CN103774493B - A kind of laser direct plating paper and preparation method thereof - Google Patents
A kind of laser direct plating paper and preparation method thereof Download PDFInfo
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Abstract
The present invention relates to a kind of laser direct plating paper and preparation method thereof, described preparation method comprises the following steps: that (1) applies: in specification be 50 ~ 70g/ ㎡ LWC on apply laser information layer, described laser information layer is made up of the component of following weight percents: radium-shine base resinizes 65.0 ~ 68.0% in advance, ethanol 15.0 ~ 20.0%, second fat 8.0 ~ 12.0%, butanone 8.0 ~ 12.0%, dry after coating; (2) laser molding: will be coated with the LWC of laser information layer by moulding press mold pressing, the roller of described moulding press has some radium-shine decorative patterns by laser engraving, 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.The laser direct plating paper that method of the present invention obtains easily is degraded, environmental friendliness, can be degradable, laser direct plating paper of the present invention also have wear-resisting scratch resistance, easily printing can be false proof etc. advantage, the fields such as tobacco bale, Beer, gift wrap, decoration decoration can be widely used in.
Description
Technical field
The invention belongs to wrapping paper technical field, relate to a kind of laser direct plating paper and preparation method thereof specifically.
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 ", in the inner packing being widely used in the products such as high-grade cigarette inside lining paper, beer label paper, health products, medicine, cosmetics and commecial label.Radium-shine and metallic luster effect is obtained in order to make paper, paper surface must have coating, to reach laser molding and vacuum aluminium plating process requirement, the laser paper that current domestic and international market occurs is obtained by traditional method: one is be compounded on paper by laser film, the obtained laser paper of the method has and is difficult to degraded, shortcoming not environmentally; Two is that radium-shine transfer on paper, the method technique is more complicated by the mode of laser transfer membrane by transfer, and the quality of production controls difficulty, the defects 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) carries out laser molding to BOPP film; (2) coating is applied by the mold pressing surface of the BOPP film of compounding machine after laser molding, with by this paper and BOPP film coated face compound; (3) BOPP film and paper are peeled off; (4) paper after stripping is put into aluminum-spraying machine, aluminize in transfer coated face; (5) coating is coated with in the face of aluminizing of paper, then dry.Transfer method and straight plating method merge by this invention mutually, suitably simplify technological process, but still have following deficiency: use BOPP film in (1) technique, and BOPP film is difficult to recycling, and 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, very easily product substandard products 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 laser paper that the object of the invention is to solve prior art is not easily degraded, the deficiency of contaminated environment, and provide a kind of laser direct plating paper, this laser direct plating paper belongs to environmentally friendly wrapping paper.
Another object of the present invention be solve prior art laser paper complex manufacturing, production cost is high, production efficiency is low, 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: in specification be 50 ~ 70g/ ㎡ LWC on apply laser information layer, described laser information layer is made up of the component of following weight percents: 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: will be coated with the LWC of laser information layer by moulding press mold pressing, the roller of described moulding press has some radium-shine decorative patterns by laser engraving, and described radium-shine decorative pattern is stamped on LWC by mold pressing;
(3) aluminize;
(4) painted, moisture regain, obtain laser direct plating paper product, the moisture content of the laser direct plating paper product that the present invention obtains is between 5.0 ~ 7.0%.
Laser molding resin is mixed with laser information coating by ethanol, ethyl ester and butanone and is directly coated on LWC by the present invention, then dry acquisition laser information layer, by mold pressing, the radium-shine decorative pattern in moulding press roller is stamped on LWC again, present invention eliminates the compound, the stripping process that adopt BOPP divert film, production technology simplifies greatly, production efficiency significantly improves, defect rate reduces by less than 60% compared with the production of laser transfer directly-plating paper, produce the laser direct plating paper of acquisition without the composition of not easily degrading, environmental friendliness.
In prior art scheme, the specification of LWC is 50 ~ 70g/ ㎡, 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 optimum 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 not easily peeled off, and after mold pressing, the effect of radium-shine decorative pattern impression is optimum, and the radium-shine decorative pattern definition of acquisition, glossiness are the highest.
Further, adopt coater in step (1), the described coating machine speed of a motor vehicle is 30 ~ 40m/min, and coating moisture is 7 ~ 8g/ ㎡, and after coating, baking temperature is 120 ~ 180 DEG C, and drying time is 27 ~ 36s.
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, and the temperature from import to each joint baking oven of outlet is followed successively by: 120 DEG C, 140 DEG C, 160 DEG C, 180 DEG C, 160 DEG C, 130 DEG C.Coating, drying are carried out continuously, production automation degree is high, and production efficiency is high, and the LWC experience thermograde that first low rear height is low being again coated with laser information layer is dry, can improve the quality of laser information layer further, thus the radium-shine decorative pattern obtaining more high-quality for mold pressing lays the foundation.
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 DEG C, the moulding press that moulding press of the present invention adopts Wenzhou City Xin Xu printing packaging Machinery Co., Ltd. to produce.
Further, described radium-shine decorative pattern is opal shape, snowflake shape, pentalpha or tree leaf-shaped.
Further, coating machine used of aluminizing in step (3) is selected without diffusion pump type composite membrane coating machine, this nothing diffusion pump type composite membrane coating machine is existing open in the patent of invention of 102994957A at publication number, described without diffusion pump type composite membrane coating machine be furnished with vacuum coating equipment inclined arrangement type evaporation boat system (patent No. be 2012205803046 utility model patent existing open) and the adjustable evaporation boat system of vacuum coating equipment height (patent No. be 201205498984 utility model patent existing open), the speed of a motor vehicle of coating machine is 500m/min, and vacuum is 5 × 10
-2pa, the aluminum layer thickness obtained of aluminizing is 2.2 side Europe.Without spreading, pump type composite membrane coating machine energy consumption is low, start-up time is short, vacuumizing effect good, adopts nothing diffusion pump type composite film coating machine to aluminize and reduces production cost on the one hand, improve production efficiency, on the other hand, the aluminium lamination obtained is fine and close, and wear-resisting scratch resistance, is not easily destroyed.
The invention has the beneficial effects as follows:
(1) laser direct plating paper that method of the present invention is obtained is easily degraded, environmental friendliness, can be degradable, overcome the defect that laser film is compounded in laser paper obtained 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, the fields such as tobacco bale, Beer, gift wrap, decoration decoration can be widely used in;
(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, overcomes laser transfer membrane and prepares the complex process of laser paper, wastage of material is large, production efficiency is low deficiency by the mode shifted.
Detailed description of the invention
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 convenient source;
Without the adjustable evaporation boat system of diffusion pump composite membrane coating machine, vacuum coating equipment inclined arrangement type evaporation boat system and vacuum coating equipment height purchased from the grand vast and boundless enterprise development Fa Xian company in Shanghai.
embodiment 1:
A preparation method for laser direct plating paper, described preparation method comprises the following steps:
(1) apply: in specification be 50g/ ㎡ LWC on adopt coater laser information layer, described laser information layer is made up of the component of following weight percents: 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, temperature from import to each joint baking oven of outlet is followed successively by: 120 DEG C, 140 DEG C, 160 DEG C, 180 DEG C, 160 DEG C, 130 DEG C, the described coating machine speed of a motor vehicle is 30m/min, coating moisture is 7g/ ㎡, after coating, baking temperature is 120 ~ 180 DEG C, drying time is 36s.
(2) laser molding: will the LWC of laser information layer be coated with by 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 DEG C.
(3) aluminize, coating machine used of aluminizing is selected without diffusion pump type 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 type 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 obtained 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: in specification be 70g/ ㎡ LWC on adopt coater laser information layer, described laser information layer is made up of the component of following weight percents: 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, temperature from import to each joint baking oven of outlet is followed successively by: 120 DEG C, 140 DEG C, 160 DEG C, 180 DEG C, 160 DEG C, 130 DEG C, the described coating machine speed of a motor vehicle is 40m/min, coating moisture is 8g/ ㎡, after coating, baking temperature is 120 ~ 180 DEG C, drying time is 27s.
(2) laser molding: will the LWC of laser information layer be coated with by 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 DEG C.
(3) aluminize, coating machine used of aluminizing is selected without diffusion pump type 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 type 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 obtained 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: in specification be 60g/ ㎡ LWC on adopt coater laser information layer, described laser information layer is made up of the component of following weight percents: 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, temperature from import to each joint baking oven of outlet is followed successively by: 120 DEG C, 140 DEG C, 160 DEG C, 180 DEG C, 160 DEG C, 130 DEG C, the described coating machine speed of a motor vehicle is 40m/min, coating moisture is 7.5g/ ㎡, after coating, baking temperature is 120 ~ 180 DEG C, drying time is 27s.
(2) laser molding: will the LWC of laser information layer be coated with by 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 DEG C.
(3) aluminize, coating machine used of aluminizing is selected without diffusion pump type 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 type 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 obtained 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: in specification be 60g/ ㎡ LWC on adopt coater laser information layer, described laser information layer is made up of the component of following weight percents: 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, temperature from import to each joint baking oven of outlet is followed successively by: 120 DEG C, 140 DEG C, 160 DEG C, 180 DEG C, 160 DEG C, 130 DEG C, the described coating machine speed of a motor vehicle is 30m/min, coating moisture is 7.5g/ ㎡, after coating, baking temperature is 120 ~ 180 DEG C, drying time is 36s.
(2) laser molding: will the LWC of laser information layer be coated with by 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 DEG C.
(3) aluminize, coating machine used of aluminizing is selected without diffusion pump type 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 type 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 obtained of aluminizing is 2.2 side Europe.
(4) painted, moisture regain, obtains laser direct plating paper product.
The laser direct plating paper obtained to embodiment 1-4 by People's Republic of China (PRC) packaging industry standard BB/T0054-2010 carries out performance test
1, main external appearance quality index
As seen from the above table, the laser direct plating paper main external appearance quality index that embodiment 1-4 obtains 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 obtains meet the requirement of high-class product.
In sum, laser direct plating paper quality index appearance of the present invention and physical performance index excellent, meet the standard of high-class product, therefore, the present invention has outstanding substantive distinguishing features and significant progressive.
Above-described embodiment is one of the present invention preferably scheme, not does any pro forma restriction to the present invention, also has other variant and remodeling under the prerequisite not exceeding the technical scheme described in claim.
Claims (4)
1. a preparation method for laser direct plating paper, is characterized in that: described preparation method comprises the following steps:
(1) apply: be 50 ~ 70g/m in specification
2lWC on apply laser information layer, described laser information layer is made up of the component of following weight percents: laser molding resin 65.0 ~ 68.0%, ethanol 15.0 ~ 20.0%, ethyl ester 8.0 ~ 12.0%, butanone 8.0 ~ 12.0%, dry after coating;
(2) laser molding: will be coated with the LWC of laser information layer by moulding press mold pressing, the roller of described moulding press has some radium-shine decorative patterns by laser engraving, 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;
Adopt coater in step (1), the described coating machine speed of a motor vehicle is 30 ~ 40m/min, and coating moisture is 7 ~ 8g/m
2, after coating, baking temperature is 120 ~ 180 DEG C, and drying time is 27 ~ 36s;
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 DEG C;
Coating machine used of aluminizing in step (3) is selected without diffusion pump type 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 type 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 obtained of aluminizing is 2.2 side Europe.
2. the preparation method of a kind of laser direct plating paper according to claim 1, is characterized in that: in step (1), the specification of LWC is 60g/m
2, laser information layer is made up of the component of following weight percents: laser molding resin 66.0%, ethanol 17.0%, ethyl ester 10.0%, butanone 7.0%.
3. the preparation method of a kind of laser direct plating paper according to claim 1, it is characterized in that: described coating captain 20m, the wherein long 18m of baking oven, described baking oven divides six joints, and the temperature from import to each joint baking oven of outlet is followed successively by: 120 DEG C, 140 DEG C, 160 DEG C, 180 DEG C, 160 DEG C, 130 DEG C.
4. 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.
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| CN104354484B (en) * | 2014-09-23 | 2016-08-17 | 汕尾高峰科特纸业有限公司 | A kind of aluminum-free transparent laser environment-protection tobacco lining paper preparation method |
| 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 |
| 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 |
| 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 |
| 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 |
| CN112626924B (en) * | 2020-12-11 | 2023-02-07 | 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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| CN1724811A (en) * | 2005-07-12 | 2006-01-25 | 张学毅 | Environmental protection type laser transfer composite aluminium foil paper and its preparation technology |
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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 |