CN104260572A - Magnetic orientation pattern and preparation method thereof - Google Patents
Magnetic orientation pattern and preparation method thereof Download PDFInfo
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- CN104260572A CN104260572A CN201410504719.9A CN201410504719A CN104260572A CN 104260572 A CN104260572 A CN 104260572A CN 201410504719 A CN201410504719 A CN 201410504719A CN 104260572 A CN104260572 A CN 104260572A
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Abstract
The invention discloses a magnetic orientation pattern and a preparation method thereof. The preparation method of the magnetic orientation pattern comprises the steps of: providing a substrate layer; coating a first coating including multiple first magnetic pigments on the substrate layer; drying and curing the first coating; coating a second coating on the dried or cured first coating and swelling the first coating by the second coating; performing magnetic orientation on the first magnetic pigments in the first coating which is swelled by the second coating; drying or curing the second coating and the first coating which is swelled by the second coating so as to form the magnetic orientation pattern. Through the way mentioned above, thickness of a magnetic pigment carrying layer can be reduced fully, and the use amount of the pigments can be further reduced. Furthermore, according to the magnetic orientation pattern and the preparation method thereof, excellent diversified optical effects can be obtained, ink film performances in special demands can be obtained, and a set magnetic induction image also can be produced.
Description
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 be generally by the ink containing magnetic paint or coating composition in substrate, be in the wet film stage in coating to apply external magnetic field immediately and carry out magnetic orientation, then by coating hardens, the final element containing magnetic induction image or decorative coveringn is formed.
In the method for existing acquisition magnetic induction image, in coating, contained magnetic paint must have when magnetic orientation when enough deflection spaces and deflection and have enough little resistance, therefore must carry out magnetic orientation under wet film state.Therefore the following defect of prior art ubiquity:
1, for relatively thick containing the coating (magnetic paint is containing carrier layer) of carrying magnetic paint, the magnetic paint contained in coating just can be made to have good magnetic orientation space when thickness is not less than d50/3, mean that pigment use amount is large compared with thick coating;
2, the aggregate optical effect of magnetic paint is single.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of magnetic orientation pattern and preparation method thereof, and this magnetic orientation pattern fully can reduce the thickness of magnetic paint containing carrier layer, and then reduces pigment use amount.Further, this magnetic orientation pattern can obtain excellent diversified optical effect, can obtain specific demand ink film performance, can produce again the magnetic induction image of setting.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: the preparation method providing a kind of magnetic orientation pattern, and this preparation method comprises: provide basalis; Be coated with the first coating on the base layer, containing multiple first magnetic paint in the first coating; Drying or solidification are carried out to the first coating; The first coating is in the dried or cured coated with the second coating, and carries out swelling by the second coating to the first coating; The first magnetic paint in the first coating swelling to the second coating carries out magnetic orientation; Drying or solidification are carried out, to form magnetic orientation pattern to the second coating and swelling the first coating of the second coating.
Wherein, the first coating is in the dried or cured coated with the second coating, and by the second coating, swelling step is carried out to the first coating and comprise: the regional area of the first coating is in the dried or cured coated with the second coating, and carries out swelling by the second coating to the regional area of the first coating.
Wherein, by the second coating formation, there is the pattern of predetermined meanings, word or numeral, or by the second coating around and the first coating formation exposed has the pattern of predetermined meanings, word or numeral.
Wherein, the step that the first magnetic paint in the first swelling to the second coating coating carries out magnetic orientation comprises: in the second coating in the subregion in the swelling region of the first coating, carry out magnetic orientation to the first magnetic paint.
Wherein, the optical effect that magnetic orientation pattern presents comprises by the first optical effect formed by the first magnetic paint after magnetic orientation in the first coating of the second swelling of paint coating.
Wherein, the optical effect that magnetic orientation pattern presents comprises further by the second optical effect do not formed by the first magnetic paint in the first coating of the second swelling of paint coating and by one or both in the 3rd optical effect formed by the first magnetic paint without magnetic orientation in the first coating of the second swelling of paint coating.
Wherein, one or both in the first optical effect and the second optical effect and the 3rd optical effect are distributed in the zones of different on the surface of basalis.
Wherein, the second coating contains non-magnetic pigment or is different from the second magnetic paint of the first magnetic paint.
Wherein, the second coating contains at least one in infrared markers, fluorescence labeling, trace labelling, holographic false proof mark, DNA anti-fake mark, UV mark and polarisation mark.
For solving the problems of the technologies described above, another technical solution used in the present invention is: provide a kind of magnetic orientation pattern, this magnetic orientation pattern comprises basalis and the first coating of being sequentially arranged on basalis and the second coating, and the first coating contains the first magnetic paint through magnetic orientation.
Wherein, the first magnetic paint through magnetic orientation is positioned at the swelling region of the second coating to the first coating.
Wherein, the second coating applications in the regional area of the first coating, and carries out swelling to the regional area of the first coating.
Wherein, by the second coating formation, there is the pattern of predetermined meanings, word or numeral, or by the second coating around and the first coating formation exposed has the pattern of predetermined meanings, word or numeral.
Wherein, the first magnetic paint through magnetic orientation is positioned at the subregion of the second coating to the swelling region of the first coating.
Wherein, the optical effect that magnetic orientation pattern presents comprises by by the first optical effect formed through the first magnetic paint of magnetic orientation in the first coating of the second swelling of paint coating.
Wherein, by the second optical effect do not formed by the first magnetic paint in the first coating of the second swelling of paint coating and by one or both in the 3rd optical effect formed by the first magnetic paint without magnetic orientation in the first coating of the second swelling of paint coating.
Wherein, one or both in the first optical effect and the second optical effect and the 3rd optical effect are distributed in the zones of different on the surface of basalis.
Wherein, the second coating contains non-magnetic pigment or is different from the second magnetic paint of the first magnetic paint.
Wherein, the second coating contains at least one in infrared markers, fluorescence labeling, trace labelling, holographic false proof mark, DNA anti-fake mark, UV mark and polarisation mark.
The invention has the beneficial effects as follows: the situation being different from prior art, the invention provides a kind of magnetic orientation pattern and preparation method thereof, preparation method's directly solidification or dry after basalis setting has the first coating of magnetic paint of this magnetic orientation pattern, and carry out swellingly carrying out magnetic orientation to the magnetic paint in the first coating afterwards to the first coating by the second coating, fully can reduce the thickness of magnetic paint containing carrier layer thus, and then reduce pigment use amount.Further, the non-volatile part content of the first coating can be controlled by the way lower than 50%, make the magnetic paint in the first coating can obtain good tiling performance, optical effect is excellent, then arranging in solidification or dried first coating surface can not containing the second coating of magnetic paint, therefore the second coating performance more easily regulates, thus obtain the ink film performance needed.
In addition, twice coating of the present invention can produce two or more optical effects, namely the magnetic paint in not swelling region tile produce optical effect, swelling after not produce by the magnetic paint free-floating of magnetic orientation optical effect, swelling after magnetic paint after magnetic orientation the magnetic orientation effect that produces, optical effect variation.Specifically, because the first coating can be very thin, pigment tiling effects is better, a kind of ordinary optical effect is provided, adds the non-magnetic orientation part of the first coating after the second coating, because the second coating is to the swelling action of the first coating, pigment arrangement is had an impact, under the again refraction action of the second coated film to light, produce another kind of optical effect, the magnetic orientation part after the second coating produces magnetic induction image further.In addition, chromatography is carried out in magnetic induction image or the ordinary optical effect region of multi-functional second coating and bottom, forms multifunctional combination effect.
Further, because the first coating can be very thin, pigment tiling better, therefore color development is effective, compared with thicker coating, lower pigment content can reach preferably that optical effect is (such as, optic metachromatic effect), or preferably magnetic induction image, save pigment and reduce costs; Simultaneously because coating is thin, comparatively small particle diameter pigment can be used, namely use the pigment of d50 below 15 microns can obtain good common light and become effect and magnetic induction image effect.
The present invention can also add two wires, three line security pigments in the second coating, when increasing other security pigment, joined in the second coating, therefore when avoiding that in conventional method, multiple pigment mixes with magnetic paint, increase magnetic orientation resistance, reduce magnetic orientation effect; Avoid pigment and binder ratio to increase simultaneously, 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 schematic diagram under a kind of positive visual angle of combining magnetic orientation pattern that the embodiment of the present invention provides;
Fig. 4 is the effect schematic diagram under the oblique viewing angle of the combination magnetic orientation pattern shown in Fig. 3 of the present invention;
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 Fig. 1, 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, and the preparation method of the present embodiment magnetic orientation pattern comprises:
S101: basalis is provided;
Wherein, basalis can be fibre-bearing substrate, such as paper or cardboard.Also can be not fibre-bearing perforated substrate, such as there is the plastic-substrates of porous surface, or or even there is veining or the non-porous substrate of uneven surface texture.This basalis can be transparent, opaque or translucent.Colourless or painted substrate can also be selected as required.
S102: be coated with the first coating on the base layer, containing multiple first magnetic paint in the first coating;
First coating 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, letterpress, roller coat etc.Containing multiple first magnetic paint in first coating.Wherein, magnetic paint refers to and can be able to rearrange under the magnetic orientation effect in magnetic field, and then forms the pigment of magnetic induction image, includes but not limited to magnetic optically variable pigments.
Wherein, the thickness of the first coating of the present invention can be not construed as limiting, but preferred as one of the present invention, and the thickness of the first coating can be less than d50/3.Here d50 is the median of magnetic paint, can measure according to methods known in the art.D50/3 represents that the thickness of the first coating can be less than 1/3rd of the d50 of magnetic paint.
S103: drying or solidification are carried out to the first coating;
In the present invention, the nonvolatile component of the first coating before dry or solidification can be very wide scope, reaches as high as 100%, minimum can to about 20%, even lower.Such as 40%, 50%, 60% or 35% etc.
Wherein, as preferably of the present invention, in the first coating before dry or solidification, the mass percentage of volatile ingredient 50% can not be less than.More preferably, the mass percentage content of volatile ingredient 35% can not be less than in the first coating before dry or solidification.Like this, the first magnetic paint of the first coating can be made can to tile fully when solvent volatilizees, reach good planes of color expression effect.
Wherein, drying or solidification are carried out to the first coating, can be volatile dry or UV solidification, make before coating second coating, first coating can be wet film, surface drying or thorough dry state, wherein preferred by dry for the first coating or be solidified into dry face state, surface drying here refers to that, before coating second 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 can apply the second coating by contact print device, and does not damage or printing equipment of making dirty.
S104: the first coating is in the dried or cured coated with the second coating, and carries out swelling by the second coating to the first coating;
The first coating is in the dried or cured coated with the second coating, carries out swelling by the second coating to the first coating.By the second swelling of paint coating first coating, magnetic paint in the first coating is impelled to obtain activity space and reduce deflection resistance.Specifically, swellingly refer to that the binder in the second coating corrodes the binder in the first coating, soften, dissolution, thus the first coating and the second coating are interpenetrated between interface, make the binder in the first coating become half flow regime.
Wherein, the second coating can containing non-magnetic pigment or the second magnetic paint being different from the first magnetic paint.Second coating can be varnish or the clear coat containing other particular characteristics.
Wherein, preferably, the second coating is also further containing at least one in infrared markers, fluorescence labeling, trace labelling, holographic false proof mark, DNA anti-fake mark, UV mark and polarisation mark.Certainly, in some cases, the second coating also can not contain these two wires, three line security element, can be transparent finishing oil.
In step S104, can overall coating the second coating in the first coating in the dried or cured, also the regional area of the first coating in the dried or cured can be coated with the second coating, and carry out swelling by the second coating to the regional area of the first coating.When taking localised application mode, the pattern of predetermined meanings, word or numeral can be had by the second coating formation, or by the second coating around and the first coating formation exposed has the pattern of predetermined meanings, word or numeral.Hereafter will be described in detail this.
S105: the first magnetic paint in the first coating swelling to the second coating carries out magnetic orientation;
The first magnetic paint in the first coating swelling to the second coating carries out magnetic orientation, to make to rearrange in the swelling region of the first magnetic paint between the first coating and the second coating, and then the magnetic induction image needed for being formed, such as scroll bar, roller ball etc.Wherein, part or all of magnetic orientation can be carried out to first magnetic paint in the swelling region between the first coating and the second coating, hereafter will be described in detail for different embodiment.
S106: drying or solidification are carried out, to form magnetic orientation pattern to the second coating and swelling first coating of the second coating.
Drying or solidification are carried out to the second coating and swelling first coating of the second coating, makes the first magnetic paint can keep the state after rearranging, thus obtain a kind of magnetic orientation pattern of new effect.
Refer to Fig. 3, Fig. 3 is the effect schematic diagram under a kind of positive visual angle of combining magnetic orientation pattern that the embodiment of the present invention provides, wherein, region 2 is dispensing areas of the second coating in the first coating, region 1 is not covered by the second coating and is positioned at the first coating of the second coat periphery, region 3 is positioned at the second coat inside, and by the second coating around and the first coating exposed.In the present embodiment, region 3 forms pattern, word or the numeral with predetermined meanings, such as, " A " word shown in figure.In other embodiments, also directly the pattern of predetermined meanings, word or numeral can be had by the second coating formation.Such as, in the embodiment shown in fig. 5, " B " word is directly formed by the second coating 22 in covering first coating 21.
Further, the first coating in region 2 is after the second swelling of paint coating, and entirety carries out magnetic orientation.Now, the magnetic paint being positioned at region 1 and 3 forms arrangement of better tiling, and the first coating being positioned at region 2 is after the second swelling of paint coating, and magnetic paint rearranges along the magnetic direction of magnetic orientation.Thus, magnetic orientation pattern shown in Fig. 3 presents two kinds of optical effects, be specially: by the first optical effect formed by the first magnetic paint after magnetic orientation in the first coating of the second swelling of paint coating in region 2, and by region 1 and 3 not by the second optical effect that the first magnetic paint in the first coating of the second swelling of paint coating is formed.
In the present embodiment, magnetic paint can adopt magnetic optically variable pigments.Now, under the positive visual angle shown in Fig. 3, region 1 and 3 presents a kind of color, such as pale red, and region 2 presents another kind of color, such as kermesinus.
Please consult Fig. 4 further, Fig. 4 is the effect schematic diagram under the another kind of oblique viewing angle of the pattern of magnetic orientation shown in Fig. 3.Under the oblique viewing angle shown in Fig. 4, region 1 and 3 presents a kind of color being different from visual angle shown in Fig. 3, such as light green, region 2 is also different from the another kind of color at visual angle shown in Fig. 3, such as dirty-green, and the magnetic paint in this region 2 shows special magnetic orientation effect after magnetic orientation, such as stereo progressiveness bar effect, namely 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 the bright band of movement or blanking bar.
In other embodiments, magnetic paint can adopt other pigment beyond magnetic optically variable pigments, and such as magnetic light reflects/absorb pigment.Now, under certain viewing angles, region 1 and 3 presents on state of or dark-state, and region 2 presents contrary dark-state or on state of.
Further, in other embodiments, in the subregion in region 2 (the second coating is to the swelling region of the first coating), magnetic orientation can be carried out to the first magnetic paint.Now, second coating arranges along magnetic direction the magnetic pigment flakes through magnetic orientation in the swelling region of the first coating, and the second coating in the swelling region of the first coating not by the magnetic pigment flakes free-floating of magnetic orientation, introduce another optical effect thus, namely by the 3rd optical effect formed without the first magnetic paint of magnetic orientation in the first coating of the second swelling of paint coating.Certainly, those skilled in the art can as required, by the first optical effect and the second optics and the 3rd optical effect, one or both are combined in magnetic orientation pattern.In addition, in the above-described embodiments, one or both in the first optical effect and the second optical effect and the 3rd optical effect are distributed in the zones of different on the surface of basalis.But those skilled in the art can realize the combination of above-mentioned optical effect on the direction on the surface perpendicular to basalis by the thickness and magnetic orientation mode rationally arranging each coating.
The preparation method of the magnetic orientation pattern that the invention described above embodiment provides, directly solidification or dry after basalis setting has the first coating of magnetic paint, and carry out swellingly carrying out magnetic orientation to the magnetic paint in the first coating afterwards to the first coating by the second coating, fully can reduce the thickness of magnetic paint containing carrier layer thus, and then reduce pigment use amount.Further, the non-volatile part content of the first coating can be controlled by the way lower than 50%, make the magnetic paint in the first coating can obtain good tiling performance, optical effect is excellent, then arranging in solidification or dried first coating surface can not containing the second coating of magnetic paint, therefore the second coating performance more easily regulates, thus obtain the ink film performance needed.
In addition, twice coating of the present invention can produce two or more optical effects, namely the magnetic paint in not swelling region tile produce optical effect, swelling after not produce by the magnetic paint free-floating of magnetic orientation optical effect, swelling after magnetic paint after magnetic orientation the magnetic orientation effect that produces, optical effect variation.Specifically, because the first coating can be very thin, pigment tiling effects is better, a kind of ordinary optical effect is provided, adds the non-magnetic orientation part of the first coating after the second coating, because the second coating is to the swelling action of the first coating, pigment arrangement is had an impact, under the again refraction action of the second coated film to light, produce another kind of optical effect, the magnetic orientation part after the second coating produces magnetic induction image further.In addition, chromatography is carried out in magnetic induction image or the ordinary optical effect region of multi-functional second coating and bottom, forms multifunctional combination effect.
Further, because the first coating can be very thin, pigment tiling better, therefore color development is effective, compared with thicker coating, lower pigment content can reach preferably that optical effect is (such as, optic metachromatic effect), or preferably magnetic induction image, save pigment and reduce costs; Simultaneously because coating is thin, comparatively small particle diameter pigment can be used, namely use the pigment of d50 below 15 microns can obtain good common light and become effect and magnetic induction image effect.
The present invention can also add two wires, three line security pigments in the second coating, when increasing other security pigment, joined in the second coating, therefore when avoiding that in conventional method, multiple pigment mixes with magnetic paint, increase magnetic orientation resistance, reduce magnetic orientation effect; Avoid pigment and binder ratio to increase simultaneously, cause the negative effect to ink film performance.These two wires, three line elements directly do not add in the first coating, therefore can give full play to respective synergistic effect, avoid multiple pigment to mix in the first coating and bring dispersion, construction in there is unstable technical problem.
Above technical scheme, solve after directly magnetic paint being added ink and carry out a magnetic orientation and solidification, magnetic paint has the technical problem of considerable influence to ink film performance.And second coating can be varnish or containing the clear coat of other particular characteristics, due to not containing the magnetic paint that Large stone height hides, the second coating performance more easily regulates, thus easily obtains the ink film performance needed.
Refer to Fig. 2, Fig. 2 is the structural representation of a kind of magnetic orientation pattern that the embodiment of the present invention provides, the magnetic orientation pattern of the present embodiment comprise basalis 11 and the first coating 12 of being sequentially arranged on basalis 11 and the second coating 13, first coating 12 containing the first magnetic paint 121 through magnetic orientation.
Wherein, basalis 11 can be fibre-bearing substrate, such as paper or cardboard.Also can be not fibre-bearing perforated substrate, such as there is the plastic-substrates of porous surface, or or even there is veining or the non-porous substrate of uneven surface texture.This basalis 11 can be transparent, opaque or translucent.Colourless or painted substrate can also be selected as required.
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, letterpress, roller coat etc.
Wherein, the thickness of the first coating of the present invention can be not construed as limiting, but preferred as one of the present invention, and the thickness of the first coating 12 is preferably less than d50/3.
Wherein, after substrate 11 is coated with the first coating 12, after first drying or solidification being carried out to the first coating 12, then be coated with the second coating 13.To the first coating 12 can be volatile dry or UV solidification, make before coating second coating, the first coating 12 can be wet film, surface drying or thorough dry state, and wherein surface drying refers to that, before coating second coating, the first coating 12 is at least resistance to touch.Further, can overall coating the second coating in the first coating in the dried or cured, also the regional area of the first coating in the dried or cured can be coated with the second coating, and carry out swelling by the second coating to the regional area of the first coating.When taking localised application mode to be, the pattern of predetermined meanings, word or numeral can be had by the second coating formation, or by the second coating around and the first coating formation exposed has the pattern of predetermined meanings, word or numeral.
In the present invention, the nonvolatile component of the first coating before dry or solidification can be very wide scope, reaches as high as 100%, minimum can to about 20%.Such as 40%, 50%, 60% or 35% etc.
Wherein, as preferably of the present invention, in the first coating 12 before dry or solidification, the mass percentage of volatile ingredient preferably 50% can not be less than.More preferably, the mass percentage content of volatile ingredient 35% can not be less than in the first coating 12 before dry or solidification.Like this, the first magnetic paint 121 of the first coating 12 can be made can to tile fully when solvent volatilizees, reach good planes of color expression effect.
The first magnetic paint 121 through magnetic orientation is positioned at the swelling region of the second coating 13 to the first coating 12.And then, by swelling first coating 12 of the second coating 13, impel magnetic paint in the first coating 12 obtain activity space and reduce deflection resistance.Further, the first magnetic paint through magnetic orientation is positioned at the subregion of described second coating to the swelling region of described first coating.
Wherein, the second coating 13 is containing non-magnetic pigment or the second magnetic paint being different from the first magnetic paint.Second coating 13 can be varnish or the clear coat containing other particular characteristics.
Preferably, at least one in infrared markers, fluorescence labeling, trace labelling, holographic false proof mark, DNA anti-fake mark, UV mark and polarisation mark can also be contained in the second coating 13 further.Certainly, in some cases, the second coating 13 also can not contain these two wires, three line security element, can be transparent finishing oil.
Further, as the description above for Fig. 3, the optical effect that above-mentioned magnetic orientation pattern presents comprises by by the first optical effect formed through the first magnetic paint 121 of magnetic orientation in swelling the first coating 12 of the second coating 13, or above-mentioned first optical effect with by the second optical effect do not formed by the first magnetic paint 121 in swelling the first coating 12 of the second coating 13 and by by one or both any combination in the 3rd optical effect formed without the first magnetic paint 121 of magnetic orientation in swelling the first coating 12 of the second coating 13.
Magnetic orientation pattern that the invention described above embodiment provides and preparation method thereof, directly solidification or dry after basalis setting has the first coating of magnetic paint, and carry out swellingly carrying out magnetic orientation to the magnetic paint in the first coating afterwards to the first coating by the second coating, fully can reduce the thickness of magnetic paint containing carrier layer thus, and then reduce pigment use amount.Further, the non-volatile part content of the first coating can be controlled by the way lower than 50%, make the magnetic paint in the first coating can obtain good tiling performance, optical effect is excellent, then arranging in solidification or dried first coating surface can not containing the second coating of magnetic paint, therefore the second coating performance more easily regulates, thus obtain the ink film performance needed.
In addition, twice coating of the present invention can produce two or more optical effects, namely the magnetic paint in not swelling region tile produce optical effect, swelling after not produce by the magnetic paint free-floating of magnetic orientation optical effect, swelling after magnetic paint after magnetic orientation the magnetic orientation effect that produces, optical effect variation.Specifically, because the first coating can be very thin, pigment tiling effects is better, a kind of ordinary optical effect is provided, adds the non-magnetic orientation part of the first coating after the second coating, because the second coating is to the swelling action of the first coating, pigment arrangement is had an impact, under the again refraction action of the second coated film to light, produce another kind of optical effect, the magnetic orientation part after the second coating produces magnetic induction image further.In addition, chromatography is carried out in magnetic induction image or the ordinary optical effect region of multi-functional second coating and bottom, forms multifunctional combination effect.
Further, because the first coating can be very thin, pigment tiling better, therefore color development is effective, compared with thicker coating, lower pigment content can reach preferably that optical effect is (such as, optic metachromatic effect), or preferably magnetic induction image, save pigment and reduce costs; Simultaneously because coating is thin, comparatively small particle diameter pigment can be used, namely use the pigment of d50 below 15 microns can obtain good common light and become effect and magnetic induction image effect.
The present invention can also add two wires, three line security pigments in the second coating, when increasing other security pigment, joined in the second coating, therefore when avoiding that in conventional method, multiple pigment mixes with magnetic paint, increase magnetic orientation resistance, reduce magnetic orientation effect; Avoid pigment and binder ratio to increase simultaneously, cause the negative effect to ink film performance.These two wires, three line elements directly do not add in the first coating, therefore can give full play to respective synergistic effect, avoid multiple pigment to mix in the first coating and bring dispersion, construction in there is unstable technical problem.
Above technical scheme, solve after directly magnetic paint being added ink and carry out a magnetic orientation and solidification, magnetic paint has the technical problem of considerable influence to ink film performance.And second coating can be varnish or containing the clear coat of other particular characteristics, due to not containing the magnetic paint that Large stone height hides, the second coating performance more easily regulates, thus easily obtains the ink film performance needed.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (19)
1. a preparation method for magnetic orientation pattern, is characterized in that, described preparation method comprises:
Basalis is provided;
Described basalis is coated with the first coating, containing multiple first magnetic paint in described first coating;
Drying or solidification are carried out to described first coating;
Described first coating after described drying or solidification is coated with the second coating, and carries out swelling by described second coating to described first coating;
Described first magnetic paint in described first coating swelling to described second coating carries out magnetic orientation;
Drying or solidification are carried out, to form described magnetic orientation pattern to described second coating and swelling described first coating of described second coating.
2. preparation method according to claim 1, is characterized in that, described described first coating after described drying or solidification is coated with the second coating, and carries out swelling step by described second coating to described first coating and comprise:
The regional area of described first coating after described drying or solidification is coated with described second coating, and is undertaken swelling by the described regional area of described second coating to described first coating.
3. preparation method according to claim 2, it is characterized in that, by described second coating formation, there is the pattern of predetermined meanings, word or numeral, or by described second coating around and the first coating formation exposed has the pattern of predetermined meanings, word or numeral.
4. preparation method according to claim 1 and 2, is characterized in that, the step that described first magnetic paint in described described first coating swelling to described second coating carries out magnetic orientation comprises:
In described second coating in the subregion in the swelling region of described first coating, magnetic orientation is carried out to described first magnetic paint.
5. preparation method according to claim 1, it is characterized in that, the optical effect that described magnetic orientation pattern presents comprises by the first optical effect formed by described first magnetic paint after magnetic orientation in described first coating of described second swelling of paint coating.
6. preparation method according to claim 5, it is characterized in that, the optical effect that described magnetic orientation pattern presents comprises further by the second optical effect do not formed by described first magnetic paint in described first coating of described second swelling of paint coating and by by one or both in the 3rd optical effect formed without described first magnetic paint of magnetic orientation in described first coating of described second swelling of paint coating.
7. preparation method according to claim 6, is characterized in that, one or both in described first optical effect and described second optical effect and described 3rd optical effect are distributed in the zones of different on the surface of described basalis.
8. preparation method according to claim 1, is characterized in that, described second coating contains non-magnetic pigment or is different from the second magnetic paint of described first magnetic paint.
9. preparation method according to claim 1, is characterized in that, described second coating contains at least one in infrared markers, fluorescence labeling, trace labelling, holographic false proof mark, DNA anti-fake mark, UV mark and polarisation mark.
10. a magnetic orientation pattern, is characterized in that, described magnetic orientation pattern comprises basalis and the first coating of being sequentially arranged on described basalis and the second coating, and described first coating contains the first magnetic paint through magnetic orientation.
11. magnetic orientation patterns according to claim 10, is characterized in that, described the first magnetic paint through magnetic orientation is positioned at the swelling region of described second coating to described first coating.
12. magnetic orientation patterns according to claim 11, is characterized in that, described second coating applications in the regional area of described first coating, and carries out swelling to the described regional area of described first coating.
13. magnetic orientation patterns according to claim 12, it is characterized in that, by described second coating formation, there is the pattern of predetermined meanings, word or numeral, or by described second coating around and the first coating formation exposed has the pattern of predetermined meanings, word or numeral.
14. magnetic orientation patterns according to claim 11 or 12, it is characterized in that, described the first magnetic paint through magnetic orientation is positioned at the subregion of described second coating to the swelling region of described first coating.
15. magnetic orientation patterns according to claim 11, it is characterized in that, the optical effect that described magnetic orientation pattern presents comprises by by the first optical effect formed through described first magnetic paint of magnetic orientation in described first coating of described second swelling of paint coating.
16. magnetic orientation patterns according to claim 15, it is characterized in that, the optical effect that described magnetic orientation pattern presents comprises further by the second optical effect do not formed by described first magnetic paint in described first coating of described second swelling of paint coating and by by one or both in the 3rd optical effect formed without described first magnetic paint of magnetic orientation in described first coating of described second swelling of paint coating.
17. magnetic orientation patterns according to claim 16, is characterized in that, one or both in described first optical effect and described second optical effect and described 3rd optical effect are distributed in the zones of different on the surface of described basalis.
18. magnetic orientation patterns according to claim 10, is characterized in that, described second coating contains non-magnetic pigment or is different from the second magnetic paint of described first magnetic paint.
19. magnetic orientation patterns according to claim 10, is characterized in that, described second coating contains at least one in infrared markers, fluorescence labeling, trace labelling, holographic false proof mark, DNA anti-fake mark, UV mark and polarisation mark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410504719.9A CN104260572B (en) | 2014-09-26 | 2014-09-26 | A kind of magnetic orientation pattern and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105701671A (en) * | 2016-01-21 | 2016-06-22 | 鲁东大学 | Information safety protection system |
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| CN104260572B (en) | 2016-11-23 |
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