TW201545906A - Water pressure transfer method, water pressure transfer film structure and transfer film structure - Google Patents

Abstract

A water pressure transfer method includes: (a) forming a sacrificial layer on a water-soluble film substrate; (b) forming a first hologram pattern on the sacrificial layer; (c) covering a pattern pre-forming layer on the sacrificial layer, so as to form a second hologram pattern on an interface between the pattern pre-forming layer and the sacrificial layer, wherein the pattern pre-forming layer includes at least one water-soluble first region and at least one oil-soluble second region; (d) forming an oil-soluble fixed layer on the pattern pre-forming layer; (e) forming an activator layer on the oil-soluble fixed layer to obtain a water pressure transfer film structure; and (f) enabling an object to contact the activator layer and pressing the water-soluble film substrate of the water pressure transfer film structure into water. The water pressure transfer method of the present invention can form an uneven three-dimensional structure having a local hologram pattern on the curved surface of an object.

Description

Hydraulic pressure transfer method, hydraulic transfer film structure and transfer film structure

The present invention relates to a hydraulic transfer method, and more particularly to a hydraulic transfer method for forming a hologram on a sacrificial layer.

At present, it is conventional to form a holographic pattern on an object to form a holographic pattern layer at a time. It is difficult to achieve a visual representation of a partial hologram pattern and a pattern pattern according to the desired design of the object, or even a partial bump contact. Free choice of sense, leather touch and contrast between light and dark.

Referring to FIG. 1 to FIG. 8 , the Republic of China Patent No. M347288 discloses a method for manufacturing a card having a laser texture structure, in which a first UV adhesive layer 114 is coated on a surface of a plastic substrate 112, and a microstructured laser is preliminarily disposed. The mother film 113 of the pattern 115 is embossed on the first UV adhesive layer 114, and then cured by the ultraviolet light 117 to cure the first UV adhesive layer 114, followed by coating a second UV adhesive layer 116, and then vacuum sputtering. An electroplated layer 118 is finally coated with a transfer layer 120 to produce the card 110 having a laser textured structure.

However, the holographic pattern produced by the above method is still a full-face type graphic, and the pattern selection cannot be designed as a holographic pattern to be partially presented; Moreover, since the embossing requires a flat and firm plastic substrate 112 (such as PET or PVC), it is difficult to form a three-dimensional pattern having a partial hologram pattern and a concave-convex structure on the curved surface of a general object. In addition, the above method requires curing and shaping the UV adhesive layer 114 through the ultraviolet light 117 to ensure that the laser grain is not deformed.

Accordingly, a first object of the present invention is to provide a water pressure transfer method capable of forming a three-dimensional pattern having both a hologram pattern and a concave-convex structure on a non-planar object.

Thus, the hydraulic transfer method of the present invention comprises the steps of: (a) forming a sacrificial layer formed of a water-soluble paint on a water-soluble film substrate; and (b) forming a first hologram pattern on the sacrificial layer. (c) covering the sacrificial layer having the holographic pattern with a pattern pre-formed layer formed of a coating material such that the pattern pre-formed layer forms a first holographic pattern on the contact surface with the sacrificial layer Corresponding second hologram pattern, the pattern pre-formed layer comprising at least one water soluble first region and at least one oil soluble second region, the second region defining a pattern layer; (d) forming an oil soluble fixation a layer, the oil-soluble fixed layer is above the pattern pre-formed layer; (e) forming a curable activator layer on the oil-soluble fixed layer to obtain a water-pressure transfer film structure; and (f) An object contacting the activator layer of the hydraulic transfer film structure and pressing the water-soluble film substrate of the hydraulic transfer film structure into water The hydraulic transfer film structure covers the surface of the article.

Therefore, a second object of the present invention is to provide a water-pressure transfer film structure having a holographic pattern comprising a water-soluble film, a sacrificial layer formed on the water-soluble film substrate and formed of a water-soluble paint. a patterned pre-formed layer formed on the sacrificial layer and formed of a coating material, an oil-soluble fixed layer above the patterned layer, and an activator layer formed on the oil-soluble fixed layer and curable. Wherein the pattern pre-formed layer comprises at least one first region formed of a water-soluble paint and at least one second region formed of an oil-soluble paint, the second region defining a pattern layer, and the sacrificial layer is pre-formed with the pattern Each layer has a corresponding holographic pattern.

Accordingly, a third object of the present invention is to provide a transfer film structure having a holographic pattern covering a surface of an article, the transfer film structure comprising: a cured coating overlying the surface of the article The agent layer, an oil-soluble fixed layer covering the activator layer, and a pattern layer partially covered by the oil-soluble fixed layer and formed of an oil-soluble paint. Wherein the activator layer contains a cured activator. The pattern layer protrudes outward from the oil-soluble fixed layer to form at least one groove between the oil-soluble fixed layer and the pattern layer, thereby producing an appearance having a three-dimensional pattern, and the surface of the pattern layer has a A hologram pattern.

Accordingly, a fourth object of the present invention is to provide a transfer film structure having a holographic pattern covering a surface of an article, the transfer film structure comprising: a cured layer overlying the surface of the article The agent layer, an oil-soluble fixed layer covering the activator layer, and a pattern layer partially covered by the oil-soluble fixed layer and formed of an oil-soluble paint. Among them, the The oil-soluble fixed layer comprises a first surface and a second surface opposite to the first surface and in contact with the activator layer, the second surface having a holographic pattern. The activator layer contains a cured activator. The pattern layer protrudes outward from the oil-soluble fixed layer to form at least one groove between the oil-soluble fixed layer and the pattern layer, thereby producing an appearance having a three-dimensional pattern.

The effect of the present invention is to form the second holographic pattern simultaneously by forming the first hologram pattern on the sacrificial layer, or by forming the pattern pre-formed layer; or by using the oil-soluble fixed layer The holographic pattern is formed on the two surfaces, and after hydraulic transfer, solidification, and water washing with a water pressure transfer method, the appearance of the partial hologram pattern and the appearance of the concave and convex solid structure can be formed on the non-planar object.

The content of the sacrificial layer may be selected from the following: Preferably, the material of the sacrificial layer may be selected from, but not limited to, self-drying water-soluble paint WS-T01 or UV-curable water-soluble paint commercially available from Daqin Chemical Co., Ltd. WS-U01.

Preferably, the second hologram pattern is at least partially formed on the pattern layer.

Preferably, the activator layer is at least partially infiltrated through the oil-soluble fixed layer into the pattern pre-formed layer and the sacrificial layer to cause miscibility with the pattern pre-formed layer and the sacrificial layer.

Preferably, the material of the activator layer is an activator containing heat curable or radiation curable. More preferably, the material of the activator layer is an activator which is curable by ultraviolet light. The activator may be selected from, but not limited to, UVAU-A01, UVAU-F01 or commercially available from Daqin Chemical Co., Ltd. UVAU-C01.

Preferably, the activator is used in an amount of from 5 to 50 g/m ² .

Preferably, after the step (f), the step (g) of irradiating the water-pressure transfer film structure via ultraviolet light is further included. More preferably, after the step (g), a step (h) of removing the water-soluble film substrate, the sacrificial layer and the first region via water washing is further included.

Preferably, after the step (b) and before the step (c), a step (i) of forming a metal layer on the sacrificial layer having the holographic pattern is further included.

Preferably, the holographic pattern of the hydraulic transfer film structure of the present invention is formed at the interface of the sacrificial layer and the pattern pre-formed layer.

Preferably, the holographic pattern is formed on the undried sacrificial layer by means of a mother film or a pressure roller. After the hologram pattern is formed, it is possible to selectively cure and shape by UV irradiation, and then perform film removal.

Preferably, the hydraulic transfer film structure further comprises a decorative layer between the pattern layer and the oil-soluble fixed layer. More preferably, the decorative layer is formed by applying a decorative coating to the patterned layer, and the activator layer is at least partially infiltrated through the decorative layer.

Preferably, the hydraulic transfer film structure further comprises a metal layer formed on the holographic pattern of the sacrificial layer.

Preferably, the patterned layer of the transfer film structure of the present invention contains the cured activator.

Preferably, the transfer film structure of the present invention further comprises a metal layer covering the surface of the pattern layer.

Preferably, the oil-soluble coating material of the present invention may be selected from, but not limited to, SHC-UA01, SPI-UC01, SPI-UF01 or SPI-L-US01 commercially available from Daqin Chemicals Co., Ltd. More preferably, the oil-soluble coating of the present invention contains a plurality of micron-sized powder particles, fluff powder, wax, matting powder or a combination thereof.

Preferably, the water-soluble paint in the present invention may be selected from, but not limited to, WHC-A01, WHPI-C01 or WHPI-F01 commercially available from Daqin Chemicals Co., Ltd. More preferably, the water-soluble paint of the present invention contains a plurality of micron-sized powder particles.

Preferably, the coating method of the sacrificial layer, the oil-soluble fixing layer and the activator layer in the present invention may be selected from, but not limited to, a printing method, a spray coating method or a roll coating method. In a preferred embodiment of the present invention, the coating method of the sacrificial layer is reverse coating (micro gravure coating), and the coating method of the oil-soluble fixing layer is a gravure printing method, and the coating method of the activator layer It is a roll coating method.

Preferably, the coating method of the pattern pre-forming layer in the present invention may be selected from a gravure printing method or a screen printing method.

Preferably, the metal layer in the present invention is formed by physical vapor deposition (PVD). In a preferred embodiment of the invention, the metal layer is formed by vacuum evaporation.

Preferably, the article is a non-planar plastic article, metal article or glass article. More preferably, the plastic article may be an ABS article or a PC article; the metal article may be a magnesium alloy.

110‧‧‧Card with laser structure

112‧‧‧Plastic substrate

113‧‧‧ mother film

114‧‧‧First UV adhesive layer

115‧‧‧Microstructured laser grain

116‧‧‧Second UV glue layer

117‧‧‧ ultraviolet light

118‧‧‧Electroplating

120‧‧‧Transfer layer

20‧‧‧Water-soluble film substrate

21‧‧‧ sacrificial layer

22‧‧‧pattern layer

22'‧‧‧ pattern pre-formed layer

221‧‧‧First District

222‧‧‧Second District

23‧‧‧ Oil-soluble fixed layer

231‧‧‧ first surface

232‧‧‧ second surface

24‧‧‧activator layer

25‧‧‧ Groove

3‧‧‧All-image pattern

31‧‧‧First hologram

32‧‧‧Second hologram

4‧‧‧ objects

5‧‧‧ water

6‧‧‧UV light

Other features and effects of the present invention will be described with reference to the drawings. 1 to 8 are schematic cross-sectional views showing a conventional method for manufacturing a card having a laser texture structure; and FIGS. 9 to 16 are schematic cross-sectional views showing the first embodiment of the hydraulic pressure transfer method of the present invention. BEST MODE FOR CARRYING OUT THE INVENTION Fig. 17 is a schematic cross-sectional view showing a second preferred embodiment of the structure of the transfer film of the present invention.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same reference numerals.

The present invention will be further illustrated by the following examples, but it should be understood that this embodiment is intended to be illustrative only and not to be construed as limiting.

<Example>

[Hydraulic transfer film structure]

The first preferred embodiment of the hydraulic transfer method of the present invention comprises the steps of: step (a), referring to Figs. 9 to 10, forming a sacrificial layer 21 formed of a water-soluble paint on a water-soluble film substrate 20. .

In the step (b), a first hologram pattern 31 (see FIG. 10) is formed on the undried sacrificial layer 21 through the mother film, and then the film is removed.

In step (i), a metal layer (not shown) is formed on the sacrificial layer 21 having the holographic pattern.

Step (c), see Figure 11, in the sacrifice of the hologram The layer 21 is covered with a pattern pre-formed layer 22' formed of a coating material such that the pattern pre-forming layer 22' forms a second corresponding to the first hologram pattern 31 on the contact surface with the sacrificial layer 21. The hologram pattern 32 includes at least one water soluble first region 221 and at least one oil soluble second region 222 defining a patterned layer 22.

Step (d), referring to Fig. 12, forms an oil-soluble fixed layer 23 which is positioned above the pattern pre-formed layer 22'.

Step (e), referring to Fig. 13, a curable activator layer 24 is formed on the oil-soluble fixed layer 23 to obtain a water-pressure transfer film structure 2.

In the preferred embodiment, the water-soluble film substrate 20 is a polyvinyl alcohol (PVA) film; the sacrificial layer 21 is coated on the water-soluble film substrate 20 by reverse coating (micro-gravure coating). The metal layer is an aluminum metal layer (having a thickness of about 100 to 200 Å) and is formed on the sacrificial layer 21 having the holographic pattern by vacuum evaporation; the pattern pre-formed layer 22' is gravure printed The method is formed on the sacrificial layer 21; the material of the sacrificial layer 21 is WS-T01; the water-soluble coating of the first region 221 is WHC-A01; the oil-soluble coating of the second region 222 is SPI-L-US01; The oil-soluble fixing layer 23 is formed by coating SPI-UC01 on the pattern pre-forming layer 22' by a gravure printing method; the activator layer 24 is coated with UVAU on the oil-soluble fixed layer 23 by roll coating. A01 activator (coating amount of 25 g/m ² ) was formed.

[Transfer film structure]

Step (f), referring to Figure 14, contacting a non-planar object 4 The activator layer 24 of the water-pressure transfer film structure 2, and the water-soluble film substrate 20 of the hydraulic transfer film structure 2 is pressed into the water 5, and the water-pressure transfer film structure 2 is covered on the object 4 s surface.

In the preferred embodiment, the article 4 is a glass bottle.

Next, the article 4 and the hydraulic transfer film structure 2 are taken out from the water 5, and step (g), referring to FIG. 15, the water-pressure transfer film structure 2 covering the surface of the article 4 is irradiated via ultraviolet light 6. The activator is cured. Step (h), removing the water-soluble film substrate 20 of the hydraulic transfer film structure 2, the sacrificial layer 21, the first region 221, and the metal layer in contact with the first region 221 via water washing (not shown) The second region 222 is formed into a pattern layer 22, and the metal layer in contact with the second region 222 is retained and overlaid on the surface of the pattern layer 22 to obtain a transfer covering the surface of the object 4. Membrane structure (see Figure 16). The pattern layer 22 protrudes outward from the oil-soluble fixed layer 23 to form at least one groove 25 between the oil-soluble fixed layer 23 and the pattern layer 22. The surface of the pattern layer 22 has the second hologram pattern 32.

a second preferred embodiment of the transfer film structure of the present invention, the process of which is similar to the first preferred embodiment of the above-described hydraulic transfer method, except that the above steps (b) and (i) are not performed; In the step (c), the holographic pattern is not formed on the contact surface of the pattern pre-formed layer 22' and the sacrificial layer 21; in the step (d), the oil-soluble fixed layer 23 includes a pattern and the pattern a first surface 231 contacting the pre-formed layer 22' and a second surface 232 opposite to the first surface 231, and then forming a holographic pattern 3 through the mother film on the second surface 232, after performing the stripping process, In the second surface having the hologram pattern Forming a metal layer on 232, and then performing the steps (e) to (h) in sequence, wherein the activator layer is at least partially infiltrated through the metal layer, and finally a transfer covering the surface of the object 4 is obtained. The film structure (see Figure 17) is utilized to create a visual effect through the partial holographic pattern of the groove 25 (not obscured by the pattern layer 22). Wherein, the metal layer remains on the second surface 232 (not shown).

In summary, the water pressure transfer method of the present invention forms the first hologram pattern 31 on the sacrificial layer 21, and the pattern pre-formed layer 22' including the first region 221 and the second region 222. Forming the second hologram pattern 32 at the same time; or forming the hologram pattern 3 on the second surface 232, and performing hydraulic transfer, curing, and water washing, forming a partial full portion on the object 4 The appearance of the pattern and the appearance of the concave-convex three-dimensional structure make it possible to achieve the object of the present invention.

The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, that is, the simple equivalent changes and modifications made by the patent application scope and patent specification content of the present invention, All remain within the scope of the invention patent.

22‧‧‧pattern layer

23‧‧‧ Oil-soluble fixed layer

24‧‧‧activator layer

25‧‧‧ Groove

32‧‧‧Second hologram

4‧‧‧ objects

Claims (15)

A hydraulic transfer method comprising the steps of: (a) forming a sacrificial layer formed of a water-soluble coating on a water-soluble film substrate; and (b) forming a first holographic pattern on the sacrificial layer; c) covering the sacrificial layer having the hologram pattern with a pattern pre-formed layer formed of a coating material such that the pattern pre-formed layer forms a contact surface with the sacrificial layer corresponding to the first holographic pattern a second holographic pattern comprising at least one water soluble first region and at least one oil soluble second region, the second region defining a patterned layer; (d) forming an oil soluble fixed layer, The oil-soluble fixed layer is above the pattern pre-formed layer; (e) forming a curable activator layer on the oil-soluble fixed layer to obtain a water-pressure transfer film structure; and (f) placing an object The activator layer of the hydraulic transfer film structure is contacted and the water-soluble film substrate of the hydraulic transfer film structure is pressed into water such that the hydraulic transfer film structure covers the surface of the article. The hydraulic transfer method of claim 1, wherein the second hologram pattern is at least partially formed on the pattern layer. The water pressure transfer method of claim 1, wherein the activator layer is at least partially infiltrated through the oil-soluble fixed layer into the pattern pre-formed layer and the sacrificial layer, and the pattern pre-formed layer and the sacrificial layer Produce mutual solubility. The water pressure transfer method according to claim 1, further comprising, after the step (f), a step (g) of irradiating the water-pressure transfer film structure via ultraviolet light. The water pressure transfer method according to claim 4, after the step (g), further comprising a step (h) of removing the water-soluble film substrate, the sacrificial layer and the first region via water washing. The water pressure transfer method according to claim 1, after the step (b) and before the step (c), further comprising a step of forming a metal layer on the sacrificial layer having the hologram pattern (i) . A hydraulic transfer film structure having a holographic pattern, comprising: a water-soluble film; a sacrificial layer formed on the water-soluble film substrate and formed of a water-soluble paint; a layer formed on the sacrificial layer and coated by the coating The formed pattern pre-formed layer comprises at least one first region formed of a water-soluble paint and at least one second region formed of an oil-soluble paint, the second region defining a pattern layer, and the sacrificial layer is pre-formed with the pattern The layers each have a corresponding holographic pattern; a single oil-soluble fixed layer above the patterned layer; and an activator layer formed on the oil-soluble fixed layer and curable. The hydraulic transfer film structure of claim 7, wherein the hologram pattern is formed on an interface of the sacrificial layer and the pattern pre-formed layer. The hydraulic transfer film structure of claim 7, wherein the activator layer is at least partially infiltrated through the oil-soluble fixed layer into the pattern pre-formed layer and the sacrificial layer to form a pre-formed layer and the sacrificial layer Layer generation Mutual solubility. The hydraulic transfer film structure according to claim 7, further comprising a decorative layer between the pattern layer and the oil-soluble fixed layer. The hydraulic transfer film structure of claim 7, further comprising a metal layer formed on the holographic pattern of the sacrificial layer. A transfer film structure having a holographic pattern covering a surface of an object, the transfer film structure comprising: a cured activator layer covering the surface of the object, containing a cured activator; An oil-soluble fixed layer on the activator layer; and a pattern layer partially covering the oil-soluble fixed layer and formed of an oil-soluble coating, the pattern layer protruding outward from the oil-soluble fixed layer to be in the oil solubility At least one groove is formed between the fixed layer and the pattern layer, thereby producing an appearance having a three-dimensional pattern, and the surface of the pattern layer has a holographic pattern. The transfer film structure of claim 12, wherein the pattern layer contains the cured activator. The transfer film structure of claim 12, further comprising a metal layer covering the surface of the pattern layer. A transfer film structure having a holographic pattern covering a surface of an object, the transfer film structure comprising: a cured activator layer covering the surface of the object, containing a cured activator; An oil-soluble fixed layer on the activator layer, including a first a surface and a second surface in contact with the first surface and in contact with the activator layer, the second surface having a holographic pattern; and a portion overlying the oil-soluble fixed layer and formed of an oil-soluble coating a pattern layer protruding outward from the oil-soluble fixed layer to form at least one groove between the oil-soluble fixed layer and the pattern layer, thereby producing an appearance having a three-dimensional pattern.