CN101735693A - Paint for anti-counterfeit paper and application and application method thereof - Google Patents
Paint for anti-counterfeit paper and application and application method thereof Download PDFInfo
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- CN101735693A CN101735693A CN200910175374A CN200910175374A CN101735693A CN 101735693 A CN101735693 A CN 101735693A CN 200910175374 A CN200910175374 A CN 200910175374A CN 200910175374 A CN200910175374 A CN 200910175374A CN 101735693 A CN101735693 A CN 101735693A
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Abstract
The invention discloses a paint for anti-counterfeit paper and application thereof. The paint is made by the following raw materials by weight percent: 60-65% of water, 6-8% of polyvinyl alcohol, 15-20% of cation cellulose ether, 13-18% of vinyl acetate- ethylene copolymerized emulsion and appropriate amount of auxiliary agent. After the surface of anti-counterfeit paper is coated with the paint, color of ink can be clearly, truly and glossily displayed on the surface of the anti-counterfeit paper without influencing anti-counterfeit function of anti-counterfeit watermark and anti-counterfeit windowing wire.
Description
Technical field
The present invention relates to a kind of paint for papers, especially a kind of paint for anti-counterfeit paper, and the application and methods for using them of this coating in cheque paper.
Background technology
Cheque paper, especially anti-counterfei waterprint paper and false proof windowed thread paper itself have good antifalse effect, and in piracy serious day by day today, its application is more and more wider.Existing water marked paper has used special raw material, has merged the carving mould, has made net, has folded up Technologies such as anti-counterfeiting line in process of production, causes the product of producing to have weak points such as surface irregularity injustice, tarnish.This cheque paper is printed or the color of ink of printing can't truly manifest after colour print or printing, and color is apprehensive, unintelligible, and it is to cause owing to diffuse-reflectance that the cheque paper surface irregularity forms.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of paint for anti-counterfeit paper that can allow color of ink truly manifest on the cheque paper surface; The present invention also provides the application of this coating in cheque paper; The present invention also provides the application method of this coating in cheque paper.
For solving the problems of the technologies described above, the present invention is made by following weight percentages: water 60～65%, and polyvinyl alcohol 6～8%, cation cellulose ether 15～20%, vinyl-acetic ester-ethylene copolymerization emulsions 13～18%, auxiliary agent is an amount of.
Auxiliary agent auxiliary agent described in the present invention mainly is the agent of pH value stabilization, water insoluble defoamer and sodium sulfate or sodium hydroxide; Can also contain in quick dry agent, drying retardant, toughener and the static eliminating agent one or more.
The present invention also provides the application of this paint for anti-counterfeit paper: with the single or double coating of this coating at cheque paper, form coating.
The present invention also provides the application method of this paint for anti-counterfeit paper: be coated on the cheque paper in coating on the cheque paper or casting with the anilox roll transfer coater; Glue spread is counted 4～18g/m by siccative
2
The function mechanism of each raw material among the present invention: water: play solvent and carrier;
Polyvinyl alcohol: be called for short PVA, have unique powerful cementability, epithelium snappiness, smoothness, oil-proofness, solvent resistance, protective colloid, gas barrier performance, wear resistance and water tolerance, in coating of the present invention as tackiness agent, have transparent, waterproof effect, can make the cheque paper that scribbles coating of the present invention more smooth, smooth;
Cation cellulose ether: claim cationic hydroxyethyl cellulose again, be called for short polyquaternium-10 (polyquaternium-10), ProductName: cationic cellulose polymer JR-400, in coating of the present invention as tackiness agent, have fixation, infiltration, waterproof effect, may penetrate into the inside of cheque paper, make coating of the present invention tightr with combining of cheque paper;
Vinyl-acetic ester-ethylene copolymerization emulsions: be called for short EVA, as tackiness agent, have that bounding force is strong, characteristics such as good stability, resistance to deterioration are good, waterproof, especially content is when 10%-20%, have the advantages that the transparency is good, cold-resistant, proof stress splits, in coating of the present invention, can effectively prevent to be coated on the coating cracking on the cheque paper;
The agent of pH value stabilization: the usual auxiliaries in the paint for papers, can stablize the pH value of coating, can make the performance of coating of the present invention more stable, help the stable of dope viscosity of the present invention, guarantee coating quality;
Water insoluble defoamer: the usual auxiliaries in the paint for papers, can effectively eliminate the bubble that coating of the present invention produces in the preparation whipping process, improve coating quality;
Sodium sulfate or sodium hydroxide: the pH value that is used to regulate coating of the present invention;
Quick dry agent and drying retardant: the rate of drying that is used to change this coating;
Toughener: can strengthen the tack of this coating on cheque paper;
Static eliminating agent: can prevent that effectively electrostatic gathers on the apparatus for coating.
Adopt the beneficial effect that technique scheme produced to be: the present invention is coated on surface of anti-counterfeit paper with coating of the present invention in use, forms coating.The present invention utilizes the perviousness of cation cellulose ether, and the coating and the cheque paper that obtain organically are combined into one, between coating and the cheque paper more firmly, can not come off; The present invention utilizes the epithelium snappiness and the smoothness of polyvinyl alcohol, makes coating more level and smooth; The present invention utilizes the characteristics of vinyl-acetic ester-characteristics that the ethylene copolymerization emulsions proof stress splits, and has effectively prevented the cracking of coating.Therefore, the cooperation of the tackiness agent by three kinds of different performances, the coating that the present invention obtains, have level and smooth, waterproof, do not ftracture, with the compact characteristics of cheque paper.
After surface of anti-counterfeit paper is coated with coating of the present invention, can be compact lubricious at common surface of anti-counterfeit paper formation one deck and cheque paper.Because this coating mainly is made of tackiness agent, and have stronger adhesive power between the printing ink, can make the firm printing of printing ink or be printed on the surface of this coating; Because this coatingsurface is smooth, smooth, can effectively reduce the diffuse-reflectance on cheque paper surface, make clear, true, glossiness being apparent in of color of ink use the surface of anti-counterfeit paper that coating of the present invention is arranged.The coating that coating of the present invention forms is a Clear coating, so can not influence the antiforge function of anti-counterfei waterprint and false proof windowed thread.Application has the cheque paper of coating of the present invention can be widely used in the making of packing, trade mark, label, and not only color is true, gorgeous, also has false proof function.
Embodiment
The present invention is further detailed explanation below in conjunction with specific embodiment.
Embodiment 1: the major ingredient that adopts following weight: water 62kg, polyvinyl alcohol 7kg, cation cellulose ether 16kg, vinyl-acetic ester-ethylene copolymerization emulsions 14kg.
Adopt the batching of following weight: pH value stabilization agent 0.6kg, contain polysiloxane (production of Hangzhou Bao Erde organosilicon company limited, product type: BD-3038, the name of product: the special-purpose self-emulsifying defoamer of printing and dyeing) 0.2kg, sodium hydroxide 0.2kg of special modification.
The preparation method: above-mentioned major ingredient is mixed, stirs by required weight, add auxiliary agent in whipping process, stirring at last to obtain this coating.Wherein the agent of pH value stabilization, the water insoluble defoamer in the auxiliary agent can also add in coating process.
The above-mentioned coating that obtains is detected, and detected result is: solid content 35%, pH=6.5, viscosity=60 handkerchief second.
Coating process: adopt the coating of conventional coating process and equipment, be coated on the cheque paper with conventional coating process coating or casting as adopting the anilox roll transfer coater; Glue spread 4～18g/m
2(siccative); The two sides that is preferably in cheque paper all is coated with this coating, to obtain better planeness.
Embodiment 2-10: adopt the raw material weight of each embodiment in the table 1, preparation method and coating process are with embodiment 1.
Table 1: the consumption of each raw material (kg) among the embodiment 2-10
Annotate: each auxiliary agent can be selected the auxiliary agent of this area routine for use in the table 1, and its consumption can add according to situation occurring in the difference of selected auxiliary agent and the coating process, and more as foam, then the amount of the water insoluble defoamer of Tian Jiaing is then added.
The detected result of the above-mentioned coating that obtains is in following ranges: solid content 25～45%, pH=4～9, viscosity=35～85 handkerchief second.
Simultaneous test: contrast product 1: embodiment 1 resulting coating is coated on the common anti-counterfei waterprint paper, then the resulting product of printing color figure thereon;
Contrast product 2: embodiment 5 resulting coating are coated on the common false proof windowed thread paper, then the resulting product of printing color figure thereon;
Contrast product 3: the common anti-counterfei waterprint paper that contrast product 1 is used, the resulting product of printing color figure thereon;
Contrast product 4: the used common false proof windowed thread paper of contrast product 2 is the resulting product of printing color figure thereon.
Control methods: above-mentioned contrast product is upset in proper order, randomly draw pedestrian 100 people in street, Shijiazhuang City, Hebei Province city at random, by slickness, the validity of color, the vividness of color and the sharpness of anti-counterfeiting mark of these four kinds of contrast product of pedestrian determination of above-mentioned extraction.These parameters is divided into 5 grades, is respectively: poor, relatively poor, general, better, good.
Comparing result: see Table 2-5.
Table 2: the comparing result of documents 1
| Difference | Relatively poor | Generally | Better | Good | |
| Slickness | ??/ | ??/ | 8 people | 81 people | 11 people |
| The validity of color | ??/ | ??/ | 12 people | 79 people | 9 people |
| The vividness of color | ??/ | ??/ | 9 people | 73 people | 18 people |
| The sharpness of anti-counterfeiting mark | ??/ | 10 people | 65 people | 25 people | ??/ |
Table 3: the comparing result of documents 2
| Difference | Relatively poor | Generally | Better | Good | |
| Slickness | ??/ | ??/ | 10 people | 83 people | 7 people |
| The validity of color | ??/ | ??/ | 11 people | 80 people | 9 people |
| The vividness of color | ??/ | ??/ | 13 people | 75 people | 12 people |
| The sharpness of anti-counterfeiting mark | ??/ | 10 people | 66 people | 23 people | 1 people |
Table 4: the comparing result of documents 3
| Difference | Relatively poor | Generally | Better | Good | |
| Slickness | 6 people | 73 people | 21 people | ??/ | ??/ |
| The validity of color | 7 people | 70 people | 23 people | ??/ | ??/ |
| The vividness of color | 11 people | 69 people | 20 people | ??/ | ??/ |
| The sharpness of anti-counterfeiting mark | ??/ | 8 people | 67 people | 25 people | ??/ |
Table 5: the comparing result of documents 4
| Difference | Relatively poor | Generally | Better | Good | |
| Slickness | 3 people | 74 people | 23 people | ??/ | ??/ |
| The validity of color | 6 people | 67 people | 27 people | ??/ | ??/ |
| The vividness of color | 7 people | 70 people | 23 people | ??/ | ??/ |
| The sharpness of anti-counterfeiting mark | ??/ | 12 people | 64 people | 24 people | ??/ |
By the comparing result of showing 2-5 as can be known, being coated with the slickness of the cheque paper of this coating, the validity of color and the vividness of color has tangible lifting, and its antifalse effect and uncoated preceding not significantly difference.
Claims (7)
1. paint for anti-counterfeit paper, it is characterized in that: it is made by following weight percentages: water 60～65%, polyvinyl alcohol 6～8%, cation cellulose ether 15～20%, vinyl-acetic ester-ethylene copolymerization emulsions 13～18%, auxiliary agent is an amount of.
2. paint for anti-counterfeit paper according to claim 1 is characterized in that described auxiliary agent mainly is the agent of pH value stabilization, water insoluble defoamer and sodium sulfate or sodium hydroxide.
3. paint for anti-counterfeit paper according to claim 2 is characterized in that the weight percent of described auxiliary agent in coating is: pH value stabilization agent 0.5～1%, water insoluble defoamer 0.1～0.5% He, sodium sulfate or sodium hydroxide 0.1～0.5%.
4. paint for anti-counterfeit paper according to claim 2 is characterized in that: described water-based defoamer is the self-emulsifying defoamer.
5. paint for anti-counterfeit paper according to claim 2 is characterized in that described auxiliary agent also contains one or more in quick dry agent, drying retardant, toughener and the static eliminating agent.
6. the application of described any one paint for anti-counterfeit paper of claim 1-6 is characterized in that: this coating forms coating in the single or double coating of cheque paper.
7. the application method of described any one paint for anti-counterfeit paper of claim 1-6 is characterized in that: be coated on the cheque paper in coating on the cheque paper or casting with the anilox roll transfer coater; Glue spread is counted 4～18g/m by siccative
2
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910175374A CN101735693A (en) | 2009-12-17 | 2009-12-17 | Paint for anti-counterfeit paper and application and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910175374A CN101735693A (en) | 2009-12-17 | 2009-12-17 | Paint for anti-counterfeit paper and application and application method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101735693A true CN101735693A (en) | 2010-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910175374A Pending CN101735693A (en) | 2009-12-17 | 2009-12-17 | Paint for anti-counterfeit paper and application and application method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013033742A2 (en) | 2011-09-05 | 2013-03-14 | Durst Phototechnik Digital Technology Gmbh | Method for increasing the counterfeit protection for an article |
| CN104661827A (en) * | 2012-10-29 | 2015-05-27 | 惠普发展公司，有限责任合伙企业 | Post-treatment solution for digital inkjet printing |
| CN106221386A (en) * | 2016-07-28 | 2016-12-14 | 上海乘鹰新材料有限公司 | Antistatic aqueous transfer coating and preparation method thereof |
-
2009
- 2009-12-17 CN CN200910175374A patent/CN101735693A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013033742A2 (en) | 2011-09-05 | 2013-03-14 | Durst Phototechnik Digital Technology Gmbh | Method for increasing the counterfeit protection for an article |
| CN104661827A (en) * | 2012-10-29 | 2015-05-27 | 惠普发展公司，有限责任合伙企业 | Post-treatment solution for digital inkjet printing |
| CN104661827B (en) * | 2012-10-29 | 2016-10-19 | 惠普发展公司，有限责任合伙企业 | Post-treatment solution for Digital ink jet printing |
| CN106221386A (en) * | 2016-07-28 | 2016-12-14 | 上海乘鹰新材料有限公司 | Antistatic aqueous transfer coating and preparation method thereof |
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Application publication date: 20100616 |