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Lanthanum-trioxide-containing dual-wavelength light-absorption aquosity anti-forgery ink easer preparation technology

A technology of lanthanum trioxide and anti-counterfeiting ink, which can be used in inks, household utensils, applications, etc., and can solve the problem of low anti-counterfeiting ability

Inactive Publication Date: 2015-04-22
SHAANXI UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, optical anti-counterfeiting inks in securities printing are mainly ultraviolet anti-counterfeiting inks, which are widely used in the market, but the problem is that their anti-counterfeiting capabilities are low and easy to be imitated; in order to meet the anti-counterfeiting needs of the market, it is urgent to develop new anti-counterfeiting technology

Method used

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  • Lanthanum-trioxide-containing dual-wavelength light-absorption aquosity anti-forgery ink easer preparation technology
  • Lanthanum-trioxide-containing dual-wavelength light-absorption aquosity anti-forgery ink easer preparation technology
  • Lanthanum-trioxide-containing dual-wavelength light-absorption aquosity anti-forgery ink easer preparation technology

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0109] 1) Put 4g of lanthanum trioxide with a particle size of 80-200nm in 100g of deionized water, then add 0.30g of Tween 60, and then ultrasonically disperse the resulting mixed system at room temperature for 120min to obtain nano Lanthanum trioxide solution;

[0110] 2) Mix 10g of polystyrenesulfonic acid-doped polyethylenedioxythiophene solution with a solid content of 1.3-1.7% and 10g of deionized water, then add 0.02g of sodium dodecylsulfonate, and then Use ultrasonic dispersion at 20°C for 80 minutes to obtain solution A;

[0111] 3) Mix the nano-lanthanum trioxide solution with the solution A at a mass ratio of 1:1 to obtain a mixed solution B; then heat the mixed solution B to 40°C, and then add ethylene glycol to the mixed solution B under high-speed stirring And montmorillonite with a particle size of 200-1000nm, reacted for 60 minutes, and finally obtained a dual-wavelength light-absorbing anti-counterfeiting ink additive containing dilanthanum trioxide; wherein...

Embodiment 2

[0113] 1) Put 4g of lanthanum trioxide with a particle size of 80-200nm in 100g of deionized water, then add 0.30g of polyoxyethylene anhydrous xylitol monostearate and glycerol monopalmitate, and then Ultrasonic disperse the mixed system obtained by using an ultrasonic cleaner for 120 minutes to obtain a nano-lanthanum trioxide solution;

[0114] 2) Mix 10g of polystyrenesulfonic acid-doped polyethylenedioxythiophene solution with a solid content of 1.3-1.7% and 10g of deionized water, then add 0.02g of sodium dodecylsulfonate, and then Solution A was obtained by ultrasonic dispersion at 20°C for 60 minutes;

[0115] 3) Mix the nano-lanthanum trioxide solution with the solution A at a mass ratio of 1:1 to obtain a mixed solution B; then heat the mixed solution B to 40°C, and then add ethylene glycol to the mixed solution B under high-speed stirring And montmorillonite with a particle size of 200-1000nm, reacted for 60 minutes, and finally obtained a dual-wavelength light-abs...

Embodiment 3

[0117] 1) Put 4g of lanthanum trioxide with a particle size of 80-200nm in 100g of deionized water, then add 0.30g of lactic acid glycerol monofatty acid ester and lactic acid glyceryl diglyceride, and use ultrasonic waves at room temperature. The mixed system was ultrasonically dispersed for 120 minutes to obtain a nano-lanthanum trioxide solution;

[0118] 2) Mix 10g of polystyrenesulfonic acid-doped polyethylenedioxythiophene solution with a solid content of 1.3-1.7% and 10g of deionized water, add 0.02g of sodium dodecylsulfonate, and then Solution A was obtained by ultrasonic dispersion at 20°C for 40 minutes;

[0119] 3) Mix the nano-lanthanum trioxide solution with the solution A at a mass ratio of 1:1 to obtain a mixed solution B; then heat the mixed solution B to 40°C, and then add ethylene glycol to the mixed solution B under high-speed stirring And montmorillonite with a particle size of 200-1000nm, reacted for 60 minutes, and finally obtained a dual-wavelength lig...

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Abstract

The invention provides a lanthanum-trioxide-containing dual-wavelength light-absorption aquosity anti-forgery ink easer preparation technology. Nanometer lanthanum trioxide, deionized water and surfactants are dispersed to be even in an ultrasonic mode, and nanometer lanthanum trioxide solution is obtained. PEDOT solution with solid content of 1.3-1.7% and mixed with polystyrolsulfon acid is mixed with the deionized water, then anion surfactants are added, evenness is achieved through ultrasonic dispersion, and solution A is obtained. The nanometer lanthanum trioxide solution is mixed with the solution A to obtain mixed solution B. The mixed solution B is heated to 40-70 DEG C, alcohol solvents and powder with the diameter of 200-1000 nm are added in the mixed solution B after stirring, reaction is carried out for 40-60 minutes, and finally lanthanum-trioxide-containing dual-wavelength light-absorption aquosity anti-forgery ink easer is obtained. The anti-forgery ink easer has an absorption function in an infrared band of 1000-1200 nm and an ultraviolet band of 300-340 nm, and can be used as aquosity anti-forgery ink easer.

Description

technical field [0001] The invention relates to a preparation process of an anti-counterfeiting ink additive, in particular to a preparation process of a dual-wavelength light-absorbing water-based anti-counterfeiting ink additive containing dilanthanum trioxide. Background technique [0002] Anti-counterfeiting inks are widely used in the printing industry, and optical anti-counterfeiting inks are an important part of anti-counterfeiting inks. At present, optical anti-counterfeiting inks in securities printing are mainly ultraviolet anti-counterfeiting inks, which are widely used in the market, but the problem is that their anti-counterfeiting capabilities are low and easy to be imitated; in order to meet the anti-counterfeiting needs of the market, it is urgent to develop new anti-counterfeiting technology. Contents of the invention [0003] Aiming at the above deficiencies, the present invention provides a preparation process of a dual-wavelength light-absorbing water-...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D11/03C09D11/50
Inventor 刘保健杨强黄凤萍尹大伟高玉刚杨辉李爽郭家宏江勇刁森森邓莉刘欢
Owner SHAANXI UNIV OF SCI & TECH
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