CN219279781U

CN219279781U - Self-repairing TPU high-low temperature film

Info

Publication number: CN219279781U
Application number: CN202223195028.4U
Authority: CN
Inventors: 李锋
Original assignee: Guangdong Zhongding Technology Development Co ltd
Current assignee: Guangdong Zhongding Technology Development Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-06-30
Anticipated expiration: 2032-11-28

Abstract

The utility model relates to the technical field of TPU (thermoplastic polyurethane), in particular to a self-repairing TPU high-low temperature film. The self-repairing TPU high-low temperature film comprises a TPU carrier layer, a self-repairing film layer, a decoration layer, a hot melt adhesive layer and a release film layer, wherein the decoration layer is arranged on the upper surface of the TPU carrier layer, the self-repairing film layer is arranged on the upper surface of the decoration layer, the hot melt adhesive layer is arranged on the lower surface of the TPU carrier layer, and the release film layer is arranged on the lower surface of the hot melt adhesive layer. The TPU high-low temperature film has the advantages of good elasticity and excellent mechanical property, has good self-repairing function and decoration, can be automatically repaired in a short time when scratches are generated, and has a simple structure and is convenient to use.

Description

Self-repairing TPU high-low temperature film

Technical Field

The utility model relates to the technical field of TPU (thermoplastic polyurethane), in particular to a self-repairing TPU high-low temperature film.

Background

At present, TPU high-low temperature films have been widely applied, have the characteristics of softness, good elasticity, excellent mechanical properties and the like, and can be applied to various fabrics such as clothes, bags, tents, shoe materials, and the like and other products. The TPU high-low temperature film has different melting points on two sides, mainly comprises a high-temperature layer with a higher melting point and a low-temperature layer with a lower melting point, is mainly used for being bonded with other materials, can be used as a carrier or a surface layer, is applied to the surface of a product, improves the performance of the product, such as corrosion resistance, impact resistance, wear resistance and the like, and can play a role in protecting the product. However, the existing TPU high-low temperature film is easy to crack or damage the appearance in the use process. The Chinese patent with the patent number of CN 202507634U discloses a high-low temperature film, which comprises a high-temperature layer and a low-temperature layer, wherein the high-temperature layer is made of TPU material with higher melting point, the low-temperature layer is made of TPU material with lower melting point, when the high-low temperature film is required to be compounded on a vamp, the high-low temperature film is heated, the heating temperature is between the melting points of the high-temperature layer and the low-temperature layer, and the low-temperature layer is molten, so that the high-low temperature film and the vamp can be compounded well, the structure is simple, the compounding is easy, and the wear resistance is good. However, the high-low temperature film has good wear resistance, and the surface of the film has no self-repairing function, the decoration is to be improved, and the function is single.

Disclosure of Invention

In order to overcome the defects and the shortcomings in the prior art, the utility model aims to provide the self-repairing TPU high-low temperature film which has good self-repairing function and decoration, and is simple in structure and convenient to use.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a self-repairing TPU high low temperature membrane, includes TPU carrier layer, self-repairing rete, decorative layer, hot melt adhesive layer and from the type rete, the decorative layer sets up in the upper surface of TPU carrier layer, the self-repairing rete sets up in the upper surface of decorative layer, the hot melt adhesive layer sets up in the lower surface of TPU carrier layer, from the type rete setting in the lower surface of hot melt adhesive layer.

Further, the decorative layer is a color grain layer, the upper surface of the color grain layer is connected with the lower surface of the self-repairing film layer, and the lower surface of the color grain layer is connected with the upper surface of the TPU carrier layer.

Further, the self-repairing TPU high-low temperature film further comprises a protective layer, and the protective layer is arranged on the upper surface of the self-repairing film layer.

Further, the protective layer is a PET protective layer.

Further, the self-repairing film layer is an aliphatic polyurethane self-repairing film layer.

Further, the self-repairing film layer is a transparent self-repairing film layer or a semitransparent self-repairing film layer.

Further, the hot melt adhesive layer is a TPU hot melt adhesive layer.

Further, the release film layer is a PE release film layer or an OPP release film layer.

The utility model has the beneficial effects that: the TPU high-low temperature film comprises a self-repairing film layer, a decorative layer, a TPU carrier layer, a hot melt adhesive layer and a release film layer which are sequentially arranged from top to bottom, wherein the self-repairing film layer has a good self-repairing function, can be automatically repaired in a short time when scratches are generated, and is beneficial to improving the good performances of elasticity, impact resistance and the like of the high-low temperature film, and the hot melt adhesive layer can firmly adhere the self-repairing TPU high-low temperature film to the surface of a product; the TPU high-low temperature film has the advantages of good elasticity and excellent mechanical property, has good self-repairing function and decoration, can be automatically repaired in a short time when scratches are generated, and has a simple structure and is convenient to use.

Drawings

FIG. 1 is a cross-sectional view of the TPU high and low temperature film of the present utility model.

The reference numerals include:

11-self-repairing film layer, 12-decorative layer, 13-TPU carrier layer, 14-hot melt adhesive layer, 15-release film layer and 16-protective layer.

Detailed Description

The present utility model will be further described with reference to examples and drawings, which are not intended to be limiting, for the understanding of those skilled in the art.

Example 1

As shown in fig. 1, a self-repairing TPU high-low temperature film comprises a TPU carrier layer 13, a self-repairing film layer 11, a decoration layer 12, a hot melt adhesive layer 14 and a release film layer 15, wherein the decoration layer 12 is arranged on the upper surface of the TPU carrier layer 13, the self-repairing film layer 11 is arranged on the upper surface of the decoration layer 12, the hot melt adhesive layer 14 is arranged on the lower surface of the TPU carrier layer 13, and the release film layer 15 is arranged on the lower surface of the hot melt adhesive layer 14.

The TPU high-low temperature film comprises a self-repairing film layer 11, a decorative layer 12, a TPU carrier layer 13, a hot melt adhesive layer 14 and a release film layer 15 which are sequentially arranged from top to bottom, wherein the self-repairing film layer 11 has a good self-repairing function, and can be automatically repaired in a short time when scratches are generated; the decorative layer 12 can be provided with different colors, patterns and shapes according to the requirements, the TPU carrier layer 13 is beneficial to improving the good elasticity, impact resistance and other performances of the high-low temperature film, and the hot melt adhesive layer 14 can firmly adhere the self-repairing TPU high-low temperature film to the surface of a product; the TPU high-low temperature film has the advantages of good elasticity and excellent mechanical property, has good self-repairing function and decoration, can be automatically repaired in a short time when scratches are generated, and has a simple structure and is convenient to use.

Further, the decorative layer 12 is a color texture layer, the upper surface of the color texture layer is connected with the lower surface of the self-repairing film layer 11, and the lower surface of the color texture layer is connected with the upper surface of the TPU carrier layer 13. According to the embodiment, the color grain layer is arranged between the self-repairing film layer 11 and the TPU carrier layer 13, and textures and different colors on the surface of the color grain layer can be changed as required, so that the self-repairing TPU high-low temperature film has a stereoscopic impression, a good visual effect is presented, and the product quality is improved.

Further, the self-repairing TPU high-low temperature film further comprises a protective layer 16, and the protective layer 16 is arranged on the upper surface of the self-repairing film layer 11. Still further, the protective layer 16 is a PET protective layer 16. By using the protective layer 16, good protection of the self-healing TPU high and low temperature film can be achieved during storage or transportation, preventing the TPU high and low temperature film from being damaged.

Further, the self-repairing film 11 is an aliphatic polyurethane self-repairing film 11. The aliphatic polyurethane adopted by the self-repairing film 11 in the embodiment has good stability, can be suitable for occasions which need to be stable to ultraviolet light or sunlight, has lasting adhesive force under severe conditions, and has good yellowing resistance and self-repairing function. The aliphatic polyurethane self-repairing film 11 of the present embodiment adopts aliphatic polyurethane in the prior art, and is applied in the present embodiment.

Further, the self-repairing film 11 is a transparent self-repairing film 11 or a semitransparent self-repairing film 11. Through adopting transparent self-repairing film 11 or semitransparent self-repairing film 11, laminate mutually with setting up in the decorative layer 12 of its lower surface for TPU high low temperature film can present different textures, colour and pattern as required, promotes the visual effect of product.

Further, the hot melt adhesive layer 14 is a TPU hot melt adhesive layer 14. The TPU hot-melt adhesive layer 14 is adopted to firmly bond the self-repairing TPU high-low temperature film on the surface of a product, and the TPU carrier layer 13 is matched with the TPU hot-melt adhesive layer 14, the self-repairing film layer 11 and the like, so that the TPU high-low temperature film has the advantages of softness, elasticity, three-dimensional effect, convenience in use and the like.

Further, the release film layer 15 is a PE release film layer 15 or an OPP release film layer 15. Before the TPU high-low temperature film is used, the release film is adopted to protect the hot melt adhesive layer 14, and the release film layer 15 can be conveniently torn off during use, so that the TPU high-low temperature film is convenient to transport and store, and the use reliability is improved.

Example 2

In this embodiment, the decorative layer 12 is a noctilucent decorative layer 12 or a reflective decorative layer 12. Through setting up night light decorative layer 12 or reflection of light decorative layer 12 for self-repairing TPU high low temperature membrane can give out light at night or in the not good environment of light, plays good marking effect, helps promoting the diversification of product function, improves safety in utilization, decorative and practicality. In this embodiment, the noctilucent decorative layer 12 or the reflective decorative layer 12 is embedded with noctilucent powder or reflective powder. The luminous decorative layer 12 or the reflective decorative layer 12 is made of paint or ink in the prior art, and is used herein.

The foregoing is merely exemplary of the present utility model, and those skilled in the art should not be considered as limiting the utility model, since modifications may be made in the specific embodiments and application scope of the utility model in light of the teachings of the present utility model.

Claims

1. A self-healing TPU high and low temperature film, characterized by: the novel self-repairing Thermoplastic Polyurethane (TPU) carrier layer comprises a TPU carrier layer, a self-repairing film layer, a decorative layer, a hot melt adhesive layer and a release film layer, wherein the decorative layer is arranged on the upper surface of the TPU carrier layer, the self-repairing film layer is arranged on the upper surface of the decorative layer, the hot melt adhesive layer is arranged on the lower surface of the TPU carrier layer, and the release film layer is arranged on the lower surface of the hot melt adhesive layer.

2. The self-healing TPU high and low temperature film according to claim 1, wherein: the decorative layer is a color grain layer, the upper surface of the color grain layer is connected with the lower surface of the self-repairing film layer, and the lower surface of the color grain layer is connected with the upper surface of the TPU carrier layer.

3. The self-healing TPU high and low temperature film according to claim 1, wherein: the self-repairing TPU high-low temperature film further comprises a protective layer, and the protective layer is arranged on the upper surface of the self-repairing film layer.

4. A self-healing TPU high and low temperature film according to claim 3, wherein: the protective layer is a PET protective layer.

5. The self-healing TPU high and low temperature film according to claim 1, wherein: the self-repairing film layer is an aliphatic polyurethane self-repairing film layer.

6. The self-healing TPU high and low temperature film according to claim 1, wherein: the self-repairing film layer is a transparent self-repairing film layer or a semitransparent self-repairing film layer.

7. The self-healing TPU high and low temperature film according to claim 1, wherein: the hot melt adhesive layer is a TPU hot melt adhesive layer.

8. The self-healing TPU high and low temperature film according to claim 1, wherein: the release film layer is a PE release film layer or an OPP release film layer.