CN111923628A - Preparation method of printable water transfer film and printable water transfer film - Google Patents
Preparation method of printable water transfer film and printable water transfer film Download PDFInfo
- Publication number
- CN111923628A CN111923628A CN202010962378.5A CN202010962378A CN111923628A CN 111923628 A CN111923628 A CN 111923628A CN 202010962378 A CN202010962378 A CN 202010962378A CN 111923628 A CN111923628 A CN 111923628A
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- film
- water transfer
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 238000007639 printing Methods 0.000 claims abstract description 35
- 238000000576 coating method Methods 0.000 claims abstract description 31
- 239000011248 coating agent Substances 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 21
- 238000010023 transfer printing Methods 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 19
- 229920000139 polyethylene terephthalate Polymers 0.000 claims abstract description 19
- 238000001035 drying Methods 0.000 claims abstract description 14
- 229920002799 BoPET Polymers 0.000 claims abstract description 12
- 230000008569 process Effects 0.000 claims abstract description 12
- 238000003851 corona treatment Methods 0.000 claims abstract description 10
- 239000002002 slurry Substances 0.000 claims abstract description 10
- 239000000758 substrate Substances 0.000 claims abstract description 8
- 238000004132 cross linking Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 4
- 230000003068 static effect Effects 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims 1
- 230000009467 reduction Effects 0.000 abstract description 6
- 230000035699 permeability Effects 0.000 abstract description 5
- 238000007665 sagging Methods 0.000 abstract description 5
- 238000009713 electroplating Methods 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 23
- 239000000976 ink Substances 0.000 description 10
- 239000002904 solvent Substances 0.000 description 7
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000007645 offset printing Methods 0.000 description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007648 laser printing Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000007646 gravure printing Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000007641 inkjet printing Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229920006113 non-polar polymer Polymers 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 238000007592 spray painting technique Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Images
Classifications
-
- 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
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/382—Contact thermal transfer or sublimation processes
- B41M5/38207—Contact thermal transfer or sublimation processes characterised by aspects not provided for in groups B41M5/385 - B41M5/395
- B41M5/38214—Structural details, e.g. multilayer systems
-
- 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
- B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
- B41M5/52—Macromolecular coatings
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Printing Methods (AREA)
Abstract
The invention discloses a preparation method of a printable water transfer printing film, which comprises the following steps: a. preparing a PET film with the thickness of 70-75 μm as a substrate; b. uniformly coating the modified PVA formula slurry on the surface of a substrate of a PET film; c. after the coating is finished, drying the PET film coated with the modified PVA formula slurry at a certain temperature; d. after drying, carrying out corona treatment on the material; e. after the corona treatment is finished, coating a printing coating on the surface of the PVA film layer, and drying to obtain a product; the printable water transfer film comprises a PET layer, a modified PVA formula layer and a printing coating, wherein the modified PVA formula layer is arranged on the surface of the PET layer, and the printing coating is arranged on the surface of the modified PVA formula layer. The invention can omit the processes of plate opening, engraving and electroplating, saves time and cost, reduces the pollution to the environment, and has the advantages of good permeability, no sagging phenomenon, smooth printing, high reduction degree and no layering and moisture regain.
Description
Technical Field
The invention relates to the technical field of water transfer printing, in particular to a preparation method of a printable water transfer printing film and the printable water transfer printing film.
Background
Water transfer printing is a process that is initiated from printing and utilizes the principle of molecular diffusion to transfer a pattern (transfer film) to an article. However, the conventional water transfer film can be only gravure-printed. Gravure printing requires a series of complicated processes such as plate opening, engraving, electroplating, printing and the like. The popularization of the water transfer printing technology is difficult to realize on a large scale. The common PVA material for the water transfer film can not be directly used for printing finished products in the traditional modes of spray painting, silk printing and offset printing. The technical problems of sagging and non-adhesion can occur during the printing process.
The printable water transfer printing film on the market at present is a material produced by using a composite technology for common water transfer printing films and PVC paper, and patent application No. 202010197031.6 discloses a preparation method for a digital ink-jet printing water transfer printing film, the water transfer printing film and a water transfer printing method, wherein the water transfer printing film mainly comprises paper, PET, PVA and polyurethane gloss oil layers, and has the following defects in the using process: (1) the defects of layering, moisture regain and scrapping of the PVA layer and the PVC paper material can occur; (2) the material cannot be printed by using a common weak solvent and water-based membrane water, and the printed ink has no permeability and sagging; (3) rough pattern and poor reduction degree in the transfer process.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a preparation method of a printable water transfer film and the printable water transfer film.
The purpose of the invention is realized by the following technical scheme: a preparation method of a printable water transfer printing film comprises the following steps:
a. preparing a PET film with the thickness of 70-75 μm as a substrate;
b. uniformly coating the modified PVA formula slurry on the surface of a substrate of a PET film;
c. after the coating is finished, drying the PET film coated with the modified PVA formula slurry at a certain temperature;
d. after drying, carrying out corona treatment on the material;
e. and after the corona treatment is finished, coating a printing coating on the surface of the PVA film layer, and drying to obtain the product.
In one preferable scheme, the modified PVA formula slurry in the step b is sprayed by a coating process, and the printing coating is also coated by a coater.
In one preferred embodiment, the certain temperature in step c is 70 °.
In one preferable scheme, a static electricity removing treatment process is added between the step d and the step e for the obtained material.
In one preferred embodiment, the temperature is kept at 80 ° during the drying in step e.
The printable water transfer printing film comprises a PET layer, a modified PVA formula layer and a printing coating, wherein the modified PVA formula layer is arranged on the surface of the PET layer, and the printing coating is arranged on the surface of the modified PVA formula layer.
In one preferred embodiment, the modified PVA formula layer is prepared by cross-linking reaction of PVA and PVP.
In one preferable scheme, the thickness of the PET layer is 70-75 μm.
In a preferred embodiment, the surface of the PET layer is glossy and free of scratches.
The invention has the beneficial effects that: the material of the invention does not need to be subjected to plate opening, the working procedures of plate opening, carving and electroplating are omitted, the time cost is saved, and the pollution to the environment is reduced; the water transfer printing film is not limited by materials and printing modes, can be used for various water-based and weak solvent and solvent-based inks and ink systems to directly perform printing, laser printing, silk printing and offset printing on the film material, is prepared by a coating process and a corona process, has good trafficability, good ink permeability after printing, no sagging phenomenon, smooth printing and high reduction degree, and does not have the phenomena of layering and moisture reversion after being placed for a long time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural view of the present invention;
in the figure, 1-PET layer, 2-modified PVA formulation layer, 3-print coating.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
The terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
The terms "parallel", "perpendicular", etc. do not require that the components be absolutely parallel or perpendicular, but may be slightly inclined. For example, "parallel" merely means that the directions are more parallel relative to "perpendicular," and does not mean that the structures are necessarily perfectly parallel, but may be slightly tilted.
The terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal, vertical or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
Furthermore, the terms "substantially", and the like are intended to indicate that the relative terms are not necessarily strictly required, but may have some deviation. For example: "substantially equal" does not merely mean absolute parallelism, and because absolute equality is difficult to achieve in actual production and operation, certain deviations generally exist. Thus, in addition to absolute equality, "substantially equal" also includes the above-described case where there is some deviation. In this case, unless otherwise specified, terms such as "substantially", and the like are used in a similar manner to those described above.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, the present invention provides a technical solution: a preparation method of a printable water transfer printing film comprises the following steps:
a. preparing a PET film with the thickness of 70-75 μm as a substrate;
b. uniformly coating the modified PVA formula slurry on the surface of a substrate of a PET film through a coating process;
c. after the coating is finished, drying the PET film coated with the modified PVA formula slurry at a certain temperature of 70 ℃ until the water content is about 30% (in the state, the film is not sticky, and can be rolled up to meet the requirement);
d. after drying, the material is subjected to corona treatment, most plastic films (such as hydrocarbon polymer films) are nonpolar polymers, the known ink and adhesive with low surface tension cannot be firmly attached to the plastic films, and the corona treatment can break chemical bonds of plastic molecules to degrade the plastic molecules and increase the surface roughness and the surface area. A large amount of ozone is generated during discharging, the ozone is a strong oxidant and can oxidize plastic molecules to generate groups with stronger polarity, such as carbonyl, peroxide and the like, so that the surface performance of the plastic is improved; the obtained material is subjected to a static electricity removing treatment process, and the dust contamination capacity of the film can be reduced after static electricity is removed, so that the surface of the film is ensured not to have dust, and the printing quality is improved.
e. After the corona treatment is finished, the printing coating 3 is coated on the surface of the PVA film layer by a coating process and dried to obtain a product, and the temperature is kept at 80 degrees during drying.
The utility model provides a printable water transfer printing film, includes PET layer 1(PET chooses for use the product of U.S. DuPont company production manufacturing), modified PVA formula layer 2 and prints coating 3, PET layer 1 chooses for use surperficial highlight and no mar as the base plate, reduction when can effectively improving the product and print, the definition of image. The modified PVA formula has larger surface friction force and better hardness, can increase the inking amount of printing after corona treatment, is prepared by the crosslinking reaction of PVA and PVP, and can improve the flatness and the stiffness through the crosslinking reaction of PVA and PVP, so that the material is more suitable for printing. The modified PVA formula layer 2 is arranged on the surface of the PET layer 1, and the printing coating layer 3 is arranged on the surface of the modified PVA formula layer 2. The material of the invention does not need to be subjected to plate opening, the working procedures of plate opening, carving and electroplating are omitted, the time cost is saved, and the pollution to the environment is reduced; the water transfer printing film is not limited by materials and printing modes, can be used for various water-based and weak solvent and solvent-based inks and ink systems to directly perform printing, laser printing, silk printing and offset printing on the film material, is prepared by a coating process and a corona process, has good trafficability, good ink permeability after printing, no sagging phenomenon, smooth printing and high reduction degree, and does not have the phenomena of layering and moisture reversion after being placed for a long time.
Preferably, the thickness of the PET layer 1 is 70-75 μm, and the modified PVA formula layer 2 can be effectively protected by the thicker PET layer 1.
The structural composition of the prior art and the present invention are compared in the following table:
the invention reduces the composition of the structure and the product obtained by the preparation method mentioned in the claims has the following advantages: (1) because the product does not contain PVC paper materials, the phenomena of layering and moisture regain can not occur; (2) the product can be used for printing ink with the properties of solvent, weak solvent, water-based silk screen printing and the like, and the ink has good permeability after printing and can not sag; (3) the transfer printing process has delicate patterns, high reduction degree and the like.
The foregoing is illustrative of the preferred embodiments of this invention, and it is to be understood that the invention is not limited to the precise form disclosed herein and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the concept as disclosed herein, either as described above or as apparent to those skilled in the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. A preparation method of a printable water transfer printing film is characterized in that: the method comprises the following steps:
a. preparing a PET film with the thickness of 70-75 μm as a substrate;
b. uniformly coating the modified PVA formula slurry on the surface of a substrate of a PET film;
c. after the coating is finished, drying the PET film coated with the modified PVA formula slurry at a certain temperature;
d. after drying, carrying out corona treatment on the material;
e. and after the corona treatment is finished, coating a printing coating on the surface of the PVA film layer, and drying to obtain the product.
2. The method of claim 1, wherein: and c, spraying the modified PVA formula slurry in the step b by adopting a coating process, and smearing the printing coating by adopting a coater.
3. The method of claim 1, wherein: the certain temperature in the step c is 50-120 degrees.
4. The method of claim 1, wherein: and a static electricity removing treatment process is added between the step d and the step e for the obtained material.
5. The method of claim 1, wherein: and (e) keeping the temperature at 50-120 ℃ during drying in the step (e).
6. A printable water transfer film prepared by the method of any of claims 1-5, wherein: the PET printing ink comprises a PET layer, a modified PVA formula layer and a printing coating, wherein the modified PVA formula layer is arranged on the surface of the PET layer, and the printing coating is arranged on the surface of the modified PVA formula layer.
7. The printable water transfer film of claim 6, wherein: the modified PVA formula layer is prepared through the cross-linking reaction of PVA and PVP.
8. The printable water transfer film of claim 6, wherein: the thickness of the PET layer is 70-75 mu m.
9. The printable water transfer film of claim 6, wherein: the surface of the PET layer is high in light and free of scratches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010962378.5A CN111923628A (en) | 2020-09-14 | 2020-09-14 | Preparation method of printable water transfer film and printable water transfer film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010962378.5A CN111923628A (en) | 2020-09-14 | 2020-09-14 | Preparation method of printable water transfer film and printable water transfer film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111923628A true CN111923628A (en) | 2020-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010962378.5A Pending CN111923628A (en) | 2020-09-14 | 2020-09-14 | Preparation method of printable water transfer film and printable water transfer film |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1409666A (en) * | 1999-12-16 | 2003-04-09 | 咨询卡有限公司 | Printed substrate made by transfer of ink jet printed image from printable transfer film |
| CN103260899A (en) * | 2011-12-21 | 2013-08-21 | 爱赛璐化学株式会社 | Film for hydraulic transfer |
| CN204109589U (en) * | 2014-07-22 | 2015-01-21 | 陈炯垯 | A kind of transfer film of printable preparation |
| CN106274117A (en) * | 2016-08-08 | 2017-01-04 | 洪涛 | A kind of water transfer printing technique |
| CN109703226A (en) * | 2019-01-22 | 2019-05-03 | 东莞市鑫烨转印材料有限公司 | A kind of water transfer construction method |
| CN111391531A (en) * | 2020-03-19 | 2020-07-10 | 湖南工业大学 | A kind of preparation method of digital inkjet printing water transfer film, water transfer film and water transfer method |
-
2020
- 2020-09-14 CN CN202010962378.5A patent/CN111923628A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1409666A (en) * | 1999-12-16 | 2003-04-09 | 咨询卡有限公司 | Printed substrate made by transfer of ink jet printed image from printable transfer film |
| CN103260899A (en) * | 2011-12-21 | 2013-08-21 | 爱赛璐化学株式会社 | Film for hydraulic transfer |
| CN204109589U (en) * | 2014-07-22 | 2015-01-21 | 陈炯垯 | A kind of transfer film of printable preparation |
| CN106274117A (en) * | 2016-08-08 | 2017-01-04 | 洪涛 | A kind of water transfer printing technique |
| CN109703226A (en) * | 2019-01-22 | 2019-05-03 | 东莞市鑫烨转印材料有限公司 | A kind of water transfer construction method |
| CN111391531A (en) * | 2020-03-19 | 2020-07-10 | 湖南工业大学 | A kind of preparation method of digital inkjet printing water transfer film, water transfer film and water transfer method |
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Effective date of registration: 20241009 Address after: No. 1, 12th Floor, Unit 2, Building 12, No. 99, South Section of Jinxiu Avenue, Chengdu Cross Strait Science and Technology Industrial Development Park, Wenjiang District, Chengdu City, Sichuan Province 611130 Applicant after: CHENGDU LIYUANHENG ELECTROMECHANICAL EQUIPMENT Co.,Ltd. Country or region after: China Address before: Room 2303, 23 / F, unit 1, building 2, 66 Ruilian Road, Qingyang District, Chengdu, Sichuan 610000 Applicant before: CHENGDU LIYUAN HENGSHUI TRANSFER PRINTING TECHNOLOGY Co.,Ltd. Country or region before: China |
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