CN114686128A - OCA optical adhesive tape and processing technology thereof - Google Patents
OCA optical adhesive tape and processing technology thereof Download PDFInfo
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- CN114686128A CN114686128A CN202011642462.5A CN202011642462A CN114686128A CN 114686128 A CN114686128 A CN 114686128A CN 202011642462 A CN202011642462 A CN 202011642462A CN 114686128 A CN114686128 A CN 114686128A
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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
- C09J7/24—Plastics; Metallised plastics based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/245—Vinyl resins, e.g. polyvinyl chloride [PVC]
-
- 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
-
- 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
- C09J7/40—Adhesives in the form of films or foils characterised by release liners
-
- 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
- C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
- C09J2203/318—Applications of adhesives in processes or use of adhesives in the form of films or foils for the production of liquid crystal displays
-
- 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
- C09J2429/00—Presence of polyvinyl alcohol
- C09J2429/006—Presence of polyvinyl alcohol in the substrate
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Adhesive Tapes (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses an OCA optical adhesive tape, which relates to the technical field of OCA adhesive tapes and consists of a release film layer A, a low-viscosity silica gel layer, a PVB resin layer, a high-viscosity optical adhesive layer and a release film layer B from bottom to top in sequence, wherein the preparation method comprises the following steps: coating the sizing material of the low-viscosity silica gel layer on the release film layer A, and performing thermosetting treatment; adding ethanol into PVB resin to prepare PVB solution, coating the PVB solution on a low-viscosity silica gel layer, and heating and curing; coating the sizing material of the high-viscosity optical adhesive layer on the PVB resin layer, and carrying out UV (ultraviolet) curing treatment; and (4) pasting the release film layer B on the high-viscosity optical adhesive layer. According to the invention, the low-viscosity silica gel layer and the high-viscosity optical adhesive layer are formed on the release film layer by sequentially adopting a thermal curing method and an ultraviolet curing method, and the low-viscosity silica gel layer and the high-viscosity optical adhesive layer which cannot be directly bonded are bonded together by adopting PVB resin as a special adhesive, so that the obtained OCA optical adhesive tape has no intermediate base material, high light transmittance and good optical unlocking and ultrasonic fingerprint unlocking.
Description
Technical Field
The invention relates to the technical field of OCA (optical clear adhesive) tapes, in particular to an OCA optical tape and a processing technology thereof.
Background
At present, the market of mobile phones tends to be subdivided and personalized, full-screen and curved-surface screens become the standard of flagship models of mobile phone manufacturers, and the after-sale market of the mobile phones, such as the whole screen saver industry, also faces many demands and challenges due to the vigorous development of the mobile phone industry.
The traditional industrial double-sided adhesive tape is widely applied as the adhesion between electronic and electric components such as a touch screen of a mobile phone, and brings revolutionary leap for the electronic and electric industry. Wherein, the AB glue is prepared by taking PET as an intermediate substrate, coating OCA optical glue on one surface and coating silica gel on the other surface. The product has the advantages of obvious adverse effects on the thickness and the light transmittance of the adhesive tape due to the fact that the intermediate substrate is arranged, complex production process, poor touch sensitivity and optical property and poor ultrasonic fingerprint unlocking.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides an OCA optical adhesive tape and a processing technology thereof, PVB resin is used as an adhesive to bond a low-viscosity silica gel layer and a high-viscosity optical adhesive layer which cannot be directly bonded together, and the prepared OCA optical adhesive tape has no intermediate base material and high light transmittance.
The OCA optical adhesive tape provided by the invention sequentially comprises a release film layer A, a low-viscosity silica gel layer, a PVB resin layer, a high-viscosity optical adhesive layer and a release film layer B from bottom to top.
Preferably, the raw material of the PVB resin layer is PVB resin; preferably, the performance parameters of the PVB resin are: the tensile strength is more than 20Mpa, the elongation at break is 5-20%, the light transmittance is more than 90%, the haze is less than 1%, and the temperature resistance is below 180 ℃ and does not bend for 5 min.
Preferably, the main material of the low-viscosity silica gel layer is low-viscosity silica gel, and the low-viscosity silica gel is a mixture of silicone rubber and silicone resin; preferably, the low-viscosity silica gel layer further comprises the following raw materials: the solvent is one or more of ethyl acetate, toluene, butanone and 100-200 solvent oil.
Preferably, the main material of the high-viscosity optical adhesive layer is an acrylic acid polyurethane system; preferably, the high-viscosity optical adhesive layer further comprises the following raw materials: solvent-free diluent, photoinitiator, diluent monomer and auxiliary agent.
Preferably, the peeling force of the release film A and the low-viscosity silica gel layer is 10-20 g/in; preferably, the viscosity of the mirror steel plate with the low-viscosity silica gel layer is 0-50 g/in.
Preferably, the peeling force of the release film layer B and the high-viscosity optical adhesive layer is 1-10 g/in; preferably, the viscosity of the mirror steel plate of the high-viscosity optical adhesive layer is 100-2000 g/in.
Preferably, the release force of the release film layer A and the release force of the release film layer B are both 1-20 g/in.
Preferably, the thickness of the release film layer A is 10-100 μm, the thickness of the low-viscosity silica gel layer is 10-1000 μm, the thickness of the PVB resin layer is 10-50 μm, the thickness of the high-viscosity optical adhesive layer is 10-100 μm, and the thickness of the release film layer B is 10-100 μm.
The invention also provides a processing technology of the OCA optical adhesive tape, which comprises the following steps:
s1, coating the glue of the low-viscosity silica gel layer on the release film layer A, and performing heat curing treatment;
s2, adding ethanol into the PVB resin, heating to dissolve the mixture to prepare a PVB solution with the solid content of 20%, coating the PVB solution on the low-viscosity silica gel layer, and heating to cure the solution;
s3, coating the sizing material of the high-viscosity optical adhesive layer on the PVB resin layer, and carrying out UV (ultraviolet) light curing treatment;
and S4, pasting the release film layer B on the high-viscosity optical adhesive layer to obtain the optical adhesive.
Preferably, in S1, the thermosetting temperature is 60-250 ℃, and the curing time is 60-300S;
preferably, in S2, the curing time is 60-120S, and the curing strength is 30-100%.
Has the advantages that: the invention provides an OCA optical adhesive tape, which is characterized in that a low-viscosity silica gel layer and a high-viscosity optical adhesive layer are formed on a release film layer by sequentially adopting a thermosetting method and an ultraviolet curing method, PVB resin is used as a special adhesive to bond the low-viscosity silica gel layer and the high-viscosity optical adhesive layer which cannot be directly bonded together, and finally a release film layer is attached to obtain the AB adhesive with both sides of the OCA optical adhesive. The low-viscosity silica gel layer in the OCA optical adhesive tape can automatically exhaust, is easy to attach to the surface of glass, and is convenient to use; the high-viscosity optical adhesive layer is cured by ultraviolet rays, so that the time is shorter, the pollution is reduced, and the environment is protected. Compared with AB glue in the prior art, the OCA optical adhesive tape has no intermediate base material, high light transmittance, good optical unlocking and ultrasonic fingerprint unlocking, no irritation to human skin, no toxicity, and good wear resistance and weather resistance.
Detailed Description
The technical solution of the present invention will be described in detail below with reference to specific examples.
Example 1
The OCA optical adhesive tape provided by the invention sequentially consists of a release film layer A, a low-viscosity silica gel layer, a PVB resin layer, a high-viscosity optical adhesive layer and a release film layer B from bottom to top; the thicknesses of the layers were 25 μm, 20 μm, 10 μm, 20 μm, and 25 μm in this order.
The PVB resin layer is prepared from PVB resin TB-05, and the performance parameters are as follows: the tensile strength is more than 20Mpa, the elongation at break is 5-20%, the light transmittance is more than 90%, the haze is less than 1%, and the temperature resistance is below 180 ℃ and does not bend for 5 min.
The sizing material of the low-viscosity silica gel layer comprises the following raw materials: low viscosity silica gel, cross-linking agent (H-165), inhibitor, catalyst and solvent; wherein the low-viscosity silica gel is a mixture of silicone rubber and silicone resin, and the solvent is a mixture of ethyl acetate and toluene. The mirror steel plate viscosity of the low-viscosity silica gel layer is 0-50 g/in, the release force of the release film layer A is 1-20 g/in, and the release force of the release film A and the low-viscosity silica gel layer is 10-20 g/in.
The sizing material of the high-viscosity optical adhesive layer comprises the following raw materials: acrylic polyurethane system, solvent-free diluent, photoinitiator, diluent monomer and auxiliary agent. The mirror steel plate of the high-viscosity optical adhesive layer has the viscosity of 100-2000 g/in, the release force of the release film layer B is 1-20 g/in, and the release force of the release film layer B and the high-viscosity optical adhesive layer is 1-10 g/in.
The processing technology of the OCA optical adhesive tape comprises the following steps:
s1, coating the glue material of the low-viscosity silica gel layer on the release film layer A, and performing thermosetting treatment, wherein the thermosetting temperature is 60 ℃ and the curing time is 300S;
s2, adding ethanol into PVB resin, heating to dissolve the PVB resin into a solution with a solid content of 20%, wherein the heating temperature is 120 ℃; coating a PVB solution on a low-viscosity silica gel layer, and performing thermal curing treatment, wherein the thermal curing temperature is 80 ℃ and the curing time is 300 s;
s3, coating the sizing material of the high-viscosity optical adhesive layer on the PVB resin layer, and carrying out UV (ultraviolet) curing treatment, wherein the curing strength is 30%;
and S4, pasting the release film layer B on the high-viscosity optical adhesive layer to obtain the optical adhesive.
Example 2
The OCA optical adhesive tape provided by the invention sequentially consists of a release film layer A, a low-viscosity silica gel layer, a PVB resin layer, a high-viscosity optical adhesive layer and a release film layer B from bottom to top; the thicknesses of the layers were 50 μm, 30 μm, 20 μm, 30 μm, and 50 μm in this order.
The PVB resin layer is prepared from PVB resin TB-05, and the performance parameters are as follows: the tensile strength is more than 20Mpa, the elongation at break is 5-20%, the light transmittance is more than 90%, the haze is less than 1%, and the temperature resistance is below 180 ℃ and does not bend for 5 min.
The sizing material of the low-viscosity silica gel layer comprises the following raw materials: low viscosity silica gel, cross-linking agent (H-165), inhibitor, catalyst and solvent; the low-viscosity silica gel is a mixture of silicon rubber and silicon resin, and the solvent is a mixture of toluene, butanone and 100-200 solvent oil. The mirror steel plate viscosity of the low-viscosity silica gel layer is 0-50 g/in, the release force of the release film layer A is 1-20 g/in, and the release force of the release film A and the low-viscosity silica gel layer is 10-20 g/in.
The glue material of the high-viscosity optical glue layer comprises the following raw materials: acrylic acid polyurethane system, solvent-free diluent, photoinitiator, diluent monomer and auxiliary agent. The mirror steel plate of the high-viscosity optical adhesive layer has the viscosity of 100-2000 g/in, the release force of the release film layer B is 1-20 g/in, and the release force of the release film layer B and the high-viscosity optical adhesive layer is 1-10 g/in.
The processing technology of the OCA optical adhesive tape comprises the following steps:
s1, coating the glue material of the low-viscosity silica gel layer on the release film layer A, and performing thermosetting treatment, wherein the thermosetting temperature is 250 ℃ and the curing time is 60S;
s2, adding ethanol into PVB resin, heating and dissolving to obtain a solution with a solid content of 20%, wherein the heating temperature is 120 ℃; coating the PVB solution on the low-viscosity silica gel layer, and performing thermal curing treatment, wherein the thermal curing temperature is 150 ℃ and the curing time is 60 s;
s3, coating the glue material of the high-viscosity optical glue layer on the PVB resin layer, and carrying out UV (ultraviolet) curing treatment, wherein the curing strength is 65%;
and S4, pasting the release film layer B on the high-viscosity optical adhesive layer to obtain the optical adhesive.
Example 3
The OCA optical adhesive tape provided by the invention sequentially consists of a release film layer A, a low-viscosity silica gel layer, a PVB resin layer, a high-viscosity optical adhesive layer and a release film layer B from bottom to top; the thicknesses of the layers were 75 μm, 50 μm, 30 μm, 50 μm, and 75 μm in this order.
The PVB resin layer is prepared from PVB resin TB-05, and the performance parameters are as follows: the tensile strength is more than 20Mpa, the elongation at break is 5-20%, the light transmittance is more than 90%, the haze is less than 1%, and the temperature resistance is below 180 ℃ and does not bend for 5 min.
The sizing material of the low-viscosity silica gel layer comprises the following raw materials: low viscosity silica gel, cross-linking agent (H-165), inhibitor, catalyst and solvent; wherein the low-viscosity silica gel is a mixture of silicon rubber and silicon resin, and the solvent is a mixture of ethyl acetate and butanone. The mirror steel plate viscosity of the low-viscosity silica gel layer is 0-50 g/in, the release force of the release film layer A is 1-20 g/in, and the release force of the release film A and the low-viscosity silica gel layer is 10-20 g/in.
The sizing material of the high-viscosity optical adhesive layer comprises the following raw materials: acrylic polyurethane system, solvent-free diluent, photoinitiator, diluent monomer and auxiliary agent. The mirror steel plate of the high-viscosity optical adhesive layer has the viscosity of 100-2000 g/in, the release force of the release film layer B is 1-20 g/in, and the release force of the release film layer B and the high-viscosity optical adhesive layer is 1-10 g/in.
The processing technology of the OCA optical adhesive tape comprises the following steps:
s1, coating the glue material of the low-viscosity silica gel layer on the release film layer A, and performing thermosetting treatment, wherein the thermosetting temperature is 120 ℃, and the curing time is 120S;
s2, adding ethanol into PVB resin, heating and dissolving to obtain a solution with a solid content of 20%, wherein the heating temperature is 120 ℃; coating a PVB solution on a low-viscosity silica gel layer, and performing thermal curing treatment, wherein the thermal curing temperature is 150 ℃ and the curing time is 180 s;
s4, coating the sizing material of the high-viscosity optical adhesive layer on the PVB resin layer, and carrying out UV (ultraviolet) curing treatment, wherein the curing strength is 100%;
and S5, pasting the release film layer B on the high-viscosity optical adhesive layer to obtain the optical adhesive.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The OCA optical adhesive tape is characterized by sequentially consisting of a release film layer A, a low-viscosity silica gel layer, a PVB resin layer, a high-viscosity optical adhesive layer and a release film layer B from bottom to top.
2. The OCA optical tape of claim 1, wherein the PVB resin layer is made of PVB resin; preferably, the PVB resin has performance parameters of: the tensile strength is more than 20Mpa, the elongation at break is 5-20%, the light transmittance is more than 90%, the haze is less than 1%, and the temperature resistance is below 180 ℃ and does not bend for 5 min.
3. The OCA optical tape of claim 1, wherein the low-viscosity silicone adhesive layer comprises a main material of low-viscosity silicone rubber, and the low-viscosity silicone rubber is a mixture of silicone rubber and silicone resin; preferably, the low-viscosity silica gel layer further comprises the following raw materials: the solvent is one or more of ethyl acetate, toluene, butanone and 100-200 solvent oil.
4. The OCA optical tape of claim 1, wherein the main material of the high-viscosity optical adhesive layer is an acrylic polyurethane system; preferably, the high-viscosity optical adhesive layer further comprises the following raw materials: solvent-free diluent, photoinitiator, diluent monomer and auxiliary agent.
5. The OCA optical tape according to claim 1 or 3, wherein the release film A and the low-viscosity silica gel layer have a peel force of 10-20 g/in; preferably, the viscosity of the mirror steel plate with the low-viscosity silica gel layer is 0-50 g/in.
6. The OCA optical adhesive tape according to claim 1 or 4, wherein the release film layer B has a peeling force of 1-10 g/in with the high-viscosity optical adhesive layer; preferably, the viscosity of the mirror steel plate of the high-viscosity optical adhesive layer is 100-2000 g/in.
7. The OCA optical tape according to claim 1, wherein the release force of the release film layer A and the release film layer B is 1-20 g/in.
8. The OCA optical tape of claim 1, wherein the release film layer A has a thickness of 10-100 μm, the low-viscosity silica gel layer has a thickness of 10-1000 μm, the PVB resin layer has a thickness of 10-50 μm, the high-viscosity optical adhesive layer has a thickness of 10-100 μm, and the release film layer B has a thickness of 10-100 μm.
9. The process for processing the OCA optical adhesive tape according to any one of claims 1-8, which comprises the following steps:
s1, coating the glue of the low-viscosity silica gel layer on the release film layer A, and performing heat curing treatment;
s2, adding ethanol into the PVB resin, heating and dissolving to prepare a PVB solution with the solid content of 20%, coating the PVB solution on a low-viscosity silica gel layer, and heating and curing;
s3, coating the sizing material of the high-viscosity optical adhesive layer on the PVB resin layer, and carrying out UV (ultraviolet) light curing treatment;
and S4, pasting the release film layer B on the high-viscosity optical adhesive layer to obtain the optical adhesive.
10. The OCA optical tape processing technology of claim 9, wherein in S1, the heat curing temperature is 60-250 ℃, and the curing time is 60-300S;
preferably, in S2, the curing time is 60-120S, and the curing strength is 30-100%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011642462.5A CN114686128A (en) | 2020-12-31 | 2020-12-31 | OCA optical adhesive tape and processing technology thereof |
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| CN202011642462.5A CN114686128A (en) | 2020-12-31 | 2020-12-31 | OCA optical adhesive tape and processing technology thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115521758A (en) * | 2022-09-14 | 2022-12-27 | 太湖金张科技股份有限公司 | High-refractive-index organic silicon OCA and preparation method thereof |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100912631B1 (en) * | 2008-12-09 | 2009-08-17 | (주)티엠에스 | Double-side adhesive tape having multilayer structure and method for manufacturing thereof |
| EP2199357A1 (en) * | 2008-12-22 | 2010-06-23 | 3M Innovative Properties Company | Layered Material Containing Polyvinyl Butyral |
| CN205800424U (en) * | 2016-06-23 | 2016-12-14 | 皇冠（太仓）胶粘制品有限公司 | A kind of safety glass film |
| CN106833423A (en) * | 2017-03-22 | 2017-06-13 | 东莞市纳利光学材料有限公司 | One kind plus viscous anti-blue light composite membrane |
| CN107033794A (en) * | 2017-05-02 | 2017-08-11 | 东莞市纳利光学材料有限公司 | A kind of OCA optical cements and preparation method thereof |
| CN107245304A (en) * | 2017-07-20 | 2017-10-13 | 东莞市纳利光学材料有限公司 | A kind of OCA optical adhesive films and its manufacturing process |
| CN108475514A (en) * | 2015-11-09 | 2018-08-31 | 科思创德国股份有限公司 | Kit containing sealant and photopolymer |
| CN109130350A (en) * | 2018-06-14 | 2019-01-04 | 广州易航电子有限公司 | A kind of bend glass protective film and preparation method thereof |
| CN109504305A (en) * | 2018-12-14 | 2019-03-22 | 惠州市摩码菱丽光电材料有限公司 | A kind of peep-proof soft glass film and preparation method thereof |
| JP2019111660A (en) * | 2017-12-20 | 2019-07-11 | 東亞合成株式会社 | Laminate having adhesive layer and method for producing laminate |
| CN210065624U (en) * | 2019-04-22 | 2020-02-14 | 太湖金张科技股份有限公司 | Surface protective film for processing device with uneven structure on surface |
| CN210506183U (en) * | 2018-12-17 | 2020-05-12 | 浙江欣麟新材料技术有限公司 | Blue light-proof AB adhesive applied to fingerprint identification mobile phone screen under screen |
| CN111484810A (en) * | 2020-04-23 | 2020-08-04 | 广东邦固薄膜涂料创新研究院有限公司 | 3D curved screen anti-fingerprint TPU (thermoplastic polyurethane) protective film and preparation method thereof |
| CN112094601A (en) * | 2020-09-27 | 2020-12-18 | 衡山县佳诚新材料有限公司 | AB glue for rapidly exhausting and highly filling toughened film |
-
2020
- 2020-12-31 CN CN202011642462.5A patent/CN114686128A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100912631B1 (en) * | 2008-12-09 | 2009-08-17 | (주)티엠에스 | Double-side adhesive tape having multilayer structure and method for manufacturing thereof |
| EP2199357A1 (en) * | 2008-12-22 | 2010-06-23 | 3M Innovative Properties Company | Layered Material Containing Polyvinyl Butyral |
| CN108475514A (en) * | 2015-11-09 | 2018-08-31 | 科思创德国股份有限公司 | Kit containing sealant and photopolymer |
| CN205800424U (en) * | 2016-06-23 | 2016-12-14 | 皇冠（太仓）胶粘制品有限公司 | A kind of safety glass film |
| CN106833423A (en) * | 2017-03-22 | 2017-06-13 | 东莞市纳利光学材料有限公司 | One kind plus viscous anti-blue light composite membrane |
| CN107033794A (en) * | 2017-05-02 | 2017-08-11 | 东莞市纳利光学材料有限公司 | A kind of OCA optical cements and preparation method thereof |
| CN107245304A (en) * | 2017-07-20 | 2017-10-13 | 东莞市纳利光学材料有限公司 | A kind of OCA optical adhesive films and its manufacturing process |
| JP2019111660A (en) * | 2017-12-20 | 2019-07-11 | 東亞合成株式会社 | Laminate having adhesive layer and method for producing laminate |
| CN109130350A (en) * | 2018-06-14 | 2019-01-04 | 广州易航电子有限公司 | A kind of bend glass protective film and preparation method thereof |
| CN109504305A (en) * | 2018-12-14 | 2019-03-22 | 惠州市摩码菱丽光电材料有限公司 | A kind of peep-proof soft glass film and preparation method thereof |
| CN210506183U (en) * | 2018-12-17 | 2020-05-12 | 浙江欣麟新材料技术有限公司 | Blue light-proof AB adhesive applied to fingerprint identification mobile phone screen under screen |
| CN210065624U (en) * | 2019-04-22 | 2020-02-14 | 太湖金张科技股份有限公司 | Surface protective film for processing device with uneven structure on surface |
| CN111484810A (en) * | 2020-04-23 | 2020-08-04 | 广东邦固薄膜涂料创新研究院有限公司 | 3D curved screen anti-fingerprint TPU (thermoplastic polyurethane) protective film and preparation method thereof |
| CN112094601A (en) * | 2020-09-27 | 2020-12-18 | 衡山县佳诚新材料有限公司 | AB glue for rapidly exhausting and highly filling toughened film |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115521758A (en) * | 2022-09-14 | 2022-12-27 | 太湖金张科技股份有限公司 | High-refractive-index organic silicon OCA and preparation method thereof |
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