CN108973368B - Thermal convex foaming anti-counterfeiting printing method - Google Patents
Thermal convex foaming anti-counterfeiting printing method Download PDFInfo
- Publication number
- CN108973368B CN108973368B CN201710412905.3A CN201710412905A CN108973368B CN 108973368 B CN108973368 B CN 108973368B CN 201710412905 A CN201710412905 A CN 201710412905A CN 108973368 B CN108973368 B CN 108973368B
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- Prior art keywords
- foaming
- printing
- thermal
- counterfeiting
- ink
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/12—Stencil printing; Silk-screen printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/10—Intaglio printing ; Gravure printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/14—Security printing
- B41M3/146—Security printing using a non human-readable pattern which becomes visible on reproduction, e.g. a void mark
Abstract
The invention relates to a thermal convex foaming anti-counterfeiting printing method, which comprises the steps of preparing thermal convex foaming ink, detecting the curing and drying temperature in printing equipment, printing anti-counterfeiting pictures and texts on anti-counterfeiting positions of printing stock, printing gloss oil or white ink on the peripheral edges of the anti-counterfeiting pictures and texts, printing other color pictures and texts on the thermal convex foaming anti-counterfeiting pictures and the gloss oil or white ink on the peripheral edges of the thermal convex foaming anti-counterfeiting pictures and texts, and the like. The product printed by the method of the invention reaches the hands of consumers, the consumers heat and foam the anti-counterfeiting image-text by the lighters and matches independently, the foaming image-text is invisible and is in a hidden state, and once the hidden foaming image-text is foamed and raised, the process is irreversible, so the product has anti-counterfeiting property and interestingness.
Description
The invention relates to the technical field of printing technology, in particular to a thermal convex foaming anti-counterfeiting printing method.
With the increasing living standard of people, people have higher and higher requirements on decoration and anti-counterfeiting of packaging, especially for cigarette packaging and wine packaging. At present, anti-counterfeiting printing technologies on the market are various. The anti-counterfeiting technologies are applied to products for a long time, the anti-counterfeiting performance is greatly reduced, most of the anti-counterfeiting technologies lack interestingness, and the attraction to the public is gradually weakened.
The invention aims to solve the technical problem of avoiding the defects of the prior art and provides a thermal convex foaming anti-counterfeiting printing method which can effectively improve the anti-counterfeiting property and the interestingness of a packaging product.
The technical problem to be solved by the invention can be realized by adopting the following technical scheme:
a thermal convex foaming anti-counterfeiting printing method is provided, which comprises the following steps:
A. preparing thermal convex foaming ink: adding a microsphere foaming agent into gloss oil or white ink, wherein the microsphere foaming agent accounts for 1-3% of the whole thermal-embossing foaming ink by mass according to the requirement of a printing product, and the foaming temperature of microspheres is 120-200 ℃;
B. detecting the curing and drying temperature in the printing equipment, and controlling the curing and drying temperature to be lower than the foaming temperature of the microspheres;
C. according to the anti-counterfeiting image and text needing thermal convex foaming designed in advance, the anti-counterfeiting image and text are printed on the anti-counterfeiting position of a printing stock by using the prepared thermal convex foaming ink in a screen printing or gravure printing mode;
D. carrying out hot air drying or UV drying on the ink layer of the printed hot-embossing foaming anti-counterfeiting image and text, wherein the drying temperature is controlled below the foaming temperature of the microspheres;
E. printing gloss oil or white ink on the peripheral edge of the anti-counterfeiting image-text in a connection or off-line mode to enable the anti-counterfeiting image-text to be flush with the periphery;
F. printing other color pictures and texts on the thermal convex foaming anti-counterfeiting picture and the gloss oil or white ink on the periphery of the thermal convex foaming anti-counterfeiting picture and text.
The thermal convex foaming ink is water-based ink or UV ink; when the aqueous thermal-convex foaming ink is prepared, the formula and the proportion are as follows: 65-80% of crosslinking type epoxy resin, 6-10% of ethylene glycol oxide, 1-3% of microsphere foaming body, 0.1-0.3% of defoaming agent, 1.5-2.0% of water-based dispersing agent, 8-12% of crosslinking agent and 4-6% of water; when the UV thermal convex foaming ink is prepared, the formula and the proportion are as follows: 60-72% of acrylic resin, 18-22% of monomer, 5-7% of photoinitiator, 5-7% of auxiliary agent and 1-3% of microsphere foaming body.
The microsphere particle size of the microsphere foaming agent is 10-15 μm.
In the step C: when the screen printing is performed, a 200-350-mesh screen printing plate is adopted; when gravure printing is adopted, a 40-65 mu m deep mesh is adopted.
The thickness of the printing line of the thermal convex foaming anti-counterfeiting image-text is more than 0.08 mm.
In the printing process, the curing and drying temperature is controlled to be lower than the foaming temperature of the microspheres by less than 10 ℃.
Compared with the prior art, the thermal convex foaming anti-counterfeiting printing method has the technical effects that: before printing color pictures and texts, printing thermal convex foaming anti-counterfeiting pictures and texts (gloss oil or white ink) firstly, wherein the products are not foamed in the process of printing, but the foaming anti-counterfeiting pictures and texts are heated and foamed by a lighter and a match independently by the consumer when the products reach the hands of the consumer, and the foaming pictures and texts are invisible and hidden, once the foaming convex of the hidden foaming pictures and texts is foamed, the process is irreversible, so that the anti-counterfeiting effect and the interestingness are achieved.
Detailed Description
The invention relates to a thermal convex foaming anti-counterfeiting printing method, which comprises the following steps:
A. preparing thermal convex foaming ink: adding a microsphere foaming agent into gloss oil or white ink, wherein the microsphere foaming agent accounts for 1-3% of the whole thermal-embossing foaming ink by mass according to the requirement of a printing product, and the foaming temperature of microspheres is 120-200 ℃;
B. detecting the curing and drying temperature in the printing equipment, and controlling the curing and drying temperature to be lower than the foaming temperature of the microspheres;
C. according to the anti-counterfeiting image and text needing thermal convex foaming designed in advance, the anti-counterfeiting image and text are printed on the anti-counterfeiting position of a printing stock by using the prepared thermal convex foaming ink in a screen printing or gravure printing mode;
D. carrying out hot air drying or UV drying on the ink layer of the printed hot-embossing foaming anti-counterfeiting image and text, wherein the drying temperature is controlled below the foaming temperature of the microspheres;
E. printing gloss oil or white ink on the peripheral edge of the anti-counterfeiting image-text in a connection or off-line mode to enable the anti-counterfeiting image-text to be flush with the periphery;
F. printing other color pictures and texts on the thermal convex foaming anti-counterfeiting picture and the gloss oil or white ink on the periphery of the thermal convex foaming anti-counterfeiting picture and text.
In the invention, the thermal convex foaming ink is water-based ink or UV ink; when the aqueous thermal-convex foaming ink is prepared, the formula and the proportion are as follows: 65-80% of crosslinking type epoxy resin, 6-10% of ethylene glycol oxide, 1-3% of microsphere foaming body, 0.1-0.3% of defoaming agent, 1.5-2.0% of water-based dispersing agent, 8-12% of crosslinking agent and 4-6% of water; when the UV thermal convex foaming ink is prepared, the formula and the proportion are as follows: 60-72% of acrylic resin, 18-22% of monomer, 5-7% of photoinitiator, 5-7% of auxiliary agent and 1-3% of microsphere foaming body.
In the invention, the microsphere particle size of the microsphere foaming agent is 10-15 μm so as to be matched with the thickness of the existing printing ink.
In the step C: when the screen printing is performed, a 200-350-mesh screen printing plate is adopted; when gravure printing is performed, a screen having a depth of 40 to 65 μm is used, which ensures smooth ink transfer.
According to the invention, the thickness of the printing line of the thermal convex foaming anti-counterfeiting image-text is more than 0.08mm, so that the final thermal convex foaming effect is not influenced by too few foaming microspheres contained in the printing ink of the printing line.
And E, after the thermal convex foaming anti-counterfeiting image-text is printed, because the image-text part is higher than the surface of the printing stock, in order to ensure that the surface of the printing stock is smooth and the subsequent printing is convenient, gloss oil or white ink is required to be printed on the periphery of the printed thermal convex foaming anti-counterfeiting image-text so as to ensure that the foaming image-text is flush with the periphery, and the process can be on-line printing or off-line printing.
In the whole printing and manufacturing process, the curing and drying temperature is controlled to be lower than the foaming temperature of the microspheres by less than 10 ℃.
The foregoing is a more detailed description of the present invention in connection with specific preferred embodiments and is not intended to limit the practice of the invention to these embodiments. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (6)
1. A thermal convex foaming anti-counterfeiting printing method is characterized by comprising the following steps:
A. preparing thermal convex foaming ink: adding a microsphere foaming agent into gloss oil or white ink, wherein the microsphere foaming agent accounts for 1-3% of the whole thermal-embossing foaming ink by mass according to the requirement of a printing product, and the foaming temperature of microspheres is 120-200 ℃;
B. detecting the curing and drying temperature in the printing equipment, and controlling the curing and drying temperature to be lower than the foaming temperature of the microspheres;
C. according to the anti-counterfeiting image and text needing thermal convex foaming designed in advance, the anti-counterfeiting image and text are printed on the anti-counterfeiting position of a printing stock by using the prepared thermal convex foaming ink in a screen printing or gravure printing mode;
D. carrying out hot air drying or UV drying on the ink layer of the printed hot-embossing foaming anti-counterfeiting image and text, wherein the drying temperature is controlled below the foaming temperature of the microspheres;
E. printing gloss oil or white ink on the peripheral edge of the anti-counterfeiting image-text in a connection or off-line mode to enable the anti-counterfeiting image-text to be flush with the periphery;
F. printing other color pictures and texts on the thermal convex foaming anti-counterfeiting picture and the gloss oil or white ink on the periphery of the thermal convex foaming anti-counterfeiting picture and text.
2. The thermal relief foaming security printing method of claim 1, characterized in that: the thermal convex foaming ink is water-based ink or UV ink; when the aqueous thermal-convex foaming ink is prepared, the formula and the proportion are as follows: 65-80% of crosslinking type epoxy resin, 6-10% of ethylene glycol oxide, 1-3% of microsphere foaming body, 0.1-0.3% of defoaming agent, 1.5-2.0% of water-based dispersing agent, 8-12% of crosslinking agent and 4-6% of water; when the UV thermal convex foaming ink is prepared, the formula and the proportion are as follows: 60-72% of acrylic resin, 18-22% of monomer, 5-7% of photoinitiator, 5-7% of auxiliary agent and 1-3% of microsphere foaming body.
3. The thermal relief foaming security printing method of claim 1 or 2, characterized in that: the microsphere particle size of the microsphere foaming agent is 10-15 μm.
4. The thermal embossing foaming security printing method of claim 1 or 2, wherein in step C: when the screen printing is performed, a 200-350-mesh screen printing plate is adopted; when gravure printing is adopted, a 40-65 mu m deep mesh is adopted.
5. The thermal relief foaming security printing method of claim 1 or 2, characterized in that: the thickness of the printing line of the thermal convex foaming anti-counterfeiting image-text is more than 0.08 mm.
6. The thermal relief foaming security printing method of claim 1 or 2, characterized in that: in the printing process, the curing and drying temperature is controlled to be lower than the foaming temperature of the microspheres by less than 10 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710412905.3A CN108973368B (en) | 2017-06-05 | 2017-06-05 | Thermal convex foaming anti-counterfeiting printing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710412905.3A CN108973368B (en) | 2017-06-05 | 2017-06-05 | Thermal convex foaming anti-counterfeiting printing method |
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| Publication Number | Publication Date |
|---|---|
| CN108973368A CN108973368A (en) | 2018-12-11 |
| CN108973368B true CN108973368B (en) | 2020-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710412905.3A Active CN108973368B (en) | 2017-06-05 | 2017-06-05 | Thermal convex foaming anti-counterfeiting printing method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5962680A (en) * | 1982-10-02 | 1984-04-10 | 「よし」見 直喜 | Foamable ink composition |
| CN101654031A (en) * | 2008-08-22 | 2010-02-24 | 宁波松鹤文具有限公司 | Stationery pen and preparation method thereof |
| CN102653602A (en) * | 2011-03-02 | 2012-09-05 | 康士达生物科技股份有限公司 | Environmentally-friendly foaming component as well as semi-finished base material product and container product manufactured by component |
| CN103373100A (en) * | 2012-04-28 | 2013-10-30 | 上海麟多祈化工科技有限公司 | Anti-counterfeit printing technique and device |
| CN203624154U (en) * | 2013-10-22 | 2014-06-04 | 曹颖 | Anti-counterfeit and anti-unsealing sample sealing bag |
| CN104372715A (en) * | 2014-09-14 | 2015-02-25 | 海南拍拍看网络科技有限公司 | Texture anti-counterfeiting marker for highlighting ink foaming characteristic or ink wrinkle characteristic |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040005449A1 (en) * | 2002-07-05 | 2004-01-08 | Kabushiki Kaisha Kobe Seiko Sho | Foamed resin laminate sound insulation board and method for manufacturing the same |
-
2017
- 2017-06-05 CN CN201710412905.3A patent/CN108973368B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5962680A (en) * | 1982-10-02 | 1984-04-10 | 「よし」見 直喜 | Foamable ink composition |
| CN101654031A (en) * | 2008-08-22 | 2010-02-24 | 宁波松鹤文具有限公司 | Stationery pen and preparation method thereof |
| CN102653602A (en) * | 2011-03-02 | 2012-09-05 | 康士达生物科技股份有限公司 | Environmentally-friendly foaming component as well as semi-finished base material product and container product manufactured by component |
| CN103373100A (en) * | 2012-04-28 | 2013-10-30 | 上海麟多祈化工科技有限公司 | Anti-counterfeit printing technique and device |
| CN203624154U (en) * | 2013-10-22 | 2014-06-04 | 曹颖 | Anti-counterfeit and anti-unsealing sample sealing bag |
| CN104372715A (en) * | 2014-09-14 | 2015-02-25 | 海南拍拍看网络科技有限公司 | Texture anti-counterfeiting marker for highlighting ink foaming characteristic or ink wrinkle characteristic |
Non-Patent Citations (1)
| Title |
|---|
| "化学防伪油墨印刷";王晓红;《印刷杂志》;20030830;第62-66页 * |
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| CN108973368A (en) | 2018-12-11 |
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Effective date of registration: 20210210 Address after: No. 11, Shuangchen Middle Road, economic and Technological Development Zone, Beichen District, Tianjin Patentee after: MASTERWORK GROUP Co.,Ltd. Address before: 518103 building a, Fulda Industrial Park, Chongqing Road, Fuyong street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN LIQUN PRINTING Co.,Ltd. |