CN112477458B - Offset printing process and printed matter - Google Patents
Offset printing process and printed matter Download PDFInfo
- Publication number
- CN112477458B CN112477458B CN202011390158.6A CN202011390158A CN112477458B CN 112477458 B CN112477458 B CN 112477458B CN 202011390158 A CN202011390158 A CN 202011390158A CN 112477458 B CN112477458 B CN 112477458B
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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
- B41M1/06—Lithographic printing
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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
- B41M1/26—Printing on other surfaces than ordinary paper
- B41M1/36—Printing on other surfaces than ordinary paper on pretreated paper, e.g. parchment, oiled paper, paper for registration purposes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0011—Pre-treatment or treatment during printing of the recording material, e.g. heating, irradiating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
- B41M7/0081—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using electromagnetic radiation or waves, e.g. ultraviolet radiation, electron beams
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Printing Methods (AREA)
Abstract
The invention discloses an offset printing process and a printed matter, wherein the offset printing process comprises the following steps: carrying out surface treatment on a printing stock by adopting paper sealing oil; compounding a cold stamping film on the surface of a printing stock; printing white ink on a cold stamping film on a printing stock; after printing black ink and blue ink on a printing stock, drying by adopting a UV light curing lamp; after printing red ink and yellow ink on the printing stock, drying by using a UV light curing lamp. In the offset printing process, the surface treatment is carried out on the printing stock by adopting the paper sealing oil, so that the printing performance of the printing stock is improved; the cold stamping film can increase the printing thickness, and can perform secondary tight sealing on the surface of a printing stock to reduce the infiltration of four-color ink; the white ink is printed on the cold stamping film, so that the surface printing performance of a cold stamping part can be improved, and the thickness of a printing ink layer can be further increased; and a light-curing lamp is added for drying in the middle of printing, so that the ink lifting can be effectively reduced, and the thickness of the four-color ink layer is increased.
Description
Technical Field
The invention relates to the field of offset printing, in particular to an offset printing process and a printed matter.
Background
No matter UV printing or common printing, the existing offset printing process has weak stereoscopic impression and poor texture due to the restriction of printing plates and small printing thickness. However, offset printing has the advantages of diversified printing ink and multiple dot variation levels, and offset printing products have rich color levels and wide color gamut.
Taking UV four-color printing as an example, the UV four-color printing is to print black, blue, red and yellow four-color inks on paper in sequence, after the printing of the four-color inks is completed, a UV light-curing lamp is turned on in the paper collection process, and the total thickness of the ink layers is the maximum, namely the sum of the four-color ink layers. Moreover, the ink can bleed down into the paper during printing and the actual print height can only be lower. When the printing stock is 128g coated paper, and the thicknesses of black, blue, red and yellow solid printing ink layers are respectively 0.8 mu m, 0.9 mu m, 1 mu m and 1.1 mu m, the thickness of the four-color screening printing ink layer is 0.9 mu m.
For printed products with both wide color gamut and high print thickness requirements, the existing offset printing process has difficulty in meeting the print thickness requirements.
Therefore, how to provide an offset printing process capable of meeting the requirement of printing thickness becomes a technical problem to be solved in the field.
Disclosure of Invention
One object of the present invention is to provide a new solution for offset printing process that can meet the print thickness requirement.
According to a first aspect of the present invention, an offset printing process is provided.
The offset printing process comprises the following steps:
step (1): carrying out surface treatment on a printing stock by adopting paper sealing oil;
step (2): compounding a cold stamping film on the surface of a printing stock;
and (3): printing white ink on a cold stamping film on a printing stock;
and (4): after printing black ink and blue ink on a printing stock, drying by adopting a UV light curing lamp;
and (5): after printing red ink and yellow ink on the printing stock, drying by using a UV light curing lamp.
Optionally, the paper sealing oil in the step (1) is water-based paper sealing oil.
Optionally, the cold-wave film in step (2) includes a base film, a release layer, a color layer, and a back glue layer, which are sequentially arranged from bottom to top.
Optionally, the thickness of the release layer is 0.2 μm, the thickness of the color layer is 3.7 μm, and the thickness of the back glue layer is 1.2 μm.
Optionally, the surface density of the release layer is 0.12 +/-0.02 g/m2The surface density of the color layer is 2.5 +/-0.2 g/m2The surface density of the back adhesive layer is 0.85 +/-0.1 g/m2。
Optionally, the solvent adopted by the color layer consists of ethyl acetate and n-propyl acetate in a volume ratio of 3:1, and the mass ratio of the pigment to the solvent in the color layer is 15: 2.
Optionally, in the step (3), two groups of white inks are printed on the printing material.
Optionally, the substrate is coated paper.
Optionally, the printing stock comprises coated paper, white cardboard and silver cardboard.
According to a second aspect of the present invention, there is provided a print prepared by the offset printing process of the present disclosure.
The printed matter comprises a printing stock, cold-wave glue, a cold-wave film, white ink, black ink, blue ink, red ink and yellow ink which are sequentially arranged from bottom to top.
In the offset printing process, the surface treatment is carried out on the printing stock by adopting the paper sealing oil, so that the printing performance of the printing stock is improved; the cold stamping film can increase the printing thickness, and can perform secondary tight sealing on the surface of a printing stock, so that the infiltration of four-color ink is reduced; the white ink is printed on the cold stamping film, so that the surface printing performance of a cold stamping part can be improved, and the thickness of a printing ink layer can be further increased; and a light-curing lamp is added for drying in the middle of printing, so that the ink lifting can be effectively reduced, and the thickness of the four-color ink layer is increased.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
The offset printing process disclosed by the invention comprises the following steps of:
step (1): and (3) carrying out surface treatment on the printing stock by adopting paper sealing oil. The surface treatment is carried out on the printing stock by adopting the paper sealing oil, which is beneficial to improving the printing performance of the printing stock and can prevent the ink from seeping into the printing stock when printing again.
The paper sealing oil in step (1) may be an aqueous paper sealing oil, for example, UV varnish.
Step (2): and compounding a cold stamping film on the surface of the printing stock. The cold stamping film can increase the printing thickness, and can perform secondary tight sealing on the surface of a printing stock to reduce the infiltration of four-color ink.
In specific implementation, the cold stamping film in the step (2) comprises a base film, a release layer, a color layer and a back glue layer which are sequentially arranged from bottom to top.
Further, in order to improve the sealing effect, the printing thickness is increased, the thickness of the release layer is 0.2 μm, the thickness of the color layer is 3.7 μm, and the thickness of the back glue layer is 1.2 μm.
Further, in order to improve the sealing effect and increase the printing thickness, the surface density of the release layer is 0.12 +/-0.02 g/m2The surface density of the color layer is 2.5 +/-0.2 g/m2The surface density of the back glue layer is 0.85 +/-0.1 g/m2。
Further, in order to improve the sealing effect and increase the printing thickness, the solvent adopted by the color layer consists of ethyl acetate and n-propyl acetate in a volume ratio of 3:1, and the mass ratio of the pigment to the solvent in the color layer is 15: 2.
And (3): and printing white ink on the cold stamping film on the printing stock. The white ink printed on the cold stamping film can improve the surface printing performance of the cold stamping part and can further increase the thickness of a printing ink layer.
Further, in order to increase the printing thickness more effectively, two sets of white ink are printed on the substrate in step (3).
And (4): after printing black ink and blue ink on the printing stock, drying by using a UV light curing lamp. And the light-curing lamp is added for drying in the middle of printing, so that the ink lifting can be effectively reduced, and the thickness of the four-color ink layer is increased.
And (5): after printing red ink and yellow ink on the printing stock, drying by using a UV light curing lamp.
The substrate in the offset printing process of the present disclosure may be a coated paper.
Further, the printing stock comprises coated paper, white cardboard and silver cardboard.
The existing offset printing process has wide color gamut, but the thickness is difficult to meet the requirement. The gravure printing technology is limited by factors such as ink material characteristics, plate making process, overprinting precision and the like, and the gravure printing technology is simple in printing color, few in color level and narrow in printing color gamut. However, the gravure printing has the advantages of strong stereoscopic impression, texture and hand feeling of the printed products because the printing ink layer is thicker and can reach more than 15 micrometers generally and the wiring gravure can reach 25-35 micrometers due to the characteristics of the printing plate. The offset printing process of the present disclosure can meet both wide color gamut and high print thickness requirements.
In the offset printing process, the surface treatment is carried out on the printing stock by adopting the paper sealing oil, so that the printing performance of the printing stock is improved; the cold stamping film can increase the printing thickness, and can perform secondary tight sealing on the surface of a printing stock to reduce the infiltration of four-color ink; the white ink is printed on the cold stamping film, so that the surface printing performance of a cold stamping part can be improved, and the thickness of a printing ink layer can be further increased; and a light-curing lamp is added for drying in the middle of printing, so that the ink lifting can be effectively reduced, and the thickness of the four-color ink layer is increased.
The disclosure also provides a printed matter prepared by the offset printing process.
The printed matter comprises a printing stock, cold-stamping glue, a cold-stamping film, white ink, black ink, blue ink, red ink and yellow ink which are sequentially arranged from bottom to top.
The cold-wave glue is used for compounding the cold-wave film to a printing stock.
The experimental procedures used in the examples below are conventional unless otherwise specified, the materials and reagents used therein are commercially available, and the equipment used in the experiments are well known to those skilled in the art without otherwise specified.
Example 1
The method comprises the steps of taking 128g of coated paper as a printing stock, firstly adopting UV oil to carry out surface pretreatment on the printing stock, and then compounding a cold-stamping film on the surface of the printing stock. Then 2 sets of white ink were printed on the cold foil film on the substrate. The black and blue inks were then printed on the substrate and dried once with a UV light curing lamp. And printing red ink and yellow ink on the printing stock, and secondarily drying by using a UV light curing lamp.
The printing thickness of the obtained printed matter can reach nearly 11 μm (comprising 1.2 μm cold-ironing glue, 5.1 μm cold-ironing film, 1.5 μm white ink and 2.8 μm four-color ink), and is close to the gravure effect.
Example 2
230g of white cardboard is used as a printing stock, UV oil is firstly adopted to carry out surface pretreatment on the printing stock, and then a cold foil is compounded on the surface of the printing stock. Then 2 sets of white ink were printed on the cold foil film on the substrate. The black and blue inks were then printed on the substrate and dried once with a UV light curing lamp. And printing red ink and yellow ink on a printing stock, and secondarily drying by using a UV light curing lamp.
The printing thickness of the obtained printed matter can reach 10 μm (comprising 1.2 μm cold-ironing glue, 5.1 μm cold-ironing film, 1.5 μm white ink and 2.2 μm four-color ink), and is close to the gravure effect.
Example 3
235g of silver paperboard is used as a printing stock, UV oil is firstly adopted to carry out surface pretreatment on the printing stock, and then a cold foil is compounded on the surface of the printing stock. Then 2 sets of white ink were printed on the cold foil film on the substrate. The black and blue inks were then printed on the substrate and dried once with a UV light curing lamp. And printing red ink and yellow ink on the printing stock, and secondarily drying by using a UV light curing lamp.
The printing thickness of the obtained printed matter can reach 11 μm (comprising 1.2 μm cold-wave glue, 5.1 μm cold-wave film, 1.7 μm white ink and 3 μm four-color ink), and is close to the gravure effect.
Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (6)
1. An offset printing process, comprising the steps of:
step (1): carrying out surface treatment on a printing stock by adopting sealing paper oil, wherein the printing stock is coated paper, and the sealing paper oil is water-based sealing paper oil;
step (2): compounding a cold wave film on the surface of a printing stock, wherein the cold wave film comprises a base film, a release layer, a color layer and a back glue layer which are sequentially arranged from bottom to top;
and (3): printing two groups of white ink on a cold stamping film on a printing stock;
and (4): after printing black ink and blue ink on a printing stock, drying by adopting a UV light curing lamp;
and (5): after printing red ink and yellow ink on the printing stock, drying by using a UV light curing lamp.
2. Offset printing process according to claim 1, wherein the release layer has a thickness of 0.2 μm, the color layer has a thickness of 3.7 μm and the backsize layer has a thickness of 1.2 μm.
3. Offset printing process according to claim 1, characterised in that the release typeThe areal density of the layer is 0.12. + -. 0.02g/m2The surface density of the color layer is 2.5 +/-0.2 g/m2The surface density of the back adhesive layer is 0.85 +/-0.1 g/m2。
4. The offset printing process according to claim 1, wherein the solvent used in the color layer consists of ethyl acetate and n-propyl acetate in a volume ratio of 3:1, and the mass ratio of the pigment to the solvent in the color layer is 15: 2.
5. The offset printing process of claim 1, wherein the substrate comprises coated paper, white cardboard and silver cardboard.
6. A printed matter produced by the offset printing process according to any one of claims 1 to 5, comprising a substrate, a cold-waving glue, a cold-waving film, white ink, black ink, blue ink, red ink and yellow ink arranged in this order from bottom to top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011390158.6A CN112477458B (en) | 2020-12-01 | 2020-12-01 | Offset printing process and printed matter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011390158.6A CN112477458B (en) | 2020-12-01 | 2020-12-01 | Offset printing process and printed matter |
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| Publication Number | Publication Date |
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| CN112477458A CN112477458A (en) | 2021-03-12 |
| CN112477458B true CN112477458B (en) | 2022-07-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011390158.6A Active CN112477458B (en) | 2020-12-01 | 2020-12-01 | Offset printing process and printed matter |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1513497A (en) * | 1975-10-28 | 1978-06-07 | Cremonese Ind | Multilayer board for boxes and cartons |
| JPH05148376A (en) * | 1991-02-20 | 1993-06-15 | Oji Yuka Synthetic Paper Co Ltd | Coated resin film excellent in offset printability |
| JP2008080666A (en) * | 2006-09-27 | 2008-04-10 | Toyo Ink Mfg Co Ltd | Lithographic ink printing method |
| JP2010012674A (en) * | 2008-07-03 | 2010-01-21 | T & K Toka Co Ltd | Color process printing method |
| CN103921542A (en) * | 2013-09-02 | 2014-07-16 | 广西真龙彩印包装有限公司 | Novel offset printing and hot stamping technique |
| CN104553414A (en) * | 2014-09-30 | 2015-04-29 | 贵州劲嘉新型包装材料有限公司 | Prior-ironing and after-printing online printing method of cigarette packing box |
| CN106904013A (en) * | 2017-04-21 | 2017-06-30 | 广州市富晨包装制品有限公司 | A kind of 3D gratings flexible glue typography |
| CN111251736A (en) * | 2020-02-24 | 2020-06-09 | 上海美美尚隽印刷有限公司 | Reverse anti-counterfeiting printing process for packaging box |
| CN111546797A (en) * | 2020-05-09 | 2020-08-18 | 淮安春晖彩印有限公司 | Green printing method based on water-based ink |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9311022D0 (en) * | 1993-05-28 | 1993-07-14 | Wood Terry J | Printing process |
| GB0517931D0 (en) * | 2005-09-02 | 2005-10-12 | Xaar Technology Ltd | Method of printing |
| CN101480867A (en) * | 2008-01-12 | 2009-07-15 | 中山市松德包装机械股份有限公司 | Method for realizing multi-color-class positioning cold wave transfer printing |
| CN102825901B (en) * | 2012-08-06 | 2015-06-03 | 深圳劲嘉彩印集团股份有限公司 | Cold stamping and positioning laser pattern transfer printing equipment and method |
| CN108045120A (en) * | 2017-10-30 | 2018-05-18 | 虎彩印艺股份有限公司 | A kind of offset printing line cold foil technology and equipment |
| CN110949028A (en) * | 2019-11-18 | 2020-04-03 | 东莞市信彩包装有限公司 | Printing method for strengthening sprayed code adhesive force on gloss oil surface |
| CN211730760U (en) * | 2019-12-25 | 2020-10-23 | 绍兴虎彩激光材料科技有限公司 | Cold-stamping film for replacing holographic transfer paper and aluminum washing paper |
-
2020
- 2020-12-01 CN CN202011390158.6A patent/CN112477458B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1513497A (en) * | 1975-10-28 | 1978-06-07 | Cremonese Ind | Multilayer board for boxes and cartons |
| JPH05148376A (en) * | 1991-02-20 | 1993-06-15 | Oji Yuka Synthetic Paper Co Ltd | Coated resin film excellent in offset printability |
| JP2008080666A (en) * | 2006-09-27 | 2008-04-10 | Toyo Ink Mfg Co Ltd | Lithographic ink printing method |
| JP2010012674A (en) * | 2008-07-03 | 2010-01-21 | T & K Toka Co Ltd | Color process printing method |
| CN103921542A (en) * | 2013-09-02 | 2014-07-16 | 广西真龙彩印包装有限公司 | Novel offset printing and hot stamping technique |
| CN104553414A (en) * | 2014-09-30 | 2015-04-29 | 贵州劲嘉新型包装材料有限公司 | Prior-ironing and after-printing online printing method of cigarette packing box |
| CN106904013A (en) * | 2017-04-21 | 2017-06-30 | 广州市富晨包装制品有限公司 | A kind of 3D gratings flexible glue typography |
| CN111251736A (en) * | 2020-02-24 | 2020-06-09 | 上海美美尚隽印刷有限公司 | Reverse anti-counterfeiting printing process for packaging box |
| CN111546797A (en) * | 2020-05-09 | 2020-08-18 | 淮安春晖彩印有限公司 | Green printing method based on water-based ink |
Non-Patent Citations (2)
| Title |
|---|
| 印刷品的墨层厚度和纸张白度对颜色再现的回归分析;陈正伟;《出版与印刷》;20001231(第02期);41-44 * |
| 基于UV喷墨的彩色3D打印研究;何留喜等;《包装工程》;20150510(第09期);144-148 * |
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