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Friction color changing infrared hidden anti-fake ink

A technology of anti-counterfeiting ink and rubbing discoloration, applied in ink, household appliances, applications, etc., can solve the problem of single anti-counterfeiting effect of ink, and achieve the effect of improving anti-counterfeiting means, obvious anti-counterfeiting features, and easy for the public to identify.

Inactive Publication Date: 2004-09-29
CHINA BANKNOTE PRINTING & MINTING
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  • Summary
  • Abstract
  • Description
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Problems solved by technology

[0003] The invention solves the technical problem of single anti-counterfeiting effect of ink in the background technology

Method used

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Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment

[0047] Recipe 1: Link 1 23%, Link 2 20%, Link 3 10%,

[0048] 20% pigments, 20% fillers, 7% additives.

[0049] Recipe 2: Link 1 28%, Link 2 15%, Link 3 10%,

[0050] 25% pigments, 20% fillers, 7% additives.

[0051] Recipe 3: Link 1 23%, Link 2 25%, Link 3 12%,

[0052] 15% pigments, 18% fillers, 7% additives.

[0053] The printing and anti-counterfeiting characteristics of the formula of the present invention: high-speed offset printing machine 10,000 sheets / hour speed printing, smooth lines, full dots, no paste, no ink accumulation, no dry plate. The dry product turns red under external friction, and the printed graphics and texts disappear under the conditions of 800-1400nm infrared detection, realizing stealth. The ink of the present invention can be tribochromatic infrared invisible anti-counterfeiting ink, that is, it has anti-counterfeiting features under the conditions of visible light and infrared light. After adding materials such as ultraviolet phosphor or magne...

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PUM

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Abstract

The infrared hidden anti-fake print ink capable of changing color in rubbing consists of pigment, binding material, stuffing and assistants. The pigment has the property of change color in rubbing and absorbing infrared completely; the binding material includes phenolic resin as the component 1, vegetable oil modified alkyd resin as the component 2 and gel type binding material as the component 3; and the assistants include anti-stick agent, drying agent and rheological assistant. The present invention solves the technological problem of making print ink possess several anti-fake effects, and the print ink has obvious anti-fake effect.

Description

technical field [0001] The invention relates to an anti-counterfeit ink used for printed matter, in particular to a frictional discoloration infrared invisible anti-counterfeit ink. Background technique [0002] At present, ink with a single anti-counterfeiting function can no longer meet the requirements of modern anti-counterfeiting. If multiple anti-counterfeiting is required, multiple printings are required, and the production cost is high; the anti-counterfeiting feature is not obvious, or it is easy to imitate, or it is not easy for the public to identify. Contents of the invention [0003] The invention solves the technical problem of single anti-counterfeiting effect of the ink in the background technology. [0004] Technical solution of the present invention is: [0005] A tribochromatic infrared invisible anti-counterfeiting ink, including pigments, linking materials, fillers and additives, the special feature is: the pigment is a pigment with frictional reactio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/50
Inventor 冯文陈勇高东夏春马明东赵立军柴立新
Owner CHINA BANKNOTE PRINTING & MINTING
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