CN118015915A - Anti-ultraviolet degradable label with service life indication function - Google Patents
Anti-ultraviolet degradable label with service life indication function Download PDFInfo
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- CN118015915A CN118015915A CN202410245815.XA CN202410245815A CN118015915A CN 118015915 A CN118015915 A CN 118015915A CN 202410245815 A CN202410245815 A CN 202410245815A CN 118015915 A CN118015915 A CN 118015915A
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- 238000001782 photodegradation Methods 0.000 claims abstract description 21
- 239000012790 adhesive layer Substances 0.000 claims abstract description 20
- 238000007639 printing Methods 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 15
- 230000006750 UV protection Effects 0.000 claims abstract description 12
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- 239000000853 adhesive Substances 0.000 claims description 28
- 230000001070 adhesive effect Effects 0.000 claims description 22
- 238000004806 packaging method and process Methods 0.000 claims description 22
- 239000003795 chemical substances by application Substances 0.000 claims description 15
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- FJERMCQUSONQAU-UHFFFAOYSA-N 2,4,6-tripyridin-2-yl-1h-triazine Chemical compound N1N(C=2N=CC=CC=2)N=C(C=2N=CC=CC=2)C=C1C1=CC=CC=N1 FJERMCQUSONQAU-UHFFFAOYSA-N 0.000 description 1
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- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical group [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
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Landscapes
- Laminated Bodies (AREA)
Abstract
The invention relates to the technical field of labels, in particular to an ultraviolet-resistant degradable label with a service life indication function, which comprises a surface layer, an adhesive layer and a release layer. The ultraviolet-resistant and life-indicating label can realize ultraviolet resistance and life-indicating functions through the cooperation among the printing layer, the surface layer and the photodegradable material. The printing layer is used for printing the graph on the surface layer in a screen printing mode and the like, the plastic film in the surface layer is made of three materials, namely a PP film, a PE film and a PVC film, 1-5 parts of photodegradation auxiliary agents with visual stability are added in each plastic film according to parts by weight, the proportion of the auxiliary agents is adjusted, so that the label has service life indication functions with different lengths, the label is stable in property under ultraviolet irradiation in the early stage and does not fade, the label can be quickly degraded under light after color change in the later stage, the label is kept stable in the blue/blue brown earlier stage, the ultraviolet resistance of the surface material is improved, no additional light stabilizer is needed, and a user is intuitively reminded of checking whether equipment for label attachment needs to be replaced or not when the whole label is transparent, and potential safety hazards are eliminated.
Description
Technical Field
The invention relates to the technical field of labels, in particular to an ultraviolet-resistant degradable label with a service life indication function.
Background
Labels are ubiquitous in life, and are used in various industries to play different roles, such as identifying commodity classification, price and introduction, product anti-counterfeiting, safety warning and the like. Meanwhile, the label is convenient for information management, and in a commercial environment, the product label carries basic information such as names and addresses of producers, product specifications, grades, quantity, main components and contents contained in net content, notes and the like, so that the identification and understanding are convenient.
Outdoor facilities such as amusement park plastic instruments, store propaganda signboards and supports, store sunshades, outdoor pipelines and the like, outdoor equipment including outdoor exercises and camping equipment, building site safety helmets and the like can bear the wind and sun all the year round when in use, and the outdoor facilities and equipment need to be checked and replaced after a certain period of use, but the abrasion and ageing conditions of the outdoor facilities and equipment are often ignored in daily use, so that potential safety hazards can be generated. Labels may be used to alert the user of some information, but text or pattern content alone may not be intuitive enough to alert.
Disclosure of Invention
In order to solve the problem that the replacement time on the equipment label is easy to ignore, so that the equipment potential safety hazard is caused, the invention provides an ultraviolet-resistant degradable label with a service life indication function.
The invention provides an ultraviolet-resistant degradable label with a service life indication function, which adopts the following technical scheme: the surface layer is adhered and covered with a printing layer, the adhesive bonding structure comprises a first adhesive layer, a second adhesive layer and a photodegradation layer, the outer surface of the printing layer is adhered and covered with a reflective patch, the outer surface of the reflective patch is provided with a smooth touch layer with parallelogram equidistance, and the outer surface of the reflective patch is provided with handwriting kraft paper.
Optionally, the interior of the facing is filled with a photodegradation aid having a visually stable phase.
Optionally, the second adhesive layer is adhered to the outer surface of the photodegradable layer on the surface far away from the release layer, and the photodegradable layer is adhered to the outer surface of the first adhesive layer on the surface far away from the second adhesive layer.
Optionally, the overall thickness of the adhesive structure is 20-50 μm.
Optionally, an encapsulation patch is adhered to the outer surface of the reflective patch, a layer of self-adhesive is covered on one surface of the encapsulation patch close to the surface layer and the adhesive structure, and the outer surface of the encapsulation patch is adhered to the outer surfaces of the surface layer and the adhesive structure through the self-adhesive respectively.
Optionally, the area of the release layer is slightly larger than that of the surface layer, and the outer surface of the release layer is covered with a layer of non-adhesive and lubricated release agent.
Optionally, the reflective paste and the packaging paste are made of opaque soft rubber, and equidistant strip-shaped corrugations are arranged on one surface of the reflective paste and the packaging paste far from the surface layer
In summary, the invention has the following beneficial technical effects:
1. according to the invention, the ultraviolet resistance and the service life indication function of the label are realized through the matching among the printing layer, the surface layer and the photodegradable material. The printing layer is used for printing the graph on the surface of the outermost layer of the surface layer in a screen printing mode and the like, the plastic film in the surface layer is made of three materials, namely a PP film, a PE film and a PVC film, 1-5 parts of photodegradation auxiliary agents with visual stability are added in the plastic film according to parts by weight, the proportion of the auxiliary agents is adjusted to enable the label to have service life indication functions of different durations, the label is stable in property and does not fade in the early stage under ultraviolet irradiation, the label can be quickly degraded in the later stage after color change under the irradiation, the label is kept stable in the early stage of blue/blue brown color, the ultraviolet resistance of the surface material is improved, no additional light stabilizer is needed, and when the label is transparent in whole, a user is intuitively reminded of whether equipment for checking the label adhesion needs to be replaced or not, and potential safety hazards are eliminated
2. According to the invention, through the cooperation between the packaging paste and the light reflecting paste, the packaging paste can carry out covering adhesion on two sides of the light reflecting paste, so that the light degradation material in the label cannot be irradiated by external light before the label is used, further, the label cannot be degraded when being sealed, and the label can be stored for a long time in a sealing occasion containing light.
Drawings
FIG. 1 is a schematic view of the overall structure of an embodiment of the present application;
FIG. 2 is a partially broken-away schematic illustration of an embodiment of the present application;
FIG. 3 is a partially cut-away plan view of an embodiment of the present application.
Reference numerals: 1. a surface layer; 2. an adhesive structure; 3. a release layer; 4. printing a layer; 5. a first adhesive layer; 6. a second adhesive layer; 7. a photodegradation layer; 8. a reflective patch; 9. and packaging the paste.
Detailed Description
The application is described in further detail below with reference to fig. 1-3.
The embodiment of the invention discloses an ultraviolet-resistant degradable label with a service life indication function. As shown in fig. 1,2 and 3, the adhesive comprises a surface layer 1, an adhesive structure 2 and a release layer 3, wherein the outer surface of the surface layer 1 is adhered with a printing layer 4, the adhesive structure 2 comprises a first adhesive layer 5, a second adhesive layer 6 and a photodegradation layer 7, the outer surface of the printing layer 4 is adhered with a reflective patch 8, the printing layer 4 is used for printing a pattern on the surface of the outermost layer of the surface layer 1 in a screen printing mode, the surface layer 1 is a plastic film, the material of the surface layer 1 can be selected from three types of PP film, PE film and PVC film, 1-5% of photodegradation auxiliary agent with a visual stable period is added in the plastic film according to parts by weight, the photodegradation auxiliary agent with the visual stable period consists of 1 part of photocatalyst, 0.01-10 parts of photocatalyst photo-generated electron-hole consuming agent and 0.00-20.00 parts of photo-generated electron-hole consuming agent complex, and the photocatalyst comprises any one of ultraviolet light response catalyst and visible light response catalyst, and the ultraviolet light response catalyst is 2、ZnO、NiO、SrTiO3、KTaO3、K4Nb6O17、BaTiO3; the visible light response catalyst is any one of modified TiO 2 and modified ZnO, siC, cdSe; the photocatalyst photo-generated electron-hole consuming agent is a reversible redox pair or photo-generated electron-hole pair capturing agent. Photogenerated electron-hole depleting agent complexes include starch and metal ion chelators; wherein: the photo-response switch with the service life indication function is characterized in that under the illumination of initial sunlight, a photo-catalyst photo-generated electron-hole consuming agent in the auxiliary agent plays a role in inhibiting the photo-catalyst photo-catalytic activity, so that the photo-catalyst can not play a role in photo-catalytic activity on auxiliary agent external substances even if photo-generated electron-hole pairs are generated under the illumination; after a certain period of illumination, the photo-generated electron-hole consuming agent in the auxiliary agent fails, and photo-generated electron-hole pairs generated by the photocatalyst can play a role in photocatalysis on substances outside the auxiliary agent.
The visual indicator of the photodegradation auxiliary agent with visual stability period is that the auxiliary agent can not exert photocatalytic activity on auxiliary agent external substances, and has one of the following colors: brown, violet, brown, orange, yellow, green, blue, bluish violet or purplish red, upon illumination in sunlight for a period of time, the auxiliary color changes to one of the following colors: the auxiliary agent with changed color has the function of playing the photocatalytic activity on the auxiliary agent external substances.
TiO 2 includes anatase, rutile, brookite, and amorphous; znO comprises a hexagonal wurtzite structure, a cubic zincblende structure, a cubic rock salt structure and amorphous; modified TiO 2 and modified ZnO are modified by one or a plurality of modification methods of metal element modification, nonmetal element modification and metal element/nonmetal element co-modification; the TiO 2 and ZnO can be in the form of powder, bulk, film or sol, and can also be nanowires, nanotubes, nanospheres or nanoirregularities. The reversible redox couple includes: i 3-/I-、I2/I- and Fe 2+/Fe3+; the photogenerated electron-hole pair trapping agent comprises: agNO 3 -formic acid, agNO 3 -triethanolamine and KBrO 3 -sodium bicarbonate; the metal ion chelating agent includes: 2,4, 6-tris (2-pyridyl) triazine and bathophenanthroline disulfonic acid disodium salt hydrate; the photodegradation auxiliary agent with the visual stabilization period is prepared by adopting a layer-by-layer modification method, a codeposition method or a photocatalyst sol method.
The proportion of the auxiliary agent is adjusted to enable the label to have service life indication functions of different durations, the label is stable in property under ultraviolet irradiation in the early stage, does not fade, can be rapidly degraded under illumination after being discolored in the later stage, so that the photodegradation color-changing surface layer 1 material for preparing the label by mixing the photodegradation auxiliary agent with the plastic master batch with the visual stability period can be obviously observed by naked eyes after being discolored, the label has the service life indication function, the label is enabled to be kept stable in the earlier stage of blue/blue brown color, the ultraviolet resistance of the surface material is improved, no extra light stabilizer is needed, and a user is intuitively reminded of whether equipment for checking label needs to be replaced or not when the label is transparent after being illuminated for a period of time, and potential safety hazards are eliminated.
The outer surface of the reflective sticker 8 is provided with a smooth touch layer with parallelogram equal distance, the smooth touch layer is gradually changed in color and used for reminding a user that the tag is in a not-started state, the outer surface of the reflective sticker 8 is provided with handwriting kraft paper, the handwriting kraft paper can be used for writing marks by using a marker pen or an oily pen before the tag is used, and therefore the user cannot know the pattern and text type and specification information printed by the printing layer 4 before the reflective sticker 8 is not torn off when the reflective sticker is in actual use.
The embodiment of the invention discloses an ultraviolet-resistant degradable label with a service life indication function. As shown in fig. 2 and 3, the overall thickness of the adhesive structure 2 is 20-50 μm, the first adhesive layer 5 and the second adhesive layer 6 are one of hot melt adhesive, acrylic resin adhesive, oxidized starch adhesive and resin adhesive, the second adhesive layer 6 is adhered to the outer surface of the photodegradable layer 7 on the surface far away from the release layer 3, the photodegradable layer 7 is adhered to the outer surface of the first adhesive layer 5 on the surface far away from the second adhesive layer 6, 1-2 parts of photodegradable auxiliary agent with a visual stable period is adopted as the photodegradable layer 7, the photodegradable auxiliary agent in the visual stable period mainly comprises 1 part of photocatalyst, 0.01-10 parts of photocatalyst photo-generated electron-hole consuming agent and 0.00-20.00 parts of photo-generated electron-hole consuming agent complex, the photocatalyst comprises a visible light response catalyst and a visible light response catalyst, and the ultraviolet light response catalyst is TiO 2; the visible light response catalyst is modified TiO 2; the photocatalyst photo-generated electron-hole consuming agent is a reversible redox couple I 3 -/I-、I2/I- and Fe 2+/Fe3+; photogenerated electron-hole depleting agent complexes include, but are not limited to, starch and the metal ion chelating agents AgNO 3 -formic acid, agNO 3 -triethanolamine and KBrO 3 -sodium bicarbonate. When the surface layer 1 changes color, the overall light transmission of the label is increased, and the photodegradation layer 7 can accelerate the degradation of the adhesive structure 2 under the irradiation of light.
The embodiment of the invention discloses an ultraviolet-resistant degradable label with a service life indication function. As shown in fig. 1, the outer surface of the reflective patch 8 is adhered with a packaging patch 9, the packaging patch 9 can be used for carrying out covering adhesion on two sides of the reflective patch 8, so that the reflective patch 8 cannot be interfered by the outside to cause the peripheral viscosity of the reflective patch 8 to lose, the reflective patch 8 can block the light above the reflective patch before use, and then the reflective patch 8 can not start to degrade when the label is sealed, one surface of the packaging patch 9, which is close to the surface layer 1 and the adhesive structure 2, is covered with a layer of self-adhesive, the surface of the packaging patch 9, which faces the surface layer 1 and the adhesive structure 2, is always kept sticky, one surface of the packaging patch 9, which is far away from the surface layer, is covered with a layer of copper paper film, the self-adhesive is made of a small amount of photo-degradation auxiliary agent and colloid made of cyanoacrylate or epoxy resin, the outer surface of the packaging patch 9 is mutually adhered with the outer surface of the surface layer 1 and the adhesive structure 2 respectively, the packaging patch 9 can carry out the label outside before use, the area of the packaging patch 9 is slightly larger than the surface layer 1, the thickness is 100-150 μm, and the thickness is convenient to take off the surface layer 1. The release layer 3 base paper is one of glassine base paper, coated paper, PLA film, straw pulp paper and acetate fiber film, the base paper is made of environment-friendly materials, and the whole label is degradable. The adhesive-free and lubricated release agent of base paper surface coating, the label is glued and can not influence the stickness of gluing layer on release layer 3, take off the label from release layer 3 and can normally use, reflection of light subsides 8 and encapsulation are the opaque soft gum material with encapsulation and paste 9, can avoid outside light to shine on the inside degradation material of label before the label uses, make the label itself can be in the long-time storage of the occasion of sealing that contains light, reflection of light subsides 8 are provided with equidistant rectangular ripple with encapsulation paste 9 in the one side of keeping away from surface course 1, increase with the frictional force between the fingerprint.
When the label is required to be used, the pasting position is determined firstly, then the release layer 3 is uncovered, the label is adhered to the wall surface or the surface of equipment through the second adhesive layer 6, when the label is used formally, the packaging label 9 and the reflective label 8 are torn off successively, after the packaging label 9 is torn off, one surface of the packaging label 9, which is originally facing to the surface layer 1 and the adhesive structure, can be exposed, a small amount of photodegradation auxiliary agent in the adhesive after exposure starts to degrade the packaging label, meanwhile, external light can irradiate on the photodegradation auxiliary agent with a visual stable period through the printing layer 4 and the plastic film, the light reflected by the photodegradation auxiliary agent with the visual stable period is deep blue, the surface layer 1 is transparent, when the photodegradation auxiliary agent with the visual stable period is changed to white, the surface layer 1 is transparent [ tiny auxiliary agent particles are changed to white after being irradiated for a certain time, the plastic film (namely the surface layer 1) containing the auxiliary agent is wholly seen to be transparent ], the plastic film of the surface layer 1 is quickly degraded, the external light can penetrate through the adhesive layer 4 and the plastic film is irradiated on the first layer 7, the first layer is still transparent after the visual stable period is changed to the visual stable period, the visual degradation auxiliary agent is gradually changed to be the transparent through the visual stable period, the visual degradation auxiliary agent is gradually changed to the visual transparent after the visual stable period is observed, the visual degradation of the visual degradation is gradually is changed to the visual transparent through the visual transparent film, and the visual degradation auxiliary agent is changed to the visual transparent after the visual stable layer is changed to the visual transparent layer is changed to the surface 1.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (7)
1. The utility model provides an ultraviolet resistance just has degradable label of life-span instruction function, includes surface course (1), glues and bond construct (2) and from type layer (3), its characterized in that: the surface of surface course (1) glues and covers printing layer (4), glue and bond construct (2) including first gluing layer (5), second gluing layer (6) and photodegradation layer (7), the surface of printing layer (4) glues and covers and have reflection of light subsides (8), the surface of reflection of light subsides (8) is provided with the equidistant smooth touch layer of parallelogram, the surface of reflection of light subsides (8) is provided with but handwriting kraft paper.
2. A degradable label with ultraviolet resistance and life indicating function according to claim 1, characterized in that: the inside of the surface layer (1) is filled with a photodegradation auxiliary agent with a visual stability period, the material of the surface layer (1) plastic film can be one of a PP film, a PE film and a PVC film, and 1% -5% of the photodegradation auxiliary agent with the visual stability period is added into the surface layer (1) plastic film according to parts by weight.
3. A degradable label with ultraviolet resistance and life indicating function according to claim 1, characterized in that: the second adhesive layer (6) is adhered to the outer surface of the photodegradable layer (7) on the side far away from the release layer (3), and the photodegradable layer (7) is adhered to the outer surface of the first adhesive layer (5) on the side far away from the second adhesive layer (6).
4. A degradable label with ultraviolet resistance and life indicating function according to claim 1, characterized in that: the overall thickness of the adhesive structure (2) is 20-50 mu m.
5. A degradable label with ultraviolet resistance and life indicating function according to claim 1, characterized in that: the outer surface of the reflective paste (8) is adhered with a packaging paste (9), one surface, close to the surface layer (1), of the packaging paste (9) and the adhesive structure (2) is covered with a layer of self-adhesive, and the outer surface of the packaging paste (9) is adhered with the outer surface of the surface layer (1) and the adhesive structure (2) through the self-adhesive.
6. A degradable label with ultraviolet resistance and life indicating function according to claim 1, characterized in that: the area of the release layer (3) is slightly larger than that of the surface layer (1), and the outer surface of the release layer (3) is covered with a layer of non-adhesive and lubricated release agent.
7. A degradable label with ultraviolet resistance and life indicating function according to claim 1, characterized in that: the light reflecting paste (8) and the packaging paste (9) are made of light-tight soft rubber materials, and equidistant strip-shaped corrugations are arranged on one surfaces, far away from the surface layer (1), of the light reflecting paste (8) and the packaging paste (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410245815.XA CN118015915A (en) | 2024-03-05 | 2024-03-05 | Anti-ultraviolet degradable label with service life indication function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410245815.XA CN118015915A (en) | 2024-03-05 | 2024-03-05 | Anti-ultraviolet degradable label with service life indication function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118015915A true CN118015915A (en) | 2024-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410245815.XA Pending CN118015915A (en) | 2024-03-05 | 2024-03-05 | Anti-ultraviolet degradable label with service life indication function |
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| Country | Link |
|---|---|
| CN (1) | CN118015915A (en) |
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- 2024-03-05 CN CN202410245815.XA patent/CN118015915A/en active Pending
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