CN104260572B - A kind of magnetic orientation pattern and preparation method thereof - Google Patents

A kind of magnetic orientation pattern and preparation method thereof Download PDF

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Publication number
CN104260572B
CN104260572B CN201410504719.9A CN201410504719A CN104260572B CN 104260572 B CN104260572 B CN 104260572B CN 201410504719 A CN201410504719 A CN 201410504719A CN 104260572 B CN104260572 B CN 104260572B
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coating
magnetic
magnetic orientation
swelling
paint
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CN104260572A (en
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樊长武
邹文格
王荇
阳义峰
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HUIZHOU FORYOU OPTICAL TECHNOLOGY Co Ltd
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HUIZHOU FORYOU OPTICAL TECHNOLOGY Co Ltd
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Abstract

The invention discloses a kind of magnetic orientation pattern and preparation method thereof.Wherein, the preparation method of magnetic orientation pattern includes: provide basal layer;Being coated with the first coating on the base layer, the first coating is contained within multiple first magnetic paint;First coating is dried or solidifies;It is coated with the second coating in the first coating in the dried or cured, and by the second coating, the first coating is carried out swelling;First magnetic paint first coating in swelling to the second coating carries out magnetic orientation;The first coating that second coating and described second coating are swelling is dried or solidifies, to form magnetic orientation pattern.By the way, the present invention can fully reduce the magnetic paint thickness containing carrier layer, and then reduces pigment usage amount.Further, the present invention can obtain the diversified optical effect of excellence, can obtain specific demand ink film performance, can produce again the magnetic induction image of setting.

Description

A kind of magnetic orientation pattern and preparation method thereof
Technical field
The present invention relates to a kind of magnetic orientation pattern and preparation method thereof.
Background technology
The method producing magnetic induction image is usually the ink containing magnetic paint or Coating material composition Thing is coated in substrate, is in the wet film stage in coating and applies external magnetic field immediately and carry out magnetic orientation, Then coating is hardened, form the final element containing magnetic induction image or decorative coveringn.
In the method for existing acquisition magnetic induction image, in coating, contained magnetic paint is when magnetic orientation Sufficiently small resistance is had when must have enough deflection spaces and deflection, therefore must be under wet film state Carry out magnetic orientation.Therefore generally there is following defect in prior art:
1, for relatively thick containing the coating (magnetic paint contains carrier layer) carrying magnetic paint, thickness Preferable magnetic orientation space is had, relatively not less than the magnetic paint contained in coating just can be made during d50/3 Thick coating means that pigment usage amount is big;
2, the aggregate optical effect of magnetic paint is single.
Summary of the invention
The technical problem that present invention mainly solves is to provide a kind of magnetic orientation pattern and preparation method thereof, This magnetic orientation pattern can fully reduce the magnetic paint thickness containing carrier layer, and then reduces pigment use Amount.Further, this magnetic orientation pattern can obtain the diversified optical effect of excellence, can obtain Specific demand ink film performance, can produce again the magnetic induction image of setting.
For solving above-mentioned technical problem, the technical scheme that the present invention uses is: provide a kind of magnetic The preparation method of directivity pattern, this preparation method includes: provide basal layer;It is coated with on the base layer First coating, the first coating is contained within multiple first magnetic paint;First coating is dried or Solidification;The second coating it is coated with in the first coating in the dried or cured, and by the second coating to One coating carries out swelling;First magnetic paint first coating in swelling to the second coating is carried out Magnetic orientation;The first coating that second coating and the second coating are swelling is dried or solidifies, with Form magnetic orientation pattern.
Wherein, the first coating in the dried or cured is coated with the second coating, and by the second coating First coating is carried out swelling step include: the partial zones of the first coating in the dried or cured It is coated with the second coating on territory, and by the second coating, the regional area of the first coating is carried out swelling.
Wherein, the second coating formed and there is the pattern of predetermined meanings, word or numeral, or by Second coating around and expose first coating formed there is the pattern of predetermined meanings, word or number Word.
Wherein, swelling to the second coating the first magnetic paint in the first coating carries out magnetic orientation Step include: in the second coating in the subregion in the swelling region of the first coating, to the first magnetic Property pigment carries out magnetic orientation.
Wherein, the optical effect that magnetic orientation pattern is presented includes by by the first of the second swelling of paint coating The first optical effect that the first magnetic paint after magnetic orientation in coating is formed.
Wherein, the optical effect that magnetic orientation pattern is presented farther includes by not molten by the second coating In the first swollen coating first magnetic paint formed the second optical effect and by by second be coated with The 3rd optics effect that the first magnetic paint without magnetic orientation in the first coating that layer is swelling is formed One or both in Guo.
Wherein, the one or two in the first optical effect and the second optical effect and the 3rd optical effect Plant the zones of different on the surface being distributed in basal layer.
Wherein, the second coating contains non-magnetic pigment or is different from the second magnetic of the first magnetic paint Pigment.
Wherein, the second coating contains infrared markers, fluorescent labeling, trace labelling, holographic false proof mark At least one in note, DNA anti-fake mark, UV labelling and polarisation labelling.
For solving above-mentioned technical problem, another technical solution used in the present invention is: provide one Magnetic orientation pattern, this magnetic orientation pattern includes basal layer and be sequentially arranged on basal layer first Coating and the second coating, the first coating contains the first magnetic paint through magnetic orientation.
Wherein, the first magnetic paint through magnetic orientation is positioned at second coating swollen region to the first coating In territory.
Wherein, the second coating coats the regional area of the first coating, and the local to the first coating Region carries out swelling.
Wherein, the second coating formed and there is the pattern of predetermined meanings, word or numeral, or by Second coating around and expose first coating formed there is the pattern of predetermined meanings, word or number Word.
Wherein, the first magnetic paint through magnetic orientation is positioned at second coating swollen region to the first coating In the subregion in territory.
Wherein, the optical effect that magnetic orientation pattern is presented includes by by the first of the second swelling of paint coating The first optical effect that the first magnetic paint through magnetic orientation in coating is formed.
Wherein, by not formed by the first magnetic paint in the first coating of the second swelling of paint coating Two optical effects and by by the first coating of the second swelling of paint coating without the first of magnetic orientation Magnetic paint formed the 3rd optical effect in one or both.
Wherein, the one or two in the first optical effect and the second optical effect and the 3rd optical effect Plant the zones of different on the surface being distributed in basal layer.
Wherein, the second coating contains non-magnetic pigment or is different from the second magnetic of the first magnetic paint Pigment.
Wherein, the second coating contains infrared markers, fluorescent labeling, trace labelling, holographic false proof mark At least one in note, DNA anti-fake mark, UV labelling and polarisation labelling.
The invention has the beneficial effects as follows: be different from the situation of prior art, the present invention provides a kind of magnetic Directivity pattern and preparation method thereof, the preparation method of this magnetic orientation pattern is arranged at basal layer has magnetic Property pigment the first coating after directly solidification or be dried, and by the second coating, the first coating is carried out After swelling, magnetic paint in first coating is carried out magnetic orientation, thus can fully reduce magnetic face The material thickness containing carrier layer, and then reduce pigment usage amount.Further, can control by the way Make the first coating non-volatile part content and be less than 50%, make the magnetic paint in the first coating to obtain Good tiling performance, optical effect is excellent, then at solidification or dried first coating surface The second coating that can not contain magnetic paint is set, therefore the second coating performance is more easy to be adjusted, from And obtain the ink film performance of needs.
It addition, two secondary coatings of the present invention can produce two or more optical effects, the most swelling The magnetic paint produced optical effect of tiling in region, swelling after not by the magnetic paint of magnetic orientation Freely the most floating produced optical effect, swelling after magnetic produced by magnetic paint after magnetic orientation Directional effect, optical effect variation.Specifically, owing to the first coating can be the thinnest, pigment Tiling effects is preferable, it is provided that a kind of ordinary optical effect, adds the first coating after the second coating not Magnetic orientation part, due to second coating swelling action to the first coating, produces shadow to pigment arrangement Ring, under second coated film refraction action again to light, the another kind of optical effect of generation, second Magnetic orientation part after coating produces magnetic induction image further.Additionally, multi-functional second coating with The magnetic induction image of bottom or ordinary optical effect region carry out chromatography, form multifunctional combination effect Really.
Further, owing to the first coating can be the thinnest, pigment tiling is preferable, therefore color development is effective, with Thicker coating is compared, and relatively low pigment content i.e. can reach preferably optical effect (such as, optics Color changeable effect), or preferably magnetic induction image, save pigment and reduce cost;Simultaneously because coating Thin, it is possible to use relatively small particle pigment, i.e. use d50 pigment below 15 microns to obtain Obtain preferably common optically variable effect and magnetic induction image effect.
The present invention can also add two wires, three line security pigments in the second coating, increases other and prevents During pseudo-pigment, be to add it in the second coating, thus avoid in conventional method multiple pigment with During magnetic paint mixing, increase magnetic orientation resistance, reduce magnetic orientation effect;Avoid pigment simultaneously Increase with binder ratio, cause the negative effect to ink film performance.
Accompanying drawing explanation
Fig. 1 is the flow chart of the preparation method of a kind of magnetic orientation pattern that the embodiment of the present invention provides;
Fig. 2 is the structural representation of a kind of magnetic orientation pattern that the embodiment of the present invention provides;
Fig. 3 is the effect under a kind of positive visual angle combining magnetic orientation pattern that the embodiment of the present invention provides Schematic diagram;
Fig. 4 is the effect signal under the oblique viewing angle of the combination magnetic orientation pattern shown in Fig. 3 of the present invention Figure;
Fig. 5 is a kind of schematic diagram combining magnetic orientation pattern that the embodiment of the present invention provides.
Detailed description of the invention
Refer to the preparation side that Fig. 1, Fig. 1 are a kind of magnetic orientation patterns that the embodiment of the present invention provides The flow chart of method, the preparation method of the present embodiment magnetic orientation pattern includes:
S101: basal layer is provided;
Wherein, basal layer can be fibre-bearing substrate, such as paper or cardboard.Can also be not Fibre-bearing perforated substrate, such as has the plastic-substrates of porous surface, or even has texture The non-porous substrate of that change or uneven surface texture.This basal layer can be transparent, Opaque or translucent.Substrate that is colourless or that colour can also be selected as required.
S102: be coated with the first coating on the base layer, the first coating is contained within multiple first magnetic face Material;
First coating can be coated with according to any mode of printing known in the art, such as ink-jet print Brush, hectographic printing, aniline printing, photogravure, orifice plate printing, letterpress, roller coat Etc..First coating is contained within multiple first magnetic paint.Wherein, magnetic paint refers to Can rearrange under the magnetic orientation effect in magnetic field, and then form the pigment of magnetic induction image, including But it is not limited to magnetic optically pigment.
Wherein, the thickness of first coating of the present invention can be not construed as limiting, but as the present invention's A kind of preferred, the thickness of the first coating can be less than d50/3.Here d50 is magnetic paint Median, can measure according to methods known in the art.D50/3 represents the first coating Thickness can be less than 1/3rd of the d50 of magnetic paint.
S103: the first coating is dried or solidifies;
In the present invention, the nonvolatile component of the first coating before being dried or solidifying can be the widest model Enclose, reach as high as 100%, minimum can be even lower to about 20%.Such as 40%, 50%, 60% or 35% etc..
Wherein, preferred as the present invention, it is dried or the most volatilizable in the first coating before solidification The weight/mass percentage composition of composition is less than 50%.It is highly preferred that be dried or solidification before the first coating in Can not the mass percentage content of volatile ingredient less than 35%.As such, it is possible to make the first coating The first magnetic paint sufficiently can tile when solvent volatilizees, reach preferable planes of color table Existing effect.
Wherein, the first coating it is dried or solidifies, can be volatile dry or UV solidification, Making before coating the second coating, the first coating can be wet film, surface drying or thorough dry state, its In preferably the first coating is dried or is solidified into dry face state, surface drying here refers in coating second Before coating, the first coating is at least resistance to touch.Here resistance to touch refers to that it no longer shows Any set-off, and the second coating can be applied by contact print device, and do not damage or make dirty Printing equipment.
S104: be coated with the second coating in the first coating in the dried or cured, and by the second coating First coating is carried out swelling;
It is coated with the second coating in the first coating in the dried or cured, the second coating is coated with first Layer carries out swelling.By second swelling of paint coating the first coating, magnetic paint in the first coating is promoted to obtain Obtain activity space and reduce deflection resistance.Specifically, the swelling binder referred in the second coating Binder in first coating eroded, soften, dissolution so that the first coating with Second coating interpenetrates between interface, makes the binder in the first coating become half flow regime.
Wherein, the second coating can contain non-magnetic pigment or be different from the second of the first magnetic paint Magnetic paint.Second coating can be varnish or the clear coat containing other particular characteristics.
Wherein it is preferred to, the second coating contains infrared markers, fluorescent labeling, spike the most further In labelling, holographic false proof labelling, DNA anti-fake mark, UV labelling and polarisation labelling at least A kind of.Certainly, in some cases, the second coating can also not contain these two wires, three lines are prevented Pseudo-element, can be transparent finishing oil.
In step S104, can overall coating second in the first coating in the dried or cured Coating, it is also possible to be coated with the second coating on the regional area of the first coating in the dried or cured, And by the second coating, the regional area of the first coating is carried out swelling.When taking localised application mode Time, can be formed by the second coating and there is the pattern of predetermined meanings, word or numeral, or by Two coatings around and expose first coating formed there is the pattern of predetermined meanings, word or number Word.Hereafter this be will be described in more detail.
It is fixed that S105: first magnetic paint first coating in swelling to the second coating carries out magnetic To;
First magnetic paint first coating in swelling to the second coating carries out magnetic orientation, so that Again arrange in obtaining first magnetic paint swelling region between the first coating and the second coating Magnetic induction image needed for row, and then formation, such as scroll bar, roller ball etc..Wherein it is possible to First magnetic paint in the swelling region between the first coating and the second coating is carried out part or complete Portion's magnetic orientation, is described in detail below for different embodiments.
S106: the second coating and the second swelling first coating of coating are dried or solidify, with Form magnetic orientation pattern.
Second coating and the second swelling first coating of coating are dried or solidify so that first Magnetic paint can keep the state after rearranging, thus obtains the magnetic orientation figure of a kind of new effect Case.
Referring to Fig. 3, Fig. 3 is that a kind of of embodiment of the present invention offer is just combining magnetic orientation pattern Effect schematic diagram under visual angle, wherein, region 2 is the applying area of the second coating in the first coating Territory, region 1 is the first coating not covered and being positioned at the second coat periphery by the second coating, region 3 are in the second coat inside, and by the second coating cincture the first coating of exposing.At this In embodiment, region 3 is formed has institute in the pattern of predetermined meanings, word or numeral, such as figure " A " word shown.In other embodiments, it is also possible to directly formed by the second coating have predetermined The pattern of implication, word or numeral.Such as, in the embodiment shown in fig. 5, by covering first The second coating 22 in coating 21 directly forms " B " word.
Further, the first coating in region 2 is after the second swelling of paint coating, and entirety carries out magnetic and determines To.Now, the magnetic paint being positioned at region 1 and 3 forms arrangement of preferably tiling, and is positioned at district The first coating in territory 2 is after the second swelling of paint coating, and magnetic paint enters along the magnetic direction of magnetic orientation Row rearranges.Thus, two kinds of optical effects are presented at the magnetic orientation pattern shown in Fig. 3, specifically For: by the first magnetic after magnetic orientation in the first coating by the second swelling of paint coating in region 2 Property pigment formed the first optical effect, and by region 1 and 3 not by the second swelling of paint coating The first coating in first magnetic paint formed the second optical effect.
In the present embodiment, magnetic paint can use magnetic optically pigment.Now, shown in Fig. 3 Positive visual angle under, region 1 and 3 presents a kind of color, such as pale red, and region 2 presents Another kind of color, such as kermesinus.
It is the another kind of oblique viewing angle of magnetic orientation pattern shown in Fig. 3 further referring to Fig. 4, Fig. 4 Under effect schematic diagram.Under the oblique viewing angle shown in Fig. 4, region 1 and 3 presents and is different from A kind of color at visual angle shown in Fig. 3, such as light green, region 2 is also different from visual angle shown in Fig. 3 Another kind of color, such as dirty-green, and the magnetic paint in this region 2 shows after magnetic orientation Go out special magnetic orientation effect, such as stereo progressiveness bar effect, i.e. arrive at the positive visual angle shown in Fig. 3 In the handoff procedure of the oblique viewing angle shown in Fig. 4, in region 2, form bright band or the blanking bar of movement.
In other embodiments, magnetic paint can use other face beyond magnetic optically pigment Material, such as magnetic luminous reflectance/absorption pigment.Now, under certain viewing angles, region 1 and 3 presents On state of or dark-state, region 2 presents contrary dark-state or on state of.
Further, in other embodiments, can (the second coating be to the first coating in region 2 Swelling region) subregion in, the first magnetic paint is carried out magnetic orientation.Now, the second coating The magnetic pigment flakes through magnetic orientation in the swelling region of the first coating is arranged along magnetic direction Row, and the second coating in the swelling region of the first coating by the magnetic pigment flakes of magnetic orientation from By floating, thus introduce another optical effect, i.e. by the first coating of the second swelling of paint coating Without magnetic orientation first magnetic paint formed the 3rd optical effect.Certainly, art technology Personnel can as required, by the first optical effect and the second optics and the 3rd in magnetic orientation pattern In optical effect, one or both carry out combination in any.Additionally, in the above-described embodiments, the first light One or both learned in effect and the second optical effect and the 3rd optical effect are distributed in basal layer The zones of different on surface.But, those skilled in the art can be by rationally arranging each coating Thickness and magnetic orientation mode realize above-mentioned optics effect on the direction on surface being perpendicular to basal layer The combination of fruit.
The preparation method of the magnetic orientation pattern that the invention described above embodiment provides, arranges tool at basal layer Directly solidification or dry after the first coating of pigment that is magnetic, and by the second coating to the first coating Carry out swelling after the magnetic paint in the first coating is carried out magnetic orientation, thus can fully reduce magnetic Property pigment containing the thickness of carrier layer, and then reduce pigment usage amount.Further, by the way may be used To control the first coating non-volatile part content less than 50%, make the magnetic paint in the first coating permissible Obtaining good tiling performance, optical effect is excellent, then in solidification or dried first coating Surface configuration can not contain the second coating of magnetic paint, therefore the second coating performance is more easy to adjust Joint, thus obtain the ink film performance of needs.
It addition, two secondary coatings of the present invention can produce two or more optical effects, the most swelling The magnetic paint produced optical effect of tiling in region, swelling after not by the magnetic paint of magnetic orientation Freely the most floating produced optical effect, swelling after magnetic produced by magnetic paint after magnetic orientation Directional effect, optical effect variation.Specifically, owing to the first coating can be the thinnest, pigment Tiling effects is preferable, it is provided that a kind of ordinary optical effect, adds the first coating after the second coating not Magnetic orientation part, due to second coating swelling action to the first coating, produces shadow to pigment arrangement Ring, under second coated film refraction action again to light, the another kind of optical effect of generation, second Magnetic orientation part after coating produces magnetic induction image further.Additionally, multi-functional second coating with The magnetic induction image of bottom or ordinary optical effect region carry out chromatography, form multifunctional combination effect Really.
Further, owing to the first coating can be the thinnest, pigment tiling is preferable, therefore color development is effective, with Thicker coating is compared, and relatively low pigment content i.e. can reach preferably optical effect (such as, optics Color changeable effect), or preferably magnetic induction image, save pigment and reduce cost;Simultaneously because coating Thin, it is possible to use relatively small particle pigment, i.e. use d50 pigment below 15 microns to obtain Obtain preferably common optically variable effect and magnetic induction image effect.
The present invention can also add two wires, three line security pigments in the second coating, increases other and prevents During pseudo-pigment, be to add it in the second coating, thus avoid in conventional method multiple pigment with During magnetic paint mixing, increase magnetic orientation resistance, reduce magnetic orientation effect;Avoid pigment simultaneously Increase with binder ratio, cause the negative effect to ink film performance.These two wires, three line elements It is not directly added in the first coating, therefore respective synergistic effect can be given full play to, it is to avoid multiple pigment exists First coating mixes and brings and dispersion, construction occur unstable technical problem.
Above technical scheme, solves and carries out a magnetic orientation after directly magnetic paint being added ink And solidification, magnetic paint has the technical problem of considerable influence to ink film performance.And the second coating can To be varnish or the clear coat containing other particular characteristics, due to the magnetic hidden without big particle diameter height Property pigment, the second coating performance is more easy to be adjusted, thus is readily available the ink film performance of needs.
Refer to the structure that Fig. 2, Fig. 2 are a kind of magnetic orientation patterns that the embodiment of the present invention provides show Being intended to, the magnetic orientation pattern of the present embodiment includes basal layer 11 and is sequentially arranged at basal layer 11 On the first coating 12 and the second coating 13, the first coating 12 is containing the first magnetic through magnetic orientation Pigment 121.
Wherein, basal layer 11 can be fibre-bearing substrate, such as paper or cardboard.Can also It is free from fiber multihole substrate, such as there is the plastic-substrates of porous surface, or even have Veining or uneven surface texture non-porous substrate.This basal layer 11 can be Transparent, opaque or translucent.Can also select colourless or coloring as required Substrate.
Wherein, the first coating 12 can be coated with according to any mode of printing known in the art, Such as ink jet printing, hectographic printing, aniline printing, photogravure, orifice plate printing, relief printing plate Printing, roller coat etc..
Wherein, the thickness of first coating of the present invention can be not construed as limiting, but as the present invention's A kind of preferred, the thickness of the first coating 12 is preferably smaller than d50/3.
Wherein, after substrate 11 is coated with the first coating 12, first the first coating 12 is dried or After solidification, it is coated the second coating 13.Can be volatile dry or UV to the first coating 12 Solidification so that before coating the second coating, the first coating 12 can be wet film, surface drying or thorough Dry state, wherein surface drying refers to before coating the second coating, and the first coating 12 is the most resistance to be touched Touch.Further, it is possible to overall coating the second coating in the first coating in the dried or cured, The second coating can also be coated with on the regional area of the first coating in the dried or cured, and by The regional area of the first coating is carried out swelling by two coatings.When taking localised application mode to be, permissible Formed by the second coating and there is the pattern of predetermined meanings, word or numeral, or by the second coating institute Cincture and the first coating exposed are formed and have the pattern of predetermined meanings, word or numeral.
In the present invention, the nonvolatile component of the first coating before being dried or solidifying can be the widest model Enclose, reach as high as 100%, minimum can be to about 20%.Such as 40%, 50%, 60% or 35% etc..
Wherein, preferred as the present invention, be dried or in the first coating 12 before solidification can not The weight/mass percentage composition of volatile ingredient is preferably smaller than 50%.It is highly preferred that be dried or before solidification the In one coating 12 can not the mass percentage content of volatile ingredient less than 35%.As such, it is possible to The first magnetic paint 121 making the first coating 12 sufficiently can tile when solvent volatilizees, Reach preferable planes of color expression effect.
It is positioned at molten to the first coating 12 of the second coating 13 through the first magnetic paint 121 of magnetic orientation In swollen region.And then, by swelling first coating 12 of the second coating 13, promote the first coating 12 Middle magnetic paint obtains activity space and reduces deflection resistance.Further, through the first magnetic of magnetic orientation Property pigment is positioned at described second coating subregion to the swelling region of described first coating.
Wherein, the second coating 13 containing non-magnetic pigment or is different from the of the first magnetic paint Two magnetic paints.Second coating 13 can be varnish or the clear coat containing other particular characteristics.
Preferably, the second coating 13 can also contain further infrared markers, fluorescent labeling, In trace labelling, holographic false proof labelling, DNA anti-fake mark, UV labelling and polarisation labelling At least one.Certainly, in some cases, the second coating 13 can also not contain these two wires, Three line security element, can be transparent finishing oils.
Further, as described above for the description of Fig. 3, the optics that above-mentioned magnetic orientation pattern is presented Effect includes by the first magnetic through magnetic orientation in the first coating 12 swelling by the second coating 13 Pigment 121 formed the first optical effect, or above-mentioned first optical effect with by not by second be coated with Layer 13 the first swelling coating 12 in first magnetic paint 121 formed the second optical effect with And by the first magnetic paint without magnetic orientation in the first coating 12 swelling by the second coating 13 One or both combination in any in 121 the 3rd optical effects formed.
Magnetic orientation pattern that the invention described above embodiment provides and preparation method thereof, is arranged at basal layer There is directly solidification or dry after the first coating of magnetic paint, and be coated with first by the second coating Layer carry out swelling after the magnetic paint in the first coating is carried out magnetic orientation, thus can fully reduce The magnetic paint thickness containing carrier layer, and then reduce pigment usage amount.Further, by the way The first coating non-volatile part content can be controlled less than 50%, make the magnetic paint in the first coating can To obtain good tiling performance, optical effect is excellent, is then coated with in solidification or dried first Layer surface configuration can not contain the second coating of magnetic paint, therefore the second coating performance is more easy to adjust Joint, thus obtain the ink film performance of needs.
It addition, two secondary coatings of the present invention can produce two or more optical effects, the most swelling The magnetic paint produced optical effect of tiling in region, swelling after not by the magnetic paint of magnetic orientation Freely the most floating produced optical effect, swelling after magnetic produced by magnetic paint after magnetic orientation Directional effect, optical effect variation.Specifically, owing to the first coating can be the thinnest, pigment Tiling effects is preferable, it is provided that a kind of ordinary optical effect, adds the first coating after the second coating not Magnetic orientation part, due to second coating swelling action to the first coating, produces shadow to pigment arrangement Ring, under second coated film refraction action again to light, the another kind of optical effect of generation, second Magnetic orientation part after coating produces magnetic induction image further.Additionally, multi-functional second coating with The magnetic induction image of bottom or ordinary optical effect region carry out chromatography, form multifunctional combination effect Really.
Further, owing to the first coating can be the thinnest, pigment tiling is preferable, therefore color development is effective, with Thicker coating is compared, and relatively low pigment content i.e. can reach preferably optical effect (such as, optics Color changeable effect), or preferably magnetic induction image, save pigment and reduce cost;Simultaneously because coating Thin, it is possible to use relatively small particle pigment, i.e. use d50 pigment below 15 microns to obtain Obtain preferably common optically variable effect and magnetic induction image effect.
The present invention can also add two wires, three line security pigments in the second coating, increases other and prevents During pseudo-pigment, be to add it in the second coating, thus avoid in conventional method multiple pigment with During magnetic paint mixing, increase magnetic orientation resistance, reduce magnetic orientation effect;Avoid pigment simultaneously Increase with binder ratio, cause the negative effect to ink film performance.These two wires, three line elements It is not directly added in the first coating, therefore respective synergistic effect can be given full play to, it is to avoid multiple pigment exists First coating mixes and brings and dispersion, construction occur unstable technical problem.
Above technical scheme, solves and carries out a magnetic orientation after directly magnetic paint being added ink And solidification, magnetic paint has the technical problem of considerable influence to ink film performance.And the second coating can To be varnish or the clear coat containing other particular characteristics, due to the magnetic hidden without big particle diameter height Property pigment, the second coating performance is more easy to be adjusted, thus is readily available the ink film performance of needs.
The foregoing is only embodiments of the invention, not thereby limit the scope of the claims of the present invention, Every equivalent structure utilizing description of the invention and accompanying drawing content to be made or equivalence flow process conversion, or Directly or indirectly being used in other relevant technical fields, the patent being the most in like manner included in the present invention is protected In the range of protecting.

Claims (18)

1. the preparation method of a magnetic orientation pattern, it is characterised in that described preparation method includes:
Basal layer is provided;
Being coated with the first coating on described basal layer, described first coating is contained within multiple first magnetic Pigment;
Described first coating is dried or solidifies;
In the feelings that the plurality of first magnetic paint in described first coating is not carried out magnetic orientation Under condition, it is dried described or be coated with the second coating, and by described in described first coating after solidification Described first coating is carried out swelling by the second coating;
Described first magnetic paint described first coating in swelling to described second coating enters Row magnetic orientation;
Described first coating that described second coating and described second coating are swelling is dried Or solidification, to form described magnetic orientation pattern.
Preparation method the most according to claim 1, it is characterised in that described described dry Or be coated with the second coating in described first coating after solidification, and by described second coating to described the One coating carries out swelling step and includes:
Described be dried or solidification after described first coating regional area on be coated with described second Coating, and by described second coating, the described regional area of described first coating is carried out swelling.
Preparation method the most according to claim 2, it is characterised in that by described second coating Formed and there is the pattern of predetermined meanings, word or numeral, or by described second coating institute around and The first coating exposed is formed has the pattern of predetermined meanings, word or numeral.
Preparation method the most according to claim 1 and 2, it is characterised in that described to described Described first magnetic paint in described first coating that second coating is swelling carries out magnetic orientation Step includes:
In described second coating in the subregion in the swelling region of described first coating, to described One magnetic paint carries out magnetic orientation.
Preparation method the most according to claim 1, it is characterised in that described magnetic orientation pattern The optical effect presented includes by by the warp in described first coating of described second swelling of paint coating The first optical effect that described first magnetic paint after magnetic orientation is formed.
Preparation method the most according to claim 5, it is characterised in that described magnetic orientation pattern The optical effect presented farther includes by not being coated with by described the first of described second swelling of paint coating In Ceng described first magnetic paint formed the second optical effect and by by described second coating The 3rd of the described first magnetic paint formation without magnetic orientation in swelling described first coating One or both in optical effect.
Preparation method the most according to claim 6, it is characterised in that described first optics effect Fruit and one or both in described second optical effect and described 3rd optical effect are distributed in institute State the zones of different on the surface of basal layer.
Preparation method the most according to claim 1, it is characterised in that described second coating contains There is non-magnetic pigment or be different from the second magnetic paint of described first magnetic paint.
Preparation method the most according to claim 1, it is characterised in that described second coating contains Have infrared markers, fluorescent labeling, trace labelling, holographic false proof labelling, DNA anti-fake mark, At least one in UV labelling and polarisation labelling.
10. the magnetic orientation figure that the preparation method described in an any one of claim 1-9 prepares Case, it is characterised in that described magnetic orientation pattern includes basal layer and is sequentially arranged at described substrate The first coating on layer and the second coating, described first coating contains the first magnetic face through magnetic orientation Material, described the first magnetic paint through magnetic orientation is positioned at described second coating to described first coating In swelling region.
11. magnetic orientation patterns according to claim 10, it is characterised in that described second is coated with Layer coats the regional area of described first coating, and the described regional area to described first coating Carry out swelling.
12. magnetic orientation patterns according to claim 11, it is characterised in that by described second Coating is formed has the pattern of predetermined meanings, word or numeral, or by described second coating institute ring Around and expose first coating formed there is the pattern of predetermined meanings, word or numeral.
13. according to the magnetic orientation pattern described in claim 10 or 11, it is characterised in that described warp First magnetic paint of magnetic orientation is positioned at the described second coating swelling region to described first coating Subregion in.
14. magnetic orientation patterns according to claim 10, it is characterised in that described magnetic orientation The optical effect that pattern is presented includes by by described first coating of described second swelling of paint coating Through magnetic orientation described first magnetic paint formed the first optical effect.
15. magnetic orientation patterns according to claim 14, it is characterised in that described magnetic orientation The optical effect that pattern is presented farther includes by not by described the of described second swelling of paint coating In one coating described first magnetic paint formed the second optical effect and by by described second Described first magnetic paint without magnetic orientation in described first coating of swelling of paint coating is formed One or both in 3rd optical effect.
16. magnetic orientation patterns according to claim 15, it is characterised in that described first light Learn effect and one or both distributions in described second optical effect and described 3rd optical effect Zones of different in the surface of described basal layer.
17. magnetic orientation patterns according to claim 10, it is characterised in that described second is coated with Layer contains non-magnetic pigment or is different from the second magnetic paint of described first magnetic paint.
18. magnetic orientation patterns according to claim 10, it is characterised in that described second is coated with Layer containing infrared markers, fluorescent labeling, trace labelling, holographic false proof labelling, DNA anti-fake mark, At least one in UV labelling and polarisation labelling.
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