CN114537003A - Water transfer printing process and application thereof to concrete product - Google Patents
Water transfer printing process and application thereof to concrete product Download PDFInfo
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- CN114537003A CN114537003A CN202210173395.XA CN202210173395A CN114537003A CN 114537003 A CN114537003 A CN 114537003A CN 202210173395 A CN202210173395 A CN 202210173395A CN 114537003 A CN114537003 A CN 114537003A
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- transfer printing
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- irregular product
- water transfer
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 112
- 238000010023 transfer printing Methods 0.000 title claims abstract description 84
- 238000000034 method Methods 0.000 title claims abstract description 51
- 230000001788 irregular Effects 0.000 claims abstract description 113
- 238000005507 spraying Methods 0.000 claims abstract description 35
- 238000005406 washing Methods 0.000 claims abstract description 31
- 238000001035 drying Methods 0.000 claims abstract description 23
- 239000011248 coating agent Substances 0.000 claims abstract description 21
- 238000000576 coating method Methods 0.000 claims abstract description 21
- 239000000839 emulsion Substances 0.000 claims abstract description 18
- 238000007667 floating Methods 0.000 claims abstract description 9
- 238000004381 surface treatment Methods 0.000 claims abstract description 9
- 230000003213 activating effect Effects 0.000 claims abstract description 8
- 230000004913 activation Effects 0.000 claims abstract description 8
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 8
- 238000002791 soaking Methods 0.000 claims abstract description 8
- 239000000565 sealant Substances 0.000 claims abstract description 5
- 238000003851 corona treatment Methods 0.000 claims description 14
- 239000004593 Epoxy Substances 0.000 claims description 9
- 229920006305 unsaturated polyester Polymers 0.000 claims description 8
- 238000005498 polishing Methods 0.000 claims description 7
- 238000007711 solidification Methods 0.000 claims description 7
- 230000008023 solidification Effects 0.000 claims description 7
- 239000012945 sealing adhesive Substances 0.000 claims description 6
- 239000002966 varnish Substances 0.000 claims description 6
- 239000003973 paint Substances 0.000 claims description 3
- 229920001187 thermosetting polymer Polymers 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 19
- 239000012535 impurity Substances 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 2
- 238000001723 curing Methods 0.000 description 12
- 238000007639 printing Methods 0.000 description 9
- 239000003292 glue Substances 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- 238000007789 sealing Methods 0.000 description 7
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 208000028659 discharge Diseases 0.000 description 2
- 238000004043 dyeing Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000001029 thermal curing Methods 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
Classifications
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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
- B41M1/26—Printing on other surfaces than ordinary paper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/025—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Landscapes
- Decoration By Transfer Pictures (AREA)
Abstract
The invention provides a water transfer printing process and application thereof to concrete products, comprising the following steps: s1, performing surface treatment and surface activation on an irregular product, and placing the irregular product in an environment of 40-45 ℃ for later use; s2, soaking the water transfer printing coating film in water, and spraying an activating agent; s3, immersing the irregular product processed in the step S1 into water to transfer the image-text layer onto the irregular product; s4, taking the irregular product transferred in the step S3 out of water, and washing with water to remove redundant floating layers on the surface; s5, drying the moisture on the surface of the irregular product; s6, spraying a cover liquid, and standing and curing; and S7, spraying the sealant emulsion, drying and curing to finish water transfer printing. The process provided by the invention can be used for carrying out surface treatment and surface activation on an irregular product to be transferred and removing impurities on the surface of the irregular product, is beneficial to improving the transfer success rate of water transfer printing, enables an image-text layer to be more tightly attached to the irregular product, and prolongs the transfer printing effect and service life of the water transfer printing.
Description
Technical Field
The invention relates to a water transfer printing process and application thereof to a concrete product, belonging to the technical field of water coating transfer printing.
Background
With the continuous improvement of living standards of people, the requirement of people on the aesthetic degree of objects appearing in daily life is higher and higher, so that the aesthetic degree of products is improved by adding a proper amount of patterns on more and more products through engraving or printing and dyeing, but in daily life, a plurality of irregular products are also provided, the engraving or printing and dyeing modes of the patterns are few, the common method for printing the patterns on the irregular products is a spraying process or printing the patterns on adhesive sticker and pasting the irregular products, but the patterns printed by the spraying process are easy to be blurred, the patterns printed by the spraying process are easy to fall off by using the adhesive sticker, and the aesthetic property and the lasting using effect cannot be ensured.
The roadblock is a product widely used in urban traffic, military and national important department gates and periphery, pedestrian streets, highways, toll stations, airports, schools, banks, large-scale clubs, parking lots and other occasions, limits passing vehicles, effectively guarantees traffic order, and simultaneously guarantees traffic safety of main facilities and places and personal safety of pedestrians. Roadblocks used in the market at present are generally non-metal products, wherein concrete products are widely applied due to low price, but the appearance of the roadblocks made of concrete is poor, and the appearance of the roadblocks in the market is influenced.
The water-coating transfer printing process is one kind of water transfer printing, and uses water as dissolving medium to make the transfer printing film with colour pattern undergo the process of picture-text transfer printing, and its indirect printing principle and perfect printing effect can solve the difficult problem of surface decoration of many products. However, water-coating transfer printing is often applied to plastic, resin, porcelain, glass and metal products, for example, a surface treatment process of a transparent material disclosed in the invention patent with application publication number CN110254104A is an improvement on the existing water-coating transfer printing process, so as to ensure that products with light sources can also be printed with various patterns by the water-coating transfer printing process, but because the surface of a concrete product is rough and has poor adhesive force, a better transfer printing effect is not easily shown, and the phenomena of falling and cracking of the transfer printing pattern and the like are easily caused, the water-coating transfer printing process is less applied to the concrete product, and the invention provides a water-transfer printing process, which improves the water-transfer printing efficiency and the application effect on the concrete product.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a water transfer printing process and application thereof to a concrete product so as to solve the problems in the background technology.
In order to achieve the first object, the invention provides a water transfer printing process.
A water transfer printing process comprises the following steps:
s1, performing surface treatment and surface activation on an irregular product, and placing the irregular product in an environment of 40-45 ℃ for later use; the surface of the irregular product is rough and adhered with dust impurities, the problems can be solved as much as possible by surface treatment and surface activation, the friction coefficient of the surface of the irregular product is changed, the dust impurities adhered to the surface of the irregular product are cleaned, the adhesive force of the image-text pattern layer on the surface of the irregular product is improved, the image-text pattern layer shows a smoother transfer printing effect, and the service life and the attractiveness of the image-text pattern layer are improved;
s2, soaking the water transfer printing coating film in water with the pH value of 6.5-7 and the water temperature of 25-35 ℃ for 40-60 seconds, and spraying an activating agent; the water transfer printing pH value enables the aqueous solution to be in a neutral weak acidic state, the content of alkali ions in the aqueous solution is reduced, the adhesion of printing ink in the image-text pattern layer on the surface of an irregular product is improved, the water transfer printing temperature can enhance the intermolecular activity of the image-text pattern layer, namely the printing ink layer, the transfer printing effect of the image-text pattern layer is improved, and the image-text deformation caused by overhigh water temperature is avoided;
s3, immersing the irregular product processed in the step S1 into the water immersed with the water transfer printing coating film in the step S2, so that the image-text layer is transferred to the irregular product;
s4, taking the irregular product transferred in the step S3 out of water, and washing with water to remove redundant floating layers on the surface;
s5.70-80 ℃, drying the moisture between the image-text layer and the irregular product and the moisture on the surface of the irregular product;
s6, spraying a cover solution on the surface of the irregular product obtained in the step S5, and standing and curing;
s7, spraying a sealing adhesive emulsion on the surface of the irregular product obtained in the step S6, drying and curing to finish water transfer printing; the sealing glue emulsion can prevent the image-text layer from curling or cracking on one hand, ensures the definition of the image-text layer, can slow down the aging time of the cover liquid on the other hand, prolongs the service life of the image-text layer as much as possible, and can also improve the convenience of cleaning and maintenance of the image-text layer.
Preferably, the step S1 includes:
s11, sequentially polishing, washing and drying the surface of the irregular product;
s12, performing corona discharge treatment on the irregular product processed in the step S11; on the one hand, corona discharge handles the oxygen in making the air high ionization produce ozone, makes irregular product surface activation, and molecule polarity increases, has improved the surface tension of irregular product, plays the effect that improves water transfer printing effect, and on the other hand, corona discharge handles's process still can eliminate the dust of adhering to on irregular product surface, further strengthens the adsorptivity of irregular product to printing ink, improves water transfer printing effect.
S13, spraying a primer on the surface of the irregular product subjected to corona treatment, standing for solidification, and placing in an environment of 40-45 ℃ for later use; the primer serves as a medium between the irregular product and the image-text layer, so that the phenomenon that the transfer effect is not firm due to the fact that the image-text layer is directly transferred to the surface of the irregular product is avoided, the image-text layer and the irregular product do not need to be bonded by glue substances subsequently, the image-text layer can be transferred to the surface of the irregular product more easily, and the effects of saving transfer time and cost and improving the transfer effect are achieved.
Preferably, the primer sprayed in step S13 is an epoxy unsaturated polyester primer; the epoxy unsaturated polyester primer has enough strength, and has better viscosity due to the characteristics of the epoxy unsaturated polyester resin, thereby being beneficial to improving the transfer printing effect of the graphic and text pattern layer.
Preferably, the humidity of the air is maintained at 50-60% during the water transfer process in the step S2.
Preferably, the water washing speed in the step S4 is 0.5-1m/min, and the water washing temperature is 25-35 ℃; the washing speed and the washing temperature can better wash off the redundant floating layer on the surface of the irregular product and simultaneously can not influence the transfer printing effect of the pictures and texts.
Preferably, the sealant emulsion in step S6 is one of rubber oil, thermal curing varnish, UV varnish and paint varnish.
In order to achieve the second purpose, namely the application of the water transfer printing process, the invention is realized by the following technical scheme.
The application of the water transfer printing process to the concrete product is to apply the water transfer printing process to the concrete product, wherein the irregular product is the concrete product in the step S1.
Preferably, the concrete product can be one of a separation pier, a road block ball and a concrete decorative plate.
The invention has the beneficial effects that:
(1) the invention relates to a water transfer printing process, which is used for carrying out surface treatment and surface activation on an irregular product to be transferred, wherein on one hand, the surface treatment is carried out on the irregular product, so that impurities on the surface of the irregular product can be removed, the transfer printing success rate of water transfer printing is improved, the surface of the irregular product is more easily attached to an image-text pattern layer, on the other hand, primer is sprayed on the surface of the irregular product in the surface activation step, the image-text pattern layer is more easily attached to the irregular product, the attachment effect is more compact, and the service life of the image-text transfer printing is prolonged.
(2) The invention relates to a water transfer printing process, which is characterized in that an irregular product to be transferred is placed in an environment of 40-45 ℃ for storage and standby, the water temperature is controlled within the range of 25-35 ℃ in the water transfer printing process, the two temperatures are slightly higher than the room temperature and are not too high, the intermolecular motion of an image-text pattern layer, namely an ink layer, is facilitated to be improved, the bonding rate between the image-text pattern layer and the irregular product is improved, and the image-text pattern layer is clearly and stably bonded on the surface of the irregular product.
(3) The invention relates to a water transfer printing process, which is characterized in that after an image-text layer is transferred to an irregular product, a cover solution and a sealant emulsion are sequentially sprayed on the surface of the image-text layer, the cover solution plays a role in protecting and isolating multiple layers of images and texts, ensures that each layer of image-text layer is clear, the sealant emulsion plays a role in protecting, prevents the image-text layer from curling after long-time use and wind-blown sunshine, and can prolong the transfer printing service life of the images and texts.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Example 1
A water transfer printing process comprises the following steps:
s11, sequentially polishing, washing and drying the surface of the irregular product;
s12, performing corona discharge treatment on the irregular product processed in the step S11;
s13, spraying a primer on the surface of the irregular product subjected to corona treatment, standing for solidification, and placing at 40 ℃ for later use, wherein the primer is an epoxy unsaturated polyester primer;
s2, soaking the water transfer printing coating film in water with the pH value of 6.5 and the water temperature of 25 ℃ for 40 seconds, spraying an activating agent, and maintaining the air humidity to be 55% in the water transfer printing process;
s3, immersing the irregular product processed in the step S1 into the water immersed with the water transfer printing coating film in the step S2, so that the image-text layer is transferred to the irregular product;
s4, taking the irregular product transferred and printed in the step S3 out of water, washing with water to remove redundant floating layers on the surface, wherein the washing speed is 0.5m/min, and the washing temperature is 35 ℃;
s5.70-80 ℃, drying the moisture between the image-text layer and the irregular product and the moisture on the surface of the irregular product;
s6, spraying a cover solution on the surface of the irregular product obtained in the step S5, and standing and curing;
and S7, spraying a sealing glue emulsion on the surface of the irregular product obtained in the step S6, wherein the sealing glue emulsion is rubber oil, and drying and curing to finish water transfer printing.
Example 2
The application of the water transfer printing process on the concrete product relates to an irregular product which is the concrete product and can be one of a separation pier, a road block ball and a concrete decorative plate, namely the water transfer printing process is applied to the concrete product.
Example 3
A water transfer printing process comprises the following steps:
s11, sequentially polishing, washing and drying the surface of the irregular product;
s12, performing corona discharge treatment on the irregular product processed in the step S11;
s13, spraying a primer on the surface of the irregular product subjected to corona treatment, standing for solidification, and then placing in an environment at 41 ℃ for later use, wherein the primer is an epoxy unsaturated polyester primer;
s2, soaking the water transfer printing coating film in water with the pH value of 6.6 and the water temperature of 27 ℃ for 45 seconds, spraying an activating agent, and maintaining the air humidity to be 53% in the water transfer printing process;
s3, immersing the irregular product processed in the step S1 into the water immersed with the water transfer printing coating film in the step S2, so that the image-text layer is transferred to the irregular product;
s4, taking the irregular product transferred and printed in the step S3 out of water, washing with water to remove redundant floating layers on the surface, wherein the washing speed is 0.6m/min, and the washing temperature is 32 ℃;
s5.70-80 ℃, drying the moisture between the image-text layer and the irregular product and the moisture on the surface of the irregular product;
s6, spraying a cover solution on the surface of the irregular product obtained in the step S5, and standing and curing;
and S7, spraying a sealing adhesive emulsion on the surface of the irregular product obtained in the step S6, wherein the sealing adhesive emulsion is thermosetting gloss oil, and drying and curing to finish water transfer printing.
Example 4
A water transfer printing process comprises the following steps:
s11, sequentially polishing, washing and drying the surface of the irregular product;
s12, performing corona discharge treatment on the irregular product processed in the step S11;
s13, spraying a primer on the surface of the irregular product subjected to corona treatment, standing for solidification, and placing at 42 ℃ for later use, wherein the primer is an epoxy unsaturated polyester primer;
s2, soaking the water transfer printing coating film in water with the pH value of 6.7 and the water temperature of 29 ℃ for 50 seconds, spraying an activating agent, and maintaining the air humidity to be 57% in the water transfer printing process;
s3, immersing the irregular product processed in the step S1 into the water immersed with the water transfer printing coating film in the step S2, so that the image-text layer is transferred to the irregular product;
s4, taking the irregular product transferred and printed in the step S3 out of water, washing with water to remove redundant floating layers on the surface, wherein the washing speed is 0.7m/min, and the washing temperature is 30 ℃;
s5.70-80 ℃, drying the moisture between the image-text layer and the irregular product and the moisture on the surface of the irregular product;
s6, spraying a cover solution on the surface of the irregular product obtained in the step S5, and standing and curing;
s7, spraying sealing glue emulsion on the surface of the irregular product obtained in the step S6, wherein the sealing glue emulsion is UV gloss oil, and drying and curing to finish water transfer printing.
Example 5
A water transfer printing process comprises the following steps:
s11, sequentially polishing, washing and drying the surface of the irregular product;
s12, performing corona discharge treatment on the irregular product processed in the step S11;
s13, spraying a primer on the surface of the irregular product subjected to corona treatment, standing for solidification, and placing at 42 ℃ for later use, wherein the primer is an epoxy unsaturated polyester primer;
s2, soaking the water transfer printing coating film in water with the pH value of 6.8 and the water temperature of 31 ℃ for 55 seconds, spraying an activating agent, and maintaining the air humidity to be 50% in the water transfer printing process;
s3, immersing the irregular product processed in the step S1 into the water immersed with the water transfer printing coating film in the step S2, so that the image-text layer is transferred to the irregular product;
s4, taking the irregular product transferred and printed in the step S3 out of water, washing with water to remove redundant floating layers on the surface, wherein the washing speed is 0.8m/min, and the washing temperature is 28 ℃;
s5.70-80 ℃, drying the moisture between the image-text layer and the irregular product and the moisture on the surface of the irregular product;
s6, spraying a cover solution on the surface of the irregular product obtained in the step S5, and standing and curing;
s7, spraying sealing glue emulsion on the surface of the irregular product obtained in the step S6, wherein the sealing glue emulsion is paint spraying gloss oil, and drying and curing to finish water transfer printing.
Example 6
S11, sequentially polishing, washing and drying the surface of the irregular product;
s12, performing corona discharge treatment on the irregular product processed in the step S11;
s13, spraying a primer on the surface of the irregular product subjected to corona treatment, standing for solidification, and placing at 41 ℃ for later use, wherein the primer is an epoxy unsaturated polyester primer;
s2, soaking the water transfer printing coating film in water with the pH value of 7 and the water temperature of 35 ℃ for 60 seconds, spraying an activating agent, and maintaining the air humidity to be 60% in the water transfer printing process;
s3, immersing the irregular product processed in the step S1 into the water immersed with the water transfer printing coating film in the step S2, so that the image-text layer is transferred to the irregular product;
s4, taking the irregular product transferred and printed in the step S3 out of water, washing with water to remove redundant floating layers on the surface, wherein the washing speed is 1m/min, and the washing temperature is 25 ℃;
s5.70-80 ℃, drying the moisture between the image-text layer and the irregular product and the moisture on the surface of the irregular product;
s6, spraying a cover solution on the surface of the irregular product obtained in the step S5, and standing and curing;
and S7, spraying a sealing adhesive emulsion on the surface of the irregular product obtained in the step S6, wherein the sealing adhesive emulsion is thermosetting gloss oil, and drying and curing to finish water transfer printing.
Comparative example 1
The same size and scale of the road-block balls were transferred by the transfer process steps of examples 1 and 3-6, and the transferred road-block balls were observed for flatness, color difference, and abrasion resistance and evaluated by the transfer process steps of example 1 in the surface treatment process of a transparent material disclosed in patent application publication No. CN110254104A as a comparison, and the evaluation results are shown in table 1.
Table 1 evaluation of transfer effect of road-block ball
| Flatness of | Color difference | Wear resistance | |
| Example 1 | Level and bright | 13.98 | 5 |
| Example 3 | Level and bright | 14.21 | 5 |
| Example 4 | Level and bright | 14.07 | 4 |
| Example 5 | Level and bright | 14.12 | 4 |
| Example 6 | Level and bright | 14.16 | 5 |
| Comparative example 1 | Level and slightly dark | 24.45 | 2 |
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A water transfer printing process is characterized by comprising the following steps:
s1, performing surface treatment and surface activation on an irregular product, and placing the irregular product in an environment of 40-45 ℃ for later use;
s2, soaking the water transfer printing coating film in water with the pH value of 6.5-7 and the water temperature of 25-35 ℃ for 40-60 seconds, and spraying an activating agent;
s3, immersing the irregular product processed in the step S1 into the water immersed with the water transfer printing coating film in the step S2, so that the image-text layer is transferred to the irregular product;
s4, taking the irregular product transferred in the step S3 out of water, and washing with water to remove redundant floating layers on the surface;
s5.70-80 ℃, drying the moisture between the image-text layer and the irregular product and the moisture on the surface of the irregular product;
s6, spraying a cover solution on the surface of the irregular product obtained in the step S5, and standing and curing;
and S7, spraying the sealing adhesive emulsion on the surface of the irregular product obtained in the step S6, drying and curing to finish water transfer printing.
2. The water transfer printing process according to claim 1, wherein the step S1 includes:
s11, sequentially polishing, washing and drying the surface of the irregular product;
s12, performing corona discharge treatment on the irregular product processed in the step S11;
s13, spraying a primer on the surface of the irregular product subjected to corona treatment, standing for solidification, and placing in an environment of 40-45 ℃ for later use.
3. The water transfer printing process according to claim 2, wherein: the primer sprayed in the step S13 is an epoxy unsaturated polyester primer.
4. The water transfer printing process according to claim 1, wherein: the humidity of the air is maintained at 50-60% during the water transfer process in the step S2.
5. The water transfer printing process according to claim 1, wherein: in the step S4, the washing speed is 0.5-1m/min, and the washing temperature is 25-35 ℃.
6. The water transfer printing process according to claim 1, wherein: the sealant emulsion in the step S6 is one of rubber oil, thermosetting varnish, UV varnish and paint varnish.
7. The application of the water transfer printing technology to the concrete product is characterized in that: the irregular product in step S1 is a concrete product, namely, the water transfer printing process of claims 1-6 is applied to the concrete product.
8. The use of a water transfer process according to claim 7 in a concrete product, wherein the concrete product is one of a hard shoulder, a road block ball, and a concrete trim panel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210173395.XA CN114537003A (en) | 2022-02-24 | 2022-02-24 | Water transfer printing process and application thereof to concrete product |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210173395.XA CN114537003A (en) | 2022-02-24 | 2022-02-24 | Water transfer printing process and application thereof to concrete product |
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| CN114537003A true CN114537003A (en) | 2022-05-27 |
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| CN202210173395.XA Pending CN114537003A (en) | 2022-02-24 | 2022-02-24 | Water transfer printing process and application thereof to concrete product |
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| CN102975507A (en) * | 2012-12-10 | 2013-03-20 | 宜兴市思远制陶有限公司 | Preparation method and obtained product of water transfer printing fictile |
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