Medium transfer film
By using a combination of a flexible base layer and a flexible reinforcement layer in the medium transfer film, the wrinkle and deformation during peeling transfer are solved, the tensile and compressive properties of the transfer film are improved, the difficulty of peeling transfer is reduced and the service life is extended.
Patent Information
- Application Number
- CN202421835477.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-31
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-07-31
AI Technical Summary
The existing medium transfer film is prone to wrinkles and deformation during peeling and transfer, resulting in transfer deviation and scrapping, making it more difficult to peel and post.
A dielectric transfer film structure is adopted, including a base layer, a release layer, a flexible base layer, an information transfer layer, a flexible reinforcement layer and a wear-resistant scratch-resistant layer. The flexible base layer and a flexible reinforcement layer provide good tensile and deformation resistance through the combination of reinforcement ribs and polycarbonate materials.
Effectively prevent wrinkles and deformation during peeling and posting, reduce the difficulty of peeling and transfer, improve smoothness and convenience, and at the same time enhance the tensile, compressive and deformation resistance of the transfer film, and extend the service life.
Smart Images

Figure CN222858948U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of transfer films, in particular to a medium transfer film. Background Art
[0002] The transfer film is an intermediate carrier, which exists on a transfer paper base or a plastic base, carries a printed or printed pattern, and is a layer of chemical elastic film used to transfer to the printed object. It is widely used in advertising, decoration, etc. As shown in an environmentally friendly transparent medium transfer film (public announcement number CN214056999U) disclosed in the China Patent Network, the transfer film body of such a device is provided with a release layer, a substrate layer, a chemical conversion layer, a reinforcement layer, an anti-scratch layer and a protective layer from bottom to top. Among them, by adding a plasticizer to the substrate layer, the transfer film is effectively prevented from hardening and brittle at low temperatures, thereby enhancing the use quality of the transfer film and extending its service life. In addition, the chemical conversion layer, the reinforcement layer, the anti-scratch layer and the protective layer are all made of water-based transparent medium layers, making the manufactured transfer film more environmentally friendly, safe, hygienic and pollution-free, with strong practicality and worthy of promotion.
[0003] However, there are still some shortcomings in the above-mentioned patents and the medium transfer films adopted in the existing market: the existing method of adding plasticizers to the transfer film and auxiliary reinforcement layers, anti-scratch layers and protective layers to improve its use quality can enhance the high quality of the transfer film, but due to the softness of the transfer film, it is very easy to wrinkle and deform when peeling and transferring, resulting in deviation and scrapping of the transfer, and the difficulty of transfer and posting is high. To this end, those skilled in the art provide a medium transfer film to solve the problems raised in the above background technology. Utility Model Content
[0004] The main purpose of the utility model is to provide a medium transfer film, which can effectively solve the problem of the existing medium transfer film in the background technology that the peeling and transfer is difficult.
[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a medium transfer film, including a substrate layer, a release layer, a flexible base layer, an information transfer layer, a flexible strengthening layer, and a wear-resistant and scratch-resistant layer, wherein;
[0006] The release layer is laid on the substrate layer;
[0007] The flexible base layer is laid on the release layer, and the flexible base layer and the flexible reinforcement layer are sandwiched with each other from top to bottom, and an information transfer layer is sandwiched between the flexible base layer and the flexible reinforcement layer;
[0008] The wear-resistant and scratch-resistant layer is laid on the flexible strengthening layer.
[0009] As a further solution of the utility model: the flexible base layer includes a base film and reinforcing ribs, and the reinforcing ribs are built inside the core layer of the base film.
[0010] As a further solution of the utility model: the base film is made of soft glass PVC material, the reinforcing ribs are made of polyimide material, and the reinforcing ribs are a hexagonal grid structure.
[0011] As a further solution of the utility model: the flexible reinforcement layer is made of polycarbonate, and the laying thickness of the flexible reinforcement layer and the flexible base layer is not less than 20 μm.
[0012] As a further solution of the utility model: the wear-resistant and scratch-resistant layer is made of water-based polyurethane material, and the upper end surface of the wear-resistant and scratch-resistant layer is coated with a transparent protective layer made of silicon dioxide material.
[0013] As a further solution of the utility model: the substrate layer is any one of a PET film and a PVC film, and the release layer is a water-based transparent epoxy acrylic resin.
[0014] Compared with the prior art, the utility model has the following beneficial effects:
[0015] During the peeling and transfer process, the medium transfer film of the utility model has good stretching and laying performance based on the elastic winding characteristics of the flexible base layer and the flexible reinforcement layer, which can effectively prevent wrinkles and deformation caused during peeling and pasting, reduce the difficulty of peeling and transfer, and improve the smoothness and convenience of peeling and transfer. During the peeling and transfer process, the combination of the flexible base layer and the flexible reinforcement layer has good tensile and deformation resistance, and under the protection of the scratch-resistant and wear-resistant laying of the wear-resistant and scratch-resistant layer, the reinforcement performance and flattening performance of the overall structure of the transfer film can be improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the structure of a medium transfer film of the utility model;
[0017] Figure 2 The utility model is a schematic diagram of the structure of a flexible base layer in a medium transfer film.
[0018] In the figure: 1, substrate layer; 2, release layer; 3, flexible base layer; 31, base film; 32, reinforcing ribs; 4, information transfer layer; 5, flexible reinforcement layer; 6, wear-resistant and scratch-resistant layer. DETAILED DESCRIPTION
[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0020] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.
[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0022] Please refer to Figure 1-2 As shown, a medium transfer film includes a substrate layer 1, a release layer 2, a flexible base layer 3, an information transfer layer 4, a flexible reinforcement layer 5, and a wear-resistant and scratch-resistant layer 6, wherein the release layer 2 is laid on the substrate layer 1, the substrate layer 1 is any one of a PET film and a PVC film, and the release layer 2 is a water-based transparent epoxy acrylic resin. The substrate layer 1 in the form of a PET film or a PVC film has the characteristics of low cost and convenient posting and use, and the release layer 2 made of a water-based transparent epoxy acrylic resin has strong impact resistance and solvent resistance.
[0023] The flexible base layer 3 is laid on top of the release layer 2, and the flexible base layer 3 and the flexible reinforcement layer 5 are sandwiched up and down. The flexible base layer 3 includes a base film 31 and a reinforcing rib 32, and the reinforcing rib 32 is built into the core layer of the base film 31. The base film 31 is made of soft glass PVC, and the reinforcing rib 32 is made of polyimide, and the reinforcing rib 32 is a hexagonal grid structure. The base film 31 made of soft glass PVC in the flexible base layer 3 is used as a peeling base for the information transfer layer 4. It has good flattening performance, can improve the flattening characteristics of the overall structure of the transfer film, and reduce wrinkles and deformation generated during the pasting process. The reinforcing rib 32 made of polyimide material is used as the reinforcing inner core of the flexible base layer 3, which can improve the tensile, compressive and deformation resistance of the overall structure of the transfer film.
[0024] An information transfer layer 4 is sandwiched between the flexible base layer 3 and the flexible reinforcement layer 5. The flexible reinforcement layer 5 is made of polycarbonate, and the laying thickness of the flexible reinforcement layer 5 and the flexible base layer 3 is not less than 20μm. The flexible reinforcement layer 5 based on polycarbonate material serves as the peeling top seal of the information transfer layer 4. It has good flattening and tensile resistance, can improve the flattening performance of the information transfer layer 4, and under the bottom seal of the flexible base layer 3, form a reinforced flattening layer in the form of an upper and lower sandwich, so as to improve the flattening performance, compression and tensile resistance of the overall structure of the transfer film.
[0025] The wear-resistant and scratch-resistant layer 6 is laid on top of the flexible strengthening layer 5. The wear-resistant and scratch-resistant layer 6 is made of water-based polyurethane material, and the upper end face of the wear-resistant and scratch-resistant layer 6 is coated with a transparent protective layer of silica material. The wear-resistant and scratch-resistant layer 6 based on water-based polyurethane material and the transparent protective layer of silica material coated on its end face can protect the transfer film and increase the service life of the transfer film.
[0026] The working principle of the utility model is as follows: by using the flexible base layer 3 as the peeling base of the information transfer layer 4 and the flexible reinforcement layer 5 as the peeling top seal of the information transfer layer 4, the information transfer layer 4 is sandwiched by the sandwich combination, and then utilizing the combination of the soft glass PVC material base film 31 and the polyimide material reinforcement rib 32 in the flexible base layer 3, and the flexible reinforcement layer 5 of polycarbonate material, on the one hand, the flattening performance of the overall structure of the transfer film is improved, making the peeling transfer smoother and more convenient, reducing the wrinkles and deformation generated during the peeling transfer process, and reducing the control strength of the peeling transfer and pasting; on the other hand, it can serve as a reinforced inner core to improve the tensile, compressive and deformation resistance of the overall structure of the transfer film; and after the peeling transfer, by utilizing the wear-resistant and scratch-resistant layer 6 of water-based polyurethane material and the transparent protective layer of silica material coated on its end surface, the transfer film can be protected and the service life of the transfer film can be increased.
[0027] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A dielectric transfer film, characterized in that: It comprises a substrate layer (1), a release layer (2), a flexible base layer (3), an information transfer layer (4), a flexible reinforcement layer (5), and a wear-resistant and scratch-resistant layer (6), wherein; The release layer (2) is laid on top of the substrate layer (1); The flexible base layer (3) is laid on the release layer (2), and the flexible base layer (3) and the flexible reinforcement layer (5) are sandwiched with each other from top to bottom, and an information transfer layer (4) is sandwiched between the flexible base layer (3) and the flexible reinforcement layer (5); The wear-resistant and scratch-resistant layer (6) is laid on top of the flexible reinforcement layer (5).
2. A dielectric transfer film according to claim 1, characterized in that: The flexible base layer (3) comprises a base film (31) and reinforcing ribs (32), and the reinforcing ribs (32) are built inside the core layer of the base film (31).
3. A dielectric transfer film according to claim 2, characterized in that: The base film (31) is made of soft glass PVC material, the reinforcing ribs (32) are made of polyimide material, and the reinforcing ribs (32) are of a hexagonal grid structure.
4. A dielectric transfer film according to claim 1, characterized in that: The flexible reinforcement layer (5) is made of polycarbonate, and the laying thickness of the flexible reinforcement layer (5) and the flexible base layer (3) is not less than 20 μm.
5. The dielectric transfer film according to claim 1, characterized in that: The wear-resistant and scratch-resistant layer (6) is made of water-based polyurethane material, and the upper end surface of the wear-resistant and scratch-resistant layer (6) is coated with a transparent protective layer made of silicon dioxide material.
6. The dielectric transfer film according to claim 1, characterized in that: The substrate layer (1) is any one of a PET film and a PVC film, and the release layer (2) is a water-based transparent epoxy acrylic resin.