CN110884270A - Low-temperature bright gold stained paper and printing method thereof - Google Patents

Low-temperature bright gold stained paper and printing method thereof Download PDF

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Publication number
CN110884270A
CN110884270A CN201811053055.3A CN201811053055A CN110884270A CN 110884270 A CN110884270 A CN 110884270A CN 201811053055 A CN201811053055 A CN 201811053055A CN 110884270 A CN110884270 A CN 110884270A
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China
Prior art keywords
gold
parts
oil
temperature
water
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CN201811053055.3A
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Chinese (zh)
Inventor
陈利帮
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South Of River Anhui Spring Packs Science And Technology Ltd
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South Of River Anhui Spring Packs Science And Technology Ltd
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Priority to CN201811053055.3A priority Critical patent/CN110884270A/en
Publication of CN110884270A publication Critical patent/CN110884270A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00Inking and printing with a printer's forme
    • B41M1/22Metallic printing; Printing with powdered inks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B44DECORATIVE ARTS
    • B44CPRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C1/00Processes, not specifically provided for elsewhere, for producing decorative surface effects
    • B44C1/16Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like
    • B44C1/165Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like for decalcomanias; sheet material therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B44DECORATIVE ARTS
    • B44CPRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C1/00Processes, not specifically provided for elsewhere, for producing decorative surface effects
    • B44C1/16Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like
    • B44C1/165Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like for decalcomanias; sheet material therefor
    • B44C1/175Transfer using solvent

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  • Printing Methods (AREA)
  • Paper (AREA)

Abstract

The invention discloses a low-temperature bright gold stained paper and a printing method thereof, wherein the printing method comprises a bright gold stained paper selecting material and a low-temperature bright gold stained paper, and comprises the following steps: step one, preparing gold powder ink, namely changing ethyl cellulose into a molten state under a heating state, and then adding polyamide resin into the ethyl cellulose in the molten state according to the proportion of 2:1 of the ethyl cellulose and the polyamide resin to obtain pretreatment ink; step two, preliminary preparation; step three, preparing again; step four, final preparation. The invention provides a method for coating isolation oil, which is used for increasing the protection of bright gold stained paper and increasing the relief direction of the surface of a product and enhancing the overall three-dimensional effect of patterns on the surface of the product.

Description

Low-temperature bright gold stained paper and printing method thereof
Technical Field
The invention relates to the technical field of printing, in particular to low-temperature bright gold stained paper and a printing method thereof.
Background
The stained paper is a kind of craft paper with printed pattern on the surface of base paper, and has a large market divided into three categories, i.e. butyral film paper, relatively coarse underglaze stained paper, water transfer decal paper, etc. according to the paper properties. When the bright gold stained paper is pasted, if the temperature of the bright gold stained paper is higher than 700 ℃ in a high-temperature state, the bright gold stained paper is melted and adhered on the surface of the glass, so that the product can not be well protected, the existing printed stained paper is only adhered on the surface of the product in a standard manner, but the falling-off condition is very easy to occur, and the selling rate of the product is influenced.
Therefore, it is necessary to invent a low-temperature bright gold decal paper and a printing method thereof to solve the above problems.
Disclosure of Invention
The invention aims to provide low-temperature bright gold stained paper and a printing method thereof, wherein isolation oil is coated to increase the protection of the bright gold stained paper and increase the relief direction of the surface of a product and enhance the integral three-dimensional effect of patterns on the surface of the product, and the patterns are hardly corroded by the outside air along with the increase of the coating times, so that the integration of the product is increased, the surface of the product is prevented from being exploded or falling off, and the problems in the background art are solved.
In order to achieve the purpose, the invention provides the following technical scheme: the low-temperature bright gold stained paper comprises the following selected materials: 2-4 parts of water-soluble base paper, 8-12 parts of gold stamping base oil, 8-12 parts of barrier oil, 12-14 parts of film, 3-5 parts of ethyl cellulose, 3-5 parts of cellulose nitrate, 3-5 parts of polyvinyl acetate, 3-5 parts of polyamide resin, 5-9 parts of water-based gold powder and 80-90 parts of water.
The invention also provides a low-temperature bright gold stained paper printing method, which comprises the following steps:
step one, preparing gold powder ink: heating ethyl cellulose to be in a molten state, adding polyamide resin into the ethyl cellulose in the molten state according to the proportion of 2:1 of the ethyl cellulose and the polyamide resin to obtain pretreated ink, mixing polyvinyl acetate and an emulsifier, dissolving the mixture in a water phase to obtain an emulsified polymer, mixing a cellulose nitrate solution and the emulsified polymer according to the proportion of 1:4 to obtain polymer ink, and finally adding the pretreated ink, the polymer ink and aqueous gold powder into a high-speed stirrer according to the proportion of 8:5:2 to obtain gold powder ink;
step two, preliminary preparation: preparing a required pattern by using a film, placing the film on the surface of water-soluble base paper, uniformly coating the gold powder ink prepared in the step one on the surface of the film, printing gold stamping base oil (8 wt% of gold stamping base oil curing agent needs to be added and fully stirred to be printed) by adopting 250-mesh printing and priming for 3-6 times;
step three, preparing again: coating isolation oil on the surface of the bottom of the gold stamping base oil in the step two, and after the isolation oil is dried, attaching water-soluble base paper to the surface of the isolation oil again to achieve the protection effect on the gold stamping base oil and the isolation oil and avoid oxidation reaction of the gold stamping base oil and the isolation oil in an external environment;
step four, final preparation: putting the raw materials prepared in the third step into normal temperature water, taking out the film with patterns after the water-soluble base paper is completely dissolved in the water, drying for 20-30 min, sticking the film on a product to be stuck, and integrally baking for 40-60 min.
Preferably, in the first step, the temperature for heating the ethyl cellulose is set to be 135-155 ℃, the emulsifier is a substance capable of improving the surface tension between various constituent phases in the emulsion to form a uniform and stable dispersion system or emulsion, and the high-speed stirring machine rotates at a rotation speed of 1200r/min-1500r/min for 20min-40 min.
Preferably, in the second step, the interval time of the priming coating is 40min-60min, the gold stamping base oil is dried by a gold stamping machine, the gold stamping base oil is embossed and concave, and the temperature of the gold stamping machine is 120-150 ℃ when the gold stamping machine works.
Preferably, in the third step, the number of the coating layers of the insulating oil is 2-4, and the drying time of the insulating oil is 35-60 min.
Preferably, in the fourth step, the temperature of the normal temperature water is 35-45 ℃, and the baking temperature is 135-155 ℃.
The invention has the technical effects and advantages that:
1. the invention provides the method for smearing the isolation oil, wherein the isolation oil is smeared to increase the protection of bright gold stained paper and increase the relief direction of the surface of a product so as to enhance the integral three-dimensional effect of the pattern on the surface of the product, and the pattern is hardly corroded by the outside air along with the increase of smearing times, so that the integration of the product is increased, and the situation of explosion or falling off of the surface of the product is prevented;
2. according to the invention, the gold stamping base oil is primed for multiple times, the appearance of multiple priming is performed on the surface of the film sheet by the gold stamping base oil, the three-dimensional effect of patterns is further enhanced, the adhesion effect of the bright gold stained paper can be increased by the ethyl cellulose, the polyvinyl acetate and the polyamide resin in the gold powder ink, the ethyl cellulose can be melted in a baking state, the bright gold stained paper is further ensured to be adhered to the surface of a product, the softening point of the ethyl cellulose can be reached at the temperature of 135-155 ℃, the gold powder ink is required to be ensured not to drip when the bright gold stained paper is adhered, the integrity of the gold stamping base oil is also ensured in the state that the ethyl cellulose is rapidly softened, and the bright gold stained paper is prevented from falling off.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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.
The present invention will be further described with reference to the following examples.
Example 1:
the low-temperature bright gold stained paper comprises the following selected materials: 2 parts of water-soluble base paper, 8 parts of gold stamping base oil, 8 parts of barrier oil, 12 parts of film, 3 parts of ethyl cellulose, 3 parts of cellulose nitrate, 3 parts of polyvinyl acetate, 3 parts of polyamide resin, 5 parts of water-based gold powder and 80 parts of water.
The invention also provides a low-temperature bright gold stained paper printing method, which comprises the following steps:
step one, preparing gold powder ink: the ethyl cellulose is heated to be in a molten state, then the polyamide resin is added to the ethyl cellulose in the molten state according to the ratio of the ethyl cellulose to the polyamide resin being 2:1, thereby obtaining the pre-treatment printing ink, mixing polyvinyl acetate and an emulsifier, dissolving the mixture in a water phase, thereby obtaining an emulsified polymer, then mixing the cellulose nitrate solution with the emulsion polymer according to the proportion of 1:4 to obtain polymer ink, finally adding the pretreatment ink, the polymer ink and the aqueous gold powder into a high-speed stirrer according to the proportion of 8:5:2, so as to prepare the gold powder ink, the heating temperature of the ethyl cellulose is set to 135 ℃, the emulsifier is a substance which can improve the surface tension among various constituent phases in the emulsion and enable the emulsion to form a uniform and stable dispersion system or emulsion, the high-speed stirrer rotates for 20min at the rotating speed of 1200 r/min;
step two, preliminary preparation: preparing a required pattern by using a film, placing the film on the surface of water-soluble base paper, uniformly coating gold powder ink prepared in the step one on the surface of the film, printing gold stamping base oil (8 wt% of gold stamping base oil curing agent needs to be added and fully stirred to be printed) by using 250-mesh printing and priming for 3 times, wherein the priming and priming interval time is 40min, drying the gold stamping base oil by using a gold stamping machine, and controlling the temperature of the gold stamping machine to be 120 ℃ when the gold stamping base oil is embossed;
step three, preparing again: coating isolation oil on the surface of the bottom of the gold stamping base oil in the step two, after the isolation oil is dried, attaching water-soluble base paper to the surface of the isolation oil again to achieve the protection effect on the gold stamping base oil and the isolation oil and avoid oxidation reaction of the gold stamping base oil and the isolation oil in an external environment, wherein the number of coating layers of the isolation oil is 2, and the drying time of the isolation oil is 35 min;
step four, final preparation: putting the raw materials prepared in the third step into normal-temperature water, taking out the film with patterns after the water-soluble base paper is completely dissolved in the water, drying for 20min, adhering the film to a product to be adhered, and integrally baking for 40min, wherein the temperature of the normal-temperature water is 35 ℃ and the baking temperature is 135 ℃.
Example 2:
the low-temperature bright gold stained paper comprises the following selected materials: 4 parts of water-soluble base paper, 12 parts of gold stamping base oil, 12 parts of barrier oil, 14 parts of film, 5 parts of ethyl cellulose, 5 parts of cellulose nitrate, 5 parts of polyvinyl acetate, 5 parts of polyamide resin, 9 parts of water-based gold powder and 90 parts of water.
The invention also provides a low-temperature bright gold stained paper printing method, which comprises the following steps:
step one, preparing gold powder ink: the ethyl cellulose is heated to be in a molten state, then the polyamide resin is added to the ethyl cellulose in the molten state according to the ratio of the ethyl cellulose to the polyamide resin being 2:1, thereby obtaining the pre-treatment printing ink, mixing polyvinyl acetate and an emulsifier, dissolving the mixture in a water phase, thereby obtaining an emulsified polymer, then mixing the cellulose nitrate solution with the emulsion polymer according to the proportion of 1:4 to obtain polymer ink, finally adding the pretreatment ink, the polymer ink and the aqueous gold powder into a high-speed stirrer according to the proportion of 8:5:2, so as to prepare the gold powder ink, the heating temperature of the ethyl cellulose is set to 155 ℃, the emulsifier is a substance which can improve the surface tension among various constituent phases in the emulsion and enable the emulsion to form a uniform and stable dispersion system or emulsion, the high-speed stirrer rotates for 40min at the rotating speed of 1500 r/min;
step two, preliminary preparation: preparing a required pattern by using a film, placing the film on the surface of water-soluble base paper, uniformly coating gold powder ink prepared in the step one on the surface of the film, printing gold stamping base oil (8 wt% of gold stamping base oil curing agent needs to be added and fully stirred to be printed) by using 250-mesh printing and priming for 6 times, wherein the interval time of priming and priming is 60min, drying the gold stamping base oil by using a gold stamping machine, and controlling the temperature of the gold stamping machine to be 150 ℃ when the gold stamping base oil is embossed;
step three, preparing again: coating isolation oil on the surface of the bottom of the gold stamping base oil in the step two, after the isolation oil is dried, attaching water-soluble base paper to the surface of the isolation oil again to achieve the protection effect on the gold stamping base oil and the isolation oil and avoid oxidation reaction of the gold stamping base oil and the isolation oil in an external environment, wherein the number of coating layers of the isolation oil is 4, and the drying time of the isolation oil is 60 min;
step four, final preparation: putting the raw materials prepared in the third step into normal-temperature water, taking out the film with patterns after the water-soluble base paper is completely dissolved in the water, drying for 30min, adhering the film to a product to be adhered, and integrally baking for 60min, wherein the temperature of the normal-temperature water is 45 ℃ and the baking temperature is 155 ℃.
Example 3:
the low-temperature bright gold stained paper comprises the following selected materials: 3 parts of water-soluble base paper, 10 parts of gold stamping base oil, 10 parts of barrier oil, 13 parts of film, 4 parts of ethyl cellulose, 4 parts of cellulose nitrate, 4 parts of polyvinyl acetate, 4 parts of polyamide resin, 7 parts of water-based gold powder and 85 parts of water.
The invention also provides a low-temperature bright gold stained paper printing method, which comprises the following steps:
step one, preparing gold powder ink: the ethyl cellulose is heated to be in a molten state, then the polyamide resin is added to the ethyl cellulose in the molten state according to the ratio of the ethyl cellulose to the polyamide resin being 2:1, thereby obtaining the pre-treatment printing ink, mixing polyvinyl acetate and an emulsifier, dissolving the mixture in a water phase, thereby obtaining an emulsified polymer, then mixing the cellulose nitrate solution with the emulsion polymer according to the proportion of 1:4 to obtain polymer ink, finally adding the pretreatment ink, the polymer ink and the aqueous gold powder into a high-speed stirrer according to the proportion of 8:5:2, so as to prepare the gold powder ink, the heating temperature of the ethyl cellulose is set to 145 ℃, the emulsifier is a substance capable of improving the surface tension among various constituent phases in the emulsion to form a uniform and stable dispersion system or emulsion, the high-speed stirrer rotates for 30min at the rotating speed of 1400 r/min;
step two, preliminary preparation: preparing a required pattern by using a film, placing the film on the surface of water-soluble base paper, uniformly coating gold powder ink prepared in the step one on the surface of the film, printing gold stamping base oil (8 wt% of gold stamping base oil curing agent needs to be added and fully stirred to be printed) by using 250-mesh printing and priming for 5 times, wherein the interval time of priming and priming is 50min, drying the gold stamping base oil by using a gold stamping machine, and controlling the temperature of the gold stamping machine to be 140 ℃ when the gold stamping base oil is embossed;
step three, preparing again: coating isolation oil on the surface of the bottom of the gold stamping base oil in the step two, after the isolation oil is dried, attaching water-soluble base paper to the surface of the isolation oil again to achieve the protection effect on the gold stamping base oil and the isolation oil and avoid oxidation reaction of the gold stamping base oil and the isolation oil in an external environment, wherein the number of coating layers of the isolation oil is 3, and the drying time of the isolation oil is 48 min;
step four, final preparation: putting the raw materials prepared in the third step into normal-temperature water, taking out the film with patterns after the water-soluble base paper is completely dissolved in the water, drying for 25min, adhering the film to a product to be adhered, and integrally baking for 50min, wherein the temperature of the normal-temperature water is 40 ℃ and the baking temperature is 140 ℃.
Tables were generated from the data of examples 1-3:
number of times of applying barrier oil Number of priming coats Baking temperature Consumption energy rate
Example 1 2 times (one time) 3 times of 135℃ 75wtwt%
Example 2 4 times (twice) 6 times of 155℃ 90wtwt%
Example 3 3 times of 5 times (twice) 140℃ 83wtwt%
According to the table, it can be seen that: the isolation oil is coated to increase the protection of the bright gold stained paper, the embossment direction of the surface of the product can be increased, the integral three-dimensional effect of patterns on the surface of the product is enhanced, the patterns are hardly corroded by the outside air along with the increase of the coating times, the integration of the product is further increased, the situation that the surface of the product is exploded or falls off is prevented, the gold stamping base oil performs multiple-time priming on the surface of a film sheet, the three-dimensional effect of the patterns is further enhanced, the adhesion effect of the bright gold stained paper can be increased by ethyl cellulose, polyvinyl acetate and polyamide resin in the gold powder ink, the ethyl cellulose can be melted under the baking state, the bright gold stained paper is further ensured to be adhered to the surface of the product, the softening point of the ethyl cellulose can be reached when the temperature is 135-155 ℃, and the gold powder ink is required to be ensured not to drip when the bright gold stained paper is adhered, the integrity of the gold stamping base oil is also ensured under the condition of ensuring the rapid softening of the ethyl cellulose, and the falling of the bright gold stained paper is avoided.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (6)

1. The low-temperature bright gold stained paper is characterized by comprising the following selected materials: 2-4 parts of water-soluble base paper, 8-12 parts of gold stamping base oil, 8-12 parts of barrier oil, 12-14 parts of film, 3-5 parts of ethyl cellulose, 3-5 parts of cellulose nitrate, 3-5 parts of polyvinyl acetate, 3-5 parts of polyamide resin, 5-9 parts of water-based gold powder and 80-90 parts of water.
2. The invention also provides a low-temperature bright gold stained paper printing method which is characterized by comprising the following steps of:
step one, preparing gold powder ink: heating ethyl cellulose to be in a molten state, adding polyamide resin into the ethyl cellulose in the molten state according to the proportion of 2:1 of the ethyl cellulose and the polyamide resin to obtain pretreated ink, mixing polyvinyl acetate and an emulsifier, dissolving the mixture in a water phase to obtain an emulsified polymer, mixing a cellulose nitrate solution and the emulsified polymer according to the proportion of 1:4 to obtain polymer ink, and finally adding the pretreated ink, the polymer ink and aqueous gold powder into a high-speed stirrer according to the proportion of 8:5:2 to obtain gold powder ink;
step two, preliminary preparation: preparing a required pattern by using a film, placing the film on the surface of water-soluble base paper, uniformly coating the gold powder ink prepared in the step one on the surface of the film, printing gold stamping base oil (8 wt% of gold stamping base oil curing agent needs to be added and fully stirred to be printed) by adopting 250-mesh printing and priming for 3-6 times;
step three, preparing again: coating isolation oil on the surface of the bottom of the gold stamping base oil in the step two, and after the isolation oil is dried, attaching water-soluble base paper to the surface of the isolation oil again to achieve the protection effect on the gold stamping base oil and the isolation oil and avoid oxidation reaction of the gold stamping base oil and the isolation oil in an external environment;
step four, final preparation: putting the raw materials prepared in the third step into normal temperature water, taking out the film with patterns after the water-soluble base paper is completely dissolved in the water, drying for 20-30 min, sticking the film on a product to be stuck, and integrally baking for 40-60 min.
3. The printing method of low-temperature bright gold stained paper as claimed in claim 2, wherein: in the first step, the heating temperature of the ethyl cellulose is set to be 135-155 ℃, the emulsifier is a substance capable of improving the surface tension among various constituent phases in the emulsion to form a uniform and stable dispersion system or emulsion, and the high-speed stirrer rotates for 20-40 min at the rotating speed of 1200-1500 r/min.
4. The printing method of low-temperature bright gold stained paper as claimed in claim 2, wherein: in the second step, the interval time of the priming coating is 40-60 min, the gold stamping base oil is dried by a gold stamping machine, the embossed concave-convex shape of the gold stamping base oil appears, and the temperature of the gold stamping machine is 120-150 ℃ when the gold stamping machine works.
5. The printing method of low-temperature bright gold stained paper as claimed in claim 2, wherein: in the third step, the number of the coating layers of the insulating oil is 2-4, and the drying time of the insulating oil is 35-60 min.
6. The printing method of low-temperature bright gold stained paper as claimed in claim 2, wherein: in the fourth step, the temperature of the normal temperature water is 35-45 ℃, and the baking temperature is 135-155 ℃.
CN201811053055.3A 2018-09-10 2018-09-10 Low-temperature bright gold stained paper and printing method thereof Pending CN110884270A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

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Publication number Priority date Publication date Assignee Title
CN102922889A (en) * 2012-11-12 2013-02-13 泸州金鑫印务有限公司 Low-temperature bright golden decal and printing method thereof
CN103273750A (en) * 2013-05-28 2013-09-04 泸州金鑫印务有限公司 Low-temperature empaistic bright gold stained paper and printing method thereof
CN104553407A (en) * 2013-10-28 2015-04-29 泸州金鑫印务有限公司 Novel printing technology of low-temperature bright golden pattern paper
CN104760437A (en) * 2014-01-06 2015-07-08 泸州金鑫印务有限公司 Invisible ultraviolet fluorescent falsification-preventing low-temperature bright hot-stamping paper and printing method thereof
CN104817892A (en) * 2015-05-18 2015-08-05 泸州金鑫科技有限公司 Intelligent voice stained paper anti-counterfeiting ink and printing method thereof
CN104999820A (en) * 2015-07-10 2015-10-28 祥和彩瓷制造(上海)有限公司 Preparation method for low-temperature embossed gold stamping patterned paper and low-temperature embossed gold stamping patterned paper
CN105015206A (en) * 2015-07-23 2015-11-04 安徽江南春包装科技有限公司 Hydrographics transfer printing digital anti-counterfeit stained paper and printing method thereof
CN105015203A (en) * 2015-08-25 2015-11-04 烟台汇利包装彩印有限公司 Printing method of anti-counterfeiting low-temperature bright gold decal paper

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Publication number Priority date Publication date Assignee Title
CN102922889A (en) * 2012-11-12 2013-02-13 泸州金鑫印务有限公司 Low-temperature bright golden decal and printing method thereof
CN103273750A (en) * 2013-05-28 2013-09-04 泸州金鑫印务有限公司 Low-temperature empaistic bright gold stained paper and printing method thereof
CN104553407A (en) * 2013-10-28 2015-04-29 泸州金鑫印务有限公司 Novel printing technology of low-temperature bright golden pattern paper
CN104760437A (en) * 2014-01-06 2015-07-08 泸州金鑫印务有限公司 Invisible ultraviolet fluorescent falsification-preventing low-temperature bright hot-stamping paper and printing method thereof
CN104817892A (en) * 2015-05-18 2015-08-05 泸州金鑫科技有限公司 Intelligent voice stained paper anti-counterfeiting ink and printing method thereof
CN104999820A (en) * 2015-07-10 2015-10-28 祥和彩瓷制造(上海)有限公司 Preparation method for low-temperature embossed gold stamping patterned paper and low-temperature embossed gold stamping patterned paper
CN105015206A (en) * 2015-07-23 2015-11-04 安徽江南春包装科技有限公司 Hydrographics transfer printing digital anti-counterfeit stained paper and printing method thereof
CN105015203A (en) * 2015-08-25 2015-11-04 烟台汇利包装彩印有限公司 Printing method of anti-counterfeiting low-temperature bright gold decal paper

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

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