CN109094231B - Magnetic three-dimensional printing process - Google Patents
Magnetic three-dimensional printing process Download PDFInfo
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- CN109094231B CN109094231B CN201810678321.5A CN201810678321A CN109094231B CN 109094231 B CN109094231 B CN 109094231B CN 201810678321 A CN201810678321 A CN 201810678321A CN 109094231 B CN109094231 B CN 109094231B
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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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- Engineering & Computer Science (AREA)
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- Inks, Pencil-Leads, Or Crayons (AREA)
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Abstract
The invention relates to a printing process, and discloses a magnetic three-dimensional printing process, which mainly comprises the following steps: s1: uniformly printing the water-based varnish on a printing stock to form a water-based varnish layer; s2: uniformly printing the water-based ink on the water-based varnish layer to form a water-based color ink layer; s3: after the water-based ink is dried, uniformly printing the water-based magnetic ink on the water-based color ink layer to finish printing of a printing stock; s4: and (3) suspending and positioning the magnetic mould above the printing stock, so that the ferrous magnetic substance in the water-based magnetic ink is attracted by the magnetic force of the magnetic mould to move, and finally, forming a pattern with stereoscopic impression. The magnetic three-dimensional printing process disclosed by the invention can print patterns with three-dimensional sense; the invention can also overcome the defect of easy volatilization of the printing ink in the prior art, thereby avoiding the generation of Volatile Organic Compounds (VOC).
Description
Technical Field
The invention relates to a printing process, in particular to a magnetic three-dimensional printing process.
Background
The existing printing technology has no stereoscopic impression on the printed patterns, and can not meet the requirements of consumers. Furthermore, since the printing material contains ink which is volatile, Volatile Organic Compounds (VOC) are released, which has adverse effects on the human body and the environment.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a magnetic three-dimensional printing process, which can print patterns with three-dimensional sense; can overcome the defect of easy volatilization of the printing ink in the prior art, thereby avoiding the generation of Volatile Organic Compounds (VOC).
In order to solve the technical problems, the technical scheme of the invention is a magnetic three-dimensional printing process which mainly comprises the following steps:
s1: uniformly printing the water-based varnish on a printing stock to form a water-based varnish layer;
s2: uniformly printing the water-based ink on the water-based varnish layer to form a water-based color ink layer;
s3: after the water-based ink is dried, uniformly printing the water-based magnetic ink on the water-based color ink layer to finish the printing of a printing stock;
s4: and (3) suspending and positioning the magnetic mould above the printing stock, so that the ferrous magnetic substance in the water-based magnetic ink is attracted by the magnetic force of the magnetic mould to move, and finally, forming a pattern with stereoscopic impression.
Further, in step S4, a gap of 3-5mm is provided between the magnetic mold and the substrate.
Further, the main components of the water-based magnetic ink comprise magnetic pearlescent pigment and water-based varnish ink.
Further, the magnetic pearlescent pigment is prepared by the following steps:
t1: mixing ferroferric oxide and deionized water into a solution in a container;
t2: adding a pearlescent pigment to the solution obtained in step T1;
t3: atomizing the solution prepared in the step T2 to synthesize; the temperature of atomization synthesis is 30-60 ℃;
t4: naturally cooling the solution obtained in the step T3 to room temperature, and filtering to remove impurities to form filtrate;
t5: washing the filtrate obtained in the step T4 with distilled water until the pH value of the filtrate is 5-7;
t6: filtering the filtrate obtained in the step T5 to obtain filter residue;
t7: baking the filter residue obtained in the step T6 to be dry to prepare the magnetic pearlescent pigment; the baking temperature is 40-50 ℃.
Further, the main components of the aqueous varnish printing ink comprise aqueous polyurethane, an auxiliary agent, a thickening agent, a film forming agent and a thixotropic agent.
Further, the auxiliary agent comprises an antifoaming agent or a leveling agent.
Further, the magnetic mold is prepared by engraving a pattern on an engraving plate.
Further, the magnetic die is embedded with a magnetic material.
Further, the magnetic material is to be magnetized on a magnetizing device.
Further, the material of the engraved plate comprises: plastic board, foam board, gypsum board or aluminum board.
The magnetic three-dimensional printing process has the beneficial effects that firstly, printing materials are prepared, the magnetic mould is manufactured, then the printing stock which is sequentially printed with the water-based gloss oil, the water-based color ink and the water-based magnetic ink is quickly suspended and positioned with the magnetic mould, so that the ferrous magnetic substance in the water-based magnetic ink is attracted by the magnetic force of the magnetic mould to move, the pattern at the positive pole of the magnetic mould is bright, and the pattern at the negative pole of the magnetic mould is dark, so that the pattern on the printing stock has obvious light and shade difference, and the whole pattern has obvious three-dimensional effect; the invention can also overcome the defect of easy volatilization of the ink in the prior art, thereby avoiding the generation of Volatile Organic Compounds (VOC), so the water-based magnetic ink provided by the invention is a safe and pollution-free environment-friendly printing material.
Drawings
Fig. 1 is a flow chart of a magnetic stereolithography process of the present invention.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The invention relates to a magnetic three-dimensional printing process, which mainly comprises the following steps:
1. preparation of magnetic pearlescent pigments
Fully mixing ferroferric oxide and deionized water in a container to obtain a solution, adding pearlescent pigment, fully mixing the pearlescent pigment into the solution, carrying out temperature reaction atomization synthesis on the solution in the container at 30-60 ℃, then naturally cooling to room temperature, filtering the solution to remove impurities, washing the filtrate with distilled water until the pH value of the filtrate is 5-7, then filtering to remove impurities, and finally baking the filtrate until the filtrate is dried to obtain the magnetic pearlescent pigment.
2. Preparation of aqueous gloss oil ink
The water-based polyurethane/acrylic resin/epoxy resin/alkyd resin, an auxiliary agent (a defoaming agent/a leveling agent), a thickening agent, a film-forming agent and a thixotropic agent are fully ground and mixed to prepare the water-based varnish printing ink with different properties.
3. Preparation of aqueous magnetic ink
Wetting the magnetic pearlescent pigment prepared in the step 1 by using water and a wetting dispersant, adding the wetted pearlescent pigment into the water-based varnish ink prepared in the step 2, and fully grinding and stirring the wetted pearlescent pigment to prepare the water-based magnetic ink. The proportion of water added can be controlled according to actual conditions, so that the concentration of the water-based magnetic ink can be controlled. Because the thinner of the water-based magnetic ink is water and harmful substances such as organic solvents are not required to be added in the manufacturing process, the water-based magnetic ink has no VOC (volatile organic compounds) emission, so the water-based magnetic ink is a safe and pollution-free environment-friendly printing material, and can reduce pollution to the natural environment and damage to the health of human bodies to the utmost extent.
4. Preparation of magnetic mold
Carving pattern on the carving plate, which may be plastic board, foamed board, gypsum board or aluminum board. And selecting a corresponding magnetic material for magnetizing according to the pattern and pattern requirements, embedding the magnetized magnetic material into the carved patterns on the carving plate, sealing the whole mold by using a steel plate or an aluminum plate, and thus completing the preparation of the magnetic mold. The magnetic material may be a magnetic strip or a magnet.
5. Magnetic three-dimensional printing
Firstly, a printing stock is paved on a working table, then the water-based varnish is uniformly printed on the printing stock, and if the printing stock is a material with meshes, the water-based varnish needs to be printed for many times until the meshes of the printing stock are filled. And on the basis, continuously printing the aqueous color ink, and continuously printing the aqueous magnetic ink after the aqueous color ink is dried. And then, suspending and positioning a magnetic mold above the printing stock, wherein a 3-5mm gap is formed between the magnetic mold and the printing stock. Therefore, the ferrous magnetic substance in the water-based magnetic ink is attracted by the magnetic force of the magnetic mould to move, the pattern on the positive pole of the magnetic mould is bright, and the pattern on the negative pole of the magnetic mould is dark under the attraction of the magnetic force of the magnetic mould, so that the pattern on the printing stock has obvious brightness difference, and the whole pattern has obvious three-dimensional effect.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.
Claims (5)
1. A magnetic three-dimensional printing process is characterized by mainly comprising the following steps:
s1: uniformly printing the water-based varnish on a printing stock to form a water-based varnish layer;
s2: uniformly printing the water-based ink on the water-based varnish layer to form a water-based color ink layer;
s3: after the water-based ink is dried, uniformly printing the water-based magnetic ink on the water-based color ink layer to finish printing of a printing stock;
s4: suspending and positioning a magnetic mould above the printing stock to ensure that magnetic substances in the water-based magnetic ink are attracted by the magnetic force of the magnetic mould to move, and finally forming a pattern with three-dimensional sense;
in step S4, a gap of 3-5mm is provided between the magnetic mold and the printing material;
the main components of the water-based magnetic ink comprise magnetic pearlescent pigment and water-based varnish ink;
the magnetic pearlescent pigment is prepared by the following steps:
t1: mixing ferroferric oxide and deionized water into a solution in a container;
t2: adding a pearlescent pigment to the solution obtained in step T1;
t3: atomizing the solution prepared in the step T2 to synthesize; the temperature of atomization synthesis is 30-60 ℃;
t4: naturally cooling the solution obtained in the step T3 to room temperature, and filtering to remove impurities to form filtrate;
t5: washing the filtrate obtained in the step T4 with distilled water until the pH value of the filtrate is 5-7;
t6: filtering the filtrate obtained in the step T5 to obtain filter residue;
t7: baking the filter residue obtained in the step T6 to be dry to prepare the magnetic pearlescent pigment; the baking temperature is 40-50 ℃;
the preparation of the water-based magnetic ink comprises the following steps: wetting the magnetic pearlescent pigment with water and wetting dispersant, adding into the prepared water-based varnish ink, and fully grinding and stirring to obtain the water-based magnetic ink.
2. The magnetic stereolithography process according to claim 1, wherein: the magnetic mold is prepared by engraving a pattern on an engraving plate.
3. A magnetic stereolithography process according to claim 2, characterized in that: the magnetic die is also embedded with a magnetic material which is a magnet.
4. A magnetic stereolithography process according to claim 3, characterized in that: the magnetic material is to be magnetized on a magnetizing device.
5. The magnetic stereolithography process according to claim 4, wherein: the material of the carving board is plastic cement board, foaming board, gypsum board or aluminum board.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810678321.5A CN109094231B (en) | 2018-06-27 | 2018-06-27 | Magnetic three-dimensional printing process |
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| CN201810678321.5A CN109094231B (en) | 2018-06-27 | 2018-06-27 | Magnetic three-dimensional printing process |
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| CN109094231B true CN109094231B (en) | 2021-11-19 |
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| CN109703224A (en) * | 2019-03-05 | 2019-05-03 | 苏州恒辰印刷科技有限公司 | The packing box printing technology of UV solid frosted |
| CN109880440B (en) * | 2019-03-15 | 2022-04-26 | 云谷（固安）科技有限公司 | Ink, ink-jet printing method, film packaging method and organic film |
| CN110667276A (en) * | 2019-10-09 | 2020-01-10 | 珠海赛德诚科技有限公司 | Stereoscopic bright line coating process |
| CN110744938A (en) * | 2019-11-19 | 2020-02-04 | 深圳新宏泽包装有限公司 | Pattern with three-dimensional effect and preparation method thereof |
| CN111098628A (en) * | 2019-12-27 | 2020-05-05 | 英狮科技(东莞)有限公司 | Magnetic heat transfer hot stamping film with three-dimensional effect and preparation process thereof |
| CN112647362A (en) * | 2020-12-21 | 2021-04-13 | 深圳市裕同包装科技股份有限公司 | Processing method of special paper three-dimensional phantom |
| CN113414917A (en) * | 2021-06-26 | 2021-09-21 | 东莞市艾士伦新材料科技有限公司 | 3D (three-dimensional) material capable of customizing grains and manufacturing method |
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