevent counterfeiting. [0003] Germany's Giesecke&Devrient GmbH and France's BANQUE DE FRANCE jointly applied for the European invention "valuable document with luminous properties" (publication number: EP1632908A1, p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D11/50C09D11/03
Inventor 邵光胜刘卫东张世范马永胜袁国林
Owner CHINA BANKNOTE INK
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