CN104693896A - Anti-counterfeiting ink composition applicable to judicial expertise - Google Patents

Abstract

The invention discloses an anti-counterfeiting ink composition applicable to judicial expertise. The anti-counterfeiting ink composition is characterized by comprising X-ray absorbing materials. The anti-counterfeiting ink composition is applicable to bank notes, security, bill and goods labels and has the advantages that the anti-counterfeiting printed tickets can be applicable to man-machine quick detection; the anti-counterfeiting features cannot be copied by a scanner or a duplicating machine and can be detected with special instruments; the anti-counterfeiting features are hidden well, and the anti-counterfeiting level is high; the anti-counterfeiting ink composition is high in moisture resistance, heat resistance, acid resistance, alkali resistance, and soap fastness.

Description

Can be used for the anti-forgery ink composition of judicial expertise

Technical field

The present invention relates to a kind of anti-forgery ink composition.

Background technology

At present, near infrared absorption anti-counterfeiting ink, as a kind of counterfeit protection measures, obtains popularization, and has been widely used in the false proof of card ticket certificate.Chinese patent CN 103242708 A discloses a kind of at 850-1250nm wide band near infrared absorption ink, the antifalse effect shown.

But the application of near infrared absorption anti-counterfeiting ink, exists and much limit to, as material easily obtains, detecting instrument equipment is simple, and anti-counterfeiting characteristic disguise is bad, and false proof rank is low.

Summary of the invention

The object of this invention is to provide a kind of anti-forgery ink composition that can be used for judicial expertise, to overcome the defect that prior art exists.

Described a kind of anti-forgery ink composition that can be used for judicial expertise, with the total weight of described anti-forgery ink composition, containing X-ray absorbing material, percent mass score 10 ~ 50%, preferably 20 ~ 30%;

Described X-ray absorbing material is that a class has strong absorbefacient material to X-ray, and X-ray absorbing material is a material that class density is large, effective atomic number is high, and its density is at least greater than 4g/cm ³, its effective atomic number is at least greater than 17;

Preferably, described X-ray absorbing material is BaSO ₄, Fe ₂o ₃, Fe ₃o ₄or Gd ₂o ₃deng;

Preferably, the described anti-forgery ink composition that can be used for judicial expertise, also comprises resin, solvent, vegetables oil, pigment and auxiliary agent;

Preferably, the described anti-forgery ink composition that can be used for judicial expertise, comprises the component of following percent mass score:

Preferably, the described anti-forgery ink composition that can be used for judicial expertise, comprises the component of following percent mass score:

Described resin be selected from resol, rosin modified phenolic resin, Synolac, urethane resin, epoxy resin, polyamide resin, rubber resin, unsaturated polyester resin, vinylformic acid and derivatives resin thereof or cellulose nitrate ester and fiber derivative etc. more than one;

Described solvent selected from ethanol, n-propyl alcohol, Virahol, phenylethyl alcohol, butanols, ethylene glycol, polyoxyethylene glycol, 1,2-propylene glycol, 1,2-butyleneglycol, glycol ether, diethylene glycol ether, ethyl acetate, butylacetate, n-propyl acetate, isopropyl acetate, dimethylbenzene, silicone oil, aliphatic solvents, high-boiling point kerosene, 200# solvent oil, 210# Dormant oils, water, phthalic acid dibutyl ester, dioctyl phthalate, methyl linoleate, ethyl linoleate, one or more in eleostearic acid methyl esters etc.;

Described vegetables oil be preferably that oleum lini, tung oil, synourin oil, perilla oil, Chinese catalpa oil, soya-bean oil, sunflower seed oil, raisin seed oil, Viscotrol C, Yatall MA, above-mentioned vegetables oil refine in the stand oil (as 4# stand linseed oil, 6# stand linseed oil, boiled wood oil etc.) or above-mentioned vegetable oil acid obtained through high temperature one or more;

Described auxiliary agent, comprises one or more in wax, weighting agent, siccative, tensio-active agent, flow agent, defoamer or dispersion agent;

Described wax is selected from carnauba wax, polyethylene wax, oxidized polyethlene wax or Microcrystalline Wax;

Weighting agent is selected from calcium carbonate, barium sulfate, aerosil or kaolin;

Siccative is selected from naphthoic acid, naphthenic acid or sad cobalt, manganese, zirconium, cerium salt and manganese borate;

Tensio-active agent is selected from Witco 1298 Soft Acid, stearic acid or glycerin fatty acid ester;

Flow agent is selected from polyether-modified polydimethylsiloxane, fluorine-carbon modified polyacrylate solution, alkylbenzene modified dimethyl polysiloxane;

Defoamer is selected from polysiloxane, polydimethylsiloxane, tributyl phosphate, polyether-modified silicon;

Dispersion agent is selected from unsaturated polyprotonic acid polymkeric substance, acrylic block copolymers and based on the acid amides of long chain polyester and sub-acid amides;

Described pigment is selected from organic yellow, yellow 10G, benzidine yellow G, permanent yellow 2G, permanent yellow RN, one or more forever admittedly in orange G, sun-proof vermilion R, permanent bordeaux F4R, FBB permanent bordeaux, forever solid purplish red F2R, forever solid pink FR, lithol red BK directions, the former 2R of sun-proof bright blue, Phthalocyanine Blue BGS, sun-proof light green 3605, Phthalocyanine Green G, pigment green B.

The described anti-forgery ink composition that can be used for judicial expertise is flexographic ink, letterpress printing ink or plate engraving ink;

The described anti-forgery ink composition that can be used for judicial expertise, can be used alone, and also can use with X-ray non-absorbing ink combination; During use, the pattern that X-ray absorbs ink printing can be hidden in below X-ray non-absorbing ink, absorb in imaging system in X-ray and only show the pattern that X-ray absorbs imaging ink printing, the pattern of X-ray non-absorbing ink printing does not manifest, to reach false proof effect.

For detecting the described equipment that can be used for the anti-forgery ink composition of judicial expertise, mainly comprising X-ray generation systems, intensifying screen, Visible imaging system and other auxiliary electronic system etc., being conventional equipment;

The described anti-forgery ink composition that can be used for judicial expertise, can be applied to banknote, security, bill, Commercial goods labels.

The advantage that can be used for the anti-forgery ink composition of judicial expertise of the present invention:

This false proof printed ticket can adapt to man-machine rapid detection, this anti-counterfeiting characteristic can not be copied by scanning machine, duplicating machine etc., this anti-counterfeiting characteristic need detect by specific plant and instrument, anti-counterfeiting characteristic good concealment, false proof rank is high, and this anti-forgery ink has good moisture-proof, heat-resisting, acidproof, alkaline-resisting, soap fastness.

Accompanying drawing explanation

Fig. 1 X-ray non-absorbing is matched the X-ray of ink printing and is absorbed image with absorbing.

Specific implementation method

Embodiment 1

Flexographic ink: (mass percent)

In charging basket, be weighed into the material of aforementioned proportion, adopt stirrer to mix 30 minutes, three-roll grinder carries out be ground to after Product checking reaches flexographic ink utilisation technology index, be excitation of X-rays luminous graving gravure ink.

To be ink match the X-ray of ink printing in X-ray non-absorbing and absorb image with absorbing Fig. 1.Wherein, (a) under daylight, (b) absorbs under imaging system for X-ray.

Embodiment 2

Engraving intaglio printing ink: (mass percent)

In charging basket, be weighed into the material of aforementioned proportion, employing stirrer mixes 30 minutes, three-roll grinder carries out be ground to after Product checking reaches engraving intaglio printing ink utilisation technology index being excitation of X-rays luminous graving gravure ink.

Embodiment 3

Prepared by UV silk-screen ink:

In charging basket, be weighed into the material of aforementioned proportion, adopt stirrer to mix 30 minutes, after 100 object screen filtrations, product is UV and solidifies the luminous silk-screen ink of blue excitation of X-rays after reaching silk-screen ink utilisation technology index after testing.

Claims (10)

1. can be used for the anti-forgery ink composition of judicial expertise, it is characterized in that, containing X-ray absorbing material.

2. the anti-forgery ink composition that can be used for judicial expertise according to claim 1, is characterized in that, with the total weight of described anti-forgery ink composition, the mass percent of X-ray absorbing material is divided into 10 ~ 50%.

3. the anti-forgery ink composition that can be used for judicial expertise according to claim 1, is characterized in that, with the total weight of described anti-forgery ink composition, the mass percent of X-ray absorbing material is divided into 20 ~ 30%.

4. the anti-forgery ink composition that can be used for judicial expertise according to any one of claims 1 to 3, it is characterized in that, described X-ray absorbing material is that a class has strong absorbefacient material to X-ray, X-ray absorbing material is a material that class density is large, effective atomic number is high, and its density is at least greater than 4g/cm ³, its effective atomic number is at least greater than 17.

5. the anti-forgery ink composition that can be used for judicial expertise according to claim 4, is characterized in that, described X-ray absorbing material is BaSO ₄, Fe ₂o ₃, Fe ₃o ₄or Gd ₂o ₃deng.

6. the anti-forgery ink composition that can be used for judicial expertise according to claim 4, is characterized in that, the described anti-forgery ink composition that can be used for judicial expertise, also comprises resin, solvent, vegetables oil, pigment and auxiliary agent.

7. can be used for the anti-forgery ink composition of judicial expertise, it is characterized in that, comprise the component of following percent mass score:

8. the anti-forgery ink composition that can be used for judicial expertise according to claim 7, is characterized in that, comprises the component of following percent mass score:

9. can be used for the anti-forgery ink composition of judicial expertise according to claim 7 or 8, it is characterized in that, described X-ray absorbing material is BaSO ₄, Fe ₂o ₃, Fe ₃o ₄or Gd ₂o ₃deng.

10. the anti-forgery ink composition that can be used for judicial expertise according to claim 9, it is characterized in that, described resin be selected from resol, rosin modified phenolic resin, Synolac, urethane resin, epoxy resin, polyamide resin, rubber resin, unsaturated polyester resin, vinylformic acid and derivatives resin thereof or cellulose nitrate ester and fiber derivative more than one;

Described solvent selected from ethanol, n-propyl alcohol, Virahol, phenylethyl alcohol, butanols, ethylene glycol, polyoxyethylene glycol, 1,2-propylene glycol, 1,2-butyleneglycol, glycol ether, diethylene glycol ether, ethyl acetate, butylacetate, n-propyl acetate, isopropyl acetate, dimethylbenzene, silicone oil, aliphatic solvents, high-boiling point kerosene, 200# solvent oil, 210# Dormant oils, water, phthalic acid dibutyl ester, dioctyl phthalate, methyl linoleate, ethyl linoleate, one or more in eleostearic acid methyl esters;

Described vegetables oil be preferably that oleum lini, tung oil, synourin oil, perilla oil, Chinese catalpa oil, soya-bean oil, sunflower seed oil, raisin seed oil, Viscotrol C, Yatall MA, above-mentioned vegetables oil refine in the stand oil (as 4# stand linseed oil, 6# stand linseed oil, boiled wood oil etc.) or above-mentioned vegetable oil acid obtained through high temperature one or more;

Described auxiliary agent, comprises one or more in wax, weighting agent, siccative, tensio-active agent, flow agent, defoamer or dispersion agent;

Described wax is selected from carnauba wax, polyethylene wax, oxidized polyethlene wax or Microcrystalline Wax;

Weighting agent is selected from calcium carbonate, barium sulfate, aerosil or kaolin;

Siccative is selected from naphthoic acid, naphthenic acid or sad cobalt, manganese, zirconium, cerium salt and manganese borate;

Tensio-active agent is selected from Witco 1298 Soft Acid, stearic acid or glycerin fatty acid ester;

Flow agent is selected from polyether-modified polydimethylsiloxane, fluorine-carbon modified polyacrylate solution, alkylbenzene modified dimethyl polysiloxane;

Defoamer is selected from polysiloxane, polydimethylsiloxane, tributyl phosphate, polyether-modified silicon;

Dispersion agent is selected from unsaturated polyprotonic acid polymkeric substance, acrylic block copolymers and based on the acid amides of long chain polyester and sub-acid amides;

Described pigment is selected from organic yellow, yellow 10G, benzidine yellow G, permanent yellow 2G, permanent yellow RN, one or more forever admittedly in orange G, sun-proof vermilion R, permanent bordeaux F4R, FBB permanent bordeaux, forever solid purplish red F2R, forever solid pink FR, lithol red BK directions, the former 2R of sun-proof bright blue, Phthalocyanine Blue BGS, sun-proof light green 3605, Phthalocyanine Green G, pigment green B.