CN111942071B - Hydraulic transfer method for producing relief - Google Patents
Hydraulic transfer method for producing relief Download PDFInfo
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- CN111942071B CN111942071B CN201910414067.2A CN201910414067A CN111942071B CN 111942071 B CN111942071 B CN 111942071B CN 201910414067 A CN201910414067 A CN 201910414067A CN 111942071 B CN111942071 B CN 111942071B
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- layer
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- hydraulic transfer
- pattern
- activator
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
- B44C1/16—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like
- B44C1/165—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like for decalcomanias; sheet material therefor
- B44C1/175—Transfer using solvent
Abstract
A hydraulic transfer method for creating a relief, comprising: (a) forming a pattern layer on the water-soluble film by using ink, wherein the pattern layer comprises at least two spaced pattern areas; (b) forming an activator layer on the pattern layer, wherein the activator layer is positioned above the water-soluble film and the pattern layer and filled between two spaced pattern areas, at least part of the activator layer penetrates into the pattern layer to be mutually soluble with the pattern layer, the activator layer comprises a hydrophilic acrylate monomer and a hydrophobic acrylate monomer, and the specific gravity of the activator layer is more than 1.00 and not more than 1.25; (c) placing the water-soluble film on the water surface, and enabling the activating agent layer to concentrate and sink between the two spaced pattern areas to extrude the water-soluble film; and (d) pressing the water-soluble film into water. According to the invention, a transfer printing film structure with the convex patterns can be obtained without using a leveling agent.
Description
Technical Field
The present invention relates to a hydraulic transfer method, and more particularly, to a hydraulic transfer method for producing a relief.
Background
The conventional hydraulic transfer method comprises forming a pattern layer on a water-soluble film, forming an activator layer on the pattern layer, activating a coating of the pattern layer, contacting the article with the activator layer and pressing the article into water, thereby transferring the pattern layer to the surface of the article, curing and adhering the pattern layer and the activator layer to the article by ultraviolet light or heat, and removing the water-soluble film to obtain the article with the pattern transferred thereon. For example, the hydraulic transfer method described in chinese patent CN101909901B is to obtain a hydraulic transfer product with a concave-convex touch by setting the surface tension of an activator.
However, the above-mentioned hydraulic transfer method for imparting a concave-convex touch usually requires strict control of the amount range of the leveling agent to avoid the problem of causing difficulty in penetration of the activating agent into the pattern layer or too low cohesive force thereof. In addition, the above-mentioned hydraulic transfer method produces a three-dimensional unevenness only about 2 to 10 μm in thickness.
Disclosure of Invention
The object of the present invention is to provide a hydraulic transfer method for producing reliefs which overcomes the drawbacks of the background art described above.
The hydraulic transfer method for producing a relief according to the present invention comprises the steps of: (a) forming a pattern layer on the water-soluble film by using ultraviolet light curable ink, wherein the pattern layer comprises at least two spaced pattern areas; (b) forming an ultraviolet light curable activator layer on the pattern layer to obtain a hydraulic transfer film structure, wherein the activator layer is positioned above the water-soluble film and the pattern layer and filled between two spaced pattern areas, at least part of the activator layer penetrates into the pattern layer to be mutually soluble with the pattern layer, the activator layer comprises a hydrophilic acrylate monomer and a hydrophobic acrylate monomer, and the specific gravity of the activator layer is more than 1.00 and not more than 1.25; (c) placing the water-soluble film of the hydraulic transfer film structure on a water surface to soften the water-soluble film, and simultaneously enabling the activating agent layer to concentrate and sink between the two spaced pattern areas to extrude the water-soluble film, so that the bottom surface of the activating agent layer filled between the two spaced pattern areas is lower than the bottom surface of the pattern layer, and thus obtaining the softened hydraulic transfer film structure; and (d) contacting the article with the activator layer of the softened water pressure transfer film structure and pressing the water-soluble film of the softened water pressure transfer film structure into water, so that the softened water pressure transfer film structure covers the surface of the article.
The invention has the beneficial effects that: the hydraulic transfer printing method for generating the wale does not need to use a leveling agent, and a transfer printing film structure with the wale can be obtained.
The present invention will be described in detail below:
preferably, the activator layer is free of leveling agents (leveling agents). More specifically, the leveling agent refers to a polysiloxane (polysiloxane) type leveling agent or a polyacrylate (polyacrylate) type leveling agent.
Preferably, the hydrophilic acrylate monomer is selected from the group consisting of ethoxylated trimethylolpropane triacrylate (EO-TMPTA), ethoxylated bisphenol a dimethacrylate (EO-BPADMA), ethoxylated 3-methyl-1, 5-pentanediol diacrylate (ethoxylated 3-methyl-1, 5-pentanediacrylate, EO-MPDDA), ethoxylated pentaerythritol tetraacrylate (ethoxylated pentaerythrityl tetraacrylate), or combinations thereof. In a specific embodiment of the present invention, the hydrophilic acrylate monomer is triethoxylated trimethylolpropane triacrylate (EO 3-TMPTA).
Preferably, the hydrophobic acrylate monomer is selected from the group consisting of propoxylated neopentylglycol diacrylate (PO-NPGDA), propoxylated glyceryl triacrylate (PO-GTA), propoxylated trimethylolpropane triacrylate (PO-TMPTA), propoxylated pentaerythritol tetraacrylate (propoxylated pentaerythrityl tetraacrylate), or combinations thereof. In a specific embodiment of the invention, the hydrophobic acrylate monomer is a dipropoxylated neopentyl glycol diacrylate (PO 2-NPGDA).
Preferably, the weight ratio of the hydrophilic acrylate monomer to the hydrophobic acrylate monomer ranges from 2: 1-3: 1.
preferably, in the step (c), the bottom surface of the activator layer filled between the two spaced pattern regions is at least 20 μm lower than the bottom surface of the pattern layer.
Preferably, the thickness of the pattern layer ranges from 0.5 to 5 μm. More preferably, the thickness of the pattern layer ranges from 1 to 2.5 μm.
Preferably, the water-soluble film has a thickness in the range of 25 to 45 μm.
Preferably, after the step (d), a step (e) of irradiating the softened water pressure transfer film structure with ultraviolet light is further included to cure the pattern layer and the activator layer. More preferably, after the step (e), a step (f) of removing the water-soluble film is further included.
Drawings
Other features and effects of the present invention will be apparent from the embodiments with reference to the accompanying drawings, in which:
FIG. 1 is a fragmentary, schematic cross-sectional view of an embodiment of a hydraulic transfer method for creating a relief according to the present invention, illustrating step (a) of the embodiment;
FIG. 2 is a fragmentary cross-sectional schematic view of the embodiment illustrating step (b) of the embodiment;
FIG. 3 is a fragmentary cross-sectional schematic view of the embodiment illustrating step (c) of the embodiment;
FIG. 4 is a fragmentary cross-sectional schematic view of the embodiment illustrating step (d) of the embodiment;
FIG. 5 is a fragmentary cross-sectional schematic view of the embodiment illustrating step (e) of the embodiment;
and
FIG. 6 is a fragmentary cross-sectional schematic view of the embodiment illustrating step (f) of the embodiment.
Detailed Description
Before the present invention is described in detail, it should be noted that in the following description, like elements are represented by like reference numerals.
The invention will be further described in the following examples, but it should be understood that these examples are for illustrative purposes only and should not be construed as limiting the practice of the invention.
An embodiment of the present invention for a hydraulic transfer method for creating a relief, comprises the steps of:
step (a), referring to fig. 1, a pattern layer 2 is formed on a water-soluble film 1 with a uv curable ink, the pattern layer 2 including at least two spaced pattern areas 21. In this embodiment, the thickness of the pattern layer 2 is 2 μm, and the thickness of the water-soluble film 1 is 40 μm.
Step (b), referring to fig. 2, an ultraviolet light curable activator layer 3 is formed on the pattern layer 2 to obtain a hydraulic transfer film structure, wherein the activator layer 3 is located above the water-soluble film 1 and the pattern layer 2 and filled between two spaced pattern areas 21. The activator layer 3 at least partially penetrated into the pattern layer 2 to be miscible with the pattern layer 2, and included triethoxylated trimethylolpropane triacrylate (EO3-TMPTA) and dipropoxylated neopentyl glycol diacrylate (PO2-NPGDA) (weight ratio 2: 1), and the activator layer 3 had a specific gravity of 1.14.
Step (c), referring to fig. 3, the water-soluble film 1 of the hydraulic transfer film structure is placed on the water surface to soften the water-soluble film 1, and at the same time, the activator layer 3 is concentrated and sunk between the two spaced pattern areas 21 to press the water-soluble film 1, so that the bottom surface of the activator layer 3 filled between the two spaced pattern areas 21 is lower than the bottom surface of the pattern layer 2, thereby obtaining the softened hydraulic transfer film structure. In the present embodiment, the bottom surface of the activator layer 3 filled between two spaced pattern regions 21 is 20 μm lower than the bottom surface of the pattern layer 2.
Step (d), referring to fig. 4, an article 4 is contacted with the activator layer 3 of the softened hydraulic transfer film structure and the water-soluble film 1 of the softened hydraulic transfer film structure is pressed into water, so that the softened hydraulic transfer film structure covers the surface of the article 4.
Step (e), referring to fig. 5, the softened hydraulic transfer film structure is irradiated by ultraviolet light to cure the pattern layer 2 and the activator layer 3. At this time, the activator layer 3 is in a microphase separation (microphase separation) state. That is, at the micro (microscopic scale) or meso (meso scale), the repeating units formed by EO3-TMPTA are phase separated from the repeating units formed by PO2-NPGDA, but at the macro (macroscopic scale), both repeating units do not make the activator layer 3 in a layered state.
In step (f), referring to fig. 6, the water-soluble film 1 is removed to obtain a transfer film structure with a relief pattern tightly covering the surface of the object 4.
In summary, the hydraulic pressure transfer printing method for generating a relief pattern according to the present invention uses the activator layer 3 including the hydrophilic acrylate monomer and the hydrophobic acrylate monomer, without using a leveling agent, to concentrate and sink the activator layer 3 between the two spaced pattern regions 21 to press the water-soluble film 1, so that the bottom surface of the activator layer 3 filled between the two spaced pattern regions 21 is lower than the bottom surface of the pattern layer 2, so as to obtain the transfer printing film structure tightly covering the surface of the object 4 and having the relief pattern, thereby achieving the objective of the present invention.
The above description is only an example of the present invention, and the scope of the present invention should not be limited thereby, and the invention is still within the scope of the present invention by simple equivalent changes and modifications made according to the claims and the contents of the specification.
Claims (8)
1. A hydraulic transfer method for producing a relief, comprising the steps of:
(a) forming a pattern layer on the water-soluble film by using ultraviolet light curable ink, wherein the pattern layer comprises at least two spaced pattern areas;
(b) forming an ultraviolet light curable activator layer on the pattern layer to obtain a hydraulic transfer film structure, wherein the activator layer is located above the water-soluble film and the pattern layer and filled between two spaced pattern areas, the activator layer at least partially penetrates into the pattern layer to be mutually soluble with the pattern layer, the activator layer comprises a hydrophilic acrylate monomer and a hydrophobic acrylate monomer, the specific gravity of the activator layer is greater than 1.00 and not greater than 1.25, the hydrophilic acrylate monomer is selected from ethoxylated trimethylolpropane triacrylate, ethoxylated bisphenol A dimethacrylate, ethoxylated 3-methyl-1, 5-pentanediol diacrylate, ethoxylated pentaerythritol tetraacrylate or a combination thereof, and the hydrophobic acrylate monomer is selected from propoxylated neopentyl glycol diacrylate, propoxylated glycerol triacrylate, Propoxylated trimethylolpropane triacrylate, propoxylated pentaerythritol tetraacrylate, or combinations thereof;
(c) placing the water-soluble film of the hydraulic transfer film structure on a water surface to soften the water-soluble film, and simultaneously enabling the activating agent layer to concentrate and sink between the two spaced pattern areas to extrude the water-soluble film, so that the bottom surface of the activating agent layer filled between the two spaced pattern areas is lower than the bottom surface of the pattern layer, and thus obtaining the softened hydraulic transfer film structure; and
(d) contacting an article with the activator layer of the softened hydraulic transfer film structure and pressing the water-soluble film of the softened hydraulic transfer film structure into water to cover the softened hydraulic transfer film structure on the surface of the article.
2. The hydraulic transfer method for producing a relief according to claim 1, wherein: the activator layer does not contain a leveling agent.
3. The hydraulic transfer method for producing a relief according to claim 1, wherein: the weight ratio range of the hydrophilic acrylate monomer to the hydrophobic acrylate monomer is 2: 1-3: 1.
4. the hydraulic transfer method for producing a relief according to claim 1, wherein: in the step (c), the bottom surface of the activator layer filled between the two spaced pattern regions is lower than the bottom surface of the pattern layer by at least 20 μm.
5. The hydraulic transfer method for producing a relief according to claim 1, wherein: the thickness of the pattern layer is in the range of 0.5-5 μm.
6. The hydraulic transfer method for producing a relief according to claim 1, wherein: the water-soluble film has a thickness in the range of 25 to 45 μm.
7. The hydraulic transfer method for producing a relief according to claim 1, wherein: after the step (d), a step (e) of irradiating the softened water pressure transfer film structure with ultraviolet light is further included to cure the pattern layer and the activator layer.
8. The hydraulic transfer method for producing a relief according to claim 7, wherein: after the step (e), a step (f) of removing the water-soluble film is further included.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910414067.2A CN111942071B (en) | 2019-05-17 | 2019-05-17 | Hydraulic transfer method for producing relief |
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| CN201910414067.2A CN111942071B (en) | 2019-05-17 | 2019-05-17 | Hydraulic transfer method for producing relief |
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| CN111942071A CN111942071A (en) | 2020-11-17 |
| CN111942071B true CN111942071B (en) | 2021-11-30 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP5242990B2 (en) * | 2007-10-25 | 2013-07-24 | 株式会社タイカ | Water pressure transfer method, water pressure transfer film and water pressure transfer product |
| WO2012017530A1 (en) * | 2010-08-04 | 2012-02-09 | 旭硝子株式会社 | Photocurable composition and method for producing molded body having surface that is provided with fine pattern |
| TWI552887B (en) * | 2014-06-12 | 2016-10-11 | Daigin Chemical Co Ltd | Water pressure transfer method and transfer film structure |
| TWI589459B (en) * | 2014-09-26 | 2017-07-01 | Daigin Chemical Co Ltd | Water pressure transfer method for producing relief touch |
| JP2018167422A (en) * | 2017-03-29 | 2018-11-01 | 株式会社タイカ | Solid molded decoration body and manufacturing method therefor |
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