CN114736627A - Semi-solidified pressure-sensitive polymer film, foldable glass cover plate and preparation methods of semi-solidified pressure-sensitive polymer film and foldable glass cover plate - Google Patents
Semi-solidified pressure-sensitive polymer film, foldable glass cover plate and preparation methods of semi-solidified pressure-sensitive polymer film and foldable glass cover plate Download PDFInfo
- Publication number
- CN114736627A CN114736627A CN202210534064.4A CN202210534064A CN114736627A CN 114736627 A CN114736627 A CN 114736627A CN 202210534064 A CN202210534064 A CN 202210534064A CN 114736627 A CN114736627 A CN 114736627A
- Authority
- CN
- China
- Prior art keywords
- semi
- sensitive polymer
- polymer film
- pressure
- parts
- 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.)
- Pending
Links
Classifications
-
- 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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- 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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
-
- 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
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
- C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09J133/062—Copolymers with monomers not covered by C09J133/06
- C09J133/068—Copolymers with monomers not covered by C09J133/06 containing glycidyl groups
-
- 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
- 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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/40—Additional features of adhesives in the form of films or foils characterized by the presence of essential components
- C09J2301/416—Additional features of adhesives in the form of films or foils characterized by the presence of essential components use of irradiation
-
- 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
The invention discloses a semi-cured pressure-sensitive polymer film, a foldable glass cover plate and preparation methods of the semi-cured pressure-sensitive polymer film and the foldable glass cover plate, and relates to the field of foldable cover plates. The semi-cured pressure-sensitive adhesive glue film comprises the following components in percentage by mass: 40-80% of prepolymer, 1-10% of isocyanate, 10-50% of epoxy resin, 1-10% of adhesion promoter, 0.5-5% of photoinitiator and 0.5-5% of photoinitiator. The preparation method of the semi-solidified pressure-sensitive adhesive glue film comprises the following steps: mixing the semi-cured pressure-sensitive polymer in proportion, and coating the mixture on the surface of a release film; and drying the release film coated with the semi-solidified pressure-sensitive polymer by an oven, and covering the release film on the surface which is not attached with the release film to obtain the semi-solidified pressure-sensitive polymer film. And the semi-solidified pressure-sensitive polymer film is solidified on the ultrathin glass to obtain the foldable glass cover plate. Compared with the existing market glazing and curing protective film, the product can be tightly attached to the ultrathin surface, and meanwhile, the product has a simpler and more convenient operation process and a higher yield.
Description
Technical Field
The invention relates to the field of foldable cover plates, in particular to a semi-cured pressure-sensitive polymer film, a foldable glass cover plate and preparation methods of the semi-cured pressure-sensitive polymer film and the foldable glass cover plate.
Background
The ultra-thin glass (UTG) has a thickness of 100 μm or less. The CPI film material is an important material for a foldable flexible cover plate due to excellent bendability, high hardness, scratch resistance and other properties. UTG the product has good bending performance when the thickness is less than 0.1mm, and the bending radius is smaller when the thickness is UTG mm. The disadvantage is that the thinner the UTG, the poorer the impact resistance, the greater the risk of damage, and the failure to meet the end product conditions. It is very important to perform strengthening treatment on the surface of the ultra-thin glass. The organic high molecular polymer is directly coated on the surface of UTG, and is solidified into a film, so that the important direction of development of cover plate factories is changed, the problem of crease is expected to be solved, and the performances of impact resistance, bending resistance and the like of the foldable ultrathin glass cover plate are optimized. However, this type of folding is complicated in process, and is prone to problems such as appearance, and the yield is low.
Therefore, a polymer capable of covering UTG surface is needed to protect UTG well, and to have a simpler operation process and higher yield.
Disclosure of Invention
In order to overcome the technical defects, the invention provides a semi-solidified pressure-sensitive polymer film, a foldable glass cover plate and a preparation method of the semi-solidified pressure-sensitive polymer film and the foldable glass cover plate, so as to solve the problems related to the background technology.
The invention provides a semi-solidified pressure-sensitive polymer film, which comprises the following components in percentage by mass: 40-80% of macromonomer, 1-10% of isocyanate, 10-50% of epoxy resin, 1-10% of adhesion promoter, 0.5-5% of photoinitiator and isocyanate semi-cured pressure-sensitive polymer film crosslinking agent.
Preferably or optionally, the macromonomer is a methacrylate polymer containing double bonds and epoxy group monomer units.
Preferably or optionally, the methacrylate polymer is a monomer component which takes alkyl acrylate or alkyl methacrylate as a main monomer component and simultaneously contains double bond units and an epoxy unit.
Preferably or alternatively, the methacrylate polymer is a polymer having a weight average molecular weight of 10 ten thousand or more.
Preferably or alternatively, the epoxy resin has an epoxy equivalent of 100 to 400.
Preferably or alternatively, the initiator comprises a free radical photoinitiator and a cationic photoinitiator; wherein the free radical type photoinitiator is selected from the group consisting of ethyl (2, 4, 6-trimethylbenzoyl) phenylphosphonate, 1-hydroxycyclohexyl phenyl ketone, (2, 4, 6-trimethylbenzoyl) diphenylphosphine oxide, oxy-phenyl-acetic acid 2- [ 2-oxo-2-phenyl-acetoxy-ethoxy ] -ethyl ester, one or more of oxy-phenyl-acetic acid 2- [ 2-hydroxy-ethoxy ] -ethyl ester, 2-hydroxy-2-methyl-1-phenyl-1-propanone, phenylbis (2, 4, 6-trimethylbenzoyl) phosphine oxide, iodonium (4-methylphenyl) [4- (2-methylpropyl) phenyl ] -hexafluorophosphate. The cationic photoinitiator is selected from one or more of diazonium salt, iodonium salt, sulfonium salt, antimonate and iron arene.
The invention also provides a preparation method of the semi-solidified pressure-sensitive polymer film, which comprises the following steps:
firstly, blending semi-cured pressure-sensitive polymers in proportion, and coating the semi-cured pressure-sensitive polymers on the surface of a release film, wherein the thickness of the semi-cured pressure-sensitive polymers is not more than 50 micrometers;
and II, drying the release film coated with the semi-solidified pressure-sensitive polymer by an oven, and covering the release film on the surface which is not attached with the release film to obtain the semi-solidified pressure-sensitive polymer film.
The invention also provides a foldable glass cover plate, which comprises the semi-cured pressure-sensitive polymer film and the ultrathin glass, wherein the semi-cured pressure-sensitive polymer film is disclosed in claims 1-8. A method of making a foldable glass cover panel, comprising:
coating a semi-cured pressure-sensitive polymer film on the surface of the ultrathin glass at normal temperature;
and II, carrying out photocuring on the semi-cured pressure-sensitive polymer film by using ultraviolet light after the coating is finished.
Compared with the prior art, the invention has the following beneficial effects:
the semi-cured pressure-sensitive polymer film provided by the invention adopts methacrylate polymer of double bond and epoxy monomer units as a main resin material, the molecular weight of the polymer is more than 10W, the molecular chain is long, and the semi-cured pressure-sensitive polymer film has better impact resistance. The unsaturated double bond adopts a free radical photoinitiator, and the epoxy functional group adopts a cationic photoinitiator. The two curing modes can improve the density of the crosslinking points, thereby improving the impact resistance. After the isocyanate curing agent is added into the main resin material, crosslinking can be carried out in an ultraviolet irradiation mode at normal temperature, the glass transition temperature is changed from being lower than-5 ℃ before crosslinking to being not higher than 50 ℃ after crosslinking, the main resin before crosslinking has higher pressure-sensitive performance and can completely cover the surface of UTG, and the main resin after ultraviolet crosslinking can be tightly attached to the surface of UTG.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the invention.
The invention will now be further described with reference to the following examples, which are intended to be illustrative of the invention and are not to be construed as limiting the invention. The examples, where specific techniques and reaction conditions are not indicated, can be carried out according to the techniques or conditions or product specifications described in the literature in the field. Reagents, instruments or equipment of any manufacturer not indicated are commercially available.
Preparation of each polymer:
in a reaction vessel equipped with a thermometer, a stirrer, a reflux condenser and a nitrogen gas inlet tube, 63 parts by weight of 2-ethylhexyl acrylate (2EHA), 15 parts by weight of Butyl Acrylate (BA), 12 parts by weight of Glycidyl Methacrylate (GMA), 10 parts by weight of hydroxyethyl acrylate (HEA), 0.2 parts by weight of azobisisobutyronitrile as a polymerization initiator, and 233 parts by weight of ethyl acetate as a solvent were charged as monomers, and nitrogen gas was introduced and replaced with nitrogen gas for about 1 hour while stirring. Thereafter, the mixture was heated to 60 ℃ and reacted for 7 hours to obtain an acrylic polymer. Then adding 3 parts by weight of isocyanate ethyl methacrylate MOI and 0.01 part of dibutyltin dilaurate, heating to 50 ℃, and reacting for 5 hours to obtain the acrylic polymer A containing double bonds and epoxy groups
The monomer addition was changed to 2EHA 63 parts by weight, Butyl Acrylate (BA)15 parts by weight, Glycidyl Methacrylate (GMA)12 parts by weight, and HEA 10 parts by weight, isocyanate ethyl methacrylate MOI 0 parts by weight and dibutyltin dilaurate 0 parts. Otherwise, polymerization was carried out in the same manner as for the polymer A, and a solution of the acrylic polymer B was obtained.
The monomer addition amounts were changed to 2EHA 63 parts by weight, Butyl Acrylate (BA)15 parts by weight, Glycidyl Methacrylate (GMA)12 parts by weight, and HEA 10 parts by weight, isocyanate ethyl methacrylate MOI 6 parts by weight and dibutyltin dilaurate 0.01 parts. Otherwise, polymerization was carried out in the same manner as for the polymer A, and a solution of the acrylic polymer C was obtained.
The monomer addition amounts were changed to 2EHA 63 parts by weight, Butyl Acrylate (BA)15 parts by weight, Glycidyl Methacrylate (GMA)6 parts by weight, and HEA 10 parts by weight, isocyanate ethyl methacrylate MOI 3 parts by weight and dibutyltin dilaurate 0.01 parts. Otherwise, polymerization was carried out in the same manner as for the polymer a, and a solution of the acrylic polymer D was obtained.
The monomer addition amounts were changed to 2EHA 63 parts by weight, Butyl Acrylate (BA)15 parts by weight, Glycidyl Methacrylate (GMA)18 parts by weight, and HEA 10 parts by weight, isocyanate ethyl methacrylate MOI 3 parts by weight and dibutyltin dilaurate 0.01 parts. Otherwise, polymerization was carried out in the same manner as for the polymer A, and a solution of the acrylic polymer E was obtained.
Mixing the polymer, 128E, KR-100, isocyanate, PAM-5E, TPO and 1176 together to form a homogeneous mixture, coating the homogeneous mixture on a release film by a coating method, drying at high temperature, and attaching the release film to form the semi-cured pressure-sensitive polymer film.
Example 1
60 parts of polymer A, 20 parts of epoxy resin 128E, 10 parts of epoxy resin KR-100, 3 parts of isocyanate, 5 parts of PAM-5E, 1.5 parts of photoinitiator TPO and 1.5 parts of photoinitiator 1176 are mixed together to form a homogeneous mixture, the homogeneous mixture is coated on a release film by a coating method, then high-temperature drying is carried out, the release film is attached, and a semi-cured pressure-sensitive polymer film is formed, so that the embodiment 1 is obtained.
Example 2
Mixing 60 parts of polymer B, 20 parts of epoxy resin 128E, 10 parts of epoxy resin KR-100, 3 parts of isocyanate, 5 parts of PAM-5E, 1 part of photoinitiator TPO and 1.5 parts of photoinitiator 1176 together to form a homogeneous mixture, coating the homogeneous mixture on a release film by a coating method, then drying at high temperature, attaching the release film to form a semi-cured pressure-sensitive polymer film, and obtaining the pressure-sensitive polymer film in the embodiment 2.
Example 3
Mixing 60 parts of polymer C, 20 parts of epoxy resin 128E, 10 parts of epoxy resin KR-100, 3 parts of isocyanate, 5 parts of PAM-5E, 1.5 parts of photoinitiator TPO and 1.5 parts of photoinitiator 1176 together to form a homogeneous mixture, coating the homogeneous mixture on a release film by a coating method, then drying at high temperature, attaching the release film to form a semi-cured pressure-sensitive polymer film, and obtaining the pressure-sensitive polymer film in the embodiment 3.
Example 4
Mixing 60 parts of polymer D, 20 parts of epoxy resin 128E, 10 parts of epoxy resin KR-100, 3 parts of isocyanate, 5 parts of PAM-5E, 1.5 parts of photoinitiator TPO and 1.5 parts of photoinitiator 1176 together to form a homogeneous mixture, coating the homogeneous mixture on a release film by a coating method, then drying at high temperature, attaching the release film to form a semi-cured pressure-sensitive polymer film, and obtaining the pressure-sensitive polymer film in the embodiment 4.
Example 5
Mixing 60 parts of polymer E, 20 parts of epoxy resin 128E, 10 parts of epoxy resin KR-100, 3 parts of isocyanate, 5 parts of PAM-5E, 1.5 parts of photoinitiator TPO and 1.5 parts of photoinitiator 1176 together to form a homogeneous mixture, coating the homogeneous mixture on a release film by a coating method, then drying at high temperature, attaching the release film to form a semi-cured pressure-sensitive polymer film, and obtaining the pressure-sensitive polymer film in the embodiment 5.
Example 6
Mixing 50 parts of polymer A, 20 parts of epoxy resin 128E, 30 parts of epoxy resin KR-100, 3 parts of isocyanate, 5 parts of PAM-5E, 1.5 parts of photoinitiator TPO and 1.5 parts of photoinitiator 1176 together to form a homogeneous mixture, coating the homogeneous mixture on a release film by a coating method, then drying at high temperature, attaching the release film to form a semi-cured pressure-sensitive polymer film, and obtaining the pressure-sensitive polymer film in the embodiment 6.
Example 7
Mixing 50 parts of polymer A, 30 parts of epoxy resin 128E, 20 parts of epoxy resin KR-100, 3 parts of isocyanate, 5 parts of PAM-5E, 1.5 parts of photoinitiator TPO and 1.5 parts of photoinitiator 1176 together to form a homogeneous mixture, coating the homogeneous mixture on a release film by a coating method, then drying at high temperature, attaching the release film to form a semi-cured pressure-sensitive polymer film, and obtaining the pressure-sensitive polymer film in the embodiment 7.
The physical property parameters of the examples 1 to 7 are tested and compared, and the results are detailed in the following table 1:
TABLE 1 comparison of the parameters of the examples
The test methods of the performances in the table are respectively as follows:
before UV: adhesion of the uncrosslinked homogeneous mixture to UTG (N/25 mm);
after UV: (ii) a hundred grid test method;
the method comprises the following steps: PET50/OCA 50/cellophane/UTG 30/OCA50/PET50, pen: 12g morning light sign pen falls platform: and (5) flattening the steel plate. Wherein the adhesive film is a semi-cured pressure-sensitive adhesive film, and is combined according to a test structure and passes through 1500mj/cm2Energy radiation curing, and finally taking the pen falling height as an evaluation index;
the method 2 comprises the following steps: PET50/OCA 50/cellophane/UTG 30/OCA50/PET50, R2 in-fold bending tool, bending 20W times;
the method 3 comprises the following steps: PET50/OCA 50/cellophane/UTG 30/OCA50/PET50, R2 in-fold bending tool, 90% RH 240h at 60 DEG C
It is evident from the table that the glass transition temperatures of the products of the examples other than example 2 are higher than 50 ℃, and the adhesion of example 2 is only 2B as measured by the one-hundred-test method, which is lower than the non-peeling of 5B of the other examples. The impact resistance of examples 6 and 7 was higher than that of the other examples, but in example 6, whitening was observed in both dynamic bending and static bending, and thus, the physical parameter results of example 7 were better than those of the other examples.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. The invention is not described in detail in order to avoid unnecessary repetition.
Claims (9)
1. A semi-cured pressure sensitive polymer film comprising, in mass percent: 40-80% of macromonomer, 1-10% of isocyanate, 10-50% of epoxy resin, 1-10% of adhesion promoter, 0.5-5% of photoinitiator and 0.5-5% of photoinitiator.
2. The semi-cured pressure-sensitive polymer film according to claim 1, wherein the macromonomer is a methacrylate polymer of a monomer unit containing a double bond and an epoxy group.
3. The semi-cured pressure-sensitive polymer film according to claim 2, wherein the methacrylate-based polymer is a monomer component containing an alkyl acrylate or an alkyl methacrylate as a main monomer component, and also containing a double bond unit and an epoxy unit.
4. The semi-cured pressure-sensitive polymer film according to claim 3, wherein the methacrylate polymer is a polymer having a weight average molecular weight of 10 ten thousand or more.
5. The semi-cured pressure-sensitive polymer film according to claim 1, wherein the epoxy resin has an epoxy equivalent of 100 to 400.
6. The semi-cured pressure sensitive polymer film of claim 1, wherein the initiator comprises a free radical photoinitiator and a cationic photoinitiator; the free radical photoinitiator is selected from (2, 4, 6-trimethylbenzoyl) ethyl phenylphosphonate, 1-hydroxycyclohexyl phenyl ketone, (2, 4, 6-trimethylbenzoyl) diphenyl phosphine oxide, oxy-phenyl-acetic acid 2- [ 2-oxo-2-phenyl-acetoxy-ethoxy ] -ethyl ester, one or more of oxy-phenyl-acetic acid 2- [ 2-hydroxy-ethoxy ] -ethyl ester, 2-hydroxy-2-methyl-1-phenyl-1-propanone, phenylbis (2, 4, 6-trimethylbenzoyl) phosphine oxide, iodonium (4-methylphenyl) [4- (2-methylpropyl) phenyl ] -hexafluorophosphate; the cationic photoinitiator is selected from one or more of diazonium salt, iodonium salt, sulfonium salt, antimonate and iron arene.
7. A method of preparing a semi-cured pressure sensitive polymer film, comprising:
the method comprises the following steps of I, mixing semi-solidified pressure-sensitive polymers in proportion, and coating the mixture on the surface of a release film, wherein the thickness of the release film is not more than 50 mu m;
and II, drying the release film coated with the semi-solidified pressure-sensitive polymer by an oven, and covering the release film on the surface which is not attached with the release film to obtain the semi-solidified pressure-sensitive polymer film.
8. A foldable glass cover plate comprising the semi-cured pressure sensitive polymer film of claims 1-8 and an ultra-thin glass.
9. A method of making a foldable glass cover panel, comprising:
coating a semi-cured pressure-sensitive polymer film on the surface of the ultrathin glass at normal temperature;
and II, carrying out photocuring on the semi-cured pressure-sensitive polymer film by using ultraviolet light after the coating is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210534064.4A CN114736627A (en) | 2022-05-17 | 2022-05-17 | Semi-solidified pressure-sensitive polymer film, foldable glass cover plate and preparation methods of semi-solidified pressure-sensitive polymer film and foldable glass cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210534064.4A CN114736627A (en) | 2022-05-17 | 2022-05-17 | Semi-solidified pressure-sensitive polymer film, foldable glass cover plate and preparation methods of semi-solidified pressure-sensitive polymer film and foldable glass cover plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114736627A true CN114736627A (en) | 2022-07-12 |
Family
ID=82285194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210534064.4A Pending CN114736627A (en) | 2022-05-17 | 2022-05-17 | Semi-solidified pressure-sensitive polymer film, foldable glass cover plate and preparation methods of semi-solidified pressure-sensitive polymer film and foldable glass cover plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114736627A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115340834A (en) * | 2022-08-10 | 2022-11-15 | 新纶电子材料(常州)有限公司 | Explosion-proof membrane and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103946998A (en) * | 2011-11-18 | 2014-07-23 | Lg化学株式会社 | Photocurable adhesive film for organic electronic device seal, organic electronic device, and method for sealing same |
| WO2015030203A1 (en) * | 2013-08-30 | 2015-03-05 | 日東電工株式会社 | Curable adhesive for polarizing films, polarizing film, optical film and image display device |
| CN109401689A (en) * | 2018-09-28 | 2019-03-01 | 张家港康得新光电材料有限公司 | UV solidification adhesive |
| CN114058289A (en) * | 2020-08-07 | 2022-02-18 | 宁波安特弗新材料科技有限公司 | UV visbreaking adhesive and UV visbreaking adhesive tape |
-
2022
- 2022-05-17 CN CN202210534064.4A patent/CN114736627A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103946998A (en) * | 2011-11-18 | 2014-07-23 | Lg化学株式会社 | Photocurable adhesive film for organic electronic device seal, organic electronic device, and method for sealing same |
| WO2015030203A1 (en) * | 2013-08-30 | 2015-03-05 | 日東電工株式会社 | Curable adhesive for polarizing films, polarizing film, optical film and image display device |
| CN109401689A (en) * | 2018-09-28 | 2019-03-01 | 张家港康得新光电材料有限公司 | UV solidification adhesive |
| CN114058289A (en) * | 2020-08-07 | 2022-02-18 | 宁波安特弗新材料科技有限公司 | UV visbreaking adhesive and UV visbreaking adhesive tape |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115340834A (en) * | 2022-08-10 | 2022-11-15 | 新纶电子材料(常州)有限公司 | Explosion-proof membrane and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101380850B1 (en) | Protective adhesive film, screen panel and mobile electronic terminal | |
| KR101813024B1 (en) | Active energy ray-curable composition, cured product thereof, and article having cured coating film thereof | |
| EP3320053A1 (en) | Uv curable epoxy/acrylate adhesive composition | |
| CN104837938A (en) | Liquid optical adhesive compositions | |
| CN105916899B (en) | Optics of liquids adhesive composition | |
| CN105745237B (en) | Optics of liquids adhesive composition | |
| KR20140057153A (en) | Active energy ray-curable composition, cured product thereof and articles with cured film thereof | |
| JP6432336B2 (en) | Isocyanate group-containing organopolysiloxane compound, method for producing the same, adhesive, pressure-sensitive adhesive, and coating agent | |
| KR20110105486A (en) | Ultraviolet hardening polyurethane adhesive, making method thereof, and liquid crystal displsy adhesion method using it | |
| CN110713818B (en) | Ultraviolet/moisture dual fast-curing polysiloxane adhesive composition | |
| KR20070120177A (en) | Actinic radiation curable resin composition and articles and moldings made by using the same | |
| CN107108668A (en) | Organo-silicon compound containing NCO, its manufacture method, bonding agent, contact adhesive and smears | |
| JPWO2005111167A1 (en) | Adhesive composition | |
| CN108728023A (en) | Pressure-sensitive adhesive composition and the film formed using the composition | |
| CN109135551A (en) | A kind of high-flexibility waterborne UV coating | |
| CN113088238A (en) | Preparation method of high-peel-force fast-packaging OCA adhesive for low-surface-energy interface lamination | |
| CN108641620A (en) | A kind of pressure sensitive adhesive and its application process being used for imagery optical component, touch panel, display device | |
| CN114736627A (en) | Semi-solidified pressure-sensitive polymer film, foldable glass cover plate and preparation methods of semi-solidified pressure-sensitive polymer film and foldable glass cover plate | |
| JP5778482B2 (en) | Thermosetting resin composition containing (meth) acrylate resin and cured product using the same | |
| CN115873511B (en) | Solvent-free UV (ultraviolet) viscosity reducing composition as well as preparation method and application thereof | |
| CN115386306A (en) | Optical cement, preparation method thereof and related product | |
| CN115353811A (en) | Ultraviolet light curing adhesive raw glue and ultraviolet light curing adhesive | |
| JPH03199217A (en) | Liquid curable resin composition | |
| KR20170114687A (en) | Photo curable adhesive composition and adhesive film | |
| JP2522663B2 (en) | Liquid curable resin composition |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |