CN209869776U - Laser induction color-changing heat transfer film - Google Patents
Laser induction color-changing heat transfer film Download PDFInfo
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- CN209869776U CN209869776U CN201920354506.0U CN201920354506U CN209869776U CN 209869776 U CN209869776 U CN 209869776U CN 201920354506 U CN201920354506 U CN 201920354506U CN 209869776 U CN209869776 U CN 209869776U
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Abstract
The utility model relates to a laser response heat-transfer seal membrane that discolours, laser response heat-transfer seal membrane that discolours includes substrate thin layer (1), from type layer (2), printing ink pattern layer (3), laser response printing ink layer (4) and glue layer (5), sets up in the lower surface of substrate thin layer (1) from type layer (2), printing ink pattern layer (3) set up in the lower surface from type layer (2), and laser response printing ink layer (4) only cover the local part on printing ink pattern layer (3), and laser response printing ink layer (4) set up at the lower surface or the upper surface on printing ink pattern layer (3), and glue layer (5) cover whole substrate thin layer (1), glue layer (5) set up the outmost at laser response heat-transfer seal membrane that discolours. Adopt heat-transfer die, can have partial picture information or pattern to change or under the condition that discolours at the client, need not make the printing plate again, guarantee the productivity and reduce cost by a wide margin simultaneously again.
Description
Technical Field
The utility model relates to a heat-transfer die technical field especially relates to a laser-induced discoloration heat-transfer die.
Background
The thermal transfer printing decoration process is a process of transferring the decoration pattern on the thermal transfer printing to the surface of the decorated building material through one-time heating of the thermal transfer printing film to form a high-quality decoration film. In the process of thermal transfer printing, the protective layer and the pattern layer are separated from the polyester substrate by utilizing the combined action of heat and pressure, so that the whole decorative layer is permanently glued with the substrate. The heat transfer film is made of PET polyester film as lining paper and printed with a decorative layer. The surface is coated with a protective layer, a bottom color layer, a stripping layer and a hot melt adhesive layer.
Chinese patent publication No. CN207140590U discloses a thermal transfer film, which includes: the ink-absorbing layer comprises a base material layer, a back coating layer, an ink absorbing layer, an auxiliary permeation layer and a thermal sublimation layer; the substrate layer has a front side and a back side; the back coating layer is arranged on the back surface of the base material layer; the ink absorption layer is arranged on the front surface of the base material layer; the auxiliary permeation layer is arranged on the ink absorption layer; the thermal sublimation layer is arranged on the auxiliary permeation layer. The thermal transfer film has a relative permeability that facilitates transfer of the ink. The heat transfer film adopting the structure has good pattern quality, but the applicable product is very single, and the heat transfer film is only suitable for producing mass popular products.
The current chinese patent publication No. CN206170911U discloses a digital printing heat transfer film, which includes a printing surface material layer, a release layer, a wear-resistant protective layer, a digital adhesive layer, a digital printing coloring layer and a glue layer, wherein the release layer is disposed under the printing surface material layer, the wear-resistant protective layer is disposed under the release layer, the digital adhesive layer is disposed under the wear-resistant protective layer, the digital printing coloring layer is disposed under the digital adhesive layer, and the glue layer is disposed under the digital printing coloring layer; the wear-resistant protective layer is a wear-resistant protective layer with roughness. Although the pattern of the heat transfer film adopting the structure is variable, the application product is relatively wide, compared with the traditional heat transfer film, the pure digital heat transfer film has smaller capacity and higher market price, and is only suitable for producing small-batch individualized products.
The current technology is obviously very popular in order to make the partial pattern on the heat transfer film changeable or discolored at lower cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem of proposing among the above-mentioned background problem, provide one kind and have partial picture information or pattern to change or under the condition that discolours at the customer, need not make the printing plate again, reduce cost's heat-transfer die by a wide margin.
In order to achieve the above object, the utility model provides a laser response heat-transfer seal membrane that discolours, laser response heat-transfer seal membrane that discolours includes the substrate thin layer, from the type layer, printing ink pattern layer, laser response printing ink layer and glue layer, set up in the lower surface from the type layer, printing ink pattern layer sets up in the lower surface from the type layer, laser response printing ink layer only covers the local part on printing ink pattern layer, laser response printing ink layer sets up lower surface or the upper surface on printing ink pattern layer, glue layer covers whole substrate thin layer, glue layer sets up the outmost at laser response heat-transfer seal membrane that discolours.
The laser induction ink layer is one or more layers.
The material of the laser sensing ink layer is ink added with laser sensing materials.
The base material film layer is made of PET.
The thickness of the release layer is 2-5 μm, and the release layer is coated by adopting gravure printing equipment.
The ink pattern layer is printed by adopting a gravure printing method.
The glue used in the glue layer is hot melt glue.
The laser induction ink layer is printed by adopting a gravure printing method.
Compared with the prior art, the utility model has the advantages of it is following:
the heat-transfer die, can have under the condition that partial picture and text information or pattern need change at the customer, need not make the printing plate again, when guaranteeing the productivity, compare pure digital printing and reduce cost by a wide margin.
Drawings
Fig. 1 is a schematic structural view of a laser-induced color-changing thermal transfer film according to the present invention.
Fig. 2 is a schematic structural view of another embodiment of the laser induced color-changing thermal transfer film according to the present invention.
Fig. 3 is a schematic structural view of another embodiment of the laser-induced color-changing thermal transfer film according to the present invention.
Fig. 4 is a schematic structural view of another embodiment of the laser-induced color-changing thermal transfer film of the present invention.
Wherein:
1. a substrate film layer; 2. a release layer; 3. a printing ink pattern layer; 4. the laser induction ink layer; 5. and (6) a glue layer.
Detailed description of the preferred embodiments
The invention is described below with reference to the accompanying drawings and specific embodiments:
as shown in fig. 1, the utility model discloses a laser-induced color-changing heat transfer film, it includes substrate film layer 1, release layer 2, printing ink pattern layer 3, laser-induced printing ink layer 4 and glue layer 5, release layer 2 sets up in the lower surface of substrate film layer 1, the material of substrate film layer 1 is PET, and its tensile strength is high, and thermal stability is good, the heat shrinkage factor is low, and the surface is level and smooth, the stripping nature is good, can retrieve, when guaranteeing higher picture quality, reduce cost, release layer 2 is convenient for PET substrate film layer 1 complete and quick and with the separation of rendition goods after the heating simultaneously; the printing ink pattern layer 3 is arranged on the lower surface of the release layer 2, the laser sensing printing ink layer 4 only covers the local part of the printing ink pattern layer 3, the laser sensing printing ink layer 4 is arranged on the lower surface or the upper surface of the printing ink pattern layer 3, the glue layer 5 covers the whole substrate thin film layer 1, and the glue layer 5 is arranged on the outermost layer of the laser sensing color-changing heat transfer film. The glue layer 5 is made of hot melt adhesive, the connecting layer 4 and the first ink pattern layer 5 are separated from the substrate film layer 1 under the combined action of heat and pressure in the heat transfer process, and the whole decoration layer can be permanently glued with the substrate through the hot melt adhesive.
The material of the laser-induced ink layer 4 is ink added with laser-induced materials.
The thickness of the release layer 2 is 2-5 μm, and the release layer 2 is coated by adopting gravure printing equipment.
The ink pattern layer 3 is printed by gravure printing.
The laser induction ink layer 4 is printed by adopting a gravure printing method.
In this embodiment, the utility model discloses a laser-induced discoloration heat transfer film, its process flow is as follows in production:
1. selecting a base material film layer 1 as a PET film, unreeling and setting a drying temperature;
2. the release layer is coated by gravure printing equipment, the coating thickness of the release layer is controlled to be about 2-5 mu m, and the release layer cannot be too thick or too thin, the release layer can easily fall off from the substrate film due to too thick coating, and the printing layer cannot be completely transferred during thermal transfer printing due to too thin coating;
3. coating the ink pattern layer 3 using a gravure printing apparatus;
4. coating the laser induction ink layer 4 by using a gravure printing device;
5. and (3) coating the glue layer 5 by using a gravure printing device, and coating the glue layer under the condition that the printing layer is completely dried in order to prevent the pictures and texts of the printing layer from being damaged by using hot melt glue. The glue layer can be directly coated on the last color group of the gravure printing machine;
drying the PET film;
7. leading the pattern into a carbon dioxide laser through a pattern generating terminal, and enabling the laser sensing ink layer 4 to generate change reaction through laser with a specific waveband;
8. and (6) rolling and cutting.
As shown in fig. 2, in another embodiment, the laser-sensitive ink layer 4 is disposed on the lower surface of the ink pattern layer 3, and the laser-sensitive ink layer 4 is plural.
In another embodiment, as shown in fig. 3, the laser-sensitive ink layer 4 is disposed on the upper surface of the ink pattern layer 3, and there is one laser-sensitive ink layer 4.
In this embodiment, the utility model discloses a laser-induced discoloration heat transfer film, its process flow is as follows in production:
1. the material of the substrate film layer 1 is selected to be a PET film, and the PET film is unreeled and set to be a drying temperature.
2. The release layer is coated by gravure printing equipment, the coating thickness of the release layer is controlled to be about 2-5 mu m, the release layer cannot be too thick or too thin, the release layer can easily fall off from the substrate film due to too thick coating, and the printing layer cannot be completely transferred during thermal transfer printing due to too thin coating.
3. The laser-induced ink layer 4 is applied using a gravure printing apparatus.
4. The ink pattern layer 3 is applied using a gravure printing apparatus.
5. And (3) coating the glue layer 5 by using a gravure printing device, and coating the glue layer under the condition that the printing layer is completely dried in order to prevent the pictures and texts of the printing layer from being damaged by using hot melt glue. The glue layer can be applied directly on the last color set of the gravure printing press.
And 6, drying the PET film.
7. And introducing the pattern into a carbon dioxide laser through a pattern generating terminal, and enabling the laser sensing ink layer 4 to generate a change reaction through laser with a specific waveband.
8. And (6) rolling and cutting.
As shown in fig. 4, in another embodiment, the laser-sensitive ink layer 4 is disposed on the upper surface of the ink pattern layer 3, and the laser-sensitive ink layers 4 are plural.
Adopt a laser response heat-transfer die that discolours, not only can maintain the higher productivity of traditional heat-transfer die, keep production efficiency, have partial pattern information (two-dimensional code, bar code, name pattern etc.) or colour at the customer simultaneously and need not make the template again under the condition that changes, practiced thrift manufacturing cost in the very big degree.
In addition to the above embodiments, the present invention also includes other embodiments, and all technical solutions formed by equivalent transformation or equivalent replacement should fall within the protection scope of the claims of the present invention.
Claims (8)
1. The utility model provides a laser response heat-transfer die that discolours which characterized in that: the laser-induced color-changing heat transfer film comprises a substrate thin film layer (1), a release layer (2), an ink pattern layer (3), a laser-induced ink layer (4) and a glue layer (5), wherein the release layer (2) is arranged on the lower surface of the substrate thin film layer (1), the ink pattern layer (3) is arranged on the lower surface of the release layer (2), the laser-induced ink layer (4) only covers the local part of the ink pattern layer (3), the laser-induced ink layer (4) is arranged on the lower surface or the upper surface of the ink pattern layer (3), the glue layer (5) covers the whole substrate thin film layer (1), and the glue layer (5) is arranged on the outermost layer of the laser-induced color-changing heat transfer film.
2. The laser induced discoloration heat transfer film according to claim 1, wherein: the laser induction ink layer (4) is one or more layers.
3. The laser induced discoloration heat transfer film according to claim 2, wherein: the material of the laser sensing ink layer (4) is ink added with laser sensing materials.
4. The laser induced discoloration heat transfer film according to claim 1, wherein: the base material film layer (1) is made of PET.
5. The laser induced discoloration heat transfer film according to claim 1, wherein: the thickness of the release layer (2) is 2-5 mu m, and the release layer (2) is coated by adopting gravure printing equipment.
6. The laser induced discoloration heat transfer film according to claim 1, wherein: the ink pattern layer (3) is printed by adopting a gravure printing method.
7. The laser induced discoloration heat transfer film according to claim 1, wherein: the glue used in the glue layer (5) is hot melt glue.
8. The laser induced discoloration heat transfer film according to claim 3, wherein: the laser induction ink layer (4) is printed by adopting a gravure printing method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920354506.0U CN209869776U (en) | 2019-03-20 | 2019-03-20 | Laser induction color-changing heat transfer film |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920354506.0U CN209869776U (en) | 2019-03-20 | 2019-03-20 | Laser induction color-changing heat transfer film |
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| Publication Number | Publication Date |
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| CN209869776U true CN209869776U (en) | 2019-12-31 |
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| CN201920354506.0U Active CN209869776U (en) | 2019-03-20 | 2019-03-20 | Laser induction color-changing heat transfer film |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113665235A (en) * | 2021-08-19 | 2021-11-19 | 苏州凌际纺织科技有限公司 | Non-glue-feeling permeation type nano printing process |
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2019
- 2019-03-20 CN CN201920354506.0U patent/CN209869776U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113665235A (en) * | 2021-08-19 | 2021-11-19 | 苏州凌际纺织科技有限公司 | Non-glue-feeling permeation type nano printing process |
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