CN112029450A - Optical pressure-sensitive adhesive for 3D curved surface hot bending film and preparation method thereof - Google Patents
Optical pressure-sensitive adhesive for 3D curved surface hot bending film and preparation method thereof Download PDFInfo
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- CN112029450A CN112029450A CN202010978393.9A CN202010978393A CN112029450A CN 112029450 A CN112029450 A CN 112029450A CN 202010978393 A CN202010978393 A CN 202010978393A CN 112029450 A CN112029450 A CN 112029450A
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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
- 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
- C09J133/08—Homopolymers or copolymers of acrylic acid esters
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F265/00—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00
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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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
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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
- 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
- C09J133/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
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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
- 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
- C09J133/064—Copolymers with monomers not covered by C09J133/06 containing anhydride, COOH or COOM groups, with M being metal or onium-cation
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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
- 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
- C09J133/066—Copolymers with monomers not covered by C09J133/06 containing -OH groups
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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
- 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
- C09J133/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
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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
- C09J7/30—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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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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
- C09J2433/00—Presence of (meth)acrylic polymer
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Abstract
The invention relates to the technical field of curved surface protective films, in particular to an optical pressure-sensitive adhesive for a 3D curved surface hot bending film and a preparation method thereof, wherein the optical pressure-sensitive adhesive comprises 20-60 parts of long-chain acrylic resin, 1-10 parts of hyperbranched polyacrylic resin, 10-25 parts of acrylic soft monomer, 1-10 parts of polyfunctional acrylic monomer, 1-10 parts of tackifying resin, 0.1-1 part of flatting agent, 0.5-1 part of defoaming agent and 0.5-2 parts of photoinitiator; the optical pressure-sensitive adhesive prepared by the formula and the preparation method thereof enhances the buffering effect, can greatly improve the bonding force at normal temperature and high temperature, and solves the problem of poor detachment.
Description
Technical Field
The invention relates to the technical field of curved surface protective films, in particular to an optical pressure-sensitive adhesive for a 3D curved surface hot bending film and a preparation method thereof.
Background
With the development of science and technology, curved screens are becoming popular, but curved screens are fragile, and the curved surface amplitude becomes big so that the protection of screen needs to be pasted with protection film. The curved membrane of 3D heat today is coated OCA back die-cutting on PET and is carried out the hot-bending, and the curved in-process of 3D heat, OCA easily take off at high temperature in-process, and certain resilience can appear after the shaping is bent to partial membrane material heat, causes the edge to be white edge or four corners and rises to stick up, and the disability rate is high. The OCA glue can not be recovered after being deformed, and the mobile phone cannot be effectively protected. In addition, the OCA elastic effect of the 3D hot bending film is poor, and the buffer protection effect cannot be achieved.
Disclosure of Invention
The invention aims to provide an optical pressure-sensitive adhesive for a 3D curved surface hot bending film and a preparation method thereof, aiming at the defects and shortcomings of the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that:
the invention relates to an optical pressure-sensitive adhesive for a 3D curved surface hot bending film, which comprises the following components, by weight, 20-60 parts of long-chain acrylic resin, 1-10 parts of hyperbranched polyacrylic resin, 10-25 parts of an acrylic soft monomer, 1-10 parts of a polyfunctional acrylic monomer, 1-10 parts of tackifying resin, 0.1-1 part of a leveling agent, 0.5-1 part of a defoaming agent, and 0.5-2 parts of a photoinitiator.
Further, the long-chain acrylic resin is an acrylic resin which is polymerized by flexible monomers and has the molecular weight of 50W-80W. The flexible monomer comprises one or more of butyl acrylate, methyl acrylate, acrylic acid, ethyl acrylate and 2-hydroxyethyl acrylate.
Further, the molecular weight of the hyperbranched polyacrylic resin is 40-80W.
Further, the acrylic acid soft monomer is one or two of isooctyl methacrylate and lauryl acrylate.
Further, the selected multifunctional acrylic monomer includes at least one of methacrylate esters having a functionality of 4 to 6.
In order to solve the technical problems, the invention adopts the technical scheme that: the method comprises the following steps:
a. fully mixing a preset amount of long-chain acrylic resin and hyperbranched polyacrylic resin in advance;
b. adding an acrylic acid soft monomer, a polyfunctional acrylic acid monomer, tackifying resin, a flatting agent and a defoaming agent into the uniformly stirred mixture in the step a in sequence, and uniformly mixing;
c. b, adding a photoinitiator into the uniformly stirred mixture in the step b, uniformly stirring, and preparing a film according to the thickness requirement;
d. after the film is prepared, ultraviolet radiation with the wavelength of 320-420 nm and the energy density of 800-3000mJ/cm2 is used for generating ultraviolet polymerization crosslinking reaction between the acrylic acid soft monomer and the acrylic acid monomer with multiple functionality.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the OCA system has good elasticity by adjusting the acrylic resin, the buffering effect is enhanced, the rebound after molding is small, the molding is easy, and the yield is high.
2. The problem of poor release is solved by adding a tackifying resin which can greatly improve the peeling force.
3. The multi-functional monomer is used for crosslinking, so that the bonding force at normal temperature and high temperature can be greatly improved, and the separation in the hot bending process can be prevented.
Detailed Description
The present invention will now be described in detail with reference to specific examples, which are provided for illustration only and are not intended to be limiting.
Example 1:
the optical pressure-sensitive adhesive for the 3D curved surface hot bending film is prepared from the following components in parts by weight:
the weight of each part of the following components is 1 kg;
60 parts of long-chain acrylic resin, 10 parts of hyperbranched polyacrylic resin, 25 parts of soft acrylic monomer, 1 part of multifunctional acrylic monomer, 10 parts of tackifying resin, 1 part of flatting agent, 0.5 part of defoaming agent and 2 parts of photoinitiator.
The optical pressure-sensitive adhesive for the 3D curved surface hot bending film is prepared by the following preparation method, and comprises the following steps:
a. fully mixing 60 parts of long-chain acrylic resin and 10 parts of hyperbranched polyacrylic resin in advance; b. adding 25 parts of soft acrylic monomer, 1 part of polyfunctional acrylic monomer, 10 parts of tackifying resin, 1 part of flatting agent and 0.5 part of defoaming agent into the uniformly stirred mixture in the step a in sequence, and uniformly mixing; c. b, adding 2 parts of photoinitiator into the uniformly stirred mixture in the step b, uniformly stirring, and preparing a film according to the thickness requirement; d. after the film is prepared, ultraviolet radiation with the wavelength of 420nm and the energy density of 3000mJ/cm2 is used for generating ultraviolet polymerization crosslinking reaction between acrylic acid soft monomer and acrylic acid monomer with multiple functionality; wherein the long-chain acrylic resin is polymerized into acrylic resin with the molecular weight of 50W-80W by using a flexible monomer; the flexible monomer comprises one or more of butyl acrylate, methyl acrylate, acrylic acid, ethyl acrylate and 2-hydroxyethyl acrylate; the molecular weight of the hyperbranched polyacrylic resin is 40-80W; the acrylic acid soft monomer is one or two of isooctyl methacrylate and lauryl acrylate; the selected multifunctional acrylic monomer comprises at least one of methacrylate with a functionality of 4-6; wherein the hyperbranched polyacrylic resin, the soft acrylic monomer and the multifunctional acrylic monomer are products of Changxing chemical industry (China) Limited company; the long-chain acrylic resin is a product of Sartomer chemical company Limited.
Example 2:
the optical pressure-sensitive adhesive for the 3D curved surface hot bending film is prepared from the following components in parts by weight:
the weight of each part of the following components is 1 kg;
20 parts of long-chain acrylic resin, 5 parts of hyperbranched polyacrylic resin, 18 parts of soft acrylic monomer, 10 parts of multifunctional acrylic monomer, 5 parts of tackifying resin, 0.1 part of flatting agent, 1 part of defoaming agent and 0.5 part of photoinitiator.
The optical pressure-sensitive adhesive for the 3D curved surface hot bending film is prepared by the following preparation method, and comprises the following steps:
a. fully mixing 20 parts of long-chain acrylic resin and 5 parts of hyperbranched polyacrylic resin in advance; b. adding 18 parts of soft acrylic monomer, 10 parts of polyfunctional acrylic monomer, 5 parts of tackifying resin, 0.1 part of leveling agent and 1 part of defoaming agent into the uniformly stirred mixture in the step a in sequence, and uniformly mixing; c. b, adding 0.5 part of photoinitiator into the uniformly stirred mixture in the step b, uniformly stirring, and preparing a film according to the thickness requirement; d. after the film is prepared, ultraviolet radiation with the wavelength of 370nm and the energy density of 1600mJ/cm2 is used for generating ultraviolet polymerization crosslinking reaction between acrylic acid soft monomer and acrylic acid monomer with multiple functionality; wherein the long-chain acrylic resin is polymerized into acrylic resin with the molecular weight of 50W-80W by using a flexible monomer; the flexible monomer comprises one or more of butyl acrylate, methyl acrylate, acrylic acid, ethyl acrylate and 2-hydroxyethyl acrylate; the molecular weight of the hyperbranched polyacrylic resin is 40-80W; the acrylic acid soft monomer is one or two of isooctyl methacrylate and lauryl acrylate; the selected multifunctional acrylic monomer comprises at least one of methacrylate with a functionality of 4-6; wherein the hyperbranched polyacrylic resin, the soft acrylic monomer and the multifunctional acrylic monomer are products of Changxing chemical industry (China) Limited company; the long-chain acrylic resin is a product of Sartomer chemical company Limited.
Example 3:
the optical pressure-sensitive adhesive for the 3D curved surface hot bending film is prepared from the following components in parts by weight:
the weight of each part of the following components is 1 kg;
40 parts of long-chain acrylic resin, 1 part of hyperbranched polyacrylic resin, 10 parts of soft acrylic monomer, 5 parts of multifunctional acrylic monomer, 1 part of tackifying resin, 0.5 part of flatting agent, 0.7 part of defoaming agent and 1.2 parts of photoinitiator.
The optical pressure-sensitive adhesive for the 3D curved surface hot bending film is prepared by the following preparation method, and comprises the following steps:
a. fully mixing 40 parts of long-chain acrylic resin and 1 part of hyperbranched polyacrylic resin in advance; b. adding 10 parts of soft acrylic monomer, 5 parts of polyfunctional acrylic monomer, 1 part of tackifying resin, 0.5 part of leveling agent and 0.7 part of defoaming agent into the uniformly stirred mixture in the step a in sequence, and uniformly mixing; c. b, adding 1.2 parts of photoinitiator into the uniformly stirred mixture in the step b, uniformly stirring, and preparing a film according to the thickness requirement; d. after the film is prepared, ultraviolet radiation with the wavelength of 350nm and the energy density of 800mJ/cm2 is used for generating ultraviolet polymerization crosslinking reaction between the acrylic acid soft monomer and the acrylic acid monomer with multiple functionality; wherein the long-chain acrylic resin is polymerized into acrylic resin with the molecular weight of 50W-80W by using a flexible monomer; the flexible monomer comprises one or more of butyl acrylate, methyl acrylate, acrylic acid, ethyl acrylate and 2-hydroxyethyl acrylate; the molecular weight of the hyperbranched polyacrylic resin is 40-80W; the acrylic acid soft monomer is one or two of isooctyl methacrylate and lauryl acrylate; the selected multifunctional acrylic monomer comprises at least one of methacrylate with a functionality of 4-6; wherein the hyperbranched polyacrylic resin, the soft acrylic monomer and the multifunctional acrylic monomer are products of Changxing chemical industry (China) Limited company; the long-chain acrylic resin is a product of Sartomer chemical company Limited.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the OCA system has good elasticity by adjusting the acrylic resin, the buffering effect is enhanced, the rebound after molding is small, the molding is easy, and the yield is high.
2. The problem of poor release is solved by adding a tackifying resin which can greatly improve the peeling force.
3. The multi-functional monomer is used for crosslinking, so that the bonding force at normal temperature and high temperature can be greatly improved, and the separation in the hot bending process can be prevented.
The foregoing is for the purpose of illustrating the invention only and various simple changes and modifications within the spirit of the invention made by those skilled in the art should fall within the scope of the invention.
Claims (6)
1. The utility model provides an optics pressure sensitive adhesive for curved membrane of 3D curved surface heat which characterized in that: the optical pressure-sensitive adhesive for the 3D curved surface hot bending film comprises the following components in percentage by weight,
20-60 parts of long-chain acrylic resin, 1-10 parts of hyperbranched polyacrylic resin, 10-25 parts of acrylic soft monomer, 1-10 parts of polyfunctional acrylic monomer, 1-10 parts of tackifying resin, 0.1-1 part of flatting agent, 0.5-1 part of defoaming agent and 0.5-2 parts of photoinitiator.
2. The optical pressure-sensitive adhesive for the 3D curved hot-bending film according to claim 1, wherein: the long-chain acrylic resin is polymerized into acrylic resin with the molecular weight of 50W-80W by flexible monomers; the flexible monomer comprises one or more of butyl acrylate, methyl acrylate, acrylic acid, ethyl acrylate and 2-hydroxyethyl acrylate.
3. The optical pressure-sensitive adhesive for the 3D curved hot-bending film according to claim 1, wherein: the molecular weight of the hyperbranched polyacrylic resin is 40-80W.
4. The optical pressure-sensitive adhesive for the 3D curved hot-bending film according to claim 1, wherein: the acrylic acid soft monomer is one or two of isooctyl methacrylate and lauryl acrylate.
5. The optical pressure-sensitive adhesive for the 3D curved hot-bending film according to claim 1, wherein: the selected multifunctional acrylic monomer includes at least one of methacrylates having a functionality of 4 to 6.
6. The preparation method of the optical pressure-sensitive adhesive for the 3D curved-surface hot-bending film according to claim 1, wherein the preparation method comprises the following steps: the method comprises the following steps:
a. fully mixing a preset amount of long-chain acrylic resin and hyperbranched polyacrylic resin in advance;
b. adding an acrylic acid soft monomer, a polyfunctional acrylic acid monomer, tackifying resin, a flatting agent and a defoaming agent into the uniformly stirred mixture in the step a in sequence, and uniformly mixing;
c. b, adding a photoinitiator into the uniformly stirred mixture in the step b, uniformly stirring, and scraping the material on a base material of the hot-bent film to prepare a film;
d. after the film is prepared, ultraviolet radiation with the wavelength of 320-420 nm and the energy density of 800-3000mJ/cm2 is used for generating ultraviolet polymerization crosslinking reaction between the acrylic acid soft monomer and the acrylic acid monomer with multiple functionality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010978393.9A CN112029450A (en) | 2020-09-17 | 2020-09-17 | Optical pressure-sensitive adhesive for 3D curved surface hot bending film and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010978393.9A CN112029450A (en) | 2020-09-17 | 2020-09-17 | Optical pressure-sensitive adhesive for 3D curved surface hot bending film and preparation method thereof |
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| CN112029450A true CN112029450A (en) | 2020-12-04 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102725372A (en) * | 2009-11-27 | 2012-10-10 | Lg化学株式会社 | Adhesive composition |
| CN103642406A (en) * | 2013-11-20 | 2014-03-19 | 苍南县三维电子塑胶有限公司 | Preparation method of optically transparent adhesive for touch screen |
| CN103725245A (en) * | 2013-12-20 | 2014-04-16 | 广州慧谷工程材料有限公司 | Solvent-free UV (ultraviolet) curing glue for optical transparent adhesive tape and preparation method and application thereof |
| CN108047385A (en) * | 2017-12-14 | 2018-05-18 | 中国科学院深圳先进技术研究院 | A kind of pressure-sensitive resin of response type and preparation method thereof |
| CN110437792A (en) * | 2019-07-11 | 2019-11-12 | 广州慧谷工程材料有限公司 | Optical cement and preparation method thereof suitable for the fitting of curved surface polycarbonate plate |
-
2020
- 2020-09-17 CN CN202010978393.9A patent/CN112029450A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102725372A (en) * | 2009-11-27 | 2012-10-10 | Lg化学株式会社 | Adhesive composition |
| CN103642406A (en) * | 2013-11-20 | 2014-03-19 | 苍南县三维电子塑胶有限公司 | Preparation method of optically transparent adhesive for touch screen |
| CN103725245A (en) * | 2013-12-20 | 2014-04-16 | 广州慧谷工程材料有限公司 | Solvent-free UV (ultraviolet) curing glue for optical transparent adhesive tape and preparation method and application thereof |
| CN108047385A (en) * | 2017-12-14 | 2018-05-18 | 中国科学院深圳先进技术研究院 | A kind of pressure-sensitive resin of response type and preparation method thereof |
| CN110437792A (en) * | 2019-07-11 | 2019-11-12 | 广州慧谷工程材料有限公司 | Optical cement and preparation method thereof suitable for the fitting of curved surface polycarbonate plate |
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