CN216662935U - Antistatic PET protection film of polyurethane glue - Google Patents
Antistatic PET protection film of polyurethane glue Download PDFInfo
- Publication number
- CN216662935U CN216662935U CN202122689856.2U CN202122689856U CN216662935U CN 216662935 U CN216662935 U CN 216662935U CN 202122689856 U CN202122689856 U CN 202122689856U CN 216662935 U CN216662935 U CN 216662935U
- Authority
- CN
- China
- Prior art keywords
- antistatic
- coating
- film
- double
- pet
- 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.)
- Active
Links
- 239000004814 polyurethane Substances 0.000 title claims abstract description 44
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 14
- 239000003292 glue Substances 0.000 title claims abstract description 13
- 238000000576 coating method Methods 0.000 claims abstract description 88
- 239000011248 coating agent Substances 0.000 claims abstract description 82
- 239000010410 layer Substances 0.000 claims abstract description 49
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims abstract description 32
- 239000000853 adhesive Substances 0.000 claims abstract description 31
- 230000001070 adhesive effect Effects 0.000 claims abstract description 31
- 230000001681 protective effect Effects 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 12
- 239000000758 substrate Substances 0.000 claims description 11
- 229920000123 polythiophene Polymers 0.000 claims description 5
- 229920000139 polyethylene terephthalate Polymers 0.000 abstract description 26
- 239000005020 polyethylene terephthalate Substances 0.000 abstract description 26
- 230000003068 static effect Effects 0.000 abstract description 6
- -1 polyethylene terephthalate Polymers 0.000 abstract description 3
- 230000002195 synergetic effect Effects 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 abstract 1
- 239000002216 antistatic agent Substances 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 1
- 239000002313 adhesive film Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Adhesive Tapes (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Laminated Bodies (AREA)
Abstract
The utility model relates to the technical field of PET protective films, in particular to a polyurethane adhesive antistatic PET protective film; the double-sided antistatic adhesive-coated film comprises a double-sided antistatic adhesive-coated film and an antistatic release film below the double-sided antistatic adhesive-coated film, wherein a first antistatic coating, a first PET (polyethylene terephthalate) base material layer and a second antistatic coating are sequentially arranged on the double-sided antistatic adhesive-coated film from top to bottom; according to the utility model, through the arrangement of the double-sided antistatic glue coating film and the antistatic release film, the impedance on the surface and inside of the touch screen is kept at a lower level by utilizing the synergistic effect of the antistatic coatings and the antistatic PU pressure-sensitive adhesive layer, so that the static electricity is favorably released, and therefore, when the protective film of the touch screen is torn off, an overhigh tearing voltage cannot be generated, and the iris phenomenon is avoided.
Description
Technical Field
The utility model relates to the technical field of PET (polyethylene terephthalate) protective films, in particular to a polyurethane adhesive antistatic PET protective film.
Background
The protective film can be divided into a digital product protective film, an automobile protective film, a household protective film, a food fresh-keeping protective film and the like according to the application, along with the popularization of digital products such as mobile phones and the like in China, the protective film has become a general name of a screen protective film slowly, the function of the protective film in the field of screen protective films is also eight-door-five, the PU protective film is a functional protective film produced by taking a transparent PET film as a base material, and the protective film is mainly used for protecting ITO films, cover plate glass, TP manufacturing procedures, modules, complete machine shipment and the like, and the existing PU protective film has high tearing static voltage and is easy to generate iris phenomena.
SUMMERY OF THE UTILITY MODEL
Solves the technical problem
Aiming at the defects in the prior art, the utility model provides the polyurethane adhesive antistatic PET protective film which can effectively solve the problems that the existing PU protective film in the prior art is high in tearing electrostatic voltage and easy to generate iris phenomena.
Technical scheme
In order to achieve the purpose, the utility model is realized by the following technical scheme:
the utility model provides a polyurethane adhesive antistatic PET protective film, which comprises a double-sided antistatic adhesive coated film and an antistatic release film below the double-sided antistatic adhesive coated film, wherein the double-sided antistatic adhesive coated film is sequentially provided with a first antistatic coating, a first PET base material layer and a second antistatic coating from top to bottom; the antistatic value of the adhesive surface of the antistatic pressure-sensitive adhesive layer is 105-109Omega, the film tearing voltage of the adhesive surface of the antistatic pressure-sensitive adhesive layer separated from the release coating is less than 100V.
When the antistatic coating is used, a first antistatic coating and a second antistatic coating are respectively coated on two sides of a first PET substrate layer, and then an antistatic PU pressure-sensitive adhesive layer is coated on the surface of the second antistatic coating to obtain a double-sided antistatic adhesive coating film; then two sides of the second PET substrate layer are coated with a layer of a second polyethylene terephthalate (PET) materialRespectively coating a release coating and a third antistatic coating to prepare an antistatic release film; laminating the release coating side of the antistatic release film on the antistatic pressure-sensitive adhesive layer side of the double-sided antistatic adhesive film to prepare the antistatic protective film of the polyurethane pressure-sensitive adhesive with three antistatic surfaces, and realizing that the antistatic value of the adhesive surface is less than 10 by the synergistic effect of the antistatic coatings and the antistatic PU pressure-sensitive adhesive layer9Omega, antistatic PU pressure sensitive adhesive layer glue face is less than 100V from tearing the membrane voltage of type coating separation for its surface and inside impedance all are in lower level, are favorable to the release of static, therefore can not produce too high pressure of tearing when tearing the protection film of touch-sensitive screen, avoid producing the iris phenomenon.
Furthermore, the first antistatic coating, the second antistatic coating and the third antistatic coating are all polythiophene antistatic coatings. Due to the fact that the polythiophene antistatic coating is a halogen-free antistatic agent, the environmental protection problem caused by the fact that a halogen-containing antistatic agent is added to a conventional product is solved while the lower surface impedance value of the material is achieved.
Further, the thickness of first antistatic coating, second antistatic coating and third antistatic coating is 0.1-1um, the thickness of first PET substrate layer is 25-150um, antistatic PU pressure sensitive adhesive layer's thickness is 5-20 um.
Further, the thickness of first antistatic coating, second antistatic coating and third antistatic coating is 0.1-1um, the thickness of first PET substrate layer is 25-75um, antistatic PU pressure sensitive adhesive layer's thickness is 10-15 um.
Further, the thickness of antistatic release film is 25-75 um.
Further, the adhesive surface dyne value of the antistatic PU pressure-sensitive adhesive layer is more than 48. The arrangement is such that the surface of the bonding material does not influence the dyne value and the printing or bonding processing of the rear section.
Advantageous effects
Compared with the known public technology, the technical scheme provided by the utility model has the following beneficial effects:
the utility model adopts a double-sided antistatic glue coating film and the anti-static glue coating filmThe static is from the setting of type membrane, utilizes a plurality of antistatic coating and antistatic PU pressure sensitive adhesive layer synergism, realizes that the face of gluing antistatic value is < 109Omega, antistatic PU pressure sensitive adhesive layer glue face is less than 100V from tearing the membrane voltage of type coating separation for its surface and inside impedance all are in lower level, are favorable to the release of static, therefore can not produce too high pressure of tearing when tearing the protection film of touch-sensitive screen, avoid producing the iris phenomenon.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the utility model, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a schematic view of the present invention.
The reference numerals in the drawings denote: 1. double-sided antistatic glue coating film; 11. a first antistatic coating; 12. a first PET substrate layer; 13. a second antistatic coating; 14. an antistatic PU pressure-sensitive adhesive layer; 2. an antistatic release film; 21. a release coating; 22. a second PET substrate layer; 23. and a third antistatic coating.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present invention will be further described with reference to the following examples.
Example (b):
as shown in fig. 1The polyurethane adhesive antistatic PET protective film comprises a double-sided antistatic adhesive coated film 1 and an antistatic release film 2 below the double-sided antistatic adhesive coated film 1, wherein the double-sided antistatic adhesive coated film 1 is sequentially provided with a first antistatic coating 11, a first PET base material layer 12 and a second antistatic coating 13 from top to bottom, the antistatic release film 2 is sequentially provided with a release coating 21, a second PET base material layer 22 and a third antistatic coating from top to bottom, and an antistatic PU pressure-sensitive adhesive layer 14 is coated between the release coating 21 and the second antistatic coating 13; the antistatic value of the adhesive surface of the antistatic PU pressure-sensitive adhesive layer 14 is 105-109Omega, the film tearing voltage of the adhesive surface of the antistatic PU pressure-sensitive adhesive layer 14 separated from the release coating 21 is less than 100V.
When the antistatic coating film is used, a first antistatic coating 11 and a second antistatic coating 13 are respectively coated on two sides of a first PET base material layer 12, and then an antistatic PU pressure-sensitive adhesive layer 14 is coated on the surface of the second antistatic coating 13 to obtain a double-sided antistatic adhesive coating film 1; coating a release coating 21 and a third antistatic coating on two sides of the second PET substrate layer 22 respectively to prepare an antistatic release film 2; with antistatic release film 2 from the laminating of type coating 21 one side in antistatic PU pressure sensitive adhesive layer 14 one side of two-sided antistatic adhesive coating 1, make trilateral antistatic polyurethane pressure sensitive adhesive antistatic protective film, through a plurality of antistatic coatings and antistatic PU pressure sensitive adhesive layer 14 synergism, realize that the antistatic value of face of gluing is < 109Omega, 14 gluey faces of antistatic PU pressure sensitive adhesive layer are less than 100V from the tear film voltage of type coating 21 separation, make 14 gluey faces of antistatic PU pressure sensitive adhesive layer tear film voltage when laminating glass less than 100V simultaneously for its surface and inside impedance all are in lower level, are favorable to the release of static, therefore can not produce too high tear voltage when tearing the protection film of touch-sensitive screen, avoid producing the iris phenomenon.
As an alternative, the first antistatic coating 11, the second antistatic coating 13 and the third antistatic coating are all polythiophene antistatic coatings. Due to the fact that the polythiophene antistatic coating is a halogen-free antistatic agent, the environmental protection problem caused by the fact that a halogen-containing antistatic agent is added to a conventional product is solved while a low surface impedance value of the material is achieved.
As an optional scheme, the thickness of first antistatic coating 11, second antistatic coating 13 and third antistatic coating is 0.1-1um, the thickness of first PET substrate layer 12 is 25-150um, the thickness of antistatic PU pressure sensitive adhesive layer 14 is 5-20 um.
As an optional scheme, the thickness of first antistatic coating 11, second antistatic coating 13 and third antistatic coating is 0.1-1um, the thickness of first PET substrate layer 12 is 25-75um, the thickness of antistatic PU pressure sensitive adhesive layer 14 is 10-15 um.
As an alternative, the thickness of the antistatic release film 2 is 25-75 um.
As an alternative, the adhesive surface dyne value of the antistatic PU pressure sensitive adhesive layer 14 is greater than 48. The arrangement is such that the surface of the bonding material does not influence the dyne value and the printing or bonding processing of the rear section.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not cause the essence of the corresponding technical solutions to depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. The antistatic PET protective film is characterized by comprising a double-sided antistatic glue coating film (1) and an antistatic release film (2) below the double-sided antistatic glue coating film (1), wherein the double-sided antistatic glue coating film (1) is sequentially provided with a first antistatic coating (11), a first PET base material layer (12) and a second antistatic coating (13) from top to bottom, the antistatic release film (2) is sequentially provided with a release coating (21), a second PET base material layer (22) and a third antistatic coating from top to bottom, and an antistatic PU pressure-sensitive adhesive layer (14) is coated between the release coating (21) and the second antistatic coating (13); the antistatic value of the adhesive surface of the antistatic PU pressure-sensitive adhesive layer (14) is 105-109 omega, and the film tearing voltage of the adhesive surface of the antistatic PU pressure-sensitive adhesive layer (14) separated from the release coating (21) is less than 100V.
2. The antistatic PET protective film of polyurethane glue as claimed in claim 1, wherein the first antistatic coating (11), the second antistatic coating (13) and the third antistatic coating are all polythiophene antistatic coatings.
3. The antistatic PET protective film of polyurethane adhesive as claimed in claim 2, wherein the thickness of the first antistatic coating (11), the second antistatic coating (13) and the third antistatic coating is 0.1-1um, the thickness of the first PET substrate layer (12) is 25-150um, and the thickness of the antistatic PU pressure sensitive adhesive layer (14) is 5-20 um.
4. The antistatic PET protective film of polyurethane adhesive as claimed in claim 2, wherein the thickness of the first antistatic coating (11), the second antistatic coating (13) and the third antistatic coating is 0.1-1um, the thickness of the first PET substrate layer (12) is 25-75um, and the thickness of the antistatic PU pressure sensitive adhesive layer (14) is 10-15 um.
5. The antistatic PET protective film of polyurethane glue as claimed in claim 4, characterized in that the thickness of the antistatic release film (2) is 25-75 um.
6. The antistatic PET protective film of polyurethane adhesive as claimed in claim 5, wherein the adhesive surface dyne value of the antistatic PU pressure sensitive adhesive layer (14) is greater than 48.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122689856.2U CN216662935U (en) | 2021-11-05 | 2021-11-05 | Antistatic PET protection film of polyurethane glue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122689856.2U CN216662935U (en) | 2021-11-05 | 2021-11-05 | Antistatic PET protection film of polyurethane glue |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216662935U true CN216662935U (en) | 2022-06-03 |
Family
ID=81781373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122689856.2U Active CN216662935U (en) | 2021-11-05 | 2021-11-05 | Antistatic PET protection film of polyurethane glue |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216662935U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116640520A (en) * | 2023-05-08 | 2023-08-25 | 极天羽技术股份有限公司 | PU adhesive protective film with low film tearing voltage and preparation method thereof |
-
2021
- 2021-11-05 CN CN202122689856.2U patent/CN216662935U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116640520A (en) * | 2023-05-08 | 2023-08-25 | 极天羽技术股份有限公司 | PU adhesive protective film with low film tearing voltage and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216662935U (en) | Antistatic PET protection film of polyurethane glue | |
| CN206489536U (en) | Contact panel and the touch module containing the contact panel | |
| CN205800372U (en) | A kind of anti-static silica gel protecting film | |
| TW201001251A (en) | Structure of touch panel containing image layer | |
| CN202766461U (en) | Gum and circuit board provided with gum | |
| CN107603506B (en) | Curved-surface screen full-wrapping soft film and preparation method thereof | |
| CN103707576A (en) | Anti-static mobile phone film | |
| CN206475518U (en) | Interior rupture pressure disc for many curved surface touch-control display modules | |
| CN208747999U (en) | A kind of Anti-bubble generation mylar film | |
| CN208791542U (en) | A kind of antistatic acrylic protective film | |
| CN208562223U (en) | Antistatic acrylic protective film | |
| KR101733600B1 (en) | Transferring films and the methods of making thereof | |
| JP2001034177A (en) | Method for pasting transparent electromagnetic wave shielding film | |
| CN205942189U (en) | Liquid crystal module | |
| CN202826624U (en) | High temperature resistant wet-weather-resistance polyethylene terephthalate (PET) film | |
| CN202264455U (en) | Screen protecting film | |
| JP2015013925A (en) | Adhesive for optical use, adhesive sheet for optical use, and image display device using the same | |
| WO2013117117A1 (en) | Energy-saving scratch-resistant brightness enhancement film | |
| CN209442907U (en) | A kind of two-sided removable plastic band | |
| CN207811656U (en) | A kind of antistatic PET silicone protective films | |
| CN216837771U (en) | Antistatic protective film | |
| CN205223086U (en) | Double -deck ya keli net protection film of PET | |
| CN219236411U (en) | Antistatic optical release film | |
| CN205675293U (en) | Double faced adhesive tape, screen protecting film and display device | |
| CN214142155U (en) | Prevent static PET protection film |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 3123, Huanqing Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province Patentee after: Boyi Xincheng Polymer Materials Co.,Ltd. Address before: No. 3123, Huanqing Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province Patentee before: KUNSHAN BYE POLYMER MATERIAL Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |