CN210481272U - Flexible double-sided adhesive tape - Google Patents
Flexible double-sided adhesive tape Download PDFInfo
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- CN210481272U CN210481272U CN201921225898.7U CN201921225898U CN210481272U CN 210481272 U CN210481272 U CN 210481272U CN 201921225898 U CN201921225898 U CN 201921225898U CN 210481272 U CN210481272 U CN 210481272U
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Abstract
The utility model relates to a flexible double faced adhesive tape, include first transparent PET layer and the transparent PET layer of second through the mutual laminating of high polyacrylic acid gluing agent layer, first transparent PET layer is kept away from the one side on the transparent PET layer of second and the transparent PET layer of second is kept away from the one side on first transparent PET layer is equipped with first acrylic acid gluing agent layer and second acrylic acid gluing agent layer respectively, the thickness on first transparent PET layer is 25 mu m, the thickness on the transparent PET layer of second is 38 mu m, the stickness on first acrylic acid gluing agent layer and second acrylic acid gluing agent layer is different. The utility model discloses a double faced adhesive tape is flexible good, and the two sides has different bonding strength.
Description
Technical Field
The utility model relates to a double faced adhesive tape field especially relates to a flexible double faced adhesive tape.
Background
With the development and progress of society, the adhesive tape has been developed rapidly, and the application thereof is very wide, such as being used for sealing, fixing and protecting various products, providing protection in the production process, and being used for framework bonding of various materials such as metal, plastic, glass, ceramic and the like. In the electronic industry, the conventional electronic product is assembled by fixing screws, which has some disadvantages, such as: the thinning degree is limited, the assembly is complicated, the production efficiency is low, and the like. In recent years, electronic manufacturing industry has come to use electronic tapes to replace screws to assemble the electronic tapes, which has raised the surge of the application of the tapes in the electronic industry.
Currently, film-based adhesive tape products generally use film materials such as CPP, OPP, PE, PVC, PI, etc. as a substrate, and then coat an adhesive on one or both surfaces thereof, and finally attach a layer of release material on the surface of the adhesive to obtain a single-sided adhesive tape or a double-sided adhesive tape. However, the adhesive tapes have different weaknesses, for example, the design of the adhesive tapes with the same thickness is hard in material or insufficient in temperature resistance; meanwhile, when the release material is torn off, a large amount of static electricity is generated, which causes abnormal electrostatic adsorption of the ash layer and electrostatic damage.
Therefore, there is a need to develop a tape that meets the temperature resistance requirement, has a certain flexibility, does not generate static electricity when in use, and has the functions of adhesion and removable adhesion to meet the use requirement of the market.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model aims at providing a flexible double-sided adhesive tape, the utility model discloses a double-sided adhesive tape is flexible good, and the two sides have different bonding strength.
The utility model discloses a flexible double faced adhesive tape, including the composite substrate layer, the composite substrate layer includes first transparent PET layer and the transparent PET layer of second of laminating each other through high acrylic acid gluing agent layer, first transparent PET layer is kept away from the one side on the transparent PET layer of second and the transparent PET layer of second is kept away from the one side on first transparent PET layer is equipped with first acrylic acid gluing agent layer and second acrylic acid gluing agent layer respectively, the thickness on first transparent PET layer is 25 μm, the thickness on the transparent PET layer of second is 38 μm, the stickness on first acrylic acid gluing agent layer and second acrylic acid gluing agent layer is different.
Further, the thickness of the high-viscosity acrylic adhesive layer was 15 μm.
Further, a first acrylic acid adhesive layer is kept away from one side of first transparent PET layer is equipped with in proper order that first from type membrane functional coating, first antistatic functional coating and first from type rete.
Further, the thickness of the first release film functional coating is 0.1-0.2 μm.
Further, the thickness of the first antistatic functional coating is 0.1-0.2 μm.
Further, the first release film layer is transparent, the thickness of the first release film layer is 0.1-0.2 μm, and the first release film layer is made of PET.
Further, one side, away from the second transparent PET layer, of the second acrylic acid adhesive layer is sequentially provided with a second release film functional coating, a second anti-static functional coating and a second release film layer.
Further, the thickness of the second release film functional coating is 0.1-0.2 μm.
Further, the second antistatic functional coating has a thickness of 0.1 to 0.2 μm.
Further, the second release film layer is transparent, the thickness of the second release film layer is 0.1-0.2 μm, and the second release film layer is made of PET.
Furthermore, the viscosity of the first acrylic adhesive layer is lower than that of the second acrylic adhesive layer, and the first acrylic adhesive layer is composed of a plurality of dot-shaped units which are arranged at intervals.
Through setting up first and the second anti static function coating, avoided tearing first and the second from the type electrostatic generation that causes of membrane.
Borrow by above-mentioned scheme, the utility model discloses at least, have following advantage:
the utility model discloses utilize the first transparent PET layer of high polyacrylic acid gluing agent layer laminating and the transparent PET layer of second as compound substrate layer, replace the individual layer PET layer that thickness was 63 μm originally, divide into two thin-layer PET with the substrate layer that thickness is thicker originally to adopt gluing agent layer to laminate, under the prerequisite that reaches thickness, make the sticky tape satisfy sufficient compliance.
On the premise that the flexibility of the adhesive tape is increased, when the PET layer is compounded with the release film, a thicker adhesive does not need to be coated, the use of the adhesive is reduced, the production cost is reduced, and meanwhile, the adhesive overflow risk caused by thick adhesive coating is also avoided.
Set up the first acrylic acid gluing agent layer and the second acrylic acid gluing agent layer that have different viscosities respectively on the two sides of composite substrate layer, make the utility model discloses have one side and glue the fastness, the one side has the function of pasting the removal. The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
Fig. 1 is a schematic structural view of the flexible double-sided adhesive tape of the present invention after being rolled;
FIG. 2 is a schematic cross-sectional view of the flexible double-sided adhesive tape of the present invention;
FIG. 3 is a schematic top view of a first acrylic adhesive layer;
description of reference numerals:
1-flexible double-sided adhesive tape; 10-a first transparent PET layer; 11-a first acrylic adhesive layer; 12-a first release film functional coating; 13-a first antistatic functional coating; 14-a first release film layer; 20-a second transparent PET layer; 21-a second acrylic adhesive layer; 22-a second release film functional coating; 23-a second antistatic functional coating; 24-a second release film layer; 30-a high-viscosity acrylic adhesive layer; 110-point shaped elements.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Examples
Referring to fig. 1-2, the utility model discloses a flexible double faced adhesive tape 1 of a preferred embodiment, including the composite substrate layer, the composite substrate layer includes first transparent PET layer 10 and the transparent PET layer 20 of second that laminate each other through high polyacrylic acid gluing agent layer 30, first transparent PET layer 10 is kept away from the one side of the transparent PET layer 20 of second and the transparent PET layer 20 of second is kept away from the one side of first transparent PET layer 10 is equipped with first acrylic acid gluing agent layer 11 and second acrylic acid gluing agent layer 21 respectively, the thickness of first transparent PET layer 10 is 25 μm, the thickness of the transparent PET layer 20 of second is 38 μm. The thickness of the high-viscosity acrylic adhesive layer 30 was 15 μm. The viscosity of the first acrylic adhesive layer 11 is lower than that of the second acrylic adhesive layer 21, so that one side of the adhesive tape has high viscosity and the other side has low viscosity. The first acrylic adhesive layer 11 is composed of a plurality of dot units 110. The shape of the dot cells 110 is circular, square, oval, diamond, or hexagonal. The dot-shaped units 110 are arranged at intervals, so that the using amount of the first acrylic adhesive layer 11 in unit area is reduced, the density of the adhesive layer is reduced, the using amount of the adhesive is saved, the viscosity of the first acrylic adhesive layer 11 is reduced, and the first acrylic adhesive layer is easier to peel from the surface of an adhered object.
First acrylic acid gluing agent layer 11 is kept away from one side on first transparent PET layer 10 is equipped with in proper order that first from type membrane functional coating 12, first antistatic functional coating 13 and first from type rete 14. The thickness of the first release film functional coating 12 was 25 μm. The thickness of the first antistatic functional coating layer 13 is 0.1-0.2 μm. The first release film layer 14 is transparent, the thickness of the first release film layer 14 is 0.1-0.2 μm, and the material of the first release film layer 14 is PET.
One side of the second acrylic acid adhesive layer 21, which is far away from the second transparent PET layer 20, is sequentially provided with a second release film functional coating 22, a second anti-static functional coating 23 and a second release film layer 24. The thickness of the second release film functional coating 22 was 75 μm. The thickness of the second antistatic functional coating 23 is 0.1-0.2 μm. The second release film layer 24 is transparent, the thickness of the second release film layer 24 is 0.1-0.2 μm, and the second release film layer 24 is made of PET.
The preparation method of the utility model is as follows:
1. and coating a first antistatic functional coating 13 on the surface of one side of the first release film layer 14, carrying out hot drying, coating a first release film functional coating 12 on the first antistatic coating, and carrying out hot drying.
2. And coating a second anti-static functional coating 23 on one side surface of the second release film layer 24 and carrying out thermal drying, and then coating a second release film functional coating 22 on the second anti-static coating and carrying out thermal drying.
3. And coating a layer of high-viscosity acrylic adhesive on the surface of one side of the first transparent PET layer 10, carrying out thermal drying, and then laminating and adhering the formed high-viscosity acrylic adhesive layer 30 and the second transparent PET layer 20 to obtain the composite base material.
4. And (3) coating a layer of medium-viscosity acrylic acid adhesive on the surface of one side of the composite base material obtained in the step (3), carrying out thermal drying, and then laminating and fitting the composite base material with the material obtained in the step (1).
5. And (3) coating a layer of high-viscosity acrylic adhesive on the surface of the other side of the material obtained in the step (4), carrying out thermal drying, and then laminating and adhering the material obtained in the step (2) to obtain the flexible double-sided adhesive tape 1.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A flexible double-sided adhesive tape, characterized in that: including the composite substrate layer, the composite substrate layer includes first transparent PET layer and the transparent PET layer of second through high acrylic acid gluing agent layer laminating each other, first transparent PET layer is kept away from the one side on the transparent PET layer of second and the transparent PET layer of second is kept away from the one side on first transparent PET layer is equipped with first acrylic acid gluing agent layer and second acrylic acid gluing agent layer respectively, the thickness on first transparent PET layer is 25 μm, the thickness on the transparent PET layer of second is 38 μm, the stickness on first acrylic acid gluing agent layer and second acrylic acid gluing agent layer is different.
2. The flexible double-sided adhesive tape according to claim 1, wherein: first acrylic acid gluing agent layer is kept away from one side on first transparent PET layer is equipped with in proper order that first from type membrane functional coating, first antistatic functional coating and first from type rete.
3. The flexible double-sided adhesive tape according to claim 2, wherein: the thickness of the first release film functional coating is 0.1-0.2 μm.
4. The flexible double-sided adhesive tape according to claim 2, wherein: the thickness of the first antistatic functional coating is 0.1-0.2 mu m.
5. The flexible double-sided adhesive tape according to claim 2, wherein: the first release film layer is transparent, the thickness of the first release film layer is 0.1-0.2 mu m, and the first release film layer is made of PET.
6. The flexible double-sided adhesive tape according to claim 1, wherein: one side of the second acrylic acid adhesive layer, which is far away from the second transparent PET layer, is sequentially provided with a second release film functional coating, a second anti-static functional coating and a second release film layer.
7. The flexible double-sided adhesive tape according to claim 6, wherein: the thickness of the second release film functional coating is 0.1-0.2 μm.
8. The flexible double-sided adhesive tape according to claim 6, wherein: the thickness of the second antistatic functional coating is 0.1-0.2 μm.
9. The flexible double-sided adhesive tape according to claim 6, wherein: the second release film layer is transparent, the thickness of the second release film layer is 0.1-0.2 mu m, and the second release film layer is made of PET.
10. The flexible double-sided adhesive tape according to claim 1, wherein: the viscosity of the first acrylic adhesive layer is lower than that of the second acrylic adhesive layer, and the first acrylic adhesive layer is composed of a plurality of dot-shaped units which are arranged at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921225898.7U CN210481272U (en) | 2019-07-31 | 2019-07-31 | Flexible double-sided adhesive tape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921225898.7U CN210481272U (en) | 2019-07-31 | 2019-07-31 | Flexible double-sided adhesive tape |
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| Publication Number | Publication Date |
|---|---|
| CN210481272U true CN210481272U (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921225898.7U Active CN210481272U (en) | 2019-07-31 | 2019-07-31 | Flexible double-sided adhesive tape |
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| CN (1) | CN210481272U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114231207A (en) * | 2021-12-15 | 2022-03-25 | 江苏皇冠新材料科技有限公司 | Ultrathin high-viscosity graphene heat-conducting double-sided adhesive tape and preparation method thereof |
-
2019
- 2019-07-31 CN CN201921225898.7U patent/CN210481272U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114231207A (en) * | 2021-12-15 | 2022-03-25 | 江苏皇冠新材料科技有限公司 | Ultrathin high-viscosity graphene heat-conducting double-sided adhesive tape and preparation method thereof |
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