CN219752224U - Breathable TPU film - Google Patents
Breathable TPU film Download PDFInfo
- Publication number
- CN219752224U CN219752224U CN202321165367.XU CN202321165367U CN219752224U CN 219752224 U CN219752224 U CN 219752224U CN 202321165367 U CN202321165367 U CN 202321165367U CN 219752224 U CN219752224 U CN 219752224U
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- China
- Prior art keywords
- tpu
- adhesive
- layer
- utility
- substrate layer
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- 239000010410 layer Substances 0.000 claims abstract description 29
- 239000000853 adhesive Substances 0.000 claims abstract description 28
- 230000001070 adhesive effect Effects 0.000 claims abstract description 26
- 239000000758 substrate Substances 0.000 claims abstract description 26
- 239000012790 adhesive layer Substances 0.000 claims abstract description 19
- 238000009423 ventilation Methods 0.000 claims abstract description 19
- 239000011247 coating layer Substances 0.000 claims abstract description 16
- 229920000297 Rayon Polymers 0.000 claims abstract description 10
- 239000011159 matrix material Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 abstract description 4
- 238000005452 bending Methods 0.000 abstract description 3
- 239000003292 glue Substances 0.000 abstract description 3
- 239000002390 adhesive tape Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229920000715 Mucilage Polymers 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010096 film blowing Methods 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 238000010345 tape casting Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Landscapes
- Adhesive Tapes (AREA)
Abstract
The utility model discloses a breathable TPU film, which comprises a TPU substrate layer and an adhesive layer thermally bonded on the TPU substrate layer; the adhesive layer comprises a first adhesive body which is prismatic, the four sides of the first adhesive body are provided with first inclined planes, and the top surface of the first adhesive body is provided with a second arc-shaped concave surface downwards; the TPU substrate layer is provided with a first ventilation hole, the diameter from one side of the self-adhesive glue layer of the first ventilation hole to the outer side of the TPU substrate layer is sequentially reduced, the first inclined surface is provided with a TPU coating layer in a heat sealing mode, and the TPU coating layer and the TPU substrate layer are integrally formed. Compared with the prior art, the utility model has the advantages that: the utility model has simple structure, the first viscose body is prismatic table-shaped, not only can reduce consumable materials to obtain the same adhesion effect, but also can facilitate the bending adhesion of the utility model, and meanwhile, the prismatic table-shaped first viscose body can be conveniently torn off, so that the adhesion of the prismatic table-shaped first viscose body on an adhered object is reduced; the utility model has the first ventilation holes and better ventilation effect.
Description
Technical Field
The utility model belongs to the technical field of polymer films, and particularly relates to a breathable TPU film.
Background
The TPU film is a film prepared by special processes of calendaring, tape casting, film blowing, coating and the like on the basis of TPU granules. And a thickness of 0.01 to 2mm. In recent years, as new products are continuously developed, the amount of thermoplastic PU elastomer is continuously increasing, and a new industrial opportunity with low cost and high added value is created for plastic processing industry. TPU's are increasingly popular because of their superior properties and environmental protection concepts. Where PVC is used, TPU can be a substitute for PVC. However, the TPU has the advantage that PVC is very dust-prone. TPU not only has excellent high tension, toughness and ageing resistance, but also is a mature environment-friendly material. TPU has been widely used in the medical field, and it is important to obtain a breathable TPU film that overcomes the above-mentioned drawbacks, because the existing medical adhesive tape has a curved surface on the human body to which it is applied, and the adhesive is easily adhered to the skin when the existing adhesive tape is torn off, and is difficult to clean.
Disclosure of Invention
In order to solve at least one of the above technical problems, the present utility model provides a breathable TPU film, which includes a TPU substrate layer and an adhesive layer thermally bonded to the TPU substrate layer;
through the technical scheme, the adhesive layer is the material of the adhesive part of the existing wound, and the TPU film can realize the functions of partial water resistance and antibacterial.
The adhesive layer comprises a first adhesive body which is prismatic, the four sides of the first adhesive body are provided with first inclined planes, and the top surface of the first adhesive body is provided with a second arc-shaped concave surface downwards;
through the technical scheme, the second arc-shaped concave surface can be attached to the bent part, so that the contact area is increased, the fixing of the adhesive tape is facilitated, and the arrangement of the first inclined surface can prevent the adhesive layer from wrinkling when the adhesive tape is bent.
The TPU substrate layer is provided with a first ventilation hole, the diameter from one side of the self-adhesive glue layer of the first ventilation hole to the outer side of the TPU substrate layer is sequentially reduced, the first inclined surface is provided with a TPU coating layer in a heat sealing mode, and the TPU coating layer and the TPU substrate layer are integrally formed.
Through above-mentioned technical scheme, TPU coating can protect the viscose layer, and the setting of first bleeder vent can increase the gas permeability.
As the technical scheme, the first inclined surface is internally provided with a second concave cambered surface.
As the technical scheme, a plurality of first viscose bodies are uniformly distributed in a matrix. Or, the first mucilage glue bodies are radially distributed from the middle to two sides.
As the technical scheme, the circumference side of the second arc-shaped concave surface is provided with a third arc-shaped convex surface, and the third arc-shaped convex surface protrudes from the TPU coating layer.
Through above-mentioned technical scheme, the third arc convex surface can form the cavity with the cooperation of second arc concave surface for this cavity exhaust air can adsorb on the object that needs to adhere to.
As the technical scheme, the breathable TPU film further comprises first release paper and second release paper, wherein the first end of the first release paper is attached to the first end of the breathable TPU film, the first end of the second release paper is attached to the second end of the breathable TPU film, and the lengths of the first release paper and the second release paper are larger than those of the breathable TPU film.
Through the technical scheme, the first release paper and the second release paper are provided with the overlapped parts, so that the function of assisting in separating and withdrawing the release paper can be realized.
Compared with the prior art, the utility model has the advantages that: the utility model has simple structure, the first viscose body is prismatic table-shaped, not only can reduce consumable materials to obtain the same adhesion effect, but also can facilitate the bending adhesion of the utility model, and meanwhile, the prismatic table-shaped first viscose body can be conveniently torn off, so that the adhesion of the prismatic table-shaped first viscose body on an adhered object is reduced; the utility model has the first ventilation holes and better ventilation effect.
Drawings
FIG. 1 is a schematic cross-sectional view of an embodiment of the present utility model;
FIG. 2 is a front view of an embodiment of the present utility model;
FIG. 3 is a schematic diagram of a second cross-section of an embodiment of the present utility model;
FIG. 4 is a front view of a third embodiment of the present utility model;
reference numerals:
a 101-TPU substrate layer;
102-an adhesive layer; 1021-a first adhesive; 1022-first ramp; 1023-a second arcuate concave surface; 1024-a second concave cambered surface;
103-a first ventilation hole; 104-a third arcuate convex surface; 105-cavity; 106-TPU coating layer;
201-first release paper; 202-second release paper.
Detailed Description
The utility model will be described in detail below with respect to certain specific embodiments thereof in order to better understand the utility model and thereby to more clearly define the scope of the utility model as claimed. It should be noted that the following description is only some embodiments of the inventive concept and is only a part of examples of the present utility model, wherein the specific direct description of the related structures is only for the convenience of understanding the present utility model, and the specific features do not naturally and directly limit the implementation scope of the present utility model.
Embodiment one: referring to the drawings, the utility model adopts the following technical scheme that the breathable TPU film comprises a TPU substrate layer 101 and an adhesive layer 102 thermally bonded on the TPU substrate layer 101;
through the above technical scheme, the adhesive layer 102 is the material with the adhesive part of the existing wound, and the TPU film can realize the functions of partial water resistance and antibacterial.
The adhesive layer 102 includes a first adhesive body 1021, the first adhesive body 1021 is in a prismatic table shape, and four sides are provided with a first inclined surface 1022, and the top surface of the first adhesive body 1021 is provided with a second arc-shaped concave surface 1023 downwards;
through the above technical scheme, the second arc concave surface 1023 can be attached to the bent portion, so that the contact area is increased, the fixing of the utility model is facilitated, and the arrangement of the first inclined surface 1022 can prevent the adhesive layer 102 from being wrinkled and affecting the use when the utility model is bent.
The TPU substrate layer 101 is provided with a first ventilation hole 103, the diameters from one side of the self-adhesive layer 102 of the first ventilation hole 103 to the outer side of the TPU substrate layer 101 are sequentially reduced, the first inclined plane 1022 is provided with a TPU coating layer 106 in a heat sealing mode, and the TPU coating layer 106 and the TPU substrate layer 101 are integrally formed.
Through the above technical scheme, the TPU coating layer 106 can protect the adhesive layer 102, and the first ventilation holes 103 can increase ventilation property.
As the above technical solution, the plurality of first adhesive bodies 1021 are uniformly arranged in a matrix. As the above technical solution, a third arc convex surface 104 is disposed on the circumferential side of the second arc concave surface 1023, and the third arc convex surface 104 protrudes from the TPU coating layer 106.
Through the above technical solution, the third arc-shaped convex surface 104 can be matched with the second arc-shaped concave surface 1023 to form the concave cavity 105, so that the air discharged by the concave cavity 105 can be adsorbed on the object to be attached.
As the above technical scheme, the breathable TPU further comprises a first release paper 201 and a second release paper 202, wherein the first end of the first release paper 201 is attached to the first end of the breathable TPU film, the first end of the second release paper 202 is attached to the second end of the breathable TPU film, and the lengths of the first release paper 201 and the second release paper 202 are greater than those of the breathable TPU film.
Through the above technical scheme, the first release paper 201 and the second release paper 202 are provided with the overlapped parts, so that the function of assisting in separating and withdrawing the release paper can be realized.
Compared with the prior art, the utility model has the advantages that: the utility model has simple structure, the first adhesive 1021 is in a prismatic table shape, so that not only can the consumption materials be reduced to obtain the same adhesive effect, but also the bending adhesion of the utility model can be facilitated, and meanwhile, the prismatic table-shaped first adhesive 1021 can be conveniently torn off, and the adhesion of the prismatic table-shaped first adhesive 1021 on an adhered object is reduced; the utility model has the first ventilation holes 103 and has better ventilation effect.
Embodiment two: the difference between this embodiment and the first embodiment is that: the first inclined surface 1022 is provided with a second concave cambered surface 1024 inwards.
Embodiment III: a breathable TPU film comprising a TPU substrate layer 101 and an adhesive layer 102 heat sealed to the TPU substrate layer 101; the adhesive layer 102 includes a first adhesive body 1021, the first adhesive body 1021 is in a prismatic table shape, and four sides are provided with a first inclined surface 1022, and the top surface of the first adhesive body 1021 is provided with a second arc-shaped concave surface 1023 downwards;
the TPU substrate layer 101 is provided with a first ventilation hole 103, the diameters from one side of the self-adhesive layer 102 of the first ventilation hole 103 to the outer side of the TPU substrate layer 101 are sequentially reduced, the first inclined plane 1022 is provided with a TPU coating layer 106 in a heat sealing mode, and the TPU coating layer 106 and the TPU substrate layer 101 are integrally formed.
As the above technical solution, the plurality of first adhesive bodies 1021 are radially arranged from the middle to two sides.
As the above technical solution, a third arc convex surface 104 is disposed on the circumferential side of the second arc concave surface 1023, and the third arc convex surface 104 protrudes from the TPU coating layer 106.
As the above technical scheme, the breathable TPU further comprises a first release paper 201 and a second release paper 202, wherein the first end of the first release paper 201 is attached to the first end of the breathable TPU film, the first end of the second release paper 202 is attached to the second end of the breathable TPU film, and the lengths of the first release paper 201 and the second release paper 202 are greater than those of the breathable TPU film.
The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus/means 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, article, or apparatus/means.
In the description of the present utility model, terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, which indicate a direction or a positional relationship, are based on the direction or the positional relationship shown in the drawings, are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus are not to be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Thus far, the technical solution of the present utility model has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present utility model is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present utility model, and such modifications and substitutions will fall within the scope of the present utility model.
Claims (6)
1. A breathable TPU film, characterized by: comprises a TPU substrate layer (101) and an adhesive layer (102) thermally bonded on the TPU substrate layer (101),
the adhesive layer (102) comprises a first adhesive body (1021), the first adhesive body (1021) is in a prismatic table shape, the four sides of the first adhesive body are provided with first inclined surfaces (1022), and the top surface of the first adhesive body (1021) is provided with a second arc-shaped concave surface (1023) downwards;
a first ventilation hole (103) is formed in the TPU substrate layer (101), the diameters from one side of the self-adhesive layer (102) of the first ventilation hole (103) to the outer side of the TPU substrate layer (101) are sequentially reduced,
and the TPU coating layer (106) is thermally sealed on the first inclined surface (1022), and the TPU coating layer (106) and the TPU substrate layer (101) are integrally formed.
2. The breathable TPU film of claim 1 wherein: the first inclined surface (1022) is provided with a second concave cambered surface (1024) inwards.
3. The breathable TPU film of claim 1 wherein: the first viscose bodies (1021) are uniformly distributed in a matrix.
4. The breathable TPU film of claim 1 wherein: the first viscose bodies (1021) are radially distributed from the middle to two sides.
5. The breathable TPU film of claim 1 wherein: the circumference of the second arc concave surface (1023) is provided with a third arc convex surface (104), and the third arc convex surface (104) protrudes from the TPU coating layer (106).
6. The breathable TPU film of claim 1 wherein: still include first from type paper (201) and second from type paper (202), first from type paper (201) first end paste and establish ventilative type TPU film's first end, second from type paper (202) first end paste and establish ventilative type TPU film's second end, first from type paper (201) and second from type paper (202) length and be greater than ventilative type TPU film's length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321165367.XU CN219752224U (en) | 2023-05-15 | 2023-05-15 | Breathable TPU film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321165367.XU CN219752224U (en) | 2023-05-15 | 2023-05-15 | Breathable TPU film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219752224U true CN219752224U (en) | 2023-09-26 |
Family
ID=88076416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321165367.XU Active CN219752224U (en) | 2023-05-15 | 2023-05-15 | Breathable TPU film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219752224U (en) |
-
2023
- 2023-05-15 CN CN202321165367.XU patent/CN219752224U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |