CN110435318B - Spherical curved surface printing process - Google Patents
Spherical curved surface printing process Download PDFInfo
- Publication number
- CN110435318B CN110435318B CN201810410248.3A CN201810410248A CN110435318B CN 110435318 B CN110435318 B CN 110435318B CN 201810410248 A CN201810410248 A CN 201810410248A CN 110435318 B CN110435318 B CN 110435318B
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- CN
- China
- Prior art keywords
- layer
- spraying
- printing
- spherical curved
- ink
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- B41M1/40—Printing on bodies of particular shapes, e.g. golf balls, candles, wine corks
-
- 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
- B41M7/0027—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using protective coatings or layers by lamination or by fusion of the coatings or layers
-
- 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
- B41M7/0054—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using protective coatings or film forming compositions cured by thermal means, e.g. infrared radiation, heat
Landscapes
- Printing Methods (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The invention provides a spherical curved surface printing process, which comprises the steps of spraying a pretreatment layer on a spherical curved surface base material, then applying a printing layer on the surface of the pretreatment layer, finally spraying a protective layer on the printing layer, and applying the pretreatment layer on the spherical curved surface base material to improve the affinity between the printing layer and the spherical curved surface base material so as to improve the printing effect, and applying the protective layer on the printing layer so as to improve the wear resistance and weather resistance of a printed product; the product prepared by the process, such as a sports ball, can keep the marks on the surface of the ball to have good wear resistance, stripping resistance and durability, and can keep the marks from scratching, fading and falling off after being used for a long time.
Description
Technical Field
The invention relates to the field of printed matter manufacturing, in particular to a spherical curved surface printing process.
Background
The printed matter with the spherical curved surface has high printing difficulty due to the shape of the base material, and the printed matter is easy to fall off. In particular to a sports ball body, because the ball body is frequently rubbed in the using process, the printed information on the surface of the ball body is difficult to maintain, and in order to overcome the problems in the prior art, the invention provides a spherical curved surface printing process.
Disclosure of Invention
The invention provides a spherical curved surface printing process, which comprises the steps of spraying a pretreatment layer on a spherical curved surface base material, then applying a printing layer on the surface of the pretreatment layer, finally spraying a protective layer on the printing layer, and applying the pretreatment layer on the spherical curved surface base material to improve the affinity between the printing layer and the spherical curved surface base material so as to improve the printing effect, and applying the protective layer on the printing layer so as to improve the wear resistance and weather resistance of a printed product.
The specific scheme is as follows:
a spherical curved surface printing process comprises the following steps:
1) and spraying a pretreatment layer: spraying a pretreating agent to an area to be printed of the spherical curved surface substrate, wherein the pretreating agent is an alcoholic solution containing 3-5 wt% of polyacrylic acid, 1-3 wt% of N.N-bis-hydroxyethyl alkyl amide, 4-8 wt% of polymethacrylate, 1-2 wt% of polyamide wax and 3-5 wt% of carboxymethyl cellulose; drying at room temperature to 40 ℃ to obtain a pretreatment layer;
2) and spherical curved surface printing: spreading ink on a printing intaglio, moving a spherical inflatable rubber die head to the position above the intaglio, pressing the rubber die head downwards to obtain the ink, then moving the ink to the position above a spherical curved substrate, pressing downwards to enable the rubber die head to deform and surround a region to be printed on the surface of the substrate, transferring the ink to the pretreatment layer, and drying to obtain a printing layer, wherein the curvature radius of the spherical curved substrate is R, the curvature radius of the rubber die head is R1, and R1 is not more than 3R and not more than 6R;
3) and spraying a first protective layer: spraying first protective paint on the surface of the printing layer obtained in the step 2, and irradiating by ultraviolet light for 20-50s to obtain a first protective layer; the first protective paint is an alcoholic solution containing 20-25 wt% of chlorine-containing polyurethane methacrylate, 15-20 wt% of butyl acrylate, 3-5 wt% of polyvinylidene fluoride and 2-3 wt% of sodium dodecyl sulfate;
4) and spraying a second protective layer: and (3) spraying a second protective paint on the surface of the first protective layer in the step (3), and drying, wherein the surface protective paint is an alcohol solution containing 10-15 wt% of dimethyl diphenyl polysiloxane, 3-8 wt% of sodium dodecyl sulfate, 4-6 wt% of polyvinylidene fluoride and 2-4 wt% of nano silicon dioxide or titanium dioxide.
Further, the viscosity of the ink is 20 to 100 pas, and more preferably 40 to 60 pas.
Further, drying is carried out for 5-30min in the step 1.
Further, the drying temperature in the step 2 is room temperature.
Further wherein the alcohol is selected from ethylene glycol, propylene glycol.
Further, the spherical curved surface base material is a sports ball, and is further selected from basketball, football, volleyball and football.
The invention has the following beneficial effects:
1. the pretreatment layer is applied, the corrosion resistance of the base material is improved by spraying the pretreatment agent, the flexibility agent is added into the pretreatment layer, the binding capacity of the pretreatment layer and the spherical surface is improved, meanwhile, the pretreatment layer has better affinity with the printing ink, and the binding capacity of the printing ink layer and the base material can be improved;
2. the flexible inflatable rubber die head is adopted, the die head can be deformed to completely cover and attach to the curved surface to be printed during printing, the printing effect of the curved surface is improved, the curvature diameter of the die head is 3-6 times that of a product to be printed, and the die head is ensured to be fully contacted with the curved surface to be printed;
3. the first protective layer has high light transmittance, can maintain the visible degree of the printing layer, has high oxidation resistance, corrosion resistance and cohesiveness, has strong adhesive force of the reinforced protective layer, is not easy to crack and fall off, and can effectively protect the printing layer;
4. the nano oxide particles and siloxane are added into the second protective layer, so that the nano oxide particle and siloxane have high wear resistance and low surface activity, the wear resistance and the anti-fouling capability of the surface of a printed product can be improved, and the printed layer on the surface of the ball product can keep visibility in long-term use and does not scratch or fall off.
Detailed Description
The present invention will be described in more detail below with reference to specific examples, but the scope of the present invention is not limited to these examples.
Example 1
1) And spraying a pretreatment layer: spraying a pretreating agent to the area to be printed of the basketball to be printed, wherein the pretreating agent is an ethylene glycol solution containing 3 wt% of polyacrylic acid, 1 wt% of N, N-bis-hydroxyethyl alkyl amide, 4 wt% of polymethacrylate, 1 wt% of polyamide wax and 3 wt% of carboxymethyl cellulose; drying at room temperature for 30min to obtain a pretreatment layer;
2) and spherical curved surface printing: spreading ink on a printing intaglio, moving a spherical inflatable rubber die head to the position above the intaglio, pressing the rubber die head downwards to obtain the ink with the viscosity of 20Pa s, then moving the ink to the position above a spherical curved substrate, pressing downwards to enable the rubber die head to deform and surround a region to be printed on the surface of the substrate, transferring the ink to the pretreatment layer, and drying at room temperature for 10min to obtain a printing layer, wherein the curvature radius of the spherical curved substrate is R, and the curvature radius of the rubber die head is R1 and 3R is R1;
3) and spraying a first protective layer: spraying first protective paint on the surface of the printing layer obtained in the step 2, and irradiating for 50s by ultraviolet light to obtain a first protective layer; the first protective paint is an ethylene glycol solution containing 20 wt% of chlorine-containing polyurethane methacrylate, 15 wt% of butyl acrylate, 3 wt% of polyvinylidene fluoride and 2 wt% of sodium dodecyl sulfate;
4) and spraying a second protective layer: and (3) spraying a second protective paint on the surface of the first protective layer in the step (3), and drying at 40 ℃ for 30min, wherein the surface protective paint is an ethylene glycol solution containing 10 wt% of dimethyl diphenyl polysiloxane, 3 wt% of sodium dodecyl sulfate, 4 wt% of polyvinylidene fluoride and 2 wt% of nano silicon dioxide.
Example 2
1) And spraying a pretreatment layer: spraying a pretreating agent to the area to be printed of the basketball to be printed, wherein the pretreating agent is an ethylene glycol solution containing 5 wt% of polyacrylic acid, 3 wt% of N, N-bis-hydroxyethyl alkyl amide, 8 wt% of polymethacrylate, 2 wt% of polyamide wax and 5 wt% of carboxymethyl cellulose; drying at 40 ℃ for 5min to obtain a pretreatment layer;
2) and spherical curved surface printing: spreading ink on a printing gravure, moving a spherical inflatable rubber die head to the position above the gravure, pressing the rubber die head downwards to obtain the ink with the viscosity of 100Pa & s, then moving the ink to the position above a spherical curved substrate, pressing downwards to enable the rubber die head to deform and surround a region to be printed on the surface of the substrate, transferring the ink to the pretreatment layer, and drying at room temperature for 5min to obtain a printing layer, wherein the curvature radius of the spherical curved substrate is R, the curvature radius of the rubber die head is R1, and R1 is 6R;
3) and spraying a first protective layer: spraying first protective paint on the surface of the printing layer obtained in the step 2, and irradiating for 50s by ultraviolet light to obtain a first protective layer; the first protective paint is an ethylene glycol solution containing 25 wt% of chlorine-containing polyurethane methacrylate, 20 wt% of butyl acrylate, 5 wt% of polyvinylidene fluoride and 3 wt% of sodium dodecyl sulfate;
4) and spraying a second protective layer: and (3) spraying a second protective paint on the surface of the first protective layer in the step (3), and drying at 40 ℃ for 20min, wherein the surface protective paint is an ethylene glycol solution containing 15 wt% of dimethyl diphenyl polysiloxane, 8 wt% of sodium dodecyl sulfate, 6 wt% of polyvinylidene fluoride and 4 wt% of nano silicon dioxide.
Example 3
1) And spraying a pretreatment layer: spraying a pretreating agent to the area to be printed of the basketball to be printed, wherein the pretreating agent is an ethylene glycol solution containing 4 wt% of polyacrylic acid, 2 wt% of N.N-bis-hydroxyethyl alkyl amide, 6 wt% of polymethacrylate, 2 wt% of polyamide wax and 4 wt% of carboxymethyl cellulose; drying at 30 ℃ for 10min to obtain a pretreatment layer;
2) and spherical curved surface printing: spreading ink on a printing gravure, moving a spherical inflatable rubber die head to the position above the gravure, pressing the rubber die head downwards to obtain the ink with the viscosity of 40Pa s, then moving the ink to the position above a spherical curved substrate, pressing downwards to enable the rubber die head to deform and surround a region to be printed on the surface of the substrate, transferring the ink to the pretreatment layer, and drying at room temperature for 10min to obtain a printing layer, wherein the curvature radius of the spherical curved substrate is R, the curvature radius of the rubber die head is R1, and R1 is 4R;
3) and spraying a first protective layer: spraying first protective paint on the surface of the printing layer obtained in the step 2, and irradiating the printing layer for 30s by ultraviolet light to obtain a first protective layer; the first protective paint is an ethylene glycol solution containing 20 wt% of chlorine-containing polyurethane methacrylate, 20 wt% of butyl acrylate, 4 wt% of polyvinylidene fluoride and 3 wt% of sodium dodecyl sulfate;
4) and spraying a second protective layer: and (3) spraying a second protective paint on the surface of the first protective layer in the step (3), and drying at 40 ℃ for 25min, wherein the surface protective paint is an ethylene glycol solution containing 13 wt% of dimethyl diphenyl polysiloxane, 5 wt% of sodium dodecyl sulfate, 5 wt% of polyvinylidene fluoride and 3 wt% of nano silicon dioxide.
Example 4
1) And spraying a pretreatment layer: spraying a pretreating agent to the area to be printed of the basketball to be printed, wherein the pretreating agent is an ethylene glycol solution containing 4 wt% of polyacrylic acid, 2 wt% of N.N-bis-hydroxyethyl alkyl amide, 6 wt% of polymethacrylate, 2 wt% of polyamide wax and 4 wt% of carboxymethyl cellulose; drying at 30 ℃ for 10min to obtain a pretreatment layer;
2) and spherical curved surface printing: spreading ink on a printing gravure, moving a spherical inflatable rubber die head to the position above the gravure, pressing the rubber die head downwards to obtain the ink with the viscosity of 60Pa s, then moving the ink to the position above a spherical curved substrate, pressing downwards to enable the rubber die head to deform and surround a region to be printed on the surface of the substrate, transferring the ink to the pretreatment layer, and drying at room temperature for 10min to obtain a printing layer, wherein the curvature radius of the spherical curved substrate is R, the curvature radius of the rubber die head is R1, and R1 is 5R;
3) and spraying a first protective layer: spraying first protective paint on the surface of the printing layer obtained in the step 2, and irradiating the printing layer for 40s by ultraviolet light to obtain a first protective layer; the first protective paint is an ethylene glycol solution containing 25 wt% of chlorine-containing polyurethane methacrylate, 15 wt% of butyl acrylate, 5 wt% of polyvinylidene fluoride and 3 wt% of sodium dodecyl sulfate;
4) and spraying a second protective layer: and (3) spraying a second protective paint on the surface of the first protective layer in the step (3), and drying at 40 ℃ for 30min, wherein the surface protective paint is an ethylene glycol solution containing 10 wt% of dimethyl diphenyl polysiloxane, 8 wt% of sodium dodecyl sulfate, 5 t% of polyvinylidene fluoride and 4 wt% of nano titanium dioxide.
Experiment and results
The basketball printed products obtained in the examples 1 to 4 and a small amount of sandy soil are placed in a rotary kettle with the diameter of 2 meters, the rotating speed is 30r/min, the basketball printed products are rotated for 30 hours, the outdoor use condition is simulated, and the abrasion condition of the surface marks of the balls is checked.
TABLE 1
| Examples | Sign wearIn a state of being immersed in |
| 1 | Slight abrasion and clear identification |
| 2 | Slight abrasion and clear identification |
| 3 | Slight abrasion and clear identification |
| 4 | Slight abrasion and clear identification |
The printing ball product prepared by the process has good wear resistance, peeling resistance and durability, and can be kept for long-term use without scratching, fading and dropping.
While the present invention has been described in detail with reference to the preferred embodiments, it should be understood that the above description should not be taken as limiting the invention.
Claims (8)
1. A spherical curved surface printing process comprises the following steps:
1) and spraying a pretreatment layer: spraying a pretreating agent to an area to be printed of the spherical curved surface substrate, wherein the pretreating agent is an alcoholic solution containing 3-5 wt% of polyacrylic acid, 1-3 wt% of N.N-bis-hydroxyethyl alkyl amide, 4-8 wt% of polymethacrylate, 1-2 wt% of polyamide wax and 3-5 wt% of carboxymethyl cellulose; drying at room temperature to 40 ℃ to obtain a pretreatment layer;
2) and spherical curved surface printing: spreading ink on a printing intaglio, moving a spherical inflatable rubber die head to the position above the intaglio, pressing the rubber die head downwards to obtain the ink, then moving the ink to the position above a spherical curved substrate, pressing downwards to enable the rubber die head to deform and surround a region to be printed on the surface of the spherical curved substrate, transferring the ink to the pretreatment layer, and drying to obtain a printing layer, wherein the curvature radius of the spherical curved substrate is R, the curvature radius of the rubber die head is R1, and R1 is not more than 3R and not more than 6R;
3) and spraying a first protective layer: spraying first protective paint on the surface of the printing layer obtained in the step 2), and irradiating by ultraviolet light for 20-50s to obtain a first protective layer; the first protective paint is an alcoholic solution containing 20-25 wt% of chlorine-containing polyurethane methacrylate, 15-20 wt% of butyl acrylate, 3-5 wt% of polyvinylidene fluoride and 2-3 wt% of sodium dodecyl sulfate;
4) and spraying a second protective layer: spraying a second protective paint on the surface of the first protective layer in the step 3), and drying, wherein the second protective paint is an alcohol solution containing 10-15 wt% of dimethyl diphenyl polysiloxane, 3-8 wt% of sodium dodecyl sulfate, 4-6 wt% of polyvinylidene fluoride and 2-4 wt% of nano silicon dioxide or titanium dioxide.
2. The process of claim 1, wherein the viscosity of the ink is from 20 to 100 Pa-s.
3. The process of claim 2, wherein the viscosity of the ink is from 40 to 60 Pa-s.
4. The process of claim 1, wherein the drying in step 1) is performed for 5-30 min.
5. The process of claim 1, wherein the drying temperature in step 2) is room temperature.
6. The process of claim 1, wherein the alcohol is selected from the group consisting of ethylene glycol, propylene glycol.
7. The process of claim 1, wherein the spherically curved substrate is a sports spheroid.
8. The process of claim 7, wherein the sports spheroid is selected from the group consisting of basketball, soccer, volleyball, and football.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810410248.3A CN110435318B (en) | 2018-05-02 | 2018-05-02 | Spherical curved surface printing process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810410248.3A CN110435318B (en) | 2018-05-02 | 2018-05-02 | Spherical curved surface printing process |
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| Publication Number | Publication Date |
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| CN110435318A CN110435318A (en) | 2019-11-12 |
| CN110435318B true CN110435318B (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810410248.3A Expired - Fee Related CN110435318B (en) | 2018-05-02 | 2018-05-02 | Spherical curved surface printing process |
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| US7625059B2 (en) * | 2006-11-22 | 2009-12-01 | Plastipak Packaging, Inc. | Digital printing plastic containers |
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| CN201533971U (en) * | 2009-04-22 | 2010-07-28 | 福建元吉体育用品有限公司(外资企业) | Ball with pattern or trademark as textile form |
| CN101580570B (en) * | 2009-06-17 | 2011-09-07 | 厦门大学 | Siloxane-acrylate copolymer/nano-silicon dioxide organic/inorganic hybrid nano-material and preparation method thereof |
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| CN102173244B (en) * | 2010-12-27 | 2013-08-21 | 东莞劲胜精密组件股份有限公司 | Surface printing process for leather paint layer |
| CN102637951B (en) * | 2012-04-06 | 2014-11-05 | 湖州赫特金泰汽车零部件有限公司 | Radar safety guard |
| CN103614948A (en) * | 2013-11-28 | 2014-03-05 | 金华盛纸业（苏州工业园区）有限公司 | Antibacterial chromo board coating and antibacterial chromo board |
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| CN204605088U (en) * | 2015-04-23 | 2015-09-02 | 曹小静 | A kind of wear-resisting artificial stereo graining film |
| CN105925152A (en) * | 2016-05-09 | 2016-09-07 | 江苏凯特尔新型复合饰材有限公司 | Production process of metal printing plate roll coated with nano ceramic paint in advance |
| JP6969156B2 (en) * | 2016-05-30 | 2021-11-24 | Ａｇｃ株式会社 | Board with printed layer, its manufacturing method, and display device |
| CN106519796B (en) * | 2016-12-13 | 2017-12-15 | 永发印务(东莞)有限公司 | A kind of high damage resistant aqueous transparent ink and preparation method thereof |
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| CN206934642U (en) * | 2017-06-27 | 2018-01-30 | 江苏道尔体育科技有限公司 | A kind of high intensity skins of balls |
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2018
- 2018-05-02 CN CN201810410248.3A patent/CN110435318B/en not_active Expired - Fee Related
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Address after: 325000 room 2401-1, building 3, haijingjiayuan, Wangjiang West Road, Lucheng District, Wenzhou City, Zhejiang Province Applicant after: WENZHOU KULE TABLEWARE Co.,Ltd. Address before: 325000 workshop 3, No. 386, Binhai 21 Road, Wenzhou Economic and Technological Development Zone, Wenzhou City, Zhejiang Province Applicant before: WENZHOU KULE TABLEWARE Co.,Ltd. |
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