CN111005259A - A kind of wet watermark paper and its making method - Google Patents
A kind of wet watermark paper and its making method Download PDFInfo
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- CN111005259A CN111005259A CN201911167601.0A CN201911167601A CN111005259A CN 111005259 A CN111005259 A CN 111005259A CN 201911167601 A CN201911167601 A CN 201911167601A CN 111005259 A CN111005259 A CN 111005259A
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- wet
- watermark
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000000576 coating method Methods 0.000 claims abstract description 168
- 239000011248 coating agent Substances 0.000 claims abstract description 167
- 239000007788 liquid Substances 0.000 claims abstract description 70
- 238000004519 manufacturing process Methods 0.000 claims abstract description 44
- 238000003825 pressing Methods 0.000 claims abstract description 38
- 239000004816 latex Substances 0.000 claims abstract description 29
- 229920000126 latex Polymers 0.000 claims abstract description 29
- 239000011259 mixed solution Substances 0.000 claims abstract description 18
- 238000003756 stirring Methods 0.000 claims abstract description 17
- 239000000243 solution Substances 0.000 claims abstract description 8
- 239000011734 sodium Substances 0.000 claims description 12
- 229910052708 sodium Inorganic materials 0.000 claims description 12
- -1 sodium alkyl sulfonate Chemical class 0.000 claims description 9
- 238000005192 partition Methods 0.000 claims description 8
- 239000004359 castor oil Substances 0.000 claims description 6
- 235000019438 castor oil Nutrition 0.000 claims description 6
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 claims description 6
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 5
- 229920001971 elastomer Polymers 0.000 claims description 3
- 238000010147 laser engraving Methods 0.000 claims 1
- 229940051841 polyoxyethylene ether Drugs 0.000 claims 1
- 229920000056 polyoxyethylene ether Polymers 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 230000006835 compression Effects 0.000 abstract description 10
- 238000007906 compression Methods 0.000 abstract description 10
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 15
- 238000010586 diagram Methods 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000007639 printing Methods 0.000 description 7
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000002357 osmotic agent Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/40—Agents facilitating proof of genuineness or preventing fraudulent alteration, e.g. for security paper
- D21H21/44—Latent security elements, i.e. detectable or becoming apparent only by use of special verification or tampering devices or methods
Landscapes
- Paper (AREA)
Abstract
The invention discloses wet watermark paper, wherein a wet watermark solution comprises 5-15kg of penetrating agent and 85-95kg of latex. The invention also discloses a manufacturing method of the wet watermark paper, which comprises the following steps: s100: firstly, adding penetrant into stirring equipment, then adding latex, and stirring and permeating the penetrant and the latex at the speed of 300 revolutions per minute for 1 hour at normal temperature to obtain a mixed solution; s200: and (5) conveying the mixed liquid obtained in the step (S100) to a coating device, and pressing a wet watermark on the anti-counterfeiting paper by the coating device. The formula adopted by the invention is as follows: the watermark solution prepared by the penetrant and the latex is stirred and dispersed into mixed solution, and the mixed solution is directly printed on the anti-counterfeiting paper through the compression roller, so that the process flow for manufacturing the wet watermark paper is simple, and the production efficiency is improved.
Description
Technical Field
The invention relates to the technical field of manufacturing of watermark paper, in particular to wet watermark paper and a manufacturing method thereof.
Background
Watermark paper (often referred to as floating watermark paper) is an ancient and effective traditional anti-counterfeiting technology, and the watermark is a watermark method which is most easily identified by naked eyes, is used till now since the advent, and develops along with the continuous development of related technologies. The water marked paper is made by using the net forming technology in the forming process of the paper web, when the paper web is just interweaved to form a certain amount of water, the water marked paper is stamped by using the water marked liquid with engraved lines, and the tissue of the part of the wet paper web is displaced to form various marks or patterns.
The watermark paper also comprises wet watermark paper, the watermark can not be seen under the normal condition of the wet watermark paper, the waterproof paper is wetted, and clear watermark patterns can be seen, the traditional wet watermark anti-counterfeiting paper is produced on the base paper of a paper mill, the process is complex, and the production period is long.
Disclosure of Invention
The invention aims to provide wet watermark paper and a manufacturing method thereof, and the process flow for manufacturing the wet watermark paper is simple, and the production efficiency is improved so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a wet water printing paper comprises 5-15kg of penetrant and 85-95kg of latex.
In some embodiments, the osmotic agent is at least one of sulfated castor oil, sodium alkyl sulfonate, sodium alpha-alkenyl sulfonate, and alkylphenol ethoxylates.
According to another aspect of the present invention, there is provided a method of making wet watermarked paper, comprising the steps of:
s100: firstly, adding penetrant into stirring equipment, then adding latex, and stirring and permeating the penetrant and the latex at the speed of 300 revolutions per minute for 1 hour at normal temperature to obtain a mixed solution;
s200: and (5) conveying the mixed liquid in the step (S100) to a coating device, and pressing a wet watermark pattern on the anti-counterfeiting paper by the coating device.
In some embodiments, the coating device comprises a bracket, a coating roller, a pressing roller, an auxiliary roller and a coating liquid collecting tank, wherein the coating roller, the pressing roller and the auxiliary roller are sequentially installed on a partition board of the bracket from bottom to top, anti-counterfeiting paper is arranged between the pressing roller and the auxiliary roller, and the coating liquid collecting tank is arranged right below the coating roller.
In some embodiments, a connecting tube is connected to the coating roll.
In some embodiments, the press roll is a rubber covered roll whose surface is provided with engraved protrusions and can be printed with patterns or characters.
In some embodiments, the shape of the protrusions is determined by the shape of the desired watermark pattern or text.
In some embodiments, the mixed liquid is delivered to the coating roller through the connecting pipe, the coating roller rotates to transfer the mixed liquid to the pressing roller, and the pressing roller rotates and presses the security paper, so that the wet watermark is pressed on the security paper.
Compared with the prior art, the invention has the beneficial effects that: the invention is adopted to prepare
The method comprises the following steps: the watermark solution prepared by the penetrant and the latex is stirred and dispersed into mixed solution, and the mixed solution is directly printed on the anti-counterfeiting paper through the compression roller, so that the process flow for manufacturing the wet watermark paper is simple, and the production efficiency is improved.
Drawings
FIG. 1 is a flow chart of a method of making the wet watermarked paper of the present invention;
FIG. 2 is a schematic view of a coating apparatus according to the present invention;
FIG. 3 is a schematic view of the structure of the coating roll of the present invention;
FIG. 4 is a flow chart of the coating process of the coating apparatus of the present invention.
In the figure: 1. a bracket; 2. a coating roll; 201. a connecting pipe; 3. a compression roller; 301. a bulge provided with a watermark pattern; 4. an auxiliary roller; 5. and a coating liquid collecting tank.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A wet water printing paper comprises 5kg of penetrant and 95kg of latex.
Fig. 1 shows a flow chart of a method for manufacturing the wet watermarked paper of the present invention, in this embodiment, the method for manufacturing the wet watermarked paper includes the following steps:
s100: firstly, adding a penetrant (sulfated castor oil) into a stirring device, then adding latex, and stirring and permeating the penetrant and the latex at the normal temperature at the speed of 300 revolutions per minute for 1 hour by using a stirrer with a dispersing and shearing function to obtain a mixed solution;
s200: and (5) conveying the mixed liquid obtained in the step (S100) to a coating device, and pressing a wet watermark on the anti-counterfeiting paper by the coating device. The mixed liquid in the step S100 is directly pressed on the anti-counterfeiting paper through the coating device, so that the process is simple and the production efficiency is high.
Fig. 2 shows a schematic structural diagram of the coating apparatus of the present invention, in this embodiment, the coating apparatus includes a bracket 1, a coating roller 2, a pressing roller 3, an auxiliary roller 4, and a coating liquid collecting tank 5, the coating roller 2, the pressing roller 3, and the auxiliary roller 4 are sequentially installed on a partition board of the bracket 1 from bottom to top, a forgery-preventing paper (such as M in fig. 1) is provided between the pressing roller 3 and the auxiliary roller 4, a trend of the forgery-preventing paper is as an arrow direction in fig. 1, a coating liquid collecting tank 5 is provided right below the coating roller 2, the coating roller 2 has a coating liquid dripping during coating, and the coating liquid collecting tank 5 can be used for collecting the dripping coating.
Fig. 3 shows a structural diagram of the coating roller of the present invention, the coating roller 2 is connected with a connecting pipe 201, the connecting pipe 201 is used as a mixed liquid injection channel of the coating roller 2, and the connecting pipe 201 can convey the mixed liquid to the coating roller 2.
The surface of the press roller (3) is provided with a rubber covered roller which is engraved by laser and can print pattern bulges (301), the surface of the press roller (3) is provided with the bulges (301), and the shape patterns and characters of the bulges (301) are determined by the shapes of the required watermark patterns and characters, so that the shapes of the bulges (301) can be determined according to the shapes of watermarks, and the press roller can be suitable for manufacturing various watermark papers.
Fig. 4 shows a flow chart of the coating device of the present invention, and the specific steps of the coating in this embodiment include:
s201: the mixed liquid is sent to the coating roller 2 through the connecting pipe 201:
s202: the coating roller 2 rotates to transfer the mixed liquid to the press roller 3;
s203: the compression roller 3 rotates and applies pressure to the anti-counterfeiting paper, so that a wet watermark pattern is pressed on the anti-counterfeiting paper.
After the black watermark paper prepared in this embodiment is detected by the detection mechanism, the detection report is as follows:
example 2
A wet water printing paper comprises 5kg of penetrant and 95kg of latex.
Fig. 1 shows a flow chart of a method for manufacturing the wet watermarked paper of the present invention, in this embodiment, the method for manufacturing the wet watermarked paper includes the following steps:
s100: firstly, adding penetrants (sulfated castor oil and sodium alkyl sulfonate) into a stirring device, then adding latex, and stirring and permeating the penetrants and the latex at the normal temperature at the speed of 300 revolutions per minute for 1 hour to obtain a mixed solution;
s200: and (5) conveying the mixed liquid obtained in the step (S100) to a coating device, and pressing a wet watermark on the anti-counterfeiting paper by the coating device. The mixed liquid in the step S100 is directly pressed on the anti-counterfeiting paper through the coating device, so that the process is simple and the production efficiency is high.
Fig. 2 shows a schematic structural diagram of the coating apparatus of the present invention, in this embodiment, the coating apparatus includes a bracket 1, a coating roller 2, a pressing roller 3, an auxiliary roller 4, and a coating liquid collecting tank 5, the coating roller 2, the pressing roller 3, and the auxiliary roller 4 are sequentially installed on a partition board of the bracket 1 from bottom to top, a forgery-preventing paper (such as M in fig. 1) is provided between the pressing roller 3 and the auxiliary roller 4, a trend of the forgery-preventing paper is as an arrow direction in fig. 1, a coating liquid collecting tank 5 is provided right below the coating roller 2, the coating roller 2 has a coating liquid dripping during coating, and the coating liquid collecting tank 5 can be used for collecting the dripping coating.
Fig. 3 shows a structural diagram of the coating roller of the present invention, the coating roller 2 is connected with a connecting pipe 201, the connecting pipe 201 is used as a mixed liquid injection channel of the coating roller 2, and the connecting pipe 201 can convey the mixed liquid to the coating roller 2.
The surface of the press roller 3 is provided with the bulge 301, and the shape of the bulge 301 is determined by the shape of the required watermark pattern or character, so that the shape of the bulge 301 can be determined according to the shape of the watermark, and the press roller can be ensured to be suitable for manufacturing various watermark papers.
Fig. 4 shows a flow chart of the coating device of the present invention, and the specific steps of the coating in this embodiment include:
s201: the mixed liquid is sent to the coating roller 2 through the connecting pipe 201:
s202: the coating roller 2 rotates to transfer the mixed liquid to the press roller 3;
s203: the compression roller 3 rotates and applies pressure to the anti-counterfeiting paper, so that the wet watermark is pressed on the anti-counterfeiting paper.
After the black watermark paper prepared in this embodiment is detected by the detection mechanism, the detection report is as follows:
example 3
A wet water printing paper comprises 5kg of penetrant and 95kg of latex.
Fig. 1 shows a flow chart of a method for manufacturing the wet watermarked paper of the present invention, in this embodiment, the method for manufacturing the wet watermarked paper includes the following steps:
s100: firstly, adding penetrants (alkyl sodium sulfonate and alpha-alkenyl sodium sulfonate) into stirring equipment, then adding latex, and stirring and permeating the penetrants and the latex at the normal temperature at the speed of 300 revolutions per minute for 1 hour to obtain a mixed solution;
s200: and (5) conveying the mixed liquid obtained in the step (S100) to a coating device, and pressing a wet watermark on the anti-counterfeiting paper by the coating device. The mixed liquid in the step S100 is directly pressed on the anti-counterfeiting paper through the coating device, so that the process is simple and the production efficiency is high.
Fig. 2 shows a schematic structural diagram of the coating apparatus of the present invention, in this embodiment, the coating apparatus includes a bracket 1, a coating roller 2, a pressing roller 3, an auxiliary roller 4, and a coating liquid collecting tank 5, the coating roller 2, the pressing roller 3, and the auxiliary roller 4 are sequentially installed on a partition board of the bracket 1 from bottom to top, a forgery-preventing paper (such as M in fig. 1) is provided between the pressing roller 3 and the auxiliary roller 4, a trend of the forgery-preventing paper is as an arrow direction in fig. 1, a coating liquid collecting tank 5 is provided right below the coating roller 2, the coating roller 2 has a coating liquid dripping during coating, and the coating liquid collecting tank 5 can be used for collecting the dripping coating.
Fig. 3 shows a structural diagram of the coating roller of the present invention, the coating roller 2 is connected with a connecting pipe 201, the connecting pipe 201 is used as a mixed liquid injection channel of the coating roller 2, and the connecting pipe 201 can convey the mixed liquid to the coating roller 2.
The surface of the press roll 3 is provided with the bulge 301, the shape of the bulge 301 is determined by the shape of the required watermark pattern and characters, thus the shape of the bulge 301 can be determined according to the shape of the watermark, and the press roll can be ensured to be suitable for the manufacture of various watermark papers.
Fig. 4 shows a flow chart of the coating device of the present invention, and the specific steps of the coating in this embodiment include:
s201: the mixed liquid is sent to the coating roller 2 through the connecting pipe 201:
s202: the coating roller 2 rotates to transfer the mixed liquid to the press roller 3;
s203: the compression roller 3 rotates and applies pressure to the anti-counterfeiting paper, so that the wet watermark is pressed on the anti-counterfeiting paper.
After the black watermark paper prepared in this embodiment is detected by the detection mechanism, the detection report is as follows:
example 4
A wet water printing paper comprises 5kg of penetrant and 95kg of latex.
Fig. 1 shows a flow chart of a method for manufacturing the wet watermarked paper of the present invention, in this embodiment, the method for manufacturing the wet watermarked paper includes the following steps:
s100: firstly, adding penetrants (sulfated castor oil, sodium alkyl sulfonate and alpha-sodium alkenyl sulfonate) into a stirring device, then adding latex, and stirring and permeating the penetrants and the latex at the normal temperature at the speed of 300 revolutions per minute for 1 hour to obtain a mixed solution;
s200: and (5) conveying the mixed liquid obtained in the step (S100) to a coating device, and pressing a wet watermark on the anti-counterfeiting paper by the coating device. The mixed liquid in the step S100 is directly pressed on the anti-counterfeiting paper through the coating device, so that the process is simple and the production efficiency is high.
Fig. 2 shows a schematic structural diagram of the coating apparatus of the present invention, in this embodiment, the coating apparatus includes a bracket 1, a coating roller 2, a pressing roller 3, an auxiliary roller 4, and a coating liquid collecting tank 5, the coating roller 2, the pressing roller 3, and the auxiliary roller 4 are sequentially installed on a partition board of the bracket 1 from bottom to top, a forgery-preventing paper (such as M in fig. 1) is provided between the pressing roller 3 and the auxiliary roller 4, a trend of the forgery-preventing paper is as an arrow direction in fig. 1, a coating liquid collecting tank 5 is provided right below the coating roller 2, the coating roller 2 has a coating liquid dripping during coating, and the coating liquid collecting tank 5 can be used for collecting the dripping coating.
Fig. 3 shows a structural diagram of the coating roller of the present invention, the coating roller 2 is connected with a connecting pipe 201, the connecting pipe 201 is used as a mixed liquid injection channel of the coating roller 2, and the connecting pipe 201 can convey the mixed liquid to the coating roller 2.
The surface of the press roll 3 is provided with the bulge 301, the shape of the bulge 301 is determined by the shape of the required watermark pattern and characters, thus the shape of the bulge 301 can be determined according to the shape of the watermark, and the press roll can be ensured to be suitable for the manufacture of various watermark papers.
Fig. 4 shows a flow chart of the coating device of the present invention, and the specific steps of the coating in this embodiment include:
s201: the mixed liquid is sent to the coating roller 2 through the connecting pipe 201:
s202: the coating roller 2 rotates to transfer the mixed liquid to the press roller 3;
s203: the compression roller 3 rotates and applies pressure to the anti-counterfeiting paper, so that the wet watermark is pressed on the anti-counterfeiting paper.
After the black watermark paper prepared in this embodiment is detected by the detection mechanism, the detection report is as follows:
example 5
A wet water printing paper comprises 5kg of penetrant and 95kg of latex.
Fig. 1 shows a flow chart of a method for manufacturing the wet watermarked paper of the present invention, in this embodiment, the method for manufacturing the wet watermarked paper includes the following steps:
s100: firstly, adding penetrants (alkyl sodium sulfonate and alkylphenol polyoxyethylene) into stirring equipment, then adding latex, and stirring and permeating the penetrants and the latex at the normal temperature at the speed of 300 revolutions per minute for 1 hour to obtain a mixed solution;
s200: and (5) conveying the mixed liquid obtained in the step (S100) to a coating device, and pressing a wet watermark on the anti-counterfeiting paper by the coating device. The mixed liquid in the step S100 is directly pressed on the anti-counterfeiting paper through the coating device, so that the process is simple and the production efficiency is high.
Fig. 2 shows a schematic structural diagram of the coating apparatus of the present invention, in this embodiment, the coating apparatus includes a bracket 1, a coating roller 2, a pressing roller 3, an auxiliary roller 4, and a coating liquid collecting tank 5, the coating roller 2, the pressing roller 3, and the auxiliary roller 4 are sequentially installed on a partition board of the bracket 1 from bottom to top, a forgery-preventing paper (such as M in fig. 1) is provided between the pressing roller 3 and the auxiliary roller 4, a trend of the forgery-preventing paper is as an arrow direction in fig. 1, a coating liquid collecting tank 5 is provided right below the coating roller 2, the coating roller 2 has a coating liquid dripping during coating, and the coating liquid collecting tank 5 can be used for collecting the dripping coating.
Fig. 3 shows a structural diagram of the coating roller of the present invention, the coating roller 2 is connected with a connecting pipe 201, the connecting pipe 201 is used as a mixed liquid injection channel of the coating roller 2, and the connecting pipe 201 can convey the mixed liquid to the coating roller 2.
The surface of the press roller 3 is provided with the bulge 301, and the shape of the bulge 301 is determined by the shape of the watermark, so that the shape of the bulge 301 can be determined according to the shape of the watermark, and the press roller can be ensured to be suitable for manufacturing various watermark papers.
Fig. 4 shows a flow chart of the coating device of the present invention, and the specific steps of the coating in this embodiment include:
s201: the mixed liquid is sent to the coating roller 2 through the connecting pipe 201:
s202: the coating roller 2 rotates to transfer the mixed liquid to the press roller 3;
s203: the compression roller 3 rotates and applies pressure to the anti-counterfeiting paper, so that the wet watermark is pressed on the anti-counterfeiting paper.
After the black watermark paper prepared in this embodiment is detected by the detection mechanism, the detection report is as follows:
example 6
A wet water printing paper comprises 5kg of penetrant and 95kg of latex.
Fig. 1 shows a flow chart of a method for manufacturing the wet watermarked paper of the present invention, in this embodiment, the method for manufacturing the wet watermarked paper includes the following steps:
s100: firstly, adding penetrants (sulfated castor oil, sodium alkyl sulfonate, alpha-sodium alkenyl sulfonate and alkylphenol polyoxyethylene) into a stirring device, then adding latex, and stirring and permeating the latex and the emulsifier for 1 hour at the normal temperature at the speed of 300 revolutions per minute to obtain a mixed solution;
s200: and (5) conveying the mixed liquid obtained in the step (S100) to a coating device, and pressing a wet watermark on the anti-counterfeiting paper by the coating device. The mixed liquid in the step S100 is directly pressed on the anti-counterfeiting paper through the coating device, so that the process is simple and the production efficiency is high.
Fig. 2 shows a schematic structural diagram of the coating apparatus of the present invention, in this embodiment, the coating apparatus includes a bracket 1, a coating roller 2, a pressing roller 3, an auxiliary roller 4, and a coating liquid collecting tank 5, the coating roller 2, the pressing roller 3, and the auxiliary roller 4 are sequentially installed on a partition board of the bracket 1 from bottom to top, a forgery-preventing paper (such as M in fig. 1) is provided between the pressing roller 3 and the auxiliary roller 4, a trend of the forgery-preventing paper is as an arrow direction in fig. 1, a coating liquid collecting tank 5 is provided right below the coating roller 2, the coating roller 2 has a coating liquid dripping during coating, and the coating liquid collecting tank 5 can be used for collecting the dripping coating.
Fig. 3 shows a structural diagram of the coating roller of the present invention, the coating roller 2 is connected with a connecting pipe 201, the connecting pipe 201 is used as a mixed liquid injection channel of the coating roller 2, and the connecting pipe 201 can convey the mixed liquid to the coating roller 2.
The surface of the press roller 3 is provided with the bulge 301, and the shape of the bulge 301 is determined by the shape of the required watermark pattern or character, so that the shape of the bulge 301 can be determined according to the shape of the watermark, and the press roller can be suitable for manufacturing various watermark papers.
Fig. 4 shows a flow chart of the coating device of the present invention, and the specific steps of the coating in this embodiment include:
s201: the mixed liquid is sent to the coating roller 2 through the connecting pipe 201:
s202: the coating roller 2 rotates to transfer the mixed liquid to the press roller 3;
s203: the compression roller 3 rotates and applies pressure to the anti-counterfeiting paper, so that the wet watermark is pressed on the anti-counterfeiting paper.
After the black watermark paper prepared in this embodiment is detected by the detection mechanism, the detection report is as follows:
as can be seen from the detection reports of the 6 embodiments, the detection items of the wet watermarking paper manufactured by the watermarking solution prepared by the formula accord with the detection according to the GB/T30130-2013 and GB/T22467.1-2008 standards, so that the wet watermarking paper provided by the invention accords with the regulations of the relevant national standards.
The formula adopted by the invention is as follows: the watermark solution prepared by the penetrant and the latex is stirred and dispersed into mixed solution, and the mixed solution is directly printed on the anti-counterfeiting paper through the compression roller, so that the process flow for manufacturing the wet watermark paper is simple, and the production efficiency is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (8)
Priority Applications (1)
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| CN201911167601.0A CN111005259A (en) | 2019-11-25 | 2019-11-25 | A kind of wet watermark paper and its making method |
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| CN201911167601.0A CN111005259A (en) | 2019-11-25 | 2019-11-25 | A kind of wet watermark paper and its making method |
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| US5868902A (en) * | 1995-03-13 | 1999-02-09 | Portals Limited | Security paper |
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| CN101122106A (en) * | 2006-08-09 | 2008-02-13 | 小森公司 | Information recording medium supply device |
| CN204367554U (en) * | 2014-12-22 | 2015-06-03 | 周友元 | Extruding print-on coating equipment and system |
| CN204472106U (en) * | 2015-03-03 | 2015-07-15 | 湖北龙马全息科技股份有限公司 | A kind of holographic false proof printing multistage wind coating machine |
| CN105951519A (en) * | 2016-04-28 | 2016-09-21 | 华南理工大学 | Water-induced anti-counterfeit paper and preparation method thereof |
-
2019
- 2019-11-25 CN CN201911167601.0A patent/CN111005259A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5868902A (en) * | 1995-03-13 | 1999-02-09 | Portals Limited | Security paper |
| CN1245545A (en) * | 1996-12-31 | 2000-02-23 | 普罗克特和甘保尔公司 | Soft tissue paper having surface deposited softening agent |
| CN101122106A (en) * | 2006-08-09 | 2008-02-13 | 小森公司 | Information recording medium supply device |
| CN204367554U (en) * | 2014-12-22 | 2015-06-03 | 周友元 | Extruding print-on coating equipment and system |
| CN204472106U (en) * | 2015-03-03 | 2015-07-15 | 湖北龙马全息科技股份有限公司 | A kind of holographic false proof printing multistage wind coating machine |
| CN105951519A (en) * | 2016-04-28 | 2016-09-21 | 华南理工大学 | Water-induced anti-counterfeit paper and preparation method thereof |
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Application publication date: 20200414 |