CN100475519C - Allochromatic sheet with impressed grains - Google Patents
Allochromatic sheet with impressed grains Download PDFInfo
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- CN100475519C CN100475519C CNB031237983A CN03123798A CN100475519C CN 100475519 C CN100475519 C CN 100475519C CN B031237983 A CNB031237983 A CN B031237983A CN 03123798 A CN03123798 A CN 03123798A CN 100475519 C CN100475519 C CN 100475519C
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Abstract
The allochromatic sheet with impressed grains includes mainly two layers of laminated polymer, and features that of the two layers of laminated polymer, the lower layer has higher heat resisting temperature and deeper color than the upper layer. Therefore, after hot pressing grain treatment, the hot pressed part will show the color of lower layer of polymer.
Description
Technical field
The invention relates to a kind of allochromatic sheet with impressed grains (sheet).
Background technology
Allochromatic sheet with impressed grains is a kind of via after the hot pressing line fabrication process, and the position of being heated pressurization can present the sheeting of different colours, and it has been widely used on clothing, shoes, suitcase, sofa or the trade mark.
The method of known manufacturing allochromatic sheet with impressed grains is only with one deck polyamine fat (polyurethane, to call PU in the following text) resin combination is coated on as the plastic foil of base material or on weaving cotton cloth, in regular turn through solidify, procedure for processing such as washing, drying, the top layer of this PU coat its color after drying can become more shallow than the nexine of this PU coat, obtains an allochromatic sheet with impressed grains by this.
This allochromatic sheet with impressed grains is after handling with known wheel printing process, and the position of being heated pressurization can present the color of this PU coat nexine, and the part of other pressurized that is not heated then presents the color that this PU applies the top layer, and forms contrast.In addition, also this allochromatic sheet with impressed grains and the release liners with lines can be fitted and process (being coated with the two-liquid type PU constituent that one deck one liquid type PU constituent and one deck are used as following layer on this release liners), when peeling off release liners, the position that oppressed by lines can present the color of this PU coat nexine, the be heated part of pressurized of other end then presents the color that this PU applies the top layer, and forms contrast.
Therefore yet the top layer of known allochromatic sheet with impressed grains all is made up of identical PU resin combination with nexine, only can present the difference of same shade after hot pressing line fabrication process and can't form two kinds of different colour systems, thereby striking contrast can't be provided.In addition, the top layer of known allochromatic sheet with impressed grains both was made up of identical PU resin combination with nexine, then its heat resisting temperature does not just have difference yet, therefore when this allochromatic sheet with impressed grains is carried out hot pressing line fabrication process, heating can be melted the surfacing of embossing part, also can melt the nexine material of embossing part, and the surfacing of fusing and nexine material mix, make lines fuzzy not obvious, thereby more valueless sense and active the variation.
Summary of the invention
The purpose of this invention is to provide a kind of allochromatic sheet with impressed grains, its embossing part can present two kinds of different colour systems with surface portion, so that good contrast effect to be provided.
Another object of the present invention provides a kind of allochromatic sheet with impressed grains, and embossing partly has clear profile.
In order to reach above-mentioned and other purpose, the invention provides a kind of two-layer allochromatic sheet with impressed grains, it comprises one first high polymer layer and one second high polymer layer is located on this first high polymer layer.The invention is characterized in that the heat resisting temperature of this first high polymer layer is higher than the heat resisting temperature of second high polymer layer, and the color of this first high polymer layer can be different with the color of second high polymer layer and has a darker color, after this thin slice was with a hot pressing line fabrication process, the position of being heated pressurization can show the color of this first high polymer layer by this.
The present invention provides a kind of three-layer type allochromatic sheet with impressed grains in addition, it comprises one the 3rd high polymer layer and is located at aforesaid two-layer allochromatic sheet with impressed grains, make this first high polymer layer be located between this second and the 3rd high polymer layer, promptly the 3rd high polymer layer is located between first high polymer layer and the base material, wherein the heat resisting temperature of this first high polymer layer also is higher than the heat resisting temperature of the 3rd high polymer layer, and the color of this first high polymer layer also can be different with the color of the 3rd high polymer layer and have a darker color.Preferably, the 3rd high polymer layer is identical with this second high polymer layer, and the user can select arbitrarily to carry out hot pressing line processing procedure in the surface of the second or the 3rd high polymer layer by this.
Preferably, this second high polymer layer (and the 3rd high polymer layer) is an opaque and white, good contrast not only is provided, and after through hot pressing line fabrication process, the color that first high polymer layer that the difficult influence of second (or 3rd) high polymer layer of fusing manifests is presented.If darker color is wished to present in the surface of allochromatic sheet with impressed grains, grey for example, this allochromatic sheet with impressed grains can comprise a chromatograph in addition and be printed on this second (or 3rd) high polymer layer, after surface that this thin slice has a chromatograph was with hot pressing line fabrication process, the position of being heated pressurization can show the color of this chromatograph by this.
Aforesaid two-layer or three-layer type allochromatic sheet with impressed grains can be located on the base material, this base material can be a plastic foil or through the base cloth (for example nylon is weaved cotton cloth) of impregnation high molecular polymer, and this base material can separate with the bottom high polymer layer, therefore when using this allochromatic sheet with impressed grains, this base material of can tearing directly adheres on the work package this allochromatic sheet with impressed grains.
The pliability of allochromatic sheet with impressed grains of the present invention, feel are all superior than known technology, and this allochromatic sheet with impressed grains is through applying adhesive-bonded fabric, elastical cloth, split leather ... behind base material, can be widely used in the dermatine or the trade mark of clothing, shoes, suitcase, sofa.In addition, the allochromatic sheet with impressed grains of known technology is after the embossing variable color is handled, and its color contrast that presents is very not obvious; Relatively, allochromatic sheet with impressed grains provided by the invention is after the embossing variable color is handled, and no matter whether the top layer as background color has printing color, can both present the obvious diverse colour system of contrast, than the finished product of known technology more various selection and variation is arranged.
Description of drawings
For allow above and other objects of the present invention, feature, and advantage can be more obvious, preferred embodiment of the present invention cited below particularly, and cooperate appended icon is described in detail below:
Fig. 1 is the cutaway view of the three-layer type allochromatic sheet with impressed grains of one specific embodiment according to the present invention;
Fig. 2 is the schematic diagram that allochromatic sheet with impressed grains shown in Figure 1 is carried out hot pressing line processing procedure;
Fig. 3 is the cutaway view of the two-layer allochromatic sheet with impressed grains of another specific embodiment according to the present invention;
Fig. 4 is the cutaway view of the allochromatic sheet with impressed grains of another specific embodiment surface printing nonferrous layer according to the present invention;
Fig. 5 is that allochromatic sheet with impressed grains shown in Figure 1 is located at the cutaway view on the base material;
But Fig. 6 is the cutaway view of sheet adhering on work package of embossing variable color shown in Figure 1;
Fig. 7 a is the embossing variable color thin slice according to the embodiment of the invention 1;
Fig. 7 b is the embossing variable color thin slice according to the embodiment of the invention 3;
Fig. 7 c is the embossing variable color thin slice according to comparing embodiment 1 of the present invention.
[figure number explanation]
100 three-layer type allochromatic sheet with impressed grains
104 high polymer layers, 106 high polymer layers
108 high polymer layers, 110 multi-cellular structures
202 wheels
300 two-layer allochromatic sheet with impressed grains
400 allochromatic sheet with impressed grains, 402 chromatographs
502 base materials
602 work packages
The specific embodiment
Fig. 1 is a three-layer type allochromatic sheet with impressed grains 100 according to an embodiment of the invention, and it comprises three folded layer by layer high molecular polymers (for example containing Polyurethane (PU) resin combination) layers 104,106,108 (its gross thickness preferable at about 0.2mm extremely between about 1mm).
The invention is characterized in that the heat resisting temperature of high polymer layer 106 is higher than the heat resisting temperature of high polymer layer 104 and 108, and the color of the color of high polymer layer 106 and high polymer layer 104 and 108 is different and have a darker color.Preferably, this three floor heights Molecularly Imprinted Polymer layer 104,106,108 has open multi-cellular structure 110 separately, makes this allochromatic sheet with impressed grains 100 have the texture and the gas permeability of similar real leather by this.
Fig. 2 is the schematic diagram that allochromatic sheet with impressed grains shown in Figure 1 100 is carried out hot pressing line processing procedure, so-called " hot pressing line processing procedure " promptly is to utilize the wheel 202 that for example is carved with lines to apply high temperature and high pressure in allochromatic sheet with impressed grains 100, melt and compress the high polymer layer 108 that this allochromatic sheet with impressed grains 100 is heated the position of pressurization by this, with color that shows this high polymer layer 106 and the effect that forms embossing pattern (embossment).
Preferably, high polymer layer 104 and high polymer layer 108 are to be opaque and white or light color, good contrast so not only is provided, and after through hot pressing line fabrication process, the color that the high polymer layer 106 that the high polymer layer 108 difficult influences of fusing manifest is presented.
The design of the allochromatic sheet with impressed grains 100 of aforementioned three-layer type, be in order to allow the color of high polymer layer 106 of this thin slice 100 can be before the embossing variable color be hidden by this high polymer layer 104,108 fully, and make things convenient for the user can select the surface of high polymer layer 104 or 108 to carry out hot pressing line processing procedure arbitrarily.In addition, the present invention also provides a kind of two-layer allochromatic sheet with impressed grains 300 to be shown in Fig. 3, this two-layer allochromatic sheet with impressed grains 300 only comprises high polymer layer 106 and 108, reach good contrast effect through also having two kinds of different colour systems after the hot pressing line processing procedure, and embossing partly has clear profile.
In addition, if darker color is wished to present in the surface of this allochromatic sheet with impressed grains, grey for example, the present invention provides an embodiment allochromatic sheet with impressed grains 400 in addition, as shown in Figure 4, this allochromatic sheet with impressed grains 400 can comprise a chromatograph 402 in addition and be printed on this high polymer layer 108, and by this after surface that this thin slice 400 has a chromatograph 402 is with hot pressing line fabrication process, the position that pressurization is heated at the end can show the color of this chromatograph 402.In like manner, when for to make things convenient for the user can select to desire to carry out the sheet surface of hot pressing line processing procedure arbitrarily, also can form a chromatograph 402 on high polymer layer 104.
Aforementioned two-layer or three-layer type allochromatic sheet with impressed grains can be located at (the preferable thickness of this base material is that about 0.1mm is to about 2mm) on the base material.As shown in Figure 5, this base material 502 can be a plastic foil or through the base cloth (for example nylon is weaved cotton cloth or adhesive-bonded fabric) of impregnation high molecular polymer, and this base material can separate with high polymer layer 104.When using this allochromatic sheet with impressed grains, this base material of can tearing conforms to this allochromatic sheet with impressed grains 100 on the work package 602 (referring to Fig. 6) then.In addition, need earlier through the reason of impregnation high molecular polymer, be for base material can be separated smoothly with this allochromatic sheet with impressed grains, and this base material and the enough adhesions of this allochromatic sheet with impressed grains are provided as the base cloth of base material.
The present invention provides the manufacture method of aforementioned allochromatic sheet with impressed grains in addition.Haply, this method is to form first, second and the 3rd high polymer layer on a base material in regular turn, and the heat resisting temperature of formed second high polymer layer is higher than the heat resisting temperature of the first and the 3rd high polymer layer, and the color of second high polymer layer is dark than the color of the first and the 3rd high polymer layer.
At first, if use base cloth, dried after needing earlier base cloth to be impregnated in high molecular polymer as ground.Detailed speech, it is that base cloth is dipped in the groove that contains aqueous polymer solution, again through the thickness of pressure rolling wheel pressure rolling with impregnation solution on the control base cloth, just with in the unnecessary impregnation flow of solution return-enclosure, the base cloth that will have impregnation solution subsequently inserts that heating forms a film with the moisture content oven dry in the base cloth surface in the drying unit.In addition, can directly be ground also with the plastic foil.
Then, this base cloth or plastic foil that is covered with aqueous polymer is passed through an apparatus for coating, to be coated in this base cloth surface according to first macromolecule polymer solution (for example PU resin solution) that special ratios is dissolved in the solvent, form predetermined thickness, preferably this first high molecular polymer does not add colorant or only adds a small amount of colorant.
The base cloth that again this is covered with first high molecular polymer is delivered to inside and was equipped with in the coagulating basin of fluid,matching about 5-10 minute, wherein the composition of this fluid,matching is solvent (DMF) and non-solvent (water), the ratio of solvent can be from 0-30%, and non-solvent accounts for major part (ratio of solvent can be 0), when the base cloth that is coated with high molecular polymer passes through coagulating basin, utilize the compatibility feature of water and solvent (DMF), make the solvent in the high molecular polymer can produce displacement reaction (combined action) in inside with the non-solvent that cooperates, also be that solvent (DMF) in the high molecular polymer disengages and is dissolved in the non-solvent (water) from inside, and solvent (DMF) disengages formed space, back and can be inserted by non-solvent (water), can cause the high molecular polymer of coating layer to solidify and forms an open multi-cellular structure.
And then the base cloth that will be covered with first high molecular polymer inserts a rinsing bowl, is the water of non-solvent in the rinsing bowl, and it act as the solvent that flush away residues in high molecular polymer.
Afterwards, the base cloth that is covered with first high molecular polymer is inserted a drying unit, dry.
Then, the base material that again this is covered with first high molecular polymer places an apparatus for coating, and hear resistance and needs that the hear resistance that is coated with second macromolecule polymer solution (a for example PU resin solution) thereon and forms this second layer high molecular polymer of predetermined thickness will be higher than ground floor add colorant.
This base material that is covered with second high molecular polymer is delivered to inside in regular turn is equipped with in the coagulating basin of fluid,matching, last about 5-10 minute; Be delivered to rinsing bowl, flush away residues in the solvent of high molecular polymer; At last, be delivered to drying unit, dry.
At last, be coated with the 3rd high molecular polymer of predetermined thickness again, the hear resistance of the 3rd high molecular polymer is lower than second high molecular polymer and does not add colorant or only add a small amount of colorant.Preferably, the 3rd high molecular polymer adopts and the ground floor identical materials.
This base material that is covered with the 3rd high molecular polymer is delivered to inside in regular turn is equipped with in the coagulating basin of fluid,matching, last about 5-10 minute; Be delivered to rinsing bowl, flush away residues in the solvent of high molecular polymer; At last, be delivered to drying unit, promptly obtain an allochromatic sheet with impressed grains after drying.
In addition, also can be coated with aforesaid three floor height Molecularly Imprinted Polymers earlier in regular turn, together solidify again, wash, dry also and can obtain allochromatic sheet with impressed grains of the present invention in a base material.
Following embodiment is in order to being described in more detail the present invention, and is not in order to limit the present invention.
Embodiment 1
Weaving cotton cloth with nylon (nylon) is base material, the coating impregnation of this nylon being weaved cotton cloth being constituted earlier with 80% water-based acryl resin constituent and 20% water, and dry down at 140 ℃ to form the flexible material of tool.This base material is sent into an apparatus for coating, be coated with one 20% a liquid type PU resin solution that does not add colorant (is solvent with dimethyl amide (dimethyl formamida is called for short DMF)).The base material that again this is covered with the PU resin solution is delivered to inside and was equipped with in the coagulating basin of fluid,matching 8 minutes, and wherein the ratio of this fluid,matching composition is DMF: water=15: 85.And then the base cloth that will be covered with high molecular polymer is sent into a rinsing bowl that water is housed residues in high molecular polymer with flush away solvent.Afterwards, the base cloth that is covered with high molecular polymer is inserted a drying unit, in dry under 130 ℃ 10 minutes again on bottom PU resin coating one deck heat resisting temperature than the high 20% blue liquid type PU resin solution of bottom PU resin (with dimethyl amide (dimethyl formamida, be called for short DMF) be solvent), with solidifying as hereinbefore, washing, baking step, form an intermediate layer PU resin again; Last on the PU resin of intermediate layer coating one deck heat resisting temperature than intermediate layer PU resin low 20% do not add a liquid type PU resin solution of colorant (with dimethyl amide (dimethyl formamida, be called for short DMF) be solvent), and process and just obtain an allochromatic sheet with impressed grains with solidifying as hereinbefore, washing, baking step again.This thin slice is printed its surface with the wheel that is carved with lines, and can get a surface has the embossing variable color thin slice finished product of blue lines background color for white, shown in Fig. 7 a.
Embodiment 2
Weaving cotton cloth with nylon (nylon) is base material, the coating impregnation of this nylon being weaved cotton cloth being constituted earlier with 80% water-based PU resin combination and 20% water, and dry down at 140 ℃ to form the flexible material of tool.On above-mentioned base material, be coated with a bottom 20% in regular turn and do not add a liquid type PU resin solution of colorant, a liquid type PU resin solution of colorant is not added on one intermediate layer, 20% a blue liquid type PU resin solution and a top layer 20%, and wherein the heat resisting temperature of this intermediate layer PU resin solution is higher than this bottom or top layer PU resin solution; Again these three layers of PU resin solutions are solidified, wash, dry at last and just obtain an allochromatic sheet with impressed grains.This thin slice is printed its surface with the wheel that is carved with lines, and can get a surface has the embossing variable color thin slice finished product of blue lines background color for white.
Embodiment 3
Make after the allochromatic sheet with impressed grains with the processing procedure identical with embodiment 1, print a gray paint in this allochromatic sheet with impressed grains top layer, the surface that has gray paint again with the wheel printing of being carved with lines can get the surface embossing variable color thin slice finished product that blue lines background color is arranged is grey.Shown in Fig. 7 b.
Comparing embodiment 1
Weaving cotton cloth with nylon (nylon) is base material, the coating impregnation of this nylon being weaved cotton cloth being constituted earlier with 80% acryl resin constituent and 20% water, and dry down at 140 ℃ to form the flexible material of tool.On aforesaid base material, only be coated with one deck PU resin solution, this base material that has been coated with the PU resin solution is imposed identical with embodiment 1 solidify, washing, baking step processing just obtain an allochromatic sheet with impressed grains.This thin slice is printed its surface with the wheel that is carved with lines, can get a surperficial textured embossing variable color thin slice finished product, shown in Fig. 7 c.
The comparative result of the thin slice that the thin slice that aforesaid embodiment 1,2 is made and comparing embodiment 1 are made is listed in table 1.
Table 1
| Feel | The color contrast effect | Pliability | The one sense | |
| Embodiment 1 | 5 | 5 | 5 | 5 |
| Embodiment 2 | 5 | 5 | 5 | 5 |
| Comparative example 3 | 4 | 1 | 2 | 2 |
Annotate: 5: superior; 4: good; 3: can; 2: slightly can; 1: poor
Show and learn by the result of last table, the pliability of allochromatic sheet with impressed grains of the present invention, feel are all superior than known technology, and this allochromatic sheet with impressed grains is through applying adhesive-bonded fabric, elastical cloth, split leather ... behind base material, can be widely used in the dermatine or the trade mark of clothing, shoes, suitcase, sofa.
In addition, compare finished product according to the comparing embodiment 1 of embodiments of the invention 1, embodiment 3 and known technology, can find out that from Fig. 7 a, 7b, 7c the allochromatic sheet with impressed grains of known technology is after the embossing variable color is handled, its color contrast that presents is very not obvious; Relatively, allochromatic sheet with impressed grains provided by the invention is after the embossing variable color is handled, and no matter whether the top layer as background color has printing color, can both present the obvious diverse colour system of contrast, than the finished product of known technology more various selection and variation is arranged.
Though the present invention illustrates in detail with reference to preferred embodiment of the present invention, is understandable that this announcement is non-limiting the present invention with illustration the present invention, anyly have the knack of this skill person, without departing from the spirit and scope of the present invention, when doing various changes and modification.Therefore protection scope of the present invention is as the criterion when looking the claim protection domain person of defining.
Claims (23)
1, a kind of allochromatic sheet with impressed grains is located on the base material, it is characterized in that, this allochromatic sheet with impressed grains includes:
First high polymer layer, it is located on this base material; And
Second high polymer layer, it is located on this first high polymer layer;
Wherein the heat resisting temperature of this first high polymer layer is higher than the heat resisting temperature of this second high polymer layer, and the color of this first high polymer layer is dark than the color of this second high polymer layer.
2, a kind of allochromatic sheet with impressed grains as claimed in claim 1, wherein, this allochromatic sheet with impressed grains includes a chromatograph in addition and is printed on this second high polymer layer, and after this thin slice was with hot pressing line fabrication process, the position of being heated pressurization can show the color of this chromatograph.
3, a kind of allochromatic sheet with impressed grains as claimed in claim 1, wherein, this allochromatic sheet with impressed grains includes the 3rd high polymer layer in addition, and it is located between this first high polymer layer and this base material.
4, a kind of allochromatic sheet with impressed grains as claimed in claim 1, wherein, this first high polymer layer or this second high polymer layer comprise a polyurethane (PU) resin combination.
5, a kind of allochromatic sheet with impressed grains as claimed in claim 3, wherein, the 3rd high polymer layer comprises a polyurethane (PU) resin combination.
6, a kind of allochromatic sheet with impressed grains as claimed in claim 1, wherein, this second high polymer layer is an opaque and white.
7, a kind of allochromatic sheet with impressed grains as claimed in claim 3, wherein, the 3rd high polymer layer is an opaque and white.
8, a kind of allochromatic sheet with impressed grains as claimed in claim 1, wherein, this first high polymer layer or this second high polymer layer comprise an open multi-cellular structure.
9, a kind of allochromatic sheet with impressed grains as claimed in claim 3, wherein, the 3rd high polymer layer comprises an open multi-cellular structure.
10, a kind of allochromatic sheet with impressed grains as claimed in claim 1, wherein, the gross thickness of this first high polymer layer and this second high polymer layer is between 0.2mm to 1mm.
11, a kind of allochromatic sheet with impressed grains as claimed in claim 3, wherein, the gross thickness of this first high polymer layer, second high polymer layer and the 3rd high polymer layer is between 0.2mm to 1mm.
12, a kind of allochromatic sheet with impressed grains as claimed in claim 1, wherein,
Described first high polymer layer has relative upper surface and lower surface; Described second high polymer layer is located at the upper surface on this first high polymer layer.
13, a kind of allochromatic sheet with impressed grains as claimed in claim 12, wherein, this allochromatic sheet with impressed grains includes a chromatograph in addition and is printed on this second high polymer layer, and after this thin slice was with hot pressing line fabrication process, the position of being heated pressurization can show the color of this chromatograph.
14, a kind of allochromatic sheet with impressed grains as claimed in claim 12, wherein, this allochromatic sheet with impressed grains includes the 3rd high polymer layer in addition, and it is located at the lower surface of this first high polymer layer.
15, a kind of allochromatic sheet with impressed grains as claimed in claim 14, wherein, this allochromatic sheet with impressed grains includes a chromatograph in addition and is printed on this second high polymer layer, and after this thin slice was with hot pressing line fabrication process, the position of being heated pressurization can show the color of this chromatograph.
16, a kind of allochromatic sheet with impressed grains as claimed in claim 12, wherein, this first high polymer layer or this second high polymer layer comprise a polyurethane (PU) resin combination.
17, a kind of allochromatic sheet with impressed grains as claimed in claim 14, wherein, the 3rd high polymer layer comprises a polyurethane (PU) resin combination.
18, a kind of allochromatic sheet with impressed grains as claimed in claim 12, wherein, this second high polymer layer is an opaque and white.
19, a kind of allochromatic sheet with impressed grains as claimed in claim 14, wherein, the 3rd high polymer layer is an opaque and white.
20, a kind of allochromatic sheet with impressed grains as claimed in claim 12, wherein, this first high polymer layer or this second high polymer layer comprise an open multi-cellular structure.
21, a kind of allochromatic sheet with impressed grains as claimed in claim 14, wherein, the 3rd high polymer layer comprises an open multi-cellular structure.
22, a kind of allochromatic sheet with impressed grains as claimed in claim 12, wherein, the gross thickness of this first high polymer layer and this second high polymer layer is between 0.2mm to 1mm.
23, a kind of allochromatic sheet with impressed grains as claimed in claim 14, wherein, the gross thickness of this first high polymer layer, second high polymer layer and the 3rd high polymer layer is between 0.2mm to 1mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031237983A CN100475519C (en) | 2003-05-22 | 2003-05-22 | Allochromatic sheet with impressed grains |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031237983A CN100475519C (en) | 2003-05-22 | 2003-05-22 | Allochromatic sheet with impressed grains |
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| CN100475519C true CN100475519C (en) | 2009-04-08 |
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Granted publication date: 20090408 Termination date: 20120522 |