Thin film for preventing color migration of cloth

Abstract

The invention provides a film for preventing color migration of cloth, which is used for being attached to the cloth and comprises a surface layer and a barrier layer, and the surface layer is a film made of polyurethane, thermoplastic polyurethane elastomer and thermoplastic polyester elastomer materials; the blocking layer composition is provided with a blocking layer capable of blocking dye, and the blocking layer composition is combined with the surface layer. When the thin film is attached to the cloth, the blocking layer is located between the cloth and the surface layer so as to block the color of the cloth from moving into the surface layer. Dye of cloth can be prevented from moving into and permeating into the thin film; the film is not subjected to color migration and becomes a reflective film, a noctilucent film or a glossy film; and the cloth can be cut into patterns and attached to the cloth.

Description

Technical Field

[0001] The present invention relates to a film, in particular, a film for laminating on a cloth, which can prevent the film from being stained by the cloth. Background Art

[0002] Arranging patterns or words on clothes or fabrics made of cloth can increase the beauty of the clothes or fabrics. One method of arranging patterns or words on the surface of cloth is to stick a plastic film on the cloth.

[0003] The fibers of fabrics are dyed to make fabrics of various colors. When plastic film is glued to fabric, after a period of time, the color dye of the fabric will penetrate into the film on the fabric, and the film will be mixed with the color of the fabric, making the surface of the film become a rendered, mixed color, no longer the existing color, and the film will become unsightly. The longer the time, the more serious the problem of the color of the fabric mixing into the film. When the film on the clothes or fabrics looks turbid and impure, it will be discarded. Summary of the invention

[0004] The present invention aims to solve the above-mentioned defects, and its purpose is to provide a film for preventing the color migration of cloth, which can prevent the dye of the cloth from migrating into and penetrating into the film.

[0005] Another object of the present invention is to provide a film that does not undergo color shifting and becomes a reflective film, a luminous film or a glossy film.

[0006] Another object of the present invention is to provide a film for preventing color transfer of fabrics, which can be cut into patterns and attached to fabrics.

[0007] The present invention provides a film for preventing color transfer of fabrics, which is used for laminating on fabrics and comprises:

[0008] A surface layer is polyurethane (PU), thermoplastic polyurethane elastomer (TPU), thermoplastic polyester elastomer (TPEE), and has a first surface and a second surface located on opposite sides;

[0009] A barrier layer is formed, which has a barrier layer and can block dyes. The barrier layer is combined with the second surface of the surface layer. When the film is attached to the cloth, the barrier layer is located between the cloth and the surface layer.

[0010] Thereby, the barrier layer can block the dye molecules of the fabric, so that the dye molecules will not move into the surface layer, and the color of the surface layer will not be damaged.

[0011] The barrier layer composition comprises: a carrier layer, a first protective layer and the barrier layer,

[0012] The carrier layer is a film, the rigidity of which is greater than that of the first protective layer, and the expansion rate is less than that of the first protective layer;

[0013] The first protective layer is disposed on the release surface of the carrier layer, and is a non-sticky film or a film that becomes sticky when heated;

[0014] The barrier layer is arranged on the first protective layer; the surface layer and the barrier layer are combined to form a side where the carrier layer is not arranged.

[0015] Preferably, the second surface of the surface layer is bonded to the barrier layer.

[0016] Preferably, the barrier layer composition further comprises: a second protective layer disposed on the barrier layer. The second protective layer is a film formed by coating on the barrier layer, and preferably, the second protective layer is a film of polymer material.

[0017] Before the film is attached to the cloth, the carrier layer is peeled off from the film.

[0018] Preferably, the barrier layer is a metal such as gold, silver, copper or aluminum or its oxide, or an inorganic substance such as zinc sulfide, niobium pentoxide, silicon dioxide, titanium dioxide, etc., and is deposited on the first protective layer by sputtering or evaporation.

[0019] Preferably, the carrier layer is a PET film; the first protective layer is formed by coating a resin on the carrier layer, which is a film of polyurethane (PU) or polyurethane thermoplastic elastomer (TPU).

[0020] Preferably, the first surface of the surface layer is a mirror surface, a matte surface or has textures.

[0021] Preferably, luminous material, reflective glass beads or pearl powder are added to the surface layer, so that the film forms a luminous film, a reflective film or a film with a pearlescent pink color.

[0022] Preferably, the film material further comprises: a reflective layer disposed on the first surface of the surface layer, and a surface of the reflective layer is a reflective surface exposed on the film.

[0023] Preferably, the first protective layer is a non-sticky film; an adhesive layer is disposed on the first protective layer, and the film is attached to the cloth via the adhesive layer.

[0024] Preferably, the material of the first protective layer can generate adhesiveness when heated, and the film is attached to the cloth by the adhesiveness of the first protective layer when heated.

[0025] Preferably, the thickness of the barrier layer is not greater than 20 micrometers; the thickness of the first protective layer, the barrier layer and the second protective layer is not greater than 3 micrometers.

[0026] The film is cut into patterns and then bonded to the fabric. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The purpose, features and effects of the present invention can be understood from the following description of preferred embodiments and the accompanying drawings, in which:

[0028] Figure 1 It is a three-dimensional schematic diagram of a film for preventing color migration of fabrics according to a preferred embodiment of the present invention.

[0029] Figure 2 yes Figure 1 Schematic cross-sectional view of line 2-2.

[0030] Figure 3 It is a cross-sectional schematic diagram of the barrier layer composition of a preferred embodiment of the present invention.

[0031] Figure 4 It is a cross-sectional schematic diagram of the molding structure of the surface layer of a preferred embodiment of the present invention.

[0032] Figure 5 Show from Figure 2 The film is peeled off to remove the carrier layer and the release layer.

[0033] Figure 6 show Figure 5 Schematic diagram of a film attached to a cloth.

[0034] Figure 7 It is a cross-sectional schematic diagram of a film for preventing color transfer of fabrics according to a second preferred embodiment of the present invention, and shows that the film has been stripped of its carrier layer and release layer and is attached to a fabric.

[0035] Figure 8 It is a cross-sectional schematic diagram of a film according to a third preferred embodiment of the present invention.

[0036] Fig. 9 Show from Figure 8 Schematic diagram of a film after the carrier layer and the release layer are peeled off and attached to a cloth.

[0037] Fig.10 A schematic diagram showing a pattern cut from the film of the present invention. DETAILED DESCRIPTION

[0038] See also Figure 1 and Figure 2 , is a film 10 for preventing color transfer of fabrics provided by the first preferred embodiment of the present invention, which is a layered structure, including: a surface layer 20 and a barrier layer composition 30 combined with the surface layer 20. The barrier layer composition 30 includes: a carrier layer 31, a release layer 32, a first protective layer 34, a barrier layer 40 and a second protective layer 36. The thickness of the film 10 is quite thin, and the drawings in this specification are only examples of each layer.

[0039] In this preferred embodiment, the surface layer 20 and the barrier layer composition 30 are separately manufactured and then combined with each other. Figure 3 The manufacturing method of the barrier layer composition 30 is as follows: first, a carrier layer 31 is prepared, preferably PET (polyethylene terephthalate, Polyethlene). Then, a liquid resin is coated on the release surface 33 of the carrier layer 31 to form a first protective layer 34. The scraper of the coating equipment can accurately control and shape the thickness and flatness of the first protective layer 34. Preferably, the material of the first protective layer 34 is polyurethane (PU) or thermoplastic polyurethane elastomer (TPU). After the first protective layer 34 is formed and shaped, a barrier layer 40 of a metal material is plated on a surface of the first protective layer 34 by a sputtering or evaporation device. Preferably, the barrier layer 40 is selected from gold, silver, copper or aluminum. Afterwards, a second protective layer 36 is disposed on the barrier layer 40 to protect the barrier layer 40. The barrier layer 40 is located between the two protective layers 34 and 36 and protected by the two protective layers to prevent the two surfaces of the barrier layer from being damaged. The carrier layer 31 is located on one side of the barrier layer composition 30, and the barrier layer 40 and the second protective layer 36 are located on the other side of the barrier layer composition.

[0040] See also Figure 4 The surface layer 20 is formed by coating a liquid resin on a release surface 26 of a release layer 25. The release layer 25 can be a release paper or a release film. The release surface 26 can be formed by coating a release agent or by the material characteristics of the release layer 25. That is, the material of the release layer 25 itself has release properties to form the release surface 26 without coating a release agent. After the surface layer 20 is fixed, the surface layer 20 can be manufactured and removed from the release layer 25.

[0041] The surface layer 20 is combined with the second protective layer 36 of the barrier layer composition 30 to form the film. Alternatively, the barrier layer composition 30 does not include the second protective layer 36; the surface layer 20 is directly attached to the barrier layer 40 to form the film. When the film is to be attached to a cloth, the carrier layer 31 and the release layer 32 are peeled off to expose the first protective layer 34, and then the film with the carrier layer and the release layer removed is attached to a cloth. The film is attached to the cloth on the side where the first protective film 34 is located, and the surface layer 20 is exposed to the cloth. The film 10 is cut into patterns and then attached to the cloth to make the cloth have patterns. Through the blocking of the barrier layer 40, the dye molecules in the cloth cannot pass through the barrier layer 40, so that the surface layer 20 will not be contaminated by the dye of the cloth.

[0042] In one manufacturing method, the first protective layer 34 can be made of an adhesive material, such as hot melt adhesive, so that the film 10 is attached to the cloth by the hot melt adhesive.

[0043] In one manufacturing method, the first protective layer 34 is non-sticky, and an adhesive layer is disposed on the protective layer 34 , and the film 10 is attached to the cloth via the adhesive layer.

[0044] Luminous materials, reflective glass beads or pearl powder may be added to the resin forming the surface layer 20, so that the film becomes a luminous film that can block fabric dyes, a reflective film or a film with pearlescent color.

[0045] One surface of the surface layer 20 can be made into a mirror surface, a matte surface or a texture, so that the outer surface of the film has a mirror surface or a matte surface effect and various textures.

[0046] Another method of making the film 10 is to place a reflective layer on the surface layer 20. The reflective layer is exposed on the film, so that the film forms a reflective film. The reflective elements of the reflective layer can be reflective glass beads or reflective prisms.

[0047] See also Figure 3 The carrier layer 31 of the film 10 is biaxially stretched PET, which has very low stretchability, excellent flatness and uniform thickness, and low expansion and contraction rate and deformation when subjected to force. A release layer 32 is provided on one surface of the carrier layer 31, which is a surface layer formed by coating the carrier layer 31 with a release agent, so that one surface of the body layer 31 forms a release surface 33.

[0048] The first protective layer 34 is formed by coating a liquid resin on the release surface 33 of the carrier layer 31. The first protective layer 34 can be made of a viscous resin or a non-viscous resin. Figure 6 The embodiment is that polyurethane (PU) can be selected, which is non-sticky. The protective layer 34 is Figure 2 An embodiment of the present invention is to use a hot melt adhesive made of thermoplastic polyurethane (TPU) material, which becomes sticky when heated.

[0049] The barrier layer 40 is plated on a surface of the first protective layer 34. The barrier layer 40 has no pores inside, which can produce the effect of blocking the penetration of substances. The barrier layer in the preferred embodiment is a layer of metal medium, which can be plated on the surface layer 20 by vacuum evaporation in physical vapor deposition (PVD) to deposit metal materials (such as silver, aluminum, gold, copper) or their oxides, or plated on the first protective layer 34 by magnetron sputtering ion plating to deposit inorganic materials such as zinc sulfide, niobium pentoxide, silicon dioxide, titanium dioxide, etc., or vacuum sputtering or ion plating to deposit metal materials such as silver ions, aluminum ions, gold ions, or copper ions on the first protective layer. The specific method of manufacturing the barrier layer is as follows: using a biaxially stretched PET film, coating a release agent on the PET film, coating a PU film (the first protective layer) on the release surface 33 of the PET film, and then coating the barrier layer 40 on the PU film. The barrier layer of this embodiment uses aluminum. The second protective layer 36 is disposed on one surface of the barrier layer 40. In this embodiment, the second protective layer 36 is a film formed by coating the barrier layer 40 with PU resin to provide protection for the barrier layer 40.

[0050] The inventor has found through experiments that if the barrier layer 40 is not formed through the carrier layer 31, when gold, silver, copper, aluminum and other metals or the aforementioned inorganic substances such as zinc sulfide, niobium pentoxide, silicon dioxide, titanium dioxide and the like are directly plated on a PU film, because the PU film has a certain elongation, it is easy to produce deformation and stress, and the PU film is also easy to be wavy or wrinkled and other uneven conditions, resulting in stress, deformation and other defects in the metal barrier layer plated on the PU film, and causing gaps and fractures in the barrier layer 40, forming a breach, and thus being unable to block the dye molecules of the fabric, so the method of directly plating the metal barrier layer on the PU film is not feasible. The preferred embodiment uses a PET film with low elongation and uniform thickness as a carrier for forming the metal barrier layer, and plates and forms a good barrier layer on the PET film, so that the barrier layer has a uniform thickness, does not produce stress and deformation, and does not have gaps or cracks, and can effectively block the dye of the fabric from passing through the barrier layer. Only when the present invention uses PET film as a carrier and coats PU (first protective layer) on the PET film, and then plates the barrier layer, can the barrier layer be stabilized by the strong rigidity and inextensibility (low stretchability and deformation) of PET, so as to plate a dense barrier layer without stress, deformation and cracking, and achieve the purpose of blocking the dye molecules of the fabric from migrating into the surface layer. The thickness of the first and second protective layers 34 and 36 is quite thin, the rigidity of the carrier layer 31 is greater than that of the first protective layer 34, and the extensibility and elasticity are much lower than that of the first protective layer, so that the first protective layer 34 will not shrink or stretch, and remains flat and wrinkle-free, and the barrier layer will not have stress, deformation or cracking.

[0051] The thinner the first protective layer 34 is, the less likely it is to cause deformation of the barrier layer 40. In this preferred embodiment, the thickness formed by the first protective layer 34, the barrier layer 40 and the second protective layer 36 is no greater than 3 micrometers (μm), between 0.3 and 3 micrometers, preferably no greater than 2 micrometers, and more preferably no greater than 1 micrometer. The thickness of the barrier layer composition 30 is no greater than 20 micrometers (μm), preferably no greater than 16 micrometers, and more preferably no greater than 14 micrometers.

[0052] The surface layer 20, such as Figure 4 The surface layer 20 is formed by coating the release layer 25 with liquid resin. The material of the surface layer 20 can be polyurethane (PU), thermoplastic polyurethane elastomer (TPU) or thermoplastic polyester elastomer (TPEE). In this embodiment, the surface layer is polyurethane. The surface layer 20 has a first surface 22 and a second surface 24 located on opposite sides. The first surface 22 faces the release layer 25 and is combined with the release surface 26.

[0053] The release surface 26 of the release layer 25 can be made into a mirror surface (or smooth surface, bright surface), a matte surface, or a concave-convex texture, so that the first surface 22 of the surface layer 20 is a mirror surface, a matte surface, or has a texture, and the texture is a mirror image of the texture of the release surface 26, so that the outer surface of the film 10 has a mirror surface or a matte surface effect and various textures.

[0054] After the surface layer 20 is manufactured, its second surface 24 is combined with the second protective layer 36 of the barrier layer composition 30 to manufacture the film 10. The side where the surface layer 20 is located is the outer side of the film 10. Figure 2 In the embodiment, the surface layer 20 is the outer surface of the film 10. Alternatively, the barrier layer composition 30 does not include the second protective layer 36 made of PU material; the second surface 24 of the surface layer 20 made of PU material is attached to the barrier layer 40. The barrier layer 40 is located between the first protective layer 34 and the surface layer 20.

[0055] The film 10 is used to be attached to a cloth. Figure 5 Before attaching the film to the fabric, the carrier layer 31 and the release layer 32 are peeled off from the film 10. Figure 6 As shown, the first protective layer 34 is no longer shielded by the carrier layer 31 and is exposed, and the film 10a only retains the surface layer 20, the second protective layer 36, the barrier layer 40 and the first protective layer 34. The component symbol 10a represents the film from which the carrier layer and the release layer have been peeled off. The surface layer 20 is the outer surface of the film 10a, and the surface on the side where the protective layer 42 is located is the inner surface of the film 10a.

[0056] Then, if Figure 6 As shown in FIG. 1 , the inner surface of the film 10a is attached to a cloth 60. Figure 2 In the embodiment of the present invention, the first protective layer 34 is TPU hot melt adhesive. Figure 6 As shown, the protective layer 34 is brought into contact with the outer surface of the fabric 60 , and then, heat is applied to the film 10 a by an iron or a heating device, so that the hot melt adhesive is melted by the heat to generate viscosity, thereby adhering the film 10 a to the fabric 60 .

[0057] Figure 7 The film also has a surface layer 20 and a barrier layer composition 30 combined with the surface layer 20, including: a carrier layer 31, a release layer 32, a first protective layer 34, a barrier layer 40 and a second protective layer 36, wherein the first protective layer 34 is PU, Figure 7The film 10a has the carrier layer 31 and the release layer 32 peeled off. The film further includes an adhesive layer 38, such as glue or adhesive, disposed on a surface of the first protective layer 34. When the film is to be attached, the carrier layer 31 and the release layer 32 are peeled off, the first protective layer 34 is exposed, and the adhesive layer 38 is combined with the first protective layer 34, and the inner surface of the film 10a contacts the fabric 60, and the film 10a is attached to the fabric 60 by the adhesive layer 38.

[0058] After the film 10a is attached to the fabric 60, the barrier layer 40 is located between the surface layer 20 and the fabric 60. The metal barrier layer 40 of the present invention has no pores, and through the manufacturing method and structure disclosed in the present invention, the barrier layer 40 will not have stress, deformation, cracks or holes. Figure 6 and Figure 7 As shown, the barrier layer 40 can block the dye molecules 62 of the fabric 60, so that the dye molecules 62 cannot move into the surface layer 20, and the surface layer 20 will not be mixed with the color of the fabric 60, so that the color of the surface layer 20 remains pure and will not be contaminated by the dye molecules of the fabric.

[0059] In the implementation of the present invention, luminous materials, reflective glass beads or pearlescent powder can be further added to the surface layer 20, so that the surface layer 20 provides luminous and reflective functions, or has the color formed by pearlescent powder, so that the film can not only block the dye of the fabric, but also become a luminous film, a reflective film or a film with pearlescent color.

[0060] Figure 8 A third preferred embodiment of the film 10 of the present invention is shown, which can be Figure 2 structure or Figure 7 The structure is different in that the film 10 further includes a reflective layer 50, which is adhered to the first surface 22 of the surface layer 20. The reflective layer 50 is a layer formed of resin, one surface of which is a reflective surface 52, which is provided with a plurality of reflective glass beads 54. The reflective surface 52 faces outward and is exposed to the film 10a.

[0061] See also Fig. 9 After the carrier layer 31 and the release layer 32 of the film 10 are peeled off, the inner surface of the film 10a is attached to the cloth 60. The film 10a can be Figure 5 As shown in the figure, the first protective layer 34 of TPU material or Figure 6 As shown, the reflective layer 50 is attached to the cloth 60 through an adhesive layer 38, and the reflective surface 52 of the reflective layer 50 is exposed on the cloth 60 to provide a safety effect. The barrier layer 40 can block the dye molecules 62 of the cloth.

[0062] See also Fig.10The film 10 (10a) can be cut into various graphics 70 by manual or computer equipment, including non-text graphics and text graphics, such as the English word LOVE. Fig.10 In the figure, the side where the surface layer 20 of the pattern 70 is located is the outer side of the film, and the side where the first protective layer 34 is located is the inner side of the film. The cut pattern 70 is attached to the fabric with the inner side of the film, so that the surface of the fabric has the pattern, and the barrier layer 40 is located between the surface layer 20 and the fabric.

[0063] The present invention provides a metal dielectric barrier layer 40 for the film bonded to the fabric to isolate the dye molecules, so that the fabric dye molecules cannot penetrate into the surface layer 20 of the film, so that the surface layer 20 maintains its own color and is not affected by the dye color of the fabric and its color is not destroyed. According to the inventor's experiment, after the film is bonded to the fabric, under the harsh conditions of 90°C for 168 hours, the surface layer of the film still maintains its own color, and the dye molecules of the fabric are indeed blocked by the barrier layer 40 in the film and cannot pass through the barrier layer.

[0064] The above embodiments are only intended to illustrate the features of the present invention and are not intended to limit the present invention. Any equivalent modifications of the present invention should be considered to be within the protection scope of the present invention.

Claims

1. A film for preventing color migration of fabrics, characterized in that: Contains: A surface layer is a film material of polyurethane, thermoplastic polyurethane elastomer, or thermoplastic polyester elastomer, and the surface layer has a first surface and a second surface located on opposite sides; A barrier layer composition has a barrier layer capable of blocking dyes, and the barrier layer composition is combined with the second surface of the surface layer.

2. The film according to claim 1, characterized in that: The barrier layer composition comprises: a carrier layer, a first protective layer and the barrier layer, The carrier layer is a film and has a release surface, the rigidity of which is greater than that of the first protective layer, and the expansion rate is less than that of the first protective layer; The first protective layer is disposed on the release surface of the carrier layer, and is a non-sticky film or a film that becomes sticky when heated; The barrier layer is arranged on the first protective layer, and the surface layer and the barrier layer are combined on the side where the carrier layer is not arranged.

3. The film according to claim 2, characterized in that: The second surface of the surface layer is bonded to the barrier layer.

4. The film according to claim 2, characterized in that: The barrier layer composition further comprises: a second protective layer arranged on the barrier layer; the barrier layer is located between the first and second protective layers; and the second surface of the surface layer is combined with the second protective layer.

5. The film according to any one of claims 2 to 4, characterized in that: After the film is manufactured and before being attached to the fabric, the carrier layer is peeled off from the film.

6. The film according to any one of claims 1 to 4, characterized in that: The barrier layer is gold, silver, copper, aluminum or its oxide, or zinc sulfide, niobium pentoxide, silicon dioxide, titanium dioxide, and is plated on the first protective layer by sputtering or evaporation.

7. The film according to claim 2, characterized in that: The carrier layer is a polyethylene terephthalate film; the first protective layer is a polyurethane or polyurethane thermoplastic elastomer film.

8. The film according to claim 4, characterized in that: The second protective layer is a film disposed on the barrier layer.

9. The film according to claim 1, characterized in that: The first surface of the surface layer is a mirror surface, a matte surface or has textures.

10. The film according to any one of claims 1 to 4, characterized in that: Luminous material, reflective glass microbeads or pearlescent powder are added to the surface layer.

11. The film according to any one of claims 1 to 4, characterized in that The invention also comprises: a reflective layer, one surface of which is a reflective surface with reflective glass micro beads; the reflective layer is combined with the first surface of the surface layer, and the reflective surface is exposed.

12. The film according to claim 5, characterized in that The invention also comprises: an adhesive layer; after the carrier layer is peeled off, the adhesive layer is combined with the first protective layer, and the film is attached to the cloth through the adhesive layer.

13. The film according to claim 2, characterized in that: The first protective layer can generate adhesiveness when heated, and the film is attached to the cloth by the adhesiveness of the protective layer when heated.

14. The film according to any one of claims 1 to 4, 7 to 9, 12 to 13, characterized in that: The film is cut into patterns to fit the fabric.

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