CN112060795A - Production process of environment-friendly PVA water transfer film - Google Patents
Production process of environment-friendly PVA water transfer film Download PDFInfo
- Publication number
- CN112060795A CN112060795A CN202010957849.3A CN202010957849A CN112060795A CN 112060795 A CN112060795 A CN 112060795A CN 202010957849 A CN202010957849 A CN 202010957849A CN 112060795 A CN112060795 A CN 112060795A
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- Prior art keywords
- pva
- film
- based resin
- ink
- water
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- 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
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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
- B41M1/10—Intaglio printing ; Gravure printing
-
- 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
- B41M1/30—Printing on other surfaces than ordinary paper on organic plastics, horn or similar materials
Abstract
The invention discloses a production process of an environment-friendly PVA water transfer printing film, which comprises the following steps: the method comprises the following steps: coating PVA water-based resin, and uniformly coating a layer of PVA water-based resin on the PET film through a coating device; step two: curing and forming the PVA film, namely introducing the PET film coated with the PVA water-based resin in the step one into a drying device for drying so as to cure and form the PVA film by the PVA water-based resin, wherein the drying temperature is 60-100 ℃; step three: pattern printing, namely performing ink printing on the cured and molded PVA film by using a gravure printing device to form an ink printing layer, wherein the water ink is water-based ink; step four: and coating an activation layer on the printing ink printing layer in a rubber roller rolling coating mode. The water-based ink can be printed and applied to the PVA film in a gravure printing mode to replace the traditional solvent-based ink, so that the product is green and environment-friendly.
Description
Technical Field
The invention relates to the technical field of water transfer printing film preparation, in particular to a production process for an environment-friendly PVA water transfer printing film.
Background
The water transfer printing technology is a process technology for coating pictures and texts on a three-dimensional surface by using the pressure of water to perform transfer printing, a carrier film for water coating transfer printing is generally a water-soluble PVA film, the printing mode is generally the traditional gravure printing, and solvent-based ink is mainly adopted.
Due to the characteristics of the PVA film, PVA is easy to absorb water and soften, so that the PVA is easy to stretch and deform in the intaglio printing process, the requirement on the temperature and the humidity of the working environment is high, and multicolor chromatography exquisite patterns are not easy to print by utilizing the intaglio printing, so that the water-based ink with extremely high water content cannot be applied to the intaglio printing of the PVA film. In addition, the traditional solvent-based ink is not good in environmental protection.
The invention carries out process improvement aiming at the difficulties, prepares the environment-friendly PVA water transfer printing film which is environment-friendly and has good printing performance, prints exquisite patterns by using water-based ink and greatly improves the added value of products.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides the production process of the environment-friendly PVA water transfer printing film, which can print and apply the water-based ink to the PVA film in a gravure printing mode to replace the traditional solvent-based ink, so that the product is environment-friendly.
In order to achieve the technical effects, the invention adopts the following scheme:
the production process of the environment-friendly PVA water transfer printing film comprises the following steps:
the method comprises the following steps: coating PVA water-based resin, and uniformly coating a layer of PVA water-based resin on the PET film through a coating device;
step two: curing and forming the PVA film, namely introducing the PET film coated with the PVA water-based resin in the step one into a drying device for drying so as to cure and form the PVA film by the PVA water-based resin, wherein the drying temperature is 60-100 ℃;
step three: pattern printing, namely printing ink on the cured and molded PVA film by using a gravure printing device to form an ink printing layer, wherein the ink is water-based ink;
step four: and coating an activation layer, namely coating the activation layer on the printing ink printing layer in a rubber roller coating mode.
According to the preferable technical scheme, the coating device in the first step comprises a bottom plate, an upper plate is arranged above the bottom plate, a gap is formed between the bottom plate and the upper plate, the upper plate is provided with a glue containing hole vertically penetrating through the upper plate, the PET film is attached to the upper surface of the bottom plate, the PVA water-based resin is filled into the glue containing hole through the gap between the bottom plate and the upper plate, and the PVA water-based resin is coated on the PET film in a downward flowing mode.
The preferred technical scheme, drying device in step two includes the stoving case, the stoving incasement is through having the conveyer belt, the surperficial evenly distributed of conveyer belt has a plurality of hot plates, be equipped with a plurality of heating wires in the hot plate, the PET membrane that will coat PVA water-based resin is placed and is conveyed at the upper surface of hot plate, to the PET membrane heating that has PVA water-based resin simultaneously, stoving PVA water-based resin from the below, the stoving incasement still is equipped with a plurality of infrared heating pipe, infrared heating pipe is located the top of hot plate, stoving PVA water-based resin from the top.
According to the preferable technical scheme, ink is printed in the third step through electrostatic ink absorption, so that the composite film of the PET film and the PVA film is charged with static electricity, and the ink in the concave pits of the gravure is adsorbed on the PVA film through the static electricity.
According to the preferable technical scheme, the drying temperature in the second step is 60-100 ℃, and the drying speed is 3.5-6 m/min.
Compared with the prior art, beneficial effect does:
1) the PET film is used as a carrier of the PVA film, and the PET film has the characteristics of good flatness, stretch resistance, extension resistance, difficult deformation and the like, so that the PVA film can be prevented from stretching and deforming in the gravure printing process, and printing of multicolor chromatography exquisite patterns is facilitated;
2) the water-based ink is adopted to replace the traditional solvent-based ink, and is green and environment-friendly.
Drawings
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a schematic view of the principal structure of a coating apparatus employed in the present invention;
fig. 3 is a schematic view of the main structure of the drying apparatus used in the present invention.
Reference numerals: 1. a base plate; 2. an upper plate; 3. glue containing holes; 4. a PET film; 5. a drying box; 6. heating plates; 7. an infrared heating tube; 8. a PET film coated with PVA water-based resin.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments.
The production process of the environment-friendly PVA water transfer printing film comprises the following steps:
the method comprises the following steps: coating PVA water-based resin, and uniformly coating a layer of PVA water-based resin on the PET film through a coating device;
step two: curing and forming the PVA film, namely introducing the PET film coated with the PVA water-based resin in the step one into a drying device for drying so as to cure and form the PVA film by the PVA water-based resin, wherein the drying temperature is 60-100 ℃;
step three: pattern printing, namely printing ink on the cured and molded PVA film by using a gravure printing device to form an ink printing layer, wherein the ink is water-based ink;
step four: and coating an activation layer, namely coating the activation layer on the printing ink printing layer in a rubber roller coating mode.
According to the preferable technical scheme, the coating device in the first step comprises a bottom plate, an upper plate is arranged above the bottom plate, a gap is formed between the bottom plate and the upper plate, the upper plate is provided with a glue containing hole vertically penetrating through the upper plate, the PET film is attached to the upper surface of the bottom plate, the PVA water-based resin is filled into the glue containing hole through the gap between the bottom plate and the upper plate, and the PVA water-based resin is coated on the PET film in a downward flowing mode.
The preferred technical scheme, drying device in step two includes the stoving case, the stoving incasement is through having the conveyer belt, the surperficial evenly distributed of conveyer belt has a plurality of hot plates, be equipped with a plurality of heating wires in the hot plate, the PET membrane that will coat PVA water-based resin is placed and is conveyed at the upper surface of hot plate, to the PET membrane heating that has PVA water-based resin simultaneously, stoving PVA water-based resin from the below, the stoving incasement still is equipped with a plurality of infrared heating pipe, infrared heating pipe is located the top of hot plate, stoving PVA water-based resin from the top.
According to the preferable technical scheme, ink is printed in the third step through electrostatic ink absorption, so that the composite film of the PET film and the PVA film is charged with static electricity, and the ink in the concave pits of the gravure is adsorbed on the PVA film through the static electricity.
According to the preferable technical scheme, the drying temperature in the second step is 60-100 ℃, and the drying speed is 3.5-6 m/min.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, refer to orientations or positional relationships that are 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, or the orientations or positional relationships that are conventionally understood by those skilled in the art, and are used for convenience in describing and simplifying the description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
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.
Claims (5)
1. The production process of the environment-friendly PVA water transfer printing film is characterized by comprising the following steps:
the method comprises the following steps: coating PVA water-based resin, and uniformly coating a layer of PVA water-based resin on the PET film through a coating device;
step two: curing and forming the PVA film, namely introducing the PET film coated with the PVA water-based resin in the step one into a drying device for drying so as to cure and form the PVA film by the PVA water-based resin, wherein the drying temperature is 60-100 ℃;
step three: pattern printing, namely printing ink on the cured and molded PVA film by using a gravure printing device to form an ink printing layer, wherein the ink is water-based ink;
step four: and coating an activation layer, namely coating the activation layer on the printing ink printing layer in a rubber roller coating mode.
2. The production process of the environment-friendly PVA water transfer film according to claim 1, wherein the coating device in the first step comprises a bottom plate, an upper plate is arranged above the bottom plate, a gap is formed between the bottom plate and the upper plate, the upper plate is provided with glue containing holes vertically penetrating through the upper plate, the PET film is attached to the upper surface of the bottom plate and passes through the gap between the bottom plate and the upper plate, PVA water-based resin is filled into the glue containing holes, and the PVA water-based resin is coated on the PET film in a downward flowing manner.
3. The production process of the environment-friendly PVA water transfer film according to claim 1, wherein the drying device in the second step comprises a drying box, a conveyor belt is arranged in the drying box, a plurality of heating plates are uniformly distributed on the surface of the conveyor belt, a plurality of heating wires are arranged in the heating plates, the PET film coated with the PVA water-based resin is placed on the upper surfaces of the heating plates for conveying, meanwhile, the PET film coated with the PVA water-based resin is heated, the PVA water-based resin is dried from the lower part, a plurality of infrared heating pipes are further arranged in the drying box, and the infrared heating pipes are positioned above the heating plates for drying the PVA water-based resin from the upper.
4. The process for producing environment-friendly PVA water transfer film according to claim 1, wherein the ink printing in the third step is performed by electrostatic ink absorption, so that the composite film of the PET film and the PVA film is electrostatically charged, and the ink in the concave pits of the gravure is adsorbed on the PVA film by the electrostatic.
5. The production process of the environment-friendly PVA water transfer film according to claim 1, wherein the drying temperature in the second step is 60 ℃ to 100 ℃, and the drying speed is 3.5 m/min to 6 m/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010957849.3A CN112060795A (en) | 2020-09-14 | 2020-09-14 | Production process of environment-friendly PVA water transfer film |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010957849.3A CN112060795A (en) | 2020-09-14 | 2020-09-14 | Production process of environment-friendly PVA water transfer film |
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| CN112060795A true CN112060795A (en) | 2020-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010957849.3A Pending CN112060795A (en) | 2020-09-14 | 2020-09-14 | Production process of environment-friendly PVA water transfer film |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114347681A (en) * | 2022-01-28 | 2022-04-15 | 天津长荣科技集团股份有限公司 | Method for transferring offset printing product to gravure printing |
| CN114701275A (en) * | 2022-03-16 | 2022-07-05 | 珠海天威新材料股份有限公司 | Digital printable water-coated film, ink, water transfer printing method and water transfer printing product |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM407829U (en) * | 2011-01-24 | 2011-07-21 | Cheng-Ho Liu | Functional thin films structure |
| CN103260899A (en) * | 2011-12-21 | 2013-08-21 | 爱赛璐化学株式会社 | Film for hydraulic transfer |
| TWI634996B (en) * | 2017-03-17 | 2018-09-11 | 鄭宏隆 | Ultrathin transfer film and preparation method thereof |
| US20180345685A1 (en) * | 2015-04-03 | 2018-12-06 | Canon Finetech Nisca Inc. | Recorded matter |
| CN111391531A (en) * | 2020-03-19 | 2020-07-10 | 湖南工业大学 | Preparation method of digital ink-jet printing water transfer printing film, water transfer printing film and water transfer printing method |
-
2020
- 2020-09-14 CN CN202010957849.3A patent/CN112060795A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM407829U (en) * | 2011-01-24 | 2011-07-21 | Cheng-Ho Liu | Functional thin films structure |
| CN103260899A (en) * | 2011-12-21 | 2013-08-21 | 爱赛璐化学株式会社 | Film for hydraulic transfer |
| US20180345685A1 (en) * | 2015-04-03 | 2018-12-06 | Canon Finetech Nisca Inc. | Recorded matter |
| TWI634996B (en) * | 2017-03-17 | 2018-09-11 | 鄭宏隆 | Ultrathin transfer film and preparation method thereof |
| CN111391531A (en) * | 2020-03-19 | 2020-07-10 | 湖南工业大学 | Preparation method of digital ink-jet printing water transfer printing film, water transfer printing film and water transfer printing method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114347681A (en) * | 2022-01-28 | 2022-04-15 | 天津长荣科技集团股份有限公司 | Method for transferring offset printing product to gravure printing |
| CN114701275A (en) * | 2022-03-16 | 2022-07-05 | 珠海天威新材料股份有限公司 | Digital printable water-coated film, ink, water transfer printing method and water transfer printing product |
| CN114701275B (en) * | 2022-03-16 | 2023-09-05 | 珠海天威新材料股份有限公司 | Digital printing water coating film, ink, water transfer printing method and water transfer printing product |
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Application publication date: 20201211 |