CN113956815B - Modified pressure-sensitive adhesive tape for logistics and processing method thereof - Google Patents
Modified pressure-sensitive adhesive tape for logistics and processing method thereof Download PDFInfo
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- CN113956815B CN113956815B CN202111324126.0A CN202111324126A CN113956815B CN 113956815 B CN113956815 B CN 113956815B CN 202111324126 A CN202111324126 A CN 202111324126A CN 113956815 B CN113956815 B CN 113956815B
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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
- C09J7/29—Laminated material
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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
- C09J133/04—Homopolymers or copolymers of esters
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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
- 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
- C09J2301/20—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive itself
- C09J2301/21—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive itself the adhesive layer being formed by alternating adhesive areas of different nature
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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
- C09J2400/00—Presence of inorganic and organic materials
- C09J2400/20—Presence of organic materials
- C09J2400/24—Presence of a foam
- C09J2400/243—Presence of a foam in the substrate
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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
- C09J2433/00—Presence of (meth)acrylic polymer
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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)
- Adhesive Tapes (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses a modified pressure-sensitive adhesive tape for logistics, which comprises a transparent substrate layer, a first pressure-sensitive adhesive layer and a polyurethane foam layer, wherein the polyurethane foam layer is provided with a plurality of mounting ports on the side of the first pressure-sensitive adhesive layer, a sticky block is arranged on each of the mounting ports, a transparent adhesive water layer is arranged in each mounting port, anhydrous copper sulfate particles are adhered to the transparent adhesive water layer, each sticky block comprises a sealing film, the periphery of the sealing film is bonded with the transparent glue layer to seal anhydrous copper sulfate particles, the bonding part of the sealing film and the transparent glue layer is subjected to release treatment, the water bag is positioned between the transparent glue layer and the sealing film and is fixed on the sealing film, one side of the water bag is bonded on the transparent glue layer, water is stored in the water bag, the second pressure-sensitive glue layer is coated on the other side of the sealing film, and the sticking block is separated from the transparent base material layer and can tear the water bag to enable the anhydrous copper sulfate particles to absorb water and turn blue. 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 modified pressure-sensitive adhesive tape for logistics and a processing method thereof.
Background
Pressure-sensitive adhesive tapes are tapes for sticking or packaging, and 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 in use. For example, the pressure-sensitive adhesive tape for sealing the logistics package is adhered again after being torn off, so that the adhesion performance of the existing pressure-sensitive adhesive tape is basically not influenced, and therefore, the goods in the package can be taken out for use after the pressure-sensitive adhesive tape is torn off or adhered again after being replaced, so that whether the goods in the packages are replaced or used is difficult to guarantee, and whether new electric appliances are used and 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.
Disclosure of Invention
The modified pressure-sensitive adhesive tape for logistics can indicate that the pressure-sensitive adhesive tape is torn after being torn, and the pressure-sensitive adhesive tape can be visually judged whether the pressure-sensitive adhesive tape is torn or not through the indication on the pressure-sensitive adhesive tape, so that the safety of packaged goods can be improved.
In order to solve the technical problem, the invention is solved by the following technical scheme: the utility model provides a modified pressure-sensitive adhesive tape is used in commodity circulation, includes transparent substrate layer, first pressure-sensitive adhesive layer and polyurethane foam layer, polyurethane foam layer one side is pasted and is had transparent substrate layer, and the opposite side is coated has first pressure-sensitive adhesive layer, polyurethane foam layer is in first pressure-sensitive adhesive layer side is equipped with a plurality of installing orificess, and is a plurality of the installing orificess all is equipped with the sticking block, be provided with transparent glue layer in the installing orificess, adhere anhydrous copper sulfate granule on the transparent glue layer, the sticking block includes seal membrane, water pocket and second pressure-sensitive adhesive layer, the seal membrane periphery with transparent glue layer bonding seal anhydrous copper sulfate granule, the seal membrane with transparent glue layer bonding department is handled through the release, the water pocket is located between the transparent glue layer and the seal membrane and be fixed in on the seal membrane, water pocket one side bond in transparent glue layer on the transparent glue layer, the water bag is filled with water, the second pressure-sensitive adhesive layer is coated on the other side of the sealing film, and the sticking block is separated from the transparent substrate layer and can tear the water bag to enable the anhydrous copper sulfate particles to absorb water and turn blue. After the modified pressure-sensitive adhesive tape for logistics is adhered, the anhydrous copper sulfate particles are sealed by the sealing film and are always white, when the pressure-sensitive adhesive tape is torn, the transparent base material layer, the polyurethane foam layer and the first pressure-sensitive adhesive layer are pulled, the second pressure-sensitive adhesive layer can still be attached to the surface of an adhered article, the sticky blocks can be separated from the transparent base material layer by the adhesion force of the second pressure-sensitive adhesive layer, the water bag is torn, the torn anhydrous copper sulfate particles are contacted with water in the torn water bag and can turn blue, and the white color can not be recovered after the second pressure-sensitive adhesive layer is re-adhered, so that when a logistics packaging box is received, whether the pressure-sensitive adhesive tape is torn or not can be judged according to whether the surface of the pressure-sensitive adhesive tape turns blue, and the safety of packaged goods can be improved.
Among the above-mentioned technical scheme, preferred, transparent substrate layer and the sealing membrane is the PU rete.
Among the above-mentioned technical scheme, preferred, still be provided with annular protective sheath on the seal membrane, the water pocket is located annular protective sheath is inboard, annular protective sheath thickness more than or equal to the thickness of water pocket. By adopting the structure, the water bag can be prevented from being damaged due to the fact that the pressure sensitive adhesive tape is pressed in the process of pasting or transportation.
The processing method of the modified pressure-sensitive adhesive tape for logistics comprises the following steps: 1, taking a sealing film, adding water on one side of the sealing film, sticking the sealing film to form a water bag, and carrying out release treatment on the sealing film on the outer side of the water bag; 2, coating a transparent glue layer on the transparent substrate layer and sticking a polyurethane foam layer with a plurality of mounting openings; 3, adhering anhydrous copper sulfate particles on the transparent glue layer at the position of the mounting opening to reserve an adhesion area of the water bag and the sealing film; 4, attaching a sealing film to the transparent glue layer to seal the anhydrous copper sulfate particles, and attaching the other side of the water sac to the transparent glue layer; and 5, coating the pressure-sensitive adhesive on the polyurethane foam layer and the sealing film, wherein a gap is formed between the polyurethane foam layer and the pressure-sensitive adhesive on the sealing film to form a first pressure-sensitive adhesive layer and a second pressure-sensitive adhesive layer during coating, and curing for 6-8 days after drying. 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 technical scheme, preferably, the pressure-sensitive adhesive 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.
In the above technical solution, preferably, in the step 5, a ring-shaped gasket matching the shape of the sealing film is placed on the upper surface of the sealing film during the pressure-sensitive adhesive coating, and the first pressure-sensitive adhesive layer and the second pressure-sensitive adhesive layer are formed by removing the ring-shaped gasket after the pressure-sensitive adhesive coating. The gap can be conveniently processed by adopting the processing method to form the first pressure-sensitive adhesive layer and the second pressure-sensitive adhesive layer.
Compared with the prior art, the invention has the following beneficial effects: after the modified pressure-sensitive adhesive tape for logistics is adhered, the anhydrous copper sulfate particles are sealed by the sealing film and are always white, when the pressure-sensitive adhesive tape is torn, the transparent base material layer, the polyurethane foam layer and the first pressure-sensitive adhesive layer are pulled, the second pressure-sensitive adhesive layer can still be attached to the surface of an adhered article, the sticky blocks can be separated from the transparent base material layer by the adhesion force of the second pressure-sensitive adhesive layer, the water bag is torn, the torn anhydrous copper sulfate particles are contacted with water in the torn water bag and can turn blue, and the white color can not be recovered after the second pressure-sensitive adhesive layer is re-adhered, so that when a logistics packaging box is received, whether the pressure-sensitive adhesive tape is torn or not can be judged according to whether the surface of the pressure-sensitive adhesive tape turns blue, and the safety of packaged goods can be improved.
Drawings
Fig. 1 is a schematic structural diagram of a cross section of a finished product according to an embodiment of the invention.
Fig. 2 is a partially enlarged view of fig. 1.
Fig. 3 is a schematic structural diagram of a transparent substrate layer in an embodiment of the present invention.
Fig. 4 is a schematic structural view of the transparent substrate layer adhered with the polyurethane foam layer in the embodiment of the invention.
FIG. 5 is a schematic structural view of the mounting opening of the embodiment of the present invention after anhydrous copper sulfate particles are adhered thereto.
FIG. 6 is a schematic structural view of the transparent glue layer with the sealing film attached thereon according to the embodiment of the present invention.
Fig. 7 is a schematic structural diagram of a finished product according to 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 7, a modified pressure-sensitive adhesive tape for logistics includes a transparent substrate layer 1, a first pressure-sensitive adhesive layer 2 and a polyurethane foam layer 3, the transparent substrate layer 1 is adhered to one side of the polyurethane foam layer 3, the first pressure-sensitive adhesive layer 2 is coated on the other side of the polyurethane foam layer 3, a plurality of mounting ports 31 are formed in the polyurethane foam layer 3 on the side of the first pressure-sensitive adhesive layer 2, a plurality of mounting ports 31 are respectively provided with a sticky block 4, a transparent adhesive layer 5 is arranged in each mounting port 31, anhydrous copper sulfate particles 6 are adhered to the transparent adhesive layer 5, each sticky block 4 includes a sealing film 41, a water bag 42 and a second pressure-sensitive adhesive layer 43, the periphery of the sealing film 41 is adhered to the transparent adhesive layer 5 to seal the anhydrous copper sulfate particles 6, the adhesion position of the sealing film 41 to the transparent adhesive layer 5 is subjected to release treatment, the water bag 42 is positioned between the transparent adhesive layer 5 and the sealing film 41 and is fixed to the sealing film 41, one side of the water bag 42 is adhered to the transparent adhesive layer 5, the water bag 42 is filled with water, in order to prevent the water bag 42 from being accidentally broken when the pressure-sensitive adhesive tape is adhered, the water bag 42 is not filled with water, so that the water in the water bag 42 has a certain flowing gap, the second pressure-sensitive adhesive layer 43 is coated on the other side of the sealing film 41, and the sticky blocks 4 are separated from the transparent substrate layer 1, so that the water bag 42 can be torn, and the anhydrous copper sulfate particles 6 absorb water and turn blue. After the modified pressure-sensitive adhesive tape for logistics is adhered, the anhydrous copper sulfate particles are sealed by the sealing film 41, so the modified pressure-sensitive adhesive tape is always white, when the pressure-sensitive adhesive tape is torn, the transparent base material layer 1, the polyurethane foam layer 3 and the first pressure-sensitive adhesive layer 2 are pulled, the second pressure-sensitive adhesive layer 43 still can be attached to the surface of an adhered article, so the adhesion force of the second pressure-sensitive adhesive layer 43 can separate the sticky blocks 4 from the transparent base material layer 1, the water bag 42 is torn, the water in the torn water bag 42 can be blue by contacting the anhydrous copper sulfate particles 6, and the white color can not be recovered after re-adhesion, so when a logistics packaging box is received, whether the pressure-sensitive adhesive tape is torn or not can be judged by judging whether the surface of the pressure-sensitive adhesive tape is blue or not, and the safety of the packaged article can be improved.
In this embodiment, the transparent substrate layer 1 and the sealing film 41 are both PU films.
In this embodiment, the sealing film 41 is further provided with an annular protective sleeve 44, the water sac 42 is located inside the annular protective sleeve 44, and the thickness of the annular protective sleeve 44 is greater than or equal to that of the water sac 42. With this structure, the pressure-sensitive adhesive tape can be prevented from being pressed to break the water bladder 42 during the sticking or transportation.
The processing method of the modified pressure-sensitive adhesive tape for logistics comprises the following steps: 1, taking a sealing film, adding water on one side of the sealing film, pasting the film to form a water bag, carrying out release treatment on the sealing film on the outer side of the water bag, and pasting an annular protective sleeve on the sealing film, wherein the annular protective sleeve can be pasted on both sides of the sealing film, and the annular protective sleeve is pasted on the opposite side of the water bag on the sealing film in the embodiment; 2, coating a transparent glue layer on the transparent substrate layer, and sticking a polyurethane foam layer with a plurality of mounting ports, wherein the mounting ports are penetrated on the polyurethane foam layer, and the transparent glue adopts non-aqueous glue to prevent the non-aqueous copper sulfate particles from absorbing water from the glue; 3, adhering anhydrous copper sulfate particles on the transparent glue layer at the position of the mounting opening to reserve an adhesion area of the water bag and the sealing film; 4, attaching a sealing film to the transparent glue layer to seal the anhydrous copper sulfate particles, and attaching the other side of the water sac to the transparent glue layer; and 5, coating pressure-sensitive adhesive on the polyurethane foam layer and the sealing film, wherein the pressure-sensitive adhesive layer is 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 the mass parts, when coating, a gap is formed between the polyurethane foam layer and the pressure-sensitive adhesive on the sealing film to form a first pressure-sensitive adhesive layer and a second pressure-sensitive adhesive layer, and curing is carried out for 6-8 days after drying. Since the anhydrous copper sulfate particles can easily absorb moisture in the air, the humidity of the air needs to be controlled to be low during the processing process to prevent the anhydrous copper sulfate particles from absorbing water and turning blue. The film adhered to one side of the sealing film to form the water sac is a film which can pass through water molecules and is easy to tear.
In this embodiment, the perfluoro surfactant in the pressure-sensitive adhesive may be one or more of perfluorobutanesulfonyl fluoride, perfluorohexanesulfonyl fluoride, perfluorohexanesulfonamide, perfluorooctanesulfonamide, and perfluoroalkyl quaternary ammonium iodide.
In this embodiment, the organic solvent in the pressure-sensitive adhesive may be one or a combination of toluene, ethyl acetate, styrene, butanone, cyclohexanone, and petroleum ether.
In this embodiment, the curing agent in the pressure-sensitive adhesive may be one of an isocyanate curing agent, an epoxy curing agent, an aziridine curing agent, and a melamine curing agent.
In order to more conveniently process the first pressure-sensitive adhesive layer and the second pressure-sensitive adhesive layer at the gap, in the embodiment, in step 5, a ring-shaped gasket matched with the shape of the sealing film is arranged on the upper pad of the sealing film during the coating of the pressure-sensitive adhesive, and the first pressure-sensitive adhesive layer and the second pressure-sensitive adhesive layer are formed by taking off the ring-shaped gasket after the coating of the pressure-sensitive adhesive. Of course, in other embodiments, the first pressure-sensitive adhesive layer and the second pressure-sensitive adhesive layer can be formed by processing the gap directly during coating by means of back-off 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 (8)
1. The utility model provides a modified pressure-sensitive adhesive tape is used in commodity circulation, includes transparent substrate layer (1), first pressure-sensitive adhesive layer (2) and polyurethane foam layer (3), polyurethane foam layer (3) one side is pasted and is had transparent substrate layer (1), and the opposite side coating has first pressure-sensitive adhesive layer (2), its characterized in that: the polyurethane foam layer (3) is provided with a plurality of mounting holes (31) on the side of the first pressure-sensitive adhesive layer (2), the mounting holes (31) are provided with sticky blocks (4), a transparent adhesive layer (5) is arranged in the mounting holes (31), anhydrous copper sulfate particles (6) are adhered on the transparent adhesive layer (5), each sticky block (4) comprises a sealing film (41), a water bag (42) and a second pressure-sensitive adhesive layer (43), the periphery of the sealing film (41) is adhered and sealed with the transparent adhesive layer (5) to form the anhydrous copper sulfate particles (6), the adhesion part of the sealing film (41) and the transparent adhesive layer (5) is subjected to release treatment, the water bag (42) is positioned between the transparent adhesive layer (5) and the sealing film (41) and fixed on the sealing film (41), one side of the water bag (42) is adhered on the transparent adhesive layer (5), store up water in water pocket (42), second pressure sensitive adhesive layer (43) are coated the opposite side of sealing membrane (41), clay piece (4) with transparent substrate layer (1) separation can be torn water pocket (42) and make anhydrous copper sulfate granule (6) absorb water and turn blue, still be provided with annular protective sheath (44) on sealing membrane (41), water pocket (42) are located annular protective sheath (44) are inboard, annular protective sheath (44) thickness more than or equal to the thickness of water pocket (42).
2. The modified pressure-sensitive adhesive tape for distribution as claimed in claim 1, wherein: transparent substrate layer (1) and sealing membrane (41) are the PU rete.
3. A method for processing modified pressure-sensitive adhesive tape for logistics as claimed in any one of claims 1 to 2, comprising the steps of: 1, taking a sealing film, adding water on one side of the sealing film, sticking the sealing film to form a water bag, and carrying out release treatment on the sealing film on the outer side of the water bag; 2, coating a transparent glue layer on the transparent substrate layer and sticking a polyurethane foam layer with a plurality of mounting openings; 3, adhering anhydrous copper sulfate particles on the transparent glue layer at the position of the mounting opening to reserve an adhesion area of the water bag and the sealing film; 4, attaching a sealing film to the transparent glue layer to seal the anhydrous copper sulfate particles, and attaching the other side of the water sac to the transparent glue layer; and 5, coating the pressure-sensitive adhesive on the polyurethane foam layer and the sealing film, wherein a gap is formed between the polyurethane foam layer and the pressure-sensitive adhesive on the sealing film to form a first pressure-sensitive adhesive layer and a second pressure-sensitive adhesive layer during coating, and curing for 6-8 days after drying.
4. The method for processing modified pressure-sensitive adhesive tape for logistics as set forth in claim 3, wherein: the pressure-sensitive adhesive 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.
5. The method for processing modified pressure-sensitive adhesive tape for logistics as set forth in claim 4, wherein: the perfluorinated surfactant is one or more of perfluorobutyl sulfonyl fluoride, perfluorohexyl sulfonamide, perfluorooctyl sulfonamide and perfluoroalkyl quaternary ammonium iodide.
6. The method for processing modified pressure-sensitive adhesive tape for logistics as set forth in claim 4, wherein: the organic solvent is one or a combination of more of toluene, ethyl acetate, styrene, butanone, cyclohexanone and petroleum ether.
7. The method for processing modified pressure-sensitive adhesive tape for logistics as set forth in claim 4, wherein: the curing agent is one of isocyanate curing agent, epoxy curing agent, aziridine curing agent and melamine curing agent.
8. The method for processing modified pressure-sensitive adhesive tape for logistics as set forth in claim 3, wherein: and 5, laying a ring gasket matched with the shape of the sealing film on the upper surface of the sealing film during the pressure-sensitive adhesive coating, and removing the ring gasket after the pressure-sensitive adhesive coating to form the first pressure-sensitive adhesive layer and the second pressure-sensitive adhesive layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111324126.0A CN113956815B (en) | 2021-11-10 | 2021-11-10 | Modified pressure-sensitive adhesive tape for logistics and processing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111324126.0A CN113956815B (en) | 2021-11-10 | 2021-11-10 | Modified pressure-sensitive adhesive tape for logistics and processing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN113956815A CN113956815A (en) | 2022-01-21 |
| CN113956815B true CN113956815B (en) | 2022-04-22 |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69219210T2 (en) * | 1991-01-09 | 1997-08-07 | Nitto Denko Corp | DOUBLE-SIDED ADHESIVE TAPE, LAMINATED STRUCTURE THEREOF, ADHESIVE TAPE, AND METHOD FOR USE THEREOF |
| CN102120921A (en) * | 2010-01-07 | 2011-07-13 | 红云红河烟草(集团)有限责任公司 | Stealing and dismantling preventing adhesive tape |
| CN103333626B (en) * | 2013-07-19 | 2015-02-25 | 红云红河烟草(集团)有限责任公司 | Anti-burglar and anti-stripping tape and preparation method thereof |
| CN212655729U (en) * | 2020-06-16 | 2021-03-05 | 晋江市新迪新材料科技有限公司 | Biodegradable anti-theft opening sealing box adhesive tape |
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2021
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| CN113956815A (en) | 2022-01-21 |
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