CN210528852U - Adhesive tape precursor, adhesive tape assembly and daily necessities - Google Patents
Adhesive tape precursor, adhesive tape assembly and daily necessities Download PDFInfo
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- CN210528852U CN210528852U CN201921355493.5U CN201921355493U CN210528852U CN 210528852 U CN210528852 U CN 210528852U CN 201921355493 U CN201921355493 U CN 201921355493U CN 210528852 U CN210528852 U CN 210528852U
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Abstract
The utility model provides a sticky tape precursor, include the edge binder layer and sticky tape body precursor of the range upon range of setting of thickness direction of sticky tape precursor, sticky tape body precursor includes the edge the thickness direction of sticky tape body precursor stacks gradually and sets up first protective layer and elastic layer precursor, the binder layer sets up first protective layer deviates from the elastic layer precursor on the surface, just first protective layer with elastic layer precursor fixed connection, the elastic layer precursor can form after the activation and follow the length direction of sticky tape precursor has elastic layer. The utility model also provides an sticky tape, an sticky tape subassembly and daily necessities. After the daily necessities are used, the daily necessities can be wrapped by the waterproof layer, then the adhesive tape is stretched, and the waterproof layer in a wrapping state is bonded by the stretched adhesive tape, so that the dirt on the surface of the absorbent can be prevented from being directly exposed outside, and the difficulty in treatment is reduced.
Description
Technical Field
The utility model relates to an articles for daily use field specifically relates to an adhesive tape precursor, an adhesive tape, one kind include the adhesive tape subassembly of this adhesive tape and one kind include the articles for daily use of adhesive tape.
Background
Many daily articles (such as paper diapers and sanitary napkins) with absorption functions need to be discarded after use, and because a large amount of dirt exists on the surface of the used absorbent article, the environment can be polluted after the absorbent article is directly discarded, and the absorbent article is not beneficial to being treated by cleaning personnel.
Therefore, how to better treat the used absorbent becomes a technical problem to be solved in the field.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an adhesive tape precursor, an adhesive tape subassembly, one kind including this adhesive tape include adhesive tape daily necessities. After the daily necessities are used, the daily necessities can be wrapped by the waterproof layer, then the adhesive tape is stretched, and the waterproof layer in the wrapping state is bonded by the stretched adhesive tape, so that the dirt on the surface of the absorbent can be prevented from being directly exposed outside, and the difficulty in treatment is reduced.
In order to achieve the above object, as an aspect of the present invention, a tape precursor is provided, wherein the tape precursor includes an adhesive layer and a tape body precursor along the stacked arrangement of the thickness direction of the tape precursor, the tape body precursor includes an edge the thickness direction of the tape body precursor is stacked in sequence to set up a first protection layer and an elastic layer precursor, the adhesive layer is set up the first protection layer deviates from the elastic layer precursor on the surface, just the first protection layer with the elastic layer precursor fixed connection, the elastic layer precursor can be formed into following after activation the length direction of the tape precursor has an elastic layer.
Preferably, the adhesive tape body precursor further comprises a second protection layer, the second protection layer is arranged on the surface of the elastic layer precursor, which is away from the first protection layer, and the second protection layer is fixedly connected with the elastic layer precursor.
Preferably, the material of the elastic layer precursor includes thermoplastic polyurethane or styrene-isoprene-styrene.
Preferably, the thickness of the elastic layer precursor is 70% to 90% of the total thickness of the tape body precursor.
Preferably, the tape precursor further comprises a release layer, and the release layer is arranged on the surface of the second protection layer departing from the elastic layer precursor.
As a second aspect of the present invention, there is provided an adhesive tape comprising a tape body and an adhesive layer provided on at least one surface of the tape body, wherein the tape body comprises an elastic layer having elasticity in a length direction of the tape.
Preferably, the adhesive tape body comprises a first protection layer, the adhesive layer, the first protection layer and the elastic layer are stacked in the thickness direction of the adhesive tape, the first protection layer is fixedly connected with the elastic layer, and the adhesive layer is fixedly bonded with the first protection layer.
Preferably, the adhesive tape further comprises a second protective layer, the second protective layer and the first protective layer are respectively arranged on two sides of the elastic layer, and the second protective layer is fixedly connected with the elastic layer.
Preferably, the adhesive tape includes a plurality of bonding regions arranged at intervals in a width direction thereof, where the first protective layer, the elastic layer, and the second protective layer are bonded together by thermocompression bonding.
Preferably, the thickness of the elastic layer is 70% to 90% of the total thickness of the tape body.
Preferably, the material of the elastic layer comprises thermoplastic polyurethane or styrene-isoprene-styrene.
Preferably, the adhesive tape further comprises a release layer disposed at an outer side of the second protective layer.
As a third aspect of the present invention, there is provided an adhesive tape assembly, wherein the adhesive tape assembly comprises the above adhesive tape provided by the present invention.
Preferably, the tape assembly further comprises a tape core, and the tape is wound around the tape core.
As a fourth aspect of the present invention, there is provided an article of everyday use, the article of everyday use includes the article of everyday use body, the article of everyday use body includes absorbent and wrapping bag, the wrapping bag includes the water barrier and the layer that absorbs water of range upon range of setting, the water barrier with the edge sealing connection on the layer that absorbs water, the absorbent sets up the water barrier with in the confined space that the layer formed absorbs water, the absorbent is used for absorbing liquid, wherein, the article of everyday use still includes the above-mentioned sticky tape that the utility model provides, the sticky tape bonds on the surface of water barrier.
In the commodity in the unused state, the adhesive tape is bonded on the outer surface of the water-resisting layer of the commodity body, and the commodity body is maintained in a folded state, so that the storage and the accommodation can be facilitated. When the daily necessities are used, the adhesive tape is only required to be uncovered from the daily necessities body, and the daily necessities are unfolded. After use, the absorbent expands, increasing the overall thickness of the article. When the used daily necessities are discarded, the daily necessities are rolled up, then the adhesive tape is further elongated in the length direction, and the elongated adhesive tape is bonded to the expanded daily necessities body.
The water barrier still wraps up the absorbent like this, and the water barrier is outwards, avoids the absorbent layer outwards, is convenient for cleaner to collect more.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic perspective view of a tape body precursor provided by the present invention;
fig. 2 is a schematic perspective view of the adhesive tape provided by the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of the adhesive tape provided by the present invention;
FIG. 4 is a schematic view of the present invention in an unused state;
fig. 5 is a schematic view of the daily necessities provided by the utility model after use and when discarded.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
As an aspect of the present invention, there is provided an adhesive tape precursor, wherein, as shown in fig. 1, the adhesive tape precursor includes a binder layer 130 and an adhesive tape body precursor, which are stacked in sequence along the thickness direction of the adhesive tape precursor, the adhesive tape body precursor includes a first protective layer 121 and an elastic layer precursor 110 ', which are stacked in sequence along the thickness direction of the adhesive tape body precursor, the binder layer 130 is disposed on the surface of the first protective layer 121 departing from the elastic layer precursor 110 ', and the first protective layer 121 is fixedly connected to the elastic layer precursor 110 '. The elastic layer precursor 110' can be formed into an elastic layer having elasticity in the length direction of the tape precursor after activation.
The precursor of the adhesive tape body provided by the utility model can be used for manufacturing the adhesive tape. Specifically, after the elastic layer precursor of the tape body precursor is activated to obtain the elastic layer, the tape precursor can be formed into a tape having elasticity in the longitudinal direction.
By providing the first protective layer 121, it is possible to avoid directly providing an adhesive on the elastic layer precursor 110 ', and thus it is possible to protect the elastic layer precursor 110'.
Since the elastic layer precursor 110 'does not have elasticity, the adhesive layer 130 having a uniform thickness is obtained on the elastic layer precursor 110'.
The adhesive tape 100 prepared from the adhesive tape precursor provided by the utility model can be applied to daily necessities with absorption function such as sanitary towels, paper diapers and the like. Specifically, as shown in fig. 3 and 4, the daily necessities include a daily necessities body 200 and an adhesive tape 100 (the adhesive tape 100 is an adhesive tape provided by the present invention). The daily necessity body 200 includes an absorbent and a receiving bag. The bag holds includes the water barrier of range upon range of setting and the layer that absorbs water, the water barrier with the edge sealing connection on the layer that absorbs water, the absorbent sets up the water barrier with in the sealed space that the layer formed absorbs water, the absorbent is used for absorbing liquid, the utility model provides an sticky tape 100 bonds on the surface of water barrier.
In fig. 3 and 4, the daily necessities are shown in an unused state, and the adhesive tape 100 is adhered to the outer surface of the water-barrier layer of the daily necessities body 200 to maintain the daily necessities body 200 in a folded state, thereby facilitating storage and accommodation. When the daily necessity is used, the adhesive tape 100 is only required to be peeled off from the daily necessity body 200 and the daily necessity is simply unfolded. After use, the absorbent expands, increasing the overall thickness of the article. When the used daily necessities are discarded, as shown in fig. 5, the daily necessities are rolled up, and then the tape is further elongated in the longitudinal direction, and the elongated tape 100 'is bonded to the expanded daily necessity body 200'. The water barrier still wraps up the absorbent like this, and the water barrier is outwards, avoids the absorbent layer outwards, is convenient for cleaner to collect more.
In order to further protect the elastic layer precursor 110 ', preferably, the tape body precursor further includes a second protective layer 122, the second protective layer 122 is disposed on a surface of the elastic layer precursor 110 ' away from the first protective layer 121 (in other words, the second protective layer 122 and the first protective layer 121 are respectively disposed on two sides of the elastic layer precursor 110 '), and the second protective layer 122 is fixedly connected to the elastic layer 110.
In the present invention, the specific material of the elastic layer precursor is also not particularly limited, and optionally, the material of the elastic layer precursor includes thermoplastic polyurethane or styrene-isoprene-styrene.
In the present invention, there is no particular limitation on how to activate the precursor of the tape body. For example, the activation process may include:
stretching the adhesive tape precursor to 1-5 times of the original length;
and (3) loosening or relaxing the stretched adhesive tape precursor to obtain the adhesive tape body with elasticity along the length direction.
As an alternative embodiment, the thickness of the elastic layer precursor 110' is 70% to 90% of the total thickness of the tape body precursor.
For the convenience of transportation, preferably, the tape precursor further includes a release layer, the release layer is disposed on the outer side of the second protection layer, that is, the release layer is located on the surface of the second protection layer departing from the elastic layer precursor.
As a second aspect of the present invention, there is provided an adhesive tape, as shown in fig. 2, the adhesive tape includes a tape body and an adhesive layer 130, the adhesive layer 130 is disposed on at least one surface of the tape body, wherein the tape body includes an elastic layer 110, and the elastic layer 110 has elasticity in a length direction of the adhesive tape.
The adhesive tape provided by the utility model can be applied to daily necessities with absorption function such as sanitary towels, paper diapers and the like. Specifically, as shown in fig. 3 and 4, the daily necessities include a daily necessities body 200 and an adhesive tape 100 (the adhesive tape 100 is an adhesive tape provided by the present invention). The daily necessity body 200 includes an absorbent and a receiving bag. The bag holds includes the water barrier of range upon range of setting and the layer that absorbs water, the water barrier with the edge sealing connection on the layer that absorbs water, the absorbent sets up the water barrier with in the sealed space that the layer formed absorbs water, the absorbent is used for absorbing liquid, the utility model provides an sticky tape 100 bonds on the surface of water barrier.
In fig. 3 and 4, the daily necessities are shown in an unused state, and the adhesive tape 100 is adhered to the outer surface of the water-barrier layer of the daily necessities body 200 to maintain the daily necessities body 200 in a folded state, thereby facilitating storage and accommodation. When the daily necessity is used, the adhesive tape 100 is only required to be peeled off from the daily necessity body 200 and the daily necessity is simply unfolded. After use, the absorbent expands, increasing the overall thickness of the article. When the used daily necessities are discarded, as shown in fig. 5, the daily necessities are rolled up, and then the tape is further elongated in the longitudinal direction, and the elongated tape 100 'is bonded to the expanded daily necessity body 200'. The water barrier still wraps up the absorbent like this, and the water barrier is outwards, avoids the absorbent layer outwards, is convenient for cleaner to collect more.
In the present invention, the specific structure of the adhesive tape body is not particularly limited as long as the elastic layer 110 in the adhesive tape body has elasticity in the length direction of the adhesive tape. To facilitate the placement of the adhesive layer 130 on the tape body, it is preferable that the tape body includes a first protective layer 121. The adhesive layer 130, the first protective layer 121 and the elastic layer 110 are stacked along the thickness direction of the tape, the first protective layer 121 is fixedly connected with the elastic layer 110, and the adhesive layer 130 is fixedly bonded with the first protective layer 121.
By providing the first protective layer 121, it is possible to avoid directly providing an adhesive on the elastic layer 110, so that the elastic layer 110 can be protected.
In order to further protect the elastic layer 110, preferably, the adhesive tape body further includes a second protective layer 122, the second protective layer 122 and the first protective layer 121 are respectively disposed on two sides of the elastic layer 110, and the second protective layer 122 is fixedly connected to the elastic layer 110.
In the present invention, specific materials of the first protective layer 121 and the second protective layer 122 are not particularly limited, and for example, the first protective layer 121 and the second protective layer 122 may be made of a polypropylene film.
How to obtain the adhesive tape body including the elastic layer 110, the first protective layer 121 and the second protective layer 122 is not particularly limited in the present invention. As an embodiment, the adhesive tape body including the first protection layer 121, the elastic layer 110 and the second protection layer 122 can be obtained by preparing the above adhesive tape body precursor provided by the present invention, and then activating the precursor body:
obtaining a tape precursor comprising a first protective layer 121, an elastic layer precursor and a second protective layer 122 by means of extrusion, wherein the elastic layer precursor has no elasticity;
an adhesive layer is provided on the first protective layer 121;
the tape precursor is activated so that the elastic layer precursor is converted into the elastic layer 110 having elasticity in the length direction.
In the present invention, the specific steps of the activation process are not particularly limited. For example, the step of performing an activation process on the tape precursor may include:
stretching the adhesive tape precursor to 1-5 times of the original length;
and (3) loosening or relaxing the stretched adhesive tape precursor to obtain the adhesive tape with elasticity along the length direction.
Of course, the tape body can also be obtained by:
providing a first protective layer;
arranging an elastic layer precursor on the first protective layer;
arranging a second protective layer on the elastic layer precursor to obtain a tape precursor;
and carrying out hot pressing on the adhesive tape precursor at an adhesive area on the second protective layer to obtain the adhesive tape body, wherein the adhesive area is arranged at intervals along the width direction of the adhesive tape body. And the length direction of the bonding area is consistent with the width direction of the adhesive tape body, and the width direction of the bonding area is consistent with the length direction of the adhesive tape body.
In the bonding area, the first protective layer, the elastic layer and the second protective layer are locally hot-melted, so that the first protective layer, the elastic layer and the second protective layer can be bonded together. And, through carrying out the hot pressing at the bonding region that the interval set up, can make the sticky tape precursor body change into the sticky tape body that obtains elasticity along length direction.
In other words, a plurality of bonding regions are included at intervals in the width direction of the adhesive tape, where the first protective layer, the elastic layer, and the second protective layer are bonded together by thermocompression bonding. In the embodiment shown in fig. 1, the CD direction is the tape length direction and the MD direction is the tape width direction. In the embodiment shown in fig. 1, the filled portions are bond regions. In the spaced area between the bonding areas, the first protective layer 121, the elastic layer 110, and the second protective layer 122 are separated from each other.
The elastic layer 110 may be manufactured using an extrusion method, in which the MD direction is a direction in which the elastic layer 110 is extruded. There is no elasticity in the MD direction of the elastic layer 110, and therefore, the elastic layer 110 is not deformed when the adhesive is applied in the MD direction, so that the adhesive can be uniformly coated on the tape body to obtain an adhesive layer having a uniform thickness.
In the present invention, how to form the first protective layer 121 and the second protective layer 122 is not particularly limited, and for example, the first protective layer 121 may be obtained by extrusion, and the second protective layer 122 may be obtained by extrusion. Of course, the first protection layer 121 and the second protection layer 122 may be obtained by other process methods. As described above, the first protective layer 121, the elastic layer 110, and the second protective layer 122 may be laminated together by means of hot pressing. In the present invention, the hot-pressing process may be performed by using a hot-pressing patterned roller.
As an embodiment, the adhesive may be a hot melt adhesive.
In order to ensure sufficient strength and sufficient elasticity of the tape, it is preferable that the thickness of the elastic layer 110 is 70 to 90% of the total thickness of the tape body. Further preferably, the thickness of the elastic layer 110 is 80% of the total thickness of the tape body. In the preferred embodiment provided by the present invention, the thickness of the first protective layer 121 and the second protective layer 122 is 10% of the total thickness of the adhesive tape body.
As a preferred embodiment, the material of the elastic layer 110 may include thermoplastic polyurethane or styrene-isoprene-styrene.
Of course, the material of the elastic layer 110 may also be a mixture of thermoplastic polyurethane and styrene-isoprene-styrene.
After the adhesive tape body having elasticity in the length direction is manufactured, an adhesive may be coated on the outer side (i.e., the side facing away from the elastic layer 110) of the first protective layer 121, thereby obtaining an adhesive layer.
For convenience of storage, the adhesive tape may further include a release layer disposed outside the second protective layer. The adhesive tape can be stored and sold in a rolled manner, and after the release layer is arranged, the adhesive layer is adhered to the release layer when the adhesive tape is wound into a roll.
As a third aspect of the present invention, there is provided an adhesive tape assembly, wherein the adhesive tape assembly comprises the above adhesive tape provided by the present invention.
Preferably, the tape assembly further comprises a tape core, and the tape is wound around the tape core.
As a fourth aspect of the present invention, there is provided an article of everyday use, the article of everyday use includes absorbent and wrapping bag, the wrapping bag includes the water barrier and the layer that absorbs water of range upon range of setting, the water barrier with the edge sealing connection on the layer that absorbs water, the absorbent sets up the water barrier with in the confined space that the layer formed absorbs water, the absorbent is used for absorbing liquid, wherein, the article of everyday use still includes the utility model provides an above-mentioned sticky tape, the sticky tape bonds on the surface of water barrier.
As described above, the daily necessities shown in fig. 3 and 4 are in an unused state, and the adhesive tape 100 is adhered to the outer surface of the water-barrier layer of the daily necessity body 200 to maintain the daily necessity body 200 in a folded state, so that it can be easily stored and received. When the daily necessity is used, the adhesive tape 100 is only required to be peeled off from the daily necessity body 200 and the daily necessity is simply unfolded. After use, the absorbent expands, increasing the overall thickness of the article. When the used daily necessities are discarded, as shown in fig. 5, the daily necessities are rolled up, and then the tape is further elongated in the longitudinal direction, and the elongated tape 100 'is bonded to the expanded daily necessity body 200'. The water barrier still wraps up the absorbent like this, and the water barrier is outwards, avoids the absorbent layer outwards, is convenient for cleaner to collect more.
It is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (15)
1. The utility model provides a tape precursor, its characterized in that, the tape precursor includes the edge binder layer and the tape body precursor of the range upon range of setting of thickness direction of tape precursor, the tape body precursor includes the edge the range upon range of first protective layer and the elastic layer precursor of setting of thickness direction of tape body precursor, the binder layer sets up first protective layer deviates from the elastic layer precursor on the surface, just first protective layer with elastic layer precursor fixed connection, the elastic layer precursor can form after the activation and follow the length direction of tape precursor has elastic layer.
2. A tape precursor according to claim 1 wherein the tape body precursor further comprises a second protective layer disposed on a surface of the elastic layer precursor facing away from the first protective layer, the second protective layer being fixedly attached to the elastic layer precursor.
3. A tape precursor according to claim 1 or 2 wherein the material of the elastic layer precursor comprises thermoplastic polyurethane or styrene-isoprene-styrene.
4. A tape precursor according to claim 1 or 2, wherein the thickness of the elastic layer precursor is 70 to 90% of the total thickness of the tape body precursor.
5. A tape precursor according to claim 2, further comprising a release layer disposed on a surface of the second protective layer facing away from the elastic layer precursor.
6. An adhesive tape comprising a tape body and an adhesive layer provided on at least one surface of the tape body, characterized in that the tape body comprises an elastic layer having elasticity in a length direction of the tape.
7. The tape of claim 6, wherein the tape body comprises a first protective layer, the adhesive layer, the first protective layer and the elastic layer are stacked in a thickness direction of the tape, the first protective layer is fixedly connected with the elastic layer, and the adhesive layer is fixedly bonded with the first protective layer.
8. The adhesive tape of claim 7, wherein the adhesive tape body further comprises a second protective layer, the second protective layer and the first protective layer are respectively disposed on two sides of the elastic layer, and the second protective layer is fixedly connected to the elastic layer.
9. The tape of claim 8 comprising a plurality of spaced apart bond regions along a width of the tape where the first protective layer, the elastic layer and the second protective layer are bonded together by thermal compression bonding.
10. The adhesive tape according to any one of claims 6 to 9, wherein the thickness of the elastic layer is 70 to 90% of the total thickness of the adhesive tape body.
11. The adhesive tape according to any one of claims 6 to 9, wherein the material of the elastic layer comprises thermoplastic polyurethane or styrene-isoprene-styrene.
12. The adhesive tape according to claim 8 or 9, further comprising a release layer disposed outside the second protective layer.
13. An adhesive tape assembly, characterized in that it comprises an adhesive tape according to any one of claims 6 to 12.
14. The tape assembly of claim 13, wherein the tape is the tape of claim 6, further comprising a tape core, the tape being wound around the tape core.
15. An article of everyday use, the article of everyday use includes the article of everyday use body, the article of everyday use body includes absorbent article and wrapping bag, the wrapping bag includes water barrier layer and the layer that absorbs water of range upon range of setting, the edge sealing connection of water barrier layer and the layer that absorbs water, the absorbent article sets up in the sealed space that water barrier layer and the layer that absorbs water formed, the absorbent article is used for absorbing liquid, characterized in that, the article of everyday use still includes the sticky tape of any one in claim 6 to 11, the sticky tape bonds on the surface that the water barrier layer deviates from the layer that absorbs water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921355493.5U CN210528852U (en) | 2019-08-19 | 2019-08-19 | Adhesive tape precursor, adhesive tape assembly and daily necessities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921355493.5U CN210528852U (en) | 2019-08-19 | 2019-08-19 | Adhesive tape precursor, adhesive tape assembly and daily necessities |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210528852U true CN210528852U (en) | 2020-05-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921355493.5U Active CN210528852U (en) | 2019-08-19 | 2019-08-19 | Adhesive tape precursor, adhesive tape assembly and daily necessities |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210528852U (en) |
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2019
- 2019-08-19 CN CN201921355493.5U patent/CN210528852U/en active Active
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