CN212046654U - Transfer printing film with touch effect and transfer printing film with touch and developing effects - Google Patents
Transfer printing film with touch effect and transfer printing film with touch and developing effects Download PDFInfo
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- CN212046654U CN212046654U CN201921584341.2U CN201921584341U CN212046654U CN 212046654 U CN212046654 U CN 212046654U CN 201921584341 U CN201921584341 U CN 201921584341U CN 212046654 U CN212046654 U CN 212046654U
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Abstract
The invention relates to the field of decorative films, in particular to a transfer film with a touch effect and a transfer film with touch and developing effects. One objective of the present invention is to provide a transfer film with touch and development effects. The transfer printing membrane comprises a release substrate layer, a release layer, a texture layer, a non-conductive coating layer, a bottom coating adhesion layer, a color layer and a transfer printing glue layer. The transfer film meets the forming performance, the decorative performance, the solvent resistance and the weather resistance of automobiles and household electrical appliances, and has touch control and developing effects.
Description
Technical Field
The invention relates to the technical field of In-Molding Roller (IMR), In particular to an IMR film with touch control and developing effects.
Background
In the In-Molding Roller (IMR) process, a pattern is printed on a film, a film is attached to a mold cavity through a film feeding machine for injection Molding, an ink layer with the pattern is separated from the film after injection Molding, the ink layer is left on the plastic part to obtain the plastic part with the decorative pattern on the surface, no transparent protective film is arranged on the surface of a final product, and the film is only a carrier In the production process.
When the IMR material is molded in the mold, the thermal transfer printing and the molding are simultaneously carried out, the secondary processing process and time are not needed, the molding efficiency is high, and meanwhile, the excellent ID design effect can be obtained. The comprehensive application of the technology and the in-film decoration can reduce the cost to a great extent. The IMR film has higher stretching capacity and can meet the molding requirement of complex three-dimensional shapes.
The In-Molding Roller (IMR) technology is a leap In the design of the color and texture of the interior and exterior decoration of automobiles and household electrical appliances, completely breaks through the limitation of the traditional water transfer printing process on the color and texture of the product, can realize different surface decoration effects of the product by only switching different membranes, and meets the individual requirements of different customer groups. Compared with the traditional process, the production efficiency is greatly improved, and the process is more environment-friendly. With the development of interior and exterior materials and processes of automobile and household appliances and the aesthetic requirements of people, the structure, color texture and decorative effect of the IMR film also need to be continuously optimized and improved.
In conclusion, the IMR film can realize different decorative effects through different printed texture layer designs on the premise of maintaining the properties such as formability, weather resistance, scratch resistance, solvent resistance and the like, and simultaneously gives touch and developing effects to the transfer film, thereby bringing a larger design space and more possibilities for the application of the transfer film to automobile appliances, and having important economic value and practical value.
Disclosure of Invention
In order to overcome the defect that the conventional transfer film does not have a touch effect, the invention provides a transfer film with a touch effect.
On the other hand, in order to overcome the defect that the conventional transfer film does not have a touch effect and a developing effect, the invention provides the transfer film with the touch and developing effects.
An object of the present invention is to provide a transfer film (also referred to as an IMR film) having touch control and development effects. The IMR film meets the forming performance, the decorative performance, the solvent resistance and the weather resistance of household appliances, and has touch control and developing effects. The touch effect means that a finger can control the generation and output of signals through a touch membrane. The developing effect means that various light-transmitting pattern effects required by customers can be designed on the film. The transfer printing film provided by the invention has the advantages of simple preparation process, easiness in operation and convenience for industrial production.
In order to achieve the above purpose, the solution of the invention is:
the invention provides a transfer printing film with a touch effect.
The transfer printing film with the touch effect sequentially comprises a release substrate layer, a release layer, a texture layer, a non-conductive coating layer and a bottom coating adhesion layer.
The transfer printing film with the touch control effect sequentially comprises a release substrate layer, a release layer, a texture layer, a non-conductive coating layer, a bottom coating adhesion layer and a transfer printing adhesive layer.
The invention provides a transfer printing film with touch control and developing effects.
Furthermore, the transfer printing film with touch control and developing effects sequentially comprises a release substrate layer, a release layer, a texture layer, a non-conductive coating layer, a bottom coating adhesion layer and a color layer.
Furthermore, a transfer glue layer is coated on the color layer. The transfer printing glue layer is coated before entering the die, whether the layer is present or not needs to see an application scene, the transfer printing glue layer is not needed when the transfer printing film is externally pasted on glass or a transparent plastic piece for use, and the plastic piece is pasted with glue; in order to use the in-film transfer molding process, it is necessary that the layer be activated at a high temperature to exhibit tackiness and transfer all layers except the release layer from the release layer to the workpiece.
Furthermore, the transfer printing film is composed of a release substrate layer, a release layer, a texture layer, a non-conductive coating layer, a bottom coating adhesion layer, a color layer and a transfer printing glue layer.
The non-conductive coating can provide a touch effect, is one of touch technologies in the existing display field, is designed on a decorative film, and belongs to the new application field.
The development effect is mainly that various pattern designs during the printing of color layer can provide the pattern of fretwork, and the pattern of fretwork can regard as the development effect, can develop (show the fretwork pattern) when inside light source is played promptly, and all are normal pattern when the light source is closed.
Coating a release layer on the release substrate layer; heating, drying and curing the coated release layer; coating a texture layer on the cured release layer by a printing or embossing process; arranging a non-conductive coating on the texture layer by a discontinuous vapor deposition process; a bottom coating adhesion layer is coated on the non-conductive coating layer; drying the coated base coat adhesive layer; printing color layers with different developing effects on the dried bottom coating adhesion layer by adopting a printing process; and arranging a transfer glue layer on the color layer to obtain a finished product. Curing, rolling and cutting the finished product.
When the transfer printing die is used, the transfer printing film is conveyed into the die cavity, and the transfer printing glue layer of the transfer printing film faces to the direction of the injection molding opening. The transfer printing film is adsorbed on the mold through vacuumizing in the mold, then high-temperature molten ABS or PC feed liquid is injected into the mold cavity, the high-temperature molten feed liquid activates the viscosity of the transfer printing glue layer after contacting the transfer printing glue layer of the transfer printing film, the transfer printing film is adhered to the surface of an injection molding part, and the texture layer of the transfer printing film is separated from the release layer when the mold is opened and is transferred to the outer surface of the part. Taking out the part, and sequentially arranging a transfer printing glue layer, a color layer, a bottom coating adhesive layer, a non-conductive coating layer and a texture layer on the surface of the part in the structure of the transfer printing film.
Further, the non-conductive coating is an indium tin oxide coating; the thickness of the indium tin oxide coating is 200-500 nm; furthermore, the sheet resistance of the indium tin oxide coating is 200-500 Ω/□, and the non-conductive coating mainly provides a touch effect for the transfer film.
Further, the texture layer is selected from one of UV curing or thermal curing coating; furthermore, the surface of the texture layer is provided with a microstructure, so that decorative effects such as wire drawing, matte, patterns and the like can be designed according to the needs of customers, the thickness of the texture layer is 1-5 mu m, and the texture layer mainly provides the transfer printing film with appearance metal texture.
Further, the release substrate layer is selected from a PET substrate; the thickness of the release substrate layer is 25-150 μm.
Further, the release layer is selected from a thermosetting adhesive layer, and the thickness of the release layer is 1-5 μm; further, the release layer glue layer is selected from a glue layer of a thermosetting melamine system.
Further, the bottom coating adhesive layer is selected from a thermosetting adhesive layer, and the thickness of the bottom coating adhesive layer is 1-3 μm; further, the primer coat is selected from the group consisting of heat-curable acrylate system coats.
Furthermore, the color layer is provided with a hollowed-out pattern. The color layer is selected from a semitransparent printing ink layer, and the printing ink layer is provided with a pattern or a pattern. Further, the color layer can be printed with patterns or patterns meeting different developing effects during ink printing. The color layer provides a developing effect for the transfer film.
Further, the transfer glue layer is selected from one or a mixed system of two of a heat curing coating layer and a thermoplastic coating layer. The transfer printing glue layer has the characteristic of high-temperature activation, the transfer printing glue layer is kept in a dry state at normal temperature, and the transfer printing glue layer can show larger bonding performance at the high temperature of more than 100 ℃. Furthermore, the thickness of the transfer glue layer is 1-5 μm.
Further, the release layer is selected from a thermosetting adhesive layer, and the thickness of the release layer is 1-5 μm; the bottom coating adhesive layer is selected from a thermosetting adhesive layer, and the thickness of the bottom coating adhesive layer is 1-3 mu m; the color layer is selected from a semitransparent printing ink layer, and the thickness of the color layer is 1-5 mu m; the thickness of the transfer glue layer is 1-5 μm.
Further, the thickness of the release substrate layer is 50-100 μm, the thickness of the release layer is 1-3 μm, the thickness of the texture layer is 1-3 μm, the thickness of the non-conductive coating layer is 250-400nm, the thickness of the priming coating adhesion layer is 1-2 μm, and the thickness of the color layer is 1-3 μm; the thickness of the transfer glue layer is 1-3 μm. Furthermore, the sheet resistance of the ITO coating is 300-450 Ω/□.
The present invention relates to a transfer film structure applied to home appliance decoration and interior and exterior automotive trims. In particular, to an IMR film structure with touch and development effects. The touch effect is designed into the transfer printing membrane, so that more space is provided for the transfer printing membrane to be used for the design of the interior and the exterior of household appliances or automobiles. Meanwhile, different developing patterns can be designed according to different household appliances and automobile applications, and the developing ink has an excellent decorative effect. The transfer printing film (IMR film) provided by the invention has better stretch forming performance, can form a 3D model desired by a customer by adopting an IMR injection molding process, and can enable interior and exterior trimming parts of automobiles and household appliances to have excellent appearance effect and designability by utilizing the excellent weather resistance, heat resistance, solvent resistance, scratch resistance, special touch control and development effect design, and has longer service life.
The transfer printing film with touch and developing effects provided by the invention has excellent forming performance, scratch resistance, weather resistance, solvent resistance and decorative performance. The transfer printing film provided by the invention has the advantages of simple preparation process, easiness in operation and convenience for industrial production. The transfer printing film provided by the invention is particularly suitable for the field of insert injection molding, can be used for injection molding of various parts for inner and outer ornaments of automobile and household appliances, can be externally pasted on glass or transparent plastic parts to achieve a decorative effect, and is particularly suitable for decoration of inner and outer ornaments of automobiles and household appliances requiring a touch control effect, but is not limited to the products listed above.
Drawings
Fig. 1 is a schematic structural diagram of a transfer film with touch and development effects according to the present invention.
The specific implementation mode is as follows:
the present invention will be further described with reference to the following examples and the accompanying drawings, wherein the following examples are only illustrative of the present invention and are not intended to limit the scope of the present invention. The method is a conventional method unless otherwise specified. The starting materials are, unless otherwise specified, commercially available products.
As shown in fig. 1, the transfer film provided by the present invention includes a release substrate layer 101, a release layer 102, a texture layer 103, a non-conductive layer 104, a primer layer 105, a color layer 106 and a transfer glue layer 107.
The present invention relates to the evaluation of the properties of transfer films produced. The required materials and equipment are all the existing materials and equipment.
Wherein the evaluation of the properties of the transfer film comprises:
1. and (3) testing the adhesive force: and (3) testing the adhesive force of the injection molding part of the transfer printing membrane: experimental tests were carried out according to GB/T9286-1998 (Baige method); the transfer film was evaluated as 0 grade without peeling.
2. And (3) high-temperature testing: and (3) placing the injection molding part of the transfer printing membrane under the condition of 95 ℃ multiplied by 168h, and observing appearance change and adhesive force change.
3. And (3) high humidity test: and (3) placing the injection molding part of the transfer printing membrane under the conditions of 38 ℃ multiplied by 100% RH and 144h, and observing appearance change and adhesive force change.
4. Chemical resistance media test (solvent resistance): and testing the influence of gasoline, diesel oil, antifreeze, brake fluid, engine oil, ethanol and artificial sweat on the appearance of the injection molding part of the transfer printing membrane by using a high-temperature dropping method.
5. Weather resistance: the transfer film was irradiated using a xenon accelerated weathering chamber under the test conditions specified in IOS 105-B06, Condition 5 to a total dose of 1240.8KJ/m2Cumulative irradiation of (2).
6. Scratch resistance (abrasion resistance): the transfer sheet surface was subjected to a rub test using a Taber abrader with a CS10 wheel and a 500g load for 1200 cycles as required by ASTM D4060. The scratch resistance grades are divided into four grades of excellent, good, general and poor, wherein the texture layer is excellent without abrasion; the texture layer was slightly worn to good; the texture layer is worn seriously but is not worn through normally; the texture layer wears through poorly.
7. Formability: molding by using a standard molding die; if the diaphragm can meet the standard, the diaphragm can be smoothly demoulded when being formed by a forming die without tensile cracks, and the formability is judged to be good.
Example 1
The thickness of the release substrate layer 101 is 25 μm; the thickness of the release layer 102 is 1 μm; the texture layer 103 is 4 μm thick and is a UV cured coating; the thickness of the non-conductive layer 104 is 200 μm, and the square resistance value is 200 Ω/□; the thickness of the undercoat adhesive layer 105 was 1 μm; the thickness of the color layer 106 is 5 μm; the thickness of the transfer glue layer 107 was 3 μm and was a thermoplastic coating.
Example 2
The thickness of the release substrate layer 101 is 38 μm; the thickness of the release layer 102 is 2 μm; the texture layer 103 is 5 μm thick and is a UV-cured coating; the thickness of the non-conductive layer 104 is 250 μm, and the square resistance value is 250 Ω/□; the thickness of the undercoat adhesive layer 105 was 2 μm; the thickness of the color layer 106 is 2 μm; the transfer glue layer 107 has a thickness of 5 μm and is a thermally cured coating.
Example 3
The thickness of the release substrate layer 101 is 50 μm; the thickness of the release layer 102 is 4 μm; the texture layer 103 is 2 μm thick and is a UV-cured coating; the thickness of the non-conductive layer 104 is 410 μm, and the square resistance value is 500 Ω/□; the thickness of the undercoat adhesive layer 105 was 2 μm; the thickness of the color layer 106 is 5 μm; the transfer glue layer 107 has a thickness of 2 μm and is a heat-cured coating.
Example 4
The thickness of the release substrate layer 101 is 150 μm; the thickness of the release layer 102 is 5 μm; the texture layer 103 has a thickness of 1 μm and is a heat-cured coating; the thickness of the non-conductive layer 104 is 500 μm, and the square resistance value is 450 Ω/□; the thickness of the undercoat adhesive layer 105 was 3 μm; the thickness of the color layer 106 is 1 μm; the thickness of the transfer glue layer 107 was 4 μm and was a heat-cured coating.
Example 5
The thickness of the release substrate layer 101 is 50 μm; the thickness of the release layer 102 is 1 μm; the texture layer 103 is 2 μm thick and is a UV-cured coating; the thickness of the non-conductive layer 104 is 250 μm, and the square resistance value is 300 Ω/□; the thickness of the undercoat adhesive layer 105 was 1 μm; the thickness of the color layer 106 is 1 μm; the thickness of the transfer glue layer 107 was 3 μm and was a thermoplastic coating.
Example 6
The thickness of the release substrate layer 101 is 75 μm; the thickness of the release layer 102 is 2 μm; the texture layer 103 has a thickness of 1 μm and is a heat-cured coating; the thickness of the non-conductive layer 104 is 360 μm, and the square resistance value is 400 Ω/□; the thickness of the undercoat adhesive layer 105 was 2 μm; the thickness of the color layer 106 is 3 μm; the thickness of the transfer glue layer 107 was 2 μm and was a thermoplastic coating.
Example 7
The thickness of the release substrate layer 101 is 100 μm; the thickness of the release layer 102 is 3 μm; the texture layer 103 has a thickness of 3 μm and is a heat-cured coating; the thickness of the non-conductive layer 104 is 400 μm, and the square resistance value is 450 Ω/□; the thickness of the undercoat adhesive layer 105 was 2 μm; the thickness of the color layer 106 is 2 μm; the thickness of the transfer glue layer 107 was 1 μm, which is a heat-cured coating.
Example 8
The thickness of the release substrate layer 101 is 125 μm; the thickness of the release layer 102 is 5 μm; the texture layer 103 has a thickness of 4 μm and is a heat-cured coating; the thickness of the non-conductive layer 104 is 460 μm, and the square resistance value is 500 Ω/□; the thickness of the undercoat adhesive layer 105 was 3 μm; the thickness of the color layer 106 is 4 μm; the transfer glue layer 107 has a thickness of 3 μm and is a thermosetting coating.
Example 9
The thickness of the release substrate layer 101 is 150 μm; the thickness of the release layer 102 is 5 μm; the texture layer 103 has a thickness of 5 μm and is a heat-cured coating; the thickness of the non-conductive layer 104 is 500 μm, and the square resistance value is 280 Ω/□; the thickness of the undercoat adhesive layer 105 was 3 μm; the thickness of the color layer 106 is 5 μm; the transfer glue layer 107 has a thickness of 5 μm and is a thermally cured coating.
Comparative example 1
The thickness of the release substrate layer 101 is 50 μm; the thickness of the release layer 102 is 6 μm; the texture layer 103 is 2 μm thick and is a UV-cured coating; the thickness of the non-conductive layer 104 is 100 μm, and the square resistance value is 800 Ω/□; the thickness of the undercoat adhesive layer 105 was 5 μm; the thickness of the color layer 106 is 1 μm; the thickness of the transfer glue layer 107 was 5 μm and was a thermoplastic coating.
In the transfer film provided in comparative example 1, the release layer is too thick; the primer adhesion layer is too thick; the non-conductive layer is too thin and the sheet resistance is too large.
Comparative example 2
The thickness of the release substrate layer 101 is 75 μm; the thickness of the release layer 102 is 2 μm; the thickness of the texture layer 103 is 1 μm, which is a thermosetting coating; the thickness of the non-conductive layer 104 is 600 μm, and the square resistance value is 150 Ω/□; the thickness of the undercoat adhesive layer 105 was 7 μm; the thickness of the color layer 106 is 3 μm; the thickness of the transfer glue layer 107 was 8 μm and was a thermoplastic coating.
In the transfer film provided in comparative example 2, the undercoat-adhesive layer is excessively thick; the non-conductive coating is too thick, and the sheet resistance is too small; the transfer glue layer is too thick.
Comparative example 3
The thickness of the release substrate layer 101 is 250 μm; the thickness of the release layer 102 is 0.4 μm; the texture layer 103 has a thickness of 7 μm and is a heat-cured coating; the thickness of the non-conductive layer 104 is 400 μm, and the square resistance value is 450 Ω/□; the thickness of the undercoat adhesive layer 105 was 6 μm; the thickness of the color layer 106 is 6 μm; the transfer glue layer 107 has a thickness of 5 μm and is a thermally cured coating.
In the transfer film provided in comparative example 3, the release substrate layer is too thick; the release layer is too thin; the texture layer is too thick; the primer adhesion layer is too thick; the color layer is too thick.
Table 1 main performance test results of transfer films provided in examples 1 to 9 of the present invention and comparative examples 1 to 3
In the hardness test, 2H > H > F > HB.
As can be seen from the detection data in table 1, the transfer film provided by the present invention has both touch control and developing effects, and has excellent scratch resistance, weather resistance, solvent resistance and moldability. Moreover, the transfer printing films provided by the embodiments 5 to 7 of the invention have balanced performance in all aspects, and the comprehensive performance is superior to that of other embodiments and comparative examples.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications thereof by those skilled in the art should be considered as not departing from the scope of the present invention.
Claims (12)
1. The transfer printing film with the touch effect is characterized by sequentially comprising a texture layer, a non-conductive coating layer and a bottom coating adhesion layer; the non-conductive coating is selected from indium tin oxide coatings, and the non-conductive coating can provide a touch effect.
2. The transfer film with touch control effect according to claim 1, wherein the transfer film comprises a release substrate layer, a release layer, a texture layer, a non-conductive layer and a primer layer in sequence.
3. The transfer film with the touch control effect according to claim 1, wherein the transfer film comprises a release substrate layer, a release layer, a texture layer, a non-conductive layer, a primer layer and a transfer glue layer in sequence.
4. The transfer film with touch effect as claimed in claim 1, wherein the thickness of the ITO layer is 200 nm to 500 nm.
5. The transfer film with touch control effect according to claim 1, wherein the surface of the textured layer has a microstructure.
6. A transfer printing film with touch control and developing effects is characterized by sequentially comprising a texture layer, a non-conductive coating layer, a bottom coating adhesion layer and a color layer; the non-conductive coating is selected from indium tin oxide coatings, and the non-conductive coating can provide a touch effect.
7. The transfer film with touch control and development effects according to claim 6, wherein the transfer film comprises a release substrate layer, a release layer, a texture layer, a non-conductive layer, a primer layer and a color layer in sequence.
8. The transfer film with touch control and development effects according to claim 7, wherein a transfer adhesive layer is coated on the color layer.
9. The transfer film with touch control and development effects as claimed in claim 6, wherein the thickness of the ITO layer is 200-500 nm.
10. The transfer film with touch control and development effects according to claim 6, wherein the surface of the textured layer has microstructures.
11. The transfer film with touch control and development effects according to claim 6, wherein the color layer has a hollowed pattern.
12. The transfer film with touch control and development effects according to claim 8, wherein the release layer is selected from a thermosetting adhesive layer and has a thickness of 1-5 μm; the bottom coating adhesive layer is selected from a thermosetting adhesive layer, and the thickness of the bottom coating adhesive layer is 1-3 mu m; the color layer is selected from a semitransparent printing ink layer, and the thickness of the color layer is 1-5 mu m; the thickness of the transfer glue layer is 1-5 μm.
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| CN201921584341.2U CN212046654U (en) | 2019-09-23 | 2019-09-23 | Transfer printing film with touch effect and transfer printing film with touch and developing effects |
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| CN201921584341.2U CN212046654U (en) | 2019-09-23 | 2019-09-23 | Transfer printing film with touch effect and transfer printing film with touch and developing effects |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112944786A (en) * | 2021-03-08 | 2021-06-11 | 长虹美菱股份有限公司 | Surface touch curved surface glass door body and manufacturing process thereof |
| CN114801538A (en) * | 2022-04-15 | 2022-07-29 | 武汉华工图像技术开发有限公司 | IMR (intrinsic mode response) membrane and preparation method and application thereof |
-
2019
- 2019-09-23 CN CN201921584341.2U patent/CN212046654U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112944786A (en) * | 2021-03-08 | 2021-06-11 | 长虹美菱股份有限公司 | Surface touch curved surface glass door body and manufacturing process thereof |
| CN114801538A (en) * | 2022-04-15 | 2022-07-29 | 武汉华工图像技术开发有限公司 | IMR (intrinsic mode response) membrane and preparation method and application thereof |
| CN114801538B (en) * | 2022-04-15 | 2023-12-19 | 武汉华工图像技术开发有限公司 | IMR membrane and preparation method and application thereof |
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Effective date of registration: 20210512 Address after: 315040 No.9 Jingyuan Road, high tech Zone, Ningbo City, Zhejiang Province Patentee after: Ningbo Exciton Technology Co.,Ltd. Address before: 315040 No.9 Jingyuan Road, high tech Zone, Ningbo City, Zhejiang Province Patentee before: Ningbo Exciton Technology Co.,Ltd. Patentee before: NINGBO JIZHI INNOVATION MATERIAL RESEARCH INSTITUTE Co.,Ltd. |