CN110551457A - adhesive tape for fluorine release film test and preparation method and test method thereof - Google Patents
adhesive tape for fluorine release film test and preparation method and test method thereof Download PDFInfo
- Publication number
- CN110551457A CN110551457A CN201910838207.9A CN201910838207A CN110551457A CN 110551457 A CN110551457 A CN 110551457A CN 201910838207 A CN201910838207 A CN 201910838207A CN 110551457 A CN110551457 A CN 110551457A
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- Prior art keywords
- release film
- fluorine release
- testing
- tested
- adhesive
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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
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/25—Plastics; Metallised plastics based on macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/255—Polyesters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/04—Measuring adhesive force between materials, e.g. of sealing tape, of coating
-
- 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
-
- 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
- C09J2301/312—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 parameters being the characterizing feature
-
- 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
- C09J2467/00—Presence of polyester
- C09J2467/006—Presence of polyester in the substrate
-
- 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
- C09J2483/00—Presence of polysiloxane
Landscapes
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Adhesive Tapes (AREA)
Abstract
the invention discloses an adhesive tape for testing fluoride release film, a preparation method thereof and a release film testing method, wherein the adhesive tape comprises the following components: the adhesive comprises an engineering plastic film layer and a silica gel adhesive layer compounded on the engineering plastic film layer. Wherein, the engineering plastic film layer is polyethylene glycol terephthalate. The test is simple, the reliability is high, and the method can meet the requirements of various fluoride release films with strict requirements on the silica gel adhesive used in the process of manufacturing and protecting the mobile phone.
Description
Technical Field
The invention relates to the technical field of film materials, in particular to an adhesive tape for a fluorine release film test, and a preparation method and a test method thereof.
Background
With the arrival of the 5G era, the requirements on materials are higher and higher, especially the wide popularization of 3D curved surface screens of mobile phones in recent years, the requirements on 3D curved surface toughened films and hot-bending films are more and more strict, and during the manufacturing and protection process, a fluorine release film with better performance is required to be used as a support, so that the performance requirements on the fluorine release film are higher and higher, but the fluorine release film testing method commonly used in the industry is to attach a to-be-tested fluorine release film by using a 'thought MY2G adhesive tape' to respectively test the stripping force after the aging at the normal temperature of 20H and the aging at the 70 ℃ of 20H. According to present in service behavior, MY2G sticky tape performance itself is unstable, leads to the test to appear the error, does not distinguish qualified product and defective work, only can judge whether the performance is up to standard at the production line service stage, and this has just caused very big puzzlement for automated production, in case appear badly will appear large-scale newspaper waste product.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the adhesive tape for the fluoride release film test, which has stable performance and can improve the test accuracy, and the preparation method and the test method thereof.
in order to achieve the purpose, the invention adopts the following technical scheme:
in a first aspect, an embodiment of the present invention provides an adhesive tape for testing a fluorinated release film, including: the adhesive comprises an engineering plastic film layer and a silica gel adhesive layer compounded on the engineering plastic film layer.
Wherein, the engineering plastic film layer is polyethylene glycol terephthalate.
Wherein, the thickness of engineering plastic film layer is 50 um.
Wherein, the thickness of the silica gel adhesive layer is 28-32 um.
in a second aspect, embodiments of the present invention provide a method of preparing the tape for testing a fluorinated release film as described in any one of the above, comprising the steps of:
uniformly stirring the Dow Corning 7657 glue and the toluene solvent according to the mass ratio of 100: 40;
adding the platinum catalyst according to the mass ratio of the toluene solvent to the platinum catalyst of 10:1, and uniformly stirring to form a glue solution;
Filtering the fully mixed glue solution through a 350-mesh filter screen to obtain a filtered solution;
Coating the inner surface of the PET original film with the filtering solution to a set thickness by scraping to form a wet glue film;
And (3) placing the wet adhesive film into an oven at 130 ℃ for baking for 2 minutes until the wet adhesive film is cured, so as to obtain the adhesive tape for testing the fluorine release film.
Wherein, the mixing and stirring time in the step of uniformly stirring the Dow Corning 7657 glue and the toluene solvent according to the mass ratio of 100:40 is 10 minutes.
Wherein, the platinum catalyst is added and stirred to be fully mixed according to the mass ratio of the toluene solvent to the platinum catalyst of 10:1 to form the glue solution, and the mixing and stirring time in the step is 10 minutes.
In a third aspect, embodiments of the present invention provide a method of testing a fluorinated release film, comprising the steps of:
Attaching the test fluorine release film adhesive tape to the release surface of a fluorine release film sample to be tested;
cutting the attached fluorine release film sample into a sample strip to be tested with a set size by adopting a mold;
Respectively pressing the sample strip to be tested for 20 hours at room temperature and 70 ℃ by using a metal pressing block;
and taking out the pressed sample strip to be tested, and testing the stripping force between the silica gel adhesive layer and the fluorine release film to be tested by adopting a tensile machine.
The method comprises the following steps of cutting a bonded fluorine release film sample into a sample strip to be tested with a set size by adopting a mold, wherein the set size is 20cm in length and 2.54cm in width.
and in the step of respectively pressing and placing the sample strip to be measured for 20 hours at room temperature and 70 ℃, the weight of the metal pressing block is 3 Kg.
Compared with the prior art, the invention has the beneficial effects that: the test is simple, the reliability is high, and the method can meet the requirements of various fluoride release films with strict requirements on the silica gel adhesive used in the process of manufacturing and protecting the mobile phone.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more apparent, the following detailed description will be given of preferred embodiments.
drawings
Fig. 1 is a schematic structural view of the adhesive tape for fluorine release film test of the present invention.
FIG. 2 is a flow chart of a method for manufacturing the adhesive tape for fluorine release film test according to the present invention.
FIG. 3 is a flow chart of the test method of the fluorine release film of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.
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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be connected or detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
in the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.
Referring to fig. 1, the present embodiment provides an adhesive tape for testing a fluorine release film, including: the composite material comprises an engineering plastic film layer 1 and a silica gel adhesive layer 2 compounded on the engineering plastic film layer 1.
in this embodiment, the engineering plastic film layer 1 is polyethylene terephthalate.
wherein, the thickness of engineering plastic film layer 1 is 50 um. The thickness of the silica gel adhesive layer 2 is 28-32 um. The silica gel adhesive layer 2 is prepared by adding platinum catalyst into dow corning 7657 silica gel and curing at high temperature.
Embodiments of the present invention also provide a method of preparing the adhesive tape for testing a fluorine release film as described in any one of the above, including the steps of:
Step S100, uniformly stirring the Dow Corning 7657 glue and the toluene solvent according to the mass ratio of 100: 40;
Step S200, adding the platinum catalyst according to the mass ratio of the toluene solvent to the platinum catalyst of 10:1, and uniformly stirring to form a glue solution;
Step S300, filtering the fully mixed glue solution through a 350-mesh filter screen to obtain a filtered solution;
S400, coating the inner surface of the PET original film with the filter solution to a set thickness to form a wet glue film;
And S500, placing the wet adhesive film into an oven at 130 ℃ to bake for 2 minutes until the wet adhesive film is cured, so as to obtain the adhesive tape for testing the fluorine release film.
Wherein, the mixing and stirring time in the step S100 of uniformly stirring the Dow Corning 7657 glue and the toluene solvent according to the mass ratio of 100:40 is 10 minutes.
Wherein, the platinum catalyst is added and stirred to be fully mixed according to the mass ratio of the toluene solvent to the platinum catalyst of 10:1 to form the glue solution, and the mixing and stirring time in the step S200 is 10 minutes.
The preparation method is illustrated by taking a specific example as follows:
100g of Dow Corning 7657 glue is weighed, 40g of toluene solvent is added, and stirring is carried out for 10 minutes.
1g of platinum catalyst is weighed and added into the glue water for stirring for 10 minutes until the mixture is fully mixed.
And filtering the uniformly mixed glue by using a 350-mesh filter screen.
uniformly coating a layer of wet glue film with a specific thickness on the inner surface of a PET (polyethylene terephthalate) original film by using a small-sized blade coater for a laboratory, then baking a sample in an oven at 130 ℃ for 2 minutes, and taking out after the sample is cured to obtain the adhesive tape for the fluorine release film test.
The embodiment of the invention also provides a method for testing the fluoride release film, which comprises the following steps:
S001, attaching the test fluorine release film adhesive tape to the release surface of a fluorine release film sample to be tested;
S002, cutting the attached fluorine release film sample into a sample strip to be tested with a set size by adopting a mold;
S003, respectively pressing and releasing the sample strip to be detected for 20 hours at room temperature and 70 ℃ by using a metal pressing block;
And step S004, taking out the pressed sample strip to be tested, and testing the stripping force between the silica gel adhesive layer and the fluorine release film to be tested by adopting a tensile machine.
Wherein, the step S002 of cutting the attached fluorine release film sample into a sample strip to be measured with a set size by adopting a mold is that the length is 20cm and the width is 2.54 cm.
in the step S003 that the sample strip to be measured is respectively pressed and placed for 20 hours at room temperature and 70 ℃, the weight of the metal pressing block is 3 Kg.
the adhesive tape for testing the fluorine release film, the preparation method of the adhesive tape and the method for testing the fluorine release film side have the advantages of simple test and high reliability, and can meet various requirements of the fluorine release film with strict requirements on a silica gel adhesive used in a process of manufacturing and protecting a mobile phone.
the technical contents of the present invention are further illustrated by the examples only for the convenience of the reader, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation based on the present invention is protected by the present invention. The protection scope of the invention is subject to the claims.
Claims (10)
1. an adhesive tape for testing a fluorine release film, comprising: the adhesive comprises an engineering plastic film layer and a silica gel adhesive layer compounded on the engineering plastic film layer.
2. The tape for testing fluorine release film according to claim 1, wherein the engineering plastic film layer is polyethylene terephthalate.
3. The tape for testing fluorine release film according to claim 2, wherein the thickness of the engineering plastic film layer is 50 um.
4. The tape for testing fluorine release film according to claim 1, wherein the thickness of the silicone adhesive layer is 28-32 um.
5. A method of preparing the tape for testing fluorinated release film according to any one of claims 1 to 4, comprising the steps of:
uniformly stirring the Dow Corning 7657 glue and the toluene solvent according to the mass ratio of 100: 40;
Adding the platinum catalyst according to the mass ratio of the toluene solvent to the platinum catalyst of 10:1, and uniformly stirring to form a glue solution;
Filtering the fully mixed glue solution through a 350-mesh filter screen to obtain a filtered solution;
Coating the inner surface of the PET original film with the filtering solution to a set thickness by scraping to form a wet glue film;
And (3) placing the wet adhesive film into an oven at 130 ℃ for baking for 2 minutes until the wet adhesive film is cured, so as to obtain the adhesive tape for testing the fluorine release film.
6. The method as claimed in claim 5, wherein the mixing and stirring time in the step of uniformly stirring the Dow Corning 7657 glue and the toluene solvent according to the mass ratio of 100:40 is 10 minutes.
7. the method as claimed in claim 5, wherein the mixing and stirring time in the step of adding the platinum catalyst according to the mass ratio of the toluene solvent to the platinum catalyst of 10:1 and stirring the mixture until the mixture is sufficiently mixed to form the glue solution is 10 minutes.
8. A method for testing a fluorine release film is characterized by comprising the following steps:
Applying the test fluorine release film of any one of claims 1 to 4 to the release surface of a fluorine release film sample to be tested with an adhesive tape;
Cutting the attached fluorine release film sample into a sample strip to be tested with a set size by adopting a mold;
respectively pressing the sample strip to be tested for 20 hours at room temperature and 70 ℃ by using a metal pressing block;
And taking out the pressed sample strip to be tested, and testing the stripping force between the silica gel adhesive layer and the fluorine release film to be tested by adopting a tensile machine.
9. the method for testing a fluorine release film according to claim 8, wherein the step of cutting the attached fluorine release film sample into a sample strip to be tested with a set size by using a mold is set to have a length of 20cm and a width of 2.54 cm.
10. the method for testing the fluorine release film according to claim 8, wherein in the step of pressing and placing the sample strip to be tested for 20 hours at room temperature and 70 ℃ respectively, the weight of the metal pressing block is 3 Kg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910838207.9A CN110551457A (en) | 2019-09-05 | 2019-09-05 | adhesive tape for fluorine release film test and preparation method and test method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910838207.9A CN110551457A (en) | 2019-09-05 | 2019-09-05 | adhesive tape for fluorine release film test and preparation method and test method thereof |
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|---|---|
| CN110551457A true CN110551457A (en) | 2019-12-10 |
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| CN201910838207.9A Pending CN110551457A (en) | 2019-09-05 | 2019-09-05 | adhesive tape for fluorine release film test and preparation method and test method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113702282A (en) * | 2021-08-26 | 2021-11-26 | 江苏皇冠新材料科技有限公司 | Detection method of fluorine release film |
| CN117074296A (en) * | 2023-08-22 | 2023-11-17 | 派乐玛光学薄膜(东莞)有限公司 | Detection method of organic silicon OCA release film |
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Application publication date: 20191210 |