CN103774493A - Laser direct plating paper and preparation method thereof - Google Patents
Laser direct plating paper and preparation method thereof Download PDFInfo
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- CN103774493A CN103774493A CN201410009562.2A CN201410009562A CN103774493A CN 103774493 A CN103774493 A CN 103774493A CN 201410009562 A CN201410009562 A CN 201410009562A CN 103774493 A CN103774493 A CN 103774493A
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Abstract
The invention relates to laser direct plating paper and a preparation method thereof. The preparation method comprises the following steps: (1) coating: coating a lightweight coated paper with the specification of 50-70g/m<2> by using a laser information layer, and drying after the coating is over, wherein the laser information layer comprises the following compositions in percentage by weight: 65.0-68.0% of laser-based precoated resin, 15.0-20.0% of ethanol, 8.0-12.0% of ethyl ester, and 8.0-12.0% of butanone; (2) laser mould pressing: carrying out mould pressing on the lightweight coated paper coated with the laser information layer through a mould pressing machine, wherein a plurality of laser patterns are carved on a roller of the mould pressing machine, and the laser patterns are imprinted onto the lightweight coated paper through mould pressing; (3) aluminum plating; (4) coloring and regaining moisture, to obtain the laser direct plating paper finished product. The laser direct plating paper finished product is wear-resistant and scratch-resistant, easy to print, anti-counterfeiting and the like, and can be widely applied to the fields of cigarette packets, beer labels, gift packages, decorations and the like.
Description
Technical field
The invention belongs to wrapping paper technical field, relate to specifically a kind of laser direct plating paper and preparation method thereof.
Background technology
Citicall limited aluminium paper is the flexible packaging printing material with good barrier that one has laser anti-counterfeiting effect and metal " aluminium gloss ", has been widely used in the inner packing and commecial label of the products such as high-grade cigarette inside lining paper, beer label paper, health products, medicine, cosmetics.In order to make paper obtain radium-shine and metallic luster effect, paper surface must have coating, to reach laser molding and vacuum aluminium plating process requirement, the laser paper occurring on domestic and international market is at present to make by traditional method: the one, laser film is compounded on paper, the laser paper that the method makes has hard degradation, the shortcoming of not environmental protection; The 2nd, by laser transfer membrane, by the mode shifting, radium-shine transfer, on paper, the method technique is more complicated, quality of production control difficulty, the defect such as wastage of material is large, production efficiency is low, production cost is high.
Publication No. CN101725078A, the Chinese invention patent in date of publication on June 9th, 2010 discloses a kind of method for producing laser transfer directly-plating paper, comprises the steps: that (1) carry out laser molding to BOPP film; (2) with compounding machine, the mold pressing surface of the BOPP film after laser molding applies a coating, with compound by this paper and BOPP film coated face; (3) BOPP film and paper are peeled off; (4) paper after peeling off is put into aluminum-spraying machine, aluminize at transfer coated face; (5) be coated with a coating at the face of aluminizing of paper, then dry.This invention is merged transfer method and straight plating method mutually, has suitably simplified technological process, but has still had following deficiency: in (1) technique, use BOPP film, and BOPP film is difficult to recycling, consumption of raw materials amount is large, and production cost is still very high; (2) BOPP film and paper strip operation are still very loaded down with trivial details, product substandard products very easily in stripping process; (3) the whole technological process of production is still more complicated, and production efficiency is lower, and for this reason, the present invention develops a kind of Novel laser directly plating papers, discloses its preparation method simultaneously.
Summary of the invention
The object of the invention is to solve the difficult degraded of laser paper of prior art, the deficiency of contaminated environment, a kind of laser direct plating paper is provided, this laser direct plating paper belongs to environmentally friendly wrapping paper.
Laser paper complex manufacturing, production cost that another object of the present invention is to solve prior art are high, production efficiency is low, and the deficiency that consumption of raw materials is large provides a kind of preparation method of laser direct plating paper.
The technical solution adopted for the present invention to solve the technical problems is as follows:
A preparation method for laser direct plating paper, described preparation method comprises the following steps:
(1) apply: be to apply laser information layer on the LWC of 50 ~ 70g/ ㎡ in specification, described laser information layer is made up of the component of following percentage by weight: laser molding resin 65.0 ~ 68.0%, ethanol 15.0 ~ 20.0%, second fat 8.0 ~ 12.0%, butanone 8.0 ~ 12.0%, dry after coating;
(2) laser molding: by moulding press mold pressing, the roller of described moulding press has some radium-shine decorative patterns by laser engraving by the LWC that is coated with laser information layer, and described radium-shine decorative pattern is stamped on LWC by mold pressing;
(3) aluminize;
(4) painted, moisture regain, obtains laser direct plating paper product, and the moisture content of the laser direct plating paper product that the present invention makes is between 5.0 ~ 7.0%.
The present invention is mixed with laser information coating by laser molding resin by ethanol, ethyl ester and butanone and is directly coated on LWC, then the dry laser information layer that obtains, by mold pressing, the radium-shine decorative pattern in moulding press roller is stamped on LWC again, the present invention has saved compound, the stripping process that adopt BOPP divert film, production technology is simplified greatly, production efficiency significantly improves, defect rate reduces below 60% compared with the production of laser transfer directly-plating paper, produce the laser direct plating paper obtaining without the composition that is difficult for degraded, environmental friendliness.
In technical scheme, the specification of LWC is 50 ~ 70g/ ㎡ above, for obtaining top quality laser direct plating paper, the present invention has done further optimization to technique scheme, in step (1), the specification optimum value of LWC is 60g/ ㎡, the best proportioning of laser information layer each component is as follows: laser molding resin 66.0%, ethanol 17.0%, second fat 10.0%, butanone 7.0%, % is weight percentage.Under this technical scheme, the laser information layer flatness of acquisition is best, and laser information layer is difficult for peeling off, the effect optimum of radium-shine decorative pattern impression after mold pressing, and the radium-shine decorative pattern definition of acquisition, glossiness are the highest.
Further, adopt coating machine to apply in step (1), the described coating machine speed of a motor vehicle is 30 ~ 40m/min, and the wet amount of coating is 7 ~ 8g/ ㎡, and after applying, baking temperature is 120 ~ 180 ℃, and be 27 ~ 36s drying time.
Further, the THG1600L type coating machine that described coating machine adopts vast Machinery Co., Ltd. of Wenzhou City to produce, described coating captain 20m, the wherein long 18m of baking oven, described baking oven divides six joints, is followed successively by from import to the temperature that exports each joint baking oven: 120 ℃, 140 ℃, 160 ℃, 180 ℃, 160 ℃, 130 ℃.Apply, be dried and carry out continuously, production automation degree is high, and production efficiency is high, the LWC experience that is coated with laser information layer first low rear height low thermograde is dry again, can further improve the quality of laser information layer, thereby lay the foundation for mold pressing obtains the more radium-shine decorative pattern of high-quality.
Further, in step (2), the speed of a motor vehicle of moulding press is 30 ~ 40m/min, and molding pressure is 0.3Mpa, and molding temperature is 140 ~ 160 ℃, the moulding press that moulding press of the present invention adopts the Xin Xu of Wenzhou City printing packaging Machinery Co., Ltd. to produce.
Further, described radium-shine decorative pattern is opal shape, snowflake shape, pentalpha or tree leaf-shaped.
Further, the coating machine used of aluminizing in step (3) is selected without diffusion pump formula composite membrane coating machine, existing open in this patent of invention that is 102994957A at publication number without diffusion pump formula composite membrane coating machine, described be furnished with vacuum coating equipment inclined arrangement type evaporation boat system (utility model patent that the patent No. is 2012205803046 is existing open) and the adjustable evaporation boat system of vacuum coating equipment height (utility model patent that the patent No. is 201205498984 is existing open) without diffusion pump formula composite membrane coating machine, the speed of a motor vehicle of coating machine is 500m/min, and vacuum is 5 × 10
-2pa, the aluminum layer thickness obtaining of aluminizing is 2.2 side Europe.Low without diffusion pump formula composite membrane coating machine energy consumption, start-up time is short, vacuumizing effect good, adopts without diffusion pump formula composite film coating machine and aluminizes and on the one hand reduced production cost, has improved production efficiency, on the other hand, the aluminium lamination densification obtaining, wear-resisting scratch resistance, is difficult for destroyed.
The invention has the beneficial effects as follows:
(1) laser direct plating paper that method of the present invention makes is easily degraded, environmental friendliness, can be degradable, overcome the defect that laser film is compounded in the laser paper that makes on paper, and laser direct plating paper of the present invention also have wear-resisting scratch resistance, easily printing can be false proof etc. advantage, can be widely used in the fields such as tobacco bale, Beer, gift wrap, decoration decoration;
(2) method technique of the present invention is simple, and the quality of production is easy to control, and production efficiency is high, and production cost is low, has overcome laser transfer membrane the is prepared laser paper deficiency that complex process, wastage of material are large, production efficiency is low by the mode shifting.
The specific embodiment
Below by specific embodiment, technical scheme of the present invention is described in further detail.
Laser molding resin, ethanol, second fat and butanone are commercial conventional raw material;
Without diffusion pump composite membrane coating machine, vacuum coating equipment inclined arrangement type evaporation boat system and the adjustable evaporation boat system of vacuum coating equipment height purchased from Shanghai grand vast and boundless enterprise development Fa Xian company.
embodiment 1:
A preparation method for laser direct plating paper, described preparation method comprises the following steps:
(1) apply: be on the LWC of 50g/ ㎡, to adopt coating machine to apply laser information layer in specification, described laser information layer is made up of the component of following percentage by weight: laser molding resin 65.0%, ethanol 15.0%, second fat 8.0%, butanone 12.0%, the coating captain 20m that the present invention uses, the wherein long 18m of baking oven, described baking oven divides six joints, be followed successively by from import to the temperature that exports each joint baking oven: 120 ℃, 140 ℃, 160 ℃, 180 ℃, 160 ℃, 130 ℃, the described coating machine speed of a motor vehicle is 30m/min, the wet amount of coating is 7g/ ㎡, after applying, baking temperature is 120 ~ 180 ℃, be 36s drying time.
(2) laser molding: the LWC that is coated with laser information layer is passed through to moulding press mold pressing, the roller of described moulding press has the radium-shine decorative pattern of some opal shapes by laser engraving, described radium-shine decorative pattern is stamped on LWC by mold pressing, the speed of a motor vehicle of moulding press is 30m/min, molding pressure is 0.3Mpa, and molding temperature is 140 ℃.
(3) aluminize, the coating machine used of aluminizing is selected without diffusion pump formula composite membrane coating machine, described be furnished with vacuum coating equipment inclined arrangement type evaporation boat system and the adjustable evaporation boat system of vacuum coating equipment height without diffusion pump formula composite membrane coating machine, and the speed of a motor vehicle of coating machine is 500m/min, and vacuum is 5 × 10
-2pa, the aluminum layer thickness obtaining of aluminizing is 2.2 side Europe.
(4) painted, moisture regain, obtains laser direct plating paper product.
embodiment 2:
A preparation method for laser direct plating paper, described preparation method comprises the following steps:
(1) apply: be on the LWC of 70g/ ㎡, to adopt coating machine to apply laser information layer in specification, described laser information layer is made up of the component of following percentage by weight: laser molding resin 68.0%, ethanol 20.0%, second fat 5.0%, butanone 7.0%, the coating captain 20m that the present invention uses, the wherein long 18m of baking oven, described baking oven divides six joints, be followed successively by from import to the temperature that exports each joint baking oven: 120 ℃, 140 ℃, 160 ℃, 180 ℃, 160 ℃, 130 ℃, the described coating machine speed of a motor vehicle is 40m/min, the wet amount of coating is 8g/ ㎡, after applying, baking temperature is 120 ~ 180 ℃, be 27s drying time.
(2) laser molding: the LWC that is coated with laser information layer is passed through to moulding press mold pressing, the roller of described moulding press has the radium-shine decorative pattern of some snowflake shapes by laser engraving, described radium-shine decorative pattern is stamped on LWC by mold pressing, the speed of a motor vehicle of moulding press is 40m/min, molding pressure is 0.3Mpa, and molding temperature is 160 ℃.
(3) aluminize, the coating machine used of aluminizing is selected without diffusion pump formula composite membrane coating machine, described be furnished with vacuum coating equipment inclined arrangement type evaporation boat system and the adjustable evaporation boat system of vacuum coating equipment height without diffusion pump formula composite membrane coating machine, and the speed of a motor vehicle of coating machine is 500m/min, and vacuum is 5 × 10
-2pa, the aluminum layer thickness obtaining of aluminizing is 2.2 side Europe.
(4) painted, moisture regain, obtains laser direct plating paper product.
embodiment 3:
A preparation method for laser direct plating paper, described preparation method comprises the following steps:
(1) apply: be on the LWC of 60g/ ㎡, to adopt coating machine to apply laser information layer in specification, described laser information layer is made up of the component of following percentage by weight: laser molding resin 65.0%, ethanol 15.0%, second fat 12.0%, butanone 8.0%, the coating captain 20m that the present invention uses, the wherein long 18m of baking oven, described baking oven divides six joints, be followed successively by from import to the temperature that exports each joint baking oven: 120 ℃, 140 ℃, 160 ℃, 180 ℃, 160 ℃, 130 ℃, the described coating machine speed of a motor vehicle is 40m/min, the wet amount of coating is 7.5g/ ㎡, after applying, baking temperature is 120 ~ 180 ℃, be 27s drying time.
(2) laser molding: the LWC that is coated with laser information layer is passed through to moulding press mold pressing, the roller of described moulding press has the radium-shine decorative pattern of some pentalphas by laser engraving, described radium-shine decorative pattern is stamped on LWC by mold pressing, the speed of a motor vehicle of moulding press is 40m/min, molding pressure is 0.3Mpa, and molding temperature is 150 ℃.
(3) aluminize, the coating machine used of aluminizing is selected without diffusion pump formula composite membrane coating machine, described be furnished with vacuum coating equipment inclined arrangement type evaporation boat system and the adjustable evaporation boat system of vacuum coating equipment height without diffusion pump formula composite membrane coating machine, and the speed of a motor vehicle of coating machine is 500m/min, and vacuum is 5 × 10
-2pa, the aluminum layer thickness obtaining of aluminizing is 2.2 side Europe.
(4) painted, moisture regain, obtains laser direct plating paper product.
embodiment 4:
A preparation method for laser direct plating paper, described preparation method comprises the following steps:
(1) apply: be on the LWC of 60g/ ㎡, to adopt coating machine to apply laser information layer in specification, described laser information layer is made up of the component of following percentage by weight: laser molding resin 66.0%, ethanol 17.0%, second fat 10.0%, butanone 7.0%, the coating captain 20m that the present invention uses, the wherein long 18m of baking oven, described baking oven divides six joints, be followed successively by from import to the temperature that exports each joint baking oven: 120 ℃, 140 ℃, 160 ℃, 180 ℃, 160 ℃, 130 ℃, the described coating machine speed of a motor vehicle is 30m/min, the wet amount of coating is 7.5g/ ㎡, after applying, baking temperature is 120 ~ 180 ℃, be 36s drying time.
(2) laser molding: the LWC that is coated with laser information layer is passed through to moulding press mold pressing, the roller of described moulding press has the radium-shine decorative pattern of some tree leaf-shapeds by laser engraving, described radium-shine decorative pattern is stamped on LWC by mold pressing, the speed of a motor vehicle of moulding press is 40m/min, molding pressure is 0.3Mpa, and molding temperature is 150 ℃.
(3) aluminize, the coating machine used of aluminizing is selected without diffusion pump formula composite membrane coating machine, described be furnished with vacuum coating equipment inclined arrangement type evaporation boat system and the adjustable evaporation boat system of vacuum coating equipment height without diffusion pump formula composite membrane coating machine, and the speed of a motor vehicle of coating machine is 500m/min, and vacuum is 5 × 10
-2pa, the aluminum layer thickness obtaining of aluminizing is 2.2 side Europe.
(4) painted, moisture regain, obtains laser direct plating paper product.
Laser direct plating paper embodiment 1-4 being made by the packaging industry standard BB/T0054-2010 of the People's Republic of China (PRC) carries out performance test
1, main quality index appearance
As seen from the above table, the main quality index appearance of laser direct plating paper that embodiment 1-4 makes meets the requirement of high-class product.
2, Main physical performance indications
As seen from the above table, the laser direct plating paper Main physical performance indications that embodiment 1-4 makes meet the requirement of high-class product.
In sum, laser direct plating paper quality index appearance of the present invention and physical performance index are good, meet the standard of high-class product, and therefore, the present invention has outstanding substantive distinguishing features and significant progressive.
Above-described embodiment is preferably scheme of one of the present invention, not the present invention is done to any pro forma restriction, also has other variant and remodeling under the prerequisite that does not exceed the technical scheme that claim records.
Claims (7)
1. a preparation method for laser direct plating paper, is characterized in that: described preparation method comprises the following steps:
(1) apply: be to apply laser information layer on the LWC of 50 ~ 70g/ ㎡ in specification, described laser information layer is made up of the component of following percentage by weight: laser molding resin 65.0 ~ 68.0%, ethanol 15.0 ~ 20.0%, second fat 8.0 ~ 12.0%, butanone 8.0 ~ 12.0%, dry after coating;
(2) laser molding: by moulding press mold pressing, the roller of described moulding press has some radium-shine decorative patterns by laser engraving by the LWC that is coated with laser information layer, and described radium-shine decorative pattern is stamped on LWC by mold pressing;
(3) aluminize;
(4) painted, moisture regain, obtains laser direct plating paper product.
2. the preparation method of a kind of laser direct plating paper according to claim 1, it is characterized in that: in step (1), the specification of LWC is 60g/ ㎡, and laser information layer is made up of the component of following percentage by weight: laser molding resin 66.0%, ethanol 17.0%, second fat 10.0%, butanone 7.0%.
3. the preparation method of a kind of laser direct plating paper according to claim 1 and 2, it is characterized in that: in step (1), adopt coating machine to apply, the described coating machine speed of a motor vehicle is 30 ~ 40m/min, the wet amount of coating is 7 ~ 8g/ ㎡, after applying, baking temperature is 120 ~ 180 ℃, and be 27 ~ 36s drying time.
4. the preparation method of a kind of laser direct plating paper according to claim 3, it is characterized in that: described coating captain 20m, the wherein long 18m of baking oven, described baking oven divides six joints, is followed successively by from import to the temperature that exports each joint baking oven: 120 ℃, 140 ℃, 160 ℃, 180 ℃, 160 ℃, 130 ℃.
5. the preparation method of a kind of laser direct plating paper according to claim 1, is characterized in that: in step (2), the speed of a motor vehicle of moulding press is 30 ~ 40m/min, and molding pressure is 0.3Mpa, and molding temperature is 140 ~ 160 ℃.
6. the preparation method of a kind of laser direct plating paper according to claim 1, is characterized in that: described radium-shine decorative pattern is opal shape, snowflake shape, pentalpha or tree leaf-shaped.
7. the preparation method of a kind of laser direct plating paper according to claim 1, it is characterized in that: the coating machine used of aluminizing in step (3) is selected without diffusion pump formula composite membrane coating machine, described be furnished with vacuum coating equipment inclined arrangement type evaporation boat system and the adjustable evaporation boat system of vacuum coating equipment height without diffusion pump formula composite membrane coating machine, the speed of a motor vehicle of coating machine is 500m/min, and vacuum is 5 × 10
-2pa, the aluminum layer thickness obtaining of aluminizing is 2.2 side Europe.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104354484A (en) * | 2014-09-23 | 2015-02-18 | 汕尾高峰科特纸业有限公司 | Preparation method of aluminum-free transparent laser environmental-protection inner liner for cigarette |
| CN105584241A (en) * | 2014-10-24 | 2016-05-18 | 中丰田光电科技(珠海)有限公司 | Production method of spliced cat eyes and laser relief patterns |
| CN106868931A (en) * | 2017-04-07 | 2017-06-20 | 广州市花都联华包装材料有限公司 | A kind of constant humidity is guaranteed the quality fragrant vacuum aluminum-coated tobacco lining paper and its manufacturing process |
| CN106868932A (en) * | 2017-04-07 | 2017-06-20 | 广州市花都联华包装材料有限公司 | A kind of constant humidity guarantee the quality perfume (or spice) aluminize transfer tobacco lining paper and its manufacturing process |
| CN106868933A (en) * | 2017-04-07 | 2017-06-20 | 广州市花都联华包装材料有限公司 | A kind of constant humidity is guaranteed the quality fragrant aluminium foil compound tobacco lining paper and its manufacturing process |
| CN106894294A (en) * | 2017-04-07 | 2017-06-27 | 广州市花都联华包装材料有限公司 | A kind of constant humidity guarantees the quality perfume without aluminium tobacco lining paper and its manufacturing process |
| CN112626924A (en) * | 2020-12-11 | 2021-04-09 | 上海天臣微纳米科技股份有限公司 | Cat eye positioning holographic paper and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104354484A (en) * | 2014-09-23 | 2015-02-18 | 汕尾高峰科特纸业有限公司 | Preparation method of aluminum-free transparent laser environmental-protection inner liner for cigarette |
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| CN105584241A (en) * | 2014-10-24 | 2016-05-18 | 中丰田光电科技(珠海)有限公司 | Production method of spliced cat eyes and laser relief patterns |
| CN105584241B (en) * | 2014-10-24 | 2018-12-14 | 中丰田光电科技(珠海)有限公司 | Splice the production method of opal, radium-shine embossing pattern |
| CN106894294A (en) * | 2017-04-07 | 2017-06-27 | 广州市花都联华包装材料有限公司 | A kind of constant humidity guarantees the quality perfume without aluminium tobacco lining paper and its manufacturing process |
| CN106868933A (en) * | 2017-04-07 | 2017-06-20 | 广州市花都联华包装材料有限公司 | A kind of constant humidity is guaranteed the quality fragrant aluminium foil compound tobacco lining paper and its manufacturing process |
| CN106868932A (en) * | 2017-04-07 | 2017-06-20 | 广州市花都联华包装材料有限公司 | A kind of constant humidity guarantee the quality perfume (or spice) aluminize transfer tobacco lining paper and its manufacturing process |
| CN106868933B (en) * | 2017-04-07 | 2018-09-25 | 广州市花都联华包装材料有限公司 | A kind of constant humidity is guaranteed the quality the compound tobacco lining paper of fragrant aluminium foil and its manufacturing process |
| CN106868931B (en) * | 2017-04-07 | 2018-09-25 | 广州市花都联华包装材料有限公司 | A kind of constant humidity is guaranteed the quality fragrant vacuum aluminum-coated tobacco lining paper and its manufacturing process |
| CN106868932B (en) * | 2017-04-07 | 2018-10-26 | 广州市花都联华包装材料有限公司 | A kind of constant humidity perfume (or spice) of guaranteeing the quality is aluminized transfer tobacco lining paper and its manufacturing process |
| CN106868931A (en) * | 2017-04-07 | 2017-06-20 | 广州市花都联华包装材料有限公司 | A kind of constant humidity is guaranteed the quality fragrant vacuum aluminum-coated tobacco lining paper and its manufacturing process |
| US11421386B2 (en) | 2017-04-07 | 2022-08-23 | Guangzhou Huadu Lianhua Packing Material Co., Ltd. | Inner liner for a cigarette |
| CN112626924A (en) * | 2020-12-11 | 2021-04-09 | 上海天臣微纳米科技股份有限公司 | Cat eye positioning holographic paper and preparation method and application thereof |
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Denomination of invention: A Laser Direct Plating Paper and Its Preparation Method Effective date of registration: 20230926 Granted publication date: 20160127 Pledgee: Industrial and Commercial Bank of China Limited Longgang sub branch Pledgor: WENZHOU HONGDA LASER PICTURE Co.,Ltd. Registration number: Y2023330002190 |