CN115260932A - Shielding adhesive tape with fingerprint prevention function - Google Patents
Shielding adhesive tape with fingerprint prevention function Download PDFInfo
- Publication number
- CN115260932A CN115260932A CN202210279589.8A CN202210279589A CN115260932A CN 115260932 A CN115260932 A CN 115260932A CN 202210279589 A CN202210279589 A CN 202210279589A CN 115260932 A CN115260932 A CN 115260932A
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- Prior art keywords
- parts
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- black ink
- fingerprint
- adhesive tape
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 239000002390 adhesive tape Substances 0.000 title claims abstract description 20
- 230000002265 prevention Effects 0.000 title description 9
- 239000010410 layer Substances 0.000 claims abstract description 50
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims abstract description 18
- 230000003666 anti-fingerprint Effects 0.000 claims abstract description 17
- 239000007822 coupling agent Substances 0.000 claims abstract description 16
- 239000012790 adhesive layer Substances 0.000 claims abstract description 14
- 229920002873 Polyethylenimine Polymers 0.000 claims abstract description 7
- 239000006229 carbon black Substances 0.000 claims abstract description 7
- 229920002635 polyurethane Polymers 0.000 claims abstract description 7
- 239000004814 polyurethane Substances 0.000 claims abstract description 7
- SFVFIFLLYFPGHH-UHFFFAOYSA-M stearalkonium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCCCC[N+](C)(C)CC1=CC=CC=C1 SFVFIFLLYFPGHH-UHFFFAOYSA-M 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims abstract description 6
- 229920001661 Chitosan Polymers 0.000 claims abstract description 6
- 239000004115 Sodium Silicate Substances 0.000 claims abstract description 6
- 239000001768 carboxy methyl cellulose Substances 0.000 claims abstract description 6
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims abstract description 6
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims abstract description 6
- 239000008367 deionised water Substances 0.000 claims abstract description 6
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 6
- 238000001035 drying Methods 0.000 claims abstract description 6
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052911 sodium silicate Inorganic materials 0.000 claims abstract description 6
- 235000019832 sodium triphosphate Nutrition 0.000 claims abstract description 6
- 239000000758 substrate Substances 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 17
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical group [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- 230000002745 absorbent Effects 0.000 claims description 4
- 239000002250 absorbent Substances 0.000 claims description 4
- 230000000873 masking effect Effects 0.000 claims description 4
- 229920006267 polyester film Polymers 0.000 claims description 4
- 239000002041 carbon nanotube Substances 0.000 claims description 3
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 3
- -1 carbon nanotube compound Chemical class 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 239000006096 absorbing agent Substances 0.000 abstract description 7
- 239000011358 absorbing material Substances 0.000 abstract 1
- 235000019794 sodium silicate Nutrition 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000005672 electromagnetic field Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 210000004243 sweat Anatomy 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000283070 Equus zebra Species 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000011258 core-shell material Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000009775 high-speed stirring Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- DGTNSSLYPYDJGL-UHFFFAOYSA-N phenyl isocyanate Chemical compound O=C=NC1=CC=CC=C1 DGTNSSLYPYDJGL-UHFFFAOYSA-N 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/25—Plastics; Metallised plastics based on macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/255—Polyesters
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/102—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/25—Plastics; Metallised plastics based on macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2467/00—Presence of polyester
- C09J2467/006—Presence of polyester in the substrate
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Adhesive Tapes (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a shielding adhesive tape with an anti-fingerprint function, wherein a black ink layer and an adhesive layer are respectively positioned on the upper surface and the lower surface of a substrate layer, the black ink layer is obtained by drying black ink, and the black ink comprises the following components in parts by weight: the light-absorbing material comprises water-based polyurethane, carbon black, 1,1', 1' -methylene tri (4-isocyanic acid) benzene, sodium silicate, carboxymethyl cellulose, sodium tripolyphosphate, polyethyleneimine, octadecyl dimethyl benzyl ammonium chloride, a light absorbing agent, a coupling agent, chitosan and deionized water. The fingerprint-proof adhesive tape has fingerprint-proof performance, and fingerprint traces can not be left after being used for many times in various environments, so that the attachment of stains is reduced.
Description
Technical Field
The invention belongs to the technical field of adhesive tapes, and particularly relates to a shielding adhesive tape with a fingerprint prevention function.
Background
The electromagnetic shielding film is a transparent shielding material capable of blocking electromagnetic wave penetration, preventing electromagnetic radiation, protecting electronic components and resisting electromagnetic interference, and the requirements on the electromagnetic shielding film are continuously improved along with the continuous development of electronic products in recent years. The wireless charging technology mainly comprises three main categories of magnetic induction wireless charging, magnetic resonance wireless charging and radio frequency wireless charging, and along with popularization of the wireless charging technology, a plurality of products applying the magnetic induction wireless charging technology emerge in the market. In order to obtain higher charging efficiency and reduce or eliminate the influence of an electromagnetic field on the mobile phone during charging, an electromagnetic shielding film is required for shielding. The electromagnetic shielding film is used for isolating the influence of an electromagnetic field on the mobile phone, preventing materials such as metal and the like from absorbing the electromagnetic wave emitted by the transmitting terminal equipment and generating a magnetic field in the opposite direction. In the wireless charging receiving end of the mobile phone, if the electromagnetic shielding film is not arranged, the wireless charging equipment cannot complete short-distance charging work. The electromagnetic shielding film needs to be fixed on the interference source through an adhesive tape. At present, the film does not have anti-fingerprint performance, and the residual fingerprint traces after multiple uses not only affect the appearance, but also have certain influence on the performance of the film material.
Disclosure of Invention
The invention aims to provide a shielding adhesive tape with an anti-fingerprint function, which has the anti-fingerprint performance, can not leave fingerprint traces after being used for many times in various environments, and can avoid the corrosion of fingerprint sweat stains on the adhesive tape.
In order to achieve the purpose, the invention adopts the technical scheme that: a shielding adhesive tape with an anti-fingerprint function comprises a black ink layer, a base material layer and an adhesive layer, wherein the black ink layer and the adhesive layer are respectively positioned on the upper surface and the lower surface of the base material layer, and a release layer is arranged on one side, opposite to the base material layer, of the adhesive layer;
the black ink layer is obtained by drying black ink, and the black ink comprises the following components in parts by weight: 65 parts of waterborne polyurethane, 2 parts of carbon black, 1,1', 1' -methylene tri (4-isocyanic acid) benzene, 1.3 parts of sodium silicate, 1 part of carboxymethyl cellulose, 0.25 part of sodium tripolyphosphate, 2 parts of polyethyleneimine, 1.5 parts of octadecyl dimethyl benzyl ammonium chloride, 4 parts of a light absorbent, 1.5 parts of a coupling agent, 1 part of chitosan and 16 parts of deionized water.
The technical scheme of further improvement in the technical scheme is as follows:
1. in the above embodiment, the light absorber is selected from nickel powder/carbon nanotube composite.
2. In the scheme, the coupling agent is selected from a coupling agent KH-561.
3. In the above scheme, the substrate layer is a PET polyester film.
4. In the scheme, the thickness of the PET polyester film is 2~4 μm.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
according to the shielding adhesive tape with the fingerprint prevention function, polyethyleneimine and octadecyl dimethyl benzyl ammonium chloride are added into waterborne polyurethane, carbon black and 1,1', 1' -methylene tri (4-isocyanic acid) benzene, so that the fingerprint prevention adhesive tape has the fingerprint prevention performance, fingerprint traces cannot be remained after repeated use in various environments, and the adhesive tape can be prevented from being corroded by fingerprint sweat stains; meanwhile, the anti-stain performance of the anti-fingerprint adhesive tape is enhanced, namely stain on the adhesive tape can be easily wiped off without residue after being left for a period of time in a high-temperature and high-humidity environment, so that the attachment of stains is reduced, and the cleaning difficulty is greatly reduced.
Drawings
FIG. 1 is a schematic structural view of a shielding tape with anti-fingerprint function according to the present invention;
fig. 2 is a partial schematic view of fig. 1.
In the above drawings: 1. a black ink layer; 2. a substrate layer; 3. an adhesive layer; 4. and a release layer.
Detailed Description
In the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The meaning of the above terms in this patent may be specifically understood by those of ordinary skill in the art.
The invention is further described below with reference to the following examples:
example (b): a shielding tape with an anti-fingerprint function comprises a black ink layer 1, a base material layer 2 and an adhesive layer 3, wherein the black ink layer 1 and the adhesive layer 3 are respectively positioned on the upper surface and the lower surface of the base material layer 2, and a release layer 4 is arranged on one side, opposite to the base material layer 2, of the adhesive layer 3;
the black ink layer 1 is obtained by drying black ink, and the black ink comprises the following components in parts by weight: 65 parts of waterborne polyurethane, 2 parts of carbon black, 1,1', 1' -methylene tri (4-isocyanic acid) benzene, 1.3 parts of sodium silicate, 1 part of carboxymethyl cellulose, 0.25 part of sodium tripolyphosphate, 2 parts of polyethyleneimine, 1.5 parts of octadecyl dimethyl benzyl ammonium chloride, 4 parts of a light absorbent, 1.5 parts of a coupling agent, 1 part of chitosan and 16 parts of deionized water.
The light absorbing agent is selected from nickel powder/carbon nano tube compound, and the coupling agent is selected from coupling agent KH-580.
The base layer 2 was a 3.5 μm thick PET layer, and the black ink layer 1 was 1.5 μm thick.
The preparation method of the shielding adhesive tape with the fingerprint prevention function comprises the following steps: adding waterborne polyurethane, deionized water, 1,1', 1' -methylene tri (4-isocyanic acid) benzene, sodium tripolyphosphate, carbon black, sodium silicate, polyethyleneimine, octadecyl dimethyl benzyl ammonium chloride, a coupling agent, carboxymethyl cellulose, a light absorbing agent and chitosan into a high-speed stirring dispersing agent for stirring, and uniformly mixing to obtain black ink;
and coating the black ink on the substrate layer 2, and drying to obtain the shielding adhesive tape with the fingerprint prevention function.
Comparative example 1~2: an electromagnetic shielding film comprises a black ink layer 1, a base material layer 2 and an adhesive layer 3, wherein the black ink layer 1 and the adhesive layer 3 are respectively positioned on the upper surface and the lower surface of the base material layer 2, and a release layer 4 is arranged on one side, opposite to the base material layer 2, of the adhesive layer 3;
the black ink layer 1 is obtained by drying black ink, and the black ink comprises the following components in parts by weight as shown in table 1:
TABLE 1
| Components | Comparative example 1 | Comparative example 2 |
| Aqueous polyurethane | 60 portions of | 80 portions |
| Carbon black | 1 part of | 5 portions of |
| 1,1', 1' -Methyltris (4-isocyanato) benzene | 1.8 parts of | 2 portions of |
| Sodium silicate | 1.5 parts of | 1.2 parts of |
| Carboxymethyl cellulose | 1.2 parts of | 1.5 parts of |
| Sodium tripolyphosphate | 0.1 part | 0.2 part |
| Polyethylene imine | - | 5 portions of |
| Octadecyl dimethyl | 2 portions of | - |
| Light absorber | 2.5 parts of | 3 portions of |
| Coupling agent | 0.8 portion of | 0.5 portion |
| Chitosan | 0.8 part of | 0.6 part |
| Deionized water | 18 portions of | 20 portions of |
Comparative example the procedure was as in example.
Comparative example 1 light absorber selected from nano Al/Al2O3The core-shell material is characterized in that the coupling agent is selected from a coupling agent KH-580, the base material layer 2 is a PET layer with the thickness of 2 mu m, and the thickness of the black ink layer 1 is 1 mu m.
In comparative example 2, the light absorbing agent is selected from nano nickel powder, the coupling agent is selected from coupling agent KBM403, the base material layer 2 is a PET layer with the thickness of 2.5 μm, and the thickness of the black ink layer 1 is 1.3 μm.
The properties of the electro-magnetic shielding films prepared in the above examples and comparative examples 1~2 are shown in table 2:
TABLE 2
The test method is as follows:
fingerprint prevention test: the appearance of the black ink layer was observed by pressing 10 times with a finger on the black ink layer, and the meanings indicated by the relevant symbols in table 2 were as follows:
o: without fingerprint
X: a fingerprint exists;
and (3) dirt resistance test: and (3) using a ZEBRA oil pen, wherein the angle between the oil pen and the surface of the film layer is about 90 degrees, applying a force of about 1N to draw 5 10mm handwriting on the surface of the film layer at a constant speed, then placing the sample in an environment with the temperature of 60 ℃ and the humidity of 95 percent for 2 hours, taking out the sample, and wiping the surface with alcohol, wherein no trace residue is left on the surface of the sample, and the sample is qualified.
As shown in the evaluation results of table 2, the masking tape with the anti-fingerprint function of the example was excellent in anti-fingerprint property, no trace was left in the case of multiple finger presses, and the stain on the tape could be easily wiped off without residue even if left in a high temperature and high humidity environment for a certain period of time, whereas the anti-fingerprint property of comparative example 1 was relatively poor and the stain resistance of comparative example 2 was much worse; therefore, the anti-fingerprint performance is improved, and the anti-dirt resistance of the shielding adhesive tape with the anti-fingerprint function is enhanced, namely dirt on the adhesive tape can be easily wiped off without residue after being left for a period of time in a high-temperature and high-humidity environment, so that the attachment of the dirt is reduced, and the cleaning difficulty is greatly reduced.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a shielding sticky tape with prevent fingerprint function which characterized in that: the adhesive comprises a black ink layer (1), a base material layer (2) and an adhesive layer (3), wherein the black ink layer (1) and the adhesive layer (3) are respectively positioned on the upper surface and the lower surface of the base material layer (2), and a release layer (4) is arranged on one side, opposite to the base material layer (2), of the adhesive layer (3);
the black ink layer (1) is obtained by drying black ink, and the black ink comprises the following components in parts by weight: 65 parts of waterborne polyurethane, 2 parts of carbon black, 1,1', 1' -methylene tri (4-isocyanic acid) benzene, 1.3 parts of sodium silicate, 1 part of carboxymethyl cellulose, 0.25 part of sodium tripolyphosphate, 2 parts of polyethyleneimine, 1.5 parts of octadecyl dimethyl benzyl ammonium chloride, 4 parts of a light absorbent, 1.5 parts of a coupling agent, 1 part of chitosan and 16 parts of deionized water.
2. The shielding adhesive tape with anti-fingerprint function according to claim 1, wherein: the light absorbent is selected from nickel powder/carbon nanotube compound.
3. The masking tape with anti-fingerprint function as claimed in claim 1, wherein: the coupling agent is selected from a coupling agent KH-580.
4. The masking tape with anti-fingerprint function as claimed in claim 1, wherein: the substrate layer (1) is a PET polyester film.
5. The masking tape with anti-fingerprint function as claimed in claim 4, wherein: the thickness of the PET polyester film is 2~4 mu m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210279589.8A CN115260932B (en) | 2019-06-28 | 2019-06-28 | Adhesive tape with fingerprint prevention function |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910571326.2A CN112143394B (en) | 2019-06-28 | 2019-06-28 | Fingerprint-proof adhesive tape for wireless charger |
| CN202210279589.8A CN115260932B (en) | 2019-06-28 | 2019-06-28 | Adhesive tape with fingerprint prevention function |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910571326.2A Division CN112143394B (en) | 2019-06-28 | 2019-06-28 | Fingerprint-proof adhesive tape for wireless charger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115260932A true CN115260932A (en) | 2022-11-01 |
| CN115260932B CN115260932B (en) | 2024-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210271552.0A Pending CN114716929A (en) | 2019-06-28 | 2019-06-28 | Easy-to-clean electromagnetic shielding film |
| CN202210185841.9A Pending CN114828603A (en) | 2019-06-28 | 2019-06-28 | Electromagnetic shielding film |
| CN202210279589.8A Active CN115260932B (en) | 2019-06-28 | 2019-06-28 | Adhesive tape with fingerprint prevention function |
| CN201910571326.2A Active CN112143394B (en) | 2019-06-28 | 2019-06-28 | Fingerprint-proof adhesive tape for wireless charger |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210271552.0A Pending CN114716929A (en) | 2019-06-28 | 2019-06-28 | Easy-to-clean electromagnetic shielding film |
| CN202210185841.9A Pending CN114828603A (en) | 2019-06-28 | 2019-06-28 | Electromagnetic shielding film |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910571326.2A Active CN112143394B (en) | 2019-06-28 | 2019-06-28 | Fingerprint-proof adhesive tape for wireless charger |
Country Status (2)
| Country | Link |
|---|---|
| CN (4) | CN114716929A (en) |
| WO (1) | WO2020258699A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115181509A (en) * | 2022-08-15 | 2022-10-14 | 江苏伊诺尔新材料科技有限公司 | Manufacturing method of novel ultra-soft PI (polyimide) composite adhesive tape |
| CN115820139A (en) * | 2022-12-14 | 2023-03-21 | 江苏伊诺尔新材料科技有限公司 | Magnetic conduction double sticky tape suitable for wireless field of charging |
| CN116075059B (en) * | 2023-02-27 | 2023-07-07 | 健鼎（湖北）电子有限公司 | Coated aluminum sheet for PCB drilling and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008088335A (en) * | 2006-10-04 | 2008-04-17 | Sekisui Chem Co Ltd | Pressure sensitive adhesive tape for shading |
| CN105482731A (en) * | 2015-12-31 | 2016-04-13 | 宁波大榭开发区综研化学有限公司 | Protection film used for surface of NFC and preparation method of protection film |
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| DE102007020404A1 (en) * | 2006-09-18 | 2008-10-30 | Nano-X Gmbh | Process for the preparation of a coating material |
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| CN202808685U (en) * | 2012-08-31 | 2013-03-20 | 斯迪克新型材料（江苏）有限公司 | Scratch-resisting light-shielding reflective film |
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| CN208500842U (en) * | 2018-05-09 | 2019-02-15 | 东莞市古川胶带有限公司 | It is a kind of using composite metal film be made black matrixes high plasticity, can extinction black bound edge shading rubber belt |
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| CN109679476B (en) * | 2018-12-28 | 2021-05-28 | 上海乘鹰新材料有限公司 | PET film surface water-based varnish for Indigo printing and preparation method thereof |
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| JP2008088335A (en) * | 2006-10-04 | 2008-04-17 | Sekisui Chem Co Ltd | Pressure sensitive adhesive tape for shading |
| CN105482731A (en) * | 2015-12-31 | 2016-04-13 | 宁波大榭开发区综研化学有限公司 | Protection film used for surface of NFC and preparation method of protection film |
| CN108841335A (en) * | 2018-05-30 | 2018-11-20 | 宁波科莱恩新材料科技有限公司 | A kind of black shading rubber belt and preparation method thereof |
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| WO2020258699A1 (en) | 2020-12-30 |
| CN114828603A (en) | 2022-07-29 |
| CN115260932B (en) | 2024-02-20 |
| CN112143394A (en) | 2020-12-29 |
| CN112143394B (en) | 2022-02-11 |
| CN114716929A (en) | 2022-07-08 |
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