CN110039935A - A kind of high definition transfer film of no separating agent layer and its preparation and application - Google Patents
A kind of high definition transfer film of no separating agent layer and its preparation and application Download PDFInfo
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- CN110039935A CN110039935A CN201910250901.9A CN201910250901A CN110039935A CN 110039935 A CN110039935 A CN 110039935A CN 201910250901 A CN201910250901 A CN 201910250901A CN 110039935 A CN110039935 A CN 110039935A
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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
- B41M5/025—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
- B44C1/16—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like
- B44C1/165—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like for decalcomanias; sheet material therefor
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Abstract
The invention discloses a kind of high definition transfer films of no separating agent layer, including carrier thin film and color modulation ink powder picture and text layer, and obtain using digital wheel transfer brush mechanism is standby, and peel strength is 0.03N/25mm~0.11N/25mm；The carrier thin film is transparent non-polar plastic film, and printing surface corona value is 30mN/M~37mN/M；The corona value of the color modulation ink powder picture and text layer is 38mN/M~60mN/M, and material component includes thermoplastic resin；The number rotary press is based on LED or laser array ink powder electrofax principle is Polaroid, the color modulation ink powder picture and text layer is heated into pressurization fusing superposition and is fixed on the carrier thin film surface, solve that existing transfer film printed pixels are relatively low, and shallow site shows the problems such as performance is relatively low.
Description
Technical field
The present invention relates to the high definition transfer films and its preparation side of a kind of transfer technique more particularly to a kind of no separating agent layer
Method and application in thermal transfer field.
Background technique
Traditional printing technology such as slip through the net printing, letterpress, intaglio printing, offset printing be printed industry generally use,
And it is very suitable for big single, long list, also for people institute, what's frequently heard can be repeated in detail.And intersect from conventional printing techniques and Other subjects, industry
Emerging printing technology derived from merging, is also constantly developed, and trans-printing is exactly wherein great representative one kind.
Picture and text in intermediate vector are shifted using condition appropriate, such as temperature, pressure, time and facility appropriate
And it is cured to the printing process on stock and is referred to as transferring.According to the difference of method condition, transfer can be divided into thermal transfer, scald
Gold, cold wave transfer, sublimation transfer, air pressure transfer, in-mold transfer printing, water transfer etc..
Currently, the printing image-text in intermediate vector, it be unable to do without galley, either gravure, flexo, offset printing or simple
Wire mark, bat printing require to make a plate, moreover, the cost of some plate-making is very high, such as electric carving version, the laser version of gravure,
This is a considerable burden.And various plate-making have specific program and technique requirement, that is, have the specific plate-making time cycle
Demand, and substantially, the technique of plate-making can not be restored inversely, when careless mistake and flaw occurs in lithography process, it is likely that
Entire plate-making work will make a new start, or even connect the picture proof of most initial and require modification processing, these require a large amount of working hours.
Prior, some mask-making technologies have its objective limitation, if screen printing, the convex pixel shown that prints are relatively low,
Shallow site shows the relatively low situation of performance, fineness is required, high-grade requirement, naturally there are deficiencies.
And the production of any transfer film, even the production of small lot or upper machine are drawn a design again, all be unable to do without chromatography alignment and
Certainly there is printing process and directly generate waste in the most basic requirement of color alignment.
Chinese patent publication No. CN101734030A discloses " a kind of pictures and texts on surface of irregular object printing process and dress
Set " a kind of transfer film of two-layer structure is disclosed, but its substrate is confined to the water-solubility membranes such as PVA, starch, and ink is confined to tradition
Solvent type pigment ink, do not have digital printing preparation feasibility, transfer film itself can only be applied to it is curved draped, i.e.,
Water transfer, cannot extend use, there are serious application obstacle and limitations.
" a kind of method of film trans-printing " disclosed in Chinese patent ZL201110201842 also provides one kind only
Using the method for the transfer film of two-layer structure and its in-mold transfer printing, although there is distinctive feature in structure, and meet conscientiously
The industrialized production of in-mold transfer printing, but the preparation of the transfer film also uses conventional gravure printing press to print, and technique is opposite to be fallen
Afterwards, it can not achieve high-resolution high definition printing, short partial loss loss-rate example is more, and its plastic uptake type PVC carrier film heat resistance is low, pole
Vulnerable to thermal deformation, it is not appropriate for the outer thermal transfer of mould in fact, even also to add to realize thermal transfer outside mould and apply solvent type back
Glue, once plus apply solvent type gum, just inevitably result in transfer film production complicate, structure is complicated change and pollute
And loss, equally exist apparent defect and application limitation.
Chinese patent distribution CN201710006596 discloses " a kind of transfer film of digital printing preparation, preparation method
And its application ", the method for using digital wheel transfer brush mechanism standby obtains great raising for advanced degree, with
Thermoplastic polyurethane is that the color toner of main material cooperates aqueous wax layer also to have the very high feature of environmental protection really, but is not described
The image resolution ratio of printing image-text uses water-borne wax to be superimposed coating solvent type glue as separating agent layer and on colored picture and text layer
The production method of water, equally inevitably resulted in production complicate, structure is complicated change and pollute and be lost, it is more important
, which is applied to after the outer thermal transfer of mould, is equal on the printing surface of stock there are one layer of aqueous wax layer, this for
Stock following process, the following process for especially thering is adhesion to require, such as gold stamping, ultrasonic bonding, glue bonding, overlapping transfer
Deng the critical defect that can not adhere to all is brought, the great property improved is equally existed.
Summary of the invention
The technical problem to be solved by the embodiment of the invention is that overcoming defect of the existing technology, a kind of benefit is provided
With the different substitution separating agent layer of corona value difference, and use the high definition transfer film and preparation method and application of digital printing technology, benefit
It is different with corona value difference, especially carrier thin film, printing ink powder, the natural corona value difference xor technology means intervention between stock
Caused corona value difference is different, cooperates creative modulation printing ink powder, goes to replace and exempt separating agent layer, glue layer, thoroughly real
Existing transfer film truly most simple two-layer structure, moreover, layer of ink is thick and solid, three-dimensional sense is strong, weatherability is high, printing image-text image
Resolution ratio also reaches the clarity of surprising 1200dpi, exquisite beyond compare.
In order to solve the above-mentioned technical problem, the embodiment of the invention provides a kind of high definition transfer film of no separating agent layer, benefits
With the different substitution separating agent layer of corona value difference, pass through the different separation and transfer to control high definition transfer film of suitable corona value difference.It should
High definition transfer film includes carrier thin film and color modulation ink powder picture and text layer, and is obtained using digital wheel transfer brush mechanism is standby, stripping
It is 0.03N/25mm~0.11N/25mm from intensity；The carrier thin film is transparent non-polar plastic film, printing surface corona
Value is 30mN/M~37mN/M；The corona value of the color modulation ink powder picture and text layer is 38mN/M~60mN/M, material component
Including thermoplastic resin；The number rotary press is based on LED or laser array ink powder electrofax principle is Polaroid,
The color modulation ink powder picture and text layer is heated into pressurization fusing superposition and is fixed on the carrier thin film surface.
Further, the material of the color modulation ink powder picture and text layer includes following component: thermoplastic acrylic resin
45%~60%, chlorinated polypropylene 25%~35%, pigment 0~20%, dyestuff 0~5%, magnetic iron oxide 0.2%~
0.8%, dielectric additive 1.5%~3%.
Further, it is thin by the digital rotary press to be fixed on the carrier for the color modulation ink powder picture and text layer
Fixed temperature when film surface is 80 DEG C~105 DEG C.
Further, the ink powder fineness of the color modulation ink powder picture and text layer is 4 microns~10 microns；The modulation is color
Image chromatography error≤± 0.0254mm of color ink powder picture and text layer；Image resolution ratio >=1200dpi of the high definition transfer film.
Further, after the digital rotary press can simultaneously print the color modulation ink powder picture and text layer altogether
Machine sided corona treatment, the color modulation ink powder picture and text layer its corona value after sided corona treatment is 38mN/M~60mN/M.
Further, the color modulation ink powder picture and text layer includes CMYK color, white, spot color, one in technical color
Kind is a variety of；When the color modulation ink powder picture and text layer is monochrome toner coverage rate 100%, monochrome toner dosage is about 3.5g/
㎡~5.5g/ ㎡；The monochromatic field printing density 1.2~2.4 of the CMYK color.
Further, standby using digital wheel transfer brush mechanism, it can be prepared into including table watermark patterns picture and text, inner watermark patterns figure
One of text, local picture and text, comprehensive picture and text, miniature picture and text, variable data picture and text, safe-guarding and anti-counterfeiting element picture and text are a variety of.
Further, the transparent non-polar plastic film is BOPP film or PE film；The BOPP film is
The bright non-corona film of biaxial tension, with a thickness of 20 microns~50 microns；The PE film is transparent non-corona film, micro- with a thickness of 50
Rice~80 microns.
Correspondingly, the present invention also provides a kind of preparations of the high definition transfer film of no separating agent layer, comprising the following steps:
S1: selecting BOPP film or PE film as carrier thin film, and corona value is 30mN/M~37mN/M's；
S2: using corona value for 38mN/M~60mN/M, and material includes following component: thermoplastic acrylic resin 45%~
60%, poly- third resin 25%~35% of chlorination, pigment 0~20%, dyestuff 0~5%, magnetic iron oxide 0.2%~0.8%, electricity
The color modulation ink powder of medium additive 1.5%~3%；
S3: the color modulation ink powder includes CMYK color, white, spot color, one or more in technical color, and ink powder is thin
Degree is 4 microns~10 microns；
S4: the mode of picture and text, including table watermark patterns picture and text, inner watermark patterns picture and text, local picture and text, comprehensive picture and text, contracting are determined
One of micro- picture and text, variable data picture and text, safe-guarding and anti-counterfeiting element picture and text are a variety of；
S5: using the digital rotary press Polaroid based on LED or laser array ink powder electrofax principle, mating
The color modulation ink powder is implemented to print to picture and text, and image resolution ratio >=1200dpi of picture and text, the chromatography Wu Cha of picture and text≤±
0.0254mm, CMYK color monochrome field printing density 1.2~2.4, when monochrome toner coverage rate is 100%, monochrome toner dosage
For 3.5g/ ㎡~5.5g/ ㎡；
S6: the main fixing roller of the number rotary press is by the color modulation ink powder with 80 DEG C~105 DEG C of temperature
Heating pressurization fusing is superimposed and is fixed on the carrier thin film surface, forms color modulation ink powder picture and text layer；
S7: the auxiliary fixing roller of the number rotary press is to the color toner picture and text layer on the carrier thin film
Fixing is rolled again, obtains the high definition transfer film, and the peel strength of the color modulation ink powder picture and text layer is 0.03N/
25mm~0.11N/25mm.
Further, can with the following steps are included:
S8: for the high definition transfer film, using the digital rotary press simultaneously to the color modulation ink powder figure
Literary layer printed after altogether machine sided corona treatment, corona value of the color modulation ink powder picture and text layer after sided corona treatment be 38mN/M~
60mN/M。
Correspondingly, the high definition is turned the present invention also provides a kind of application of the high definition transfer film of no separating agent layer
Die cooperates conventional heat transfer machine that the color modulation ink powder picture and text layer is needed on to the surface of stock, forms firm attachment,
Its adhesive force is 1 grade to 0 grade of ISO or ASTM4B~5B；The stock material include ABS, AS, PVC, PMMA, HIPS,
One of PET, PU, PC, PS metal, timber, melamine；The surface corona value > 38mN/M of the stock；It is described to transfer
The transfer temperature of journey is 120 DEG C~180 DEG C.
Further, the stock material further includes one of PP, PE, glass；When the stock material
When for one of PP, PE, glass, the surface of the stock is pre-processed before transfer, the stock after pretreatment
Surface corona value > 38mN/M；The pretreatment includes one of flame treatment, inorganic agent processing or sided corona treatment or more
Kind；The transfer temperature of the transfer process is 120 DEG C~180 DEG C.
The invention has the following advantages that
The present invention had both solved the problems, such as that conventional transfer film picture and text layer transparent can be inspected, and was adapted to market routine thermal transfer
Machine problem, suitable for very extensive material stock problem, and have such as omit printing plate, reduce process, lower loss,
On-demand printing, rapidly and efficiently the advantages of, moreover, its preparation and eliminating participation and the system of organic solvent using overall process
The method for arranging pure physics, realizes safety and environmental protection truly, energy-saving and emission-reduction, the image resolution ratio of 1200dpi, even more
Print quality is increased to a brand-new level, is had an epoch-marking significance.
Detailed description of the invention
Fig. 1 is carrier thin film structural schematic diagram；
Fig. 2 is color modulation ink powder schematic diagram；
Fig. 3 is the digital rotary press structural schematic diagram based on LED or laser array ink powder electrofax principle；
Fig. 4 is to print color modulation ink powder picture and text layer schematic diagram using digital rotary press on carrier thin film；
Fig. 5 be digital rotary press printing element be based on LED or laser array ink powder electrophotographic printer technique into
The schematic illustration of row printing work；
Fig. 6 is digital rotary press image fixing process schematic diagram；
Fig. 7 is a kind of high definition transfer membrane structure diagram of no separating agent layer of the present invention；
Fig. 8 is a kind of thermal transfer application schematic diagram of the high definition transfer film of no separating agent layer of the present invention；
Fig. 9 is stock structural schematic diagram；
Figure 10 is that digital rotary press is total to the synchronous sided corona treatment schematic diagram of machine to the color modulation ink powder picture and text layer after print；
Figure 11 is stock flame treatment schematic diagram.
Wherein:
1 is carrier thin film；
2 be corona value be 38mN/M~60mN/M color modulation ink powder；
3 be the high definition transfer film for completing a kind of no separating agent layer of preparation；
4 be the digital rotary press Polaroid based on LED or laser array ink powder electrofax principle；
5 be the unwinding device of digital rotary press；
6 be the wrap-up of digital rotary press；
7 be the printing element of digital rotary press；
8 be the image fixed cell of digital rotary press；
9 be the synchronous corona unit of digital rotary press；
10 be the LED or laser light source of printing element；
11 be the light source Deflection modulation device of printing element；
12 be the optical conductor of printing element；
13 be the developing apparatus and color toner special container of printing element；
14 be the main fixing roller in digital rotary press image fixed cell；
15 be the auxiliary fixing roller in digital rotary press image fixed cell；
16 be the corona machine of digital rotary press；
17 be the Xelminator of digital rotary press；
18 be the unwinding device of conventional heat transfer machine；
19 be the wrap-up of conventional heat transfer machine；
20 be the heating silica gel roller of conventional heat transfer machine；
21 be the stock that material is ABS；
22 circulating flame treatment production lines；
23 be the flame thrower on flame treatment production line；
24 be the stock that material is PE.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, the present invention is made into one with reference to the accompanying drawing
The detailed description of step.
Embodiment 1
The embodiment of the invention discloses a kind of high definition transfer films of no separating agent layer, are replaced using the different principle of corona value difference and are divided
From oxidant layer, preparation method is as follows:
Shown in referring to Fig.1, can be selected with a thickness of 20 microns~50 microns, surface corona value is the saturating of 30mN/M~37mN/M
The BOPP film of the bright non-corona of biaxial tension is 30mN/M~37mN/M with a thickness of 50 microns~80 microns, surface corona value
Transparent non-corona PE film, as carrier thin film.In the present embodiment, using the BOPP film with a thickness of 23 microns as carrier
Film 1.PE and PP is than more typical non-polar plastic, naturally in the case of preparation, two kinds of Plastic film surface corona values
For 30mN/M~34mN/M, meet choice requirement, and since curtain coating type or calendering type PE film are insufficient in tensile strength,
It is easy to appear in printing preparation process or stretcher strain during thermal transfer, the simple thickness for increasing PE film can not solve very well
Certainly stretching problem, and the increase of the cost of raw material and the transparent decline for inspecting degree of picture and text can be also correspondingly caused, belong to non-
It preferably selects；The tensile strength index of the BOPP film of biaxial tension then fully meets digital printing preparation and thermal transfer application and needs
It asks, wherein 20 microns~30 microns are thickness sections the most suitable, and 23 microns are specifications most commonly seen in the market, because
This, selecting the BOPP film of the specification is selection the most scientific and reasonable.
With reference to Fig. 2, using the color toner of special modulation.
Wherein, the corona value of color modulation ink powder 2 is 38mN/M~60mN/M.
Wherein, the material of color modulation ink powder 2 includes following component: thermoplastic acrylic resin 45%~60%, chlorination
Acrylic resin 25%~35%, pigment 0~20%, dyestuff 0~5%, magnetic iron oxide 0.2%~0.8%, dielectric addition
Agent 1.5%~3%.
Wherein, color modulation ink powder 2 includes one of CMYK color, white, spot color, technical color or a variety of.
Wherein, ink powder fineness is 4 microns~10 microns.
Referring to Fig. 3, the digital rotary press Polaroid based on LED or laser array ink powder electrofax principle is selected
4.Digital 4 both ends of rotary press are provided with unwinding device 5 and wrap-up 6, and the film route sequence of wearing of printing machine passes through printing
Unit 7, image fixed cell 8, synchronous corona unit 9.
Wherein, which can be realized the printing of image resolution ratio >=1200dpi high definition.
Wherein, which has the function of table watermark patterns, inner watermark patterns printing functionality, full version printing function
The function and miniature to 0.7 pound of printing type face of function that can, locally print print the function of variable data picture and text, print it
The function of the picture and text of its safety, security element.
By the picture and text of customization according to thermal transfer application demand, the editor of leading picture and text, direction, identical repetition including picture and text
The conversion of horizontal and vertical spacing, picture and text format between picture proof or different picture proof turns curve etc..
Referring to fig. 4, it on the unwinding device 5 of digital rotary printing, loads into a thickness of 23 microns, corona value 30mN/M~
The non-corona BOPP film of the transparent biaxial tension of 34mN/M wears film route and sequence as carrier thin film 1, and according to printing machine,
Each printing element, image fixed cell, synchronous corona unit, static elimination unit including sequentially passing through printing machine, will be thin
Film imports on the wrap-up 6 of printing machine.
To the developing apparatus and color toner special container 13 of each printing element of printing machine；The modulation of each color is added
Ink powder 2, the developing apparatus and color toner special container of each printing element can only be individually added into the modulation ink an of color
Powder.
The electronic document of appropriate customization picture and text has been edited to the input of digital rotary press.
Start digital rotary press and implements presswork, it is disposable completely to complete printing preparation whole process, it obtains later
High definition transfer film 3, and on the wrap-up of printing machine 6.
Wherein: the print speed printing speed of digital rotary press is reduced with the inking increase of area on the spot, and in 70M/min
In the section of~10M/min, the print speed printing speed of watermark patterns part picture and text is best in 20M/min or so transfer film is most conventional
State.
Wherein, complete printing preparation high definition transfer film 3, image resolution ratio be >=1200dpi, each color of image it
Between chromatography error in≤0.0254mm, and axis rolls into a roll, and the diameter of axis volume can be by the rated value of printing machine, can also be according to
Order distinguishes flexibly processing.
Wherein, the high definition transfer film 3 of preparation is completed, watermark patterns in picture and text can be table watermark patterns either can be
Local picture and text either comprehensive picture and text, or the combination of local picture and text and comprehensive picture and text, can be miniature picture and text, variable data
Picture and text, safe-guarding and anti-counterfeiting picture and text etc..
LED is based on referring to the printing element that Fig. 5, Fig. 5 are digital rotary press or laser array ink powder electrofax is beaten
The schematic illustration that print technique works is the description of the refinement to printing element 7, by the standard configuration of digital rotary press,
With LED or laser light source 10, the method scanned through light source Deflection modulation device 11 charges to the optical conductor 12 of printing element, makes it
Latent image；And the charge of the electrically charged ink powder particle institute band of color modulation ink powder 2 and the opposite charge of light guide bulk charging latent image, it utilizes
Coulomb interaction between the two, optical conductor 12 attract the color modulation ink powder 2 in developing apparatus and ink powder special container 13, realize
It is visual to developing by latent image.
Wherein, according to picture proof electronic document, development can be one, multiple independence in each color of color modulation ink powder
Development, combination development and superposition development.
Wherein, when inner watermark patterns, the color-sequential of each printing element is generally, K color, spot color, C color, M color, Y color, white, and
And be these colors one of them, multiple or whole combinations.
Wherein, when table watermark patterns, the color-sequential of each printing element is generally, white, Y color, M color, C color, spot color, K color, and
And be these colors one of them, multiple or whole combinations.
Wherein, the printing of the real color of each printing element realizes a color from latent image to development.
Wherein, when the coverage rate of monochrome toner is 100%, i.e., when full width 100% is developed, the dosage of monochrome toner is
3.5g/ ㎡~5.5g/ ㎡, with ink amount is big, layer of ink is thick and solid, three-dimensional sense is strong.
Wherein, CMYK color monochrome field printing density be 1.2~2.4, substantially exceed such as offset printing, intaglio printing,
Letterpress, the printing density of bat printing are horizontal.
It is digital rotary press image fixing process schematic diagram referring to Fig. 6, Fig. 6, is to the thin of image fixed cell 8
Change description, no matter each color of color modulation ink powder 2 independently develops, combination development or superposition development are all transferred in carrier thin film
On 1, at this point, the temperature of the main fixing roller 14 of the image fixed cell 8 on printing machine is arranged between 80 DEG C~105 DEG C, pressure
Power is arranged between 0.2Mpa~0.4Mpa, under the traction of the collective effect of printing machine unwinding device and wrap-up tension, carries
Body thin film 1 takes transfer and passes through main fixing roller 14 in the ink powder particle of the color modulation ink powder 2 on its surface, is ground by main fixing roller 14
Pressure fusing is superimposed and is fixed on the surface of carrier thin film 1, forms color modulation ink powder picture and text layer.
The deficiency and careless mistake being fixed in order to prevent further improve fixing quality or implement technical segmentation fixing,
Digital rotary press specially devises auxiliary fixing roller 15.The color modulation on high definition transfer film being fixed by fixing roller 14
Ink powder 2 also rolls fixing again by auxiliary fixing roller 15, assists the temperature of fixing roller to be arranged on 80 DEG C~95 at this time
DEG C, pressure is arranged between 0.3Mpa~0.6Mpa.
Fixing roller is adhered during rolling color modulation ink powder with color modulation ink powder in order to prevent, fixing roller 14
Heat-resisting anti-sticking material is all used with 15.
Wherein, fixing roller 14 has carried out Teflon coating with steel rider, strengthens release treatment.
Wherein, auxiliary fixing roller 15 wraps up silica gel with steel rider, strengthens roll surface silicone oil release treatment.
Under regular situation, the figure that the color modulation ink powder 2 on 1 surface of carrier thin film is formed is superimposed and is fixed on through fixing fusing
Literary layer, corona value is 38mN/M~60mN/M, more accurate for 40mN/M~54mN/M, does not need additional electric in principle
Dizzy processing, can directly axis roll into a roll and apply.
The embodiment of the invention also discloses the high definition transfer films through the obtained no separating agent layer of above-mentioned preparation method.
Membrane structure diagram is transferred referring to the high definition that Fig. 7, Fig. 7 are a kind of no separating agent layers of the present invention, wherein color modulation
Ink powder 2, be superimposed and be fixed on carrier thin film 1 surface formed picture and text layer, in conjunction with formed the high definition transfer film 3 without separating agent layer,
Its peel strength shifted is 0.03N/25mm~0.11N/25mm, and color modulation ink powder picture and text layer turns in all transfer applications
Shifting rate is about 100%.
It is shown in Figure 8 the embodiment of the invention also discloses a kind of application of the high definition transfer film of above-mentioned no separating agent layer,
By a kind of high definition transfer film 3 of no separating agent layer of the present invention, mating routine heat transfer machine carries out plasthetics surface heat-transferring and answers
With, high definition transfer film 3 is packed into unreeling for conventional heat transfer machine and fills on 18, and wears film route by heat transfer machine, around film guiding roller and
Silica gel roller 20 accesses on the wrap-up 19 of heat transfer machine, at this time under unwinding device and wrap-up tension draw, silicon
Rubber roller transmission drive under, stock fixture push under and the synchronous effect of silica gel roller pressure and heating etc. under, color modulation ink
The picture and text layer that powder 2 is formed is separated from high definition transfer film 3, is shifted and is cured on the printing face of stock 21, completes one
A transfer process obtains the stock 21 for being printed on customization picture and text.
Wherein: the material of stock is ABS plastic.
Wherein: the hardness of conventional heat transfer machine silica gel roller 20 is O-shaped 50 °~85 ° of shore, surface temperature is 120 DEG C~180
DEG C, pressure cylinder pressurization 0.5Mpa~0.8Mpa, transfer interpreter transfer speed be 4M/min~8M/min.
Fig. 9 is the structural schematic diagram of the present embodiment stock, wherein 21 be material be ABS stock, 2 be it is cured
The color modulation ink powder picture and text layer of surface of the stock.
Wherein, color modulation ink powder 2 formed picture and text layer and stock 21 adhesive force can achieve ISO:0 (ASTM:
5B)。
The present embodiment stock can also be AS, PS, PC, PU, PET, PVC, PMMA, HIPS, timber, metal, melamine etc.,
Its printing face corona value > 38mN/M, 120~180 DEG C of transfer temperature, adhesive force is 1 grade to 0 grade of ISO (ASTM4B~5B).
Embodiment 2
Referring to the method for embodiment 1, a kind of high definition transfer film of no separating agent layer is prepared, specifically, referring to Fig.1~Fig. 7
Description preparation.In the present embodiment, total machine sided corona treatment after being printed to the high definition transfer film.
It is that digital rotary press is total to the synchronous sided corona treatment of machine to color modulation ink powder picture and text layer after print referring to Figure 10, Figure 10
Schematic diagram is the description of the refinement to synchronous corona unit 9, in order to improve degree of protection, adapt to wider range or its
Its purposes, digital rotary press specially devise synchronous corona unit 9, including corona machine 16 and Xelminator 17, according to
It needs, transfer film 3 can choose the picture and text layer surface formed to modulation color toner 2 and synchronize electricity before entering winding
Dizzy processing, makes it further polarize.
Wherein: the electrode discharge alternating voltage of corona treatment 16 be 10000V~15000V, higher frequency 15KHZ~
25KHZ, electrode discharge distance 1mm~3mm.
Wherein: electrode discharge voltage 5000V~6000V of Xelminator 17, ion wind gun air pressure be 0.3Mpa~
0.6Mpa, specific air consumption 300Ni/min~550Ni/min.
Through sided corona treatment and eliminate electrostatic modulation ink powder picture and text layer 2 corona value be 38mN/M~60mN/M, it is more smart
True is 42mN/M~56mN/M.The transfer film 3 for completing corona can be rolled into a roll and be applied with axis.
Ink powder picture and text layer due to sided corona treatment just for transfer film further polarizes, and does not bring the difference in structure
It is different, therefore its structural schematic diagram is referring to shown in Fig. 7.
The embodiment of the invention also discloses the high definition transfer films without separating agent layer obtained through above-mentioned preparation method.
The embodiment of the invention also discloses a kind of application of the high definition transfer film of above-mentioned no separating agent layer, the present embodiment selections
The material of stock be thermoplasticity PE material, and stock is subjected to flame treatment.
It is shown in Figure 11, stock 24 is placed on the station of circulating flame treatment production line 22, stock is in life
Producing line conveyer belt close production line flame thrower 23 under driving, the coal gas of flame thrower 23 burning definite composition and proportion,
Formation temperature is up to 1000 DEG C~1600 DEG C of oxidizing flame, covers to 24 surface of stock moved close to, flame spray
Distance of the injector spray tip away from stock 24 about 20cm.
Stock 24 through flame treatment, the corona value >=47mN/M on surface.
Thermal transfer application is carried out to the present embodiment transfer film, referring now still to shown in Fig. 9, to 24 table of stock through flame treatment
Face carries out thermal transfer, and the technological parameter of transfer obtains the stock 24 for being printed on customization picture and text referring to embodiment 1.
Referring to Fig.1 shown in 0, Figure 10 simultaneously be also the present embodiment stock structural schematic diagram, wherein 24 be material be PE
Stock, 2 be the cured color modulation ink powder picture and text layer in surface of the stock.
Wherein, the adhesive force of color modulation ink powder 2 is formed picture and text layer and stock 24 is 1 grade to 0 grade (ASTM4B of ISO
~5B).
Wherein, the present embodiment stock can also be PP, glass etc..
Embodiment 3
Shown in referring to Fig.1~10, this example discloses the preparation and application of a kind of high definition transfer film of no separating agent layer, step
Suddenly identical as the embodiment of the present invention 1, embodiment 2, difference is, used carrier film 1 is 20 microns, surface corona value is
The BOPP film of the non-corona of transparent biaxial tension of 30mN/M~37mN/M, color modulation ink powder 2 used are black monochromatic, ink powder
When coverage rate 100%, i.e. full width 100% are developed, the dosage of monochrome toner is 3.5g/ ㎡~5.5g/ ㎡, measures big, layer of ink with ink
It is thick and solid.
The transfer film that layer of ink is thick and solid, weatherability is strong is prepared, can be used as the thermal transfer of heat transfer printing carbon tape or substitution routine
The adhesive force of carbon ribbon, picture and text layer and stock that the rear color modulation ink powder 2 of transfer application is formed can achieve 1 grade to 0 of ISO
Grade (ASTM4B~5B), image resolution ratio >=1200dpi, pattern stereoscopic impression is strong, and advantage is prominent.
Embodiment 4
Shown in referring to Fig.1~10, this example discloses the preparation and application of a kind of high definition transfer film of no separating agent layer, step
Suddenly identical as the embodiment of the present invention 1, embodiment 2, difference is, used carrier film is 50 microns of thickness, surface corona value is
The BOPP film of the non-corona of transparent biaxial tension of 30mN/M~37mN/M, color modulation ink powder 2 used are CMYK color, are not provided with
White background, CMYK color monochrome field printing density are 1.2~2.4, specifically, are as follows: C 1.6~1.9, M 1.45~1.8, Y 1.2
It is horizontal to substantially exceed such as offset printing, intaglio printing, letterpress, the printing density of bat printing by~1.5, K 2.0~2.4.
The picture and text layer and stock that layer of ink is thick and solid, high definition transfer film, is formed using rear color modulation ink powder 2 is prepared
Adhesive force can achieve 1 grade to 0 grade of ISO (ASTM4B~5B), printing image-text image resolution ratio can reach surprising
The clarity of 1200dpi, it is exquisite beyond compare.
Embodiment 5
Shown in referring to Fig.1~10, this example discloses the preparation and application of a kind of high definition transfer film of no separating agent layer, step
Suddenly identical as the embodiment of the present invention 1, embodiment 2, difference is, used carrier film is 50 microns of thickness, surface corona value is
The transparent non-corona PE film of 30mN/M~37mN/M.
The high definition transfer film that layer of ink is thick and solid, three-dimensional sense is strong, weatherability is high is prepared, using rear 2 shape of color modulation ink powder
At picture and text layer and the adhesive force of stock can achieve 1 grade to 0 grade of ISO (ASTM4B~5B), printing image-text image resolution ratio
The clarity of surprising 1200dpi can be reached, it is exquisite beyond compare.
Embodiment 6
Shown in referring to Fig.1~10, this example discloses the preparation and application of a kind of high definition transfer film of no separating agent layer, step
Suddenly identical as the embodiment of the present invention 1, embodiment 2, difference is, used carrier film is 80 microns of thickness, surface corona value is
The transparent non-corona PE film of 30mN/M~37mN/M.
The high definition transfer film that layer of ink is thick and solid, three-dimensional sense is strong, weatherability is high is prepared, using rear 2 shape of color modulation ink powder
At picture and text layer and the adhesive force of stock can achieve 1 grade to 0 grade of ISO (ASTM4B~5B), printing image-text image resolution ratio
The clarity of surprising 1200dpi can be reached, it is exquisite beyond compare.
Comparative example 1
Shown in referring to Fig.1~10, this example discloses the preparation and application of a kind of transfer film, and used carrier film 1 is that PET is thin
Film, remaining material and step are identical as the embodiment of the present invention 1, embodiment 2.
PET film printing surface corona value is excessively high at this time, reaches 44mN/M~50mN/M, can not be controlled 30mN/M~
In the range of 37mN/M, the color toner picture and text layer 2 of the transfer film prepared is tightly attached in PET film, can not be shelled
From the peel strength of 0.03N/25mm~0.11N/25mm can not be reached, and transfer film is not available.
Comparative example 2
Shown in referring to Fig.1~10, this example discloses the preparation and application of a kind of transfer film, and used carrier film 1 is that PVC is thin
Film, remaining material and step are identical as the embodiment of the present invention 1, embodiment 2.
At this point, reaching 44mN/M or more, another party's surface and PVC is thin since PVC film one side printing surface corona value is excessively high
The heat resistance of film is poor, and in printing process, the heating and rolling through printing owner's fixing roller and auxiliary fixing roller, appearance is not advised
Deformation then, the color toner picture and text layer adhered in PVC film also distort or are distorted therewith, can not be controlled
In the range of 30mN/M~37mN/M, the transfer film prepared can not both be removed, and can not also meet the normal condition of picture proof, be turned
Die is not available.
Above the showed only present pre-ferred embodiments, cannot limit the right model of the present invention certainly with this
It encloses, therefore equivalent changes made in accordance with the claims of the present invention, is still within the scope of the present invention.
Claims (12)
1. a kind of high definition transfer film of no separating agent layer, which is characterized in that including carrier thin film and color modulation ink powder picture and text layer,
And obtained using digital wheel transfer brush mechanism is standby, peel strength is 0.03N/25mm~0.11N/25mm；The carrier thin film
For transparent non-polar plastic film, printing surface corona value is 30mN/M~37mN/M；The color modulation ink powder picture and text layer
Corona value is 38mN/M~60mN/M, and material component includes thermoplastic resin；It is described number rotary press be based on LED or
Laser array ink powder electrofax principle is Polaroid, by color modulation ink powder picture and text layer heating pressurization fusing superposition and admittedly
Due to the carrier thin film surface.
2. the high definition transfer film without separating agent layer according to claim 1, which is characterized in that the color modulation ink powder picture and text
The material of layer includes following component: thermoplastic acrylic resin 45%~60%, chlorinated polypropylene 25%~35%, pigment
0~20%, dyestuff 0~5%, magnetic iron oxide 0.2%~0.8%, dielectric additive 1.5%~3%.
3. the high definition transfer film without separating agent layer according to claim 1, which is characterized in that the color modulation ink powder picture and text
Fixed temperature when layer is fixed on the carrier thin film surface by the digital rotary press is 80 DEG C~105 DEG C.
4. the high definition transfer film without separating agent layer according to claim 1, which is characterized in that the color modulation ink powder picture and text
The ink powder fineness of layer is 4 microns~10 microns；Image chromatography Wu Cha≤± 0.0254mm of the color modulation ink powder picture and text layer；
Image resolution ratio >=1200dpi of the high definition transfer film.
5. the high definition transfer film without separating agent layer according to claim 1, which is characterized in that the number rotary press can
With simultaneously the color modulation ink powder picture and text layer is printed after altogether machine sided corona treatment, the color modulation ink powder picture and text layer is through electricity
Its corona value is 38mN/M~60mN/M after dizzy processing.
6. the high definition transfer film without separating agent layer according to claim 1, which is characterized in that the color modulation ink powder picture and text
Layer includes one of CMYK color, white, spot color, technical color or a variety of；When the color modulation ink powder picture and text layer is single
When color ink powder coverage rate 100%, monochrome toner dosage is 3.5g/ ㎡~5.5g/ ㎡；The monochromatic field printing of the CMYK color is close
Degree is 1.2~2.4.
7. the high definition transfer film without separating agent layer according to claim 1, which is characterized in that transfer brush mechanism using digital wheel
It is standby, can be prepared into including table watermark patterns picture and text, inner watermark patterns picture and text, local picture and text, comprehensive picture and text, miniature picture and text, can parameter
According to one of picture and text, safe-guarding and anti-counterfeiting element picture and text or a variety of.
8. the high definition transfer film without separating agent layer according to claim 1, which is characterized in that the transparent non-polar plastic is thin
Film is BOPP film or PE film；The BOPP film is the non-corona film of transparent biaxial tension, with a thickness of 20 microns~50
Micron；The PE film is transparent non-corona film, with a thickness of 50 microns~80 microns.
9. a kind of preparation of the high definition transfer film without separating agent layer according to claim 1, which is characterized in that including following step
It is rapid:
S1: selecting BOPP film or PE film as carrier thin film, and corona value is 30mN/M~37mN/M's；
S2: using corona value for 38mN/M~60mN/M, and material includes following component: thermoplastic acrylic resin 45%~
60%, poly- third resin 25%~35% of chlorination, pigment 0~20%, dyestuff 0~5%, magnetic iron oxide 0.2%~0.8%, electricity
The color modulation ink powder of medium additive 1.5%~3%；
S3: the color modulation ink powder includes one of CMYK color, white, spot color, technical color or a variety of, ink powder fineness
It is 4 microns~10 microns；
S4: the mode of picture and text, including table watermark patterns picture and text, inner watermark patterns picture and text, local picture and text, comprehensive picture and text, micro image are determined
One of text, variable data picture and text, safe-guarding and anti-counterfeiting element picture and text are a variety of；
S5: using the digital rotary press Polaroid based on LED or laser array ink powder electrofax principle, mating described
Color modulation ink powder is implemented to print to picture and text, and image resolution ratio >=1200dpi of picture and text, the chromatography Wu Cha of picture and text≤±
0.0254mm, CMYK color monochrome field printing density 1.2~2.4, when monochrome toner coverage rate is 100%, monochrome toner dosage
For 3.5g/ ㎡~5.5g/ ㎡；
S6: the main fixing roller of the number rotary press heats the color modulation ink powder with 80 DEG C~105 DEG C of temperature
Pressurization fusing is superimposed and is fixed on the carrier thin film surface, forms color modulation ink powder picture and text layer；
S7: the auxiliary fixing roller of the number rotary press carries out the color toner picture and text layer on the carrier thin film
Roll fixing again, obtain the high definition transfer film, the peel strength of the color modulation ink powder picture and text layer be 0.03N/25mm~
0.11N/25mm。
10. the preparation process of the high definition transfer film without separating agent layer according to claim 9, which is characterized in that can also wrap
Include following steps:
S8: for the high definition transfer film, using the digital rotary press simultaneously to the color modulation ink powder picture and text layer
After being printed altogether machine sided corona treatment, corona value of the color modulation ink powder picture and text layer after sided corona treatment be 38mN/M~
60mN/M。
11. a kind of application of the high definition transfer film without separating agent layer according to claim 1, which is characterized in that by the height
Clear transfer film cooperates conventional heat transfer machine that the color modulation ink powder picture and text layer is needed on to the surface of stock, is formed securely attached
, adhesive force is 1 grade to 0 grade of ISO or ASTM4B~5B；The stock material include ABS, AS, PVC, PMMA, HIPS,
One of PET, PU, PC, PS, metal, timber, melamine；The surface corona value > 38mN/M of the stock；It is described to transfer
The transfer temperature of journey is 120 DEG C~180 DEG C.
12. the application of the high definition transfer film without separating agent layer according to claim 11, which is characterized in that the stock material
Matter further includes one of PP, PE, glass；When the stock material is one of PP, PE, glass, before transfer
The surface of the stock is pre-processed, the surface corona value > 38mN/M of the stock after pretreatment；The pre- place
Reason includes one of flame treatment, inorganic agent processing or sided corona treatment or a variety of；The transfer temperature of the transfer process is 120
DEG C~180 DEG C.
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| CN115195316A (en) * | 2022-07-05 | 2022-10-18 | 北京工业大学 | 3D object surface color printing method |
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