CN203715554U - Protective adhesive tape for touch screen - Google Patents
Protective adhesive tape for touch screen Download PDFInfo
- Publication number
- CN203715554U CN203715554U CN201420028531.7U CN201420028531U CN203715554U CN 203715554 U CN203715554 U CN 203715554U CN 201420028531 U CN201420028531 U CN 201420028531U CN 203715554 U CN203715554 U CN 203715554U
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- CN
- China
- Prior art keywords
- film
- silicon
- touch
- adhesive tape
- release layer
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a protective adhesive tape for a touch screen. The protective adhesive tape sequentially comprises a PET layer, a pressure sensitive adhesive layer and a non-silicon release layer, wherein the non-silicon release layer is any one of a PE film, a PP film or a PET film. The protective adhesive tape for the touch screen adopts the non-silicon release layer such as the PE film, the PP film or the PET film, solves the problem of silicon pollution caused by the existing pressure sensitive adhesive protective film and avoids silicon pollution, and the cost of the non-silicon release layer which is same in thickness is far lower than that of the silicon-containing release layer. On the other hand, as the PE film and the PP film are flexible, the problem of poor attachment (bubbles) in the manufacturing process of the protective adhesive tape can be improved. According to the protective adhesive tape, the cost can be lowered and the process can be simplified, and the protective adhesive tape is easy to implement and has a wide market prospect.
Description
Technical field
The utility model relates to a kind of protective tapes, relates in particular to a kind of touch-screen protective tapes.
Background technology
The glass, the plastics etc. that in touch-screen, use; often need to cut, print, cross the making technologies such as high temperature; in these making technologies or in transportation, often need to protect its surface not to be scratched and to produce the pollution of contact with pressure sensitive adhesive protective membrane.
And pressure sensitive adhesive protective membrane of the prior art is normally taking PET as base material, using siliceous release film as release layer.In use; peel off after siliceous release film; having part silicon transfers on pressure sensitive adhesive glue face; pressure sensitive adhesive glue face is transferred to silicon on the surface of its glass, plastics etc. that attach again; therefore be easy to occur to cause because pressure sensitive adhesive protective membrane silicon is residual glass, frosting can variation, and then cause some detrimentally affects that occur in the follow-up processing procedure that is adhesively fixed: such as the problem such as OCA glue poor attachment, double sticky tape poor attachment.In addition, in the manufacture processing procedure of some electronic products, silicon pollution can cause the problems such as loose contact.In Chinese patent CN203159518U, disclose a kind of polymer Li-ion battery cross cutting protective tapes, comprised the separate-type paper of bottom, be pasted on the pp protective tapes on separate-type paper upper strata, be pasted on the pp release film on pp protective tapes.But just there is above-mentioned silicon pollution problem in the product in this patent.
At present, on market, also there is the pressure sensitive adhesive protective membrane polluting in order to evade silicon, use the release treatment agent of non-silicon, but material surface is done to the release processing coating of non-silicon, must cause the rising of cost.And the non-silicon release film that adopts the release treatment agent of non-silicon to manufacture, as fluorine element release film, places the problem that just there will be separability sharply to rise above in 3 months, causes using, and life cycle is short.And the non-silicon release film of other types, the less stable of separability easily occurs causing too greatly equipment downtime because of separability fluctuation in automation process operation.
Summary of the invention
In view of the defect that above-mentioned prior art exists, the purpose of this utility model is to propose a kind of touch-screen protective tapes, can thoroughly stop silicon and pollute.
The purpose of this utility model will be achieved by the following technical programs:
A kind of touch-screen protective tapes, comprises pet layer, pressure sensitive adhesive layer and non-silicon release layer successively, and described non-silicon release layer is any one in PE film, PP film or PET film.
Preferably, above-mentioned a kind of touch-screen protective tapes, wherein: the thickness of described pet layer is 25 μ m ~ 125 μ m.
Preferably, above-mentioned a kind of touch-screen protective tapes, wherein: the thickness of described pressure sensitive adhesive layer is 2 μ m ~ 20 μ m.
Preferably, above-mentioned a kind of touch-screen protective tapes, wherein: described pressure sensitive adhesive layer is acrylic acid-2-ethyl ethyl ester (2-EHA) pressure sensitive adhesive layer.
Preferably, above-mentioned a kind of touch-screen protective tapes, wherein: the thickness of described non-silicon release layer is 30 μ m ~ 70 μ m.
Preferably, above-mentioned a kind of touch-screen protective tapes, wherein: the density of described PE film is greater than 0.94g/cm
2.
Preferably, above-mentioned a kind of touch-screen protective tapes, wherein: the surface tension of described PE film is less than 30 dyne.
Preferably, above-mentioned a kind of touch-screen protective tapes, wherein: described PP film is BOPP film.
Preferably, above-mentioned a kind of touch-screen protective tapes, wherein: the surface tension of described BOPP film is less than 30 dyne.
Outstanding effect of the present utility model is:
A kind of touch-screen of the present utility model passes through to adopt the non-silicon release layers such as PE film, PP film or PET film with protective tapes, solve the problem that the existing silicon of existing pressure sensitive adhesive protective membrane pollutes, stop to occur silicon contamination phenomenon, and the cost of the non-silicon release layer of stack pile is well below siliceous release layer; On the other hand, because PE film and PP film have flexibility, can improve attaching bad (bubble) problem that protective tapes produces in manufacturing processed.The utility model can reduce costs, and simplifies technique, easy to implement, has wide market outlook.
Below just accompanying drawing in conjunction with the embodiments, is described in further detail embodiment of the present utility model, so that technical solutions of the utility model are easier to understand, grasp.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
A kind of touch-screen protective tapes of the present utility model, as shown in Figure 1, comprises pet layer 1, pressure sensitive adhesive layer 2 and non-silicon release layer 3 successively.
In an embodiment of the present utility model, the thickness of pet layer 1 is 25 μ m ~ 125 μ m, and the thickness of pressure sensitive adhesive layer 2 is 2 μ m ~ 20 μ m, and the thickness of non-silicon release layer 3 is 30 μ m ~ 70 μ m.
In another embodiment of the present utility model, optional, non-silicon release layer 3 is any one in PE film, PP film or PET film, and pressure sensitive adhesive layer 2 is acrylic acid-2-ethyl ethyl ester (2-EHA) pressure sensitive adhesive layer.
Pressure sensitive adhesive layer 2 is to the sticking power on non-silicon release layer 3 surfaces and the sticking power on pet layer 1 surface is existed to certain gap, could realize the effect that non-silicon release layer 3 is stripped from.So just requiring the surface on non-silicon release layer 3 surfaces can have a certain distance with the surface on pet layer 1 surface, just can there is certain gap to both sticking power in pressure sensitive adhesive layer 2.
Polyethylene film (PE film), polypropylene screen (PP film) are the polyester films that surface can be lower, and former film is not in the situation that doing special processing, and surface tension is lower than 30 dyne.In protective tapes, as release layer materials'use, be easily stripped from.In the operation of mass production, polyester film by transmitting running roller, traction running roller transmits, and is to play a role by the drawing tension of polyester film, if polyester film poor rigidity, too softness is easily stretched, and occurs that product warps curling bad.
Polyethylene film is divided into low density polyethylene films, medium-density polyethylene film, density polyethylene film with high according to the difference of density, and in this three, density polyethylene film with high rigidity is best, and therefore, preferred, the density of PE film is greater than 0.94g/cm
2, surface tension is less than 30 dyne.
Polypropylene screen is divided into casting method polypropylene screen (CPP film), two-way stretch method polypropylene screen (BOPP film) according to the difference of manufacturing process, BOPP film is hard compared with CPP film, rigidity is also better, therefore, preferred, PP film is BOPP film, and the surface tension of BOPP film is less than 30 dyne.
A kind of touch-screen of the present utility model passes through to adopt the non-silicon release layers such as PE film, PP film or PET film with protective tapes, solve the problem that the existing silicon of existing pressure sensitive adhesive protective membrane pollutes, stop to occur silicon contamination phenomenon, and the cost of the non-silicon release layer of stack pile is well below siliceous release layer; On the other hand, because PE film and PP film have flexibility, can improve attaching bad (bubble) problem that protective tapes produces in manufacturing processed.The utility model can reduce costs, and simplifies technique, easy to implement, has wide market outlook.
The utility model still has numerous embodiments, and all employing equivalents or equivalent transformation and all technical schemes of forming, within all dropping on protection domain of the present utility model.
Claims (9)
1. a touch-screen protective tapes, is characterized in that: comprise successively pet layer, pressure sensitive adhesive layer and non-silicon release layer, described non-silicon release layer is any one in PE film, PP film or PET film.
2. a kind of touch-screen protective tapes according to claim 1, is characterized in that: the thickness of described pet layer is 25 μ m ~ 125 μ m.
3. a kind of touch-screen protective tapes according to claim 1, is characterized in that: the thickness of described pressure sensitive adhesive layer is 2 μ m ~ 20 μ m.
4. a kind of touch-screen protective tapes according to claim 1, is characterized in that: described pressure sensitive adhesive layer is acrylic acid-2-ethyl ethyl ester pressure sensitive adhesive layer.
5. a kind of touch-screen protective tapes according to claim 1, is characterized in that: the thickness of described non-silicon release layer is 30 μ m ~ 70 μ m.
6. a kind of touch-screen protective tapes according to claim 1, is characterized in that: the density of described PE film is greater than 0.94g/cm
2.
7. a kind of touch-screen protective tapes according to claim 1, is characterized in that: the surface tension of described PE film is less than 30 dyne.
8. a kind of touch-screen protective tapes according to claim 1, is characterized in that: described PP film is BOPP film.
9. a kind of touch-screen protective tapes according to claim 8, is characterized in that: the surface tension of described BOPP film is less than 30 dyne.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420028531.7U CN203715554U (en) | 2014-01-17 | 2014-01-17 | Protective adhesive tape for touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420028531.7U CN203715554U (en) | 2014-01-17 | 2014-01-17 | Protective adhesive tape for touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203715554U true CN203715554U (en) | 2014-07-16 |
Family
ID=51154721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420028531.7U Withdrawn - After Issue CN203715554U (en) | 2014-01-17 | 2014-01-17 | Protective adhesive tape for touch screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203715554U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105751640A (en) * | 2016-03-11 | 2016-07-13 | 苏州斯迪克新材料科技股份有限公司 | PET (polyethylene terephthalate) film for new-energy vehicle lithium battery packs |
| CN108864977A (en) * | 2018-07-23 | 2018-11-23 | 昆山博益鑫成高分子材料有限公司 | A kind of cover-plate glass processing procedure or shipment PET protection film and preparation method |
| CN112571904A (en) * | 2019-09-27 | 2021-03-30 | 上海仰璞实业有限公司 | Black steel band |
-
2014
- 2014-01-17 CN CN201420028531.7U patent/CN203715554U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105751640A (en) * | 2016-03-11 | 2016-07-13 | 苏州斯迪克新材料科技股份有限公司 | PET (polyethylene terephthalate) film for new-energy vehicle lithium battery packs |
| CN105751640B (en) * | 2016-03-11 | 2018-03-06 | 江苏斯迪克新材料科技股份有限公司 | A kind of PET film for new-energy automobile lithium battery group |
| CN108864977A (en) * | 2018-07-23 | 2018-11-23 | 昆山博益鑫成高分子材料有限公司 | A kind of cover-plate glass processing procedure or shipment PET protection film and preparation method |
| CN112571904A (en) * | 2019-09-27 | 2021-03-30 | 上海仰璞实业有限公司 | Black steel band |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Mao Chuanyan Inventor before: Xiang Ruting |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: XIANG RUTING TO: MAO CHUANYAN |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140716 Effective date of abandoning: 20141128 |
|
| C20 | Patent right or utility model deemed to be abandoned or is abandoned |