CN110628336A - Can realize plane materiel recycle's no substrate double-sided tape - Google Patents
Can realize plane materiel recycle's no substrate double-sided tape Download PDFInfo
- Publication number
- CN110628336A CN110628336A CN201910909597.4A CN201910909597A CN110628336A CN 110628336 A CN110628336 A CN 110628336A CN 201910909597 A CN201910909597 A CN 201910909597A CN 110628336 A CN110628336 A CN 110628336A
- Authority
- CN
- China
- Prior art keywords
- sensitive adhesive
- water
- adhesive layer
- pressure
- release film
- Prior art date
- 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.)
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Classifications
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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
- C09J7/10—Adhesives in the form of films or foils without carriers
-
- 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]
-
- 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
- C09J7/383—Natural or synthetic rubber
-
- 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
-
- 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
- C09J2301/208—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive itself the adhesive layer being constituted by at least two or more adjacent or superposed adhesive layers, e.g. multilayer adhesive
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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
-
- 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
Abstract
This specification provides a can realize plane materiel recycle's no substrate double-sided tape, by the first type rete, water-soluble pressure sensitive adhesive layer, water-insoluble pressure sensitive adhesive layer, the second that stacks gradually the setting from the type rete to constitute, and water-soluble pressure sensitive adhesive layer can be dissolved in water. The thickness of the water-soluble pressure-sensitive adhesive layer is between 1 and 50 micrometers. The water-soluble pressure sensitive adhesive layer is towards one side of first type rete is in first can laminate with the plane materiel after getting rid of from the type rete. The invention has the outstanding effects that: the invention successfully solves the recycling problem of the pressure-sensitive adhesive adhered to the surface material by canceling the base material of the double-sided adhesive tape and introducing the water-soluble pressure-sensitive adhesive layer, so that the pressure-sensitive adhesive layer adhered to the surface material can be easily removed after being stirred in water, and the obstruction of the pressure-sensitive adhesive layer on the recycling of the surface material layer is eliminated.
Description
Technical Field
The invention belongs to the technical field of double-sided adhesive tapes, and particularly relates to a substrate-free double-sided adhesive tape capable of recycling a plane material.
Background
In the electronic industry, especially screens of electronic devices such as mobile phones and tablets need to be shipped for protection. In order to avoid the glue-killing process, a double-sided tape is usually used to attach the surface material to protect the screen. Therefore, a double-sided adhesive tape-laminated surface material (such as a PET film or paper) is widely used for shipment protection of a screen.
For example, fig. 1 shows a double-sided adhesive tape in the prior art. The double-sided tape in fig. 1 includes a first release film layer 11, a first pressure-sensitive adhesive layer 12, a substrate 13, a second pressure-sensitive adhesive layer 14, and a second release film layer 15, which are stacked in sequence.
However, after the common double-sided adhesive tape is attached to a surface material, the surface material and the base material cannot be recycled due to the pressure-sensitive adhesive, so that a great deal of resource waste and environmental pollution are caused.
Disclosure of Invention
The application aims to provide a no substrate double sided tape that can realize plane materiel recycle, it can realize rather than laminating plane materiel's complete recycle, has avoided wasting of resources and environmental pollution.
The no substrate double sided tape that this specification provided can realize plane materiel recycle comprises from type rete, water-soluble pressure sensitive adhesive layer, water-insoluble pressure sensitive adhesive layer, second that stack gradually the setting, and water-soluble pressure sensitive adhesive layer can be dissolved in water.
Preferably, the thickness of the water-soluble pressure-sensitive adhesive layer is between 1 and 50 micrometers.
Preferably, the water-soluble pressure-sensitive adhesive layer faces one side of the first release film layer and can be attached to the surface material after the first release film layer is removed.
Preferably, the thickness of the water-insoluble pressure-sensitive adhesive layer is between 1 and 50 micrometers.
Preferably, the water-soluble pressure-sensitive adhesive layer is an acrylate pressure-sensitive adhesive.
Preferably, the first release film layer is a silicone-based release film with a thickness of 25-100 microns.
Preferably, the second release film layer is an organic silicon release film or a non-silicon non-fluorine release film, and the thickness of the second release film layer is 25-100 micrometers.
Preferably, the double-sided tape has no substrate.
The invention has the outstanding effects that: the invention successfully solves the recycling problem of the pressure-sensitive adhesive adhered to the surface material by canceling the base material of the double-sided adhesive tape and introducing the water-soluble pressure-sensitive adhesive layer, so that the pressure-sensitive adhesive layer adhered to the surface material can be easily removed after being stirred in water, and the obstruction of the pressure-sensitive adhesive layer on the recycling of the surface material layer is eliminated. In addition, the invention also solves the problem of recycling the base material through the design of the double-sided adhesive tape without the base material, saves resources and reduces the pollution to the environment. In addition, the water-insoluble pressure-sensitive adhesive layer and the water-soluble pressure-sensitive adhesive layer are matched for use, so that the problems of sensitivity to water vapor, limited aging performance and the like caused by completely using the water-soluble pressure-sensitive adhesive layer can be effectively solved, and the recycling performance and the application aging performance are well balanced.
Drawings
In order to more clearly illustrate the embodiments of the present specification or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments described in the present specification, and for those skilled in the art, other drawings can be obtained according to the drawings without any creative effort.
Fig. 1 is a schematic structural view of a double-sided adhesive tape in the prior art.
Fig. 2 shows a double-sided adhesive tape without a base material, which can recycle a face material, in an embodiment of the present application.
Fig. 3 shows a schematic structural diagram of a paper-faced material and a release film on the other side of the paper-faced material after being peeled off in the embodiment of the present application.
Figure 4 shows another schematic of the structure of the present examples after application of the PET film facestock and release of the release film from the other side.
The figures of the above drawings are numbered: 11. a first release film layer; 12. a first pressure-sensitive adhesive layer; 13. a substrate; 14. a second pressure-sensitive adhesive layer; 15. a second release film layer; 2. a water-soluble pressure-sensitive adhesive layer; 3. a water-insoluble pressure-sensitive adhesive layer; 100. a paper facestock; 200. a PET film facestock.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present specification, the technical solutions in the embodiments of the present specification will be clearly and completely described below with reference to the drawings in the embodiments of the present specification, and it is obvious that the described embodiments are only a part of the embodiments of the present specification, and not all of the embodiments. All other embodiments obtained by a person skilled in the art based on the embodiments in the present specification without any inventive step should fall within the scope of protection of the present specification.
Referring to fig. 2, an embodiment of the present application provides a substrate-free double-sided tape capable of recycling a surface material, which is characterized in that: the water-soluble pressure-sensitive adhesive film is composed of a first release film layer 11, a water-soluble pressure-sensitive adhesive layer 2, a water-insoluble pressure-sensitive adhesive layer 3 and a second release film layer 15 which are sequentially stacked, and can be dissolved in water.
The invention has the outstanding effects that: according to the invention, the recycling problem of the surface material adhered with the pressure-sensitive adhesive is successfully solved by canceling the base material of the double-sided adhesive tape and introducing the water-soluble pressure-sensitive adhesive layer 2, so that the pressure-sensitive adhesive layer adhered to the surface material can be easily removed after being stirred in water, and the obstruction of the pressure-sensitive adhesive layer on the recycling of the base material layer is eliminated. In addition, the invention also solves the problem of recycling the base material through the design of the double-sided adhesive tape without the base material, saves resources and reduces the pollution to the environment. In addition, the water-insoluble pressure-sensitive adhesive layer 3 and the water-soluble pressure-sensitive adhesive layer 2 are matched for use, so that the problems of sensitivity to water vapor, limited aging performance and the like caused by completely using the water-soluble pressure-sensitive adhesive layer 2 can be effectively solved, and the recycling performance and the application aging performance are well balanced.
Specifically, the thickness of the water-soluble pressure-sensitive adhesive layer 2 is between 1 and 50 micrometers. The water-soluble pressure-sensitive adhesive layer 2 is an acrylate pressure-sensitive adhesive. The water-soluble pressure-sensitive adhesive layer 2 can be completely dissolved in water.
The thickness of the water-insoluble pressure-sensitive adhesive layer 3 is between 1 and 50 micrometers. The water-insoluble pressure-sensitive adhesive layer 3 can be acrylate pressure-sensitive adhesive, polyurethane pressure-sensitive adhesive, silica gel pressure-sensitive adhesive, rubber pressure-sensitive adhesive and the like. The water-insoluble pressure-sensitive adhesive layer 3 is insoluble in water.
Preferably, the first release film layer 11 is a silicone release film with a thickness of 25-100 μm.
The second release film layer 15 can be an organic silicon release film or a non-silicon non-fluorine release film according to the type of the non-water-soluble pressure-sensitive adhesive, and the thickness of the second release film layer is 25-100 micrometers.
Example 1
The double-sided tape in the embodiment of the application comprises a first release film layer 11, a water-soluble pressure-sensitive adhesive layer 2, a water-insoluble pressure-sensitive adhesive layer 3 and a second release film layer 15 which are sequentially stacked. Wherein, the first release film layer 11 is a PET silicone release film with a thickness of 50 micrometers.
The water-soluble pressure-sensitive adhesive layer 2 is AS3721, and the thickness of the adhesive layer is 15 microns.
The thickness of the water-insoluble pressure-sensitive adhesive layer 3 was 15 μm.
The second release film layer 15 is a PET silicone release film with a thickness of 50 micrometers.
Referring to fig. 3, after removing the first release film layer 111 in fig. 2, the paper surface material 100 of 150 g/square meter is attached, and the other release film layer is removed, and the tape is cut into 20mm by 20mm squares, and put into a beaker with tap water and stirred. After 5 minutes, the water-insoluble adhesive layer 3 is completely released from the surface of the paper sheet 100 with the dissolution of the water-soluble pressure-sensitive adhesive layer 2.
Example 2
The double-sided tape in the embodiment of the application comprises a first release film layer 11, a water-soluble pressure-sensitive adhesive layer 2, a water-insoluble pressure-sensitive adhesive layer 3 and a second release film layer 15 which are sequentially stacked.
Wherein, the first release film layer 11 is a 50 micron PET organosilicon release film.
The water-soluble pressure-sensitive adhesive layer 2 was AS3721, and the adhesive layer thickness was 10 μm.
The thickness of the water-insoluble pressure-sensitive adhesive layer 3 was 10 μm.
The second release film layer 15 is a PET silicone release film with a thickness of 50 micrometers.
Referring to fig. 4, after the first release film layer 11 was removed, the water-soluble pressure-sensitive adhesive layer 2 was attached to a 50 μm PET film surface material 200, and the second release film layer 15 was removed from the other side, the tape was cut into 20mm by 20mm squares and put into a beaker of tap water and stirred for 15 minutes, and then the tape was completely peeled off from the surface of the PET film surface material 200.
In conclusion, the double-sided adhesive tape in the embodiment of the application can be completely removed from the surface of the surface material through the bubble stirring treatment, so that the surface material can be recycled, and the resource waste and the environmental pollution are avoided.
An application scenario of the embodiment of the present application may be as follows:
the first release film layer 11 is removed (i.e., the release film on the water-soluble pressure-sensitive adhesive side), and then the first face material (i.e., the face material to be recycled, such as PET film, PC film, PP film, PE film, paper, etc.) is laminated with the water-soluble pressure-sensitive adhesive layer 2, and after die-cutting into the screen shape of a mobile phone or other electronic device, the second release film 15 (i.e., the water-insoluble pressure-sensitive adhesive side) is removed. Then, the water-insoluble pressure-sensitive adhesive layer 3 is attached to the screen to form a protective film. Once the customer purchases a cell phone or other electronic device, the protective film is peeled off the screen through the water-insoluble pressure-sensitive adhesive layer 3 (low-tack removable pressure-sensitive adhesive).
The torn protective film comprises a double-sided adhesive tape (both sides of the release film are removed) + a first surface material to be recovered, and the protective film is sent to a recovery manufacturer to be placed in water to separate the adhesive layer, so that the first surface material is recovered.
While the present application has been described by way of examples, those of ordinary skill in the art will appreciate that there are numerous variations and permutations of the present application that do not depart from the spirit of the present application and that the appended embodiments are intended to include such variations and permutations without departing from the present application.
Claims (8)
1. A can realize no substrate double-sided tape of plane materiel recycle which characterized in that: the first release film layer, water-soluble pressure-sensitive adhesive layer, water-insoluble pressure-sensitive adhesive layer and the second release film layer which are sequentially stacked form the water-soluble pressure-sensitive adhesive layer, and the water-soluble pressure-sensitive adhesive layer can be dissolved in water.
2. The double-sided tape according to claim 1, characterized in that: the thickness of the water-soluble pressure-sensitive adhesive layer is between 1 and 50 micrometers.
3. The double-sided tape according to claim 1, characterized in that: the water-soluble pressure sensitive adhesive layer is towards one side of first type rete is in first can laminate with the plane materiel after getting rid of from the type rete.
4. The double-sided tape according to claim 1, characterized in that: the thickness of the water-insoluble pressure-sensitive adhesive layer is between 1 and 50 micrometers.
5. The double-sided tape according to claim 1, characterized in that: the water-soluble pressure-sensitive adhesive layer is an acrylate pressure-sensitive adhesive.
6. The double-sided tape according to claim 1, characterized in that: the first release film layer is an organic silicon release film, and the thickness of the first release film layer is 25-100 micrometers.
7. The double-sided tape according to claim 1, characterized in that: the second release film layer is an organic silicon release film or a non-silicon non-fluorine release film, and the thickness of the second release film layer is 25-100 micrometers.
8. The double-sided tape according to claim 1, characterized in that: the double-sided tape has no substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910909597.4A CN110628336A (en) | 2019-09-25 | 2019-09-25 | Can realize plane materiel recycle's no substrate double-sided tape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910909597.4A CN110628336A (en) | 2019-09-25 | 2019-09-25 | Can realize plane materiel recycle's no substrate double-sided tape |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110628336A true CN110628336A (en) | 2019-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910909597.4A Pending CN110628336A (en) | 2019-09-25 | 2019-09-25 | Can realize plane materiel recycle's no substrate double-sided tape |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114973916A (en) * | 2022-06-24 | 2022-08-30 | 浙江龙游道明光学有限公司 | Method for manufacturing reflective hot-sticking strip with patterns on male and female surfaces |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205710542U (en) * | 2016-03-03 | 2016-11-23 | 东莞市纳利光学材料有限公司 | A kind of anti-blue light of shock resistance is without base material OCA optical adhesive film |
| CN107556936A (en) * | 2017-09-08 | 2018-01-09 | 安徽明讯新材料科技股份有限公司 | A kind of environmentally friendly diaphragm for touch-control glass screen and preparation method thereof |
| CN210945456U (en) * | 2019-09-25 | 2020-07-07 | 苏州德佑胶带技术有限公司 | Can realize plane materiel recycle's no substrate double-sided tape |
-
2019
- 2019-09-25 CN CN201910909597.4A patent/CN110628336A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205710542U (en) * | 2016-03-03 | 2016-11-23 | 东莞市纳利光学材料有限公司 | A kind of anti-blue light of shock resistance is without base material OCA optical adhesive film |
| CN107556936A (en) * | 2017-09-08 | 2018-01-09 | 安徽明讯新材料科技股份有限公司 | A kind of environmentally friendly diaphragm for touch-control glass screen and preparation method thereof |
| CN210945456U (en) * | 2019-09-25 | 2020-07-07 | 苏州德佑胶带技术有限公司 | Can realize plane materiel recycle's no substrate double-sided tape |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114973916A (en) * | 2022-06-24 | 2022-08-30 | 浙江龙游道明光学有限公司 | Method for manufacturing reflective hot-sticking strip with patterns on male and female surfaces |
| CN114973916B (en) * | 2022-06-24 | 2023-09-19 | 浙江龙游道明光学有限公司 | Manufacturing method of reflective thermal adhesive strip with pattern on negative and positive surfaces |
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| CB02 | Change of applicant information |
Address after: 215000 52 Caohu Avenue, Caohu street, Xiangcheng District, Suzhou City, Jiangsu Province Applicant after: Suzhou Deyou New Material Technology Co.,Ltd. Address before: 215000 bakhe friendship Industrial Zone, Songling Town, Wujiang City, Suzhou City, Jiangsu Province Applicant before: SUZHOU DEYOU ADHESIVE TAPE TECHNOLOGY Co.,Ltd. |
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