CN114654912A - UV (ultraviolet) embossed oiled paper product for gravure printing machine and manufacturing method thereof - Google Patents
UV (ultraviolet) embossed oiled paper product for gravure printing machine and manufacturing method thereof Download PDFInfo
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- CN114654912A CN114654912A CN202210405089.4A CN202210405089A CN114654912A CN 114654912 A CN114654912 A CN 114654912A CN 202210405089 A CN202210405089 A CN 202210405089A CN 114654912 A CN114654912 A CN 114654912A
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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
- B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
- B41M5/502—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording characterised by structural details, e.g. multilayer materials
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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
- B41M1/10—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
- B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
- B41M7/0027—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using protective coatings or layers by lamination or by fusion of the coatings or layers
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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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- 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
- B41M7/009—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using thermal means, e.g. infrared radiation, heat
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
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- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Printing Methods (AREA)
Abstract
The invention belongs to the technical field of UV photocuring auxiliary mechanical equipment, and relates to a UV raised oil paper product of an intaglio printing press, which comprises a common color ink layer, a gloss oil layer, a UV raised oil layer and a paper base layer, wherein the common color ink layer is coated on the paper base layer, the gloss oil layer is a transparent color ink connecting layer and is used for connecting the common color ink layer and the UV raised oil layer, and the UV raised oil layer initiates prepolymer to carry out polymerization and crosslinking grafting reaction under the irradiation of ultraviolet light, so that a three-dimensional reticular high-molecular polymer is cured in a short time to form a hardened film. The invention also relates to a manufacturing method of the UV embossed oiled paper product of the gravure printing machine. The method controls the fastness of the UV gravure embossed oil from the aspects of drying, temperature and humidity change, embossed oil plate depth influence, embossed oil curing degree and the like, has obvious effect, solves the problem of printing fastness of the UV embossed oil through the combination of common ink and UV ink on-line printing, reduces the cost, and improves the product quality and the production efficiency.
Description
Technical Field
The invention belongs to the technical field of UV (ultraviolet) photocuring auxiliary mechanical equipment, and particularly relates to a UV embossed oiled paper product of an intaglio printing press and a manufacturing method thereof.
Background
The intaglio printing is called intaglio printing for short, and is a direct printing method, and is characterized by that the ink on the surface of intaglio plate is scraped by means of ink-scraping knife, and the printing plate is contacted with printing material under a certain pressure, and the ink contained in recessed pit is directly printed on the printing material so as to implement printing. At present, UV gravure printing is widely applied in the printing field, and common UV gravure glazing and UV gravure raised oil are used. The phenomenon of poor oil fastness of the UV intaglio raised characters often appears in the production process, and the quality and the yield of products are influenced.
Aiming at the phenomenon that raised oil is not firm during uv printing of a single gravure press, the method mainly researches the reason that the raised oil is not firm in printing, analyzes the problems from the aspects of water-light drying condition, temperature and humidity change, the deep influence of a raised oil plate, the curing degree of the raised oil and the like, and finds out and solves the problems.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a UV embossed oil paper product of an intaglio printing machine and a using method thereof, which thoroughly solve the problem of insecurity of embossed oil and improve the product quality; off-line single concave-convex character oil is not required to be printed, so that the production cost is reduced, and the production efficiency is improved; the product procedures are reduced, the process precision control difficulty is reduced, and the input and output rate is improved.
An intaglio printing press UV embossed oiled paper product comprising: a common color ink layer, a gloss oil layer, a UV raised oil layer and a paper base layer,
the common color ink layer is coated on the paper base layer and consists of rosin resin, mineral oil, vegetable oil, pigment, filler, oxidation drying agent, auxiliary agent and the like, the drying process is solidified by combining surface oxidation film, ink layer internal binding material permeation and solvent volatilization,
the gloss oil layer is a transparent color ink connecting layer and is used for connecting the common color ink layer and the UV raised oil layer,
the UV embossed oil layer is formed by unsaturated resin, prepolymer, photoinitiator, diluent, pigment, filler, auxiliary agent and the like, the photoinitiator is split into free radicals after absorbing the radiation energy of ultraviolet light in the curing process, the prepolymer is initiated to carry out polymerization and crosslinking grafting reaction, and the prepolymer is cured into three-dimensional reticular high molecular polymer in a short time to form a hardened film, and the UV embossed oil layer is UV cigarette packet embossed oil JTI and is sourced from Shanghai ink company Limited in Shengwei.
Further, the common color ink layer is 1-5 color ink layers, preferably no more than 3 color ink layers.
Furthermore, the gloss oil layer is an aqueous gloss oil layer and has a prominent environmental protection effect. The water-based gloss oil is green, environment-friendly, safe, nontoxic and free of peculiar smell. The gloss oil printing needs rapid drying, stable performance, high and low temperature resistance, good flatness, high and low temperature resistance and strong adhesive force, and the UV embossed oil is not easy to peel off after being printed.
Further, the paper base layer is any one of lining paper, inserting tongue paper and paperboard.
The invention also provides a manufacturing method of the UV embossed oiled paper product of the gravure printing machine, which comprises the following steps:
a: printing a common color ink layer and a water-based gloss oil layer on a first 9 color group of a ten-color gravure press, after the water-based gloss oil layer is overprinted on the common color ink layer, drying the water-based gloss oil layer in an electric heating oven, wherein the engraving depth of the water-based gloss oil plate is 18-30 mu m, the water-based gloss oil diluting solvent (alcohol)/water =1/1, and the drying temperature of the oven is 110-;
b: printing of a UV raised oil layer is completed in the No. 10 color group, overprinting is performed on the surface of the water-based gloss oil layer, a raised relief effect is presented, the engraving depth of a UV raised oil plate is 40-80 mu m, the edge of raised oil lines is flush, the angle of a scraper during printing of the raised oil is less than 50 degrees, the lines are effectively ensured to be straight, two groups of UV lamps are used during heating, the power of a lamp tube is 10-20KW, the power density is 150-190W/cm, the percentage value is 90-100, and the machine speed is 140-180m/s, so that the raised oil is ensured to be dry.
And C, finishing the normal gold stamping, die cutting and packaging processes of the paper product.
Further, in the step A: the engraving depth of the water-based varnish plate is 23 mu m, the water-based varnish dilution solvent (alcohol)/water =1/1, and the drying temperature of an oven is 120 ℃.
Further, in the step B: the engraving depth of the UV embossed oil plate is 60 mu m, and the scraper angle is 30 degrees when the embossed oil is printed.
Further, in the step B: the power of the lamp tubes of the two groups of UV lamps is 15KW, the power density is 173W/cm, the percentage value is 98, and the machine speed is 160 m/s.
Advantageous effects
The UV embossed oil paper product of the intaglio printing machine disclosed by the invention has the advantages that the fastness of the UV embossed oil is controlled from the aspects of drying, temperature and humidity change, embossed oil plate depth influence, embossed oil curing degree and the like, the effect is obvious, the printing fastness problem of the UV embossed oil is solved through the combination of the common ink and UV ink on-line printing, the cost is reduced, and the product quality and the production efficiency are improved.
Drawings
FIG. 1 is a schematic structural diagram of a UV embossed oiled paper product of an intaglio printing press.
FIG. 2 is a schematic flow chart of the manufacturing method of UV embossed oiled paper products of the gravure printing machine.
Wherein each part name is respectively: 1. a paper product layer, 2, a common color ink layer, 3, a gloss oil layer, 4 and a UV raised oil layer.
Detailed Description
The present invention will be described in detail below with reference to examples to enable those skilled in the art to better understand the present invention, but the present invention is not limited to the following examples.
Example 1
An intaglio printing press UV embossed oiled paper product comprising: a common color ink layer 2, a gloss oil layer 3, a UV raised oil layer 4 and a paper base layer 1,
the common color ink layer 2 is coated on the paper base layer 1 and consists of rosin resin, mineral oil, vegetable oil, pigment, filler, oxidation drying agent, auxiliary agent and the like, the drying process is solidified by combining the surface oxidation film, the penetration of bonding material in the ink layer and the volatilization of solvent,
the gloss oil layer 3 is a transparent color ink connecting layer and is used for connecting the common color ink layer and the UV raised oil layer,
the UV raised oil layer 4 is composed of unsaturated resin, prepolymer, photoinitiator, diluent, pigment, filler, auxiliary agent and the like, and the curing process is that the photoinitiator absorbs the radiation energy of ultraviolet light and then is split into free radicals under the irradiation of the ultraviolet light, so that the prepolymer is initiated to carry out polymerization and crosslinking grafting reaction, and the prepolymer is cured into three-dimensional reticular high polymer in a short time to form a hardened film.
The common color ink layer 2 is 3 layers. The paper base layer is inner lining paper.
Example 2
An intaglio printing press UV embossed oiled paper product comprising: a common color ink layer 2, a gloss oil layer 3, a UV raised oil layer 4 and a paper base layer 1,
the common color ink layer 2 is coated on the paper base layer 1 and consists of rosin resin, mineral oil, vegetable oil, pigment, filler, oxidation drying agent, auxiliary agent and the like, the drying process is solidified by combining surface oxidation film, the penetration of the bonding material in the ink layer and the volatilization of the solvent,
the gloss oil layer 3 is a transparent color ink connecting layer and is used for connecting the common color ink layer and the UV raised oil layer,
the UV raised oil layer 4 is composed of unsaturated resin, prepolymer, photoinitiator, diluent, pigment, filler, auxiliary agent and the like, and the curing process is that under the irradiation of ultraviolet light, the photoinitiator absorbs the radiation energy of the ultraviolet light and then is split into free radicals to initiate the prepolymer to carry out polymerization and crosslinking grafting reaction, and the prepolymer is cured into three-dimensional reticular high molecular polymer in a short time to form a hardened film.
The common color ink layer 2 is 5 layers.
The gloss oil layer 3 is a water-based gloss oil layer and has a prominent environmental protection effect. The common color ink layer 2 is 3 layers. The paper base layer is tongue-inserting paper.
Example 3
An intaglio printing press UV embossed oiled paper product comprising: a common color ink layer 2, a gloss oil layer 3, a UV raised oil layer 4 and a paper base layer 1,
the common color ink layer 2 is coated on the paper base layer 1 and consists of rosin resin, mineral oil, vegetable oil, pigment, filler, oxidation drying agent, auxiliary agent and the like, the drying process is solidified by combining surface oxidation film, the penetration of the bonding material in the ink layer and the volatilization of the solvent,
the gloss oil layer 3 is a transparent color ink connecting layer and is used for connecting the common color ink layer and the UV raised oil layer,
the UV raised oil layer 4 is composed of unsaturated resin, prepolymer, photoinitiator, diluent, pigment, filler, auxiliary agent and the like, and the curing process is that under the irradiation of ultraviolet light, the photoinitiator absorbs the radiation energy of the ultraviolet light and then is split into free radicals to initiate the prepolymer to carry out polymerization and crosslinking grafting reaction, and the prepolymer is cured into three-dimensional reticular high molecular polymer in a short time to form a hardened film.
The common color ink layer 2 is 5 layers.
The gloss oil layer 3 is a water-based gloss oil layer and has an outstanding environment-friendly effect. The common color ink layer 2 is 3 layers. The paper substrate is paperboard.
Example 4
A manufacturing method of UV embossed oiled paper products of a gravure printing machine comprises the following steps:
a: printing a common color ink layer and a water-based gloss oil layer on a first 9 color set of a ten-color gravure press, after the water-based gloss oil layer is overprinted on the common color ink layer, drying the water-based gloss oil layer in an electric heating oven, wherein the engraving depth of a water-based gloss oil plate is 23 mu m, the water-based gloss oil diluting solvent (alcohol)/water =1/1, and the drying temperature of the oven is 120 ℃;
b: printing of a UV raised oil layer is completed in a No. 10 color group, the UV raised oil layer is overprinted on the surface of the water-based gloss oil layer to present a raised relief effect, the engraving depth of a UV raised oil plate is 40-80 mu m, the edges of raised oil lines are flush, and the angle of a scraper is less than 50 degrees when the raised oil is printed;
and C, finishing the working procedures of normal gold stamping, die cutting and packaging of the paper product.
And the UV raised oil curing degree is detected, the printing speed is prevented from being changed and the energy is prevented from being adjusted at will, and the power is required to be increased after the UV lamp is attenuated.
The temperature and humidity of the workshop are 22 ℃ and 55-65%. The machine speed is 160M/min.
Gravure printing ordinary ink and UV ink are printed simultaneously, the temperature and pressure are adjusted to be optimal, full-plate water optical overprinting is carried out after ink printing, and then UV raised oil patterns are printed on the surface of the water-based gloss oil, so that the required printed patterns and effects are completed.
Example 5
A manufacturing method of UV embossed oiled paper products of a gravure printing machine comprises the following steps:
a: printing a common color ink layer and a water-based gloss oil layer on a first 9 color group of a ten-color gravure press, after the water-based gloss oil layer is overprinted on the common color ink layer, drying the water-based gloss oil layer in an electric heating oven, wherein the engraving depth of the water-based gloss oil plate is 18-30 mu m, the water-based gloss oil diluting solvent (alcohol)/water =1/1, and the drying temperature of the oven is 110-;
b: printing of a UV raised oil layer is completed in a No. 10 color group, the UV raised oil layer is overprinted on the surface of the water-based gloss oil layer to present a raised relief effect, the engraving depth of a UV raised oil plate is 60 mu m, and the angle of a scraper is 30 degrees during raised oil printing;
and C, finishing the working procedures of normal gold stamping, die cutting and packaging of the paper product.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present invention or directly or indirectly applied to other related technical fields are included in the scope of the present invention.
Claims (9)
1. The UV embossed oil paper product of the gravure printing machine is characterized in that: the method comprises the following steps: a common color ink layer (2), a gloss oil layer (3), a UV raised oil layer (4) and a paper base layer (1),
the common color ink layer (2) is coated on the paper base layer (1) and consists of rosin resin, mineral oil, vegetable oil, pigment, filler, oxidation drying agent, auxiliary agent and the like, the drying process is solidified by combining the surface oxidation film, the penetration of the bonding material in the ink layer and the volatilization of the solvent,
the gloss oil layer (3) is a transparent color ink connecting layer and is used for connecting the common color ink layer and the UV raised oil layer,
the UV raised oil layer (4) is composed of unsaturated resin, prepolymer, photoinitiator, diluent, pigment, filler, auxiliary agent and the like, and the curing process is that the photoinitiator absorbs the radiation energy of ultraviolet light and then is split into free radicals under the irradiation of the ultraviolet light to initiate the prepolymer to carry out polymerization and crosslinking grafting reaction, and the prepolymer is cured into three-dimensional reticular high molecular polymer in a short time to form a hardened film.
2. The intaglio printing press UV raised stencil paper product as recited in claim 1 wherein: the gloss oil layer (3) is a water-based gloss oil layer.
3. The intaglio printing press UV raised stencil paper product as recited in claim 1 wherein: the paper base layer (1) is any one of lining paper, inserting tongue paper and paperboard.
4. The intaglio press UV embossed oiled paper product according to claim 1, wherein: the common color ink layer (2) is 1-5 color ink layers.
5. The intaglio printing press UV raised stencil paper product as recited in claim 4 wherein: the common color ink layer (2) does not exceed 3 layers.
6. A manufacturing method of UV embossed oiled paper products of a gravure printing machine is characterized in that: the method comprises the following steps:
a: printing a common color ink layer and a water-based gloss oil layer by a first 9 color groups on a ten-color gravure press, after the water-based gloss oil layer is overprinted on the common color ink layer, drying the water-based gloss oil layer in an electric heating oven, wherein the engraving depth of the water-based gloss oil plate is 18-30 mu m, the water-based gloss oil diluting solvent (alcohol)/water =1/1, and the drying temperature of the oven is 110-140 ℃;
b: printing of a UV raised oil layer is completed in a No. 10 color group, overprinting is carried out on the surface of the water-based gloss oil layer, a raised relief effect is presented, the engraving depth of a UV raised oil plate is 40-80 mu m, the edges of raised oil lines are flush, the angle of a scraper is less than 50 degrees during printing of the raised oil, two groups of UV lamps are used during heating, the power of a lamp tube is 10-20KW, the power density is 150-190W/cm, the percentage value is 90-100, and the machine speed is 140-180m/s, so that the raised oil is ensured to be dried;
and C, finishing the working procedures of normal gold stamping, die cutting and packaging of the paper product.
7. The method of manufacturing an intaglio printing press UV raised oiled paper product according to claim 6, wherein: in the step A: the engraving depth of the water-based varnish plate is 23 mu m, the water-based varnish dilution solvent (alcohol)/water =1/1, and the drying temperature of an oven is 120 ℃.
8. The method of manufacturing an intaglio printing press UV embossed oiled paper product according to claim 6, wherein: in the step B: the engraving depth of the UV embossed oil plate is 60 mu m, and the scraper angle is 30 degrees when the embossed oil is printed.
9. The method of manufacturing an intaglio printing press UV embossed oiled paper product according to claim 6, wherein: in the step B: the power of the lamp tubes of the two groups of UV lamps is 15KW, the power density is 173W/cm, the percentage value is 98, and the machine speed is 160 m/s.
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| CN202210405089.4A CN114654912A (en) | 2022-04-18 | 2022-04-18 | UV (ultraviolet) embossed oiled paper product for gravure printing machine and manufacturing method thereof |
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| CN202210405089.4A CN114654912A (en) | 2022-04-18 | 2022-04-18 | UV (ultraviolet) embossed oiled paper product for gravure printing machine and manufacturing method thereof |
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2022
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| CN101122105A (en) * | 2007-08-07 | 2008-02-13 | 河南金芒果印刷有限公司 | Gravure technique for making white cardboard having same surface effect as gold cardboard |
| KR101162334B1 (en) * | 2011-08-24 | 2012-07-04 | 주식회사 무 등 | Uv curable type gravure printing device |
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| CN108342122A (en) * | 2017-01-23 | 2018-07-31 | 上海杰易森股份有限公司 | One kind having strong three-dimensional sense and flexible UV embossed printing inks and preparation method thereof |
| CN110217009A (en) * | 2019-07-16 | 2019-09-10 | 深圳劲嘉集团股份有限公司 | A kind of gravure process substituting the reverse printing technology of offset printing |
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