CN111497512A - Preparation method of single-layer gradient 3D (three-dimensional) dazzling texture decorative sheet - Google Patents
Preparation method of single-layer gradient 3D (three-dimensional) dazzling texture decorative sheet Download PDFInfo
- Publication number
- CN111497512A CN111497512A CN201910099825.6A CN201910099825A CN111497512A CN 111497512 A CN111497512 A CN 111497512A CN 201910099825 A CN201910099825 A CN 201910099825A CN 111497512 A CN111497512 A CN 111497512A
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- Prior art keywords
- texture
- layer
- vacuum
- gradient
- preparation
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C3/00—Processes, not specifically provided for elsewhere, for producing ornamental structures
- B44C3/02—Superimposing layers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/06—Lithographic printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/12—Stencil printing; Silk-screen printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/06—Veined printings; Fluorescent printings; Stereoscopic images; Imitated patterns, e.g. tissues, textiles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
- B44C1/16—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like
- B44C1/165—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like for decalcomanias; sheet material therefor
- B44C1/17—Dry transfer
- B44C1/1733—Decalcomanias applied under pressure only, e.g. provided with a pressure sensitive adhesive
Abstract
The invention relates to a preparation method of a single-layer gradient 3D dazzling texture decorative sheet, which comprises the following steps: A. lithographically printing designed pictures and texts with gradient effect on a transparent substrate; B. transferring a 3D dazzling texture on the surface of the image-text with the gradual change effect; C. carrying out NCVM vacuum coating on the surface of the 3D glare texture to form a vacuum film layer; D. and (4) screen-printing a cover bottom shielding color on the surface of the vacuum film layer. The preparation method of the single-layer gradient color 3D dazzling texture decorative sheet simplifies the product structure on the basis of the traditional effect, changes a composite structure of two layers of materials into one layer, reduces the production procedures of the product, reduces the cost, has a thinner structure, and better meets the ultrathin design trend of electronic products such as mobile phones and the like; and the diversification of the gradual change effect is realized, the stability of the production color can be ensured, and the production efficiency is high.
Description
Technical Field
The invention belongs to the technical field of printing, and particularly relates to a preparation method of a single-layer gradient color 3D dazzling texture decorative sheet.
Background
The current technology for realizing the gradient 3D glare effect mainly comprises the following three types: (1) the first is to print the gradual color on one layer of material by using equipment, to transfer the 3D texture on the other substrate, to vacuum-coat and to screen print, to stick the two layers of material together, and to cut and shape. The technology has high requirements on lithographic equipment, high equipment investment, more production processes and management points, high cost and thick product structure, and needs two layers of materials; (2) the second method is that a dyeing process and a spraying process are used for firstly manufacturing a gradient color ribbon on a material, and then 3D texture transfer printing, vacuum coating, silk-screen printing and cutting forming are performed on the color ribbon, so that the production efficiency of the process is low, only a gradient effect in a single direction can be produced, and the manufacturing cost is high; (3) the third method is mainly to use a vacuum coating mode to realize gradient color, firstly to transfer 3D texture on a substrate, then to carry out vacuum coating, but a baffle plate jig is needed to be designed to control the thickness of a film layer to realize color change, and screen printing, covering and cutting are carried out.
Disclosure of Invention
The invention aims to provide a preparation method of a single-layer gradient color 3D dazzling texture decorative sheet, and solves the problems that a product in the prior art is thick in double-layer structure, multiple in production procedures and high in cost.
The technical scheme adopted by the invention for solving the technical problem is as follows: a preparation method of a single-layer gradient 3D glare texture decorative sheet comprises the following steps:
A. lithographically printing designed pictures and texts with gradient effect on a transparent substrate;
B. transferring a 3D dazzling texture on the surface of the image-text with the gradual change effect;
C. carrying out NCVM vacuum coating on the surface of the 3D glare texture to form a vacuum film layer;
D. and (4) screen-printing a cover bottom shielding color on the surface of the vacuum film layer.
In the preparation method of the invention, in the step A, the curing condition after the gradual effect graph and text of the planographic printing is to adopt UV curing with 99% strength.
In the preparation method, in the step B, a UV texture rotary table machine is used for transferring the 3D dazzling texture on the surface of the image-text with the gradual change effect, a 3D texture mould is installed in the UV texture rotary table machine, and UV light glue is filled in the 3D texture mould.
In the preparation method, the pressure of the UV texture rotary table machine used for transferring the 3D dazzling texture on the surface of the gradient-effect image-text is 1.5-2.5KG, and the stamping speed is 20-30 mm/min.
In the preparation method, after the 3D glare texture is transferred on the surface of the gradient effect graph-text, the graph-text is dried at least once by using UV, and the drying strength is 400-410J/cm2。
In the preparation method, in the step C, NCVM vacuum coating is carried out on the surface of the 3D dazzling texture by using a vacuum coating machine to form a vacuum coating layer, wherein the vacuum coating machine is vacuumized to 6 × 10-3Pa, the vacuum coating time is 30-45min, and the thickness of the vacuum film layer is 35-300 nm.
In the preparation method, the vacuum film layer comprises an indium film, a tin film, a silicon oxide film, a titanium oxide film and an aluminum oxide film which are sequentially coated by indium, tin, silicon oxide, titanium oxide and aluminum oxide on the surface of the 3D dazzling texture by using a vacuum coating machine.
In the preparation method of the invention, in the step D, the mesh number of the screen printing plate adopted by the screen printing is 350 meshes, and the scraper adopted by the screen printing plate is an 80-degree smooth blade.
In the preparation method of the present invention, in step D, the process of screen printing specifically includes:
d1, screen printing black ink on the surface of the vacuum film layer to form a first black ink layer;
d2, screen printing black ink on the surface of the first black ink layer to form a second black ink layer;
and D3, screen printing a matte black ink on the surface of the second black ink layer to form a matte black ink layer.
In the preparation method, after the silk screen printing is respectively carried out in the steps D1, D2 and D3, the silk screen printing is dried for 50min to 70min at the temperature of 65 +/-5 ℃.
The preparation method of the single-layer gradient 3D glare texture decorative sheet has the following beneficial effects: the preparation method of the single-layer gradient color 3D dazzling texture decorative sheet simplifies the product structure on the basis of the traditional effect, changes a composite structure of two layers of materials into one layer, reduces the production procedures of the product, reduces the cost, has a thinner structure, and better meets the ultrathin design trend of electronic products such as mobile phones and the like; and the diversification of the gradual change effect is realized, the stability of the production color can be ensured, and the production efficiency is high.
Detailed Description
The preparation method of the single-layer gradient 3D glare texture decorative sheet of the present invention is further described below with reference to the following examples:
the invention relates to a preparation method of a single-layer gradient 3D dazzling texture decorative sheet, which comprises the following steps:
A. lithographically printing designed pictures and texts with gradient effect on a transparent substrate;
the transparent base material is a transparent material, and preferably a transparent material having a surface energy dyne value of 38 or more; before printing, a protective film is preferably mounted on the printing surface, namely a single-sided adhesive film which is a transparent film with a certain viscosity on a single side, and before printing, the protective film is torn off to remove dust; the color of the image-text with the gradual change effect can be used for adjusting the required special color according to the required effect, and can also be overprinted by CMYK four primary colors commonly used in the prior art; the curing conditions after the gradual effect image and text of the planographic printing are that 99% strength UV curing is adopted, the machine UV strength of an adopted UV dryer is 99%, an external tunnel furnace is used for 226 joule energy curing, and the UV dryer can be SUV11-1 of Laite company;
B. transferring a 3D dazzling texture on the surface of the gradient-effect image-text by using a UV texture rotary table machine;
wherein, install accurate 3D texture mould in UV texture carousel built-in, in 3D texture mouldUV light glue is filled in the machine, such as a UV texture rotary table machine of UVI-2400 model of Dongguan super-precision machinery Limited company; transferring the UV light adhesive on the surface of the gradient-effect image-text to form 3D dazzling light textures by using a UV texture rotary table machine, wherein the pressure during transfer is 1.5-2.5KG, and the imprinting speed is 20-30 mm/min; after the 3D glare texture is transferred on the surface of the gradient effect graph-text, the graph-text is dried at least once by using UV, preferably twice by using UV, and the drying intensity is 400-410J/cm2；
C. Carrying out NCVM vacuum coating on the surface of the 3D glare texture by using a vacuum coating machine to form a vacuum film layer; specifically, the vacuum film layer comprises an indium film, a tin film, a silicon oxide film, a titanium oxide film and an aluminum oxide film which are sequentially formed on the surface of the 3D glare texture through indium, tin, silicon oxide, titanium oxide and aluminum oxide coating by using a vacuum coating machine. That is, an indium film is formed on the surface of the 3D glare texture by means of a vacuum coating machine through indium metal plating, a tin film is formed on the surface of the indium film by means of tin metal plating by means of a vacuum coating machine, a silicon oxide film is formed on the surface of the tin film by means of silicon oxide plating by means of a vacuum coating machine, a titanium oxide film is formed on the surface of the silicon oxide film by means of titanium oxide plating by means of a vacuum coating machine, and an aluminum oxide film is formed on the surface of the titanium oxide film by means of aluminum oxide plating by means of a vacuum coating machine. Wherein the silicon oxide can be SiO, SiO2Or Si2O6(ii) a The titanium oxide may be TiO, TiO2Or Ti2O3(ii) a The aluminum oxide may be Al2O3。
Wherein the vacuum coater is Korean vacuum coater or Japanese vacuum coater, and is vacuumized to 6 × 10-3Pa, the vacuum coating time is 30-45min, and the thickness of the vacuum film layer is 35-300 nm;
D. screen printing a cover bottom shielding color on the surface of the vacuum film layer; the method specifically comprises the following steps: d1, screen printing black ink on the surface of the vacuum film layer to form a first black ink layer as a shielding protective film; d2, screen printing black ink on the surface of the first black ink layer to form a second black ink layer so as to prevent printing sand holes; d3, screen printing a matte black ink on the surface of the second black ink layer to form a matte black ink layer so as to improve the dyne value of the ink surface; respectively carrying out screen printing in the steps D1, D2 and D3, and then drying for 50-70 min at the temperature of 65 +/-5 ℃;
wherein, the mesh number of the screen printing plate adopted by the screen printing is 350 meshes, and the scraper adopted is an 80-degree smooth cutter.
The preparation method of the invention prints designed gradual change effect printed text on a printing stock by using a lithographic printing technology, transfers 3D dazzling light textures with different effects onto a material processed by lithographic printing by using a UV transfer printing process, and forms a transparent printed text due to the permeability of lithographic printing ink, so that the 3D textures of the UV transfer printing can be penetrated out, and after the UV transfer printing process is finished, a vacuum optical coating is matched to form a compact electroplated vacuum film layer on the surface of the texture, after the coating process is finished, the printing cover bottom shields color, the printing ink needs to be thoroughly dried after being printed, the adhesive force of an ink layer is improved, and after drying, film mounting, cutting and finished product packaging are carried out, wherein the mounted film can be PET, PC, ABS and the like.
The preparation method of the single-layer gradient color 3D dazzling texture decorative sheet simplifies the process, improves the production efficiency, saves a layer of material to reduce the cost while omitting the laminating process, and structurally realizes an ultrathin design.
In addition, the preparation method of the single-layer gradient 3D dazzling texture decorative sheet has the following advantages: (1) the gradual change effect can be diversified, and the up-down gradual change, the left-right gradual change, the annular gradual change, the local gradual change and the multicolor gradual change can be realized; (2) the stability of the production color can be ensured, the production efficiency is high, if the gradient color reaches 10000 pieces/time, the coating film gradually changes 100 pieces/time, the cost of a layer of material is reduced, and the cost is reduced; (3) the process can reduce the thickness of the product structurally and save space for design.
The single-layer gradient color 3D dazzling texture decorative sheet prepared by the invention can be applied to various decorative pieces such as electronic digital products, household appliance panels, automotive interiors and the like.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (10)
1. A preparation method of a single-layer gradient 3D dazzling texture decorative sheet is characterized by comprising the following steps:
A. lithographically printing designed pictures and texts with gradient effect on a transparent substrate;
B. transferring a 3D dazzling texture on the surface of the image-text with the gradual change effect;
C. carrying out NCVM vacuum coating on the surface of the 3D glare texture to form a vacuum film layer;
D. and (4) screen-printing a cover bottom shielding color on the surface of the vacuum film layer.
2. The method of claim 1, wherein in step a, the post-curing conditions for the lithographic effect gradient are 99% intensity UV curing.
3. The preparation method of claim 1, wherein in the step B, a UV texture rotary table machine is used for transferring the 3D dazzling texture on the surface of the gradient effect image-text, a 3D texture mold is installed in the UV texture rotary table machine, and UV light glue is installed in the 3D texture mold.
4. The manufacturing method according to claim 3, wherein the pressure for transferring the 3D glare texture on the surface of the gradient effect image-text by using the UV texture rotary machine is 1.5-2.5KG, and the embossing speed is 20-30 mm/min.
5. The preparation method according to claim 3, wherein the surface of the gradient effect image-text is transferred with 3D glare texture and then dried at least once by UV, wherein the drying strength is 400-410J/cm2。
6. The method of claim 1, wherein in step C, vacuum is appliedCarrying out NCVM vacuum coating on the surface of the 3D glare texture by a coating machine to form a vacuum film layer, wherein the vacuum coating machine is vacuumized to 6 × 10-3Pa, the vacuum coating time is 30-45min, and the thickness of the vacuum film layer is 35-300 nm.
7. The method of claim 6, wherein the vacuum film layer comprises forming an indium film, a tin film, a silicon oxide film, a titanium oxide film and an aluminum oxide film on the surface of the 3D glare texture sequentially through indium, tin, silicon oxide, titanium oxide and aluminum oxide coating by a vacuum coater.
8. The manufacturing method according to claim 1, wherein in step D, the screen mesh number used for screen printing is 350 mesh, and the doctor blade used is an 80 ° smooth blade.
9. The preparation method according to claim 1, wherein in the step D, the screen printing process specifically comprises:
d1, screen printing black ink on the surface of the vacuum film layer to form a first black ink layer;
d2, screen printing black ink on the surface of the first black ink layer to form a second black ink layer;
and D3, screen printing a matte black ink on the surface of the second black ink layer to form a matte black ink layer.
10. The method of claim 9, wherein the drying is performed at 65 ℃ ± 5 ℃ for 50min to 70min after the screen printing in steps D1, D2, and D3, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910099825.6A CN111497512A (en) | 2019-01-31 | 2019-01-31 | Preparation method of single-layer gradient 3D (three-dimensional) dazzling texture decorative sheet |
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| CN201910099825.6A CN111497512A (en) | 2019-01-31 | 2019-01-31 | Preparation method of single-layer gradient 3D (three-dimensional) dazzling texture decorative sheet |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112140762A (en) * | 2020-09-25 | 2020-12-29 | 东莞华清光学科技有限公司 | Novel gradient printing process |
| CN112810341A (en) * | 2021-02-02 | 2021-05-18 | 东莞正广精密科技有限公司 | Preparation process of double-layer texture back shell |
| CN112918174A (en) * | 2021-03-26 | 2021-06-08 | 上海龙旗科技股份有限公司 | Manufacturing method of double-film-superposed high-brightness glare film, glare film and electronic product |
| CN113334989A (en) * | 2021-06-03 | 2021-09-03 | 深圳市雅图燊印刷包装有限公司 | Production process of gradient dazzling texture panel |
| CN113696584A (en) * | 2021-09-03 | 2021-11-26 | 上海志承新材料有限公司 | Display control panel for preventing metal wire drawing |
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| CN206271203U (en) * | 2016-10-17 | 2017-06-20 | 蓝思科技（长沙）有限公司 | A kind of thin slice with blue micro- glare effect |
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| CN207234900U (en) * | 2017-12-01 | 2018-04-13 | 桑堇馨 | Glare protective shell and its glare film |
| CN109109550A (en) * | 2018-08-17 | 2019-01-01 | Oppo广东移动通信有限公司 | Processing method, housing unit and the electronic equipment of housing unit |
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| JPS5235254A (en) * | 1975-09-13 | 1977-03-17 | Kyowa Leather Cloth | Method of visually decorating stereoscopic pattern on sheet material |
| CN206271203U (en) * | 2016-10-17 | 2017-06-20 | 蓝思科技（长沙）有限公司 | A kind of thin slice with blue micro- glare effect |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112140762A (en) * | 2020-09-25 | 2020-12-29 | 东莞华清光学科技有限公司 | Novel gradient printing process |
| CN112810341A (en) * | 2021-02-02 | 2021-05-18 | 东莞正广精密科技有限公司 | Preparation process of double-layer texture back shell |
| CN112810341B (en) * | 2021-02-02 | 2024-01-16 | 东莞正广精密科技有限公司 | Preparation process of double-layer texture back shell |
| CN112918174A (en) * | 2021-03-26 | 2021-06-08 | 上海龙旗科技股份有限公司 | Manufacturing method of double-film-superposed high-brightness glare film, glare film and electronic product |
| CN113334989A (en) * | 2021-06-03 | 2021-09-03 | 深圳市雅图燊印刷包装有限公司 | Production process of gradient dazzling texture panel |
| CN113696584A (en) * | 2021-09-03 | 2021-11-26 | 上海志承新材料有限公司 | Display control panel for preventing metal wire drawing |
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Application publication date: 20200807 |