CN103628358A - Double-color-line anti-counterfeiting paper and production method thereof - Google Patents
Double-color-line anti-counterfeiting paper and production method thereof Download PDFInfo
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Abstract
The invention provides double-color-line anti-counterfeiting paper and a production method thereof. According to the invention, a chromophoric material and a chromogenic material are added on raw paper; under normal circumstances, the chromophoric material and the chromogenic material are colorless chromophoric substances, one of the materials is wrapped by a microcapsule, and the other is ground. After slight scribing and friction of the paper, an electron donor substance in the chromogenic material and the chromophoric material which is granular after grinding fuse immediately by using generated tiny heat and undergo a chemical reaction so as to generate a color; after forceful scribing of the paper, the microcapsule containing another chromophoric material breaks, and the chromophoric material flows out and chemically reacts with the electron donor substance in the chromogenic material so as to generate another color; thus, two different color lines are generated on the paper through application of different scribing forces, thereby achieving an anti-counterfeiting purpose. The production method provided by the invention is easy and convenient; a discriminating means is simple; special physical conditions are not needed for discrimination, and hard substances like a finger are sufficient for completion of anti-counterfeiting authentication.
Description
Technical field
The present invention relates to a kind of Double-colour horn wire cheque paper and production method.Belong to anti-forge paper and production technical field thereof.
Background technology
Because the personation levels such as invoice, voucher improve increasingly, forge quantity increasing, increasing by personation and the economic loss of bringing of poor quality and social influence, market an urgent demand can disclose by the true and false of anti-object fast, easily and accurately.In existing anti-forge paper and technology, owing to being subject to the restriction of material property, industry protection, manufacturing technique and method, application cost etc., particularly anti-forge paper traditional, single anti-counterfeiting characteristic and technology have been difficult to meet current demand.
In false proof field, the patent that relates to anti-counterfeiting technology, cheque paper is numerous.If the patent of invention that our company's application number is ZL200410027088.2 relates to and adds a certain amount of anti-false fiber give no carbon paper false proof effect in carbonless copy base paper; Application number is that the patent of invention of ZL200710027832 relates in CF coating and adds false proof particle, gives no carbon paper false proof effect.In addition also have other home and abroad patent to relate to cheque paper, comprise by having prepared the cheque paper with anti-counterfeit capability by inversion change material at base paper surface spraying one deck, according to different temperature, can demonstrate different colors, played good antifalse effect, can be widely used in printing, the industries such as packing; By manufacturing paper with pulp into a kind of anti-forge paper with hot melt character with meldable fibre adding a certain amount of fluorescent fiber in slurry, played antifalse effect; By design dominant region and recessive region on body paper, by color-change ink or liquid-crystal ink, print dominant region, by light regression, print stealthy region, according to this, prepare record thing and label paper has good antifalse effect; By add fluorescer in fiber, prepare fiber, according to this fiber, prepare paper and there is good antifalse effect; By add colouring agent in Cypres, the paper of preparation can manifest different colors along with the variation of hypochlorite solutions concentration, thereby has played good antifalse effect.
Above paper false proof technology all only has single anti-counterfeiting characteristic, conventionally need to by light, heat,, the effect of magnetic, chemical reagent etc. manifests certain feature, some technology is higher to the requirement of paper in addition, a kind of additional specific physical condition and special tool(s) of not needing expected in market, and utilization and easy method thereof just can show the cheque paper of anti-counterfeiting characteristic.
Summary of the invention
One of object of the present invention, be for overcome prior art cheque paper need to by light, heat,, the effect of magnetic, chemical reagent etc. manifests certain characteristics defect, and a kind of Double-colour horn wire cheque paper is provided.
Two of object of the present invention, be for a kind of production method of Double-colour horn wire cheque paper is provided, adopt the cheque paper of the method production not by any special tool(s), only need to it, apply different pressures by sharp objects such as fingers, can demonstrate different colours, realize the object of discerning the false from the genuine fast.
In order to realize one of foregoing invention object, the present invention adopts following technical scheme:
A kind of Double-colour horn wire cheque paper, comprise body paper and be coated in the anti-counterfeit paint layer that base paper sheet face comprises chromonic materials and colour development material, it is characterized in that: described chromonic materials is comprised of microcapsules chromonic materials and particle chromonic materials, wherein the proportioning of microcapsules chromonic materials, graininess chromonic materials, colour development material is respectively 5～20 parts, 5～15 parts, 10～30 parts by parts by mass, filler, adhesive, defoamer, wetting agent and the water of all the other components for adding in proportion; The anti-counterfeit paint layer consisting of described chromonic materials and colour development material manifests different colours under the effect of different pressures.
Further, described chromonic materials is selected from 2-phenylamino-3-methyl-6-dibutylamino fluorane, 3-N-isopentyl-N-ethylamino-6-methyl-7-anilinfluorane, 3,3-bis-(1-octyl group-2-first indol-3-yl) phthalide, 3-lignocaine-7-(hexichol methylamino) fluorane, 3, two (4-the dimethylamino phenyl)-6-dimethylamino phthalides of 3-, 3-lignocaine-6, any one or any two or more combination in 8-dimethyl fluorane.
Further, described microcapsules chromonic materials particle diameter is 1～10um.
Further, described particle chromonic materials obtains through milled processed, and particle diameter is 0.2～1.0um.
Further, described colour development material is hotness chromonic materials, and its fusing point is 100 ℃～180 ℃.
In order to realize two of foregoing invention object, the technical solution adopted in the present invention is:
A production method for Double-colour horn wire cheque paper, is characterized in that comprising the following steps:
1) a kind of chromonic materials is carried out to microencapsulation parcel, make microcapsules chromonic materials;
2) chromonic materials is used grinder carry out milled processed for graininess, this chromonic materials manifests the color different from chromonic materials in step 1) under the effect of colour development material;
3) the microcapsules chromonic materials and the step 2 that in proportion step 1) are obtained) the graininess chromonic materials that obtains mixes, then add in proportion colour development material, add again appropriate filler, adhesive, defoamer, wetting agent and water, be mixed with anti-counterfeit paint standby;
4) paper for surface sizing or coating stage in process of production, after the above-mentioned anti-counterfeit paint preparing is joined and is mixed in sizing material or in coating medium, carry out again paper for surface sizing or coating, at paper surface, form security coating, wherein the proportioning of anti-counterfeit paint and sizing material or coating medium is counted 1～10:100 by parts by mass.
Further, described chromonic materials is selected from 2-phenylamino-3-methyl-6-dibutylamino fluorane, 3-N-isopentyl-N-ethylamino-6-methyl-7-anilinfluorane, 3,3-bis-(1-octyl group-2-first indol-3-yl) phthalide, 3-lignocaine-7-(hexichol methylamino) fluorane, 3, two (4-the dimethylamino phenyl)-6-dimethylamino phthalides of 3-, 3-lignocaine-6, any one or any two or more in 8-dimethyl fluorane.
Further, while preparing microcapsules chromonic materials, adopt the microcapsules chromonic materials that particle diameter is 1～10um.
Further, use grinder to carry out milled processed for graininess chromonic materials, making particle diameter is 0.2～1.0um particle chromonic materials.
Further, above-mentioned steps 3) colour development material adding, is hotness chromonic materials, and its fusing point is 100 ℃～180 ℃.
Principle of the present invention is as follows: in the top sizing or coating process of paper, add two kinds of colourless chromonic material under normal circumstances, and a kind of use encapsulation wherein, another is through milled processed.At paper, after the line friction of rowing dry is raw, utilizing the small heat producing,, there is chemical reaction and color development in the electronq donor material in paper in colour development material and through grinding to form the moment melting of granular chromonic materials; When firmly ruling on paper, the microcapsules rupture that contains another chromonic materials, chromonic materials flows out, with electronq donor material generation chemical reaction in colour development material and color development produces another color.Because of the different Double-colour horn wires that produce different colours of line pressure, reach false proof object thus.
Beneficial effect of the present invention is:
1, manufacture method is easy and with low cost.The manufacture method the present invention relates to is the different qualities that utilizes chromonic materials to react with colour development material when graininess and microencapsulated, after different materials is mixed, form false proof layer and cover the antifalse effect that presents Double-colour horn wire while reaching line on body paper, do not need complicated especially technical process and complex apparatus, material cost is not high, not high to the requirement of body paper yet, there is manufacture method beneficial effect simple, with low cost.
2, false proof means are simple.The product the present invention relates to is to show different color and pattern by applying different pressure, therefore need not or differentiate by special instrument by additional special physical condition, only need to operate and just can complete the false proof evaluation of Double-colour horn wire with hard things such as fingers.There is the beneficial effect that method for anti-counterfeit is simple, practical.
The specific embodiment
For the ease of understanding the present invention, provide specific embodiment below and be further detailed.In order to set forth conveniently, hereinafter micro-capsule chromonic materials is designated as to A, particle chromonic materials is designated as to B.
Embodiment 1:
The preparation of chromonic materials A liquid: by 1 part 3,3-bis-(1-octyl group-2-first indol-3-yl) phthalide is dissolved in 9 parts of solvent naphthas.Add 0.5 part of maleic anhydride of styrene, 2 parts of melamine resins again, add water and regulate solid content to 40%, carry out emulsification parcel, target average grain diameter is 5 ± 1um, is prepared into aobvious red microencapsulation material.
The preparation of chromonic materials B liquid: 1 part of PVA-205 is added to the water, then adds 9 part 3, two (4-the dimethylamino phenyl)-6-dimethylamino phthalides of 3-, preparation solid content 40%, after high speed dispersion evenly after, grind, be ground to average grain diameter 0.2～1.0um, more preferably 0.2～0.4um.Be prepared into aobvious red microencapsulation material.
The preparation of colour development material lapping liquid: 1.5 parts of PVA-205 are added to the water, then add 9 parts of fusing points be 158 ℃ 2,2-bis-(4-hydroxy phenyl) propane, preparation solid content 40%, after even after high speed dispersion, grind, be ground to average grain diameter 0.8～1.0um.
The preparation of anti-counterfeit paint: in the water of 100 parts, add the Sodium Polyacrylate dispersant of 0.5 part, add 40 parts of precipitated calcium carbonate PC700, after high speed dispersion 30min, add 18 parts of chromonic materials A liquid, 10 parts of chromonic materials B liquid, 7 parts of polyvinyl alcohol N-300, then add 25 portions of colour development material lapping liquids.
The production of cheque paper: in the surface sizing glue liquid of 100 parts, add 5 parts of anti-counterfeit paints that prepare, paper carries out normal top sizing, and resin added is controlled at 1～2g/m2.In dry run, paper surface temperature is controlled at below 70 ℃.
Embodiment 2:
On the basis of embodiment 1, by 3 of aobvious redness in chromonic materials A liquid, 3-bis-(1-octyl group-2-first indol-3-yl) phthalide replaces to 3-lignocaine-6 of displaing yellow, 8-dimethyl fluorane).
Embodiment 3:
On the basis of embodiment 1, by 3 of aobvious blueness in chromonic materials B liquid, two (4-the dimethylamino phenyl)-6-dimethylamino phthalides of 3-replace to aobvious black 2-phenylamino-3-methyl-6-dibutylamino fluorane.
Embodiment 4:
On the basis of embodiment 1, chromonic materials A liquid PVA used is replaced with to sulfonic group Modified PVA, average grain diameter is reduced to 3 ± 1um, and all the other are identical.
Embodiment 5:
On the basis of embodiment 4, colour development material PVA used is replaced with to sulfonic group Modified PVA, on average grind particle diameter and be controlled at 0.3～0.4um.
Embodiment 6:
On the basis of embodiment 5, colour development material is replaced with to 4'-hydroxyl-4'-isopropoxy diphenyl sulphone (DPS) of 128 ℃ of fusing points.
Embodiment 7:
On the basis of embodiment 6, colour development material is replaced with to 4'-hydroxyl-4'-isopropoxy diphenyl sulphone (DPS) of 184 ℃ of fusing points.
Embodiment 8:
The preparation of chromonic materials A liquid: by 1 part 3,3-bis-(1-octyl group-2-first indol-3-yl) phthalide is dissolved in 9 parts of solvent naphthas.Add 0.5 part of maleic anhydride of styrene, 2 parts of melamine resins again, add water and regulate solid content to 40%, carry out emulsification parcel, target average grain diameter is 5 ± 1um.
The preparation of chromonic materials B liquid: 1 part of PVA-205 is added to the water, then adds 9 part 3, two (4-the dimethylamino phenyl)-6-dimethylamino phthalides of 3-, after high speed dispersion evenly after, grind, be ground to average grain diameter 0.2～0.4um.
The preparation of colour development material lapping liquid: 1.5 parts of PVA-205 are added to the water, then add 4'-hydroxyl-4'-isopropoxy diphenyl sulphone (DPS) of 128 ℃ of 9 parts of fusing points, after high speed dispersion evenly after, grind, be ground to average grain diameter 0.2～0.4um.
The preparation of anti-counterfeit paint: in the water of 100 parts, add the Sodium Polyacrylate dispersant of 0.5 part, add 40 parts of precipitated calcium carbonate PC700, after high speed dispersion 30min, add 18 parts of chromonic materials A liquid, 10 parts of chromonic materials B liquid, 7 parts of polyvinyl alcohol N-300, then add 25 portions of colour development material lapping liquids.
The production of cheque paper: in 100 parts of coating, add 3.5 parts of anti-counterfeit paints that prepare, paper passes through the modes such as curtain formula, air knife, scraper, the coating of carrying out, coating weight is built in 3～6g/m
2.In dry run, paper surface temperature is controlled at below 70 ℃.
The examination and test of products:
Above-described embodiment products obtained therefrom, by different pressure, is detected to the antifalse effect that paper manifests under different pressures.According to Lab color space, detect its L, a, b value, calculate the aberration of two kinds of colors or detect optical density C, M, Y, the K value of its different colours.Testing result sees attached list.
Subordinate list:
Note: ☆ is excellent, zero good, △ is poor
The object of the above specific embodiment is to make professional and technical personnel in the field to understand technical scheme of the present invention and to be implemented according to it; can not limit with it protection domain of this patent, the content that protection scope of the present invention discloses with claims is as the criterion.
Claims (10)
1. a Double-colour horn wire cheque paper, comprise body paper and be coated in the anti-counterfeit paint layer that base paper sheet face comprises chromonic materials and colour development material, it is characterized in that: described chromonic materials is comprised of microcapsules chromonic materials and particle chromonic materials, wherein the proportioning of microcapsules chromonic materials, graininess chromonic materials, colour development material is respectively 5～20 parts, 5～15 parts, 10～30 parts by parts by mass, filler, adhesive, defoamer, wetting agent and the water of all the other components for adding in proportion; The anti-counterfeit paint layer consisting of described chromonic materials and colour development material manifests different colours under the effect of different pressures.
2. a kind of Double-colour horn wire cheque paper according to claim 1, it is characterized in that: described chromonic materials is selected from 2-phenylamino-3-methyl-6-dibutylamino fluorane, 3-N-isopentyl-N-ethylamino-6-methyl-7-anilinfluorane, 3,3-bis-(1-octyl group-2-first indol-3-yl) phthalide, 3-lignocaine-7-(hexichol methylamino) fluorane, 3, two (4-the dimethylamino phenyl)-6-dimethylamino phthalides of 3-, 3-lignocaine-6, any one or any two or more combination in 8-dimethyl fluorane.
3. a kind of Double-colour horn wire cheque paper according to claim 1, is characterized in that: described microcapsules chromonic materials particle diameter is 1～10um.
4. a kind of Double-colour horn wire cheque paper according to claim 1, is characterized in that: described particle chromonic materials obtains through milled processed, and particle diameter is 0.2～1.0um.
5. a kind of Double-colour horn wire cheque paper according to claim 1, is characterized in that: described colour development material is hotness chromonic materials, and its fusing point is 100 ℃～180 ℃.
6. a production method for Double-colour horn wire cheque paper, is characterized in that comprising the following steps:
1) a kind of chromonic materials is carried out to microencapsulation parcel, make microcapsules chromonic materials;
2) chromonic materials is used grinder carry out milled processed for graininess, this chromonic materials manifests the color different from chromonic materials in step 1) under the effect of colour development material;
3) the microcapsules chromonic materials and the step 2 that in proportion step 1) are obtained) the graininess chromonic materials that obtains mixes, then add in proportion colour development material, add again appropriate filler, adhesive, defoamer, wetting agent and water, be mixed with anti-counterfeit paint standby;
4) paper for surface sizing or coating stage in process of production, after the above-mentioned anti-counterfeit paint preparing is joined and is mixed in sizing material or in coating medium, carry out again paper for surface sizing or coating, at paper surface, form security coating, wherein the proportioning of anti-counterfeit paint and sizing material or coating medium is counted 1～10:100 by parts by mass.
7. a kind of Double-colour horn wire cheque paper production method according to claim 6, it is characterized in that: described chromonic materials is selected from 2-phenylamino-3-methyl-6-dibutylamino fluorane, 3-N-isopentyl-N-ethylamino-6-methyl-7-anilinfluorane, 3,3-bis-(1-octyl group-2-first indol-3-yl) phthalide, 3-lignocaine-7-(hexichol methylamino) fluorane, 3, two (4-the dimethylamino phenyl)-6-dimethylamino phthalides of 3-, 3-lignocaine-6, any one or any two or more in 8-dimethyl fluorane.
8. a kind of Double-colour horn wire cheque paper production method according to claim 6, is characterized in that: while preparing microcapsules chromonic materials, adopt the microcapsules chromonic materials that particle diameter is 1～10um.
9. a kind of Double-colour horn wire cheque paper production method according to claim 6, is characterized in that: use grinder to carry out milled processed for graininess chromonic materials, making particle diameter is 0.2～1.0um particle chromonic materials.
10. a kind of Double-colour horn wire cheque paper production method according to claim 6, is characterized in that: the colour development material that step 3) is added is hotness chromonic materials, and its fusing point is 100 ℃～180 ℃.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104264532A (en) * | 2014-09-26 | 2015-01-07 | 广东冠豪高新技术股份有限公司 | Leuco anti-counterfeiting coating and leuco anti-counterfeiting paper |
| CN105603825A (en) * | 2015-12-31 | 2016-05-25 | 广东侨盛防伪材料有限公司 | Coating fiber color fiber paper |
| CN110450559A (en) * | 2019-06-28 | 2019-11-15 | 广东乐佳印刷有限公司 | Lottery ticket with improvement anti-counterfeiting characteristic |
| CN111724672A (en) * | 2020-07-17 | 2020-09-29 | 武汉世帝牧文化传媒有限公司 | Anti-counterfeit label based on microcapsule structure |
| CN116855163A (en) * | 2023-06-06 | 2023-10-10 | 海洋化工研究院有限公司 | Flexible pressure-sensitive color-changing anti-corrosion primer, preparation method and application thereof, and intelligent threaded fastener with visible fastening degree |
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| JPH08260396A (en) * | 1995-03-29 | 1996-10-08 | Mitsubishi Paper Mills Ltd | Production of coated paper |
| CN101294363A (en) * | 2007-04-25 | 2008-10-29 | 广东冠豪高新技术股份有限公司 | Temperature-range false-proof non-carbon CB/CFB paper and producing method thereof |
| CN102926281A (en) * | 2012-11-08 | 2013-02-13 | 山东晨鸣纸业集团股份有限公司 | Temperature dependent reversible tenebrescence anti-counterfeiting paper and production method thereof |
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| JPH08260396A (en) * | 1995-03-29 | 1996-10-08 | Mitsubishi Paper Mills Ltd | Production of coated paper |
| CN101294363A (en) * | 2007-04-25 | 2008-10-29 | 广东冠豪高新技术股份有限公司 | Temperature-range false-proof non-carbon CB/CFB paper and producing method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104264532A (en) * | 2014-09-26 | 2015-01-07 | 广东冠豪高新技术股份有限公司 | Leuco anti-counterfeiting coating and leuco anti-counterfeiting paper |
| CN104264532B (en) * | 2014-09-26 | 2016-08-24 | 广东冠豪高新技术股份有限公司 | A kind of procrypsis anti-counterfeit paint and procrypsis cheque paper |
| CN105603825A (en) * | 2015-12-31 | 2016-05-25 | 广东侨盛防伪材料有限公司 | Coating fiber color fiber paper |
| CN110450559A (en) * | 2019-06-28 | 2019-11-15 | 广东乐佳印刷有限公司 | Lottery ticket with improvement anti-counterfeiting characteristic |
| CN111724672A (en) * | 2020-07-17 | 2020-09-29 | 武汉世帝牧文化传媒有限公司 | Anti-counterfeit label based on microcapsule structure |
| CN116855163A (en) * | 2023-06-06 | 2023-10-10 | 海洋化工研究院有限公司 | Flexible pressure-sensitive color-changing anti-corrosion primer, preparation method and application thereof, and intelligent threaded fastener with visible fastening degree |
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| CN103628358B (en) | 2015-12-02 |
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