CN218435573U

CN218435573U - TPU foaming high-low temperature film with ventilation function

Info

Publication number: CN218435573U
Application number: CN202222745959.0U
Authority: CN
Inventors: 李锋
Original assignee: Guangdong Zhongding Technology Development Co ltd
Current assignee: Guangdong Zhongding Technology Development Co ltd
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2023-02-03
Anticipated expiration: 2032-10-18

Abstract

The utility model relates to a TPU technical field, concretely relates to TPU foaming high low temperature membrane with ventilation function, including ventilative waterproof membrane layer, TPU foaming film layer, netted hot melt adhesive layer and protective layer, TPU foaming film layer sets up in the lower surface of PU coating, netted hot melt adhesive layer sets up in the lower surface of TPU foaming film layer, the protective layer sets up in the lower surface of netted hot melt adhesive layer, TPU foaming film layer is provided with the air passing hole that a plurality of intervals set up, air passing hole runs through the upper surface and the lower surface of TPU foaming film layer. The breathable waterproof membrane layer, the TPU foamed membrane layer and the reticular hot melt adhesive layer have good breathable functions, the protective membrane can be removed when the breathable waterproof membrane layer, the TPU foamed high-temperature and low-temperature membrane layer is attached to a vamp material or other products through the reticular hot melt adhesive layer; the TPU foamed high-low temperature film has a simple structure, has the advantages of softness, good elasticity and the like, has good air permeability and water resistance, and is convenient to use.

Description

TPU foaming high-low temperature film with ventilation function

Technical Field

The utility model relates to a TPU technical field, concretely relates to TPU foaming high low temperature membrane with ventilation function.

Background

The TPU high-low temperature film in the prior art mainly comprises a high-temperature layer with a higher melting point and a low-temperature layer with a lower melting point, wherein the high-temperature side is mainly used for the surface, and the low-temperature side is mainly used for bonding with other materials. At present, TPU high-low temperature films are widely applied to various fabrics such as shoe materials, clothes, bags and the like. However, when the existing TPU high-temperature and low-temperature film is used on some products such as vamps, the vamps are difficult to ventilate due to poor waterproof and ventilation effects, and the wearing comfort is influenced; although some vamps are breathable, water is easy to enter when the vamps are used in outdoor activities or other humid environments in rainy days, and great inconvenience is caused. Chinese patent No. CN 206101799U discloses a seamless integrated high-low temperature film vamp, which is composed of an integrated vamp body, and the integrated vamp body is formed by bonding three layers, in sequence, a surface layer is a TPU thin layer, a middle layer is a hot melt film layer, and a bottom layer is a shoe material underlayer; the shoe material bottom base layer is made of mesh fabric materials (single-layer mesh fabric, double-layer mesh fabric and sandwich mesh fabric) or knitted materials or leather materials, different bottom base materials have different characteristics, such as ventilation and softness of mesh fabric and softness and high strength of leather, however, the high-low temperature membrane vamp cannot well give consideration to waterproof and breathable performances and is to be further improved.

Disclosure of Invention

In order to overcome the shortcoming and the insufficiency that exist among the prior art, the utility model aims to provide a TPU foaming high low temperature membrane with ventilation function, this TPU foaming high low temperature membrane with ventilation function simple structure has good ventilative waterproof performance, convenient to use.

In order to solve the technical problem, the utility model discloses a following technical scheme: the utility model provides a TPU foaming high low temperature membrane with ventilative function, includes ventilative waterproof rete, TPU foaming rete, netted hot melt adhesive layer and protective layer, TPU foaming rete sets up in the lower surface of PU coating, netted hot melt adhesive layer sets up in the lower surface of TPU foaming rete, the protective layer sets up in the lower surface of netted hot melt adhesive layer, TPU foaming rete is provided with the air passing hole that a plurality of intervals set up, air passing hole runs through the upper surface and the lower surface of TPU foaming rete.

Furthermore, the breathable waterproof film layer is a PU waterproof breathable waterproof film layer.

Furthermore, the breathable waterproof film layer is provided with a plurality of air holes arranged at intervals, and the air holes penetrate through the upper surface and the lower surface of the breathable waterproof film layer.

Furthermore, the reticular hot melt adhesive layer is a TPU reticular adhesive layer, an EVA reticular adhesive layer, a PA reticular adhesive layer or a PES reticular adhesive layer.

Furthermore, the reticular hot melt adhesive layer is provided with a plurality of mesh holes arranged at intervals, and the mesh holes penetrate through the upper surface and the lower surface of the reticular hot melt adhesive layer.

Further, the protective layer is a release film.

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

Furthermore, a noctilucent part is arranged on the upper surface of the breathable waterproof membrane layer.

The utility model has the advantages that: the TPU foamed high-low temperature film has good ventilation function through the breathable waterproof film layer, the TPU foamed film layer, the reticular hot melt adhesive layer and the protective layer which are arranged from top to bottom in sequence, the protective layer can realize good protection effect on the reticular hot melt adhesive layer, the protective film can be removed when the TPU foamed high-low temperature film is used, and the TPU foamed high-low temperature film is adhered to a vamp material or other products through the reticular hot melt adhesive layer; the utility model discloses a TPU foaming high low temperature membrane simple structure when having advantages such as softness, elasticity are good, has good ventilative waterproof performance, convenient to use, and the practicality is strong.

Drawings

Fig. 1 is a cross-sectional view of the TPU foaming high and low temperature film of the present invention.

Fig. 2 is a top view of the TPU foamed high and low temperature film of the present invention.

The reference numerals include:

11-breathable waterproof film layer, 12-TPU foamed film layer, 13-reticular hot melt adhesive layer, 14-protective layer and 15-noctilucent part.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and accompanying drawings, which are not intended to limit the present invention.

Example 1

As shown in figure 1, a TPU foaming high low temperature membrane with ventilative function, including ventilative waterproof rete 11, TPU foaming rete 12, netted hot melt adhesive layer 13 and protective layer 14, TPU foaming rete 12 sets up in the lower surface of PU coating, netted hot melt adhesive layer 13 sets up in TPU foaming rete 12's lower surface, protective layer 14 sets up in netted hot melt adhesive layer 13's lower surface, TPU foaming rete 12 is provided with the gas through hole of crossing that a plurality of intervals set up, it runs through TPU foaming rete 12's upper surface and lower surface to cross the gas through hole, and TPU foaming rete 12 has a plurality of ventilative micropores promptly. The waterproof membrane layer 11 of breathing freely of this embodiment is equipped with the bleeder vent that a plurality of intervals set up, the upper surface and the lower surface of waterproof membrane layer 11 of breathing freely are run through to the bleeder vent. The reticular hot melt adhesive layer 13 is provided with a plurality of mesh holes arranged at intervals, and the mesh holes penetrate through the upper surface and the lower surface of the reticular hot melt adhesive layer 13. The air holes of the breathable waterproof film layer 11, the air through holes of the TPU foaming film layer 12 and the mesh holes of the mesh hot melt adhesive layer 13 can be communicated with each other.

The utility model discloses a TPU foaming high low temperature membrane is through setting gradually ventilative waterproof rete 11, TPU foaming rete 12, netted hot melt adhesive layer 13 and protective layer 14 from top to bottom, and ventilative waterproof rete 11, TPU foaming rete 12, netted hot melt adhesive layer 13 all have good ventilation function, the bleeder vent of ventilative waterproof rete 11, the air vent hole of crossing of TPU foaming rete 12 and the netted line hole of netted hot melt adhesive layer 13 can communicate each other to make TPU foaming high low temperature membrane wholly have good ventilation function. The protective layer 14 can realize good protective effect to the netted hot melt adhesive layer 13, can get rid of the protection film during the use, passes through netted hot melt adhesive layer 13 with TPU foaming high low temperature membrane and laminates on upper of a shoe material or other products. The melting points of the breathable waterproof film layer 11 and the TPU foaming film layer 12 are higher than that of the reticular hot melt adhesive layer 13. The air-permeable waterproof film layer 11 has a good waterproof and air-permeable function. The utility model discloses a TPU foaming high low temperature membrane simple structure when having advantages such as softness, elasticity are good, has good ventilative waterproof performance, convenient to use, and the practicality is strong. Further, the protective layer 14 is a release film.

Further, the air-permeable and waterproof membrane layer 11 is a PU waterproof air-permeable and waterproof membrane layer 11. The PU breathable waterproof film layer 11 adopted in the embodiment is made of the PU breathable waterproof film layer 11 existing in the prior art, and the TPU foamed film layer 12 is made of the TPU foamed material in the prior art and is used as an application.

Furthermore, the reticular hot melt adhesive layer 13 is a TPU reticular adhesive layer, an EVA reticular adhesive layer, a PA reticular adhesive layer or a PES reticular adhesive layer. The utility model discloses a TPU net glue film, the netted glue film of EVA, the netted glue film of PA or the netted glue film of PES can adopt TPU net hot melt adhesive, EVA hot melt adhesive, PA hot melt adhesive and PES hot melt adhesive among the prior art to make. The reticular hot melt adhesive layer 13 can firmly bond the TPU foamed high-low temperature film on the surface of a vamp material or other products, and the reticular pores of the reticular hot melt adhesive layer 13 have good air permeability. Furthermore, the aperture of the mesh holes is larger than that of the air holes. The aperture of the mesh hole is large, good air permeability is achieved while the cohesiveness is considered, and the aperture of the air hole is set to be good waterproof property while the air permeability is achieved.

Further, the release film is a PE release film or an OPP release film. Before the TPU foaming high-low temperature film is used, the release film is adopted, the reticular hot melt adhesive layer 13 can be protected, and the release film can be conveniently torn off during use, so that the TPU foaming high-low temperature film is convenient to transport and store and has good reliability.

Example 2

In this embodiment, the upper surface of the air-permeable waterproof film layer 11 is provided with a noctilucent part 15. The noctilucent part 15 does not completely cover the upper surface of the breathable waterproof membrane layer 11. Namely, a noctilucent part 15 is arranged on a partial area of the upper surface of the breathable waterproof film layer 11. Because the setting of above-mentioned structure for the TPU foaming high low temperature membrane that has ventilative function can give out light at night or in the not good environment of light, plays good sign effect, improves visual effect, helps realizing the diversification of product function. When the TPU foaming high-low temperature film is applied to the vamp, the vamp has the identification function when a user performs outdoor activities at night, the collision of pedestrians or vehicles is prevented, and the use safety is improved. The upper surface of the air-permeable waterproof film layer 11 of the present embodiment is provided with the night light part 15 only in a partial area, and the other part is not provided with the night light part 15. The noctilucent part 15 only covers part of the upper surface of the breathable waterproof film layer 11, so that the TPU foamed high-low temperature film has good waterproof and breathable properties and plays a role in marking. Furthermore, the noctilucent part 15 is a noctilucent TPU high-low temperature membrane, and the noctilucent TPU high-low temperature membrane is attached to the surface of the breathable waterproof membrane layer 11. The noctilucent TPU high-low temperature membrane comprises a noctilucent TPU surface membrane layer and a hot melt adhesive bonding layer, and the hot melt adhesive bonding layer is bonded on the upper surface of the breathable waterproof membrane layer 11. In this embodiment, the luminous powder is embedded in the surface film layer of the luminous TPU. The noctilucent TPU surface film layer can be made of noctilucent TPU film materials in the prior art. The hot melt adhesive bonding layer can be made of hot melt adhesive materials in the prior art.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention, and it is to be understood that the present invention is not limited to the above embodiments, but may be modified within the scope of the present invention.

Claims

1. The TPU foaming high-low temperature film with the ventilation function is characterized in that: including ventilative waterproof rete, TPU foaming film layer, netted hot melt adhesive layer and protective layer, TPU foaming film layer sets up in the lower surface of PU coating, netted hot melt adhesive layer sets up in the lower surface of TPU foaming film layer, the protective layer sets up in netted hot melt adhesive layer's lower surface, TPU foaming film layer is provided with the air passing hole that a plurality of intervals set up, air passing hole runs through the upper surface and the lower surface of TPU foaming film layer.

2. The breathable TPU foamed high and low temperature film according to claim 1, wherein: the breathable waterproof film layer is a PU waterproof breathable waterproof film layer.

3. The TPU foamed high and low temperature film with breathable function of claim 1, characterized in that: the breathable waterproof film layer is provided with a plurality of air holes which are arranged at intervals, and the air holes penetrate through the upper surface and the lower surface of the breathable waterproof film layer.

4. The breathable TPU foamed high and low temperature film according to claim 1, wherein: the reticular hot melt adhesive layer is a TPU reticular adhesive layer, an EVA reticular adhesive layer, a PA reticular adhesive layer or a PES reticular adhesive layer.

5. The TPU foamed high and low temperature film with breathable function of claim 1, characterized in that: the protective layer is a release film.

6. The breathable TPU foamed high and low temperature film according to claim 5, wherein: the release film is a PE release film or an OPP release film.