CN109552711A - A method of product packaging is carried out using liquid metal - Google Patents
A method of product packaging is carried out using liquid metal Download PDFInfo
- Publication number
- CN109552711A CN109552711A CN201710882619.3A CN201710882619A CN109552711A CN 109552711 A CN109552711 A CN 109552711A CN 201710882619 A CN201710882619 A CN 201710882619A CN 109552711 A CN109552711 A CN 109552711A
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- Prior art keywords
- liquid metal
- spraying
- product
- printing
- finishing coat
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
- B65B61/02—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for perforating, scoring, slitting, or applying code or date marks on material prior to packaging
- B65B61/025—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for perforating, scoring, slitting, or applying code or date marks on material prior to packaging for applying, e.g. printing, code or date marks on material prior to packaging
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
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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
-
- 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
- B41M1/12—Stencil printing; Silk-screen printing
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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
- B41M5/0041—Digital printing on surfaces other than ordinary paper
- B41M5/0058—Digital printing on surfaces other than ordinary paper on metals and oxidised metal surfaces
Abstract
The present invention provides a kind of methods for carrying out product packaging using liquid metal, comprising: S1 prints previously prepared liquid metal by previously prepared pattern template to be printed on the surface of product to be packaged, obtains liquid metal wrapper；S2 prepares the Lacquer finish protective layer of transparent flexible on the surface of the liquid metal wrapper.The present invention avoids technological operation complicated in product packaging, printing process is easy, pollution-free, and has excellent anticorrosion and ageing-resistant effect by printing liquid metal on the surface of product to be packaged；It can be prolonged the service life by Lacquer finish protective layer, be obviously improved the aesthetics of product；Using the electric conductivity of liquid metal, Packing graph can be converted to can illuminating circuit, increase the attraction of product.
Description
Technical field
The present invention relates to product packaging technical fields, and in particular to a kind of side that product packaging is carried out using liquid metal
Method.
Background technique
Packaging material, which refers to, meets material used in product packaging requirement for manufacturing packing container, packages printing etc..
Metal packing material has the excellent mechanical property such as secured, resistance to compression, not broken, the excellent integrated protection such as airtight, moisture-proof
Can and the features such as appearance is good, processing performance is good, resourceful.The packaging material of metal, the general appearance and practical focused on.Mesh
The preceding method in mental package process aspect, generally used have vacuum plating, gold stamping, cold wave, anodic oxidation, sprayed aluminum technique and
Magnetron sputtering etc..
Vacuum plating be by vacuumize and electrode in a manner of, to product surface carry out metal coating process.Vacuum plating
It is appropriate for the body of large area and the packaging of bottle cap, the available plastic products with metal effect, common electroplating gold
Category has aluminium, chromium, copper, silver, gold etc..But the product packed using vacuum plating, adhesion strength is weaker, in the use of product
Between it is longer when, the packaging pattern on surface can become blurred.
It is gold stamping be by metal foil hot pressing or only by pressure by way of be transferred to printing item surface, reach a variety of face
The decorative effect of non-ferrous metal texture.Logo and the pattern with various decorative patterns of gold stamping suitable thermoprint complexity etc., need to control temperature
Degree, pressure, speed etc..But gilding technology is not suitable with the article of surface irregularity, and metal, ceramics and glass and other items are uncomfortable
Close and packed using the technique, and there are thermoprint loosely the problems such as.
Anodic oxidation is to form one layer on the surface of aluminium alloy using the method for electrolytic oxidation to have various colors, dicoration
It is packed with protective oxidation film, which is slowly eliminated by more advanced technology.
Magnetron sputtering is to carry enough kinetic energy using target atom to reach the process that the surface of plated article is deposited,
But poor using the product penetrability that the method is packed, there are certain limitations when progress is translucent or all-transparent is packed
Property.
Summary of the invention
In view of the above defects of the prior art, the present invention, which provides, a kind of carries out product packaging using liquid metal
Method.
The present invention provide it is a kind of using liquid metal carry out product packaging method, comprising: S1, by it is previously prepared to
Printed patterns template prints previously prepared liquid metal on the surface of product to be packaged, obtains liquid metal wrapper；
S2 prepares the Lacquer finish protective layer of transparent flexible on the surface of the liquid metal wrapper.
Wherein, the step S1 further comprises that: S11 prints basecoat material on the surface of the product to be packaged, obtains
Take priming coat；S12 prints the liquid by the pattern template to be printed and printing equipment on the surface of the priming coat
State metal, and pass through viscosity, solid content, jet size and the model of control material, spray printing amplitude, spraying flow and spray time
At least one of, fine adjusting is carried out to the thickness of coating, obtains the liquid metal wrapper；Wherein, the printing
Device includes in silk-screen printing device, the ink-jet printed device of ultra micro atomization, write-through printing equipment and gravure apparatus
At least one.
Wherein, the step of printing the liquid metal in the S1, obtain the liquid metal wrapper further comprises:
The liquid metal is provided to the spray head of spray gun；The mode of selection spraying printing carries out spraying printing；And pass through control showerhead hole
At least one of diameter and spraying swath, spray time, spray pattern, liquid metal flux, air mass flow and protective atmosphere, to described
Thickness, the uniformity, glossiness, droplet size, surface roughness and the oxygenation efficiency of liquid metal wrapper are controlled, to adjust
Metallicity, reflectivity and the brightness of the liquid metal wrapper；Wherein, the spraying printing includes usual spray, ultra micro mist
Change spraying；The mode of the spraying printing includes crescent spraying, central point spraying, the spraying of uniform atomizing spraying, schizotype；
In the spraying printing, spray gun includes 10~20cm with a distance from product to be packaged；The time of spraying includes 2~20s；Spraying
Air pressure includes 0.1~0.68MPa.
Wherein, the step S2 further comprises: transparent flexible is encapsulated finishing coat even application to the liquid metal packet
On the surface for filling layer, Lacquer finish protective layer is obtained；It is dry that solidification is carried out to the Lacquer finish protective layer by baking oven and/or UV photo solidification machine
Dry processing.
Wherein, the liquid metal includes at least one of gallium, indium, tin, bismuth, zinc and lead-containing alloy；The alloy packet
Include at least one of bianry alloy, ternary alloy three-partalloy and quaternary alloy；The bianry alloy includes GaZn5Or GaSn8；The liquid
State metal is the liquid metal with certain proportion oxide after persistently stirring 0.5 to 1 hour；The liquid metal includes difference
20~60 DEG C of liquid metal of fusing point.
Wherein, the material of the product to be packaged include PET, PVC, it is common blank sheet of paper, crimped paper, copy paper, honeycomb paper, hard
Paper, bubble paper, Poly suede, sponge, pearl cotton, metal, timber, cloth, acrylic, glass, ceramics, bamboo, natural fiber, chemistry
At least one of fiber and composite material.
Wherein, the transparent flexible encapsulating face enamel-cover includes photocuring finishing coat and spontaneous curing finishing coat；The photocuring finishing coat
Including UV epoxy acrylate finishing coat, UV urethane acrylate finishing coat, UV polyether acrylate finishing coat, UV polyester acrylate
At least one of finishing coat, UV unsaturated polyester (UP) finishing coat；The spontaneous curing finishing coat includes polydimethylsiloxane finishing coat polypropylene
At least one of sour finishing coat, polyurethane finish, alkyd finish, lacquer finish, phenolic size and epoxy finish.
Wherein, the template is embossment structure of the thickness between 10 to 1000 μm, the thickness of the liquid metal wrapper
Between 10 to 500 μm, roughness is 2~10 μm for degree control；The glossiness of the liquid metal wrapper is 15~100, institute
The reflectivity of mental package layer is stated between 70%~90%.
Wherein, the temperature of the liquid metal is higher than 5~10 DEG C of room temperature, the liquid metal wrapper with a thickness of 10~
30 μm, the glossiness of the liquid metal wrapper is 100.
Wherein, the effect of the liquid metal wrapper includes in pictorial trademark, decorative pattern and uniform smooth pattern
At least one；The packaging color effects of the liquid metal wrapper include silvery white, speculum complexion and silvery white to black
Gradual change Transparent color.
The method provided by the invention for carrying out product packaging using liquid metal, by being printed on the surface of product to be packaged
Brush liquid metal avoids technological operation complicated in product packaging, and printing process is easy, pollution-free, and has excellent
Anticorrosion and ageing-resistant effect；It can be prolonged the service life by Lacquer finish protective layer, be obviously improved the aesthetics of product；Utilize liquid
The electric conductivity of state metal, Packing graph can be converted to can illuminating circuit, increase the attraction of product.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the flow diagram of the method provided in an embodiment of the present invention that product packaging is carried out using liquid metal；
Fig. 2 is the signal of the packaging product of the method provided in an embodiment of the present invention that product packaging is carried out using liquid metal
Figure；
The section of the pattern structure of Fig. 3 method provided in an embodiment of the present invention that product packaging is carried out using liquid metal is shown
It is intended to.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical solution in the embodiment of the present invention is explicitly described, it is clear that described embodiment is the present invention
A part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.
Fig. 1 is the flow diagram of the method provided in an embodiment of the present invention that product packaging is carried out using liquid metal, such as
Shown in Fig. 1, comprising: S1 is printed previously prepared by previously prepared pattern template to be printed on the surface of product to be packaged
Liquid metal, obtain liquid metal wrapper；S2 prepares the cover of transparent flexible on the surface of the liquid metal wrapper
Light protection layer.
Wherein, liquid metal (gallium indium eutectic alloy EGaIn) is the metal material that can be flowed under a kind of room temperature, has height
Flexibility, deformability, printability, high surface tension, high conduction performance and nontoxicity are widely used in all kinds of industries
Boundary；Liquid metal has extraordinary mobility and printability, and the liquid metal of different oxide proportions also has difference
Fusing point and adhesiveness；The These characteristics of liquid metal make it possible to carry out the packaging of various product using liquid metal.
Wherein, pattern template to be printed is intended to template corresponding to the pattern printed on product or trade mark logo；?
In printing process, with selected image, figure or object, the image (all or part) of processing is blocked, control figure is carried out
Region or treatment process as processing；It is known as mask or template for the specific image or object of covering.
Wherein, product to be packaged can be various product, such as bath article, toothpaste, cosmetics, cigarette, wine, drug, height
Shelves food, greeting card, invitation card or year calendar.
In step sl, according to the demand of pattern to be printed, pattern template to be printed carries out product to be packaged certain
Block；Liquid metal is printed to the surface of product to be packaged again, liquid metal forms liquid metal wrapper on surface,
The pattern of the liquid metal wrapper is pattern to be printed；It should be noted that the liquid metal figure with metallic luster texture
Layer can spray repeatedly under conditions of protective atmosphere, guarantee that the liquid metal wrapper is not oxidized, make metal polish effect
Reach optimal state.
In step s 2, it after the completion of the liquid metal wrapper after be obtained in step S1, needs to liquid metal wrapper
Certain safeguard measure is carried out, that is, prepares one layer of Lacquer finish protective layer；Lacquer finish protective layer can allow liquid metal and air exclusion, prevent
Only its deformation, change flower, flowing, oxidation etc., while having the effect of extraordinary protection and increasing bright.
Product packaging is completed based on above-mentioned two step；In addition, in actual use, can set on computers any
The program of personalized pattern conveniently prepares the packaging pattern of complicated fineness, is different from the single large-scale packet of traditional pattern
Dress method, which, which packs, can arbitrarily print the customization patterns of various personalizations, it is more flexible with it is humanized.
Also, it, can be by outer layer since the electric conductivity of liquid metal is preferable after carrying out product packaging using liquid metal
Packing graph is directly transformed to the circuit that can be shone, and makes the packaging product while having electrical and optical performance, greatly expands
It is functional.
The method provided in an embodiment of the present invention for carrying out product packaging using liquid metal, passes through the table in product to be packaged
Liquid metal is printed on face, avoids technological operation complicated in product packaging, printing process is easy, pollution-free, and has
Excellent anticorrosion and ageing-resistant effect；It can be prolonged the service life by Lacquer finish protective layer, be obviously improved the aesthetics of product；
Using the electric conductivity of liquid metal, Packing graph can be converted to can illuminating circuit, increase the attraction of product.
Based on any of the above embodiments, the step S1 further comprises: S11, in the product to be packaged
Basecoat material is printed on surface, obtains priming coat；S12, by the pattern template to be printed and printing equipment, in the primary coat
The liquid metal is printed on the surface of layer, and passes through viscosity, solid content, jet size and the model of control material, spray printing width
Degree, spraying at least one of flow and spray time, carry out fine adjusting to the thickness of coating, obtain the liquid metal
Wrapper；Wherein, the printing equipment includes silk-screen printing device, the ink-jet printed device of ultra micro atomization, write-through printing dress
At least one of set with gravure apparatus.
Wherein, there is good viscosity between basecoat material and liquid metal, it is better to be conducive to liquid metal wrapper
It is attached to the surface of product to be packaged.
In step s 11, there is different adhesion strengths to different materials due to liquid metal, and it is not strong for adhesion strength
Material, can first product surface spray basecoat material, obtain priming coat；And when spraying basecoat material, pass through control
Basecoat material viscosity, solid content, jet size and model processed, spray printing amplitude and spray time etc., to adjust primer thickness；And
Can according to demand, the uniform spray printing basecoat material in the whole surface of product to be packaged, or only needing to print liquid metal
Region spray basecoat material.
In step s 12, after priming coat in step s 11 finishes printing, printing equipment and map brushing to be printed be can use
Case template, prints liquid metal on priming coat.And it is possible to carry out the printing of liquid metal, example using a variety of printing equipments
It, can be according to wait wrap such as silk-screen printing device, ink-jet printed device, write-through printing equipment, gravure apparatus or 3D printing
The characteristics of filling product and the specific of pattern are selected.
By printing basecoat material on the surface of product to be packaged, liquid metal is helped preferably to be adsorbed on the table of product
Face prolongs the service life, and effectively prevent falling off for liquid metal.
Based on any of the above embodiments, previously prepared liquid metal is printed in the S1, obtains liquid metal
The step of wrapper, further comprises: providing the liquid metal to the spray head of spray gun；The mode of selection spraying printing is sprayed
Apply printing；And pass through control spray head aperture and spraying swath, spray time, spray pattern, liquid metal flux, air mass flow and protection
At least one of atmosphere, to the thickness of the liquid metal wrapper, the uniformity, glossiness, droplet size, surface roughness
It is controlled with oxygenation efficiency, to adjust metallicity, reflectivity and the brightness of the liquid metal wrapper；Wherein, the spraying
Printing includes usual spray, ultramicro atomization spraying；It is described spraying printing mode include it is crescent spraying, central point spraying,
One atomizing spraying, schizotype spraying；In the spraying printing, spray gun includes 10~20cm with a distance from product to be packaged；Institute
The time for stating spraying includes 2~20s；The air pressure of the spraying includes 0.1~0.68MPa.
Wherein, protective atmosphere is the confining gas environment with corrosion protection component.
Specifically, liquid metal is provided to spray head, by ink-jet film version printing method or the method for silk-screen printing, in different productions
The spray printing liquid metal directly on a surface of product packaging material；When by control different jet size and model, different sprayings
Between, the thickness of the control liquid-metal layer such as protective atmosphere, granular size, oxygenation efficiency, to adjust the light of the liquid metal wrapper
Pool and brightness, reach optimal packaging effect.
Based on any of the above embodiments, the step S2 further comprises: transparent flexible encapsulation finishing coat is uniform
It is sprayed on the surface of the liquid metal wrapper, obtains Lacquer finish protective layer；By baking oven and/or UV photo solidification machine to described
Lacquer finish protective layer carries out curing and drying processing.
Wherein, UV photo solidification machine is to rise to change come the photosensitizer in the equipment of UV curing coating, with UV coating using UV light source
Learn reaction, the cured machine of wink-dry.
Specifically, after the completion of liquid metal wrapper, face cap light protection layer is prepared；Specifically used transparent flexible Lacquer finish
Paint (encapsulation finishing coat)；The finishing varnish is added in spray gun, secondary uniform spraying is carried out to liquid-metal layer, baking is used after having sprayed
Case and UV photo solidification machine etc. are to the transparent protective layer rapid draing.
Based on any of the above embodiments, the liquid metal includes in gallium, indium, tin, bismuth, zinc and lead-containing alloy
It is at least one；The alloy includes at least one of bianry alloy, ternary alloy three-partalloy and quaternary alloy；The bianry alloy includes
GaZn5Or GaSn8；The liquid metal is the liquid metal with certain proportion oxide after persistently stirring 0.5 to 1 hour；Institute
State 20~60 DEG C of the liquid metal that liquid metal includes different melting points.
Wherein, the stirring of different durations is persistently carried out to liquid metal, can obtain the liquid with different ratio oxide
State metal；Also, after liquid metal can slightly stir oxidation in 0.5 to 1 hour, the liquid metal of the small amounts is in PET, PVC
Etc. adhesiveness in materials it is higher.
Based on any of the above embodiments, the material of the product to be packaged includes PET, PVC, common blank sheet of paper, wrinkle
Line paper, copy paper, honeycomb paper, cardboard, bubble paper, Poly suede, sponge, pearl cotton, metal, timber, cloth, acrylic, glass,
At least one of ceramics, bamboo, natural fiber, chemical fibre and composite material.
Method provided in an embodiment of the present invention can pack the product of various materials, have a wide range of applications.
Based on any of the above embodiments, the transparent flexible encapsulating face enamel-cover includes photocuring finishing coat and spontaneous curing
Finishing coat；The photocuring finishing coat includes UV epoxy acrylate finishing coat, UV urethane acrylate finishing coat, UV polyether acrylate
At least one of finishing coat, UV polyester acrylate finishing coat, UV unsaturated polyester (UP) finishing coat；The spontaneous curing finishing coat includes poly- two
In methyl-monosilane finishing coat polyacrylic acid finishing coat, polyurethane finish, alkyd finish, lacquer finish, phenolic size and epoxy finish
It is at least one.
The embodiment of the present invention can select suitable material to encapsulate finishing coat as transparent flexible according to actual needs.
Based on any of the above embodiments, the template is embossment structure of the thickness between 10 to 1000 μm, institute
The thickness control of liquid metal wrapper is stated between 10 to 500 μm, roughness is 2~10 μm；The liquid metal wrapper
Glossiness be 15~100, the reflectivity of the mental package layer is between 70%~90%.
Specifically, template can be embossment structure, obviously and clear convenient for effect with a thickness of 10~1000 μm or so；Mould
Plate can be acrylic, steel membrane version or silk screen etc..
Also, the coating layer thickness of liquid metal can be 10~500 μm, convenient for printing the decorative pattern of large-area ultrathin.?
When spraying, it is desirable that accurate positioning, resolution ratio are higher, and the color effects of the liquid metal wrapper include silvery white, Cheng Liangjin
Belong to texture color etc..
Based on any of the above embodiments, the temperature of the liquid metal is higher than 5~10 DEG C of room temperature, the liquid gold
Belong to wrapper with a thickness of 10~30 μm, the glossiness of the liquid metal wrapper is 100.
Based on any of the above embodiments, the effect of the liquid metal wrapper includes pictorial trademark, decoration figure
At least one of case, gradual change transparent texture and uniform smooth pattern；The packaging color effects packet of the liquid metal wrapper
Include the gradual change Transparent color of silvery white, speculum complexion, silvery white to black.
Specifically, the shape of liquid metal wrapper can be equal for specific pattern, gradual change transparent texture or large area
One smooth pattern etc..
In order to be illustrated to above-described embodiment, illustrate below:
Embodiment 1, Fig. 2 are that the packaging of the method provided in an embodiment of the present invention that product packaging is carried out using liquid metal is produced
The schematic diagram of product, as shown in Fig. 2, 1 is the spray gun equipped with liquid metal in figure；2 print for liquid metal packaging pattern,
Trade mark, bottle cap, and whole body；3 be the initial product to be packed；4 be that liquid metal is utilized to carry out product logo, dress
Adorn the effect after pattern is packed；5 effect to carry out the uniform smooth packaging of large area using liquid metal；Specific steps are such as
Under:
Step 1, it takes the PET bottle of any surface finish to be packed, takes the liquid metal of purity higher (99.99%), prepare
Mask plate with different pattern and trade mark logo；
Step 2, liquid metal is put into spray gun, it is super that metal mask plate progress liquid metal is covered in PET beverage bottle
Micro- atomization ink jet printing, the pattern and trade mark logo after making printing are more exquisite smooth, and thinner thickness, particle is smaller, coarse
It spends small；
Step 3, after liquid metal pattern after to be sprayed is more firm at room temperature, using transparent gloss oil etc. to PET
Bottle carries out very thin encapsulation, to protect the liquid metal figure layer printed；
Step 4, it is completed with the PET liquid metal packing bottle for beverage of pattern and trade mark logo printed words.
Embodiment 2, the pattern structure of Fig. 3 method provided in an embodiment of the present invention that product packaging is carried out using liquid metal
Diagrammatic cross-section, as shown in figure 3,2 be the product to be packed in figure；3 packaging patterns printed for liquid metal；4
For the gloss oil of transparent flexible being packaged in surface of package or acrylate UV curing agent etc..Specific step is as follows:
Step 1, prepare higher melting-point liquid metal at room temperature, prepare cardboard business card, prepare with business card printed words and
The silk screen of pattern；
Step 2, the liquid metal is made to form corresponding word in name on piece printed liquid state metal using the method for silk-screen printing
Body and pattern carry out cover paint protection using acrylate to the outer surface of the business card；
Step 3, prepared by the business card of liquid metal packaging completes.
The method provided in an embodiment of the present invention for carrying out product packaging using liquid metal, compared with traditional operplate printing
It has the advantage that
It is directly packed using liquid metal ink jet printing or silk-screen printing, printing process is easy, pollution-free, avoids
The a series of complex such as front is gold stamping, vacuum plating, magnetron sputtering need high pressure, high temperature, electroplating technique process.It can quickly letter
Just be applied to a large amount of product packaging industry, had both good metal Cheng Liang texture, be obviously improved mental package product
Beauty and experience sense.Its packaged liquid metal figure layer metal luster with higher, significantly better than conventional aluminum silver
Starch the metal luster of wrapper；
The liquid metal packed has excellent anticorrosion, ageing-resistant effect, long after packing and being filled with top stop-off lacquer
Time is exposed to the sun also non-aging in the sun, and weather resistance is high, and service life is longer, and liquid metal packaging figure layer is producing
Product are also recycled using a series of chemical method of simplicity after scrapping, and continue to pack convenient for next time.
The liquid metal product packaging used can set the program of any personalized pattern on computers, conveniently prepare
Complicated exquisite packaging pattern is different from the single large-scale packing method of traditional pattern, and liquid metal packaging can be random
Print the customization pattern of various personalizations, it is more flexible with it is humanized；
It, can be by the packaging of outer layer since the electric conductivity of liquid metal is preferable after carrying out product packaging using liquid metal
Figure is directly transformed to the circuit that can be shone, and makes the packaging product while having electrical and optical performance, greatly expands it
It is functional.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of method for carrying out product packaging using liquid metal characterized by comprising
S1 prints previously prepared liquid gold by previously prepared pattern template to be printed on the surface of product to be packaged
Belong to, obtains liquid metal wrapper；
S2 prepares the Lacquer finish protective layer of transparent flexible on the surface of the liquid metal wrapper.
2. the method according to claim 1, wherein the step S1 further comprises:
S11 prints basecoat material on the surface of the product to be packaged, obtains priming coat；
S12 prints the liquid gold by the pattern template to be printed and printing equipment on the surface of the priming coat
Belong to, and by viscosity, solid content, jet size and the model of control material, spray printing amplitude, spraying flow and spray time
At least one, carries out fine adjusting to the thickness of coating, obtains the liquid metal wrapper；
Wherein, the printing equipment include silk-screen printing device, ultra micro atomization ink-jet printed device, write-through printing equipment and
At least one of gravure apparatus.
3. being obtained the method according to claim 1, wherein printing previously prepared liquid metal in the S1
The step of liquid metal wrapper, further comprises:
The liquid metal is provided to the spray head of spray gun；
The mode of selection spraying printing carries out spraying printing；And pass through control spray head aperture and spraying swath, spray time, spraying mould
At least one of formula, liquid metal flux, air mass flow and protective atmosphere, to the thickness of the liquid metal wrapper,
Evenness, glossiness, droplet size, surface roughness and oxygenation efficiency are controlled, to adjust the gold of the liquid metal wrapper
Category degree, reflectivity and brightness；
Wherein, the spraying printing includes usual spray, ultramicro atomization spraying；The mode of the spraying printing includes crescent spray
Painting, central point spraying, the spraying of uniform atomizing spraying, schizotype；In the spraying printing, spray gun is with a distance from product to be packaged
Including 10~20cm；The time of spraying includes 2~20s；The air pressure of spraying includes 0.1~0.68MPa.
4. the method according to claim 1, wherein the step S2 further comprises:
Transparent flexible is encapsulated on finishing coat even application to the surface of the liquid metal wrapper, Lacquer finish protective layer is obtained；
Curing and drying processing is carried out to the Lacquer finish protective layer by baking oven and/or UV photo solidification machine.
5. the method according to claim 1, wherein the liquid metal includes gallium, indium, tin, bismuth, zinc and lead base
At least one of alloy；The alloy includes at least one of bianry alloy, ternary alloy three-partalloy and quaternary alloy；The binary
Alloy includes GaZn5Or GaSn8；The liquid metal is the liquid with certain proportion oxide after persistently stirring 0.5 to 1 hour
State metal；The liquid metal includes 20~60 DEG C of liquid metal of different melting points.
6. the method according to claim 1, wherein the material of the product to be packaged include PET, PVC, it is common
Blank sheet of paper, crimped paper, copy paper, honeycomb paper, cardboard, bubble paper, Poly suede, sponge, pearl cotton, metal, timber, cloth, Ya Ke
At least one of power, glass, ceramics, bamboo, natural fiber, chemical fibre and composite material.
7. according to the method described in claim 5, it is characterized in that, the transparent flexible encapsulating face enamel-cover include photocuring finishing coat and
Spontaneous curing finishing coat；
The photocuring finishing coat includes UV epoxy acrylate finishing coat, UV urethane acrylate finishing coat, UV polyether acrylate
At least one of finishing coat, UV polyester acrylate finishing coat, UV unsaturated polyester (UP) finishing coat；
The spontaneous curing finishing coat includes polydimethylsiloxane finishing coat polyacrylic acid finishing coat, polyurethane finish, alkyd finish, nitro
At least one of finishing coat, phenolic size and epoxy finish.
8. method according to claim 1 or 5, which is characterized in that the template is thickness between 10 to 1000 μm
Embossment structure, for the thickness control of the liquid metal wrapper between 10 to 500 μm, roughness is 2~10 μm；The liquid
The glossiness of mental package layer is 15~100, and the reflectivity of the mental package layer is between 70%~90%.
9. according to the method described in claim 8, it is characterized in that, the temperature of the liquid metal be higher than 5~10 DEG C of room temperature, institute
State liquid metal wrapper with a thickness of 10~30 μm, the glossiness of the liquid metal wrapper is 100.
10. the method according to claim 1, wherein the effect of the liquid metal wrapper includes trademark image
At least one of case, decorative pattern, gradual change transparent texture and uniform smooth pattern；The packaging face of the liquid metal wrapper
Color effect includes the gradual change Transparent color of silvery white, speculum complexion and silvery white to black.
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