CN101920586A - The manufacture method of decoration sheet, decoration sheet formed body and decoration sheet - Google Patents
The manufacture method of decoration sheet, decoration sheet formed body and decoration sheet Download PDFInfo
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- CN101920586A CN101920586A CN2010102133531A CN201010213353A CN101920586A CN 101920586 A CN101920586 A CN 101920586A CN 2010102133531 A CN2010102133531 A CN 2010102133531A CN 201010213353 A CN201010213353 A CN 201010213353A CN 101920586 A CN101920586 A CN 101920586A
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Abstract
The invention provides the manufacture method of the formed body and the decoration sheet of a kind of decoration sheet, decoration sheet.In decoration sheet, on a face, be formed with dye layer by the base material film that resin constituted with light transmission, further be formed with the reflection that the dielectric film by metal oxide constitutes on the dye layer of this base material film and increase rete being formed at.
Description
Technical field
The present invention relates to the manufacture method of the formed body and the decoration sheet of a kind of decoration sheet, decoration sheet, it is used to obtain the employed housings that banded such as mobile phone, electronic equipment.
Background technology
Originally, for the housing that makes mobile phone, electronic equipment etc. is more attractive in appearance, known a kind of technology made the surface of this housing have metallicity gloss (metal-like).As such technology, at first, be formed on the decoration sheet that has colored resin layer and metal film layer on the base material film, this colored resin layer is to use printing machine to form desired color by printing.Then, use resulting decoration sheet to obtain forming the decoration sheet formed body of the housing of goods by the inserts moulding.Thus, the method that obtains having the resin-formed body of metallic luster by said method is known (TOHKEMY 2004-255666 number).
Summary of the invention
The technical problem that invention will solve
But, if form the metal film layer of conduction in order to give metallic luster, so at surface of shell, can be on the metal film layer of this conduction owing to the communication electric wave produces induced-current, therefore, be easy to generate noise, cause the action of mobile phone, electronic equipment etc. bad easily.Particularly carry out the equipment of information transmit-receive, be easy to produce the problem that susceptibility reduces that receives for use antenna as the mobile phone.
The present invention is in view of above-mentioned prior art problems point, with the manufacture method that a kind of like this decoration sheet, decoration sheet formed body and decoration sheet are provided is technical task, be the material that this decoration sheet and formed body thereof and manufacture method are used the action that can not influence mobile phone and other electronic equipment etc., can obtain having simultaneously the beautiful appearance of metallicity gloss and desired color.
The means that the technical solution problem is used
In order to address the above problem, the decoration sheet of a form of the present invention is characterised in that, on a face, be formed with dye layer, further be formed with the reflection that the dielectric film by metal oxide constitutes on the dye layer of this base material film and increase rete being formed at by the base material film that resin constituted with light transmission.
For described decoration sheet, it is desirable to, described dye layer is by the sublimable dye photographic fixing is formed on a face of described base material film.
For described decoration sheet, it is desirable to, it is to form by the refractive index of the described base material film of interaction cascading refractive index ratio high film and the low relatively film of refractive index that described reflection increases rete.
The decoration sheet formed body of another form of the present invention is characterised in that, comprising: the base material film that is colored on face, and this base material film is made of the resin with light transmission; The resin substrate bonding with described base material film, this resin substrate has the wall thickness than base material thickness, is formed with dye layer and increases rete by the reflection that the film of metal oxide constitutes between described base material film and described resin substrate.
For described decoration sheet formed body, it is desirable to, it is to form by the refractive index of the described base material film of interaction cascading refractive index ratio high film and the low relatively film of refractive index that described reflection increases rete.
It is characterized in that of the manufacture method of the decoration sheet of another another form of the present invention, comprising: on a face of base material film, dye with light transmission, thus the 1st step of formation dye layer; Form the 2nd step that reflection increases film on the described dye layer that in the 1st step, forms.
Manufacture method for described decoration sheet it is desirable to, and described the 1st step is to dye on a face of described base material film by gas phase transfer printing decoration method.
The effect of invention
Adopt the present invention, owing to use the dielectric (insulator) of metal oxide, therefore, and can be owing to the communication electric wave does not produce induced-current, thus can not produce noise.And, can use the material of the action that can not influence electronic equipment etc., can obtain having simultaneously the gloss of metal and the beautiful appearance of desired color.
Description of drawings
Fig. 1 is the figure of formation that the decoration sheet of this example is shown.
Fig. 2 is the figure of operation that the gas phase transfer printing decoration method of this example is shown.
Fig. 3 is the figure of formation that the decoration sheet formed body of this example is shown.
Meet explanation
1. base material film
2. dye layer
3. reflection increases rete
4. adhesive layer
5. substrate
6. basalis
10. decoration sheet
The specific embodiment
Below, with reference to accompanying drawing example of the present invention is described.Fig. 1 is the ideograph of an example that the decoration sheet of this example is shown.
Illustrated decoration sheet 10 is to form dye layer 2 on as a face of the base material film 1 of substrate, and forming reflection further on dye layer 2 increases rete 3 and form.As base material film 1, can use rightly have to a certain degree stable on heating, and can use the transparent resin molding of the dyeing of regulation.Specifically, can use the thermoplastic resin film of PETG, Merlon, polystyrene, polypropylene etc., and the thermosetting resin of polyimides, poly-epoxy (Port リ エ Port キ シ) etc.In addition, the thickness of desirable base material film 1 is 0.01mm～1.0mm, and even more ideal is about 0.05mm～0.3mm.If the not enough 0.01mm of the thickness of base material film is then because the heat when dyeing, during moulding is easy to generate problems such as the contraction that can not allow, distortion.And under the situation of thickness greater than 0.5mm, processability reduces, is difficult to operation.
Below, the colouring method of the base material film 1 of this example is described.Fig. 2 is the ideograph of summary that the operation of gas phase transfer printing decoration method is shown.3 kinds of printing ink (red, blue, Huang) of gas phase transfer printing dyeing usefulness are respectively charged in the print cartridge 41 that commercially available ink-jet printer uses, again this print cartridge are installed in the ink-jet printer 40 (hereinafter slightly being called printer).Printer can use commercially available product.Gas phase transfer printing dyeing is preferably used the sublimable dye that Kui phthalein ketone (キ ノ Off タ ロ Application) is, the sublimable dye that anthraquinone (ア Application ト ラ キ ノ Application) is etc. with the employed dyestuff of printing ink.
Then, print desired color, use the personal computer 50 that is connected with printer 40 (below be called PC) to carry out the color that will print and the modulation of concentration in order to use printer 40.PC50 can use commercially available product.The modulation of color is to utilize the mapping software of PC50 to carry out, and therefore, desired color data can be kept in the interior storage medium of PC50, can obtain time identical color arbitrarily as required.And the deep or light of color also can carry out digital management with color the samely.
The matrix 100 that is printed sublimable dye can use commercially available print paper.Matrix 100 is not limited to print paper, as long as it is just passable to utilize printer 40 to print.But, it is desirable to the material that uses heat-absorption properties good because when the gas phase transfer printing, can heat to it.In addition, though what use in this example is ink-jet printer, also be not limited thereto, for example, the printing equipment that uses laser printer etc. sublimable dye can be coated on the matrix of regulation also is fine.
After matrix 100 is installed on the printer 40,, print according to color and the concentration set by operation PC50.On the matrix 100 that is printed, be printed with dyed layer 100a, this dyed layer 100a is coated with the dyeing printing ink that contains sublimable dye.The size of dyed layer 100a it is desirable to be a bit larger tham employed base material film 1.The printing shape of dyed layer 100a decides by the operation of PC50.Dyed layer 100a can be all to be the color matching of homogeneous, also can have different colors, the color of gradual change (グ ラ デ one シ ヨ Application) or pattern etc.
Then, use the matrix 100 that prints base material film 1 to be dyeed by gas phase transfer printing decoration method.The process of gas phase transfer printing decoration method is as follows: the matrix that at first will be coated with sublimable dye (dyeing printing ink) is placed in the vacuum and heats, and makes the sublimable dye distillation, and evaporation is to a face of the base material film relative with matrix.Then, there is the base material film of sublimable dye to heat to evaporation, the sublimable dye photographic fixing is dyeed by temperature with regulation.
The matrix 100 and the base material film 1 that print are set in the vacuum gas phase transfer interpreter main body 20, and the sublimable dye evaporation that makes dyed layer 100a is to base material film 1.The front of vacuum gas phase transfer interpreter main body 20 is provided with conveying end not shown in the figures, is used to put into, takes out matrix 100 and base material film 1.In vacuum gas phase transfer interpreter main body 20, Halogen lamp LED 21 is installed, it is as the heater that matrix 100 is heated in the noncontact mode.In addition, use Halogen lamp LED as heater in this example, but be not limited thereto, as long as can just can the matrix heating.Drum pump 22 is used to make in the vacuum gas phase transfer interpreter main body 20 and is in vacuum.Leak valve 23 is used for the air of outside is put into the almost vacuum gas phase transfer interpreter main body 20 of vacuum, makes it turn back to atmospheric state.
Place the anchor clamps 30 of vacuum gas phase transfer interpreter main body 20 inside to be used for matrix 100 and base material film 1 being fixed maintenance making under matrix 100 state relative with base material film 1 noncontact.Anchor clamps 30 comprise film mounting table that is used for mounting base material film 1 and the matrix mounting table that is used for mounting matrix 100.Be loaded in anchor clamps 30 under the dyeing predetermined face that makes base material film 1 state relative non-contactly with the face of the dyed layer 100a side of matrix 100, sealed body 20 then, use drum pump 22 to make it be in the state of vacuum.When main body 20 reaches specified vacuum and spends, Halogen lamp LED 21 is lighted, heat from the top to matrix 100 in non-contacting mode.Heating-up temperature on the matrix 100 it is desirable to, under the prerequisite that does not make dye deterioration, film distortion, and high as far as possible temperature.In addition, in this example, matrix 100 is placed upside, base material film 1 is placed downside, but be not limited thereto.Also can be that matrix 100 places downside, base film 1 to place the formation of upside.In this case, heater preferably places the below of matrix 100.
Heat by lighting 21 pairs of matrixes 100 of Halogen lamp LED, thereby dyestuff distils, evapotranspires from dyed layer 100a, and evaporation is on the dyeing predetermined face of base material film 1.Till the heating of lighting 21 pairs of matrixes 100 of Halogen lamp LED can be performed until dyestuff on the dyed layer 100a and almost all distils, evapotranspires.
When heating finishes, when extinguishing halogen lamp 21, open leak valve 23 and make vacuum gas phase transfer interpreter main body 20 get back to normal pressure, open the door of vacuum gas phase transfer interpreter main body 20, with evaporation base material film 1 taking-up of sublimable dye.Though on the base material film 1 that is removed evaporation the sublimable dye of distillation, also come off easily like this, therefore, put it in the baking box 60, under normal pressure, heat and make the sublimable dye photographic fixing.The operation of heating is carried out according to the following steps, to be heated in the baking box below the heat resisting temperature of base material film 1 and highland design temperature as far as possible, and, in baking box base material film 1 is taken out after the process time of predesignating, the time is here predesignated in order to obtain desired color and concentration again.The heating-up temperature of desirable baking box 60 is, high as far as possible temperature in the scope that does not make dye deterioration, film distortion, and for example, heating-up temperature is about 50～150 ℃.By utilizing baking box 60 heating official hours, evaporation in the dyestuff photographic fixing on the base material film 1 on base material film 1, thereby form dye layer 2.Utilize such colouring method, a face of base material film 1 is caught desired color.
Reflection shown in Figure 1 increases rete 3 and is formed on the dye layer 2 of the base film 1 that is colored.It is to constitute by the metal oxide dielectric film that forms more than 1 layer or 2 layers that reflection increases rete 3.Such reflection increases rete 3 and has transmittance, and can the light from the face side incident of base material film 1 be reflected, and makes its metallic gloss.For transparency carrier general use, that do not pass through any processing, the reflectivity of two face is about a few percent.Therefore,, obtained better reflectivity, then had the effect that reflection increases if increase rete by forming reflection.Therefore, so long as the membrane structure that the reflectivity of reflection increase rete 3 can access in the viewing area about 10%～80% is exactly passable.Surpass 80% membrane structure though also can form reflectivity, this need increase the stacked number of the film that constitutes reflection increase rete, so the productivity variation.
Constituting such reflection increases the film of rete 3, and kind that can corresponding employed base material film 1 is appropriately selected.Reflection increases the high film of refractive index that rete 3 is to use refractive index ratio base material film 1, and the low film of the refractive index of refractive index ratio base material film 1 (perhaps, refractive index relatively low film with respect to the film of high index of refraction), and with these single film layer or alternately be layered on the base material film 1 and form.And the film that is formed at first on the base material film 1 is the film of high index of refraction.Under the situation that only is formed with thin film, form the film of high index of refraction.The film of such high index of refraction is to use the film of refractive index about 1.50～2.50.Specifically, the main component of the film of high index of refraction is, as ZrO
2(refractive index 1.9), TiO
2The metal oxide of (refractive index 2.2) etc.And, also can use Ta in addition
2O
5, Nb
2O
5The film of low-refraction is to use the film of refractive index about 1.35～1.60, and specifically, the main component of the film of low-refraction is, as SiO
2The metal oxide of (refractive index 1.46) etc.As long as the film of these highs index of refraction and low-refraction has and obtains desired reflection to increase the needed thickness of effect just passable.In addition, in order especially the light in specific wavelength territory to be reflected and the thickness of each dielectric film to be adjusted, thus, reflection increases rete 3 can make reverberation have specific color, by with the harmonious colours of dye layer 2, can show more colorful color matching.
In this example, use TiO
2As the film of high index of refraction, use SiO
2As the film of low-refraction, on the dye layer 2 that is formed on the base material film 1, form the film of high index of refraction, and form the film of low-refraction thereon, by so alternately stacked 3 layers, increase film 3 thereby form reflection.The formation of this film can be undertaken by known film formation methods such as vacuum vapour deposition, metallikons.
Obtain after the decoration sheet 10 by such operation, by with decoration sheet 10 and the substrate 5 bonding decoration sheet formed bodys that obtain.Fig. 3 is the figure that the summary formation of decoration sheet formed body is shown.Substrate 5 is used for the panel (lid) of mobile phone, electronic equipment etc., and it is formed by the transparent resin thicker than the thickness of base material film.Use adhesive layer 4 to make the reflection of decoration sheet 10 increase the surperficial bonding of rete 3 sides and such substrate 5.Adhesive layer 4 can suitably use and be used for the known adhesive that base material is bonding, double faced adhesive tape etc.The back side at substrate 5 forms basalis 6 by modes such as printings, is used to carry out shading and highlights dye layer more and the design colours of reflection increase rete.In this example, basalis 6 is with white lining.In addition, in this example, the decoration sheet formed body forms by adhesive base plate and decoration sheet, but is not limited thereto, and also can use the film insert moulding to obtain the decoration sheet formed body.
In this example, dye layer and reflection increase rete are formed on the base material film, by it is bonded on the substrate as decoration sheet, obtain the decoration sheet formed body, but be not limited thereto, so long as it is just passable to be formed with the decoration sheet formed body of dye layer and reflection increase rete between base material film and substrate.For example, only form dye layer, on substrate, form reflection and increase rete, again the two bondingly also is fine in the base material film side.Also can be, form reflection in the base material film side and increase rete, form dye layer in substrate-side, again that the two is bonding formation further, can also be that formation dye layer and reflection increase rete, bonding with base material film again formation on substrate.
" embodiment 1 "
Using A4 size, thickness is that the PETG of 125 μ m is as base material film.Use gas phase transfer printing decoration method to dye at a face of base material film.Use the commercially available appended mapping software of personal computer, the output quantity of red, blue, yellow printing ink is set at 44%, 70%, 88% respectively, and use printer to export, make that the print paper of A4 size is whole and be uniform color depth.The printing ink that uses is Red NK-1, Yellow NK-1, the Blue NK-1 of Nidek Co., Ltd.'s system that contains the sublimable dye of anthraquinone system.
Use above-mentioned vacuum gas phase transfer interpreter, make dyestuff be sublimate into base material film and carry out evaporation from the coated paper of printing ink.The condition of evaporation is that vacuum 0.2kPa lights halogen lamp and makes the heating-up temperature on the paper reach 230 ℃.With a face evaporation base material film of dyestuff (big and science (strain) system heated 2 hours with about 120 ℃ in DKN612), to carry out the photographic fixing operation of dyestuff at baking box.
Then, use vacuum evaporation plating machine to form reflection increase rete at the dyeing face of the base material film that is colored.It is the TiO that begins to form successively blooming 20nm from dyeing face that reflection increases film
2The SiO of film, 125nm
2The TiO of film, 125nm
2Film increases film thereby form reflection.The reflection of the decoration sheet that obtains is increased the face of film side as adhesive surface, use resin-bonding it to be adhered on the polycarbonate plate (the system MR5GH of Mitsubishi engineering Plastics Co., Ltd) of thickness as 1mm, thereby obtain the decoration sheet formed body with double faced adhesive tape (ponding chemical industry (strain) system #5410).And, handle at the lining that white is carried out by printing in the back side of substrate.Look when observing resulting decoration sheet formed body from the film sidelong glance, it has and does not have beautiful appearance color spot etc., that metal-like is arranged.The spectrophotometer U-4000 that uses Hitachi's (strain) system measures the reflectivity of the decoration sheet formed body that obtains, and recording its reflectivity is 14%.
" embodiment 2 "
Except in gas phase transfer printing dyeing, carrying out outside the output of printing ink with gradual change look shape on the print paper, all, obtain the decoration sheet formed body with the condition enforcement identical with embodiment 1.Look when observing resulting decoration sheet formed body from the film sidelong glance, it has beautiful, outward appearance that metal-like is arranged, the gradual change look.
" comparative example "
Increase the film except not forming reflection, all, obtain the decoration sheet formed body with the condition enforcement identical with embodiment 1.During from the resulting decoration sheet formed body of film side visualization, though it does not have color spot, the gloss with metal-like has not had yet.And when resulting decoration sheet formed body was carried out the mensuration identical with embodiment 1, recording its reflectivity was 4%.
Claims (7)
1. a decoration sheet is characterized in that,
On a face, be formed with dye layer, further be formed with the reflection that the dielectric film by metal oxide constitutes on the dye layer of this base material film and increase rete being formed at by the base material film that resin constituted with light transmission.
2. decoration sheet as claimed in claim 1 is characterized in that,
Described dye layer is by the sublimable dye photographic fixing is formed on a face of described base material film.
3. decoration sheet as claimed in claim 2 is characterized in that,
It is to form by the refractive index of the described base material film of interaction cascading refractive index ratio high film and the low relatively film of refractive index that described reflection increases rete.
4. a decoration sheet formed body is characterized in that, comprising:
The base material film that is colored on face, this base material film is made of the resin with light transmission;
The resin substrate bonding with described base material film, this resin substrate has the wall thickness than base material thickness, is formed with dye layer and increases rete by the reflection that the film of metal oxide constitutes between described base material film and described resin substrate.
5. decoration sheet formed body as claimed in claim 4 is characterized in that,
It is to form by the refractive index of the described base material film of interaction cascading refractive index ratio high film and the low relatively film of refractive index that described reflection increases rete.
6. the manufacture method of a decoration sheet is characterized in that, comprising: on a face of base material film, dye with light transmission, thus the 1st step of formation dye layer; Form the 2nd step that reflection increases film on the described dye layer that in the 1st step, forms.
7. the manufacture method of decoration sheet as claimed in claim 6 is characterized in that,
Described the 1st step is to dye on a face of described base material film by gas phase transfer printing decoration method.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009142831A JP2011000710A (en) | 2009-06-16 | 2009-06-16 | Decorative sheet, decorative sheet molding, and method for manufacturing decorative sheet |
| JP2009-142831 | 2009-06-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101920586A true CN101920586A (en) | 2010-12-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102133531A Pending CN101920586A (en) | 2009-06-16 | 2010-06-17 | The manufacture method of decoration sheet, decoration sheet formed body and decoration sheet |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2011000710A (en) |
| CN (1) | CN101920586A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102864659A (en) * | 2011-07-06 | 2013-01-09 | 尼德克株式会社 | Method and apparatus for dyeing moulding product prepared by silicon or thermal reversible polyurethane |
| CN102929418A (en) * | 2011-08-09 | 2013-02-13 | 群康科技(深圳)有限公司 | Decorative film, image display system and method for manufacturing touch sensing device |
| CN103092379A (en) * | 2011-11-02 | 2013-05-08 | 群康科技(深圳)有限公司 | Manufacturing method for image display system and touch sensing device |
| US9207788B2 (en) | 2011-08-09 | 2015-12-08 | Innocom Technology(Shenzhen) Co., Ltd. | Decorative film on transparent substrate, a touch sensor device and method of manufacturing the same |
| US9535528B2 (en) | 2011-11-02 | 2017-01-03 | Innocom Technology (Shenzhen) Co., Ltd. | Systems for displaying images |
| CN106908884A (en) * | 2015-12-09 | 2017-06-30 | 现代自动车株式会社 | Radio wave with metallic luster can penetrated bed |
| CN110154473A (en) * | 2019-05-30 | 2019-08-23 | Oppo广东移动通信有限公司 | Shell and preparation method thereof and electronic equipment |
| CN112706552A (en) * | 2019-10-25 | 2021-04-27 | 华为机器有限公司 | Gradient glass shell, electronic equipment and preparation method of gradient glass shell |
| CN114189578A (en) * | 2021-12-08 | 2022-03-15 | 东莞市聚龙高科电子技术有限公司 | Mobile phone rear cover with composite board with gradually-changed effect and preparation method thereof |
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| JP5710170B2 (en) * | 2010-07-30 | 2015-04-30 | 株式会社ニデック | Decorative body and method of manufacturing the decorative body |
| JP6198575B2 (en) * | 2013-10-30 | 2017-09-20 | 紀伊産業株式会社 | Method for producing decorative molded body and decorative molded body obtained thereby |
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| CN102864659A (en) * | 2011-07-06 | 2013-01-09 | 尼德克株式会社 | Method and apparatus for dyeing moulding product prepared by silicon or thermal reversible polyurethane |
| CN102864659B (en) * | 2011-07-06 | 2016-08-10 | 尼德克株式会社 | The colouring method of the moulding article of silicon or thermoplastic polyurethane and dyeing apparatus |
| CN102929418A (en) * | 2011-08-09 | 2013-02-13 | 群康科技(深圳)有限公司 | Decorative film, image display system and method for manufacturing touch sensing device |
| US9207788B2 (en) | 2011-08-09 | 2015-12-08 | Innocom Technology(Shenzhen) Co., Ltd. | Decorative film on transparent substrate, a touch sensor device and method of manufacturing the same |
| CN103092379A (en) * | 2011-11-02 | 2013-05-08 | 群康科技(深圳)有限公司 | Manufacturing method for image display system and touch sensing device |
| CN103092379B (en) * | 2011-11-02 | 2016-05-25 | 群康科技(深圳)有限公司 | The manufacture method of image display system and touch sensing device |
| US9535528B2 (en) | 2011-11-02 | 2017-01-03 | Innocom Technology (Shenzhen) Co., Ltd. | Systems for displaying images |
| CN106908884A (en) * | 2015-12-09 | 2017-06-30 | 现代自动车株式会社 | Radio wave with metallic luster can penetrated bed |
| CN110154473A (en) * | 2019-05-30 | 2019-08-23 | Oppo广东移动通信有限公司 | Shell and preparation method thereof and electronic equipment |
| CN112706552A (en) * | 2019-10-25 | 2021-04-27 | 华为机器有限公司 | Gradient glass shell, electronic equipment and preparation method of gradient glass shell |
| CN114189578A (en) * | 2021-12-08 | 2022-03-15 | 东莞市聚龙高科电子技术有限公司 | Mobile phone rear cover with composite board with gradually-changed effect and preparation method thereof |
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| JP2011000710A (en) | 2011-01-06 |
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Application publication date: 20101222 |