CN216378036U

CN216378036U - Super wide high performance recoverable TPU membrane

Info

Publication number: CN216378036U
Application number: CN202123232828.4U
Authority: CN
Inventors: 高贵龙; 陈凯; 周维平
Original assignee: Zhejiang Hailide Film New Material Co ltd
Current assignee: Zhejiang Hailide Film New Material Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-04-26
Anticipated expiration: 2031-12-20

Abstract

The utility model relates to the technical field of TPU films, and discloses an ultra-wide high-performance recyclable TPU film, which comprises a TPU base layer, wherein an anti-stretching layer is arranged on the upper surface of the TPU base layer, a first waterproof layer is arranged at the bottom of the TPU base layer, a water absorbing layer is arranged at the bottom of the first waterproof layer, a washable adhesive layer is arranged at the bottom of the water absorbing layer, a water inlet hole is formed in the washable adhesive layer, and filling layers are arranged at the bottom of the first waterproof layer and the left side and the right side of the washable adhesive layer. According to the TPU film, the washable adhesive layer, the water inlet hole, the water absorbing layer, the filling layer and the indicating layer are arranged, when the TPU film is soaked in water, the upper surface of the washable adhesive layer is contacted with water through the water inlet hole and the water absorbing layer, the viscosity of the upper surface of the washable adhesive layer is reduced through water, and therefore a user can conveniently remove the washable adhesive layer from the TPU film, and the user can conveniently recover the TPU film.

Description

Super wide high performance recoverable TPU membrane

Technical Field

The utility model relates to the technical field of TPU films, in particular to an ultra-wide high-performance recyclable TPU film.

Background

The TPU is a high molecular material formed by jointly reacting and polymerizing diisocyanate molecules such as diphenylmethane diisocyanate (MDI) or Toluene Diisocyanate (TDI), etc., and macromolecular polyol and low-molecular polyol (chain extender).

TPU's are becoming increasingly popular because of their superior performance and environmental protection concepts. At present, TPU can become a substitute of PVC in places where PVC is used. The TPU film can be attached to various fabrics, and can be used for producing products with clear outlines and stable sizes by a vacuum thermoforming method. With the increasing awareness of environmental protection in China, the application of TPU is more and more extensive. The field in which the increase speed is relatively fast: vamp lining, thermal underwear, transparent shoulder strap, elastic strap and medical breathable adhesive tape.

However, at present, when the high-performance TPU film is recycled, the viscose on the TPU film is difficult to remove, so that the TPU film is troublesome to recycle.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, such as: at present, when the TPU membrane of high performance is retrieved and recycled, because the viscose on the TPU membrane is difficult to get rid of, and then it is comparatively troublesome to lead to the TPU membrane to retrieve, and the recoverable TPU membrane of super wide high performance that provides.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a recoverable TPU membrane of super wide high performance, includes the TPU basic unit, the upper surface of TPU basic unit is provided with the stretch-proofing layer, the bottom of TPU basic unit is provided with first waterproof layer, the bottom of first waterproof layer is provided with the layer that absorbs water, the bottom on the layer that absorbs water is provided with the washable glue film, the inside on washable glue film is provided with the inlet opening, the bottom of first waterproof layer and the left and right sides on washable glue film all are provided with the filling layer, the inside of TPU basic unit is provided with the pilot layer, the pilot layer is located the top of filling layer, the inside of TPU basic unit and the left and right sides of pilot layer all are provided with high temperature resistant layer, the top on stretch-proofing layer is provided with the second waterproof layer.

Preferably, the inside of the washable glue layer is provided with a flexible cloth layer.

Preferably, the upper surface of the flexible cloth layer is provided with a carbon fiber layer.

Preferably, the upper surface of the second waterproof layer is provided with a wear-resistant layer.

Preferably, the inner part of the wear-resistant layer is provided with a talc powder layer.

Preferably, the thickness of the washable glue layer is equal to that of the filling layer.

Preferably, the water inlet hole is inwards concave.

Further preferably, the water inlet hole is in a funnel shape with a small upper part and a big lower part.

Compared with the prior art, the utility model has the beneficial effects that:

(1) according to the TPU film, the washable adhesive layer, the water inlet hole, the water absorbing layer, the filling layer and the indicating layer are arranged, when the TPU film is soaked in water, the upper surface of the washable adhesive layer is contacted with water through the water inlet hole and the water absorbing layer, the viscosity of the upper surface of the washable adhesive layer is reduced through water, and therefore a user can conveniently remove the washable adhesive layer from the TPU film, and the user can conveniently recover the TPU film. The design that the water inlet hole is inwards sunken and the water inlet hole is in a funnel shape with a small upper part and a big lower part is to facilitate the realization of better water absorption effect in the soaking process. Meanwhile, the filling layer is rubber without viscosity, so that when the TPU film is adhered to an article, the filling layer is not adhered to the article, when a user needs to remove the TPU film from the article, the filling layer can be cut, one end of the TPU film is separated from the article, and the user can remove the TPU film from the article conveniently.

(2) According to the utility model, the tensile resistant layer is arranged in the TPU film, so that the TPU base layer cannot deform when a user takes off the TPU film from an article, and meanwhile, water cannot contact with the TPU base layer through the first waterproof layer and the second waterproof layer, so that the TPU base layer is prevented from being damaged due to the fact that the TPU film is soaked in the water for a long time when the washable adhesive layer is removed.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic representation of a water washable layer of the present invention;

fig. 3 is a schematic view of a wear layer according to the utility model.

In the figure: 1. a TPU base layer; 2. a stretch resistant layer; 3. a first waterproof layer; 4. a water-absorbing layer; 5. the glue layer can be washed by water; 6. a water inlet hole; 7. a filling layer; 8. an indicator layer; 9. a high temperature resistant layer; 10. a second waterproof layer; 11. a flexible cloth layer; 12. a carbon fiber layer; 13. a wear layer; 14. talc powder layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

The first embodiment is as follows:

referring to fig. 1-2, a super-wide high-performance recyclable TPU film includes a TPU base layer 1, an upper surface of the TPU base layer 1 is provided with a stretch-resistant layer 2, the TPU base layer 1 is provided with the stretch-resistant layer 2 by compounding a stretch-resistant fiber on the TPU base layer 1, and the TPU base layer 1 is provided with a strong stretch-resistant property by the stretch-resistant layer 2, so that the TPU base layer 1 is not deformed by excessive stretching when a user takes off the TPU film from an article, a first waterproof layer 3 is provided at a bottom of the TPU base layer 1, a water-absorbing layer 4 is provided at a bottom of the first waterproof layer 3, a water-washable adhesive layer 5 is provided at a bottom of the water-absorbing layer 4, a water-absorbent layer 4 is formed between the water-washable adhesive layer 5 and the first waterproof layer 3 by spraying a water-absorbent paint between the water-washable adhesive layer 5 and the first waterproof layer 3, and the upper surface of the water-washable adhesive layer 5 is sufficiently contacted with water by the water-absorbent layer 4, the inside of the washable glue layer 5 is provided with a water inlet hole 6, hydroenergy contacts with the water absorption layer 4 through the water inlet hole 6, the washable glue layer 5 is washable glue, the TPU film can be adhered to an article through the washable glue, meanwhile, when the TPU film is soaked in water, the upper surface of the washable glue layer 5 is contacted with water through the water inlet hole 6 and the water absorption layer 4, the viscosity of the upper surface of the washable glue layer 5 is reduced through water, and then the washable glue layer 5 is removed from the TPU film by a user, so that the TPU film is convenient to recycle by the user, the bottom of the first waterproof layer 3 and the left and right sides of the washable glue layer 5 are both provided with filling layers 7, the filling layers 7 and the washable glue layer 5 are in staggered distribution, the filling layers 7 are non-sticky rubber, the thickness of the washable glue layer 5 is equal to that of the filling layers 7, when the TPU film is adhered to the article, because the filling layers 7 are not adhered to the article, when a user needs to remove the TPU film from an article, one end of the TPU film can be separated from the article by cutting the filling layer 7, so that the user can conveniently remove the TPU film from the article, the indicating layer 8 is arranged inside the TPU base layer 1, the indicating layer 8 is positioned above the filling layer 7, the indicating layer 8 is formed by spraying a paint with colors, the indicating layer 8 is compounded in the TPU base layer 1, the filling layer 7 is marked through the indicating layer 8, so that the user can quickly find the position of the filling layer 7, the high temperature resistant layers 9 are arranged inside the base layer 1 and on the left side and the right side of the indicating layer 8, the high temperature resistant layers 9 and the indicating layer 8 are distributed in the TPU base layer 1 in a staggered mode, the high temperature resistant material is compounded in the TPU base layer 1, and the high temperature resistant layer 9 is formed in the TPU base layer 1, at the moment, the high temperature resistant layer 9 passes through the high temperature resistant layer 9, make TPU basic unit 1 have high temperature resistance, thereby prevent when getting rid of the water washable glue film 5 in this TPU membrane, soak in high temperature aquatic because of this TPU membrane, and lead to TPU basic unit 1 to damage, the top on stretch-proofing layer 2 is provided with second waterproof layer 10, through with water proof coating spraying in this TPU membrane, and form first waterproof layer 3 and second waterproof layer 10 in this TPU membrane, at this moment, through first waterproof layer 3 and second waterproof layer 10, make water unable and TPU basic unit 1 contact, and then prevent when getting rid of water washable glue film 5, soak in the aquatic because of this TPU membrane for a long time, and lead to TPU 1 to damage. In addition, the following should be noted: the width of the TPU film is generally less than 1.8m, and the super-width is used for the film with the width more than 1.8m in engineering so as to better ensure the function extension of the multilayer structure of the washable glue layer, the water inlet hole, the water absorption layer, the filling layer and the indicating layer.

Example two:

referring to fig. 1 to 3, a flexible cloth layer 11 is disposed inside the washable adhesive layer 5, the washable adhesive layer 5 is not easily broken by compounding the flexible cloth into the washable adhesive layer 5, so as to prevent the washable adhesive layer 5 from being easily broken by a user when the washable adhesive layer 5 is removed from the TPU film, the washable adhesive layer 5 is troublesome to remove, a carbon fiber layer 12 is disposed on an upper surface of the flexible cloth layer 11, the flexible cloth layer 11 has high strength under the action of the carbon fiber layer 12 by restoring carbon fibers on the flexible cloth layer 11 and forming a carbon fiber layer 12 on the flexible cloth layer 11, so that the flexible cloth layer 11 is not broken due to excessive stretching, a wear-resistant layer 13 is disposed on an upper surface of the second waterproof layer 10, wear-resistant paint is sprayed on the TPU film, and a wear-resistant layer 13 is formed on a surface of the TPU film, the surface of the TPU film has strong wear resistance under the action of the wear-resistant layer 13, so that the TPU film is not easy to wear or scratch in the transportation or use process, the talc powder layer 14 is arranged inside the wear-resistant layer 13, the talc powder layer 14 is talc powder, the wear-resistant layer 13 has high flexibility by compounding the talc powder in the wear-resistant layer 13, and the surface of the wear-resistant layer 13 is smooth.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. The utility model provides a recoverable TPU membrane of super wide high performance, includes TPU basic unit (1), its characterized in that, the upper surface of TPU basic unit (1) is provided with stretch-proofing layer (2), the bottom of TPU basic unit (1) is provided with first waterproof layer (3), the bottom of first waterproof layer (3) is provided with layer (4) that absorbs water, the bottom that absorbs water layer (4) is provided with washable glue film (5), the inside of washable glue film (5) is provided with inlet opening (6), the bottom of first waterproof layer (3) and the left and right sides of washable glue film (5) all are provided with filling layer (7), the inside of TPU basic unit (1) is provided with indicator layer (8), indicator layer (8) are located the top of filling layer (7), the inside of TPU basic unit (1) and the left and right sides of indicator layer (8) all are provided with high temperature resistant layer (9), and a second waterproof layer (10) is arranged above the anti-stretching layer (2).

2. Ultra-wide high performance recyclable TPU film according to claim 1, characterized in that the washable glue layer (5) is provided with a flexible cloth layer (11) inside.

3. An ultra-wide high performance recyclable TPU film as described in claim 2 wherein the upper surface of the flexible cloth layer (11) is provided with a carbon fiber layer (12).

4. Ultra-wide high performance recyclable TPU film according to claim 1, characterized in that the upper surface of the second waterproof layer (10) is provided with a wear layer (13).

5. Ultra-wide high performance recyclable TPU film according to claim 4, characterized in that the wear layer (13) is provided with a talc powder layer (14) inside.

6. An ultra-wide high performance recyclable TPU film as described in claim 1 wherein the thickness of the washable glue layer (5) is equal to the thickness of the filler layer (7).

7. An ultra-wide high performance recyclable TPU film as described in claim 1 wherein the water inlet hole (6) is recessed.

8. An ultra-wide high performance recyclable TPU film as described in claim 1 wherein the water inlet (6) is funnel shaped with a small top and a large bottom.