CN214528826U - High-viscosity shielding antistatic adhesive tape - Google Patents
High-viscosity shielding antistatic adhesive tape Download PDFInfo
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- CN214528826U CN214528826U CN202023215295.4U CN202023215295U CN214528826U CN 214528826 U CN214528826 U CN 214528826U CN 202023215295 U CN202023215295 U CN 202023215295U CN 214528826 U CN214528826 U CN 214528826U
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Abstract
The utility model relates to the field of antistatic adhesive tapes, in particular to a high-viscosity shielding antistatic adhesive tape, which comprises a black PET substrate layer, an antistatic coating, an antistatic acrylic adhesive layer and a release layer, wherein the black PET substrate layer, the antistatic coating, the antistatic acrylic adhesive layer and the release layer are sequentially bonded and connected from top to bottom; the black PET substrate layer is a reference layer, and the lower surface of the black PET substrate layer is covered with an antistatic coating for eliminating the electrostatic effect; the lower surface of the antistatic coating is coated with an antistatic acrylic adhesive layer for providing high viscosity, improving antistatic performance and improving light transmittance, the antistatic acrylic adhesive layer is a pressure sensing adhesive layer, and the antistatic acrylic adhesive layer and the antistatic coating are matched for use; the lower surface of the antistatic acrylic adhesive layer is bonded and covered with a release layer for increasing the release force of the antistatic acrylic adhesive layer. The adhesive tape realizes excellent adhesive force and excellent antistatic effect through the synergistic effect of the antistatic base material and the antistatic glue, and has high practical value.
Description
Technical Field
The utility model relates to an antistatic adhesive tape field specifically is a high viscosity shields can antistatic adhesive tape.
Background
With the rapid development of the electronic industry, various adhesive tapes are applied to electronic products such as computers, mobile phones and the like, but due to the limitation of the processing of the traditional adhesive tapes, the various adhesive tapes have a certain amount of static electricity at different degrees, and dust or other particles are easily adsorbed in the using process to influence the service life of electronic components, so that the antistatic adhesive tapes are more and more concerned.
At present, antistatic adhesive tape products are various, but relatively mature adhesive tapes mainly comprise medium and low viscose, but for high-viscosity adhesive tapes with special requirements, the antistatic effect of the high-viscosity adhesive tapes cannot reach the ideal antistatic effect, and the design of a pressure-sensitive adhesive tape with both antistatic property and high viscosity becomes the direction of efforts of technicians in the field.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a but high viscosity shields anti static sticky tape, the problem of solving above-mentioned anti static sticky tape in the background goes to design one kind and can be antistatic, pressure sensitive adhesive tape that viscidity is high again.
In order to achieve the above object, the utility model provides a following technical scheme:
a high-viscosity shielding antistatic adhesive tape comprises a black PET substrate layer, an antistatic coating, an antistatic acrylic adhesive layer and a release layer, wherein the black PET substrate layer, the antistatic coating, the antistatic acrylic adhesive layer and the release layer are sequentially bonded and connected from top to bottom; the black PET base material layer is a reference layer, and an antistatic coating for eliminating static electricity is covered on the lower surface of the black PET base material layer; the lower surface of the antistatic coating is coated with an antistatic acrylic adhesive layer for providing high viscosity, improving antistatic performance and improving light transmittance, and the antistatic acrylic adhesive layer is a pressure sensing adhesive layer; the lower surface of antistatic ya keli glue film bonds to cover has the release layer that increases antistatic ya keli glue film and leaves type force.
As a further aspect of the present invention: the black PET substrate layer, the antistatic coating, the antistatic acrylic adhesive layer and the release layer form a single-sided adhesive or a double-sided adhesive;
the single-sided adhesive takes a black PET substrate layer as a substrate, and an antistatic coating, an antistatic acrylic adhesive layer and a release layer are sequentially coated below the black PET substrate layer;
the double faced adhesive tape uses black PET substrate layer as the benchmark to the upper and lower both sides of black PET substrate layer respectively in proper order the coating have antistatic coating, antistatic ya keli glue film and from the type layer.
As a further aspect of the present invention: the black PET substrate layer is natural black PET or printing black PET, the thickness of the black PET substrate layer is 6-100 μm,
as a further aspect of the present invention: the thickness of the antistatic coating is 1-3 μm, and the antistatic value of the antistatic coating 4 is 104-106Ω。
As a further aspect of the present invention: the thickness range of the antistatic acrylic adhesive layer is 10-100 mu m.
As a further aspect of the present invention: acrylic glue is included in the acrylic glue of the antistatic acrylic glue layer.
As a further aspect of the present invention: the curing agent added to the antistatic acrylic adhesive layer is isocyanate or epoxy curing agent.
Compared with the prior art, the beneficial effects of the utility model are that:
according to the high-viscosity shielding antistatic adhesive tape, the black PET substrate layer is selected, the antistatic coating is coated on one side or two sides of the black PET substrate layer, a certain amount of specially treated modified graphite is added into high-viscosity adhesive, and the purpose of preparing the high-viscosity antistatic pressure-sensitive adhesive can be achieved through the synergistic effect of the antistatic coating and the antistatic acrylic adhesive layer; meanwhile, the preparation process is simple and feasible, and the prepared pressure-sensitive adhesive tape has excellent shielding performance, antistatic effect and adhesion performance, is wide in application range and has very good practical value. The preparation process of the adhesive tape is simple and easyHas excellent adhesion, shielding and antistatic effects, and the antistatic property can reach 106Omega, easily realize automated control, productivity is high.
Drawings
Fig. 1 is a schematic view of the single-sided adhesive layer structure of the present invention.
Fig. 2 is a schematic view of the layered structure of the double-sided tape of the present invention.
In the figure: 1-single-sided adhesive, 2-double-sided adhesive, 3-black PET substrate layer, 4-antistatic coating, 5-antistatic acrylic adhesive layer and 6-release layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1, in the embodiment of the present invention: a high-viscosity shielding antistatic adhesive tape comprises a black PET substrate layer 3, an antistatic coating 4, an antistatic acrylic adhesive layer 5 and a release layer 6, the black PET substrate layer 3, the antistatic coating 4, the antistatic acrylic adhesive layer 5 and the release layer 6 are sequentially bonded and connected from top to bottom, the black PET substrate layer 3 is a reference layer, an antistatic coating 4 for eliminating static electricity is covered on the lower surface of the black PET substrate layer 3, the lower surface of the antistatic coating 4 is coated with an antistatic acrylic adhesive layer 5 for providing high viscosity, improving antistatic performance and improving light transmission, the antistatic acrylic adhesive layer 5 is a pressure-sensitive adhesive layer, the antistatic acrylic adhesive layer 5 and the antistatic coating 4 are matched for use, so that the purpose of high viscosity, antistatic pressure-sensitive is realized, the lower surface of antistatic ya keli glue film 5 bonds to cover has increases antistatic ya keli glue film 5 from type layer 6 of type power.
Example 2
Referring to fig. 1-2, the present embodiment is different from embodiment 1 in that:
in this embodiment, the black PET substrate layer, the antistatic coating layer 4, the antistatic acrylic adhesive layer 5 and the release layer 6 form a single-sided adhesive 1 or a double-sided adhesive 2; the single-sided adhesive 1 takes a black PET substrate layer 3 as a substrate, and an antistatic coating 4, an antistatic acrylic adhesive layer 5 and a release layer 6 are sequentially coated below the black PET substrate layer 3; the double faced adhesive tape 2 uses black PET substrate layer 3 as the benchmark to black PET substrate layer 3 upper and lower both sides respectively have coated antistatic coating 4, antistatic acrylic glue film 5 and from type layer 6 in proper order.
In this embodiment, the black PET substrate layer 3 is natural black PET or printed black PET, and the thickness of the black PET substrate layer 3 is 6 μm to 100 μm, wherein 20 μm to 75 μm is a preferred thickness, which is convenient for automatic operation.
In this embodiment, the antistatic coating 4 is any one or a combination of polyacetylene, polythiophene, polypyrrole, polyaniline, polyphenylene ethylene, polybenzimidazole, and polydiyne, the thickness of the antistatic coating 4 is 1 μm to 3 μm, and the electrostatic value range that the antistatic coating 4 can bear is 104-106Ω。
In this embodiment, the raw material of the acrylic glue used in the antistatic acrylic glue layer 5 contains a polyacrylate monomer mixed monomer copolymer of hydroxyl and carboxyl which can react with isocyanate.
In this embodiment, rosin, terpene phenol, and coumarone are added to the acrylic glue of the antistatic acrylic glue layer 5, so that the viscosity of the glue can be increased, the peeling force of the acrylic glue added with the viscous resin on a 304 steel plate is not less than 1000g/inch, and the thickness range of the antistatic acrylic glue layer 5 is 10-100 μm according to the requirement of numerical calculation of the peeling force.
In this embodiment, including acrylic acid glue among the acrylic acid glue of antistatic acrylic glue layer 5, add in acrylic acid glue and soak modified graphite that modifies processing through hydrogen peroxide and regard as antistatic auxiliary agent, add the interact of antistatic coating 4 and the antistatic glue layer of modified graphite, antistatic ability can reach 106Ω。
In the embodiment, the modified graphite used in the antistatic acrylic adhesive layer 5 is modified by soaking in 5% hydrogen peroxide water for 12-20h, and the effect of the modified graphite is better under the conditions of the concentration and the time.
In the embodiment, the addition amount of the modified graphite in the acrylic acid glue is 1% -10% of the solid content of the glue, the addition amount of the modified graphite when the acrylic acid glue achieves the optimal viscosity effect is 3% -5% of the solid content of the glue, and through the treatment, the viscosity of the acrylic acid glue is greatly improved, and meanwhile, the glue layer can achieve a certain antistatic effect, so that the breakdown of the glue layer due to static electricity in operation engineering can be prevented. The modified graphite material is added into the acrylic acid glue, so that the antistatic performance can be improved, the shading performance can be improved, and the integral shading rate of the shading tape can be improved.
In this embodiment, the curing agent added to the antistatic acrylic adhesive layer 5 is isocyanate or epoxy curing agent.
The utility model discloses a theory of operation is: the adhesive tape comprises a black PET substrate layer 3, an antistatic coating 4, an antistatic acrylic adhesive layer 5 and a release layer 6, wherein the thickness of the black PET substrate layer 3 is 20-75 μm, the lower surface of the black PET substrate layer 3 is coated with the antistatic coating 4, the thickness of the antistatic coating 4 is 1-3 μm, the thickness of the antistatic acrylic adhesive layer 5 is 10-100 μm, the antistatic acrylic adhesive layer 5 is a pressure sensing adhesive layer, and the antistatic acrylic adhesive layer 5 is coated on the lower surface of the antistatic coating 4.
The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (5)
1. The utility model provides a but high viscosity shields antistatic adhesive tape, includes black PET substrate layer (3), antistatic coating (4), antistatic acrylic glue film (5) and from type layer (6), its characterized in that:
the black PET substrate layer (3), the antistatic coating (4), the antistatic acrylic adhesive layer (5) and the release layer (6) are sequentially bonded and connected from top to bottom;
the black PET base material layer (3) is a reference layer, and the lower surface of the black PET base material layer (3) is covered with an antistatic coating (4) for eliminating static electricity;
the lower surface of the antistatic coating (4) is coated with an antistatic acrylic adhesive layer (5) for providing high viscosity, improving antistatic performance and improving light transmittance, and the antistatic acrylic adhesive layer (5) is a pressure sensing adhesive layer;
the lower surface of antistatic acrylic adhesive layer (5) bonds to cover has increases antistatic acrylic adhesive layer (5) from type layer (6) of type force.
2. The high-viscosity masking antistatic adhesive tape according to claim 1, wherein the black PET substrate layer (3), the antistatic coating layer (4), the antistatic acrylic adhesive layer (5) and the release layer (6) constitute a single-sided adhesive tape (1) or a double-sided adhesive tape (2);
the single-sided adhesive (1) takes a black PET substrate layer (3) as a substrate, and an antistatic coating (4), an antistatic acrylic adhesive layer (5) and a release layer (6) are sequentially coated below the black PET substrate layer (3);
double faced adhesive tape (2) use black PET substrate layer (3) as the benchmark respectively to black PET substrate layer (3) upper and lower both sides in proper order the coating have antistatic coating (4), antistatic acrylic glue film (5) and from type layer (6).
3. The highly adhesive masking antistatic tape as claimed in claim 2, wherein the black PET substrate layer (3) is natural black PET or printed black PET, and the thickness of the black PET substrate layer (3) is 6 μm to 100 μm.
4. A high-tack masking antistatic adhesive tape according to claim 3, characterized in that the thickness of the antistatic coating (4) is 1 μm-3 μm, the antistatic value range of the antistatic coating (4)At 104-106Ω。
5. The high-tack masking antistatic adhesive tape as claimed in claim 4, wherein the thickness of the antistatic acryl glue layer (5) ranges from 10 to 100 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023215295.4U CN214528826U (en) | 2020-12-28 | 2020-12-28 | High-viscosity shielding antistatic adhesive tape |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023215295.4U CN214528826U (en) | 2020-12-28 | 2020-12-28 | High-viscosity shielding antistatic adhesive tape |
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| CN214528826U true CN214528826U (en) | 2021-10-29 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113980597A (en) * | 2021-11-15 | 2022-01-28 | 江西昊泽光学膜科技有限公司 | Antistatic functional adhesive tape and preparation process thereof |
| CN115637113A (en) * | 2022-11-04 | 2023-01-24 | 深圳深汕特别合作区昌茂粘胶新材料有限公司 | Preparation of black shading PP antistatic protective film |
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2020
- 2020-12-28 CN CN202023215295.4U patent/CN214528826U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113980597A (en) * | 2021-11-15 | 2022-01-28 | 江西昊泽光学膜科技有限公司 | Antistatic functional adhesive tape and preparation process thereof |
| CN115637113A (en) * | 2022-11-04 | 2023-01-24 | 深圳深汕特别合作区昌茂粘胶新材料有限公司 | Preparation of black shading PP antistatic protective film |
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