CN113801605B - Low-surface-energy pressure-sensitive adhesive tape and processing method thereof - Google Patents
Low-surface-energy pressure-sensitive adhesive tape and processing method thereof Download PDFInfo
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- CN113801605B CN113801605B CN202111324119.0A CN202111324119A CN113801605B CN 113801605 B CN113801605 B CN 113801605B CN 202111324119 A CN202111324119 A CN 202111324119A CN 113801605 B CN113801605 B CN 113801605B
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- 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
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/38—Pressure-sensitive adhesives [PSA]
- C09J7/381—Pressure-sensitive adhesives [PSA] based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/385—Acrylic polymers
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- 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
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
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- 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
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- 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
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- 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
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/302—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being pressure-sensitive, i.e. tacky at temperatures inferior to 30°C
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- 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
- C09J2475/00—Presence of polyurethane
- C09J2475/006—Presence of polyurethane in the substrate
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Adhesive Tapes (AREA)
Abstract
The invention discloses a low-surface-energy pressure-sensitive adhesive tape and a processing method thereof. The processing steps comprise 1, coating a transparent glue layer on a transparent substrate layer; 2, coating an oxygen indicator on the transparent glue water layer in an oxygen-free environment; 3, uniformly attaching a film layer on the transparent glue layer in an oxygen-free environment; 4, coating a pressure-sensitive adhesive layer on the film layer and the transparent adhesive layer, drying and curing for 6-8 days; and 5, cutting the pressure sensitive adhesive layer according to the position of the film layer to form a gap. The pressure-sensitive adhesive tape can visually judge whether the pressure-sensitive adhesive tape is torn or not through the indication on the pressure-sensitive adhesive tape.
Description
Technical Field
The invention belongs to the technical field of pressure-sensitive adhesive tapes, and particularly relates to a low-surface-energy pressure-sensitive adhesive tape and a processing method thereof.
Background
The pressure-sensitive adhesive tape is an adhesive tape for sticking or packaging, and the low-surface-energy pressure-sensitive adhesive tape belongs to one of pressure-sensitive adhesive tapes and is used for sticking low-surface-energy materials such as PP, PE, ABS and the like.
Pressure-sensitive adhesive tapes are widely used because they have a property of not staining an adherend after peeling and being capable of reattachment after peeling, but this property also causes some problems during use. For example, a pressure-sensitive adhesive tape for sealing a package, or a pressure-sensitive adhesive tape for attaching to an opening or a port of a new electric appliance such as a refrigerator or a washing machine, the existing pressure-sensitive adhesive tape is peeled off and then attached again without substantially affecting its attaching performance, and therefore, it is not found that the goods in the package are taken out for use after the pressure-sensitive adhesive tape is peeled off or attached again after the goods are replaced, and it is difficult to ensure whether the goods in the packages are replaced or used, and whether the new electric appliance is used or maintained is unknown.
Particularly, nowadays, the logistics industry is mixed with fishes, news that articles in packages are replaced is frequently seen, and a receiver can know whether the articles in the packages are replaced or not only after the recipients unpack the packages. The user of the used or repaired electric appliance is not aware of the electric appliance.
Disclosure of Invention
The invention provides a low-surface-energy pressure-sensitive adhesive tape and a processing method thereof, aiming at the defects of the prior art, the low-surface-energy pressure-sensitive adhesive tape can indicate that the pressure-sensitive adhesive tape is torn after being torn, and the indication on the pressure-sensitive adhesive tape can intuitively judge whether the pressure-sensitive adhesive tape is torn or not, so that the safety of goods attached to the pressure-sensitive adhesive tape can be improved.
In order to solve the technical problem, the invention is solved by the following technical scheme: the utility model provides a low surface energy pressure-sensitive adhesive tape, includes transparent substrate layer and pressure-sensitive adhesive layer, the coating has the transparent glue layer on the transparent substrate layer, paste on the transparent glue layer have with transparent glue layer contact side is for the rete from the profile, the rete with form between the transparent glue layer and detect the chamber, be located at least the oxygen indicator that coats on the transparent glue layer of detection intracavity, the transparent glue layer and be provided with on the rete pressure-sensitive adhesive layer, be equipped with on the pressure-sensitive adhesive layer with the clearance that the rete shape matches. The pressure-sensitive adhesive tape has a detection chamber, an oxygen indicator in the detection chamber shows pink color in an oxygen-free state, and blue is displayed under the aerobic state, after the pressure-sensitive adhesive tape is pasted, the detection cavity is not oxygen, so that the adhesive tape can be seen to be pink through the transparent base material layer, when the pressure-sensitive adhesive tape is torn, the pressure-sensitive adhesive at the bottom of the film layer is adhered, the film layer and the pressure-sensitive adhesive at the bottom of the film layer are still adhered to an adhered object, the pressure-sensitive adhesive tape is separated from the film layer, air enters the position, attached to the film layer, of the pressure-sensitive adhesive tape, and the oxygen indicator is enabled to be displayed in blue due to the fact that oxygen is contained in the air, even if the pressure-sensitive adhesive tape is reattached, oxygen still exists in the detection cavity, so that the oxygen indicator still shows blue color, whether the pressure-sensitive adhesive tape is torn or not can be visually judged through the color on the pressure-sensitive adhesive tape, so that the safety of goods attached to the pressure-sensitive adhesive tape can be improved.
In the above technical solution, preferably, an outer edge of the gap is coincident with an outer edge of the film layer. By adopting the structure, the tightness of the detection cavity can be ensured, and the film layer can be prevented from not being separated when the pressure-sensitive adhesive tape is torn due to the adhesion of the pressure-sensitive adhesive layer and the film layer.
In the above technical scheme, preferably, the transparent substrate layer is a PU film layer.
In the technical scheme, preferably, the pressure-sensitive adhesive layer is a modified acrylate pressure-sensitive adhesive prepared by mixing and stirring 50 parts by mass of oil-soluble acrylate glue, 1-2 parts by mass of a curing agent, 0.1-3 parts by mass of a perfluoro surfactant and 15-40 parts by mass of an organic solvent. The pressure-sensitive adhesive can be suitable for surface pasting with low surface energy, so that the pasting is firmer, and the film layer can be smoothly separated when the pressure-sensitive adhesive tape is torn.
In the above technical solution, preferably, the perfluoro surfactant is one or a combination of more of perfluorobutanesulfonyl fluoride, perfluorohexanesulfonyl fluoride, perfluorohexanesulfonamide, perfluorooctanesulfonamide, and perfluoroalkyl quaternary ammonium iodide.
In the above technical solution, preferably, the organic solvent is one or a combination of more of toluene, ethyl acetate, styrene, butanone, cyclohexanone and petroleum ether.
In the above technical solution, preferably, the curing agent is one of an isocyanate curing agent, an epoxy curing agent, an aziridine curing agent, and a melamine curing agent.
A method for processing a low-surface-energy pressure-sensitive adhesive tape comprises the following steps: the method comprises the following steps: 1, coating a transparent glue layer on a transparent substrate layer; 2, coating an oxygen indicator on the transparent glue water layer in an oxygen-free environment; 3, uniformly attaching a film layer on the transparent glue layer in an oxygen-free environment to cover the oxygen indicator, and forming a detection cavity between the film layer and the transparent glue layer; 4, coating a pressure sensitive adhesive layer on the film layer and the transparent adhesive layer, coating the pressure sensitive adhesive layer according to the position of the film layer to form a gap, drying and curing for 6-8 days. The processing method of the pressure-sensitive adhesive tape can conveniently process the pressure-sensitive adhesive tape, and the produced pressure-sensitive adhesive tape has the technical effect that whether the pressure-sensitive adhesive tape is torn can be visually judged through the color on the pressure-sensitive adhesive tape.
In the above technical solution, preferably, in step 4, a ring-shaped gasket matched with the shape of the film layer is placed on the film layer during the coating of the pressure-sensitive adhesive layer, and the ring-shaped gasket is removed after the coating of the pressure-sensitive adhesive layer, so as to form a gap. The gap can be conveniently machined by adopting the machining method.
In the technical scheme, preferably, the pressure-sensitive adhesive layer is a modified acrylate pressure-sensitive adhesive prepared by mixing and stirring 50 parts by mass of oil-soluble acrylate glue, 1-2 parts by mass of a curing agent, 0.1-3 parts by mass of a perfluoro surfactant and 15-40 parts by mass of an organic solvent.
Compared with the prior art, the invention has the following beneficial effects: the low-surface-energy pressure-sensitive adhesive tape can indicate that the pressure-sensitive adhesive tape is torn after being torn, and whether the pressure-sensitive adhesive tape is torn can be visually judged through indication on the pressure-sensitive adhesive tape, so that the safety of goods attached to the pressure-sensitive adhesive tape can be improved.
Drawings
Fig. 1 is a schematic structural diagram of a cross section of a finished product in an embodiment of the invention.
Fig. 2 is a schematic structural diagram of the transparent substrate layer coated with the transparent glue layer in the embodiment of the invention.
Fig. 3 is a schematic structural view of the transparent glue layer with the film layer attached thereon in the embodiment of the invention.
Fig. 4 is a schematic structural diagram of a finished product according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of the embodiment of the invention which is adhered and then torn.
Fig. 6 is a schematic structural diagram of a transparent substrate layer in an embodiment of the present invention. .
Detailed Description
The invention is described in further detail below with reference to the following detailed description and accompanying drawings: referring to fig. 1 to 6, a low surface energy pressure-sensitive adhesive tape, including transparent substrate layer 1 and pressure-sensitive adhesive layer 2, coating transparent adhesive layer 3 on transparent substrate layer 1, it is the rete 4 of the profile for keeping away from the side of contact with transparent adhesive layer 3 to paste on transparent adhesive layer 3, form between rete 4 and transparent adhesive layer 3 and detect the chamber 5, it has oxygen indicator 6 to coat on the transparent adhesive layer that is located at least in detecting chamber 5, be provided with pressure-sensitive adhesive layer 2 on transparent adhesive layer 3 and the rete 4, be equipped with the clearance 7 that matches with the rete 4 shape on pressure-sensitive adhesive layer 2. The pressure-sensitive adhesive tape is provided with a detection cavity 5, the oxygen indicator 6 is a commercially available product, in the embodiment, the oxygen indicator produced by mitsubishi MGC company of japan is adopted, the oxygen indicator 6 in the detection cavity 5 shows pink in an anaerobic state and blue in an aerobic state, after the pressure-sensitive adhesive tape is adhered, the oxygen in the detection cavity 5 is not oxidized, so that the adhesive tape can be seen to be pink through the transparent base material layer 1, when the pressure-sensitive adhesive tape is torn, the pressure-sensitive adhesive at the bottom of the film layer 4 is adhered, the pressure-sensitive adhesive at the bottom of the film layer 4 and the film layer 4 can still be adhered on an adhesive object, the pressure-sensitive adhesive tape can be separated from the film layer 4, air can enter the position on the pressure-sensitive adhesive tape, the oxygen indicator 6 can be shown blue due to the oxygen contained in the air, even if the pressure-sensitive adhesive tape is re-adhered, the oxygen still exists in the detection cavity 5, the oxygen indicator 6 is still displayed as blue, the oxygen indicator can be coated into a specific shape or a logo shape of a product to avoid easy replacement, and whether the pressure-sensitive adhesive tape is torn or not can be visually judged through the color on the pressure-sensitive adhesive tape, so that the safety of goods attached to the pressure-sensitive adhesive tape can be improved.
In this embodiment, the outer edge of the gap 7 coincides with the outer edge of the membrane layer 4. By adopting the structure, the tightness of the detection cavity 5 can be ensured, and the film layer can be prevented from not being separated when the pressure-sensitive adhesive tape is torn because the pressure-sensitive adhesive layer 2 is adhered to the film layer 4.
In this embodiment, the transparent substrate layer 1 is a PU film layer.
In the embodiment, the pressure-sensitive adhesive layer 2 is a modified acrylate pressure-sensitive adhesive prepared by mixing and stirring 50 parts by mass of oil-soluble acrylate glue, 1-2 parts by mass of a curing agent, 0.1-3 parts by mass of a perfluoro surfactant and 15-40 parts by mass of an organic solvent.
In this embodiment, the perfluoro surfactant is one or more of perfluorobutanesulfonyl fluoride, perfluorohexanesulfonyl fluoride, perfluorohexanesulfonamide, perfluorooctanesulfonamide, and perfluoroalkyl quaternary ammonium iodide.
In this embodiment, the organic solvent is one or a combination of toluene, ethyl acetate, styrene, butanone, cyclohexanone, and petroleum ether.
In this embodiment, the curing agent is one of an isocyanate curing agent, an epoxy curing agent, an aziridine curing agent, and a melamine curing agent.
The processing method for preparing the low-surface-energy pressure-sensitive adhesive tape comprises the following steps of: 1, coating a transparent glue layer on a transparent substrate layer 1; 2, coating an oxygen indicator 6 on the transparent glue layer 3 in an oxygen-free environment; 3, uniformly attaching a film layer 4 on the transparent glue layer 3 in an oxygen-free environment to cover the oxygen indicator 6, forming a detection cavity 5 between the film layer 4 and the transparent glue layer 3, carrying out release treatment on the surface of the film layer 4 attached to the transparent glue layer 3, and enabling the edge thickness of one side of the film layer 4, which faces the transparent glue layer 3, to be greater than the thickness of the center, so as to form the detection cavity 5; and 4, coating a pressure-sensitive adhesive layer 2 on the film layer 4 and the transparent adhesive layer 3, coating the pressure-sensitive adhesive layer 2 according to the position of the film layer 4 to form a gap 7, wherein the pressure-sensitive adhesive layer is a modified acrylate pressure-sensitive adhesive prepared by mixing and stirring 50 parts by mass of oil-soluble acrylate glue, 1-2 parts by mass of a curing agent, 0.1-3 parts by mass of a perfluorinated surfactant and 15-40 parts by mass of an organic solvent, and curing for 6-8 days after drying.
In step 4, a ring gasket matched with the shape of the film layer 4 is padded on the film layer 4 when the pressure-sensitive adhesive layer 2 is coated, and the ring gasket is taken down after the pressure-sensitive adhesive layer 2 is coated, so that a gap 7 is formed. The gap 7 can be conveniently machined by adopting the machining method, and the gap 7 can also be directly machined in an avoiding mode during coating.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.
Claims (9)
1. The utility model provides a low surface energy pressure-sensitive adhesive tape, includes transparent substrate layer (1) and pressure-sensitive adhesive layer (2), its characterized in that: coating on transparent substrate layer (1) transparent glue layer (3), paste on transparent glue layer (3) have with transparent glue layer (3) contact side is for rete (4) from the profile, rete (4) with form between transparent glue layer (3) and detect chamber (5), be located at least detect coating on the transparent glue layer in chamber (5) oxygen indicator (6), transparent glue layer (3) and be provided with on rete (4) pressure sensitive adhesive layer (2), be equipped with on pressure sensitive adhesive layer (2) with clearance (7) that rete (4) shape matches, the outward flange in clearance (7) with the outward flange of rete (4) is unanimous.
2. The low surface energy pressure-sensitive adhesive tape according to claim 1, wherein: the transparent substrate layer (1) is a PU film layer.
3. The low surface energy pressure-sensitive adhesive tape according to claim 1, wherein: the pressure-sensitive adhesive layer (2) is a modified acrylate pressure-sensitive adhesive prepared by mixing and stirring 50 parts of oil-soluble acrylate glue, 1-2 parts of curing agent, 0.1-3 parts of perfluorinated surfactant and 15-40 parts of organic solvent according to parts by weight.
4. The low surface energy pressure-sensitive adhesive tape according to claim 3, wherein: the perfluorinated surfactant is one or more of perfluorobutyl sulfonyl fluoride, perfluorohexyl sulfonamide, perfluorooctyl sulfonamide and perfluoroalkyl quaternary ammonium iodide.
5. The low surface energy pressure-sensitive adhesive tape according to claim 3, wherein: the organic solvent is one or a combination of more of toluene, ethyl acetate, styrene, butanone, cyclohexanone and petroleum ether.
6. The low surface energy pressure-sensitive adhesive tape according to claim 3, wherein: the curing agent is one of isocyanate curing agent, epoxy curing agent, aziridine curing agent and melamine curing agent.
7. A method of processing low surface energy pressure-sensitive adhesive tape as defined in any of claims 1-6 comprising the steps of: 1, coating a transparent glue layer on a transparent substrate layer (1); 2, coating an oxygen indicator (6) on the transparent glue water layer (3) in an oxygen-free environment; 3, uniformly attaching a film layer (4) on the transparent glue layer (3) in an oxygen-free environment to cover the oxygen indicator (6), and forming a detection cavity (5) between the film layer (4) and the transparent glue layer (3); 4, coating the pressure-sensitive adhesive layer (2) on the film layer (4) and the transparent adhesive layer (3), coating the pressure-sensitive adhesive layer (2) according to the position of the film layer (4) to form a gap (7), drying and curing for 6-8 days.
8. The method for processing a low-surface-energy pressure-sensitive adhesive tape according to claim 7, wherein: and (4) in the step of coating the pressure-sensitive adhesive layer (2), a ring gasket matched with the shape of the film layer (4) is padded on the film layer (4), and the ring gasket is taken down after the pressure-sensitive adhesive layer (2) is coated to form a gap (7).
9. The method for processing a low-surface-energy pressure-sensitive adhesive tape according to claim 7, wherein: the pressure-sensitive adhesive layer is a modified acrylate pressure-sensitive adhesive prepared by mixing and stirring 50 parts of oil-soluble acrylate glue, 1-2 parts of curing agent, 0.1-3 parts of perfluoro surfactant and 15-40 parts of organic solvent according to parts by weight.
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| CN202111324119.0A CN113801605B (en) | 2021-11-10 | 2021-11-10 | Low-surface-energy pressure-sensitive adhesive tape and processing method thereof |
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| CN202111324119.0A CN113801605B (en) | 2021-11-10 | 2021-11-10 | Low-surface-energy pressure-sensitive adhesive tape and processing method thereof |
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| CN113801605B true CN113801605B (en) | 2022-03-25 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6676901B1 (en) * | 1997-10-17 | 2004-01-13 | Mitsubishi Gas Chemical Company, Inc. | Oxygen indicator package equipped with oxygen indicator and method for manufacturing the same |
| JP3951418B2 (en) * | 1998-03-11 | 2007-08-01 | 東レ株式会社 | Tape with adhesive for TAB, substrate for connecting semiconductor integrated circuit, and semiconductor device |
| US10793304B2 (en) * | 2011-05-04 | 2020-10-06 | Dole Fresh Vegetables, Inc. | High-flow, low-velocity gas flushing system for reducing and monitoring oxygen content in packaged produce containers |
| AU2015305566B2 (en) * | 2014-08-20 | 2018-12-06 | 3M Innovative Properties Company | Self-contained anaerobic culture device for sulfate-reducing microorganisms |
| CN207566202U (en) * | 2017-10-27 | 2018-07-03 | 深圳市盐港明珠货运实业有限公司 | The container ecosystem |
| CN109749539B (en) * | 2019-01-24 | 2020-11-20 | 上海海洋大学 | High-barrier functional PVA coating liquid and preparation method and application thereof |
| CN211002600U (en) * | 2019-07-31 | 2020-07-14 | 江苏欧凯包装科技有限公司 | Integrated packaging bag with oxygen indication function |
| CN110927151A (en) * | 2019-12-04 | 2020-03-27 | 六安屹珹新材料科技有限公司 | Quality guarantee state indicator and preparation method thereof |
| CN111394008A (en) * | 2020-03-27 | 2020-07-10 | 江阴通利光电科技有限公司 | Preparation method of acrylic pressure-sensitive adhesive tape for bonding low-surface-energy material |
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