CN113773779B - Optical glue and application thereof - Google Patents
Optical glue and application thereof Download PDFInfo
- Publication number
- CN113773779B CN113773779B CN202111275650.3A CN202111275650A CN113773779B CN 113773779 B CN113773779 B CN 113773779B CN 202111275650 A CN202111275650 A CN 202111275650A CN 113773779 B CN113773779 B CN 113773779B
- Authority
- CN
- China
- Prior art keywords
- parts
- diacrylate
- tetragonal zirconia
- acrylate
- optical glue
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
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
- C09J171/00—Adhesives based on polyethers obtained by reactions forming an ether link in the main chain; Adhesives based on derivatives of such polymers
- C09J171/02—Polyalkylene oxides
-
- 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
- C09J11/04—Non-macromolecular additives inorganic
-
- 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
- C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
- C09J163/10—Epoxy resins modified by unsaturated compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2244—Oxides; Hydroxides of metals of zirconium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Macromonomer-Based Addition Polymer (AREA)
Abstract
The invention discloses optical glue and application thereof, wherein the optical glue comprises, by mass, 2-5 parts of tripropylene glycol diacrylate, 1-2 parts of tetrahydrochysene pyran acrylate, 4-7 parts of (10) ethoxylated bisphenol A diacrylate, 3-7 parts of polyethylene glycol (600) diacrylate, 20-25 parts of o-phenylphenoxyethyl acrylate, 15-20 parts of 2-phenoxyethyl acrylate, 40-45 parts of phenyl methacrylate, 1-2.5 parts of 1-hydroxycyclohexyl phenyl ketone, 0.5-1.5 parts of (2, 4, 6-trimethylbenzoyl) diphenyl phosphine oxide and 2-8 parts of modified tetragonal zirconia nano powder. According to the invention, the tetragonal zirconia is modified by the dopamine, so that the fusion degree of the tetragonal zirconia and the acrylic resin is increased, the refractive index of the optical composite film is improved, the light condensing degree of the prism on the light enhancement film is improved, and the brightness loss is reduced.
Description
Technical Field
The invention relates to the technical field of optical films, in particular to optical glue and application thereof.
Background
Liquid crystal display panels have been commonly used in display screens of computers, mobile phones, televisions, navigators, digital cameras and some instruments. Since the liquid crystal panel itself does not emit light, the backlight module, which is one of the key components of the liquid crystal display panel, plays a role in providing sufficient brightness and uniform light. The basic constitution of the backlight module except the light source comprises from bottom to top: reflective films, light guide plates, diffusion films, and brightness enhancement films, etc. The backlight passes through the light enhancement film with the prism structure from below, and then condenses light to enter the liquid crystal module, and at the moment, the optical refractive index directly influences whether the path of light rays can enter the target area more vertically.
With the requirements of high definition, ultra-high definition and thin design of the liquid crystal module, new requirements are put forward for the design of each optical film. In the process of manufacturing the optical composite film, the molding optical glue applied to the optical composite film has a critical influence on the performance of the optical composite film. The optical glue is mainly composed of acrylate resin, and the best optical refractive index is only about 1.6. When the refractive index is low, light is easy to deflect, so that the polarizing plates among the backlight modules reflect, brightness loss is generated, and backlight benefit is reduced. Inorganic nano-oxides generally have a high refractive index, but the compatibility of inorganic nano-oxide particles with acrylate resins is low, and it is difficult to make a prism structure (brightness enhancement film) of a prism.
Disclosure of Invention
In view of the above-mentioned shortcomings, one of the purposes of the present invention is to provide an optical glue, which increases the compatibility of inorganic oxide and resin by adding dopamine modified tetragonal zirconia nano powder into acrylate resin, increases the refractive index of the optical composite film, and reduces brightness loss.
In order to achieve the above purpose, the technical scheme provided by the invention is as follows:
the optical glue comprises, by mass, 2-5 parts of tripropylene glycol diacrylate, 1-2 parts of tetrahydrochysene pyran acrylate, 4-7 parts of (10) ethoxylated bisphenol A diacrylate, 3-7 parts of polyethylene glycol (600) diacrylate, 20-25 parts of o-phenylphenoxyethyl acrylate, 15-20 parts of 2-phenoxyethyl acrylate, 40-45 parts of phenyl methacrylate, 1-2.5 parts of 1-hydroxycyclohexyl phenyl ketone, 0.5-1.5 parts of (2, 4, 6-trimethylbenzoyl) diphenyl phosphine oxide and 2-8 parts of modified tetragonal zirconia nano powder.
Further, the optical glue comprises the following components, by mass, 2 parts of tripropylene glycol diacrylate, 1 part of tetrahydrochysene pyran acrylate, 5 parts of (10) ethoxylated bisphenol A diacrylate, 7 parts of polyethylene glycol (600) diacrylate, 24 parts of o-phenylphenoxyethyl acrylate, 16 parts of 2-phenoxyethyl acrylate, 42 parts of phenyl methacrylate, 2.5 parts of 1-hydroxycyclohexyl phenyl ketone, 1 part of (2, 4, 6-trimethylbenzoyl) diphenyl phosphine oxide and 5 parts of modified tetragonal zirconia nano powder.
Further, the modified tetragonal zirconia nano powder is obtained by the following method: uniformly stirring 2-5 parts by weight of nano tetragonal zirconia, 5-10 parts by weight of dopamine and 25-30 parts by weight of 25wt.% ethanol solution, adding 25wt.% ammonia water solution to adjust the pH value to 8.5, soaking for 12-24 hours at 60-70 ℃, adding 1mol/L dilute nitric acid to adjust the pH value to 7-7.5, rinsing, and carrying out centrifugal separation, water washing, ethanol washing and drying to obtain the modified tetragonal zirconia nano powder.
The second objective of the present invention is to provide an application of optical glue, which is used in the preparation of a brightness enhancement film in a liquid crystal backlight module, to increase the refractive index of the brightness enhancement film.
The beneficial effects of the invention are as follows: the invention adopts dopamine to modify nano tetragonal zirconia, increases the compatibility of tetragonal zirconia and acrylic resin, improves the refractive index of the optical composite film, and reduces brightness loss, wherein the refractive index is as high as 1.658.
Detailed Description
For a further understanding of the present invention, preferred embodiments of the invention are described below in conjunction with the examples, but it should be understood that these descriptions are merely intended to illustrate further features and advantages of the invention, and are not limiting of the claims of the invention.
The reagents or apparatus used in the present invention are conventional products commercially available without identifying the manufacturer.
Example 1
The optical glue comprises, by mass, 2 parts of tripropylene glycol diacrylate, 1 part of tetrahydro pyran acrylate, 5 parts of (10) ethoxylated bisphenol A diacrylate, 7 parts of polyethylene glycol (600) diacrylate, 24 parts of o-phenylphenoxyethyl acrylate, 16 parts of 2-phenoxyethyl acrylate, 42 parts of phenyl methacrylate, 2.5 parts of 1-hydroxycyclohexyl phenyl ketone, 1 part of (2, 4, 6-trimethylbenzoyl) diphenyl phosphine oxide and 5 parts of modified tetragonal zirconia nano powder.
Wherein, the modified tetragonal zirconia nano powder is obtained by the following method: uniformly stirring 2 parts by weight of nano tetragonal zirconia, 5 parts by weight of dopamine and 25 parts by weight of 25wt.% ethanol solution, adding 25wt.% ammonia water solution to adjust the pH value to 8.5, soaking for 12 hours at 70 ℃, adding 1mol/L dilute nitric acid to adjust the pH value to 7 for rinsing, and obtaining the modified tetragonal zirconia nano powder through centrifugal separation, water washing, ethanol washing and drying.
Example 2
The optical glue comprises, by mass, 4 parts of tripropylene glycol diacrylate, 2 parts of tetrahydro pyran acrylate, 7 parts of (10) ethoxylated bisphenol A diacrylate, 5 parts of polyethylene glycol (600) diacrylate, 20 parts of o-phenylphenoxyethyl acrylate, 20 parts of 2-phenoxyethyl acrylate, 40 parts of phenyl methacrylate, 2 parts of 1-hydroxycyclohexyl phenyl ketone, 0.5 part of (2, 4, 6-trimethylbenzoyl) diphenyl phosphine oxide and 2 parts of modified tetragonal zirconia nano powder.
Wherein, the modified tetragonal zirconia nano powder is obtained by the following method: 3.5 parts by weight of nano tetragonal zirconia, 8 parts by weight of dopamine and 25 parts by weight of 25wt.% ethanol solution are uniformly stirred, 25wt.% ammonia water solution is added to adjust the pH value to 8.5, the mixture is soaked for 18 hours at 65 ℃, 1mol/L dilute nitric acid is added to adjust the pH value to 7.5 for rinsing, and the modified tetragonal zirconia nano powder is obtained through centrifugal separation, water washing, ethanol washing and drying.
Example 3
The optical glue comprises, by mass, 5 parts of tripropylene glycol diacrylate, 1 part of tetrahydro pyran acrylate, 4 parts of (10) ethoxylated bisphenol A diacrylate, 3 parts of polyethylene glycol (600) diacrylate, 25 parts of o-phenylphenoxyethyl acrylate, 15 parts of 2-phenoxyethyl acrylate, 45 parts of phenyl methacrylate, 1 part of 1-hydroxycyclohexyl phenyl ketone, 1.5 parts of (2, 4, 6-trimethylbenzoyl) diphenyl phosphine oxide and 8 parts of modified tetragonal zirconia nano powder.
Wherein, the modified tetragonal zirconia nano powder is obtained by the following method: uniformly stirring 5 parts by weight of nano tetragonal zirconia, 10 parts by weight of dopamine and 30 parts by weight of 25wt.% ethanol solution, adding 25wt.% ammonia water solution to adjust the pH value to 8.5, soaking for 24 hours at 60 ℃, adding 1mol/L dilute nitric acid to adjust the pH value to 7 for rinsing, and obtaining the modified tetragonal zirconia nano powder through centrifugal separation, water washing, ethanol washing and drying.
Comparative example 1
The optical glue comprises, by mass, 2 parts of tripropylene glycol diacrylate, 1 part of tetrahydro pyran acrylate, 5 parts of (10) ethoxylated bisphenol A diacrylate, 7 parts of polyethylene glycol (600) diacrylate, 24 parts of o-phenylphenoxyethyl acrylate, 16 parts of 2-phenoxyethyl acrylate, 42 parts of phenyl methacrylate, 2.5 parts of 1-hydroxycyclohexyl phenyl ketone and 1 part of (2, 4, 6-trimethylbenzoyl) diphenyl phosphine oxide.
The optical glue of examples 1-3 and comparative example 1 was used in the preparation of brightness enhancement films in liquid crystal backlight modules.
Optical penetration haze (Honghai precision electron HH-100) was used to test the light transmittance analysis and the optical refractive index (Abbe refractometer) was used to test the optical properties, and the test results are shown in Table 1 below:
TABLE 1
Dopamine has good solubility in acrylic ester, and nano tetragonal zirconia is modified by the dopamine, so that the dopamine also becomes a surfactant between the nano tetragonal zirconia and the nano tetragonal zirconia is indirectly dispersed in the acrylic ester.
The modified tetragonal zirconia nano powder has good refractive index performance, no precipitation is generated when the modified tetragonal zirconia nano powder is dissolved in an acrylic ester system, the refractive index of the original acrylic ester is improved, the light condensation degree of a prism on a light enhancement film is improved, and the brightness loss is reduced.
Those skilled in the art can also make appropriate changes and modifications to the above-described embodiments in light of the above disclosure. Therefore, the invention is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the invention should be also included in the scope of the claims of the invention. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present invention in any way.
Claims (3)
1. An optical glue, characterized in that: the optical glue comprises, by mass, 2-5 parts of tripropylene glycol diacrylate, 1-2 parts of tetrahydro pyran acrylate, 4-7 parts of (10) ethoxylated bisphenol A diacrylate, 3-7 parts of polyethylene glycol (600) diacrylate, 20-25 parts of o-phenylphenoxyethyl acrylate, 15-20 parts of 2-phenoxyethyl acrylate, 40-45 parts of phenyl methacrylate, 1-2.5 parts of 1-hydroxycyclohexyl phenyl ketone, 0.5-1.5 parts of (2, 4, 6-trimethylbenzoyl) diphenyl phosphine oxide and 2-8 parts of modified tetragonal zirconia nano powder;
the modified tetragonal zirconia nano powder is obtained by the following method: uniformly stirring 2-5 parts by weight of nano tetragonal zirconia, 5-10 parts by weight of dopamine and 25-30 parts by weight of 25wt.% ethanol solution, adding 25wt.% ammonia water solution to adjust the pH value to 8.5, soaking for 12-24 hours at 60-70 ℃, adding 1mol/L dilute nitric acid to adjust the pH value to 7-7.5, rinsing, and carrying out centrifugal separation, water washing, ethanol washing and drying to obtain the modified tetragonal zirconia nano powder.
2. The optical glue of claim 1, wherein: the optical glue comprises, by mass, 2 parts of tripropylene glycol diacrylate, 1 part of tetrahydro pyran acrylate, 5 parts of (10) ethoxylated bisphenol A diacrylate, 7 parts of polyethylene glycol (600) diacrylate, 24 parts of o-phenylphenoxyethyl acrylate, 16 parts of 2-phenoxyethyl acrylate, 42 parts of phenyl methacrylate, 2.5 parts of 1-hydroxycyclohexyl phenyl ketone, 1 part of (2, 4, 6-trimethylbenzoyl) diphenyl phosphine oxide and 5 parts of modified tetragonal zirconia nano powder.
3. Use of an optical glue according to claim 1 or 2, characterized in that: the optical glue is used for preparing the brightness enhancement film in the liquid crystal backlight module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111275650.3A CN113773779B (en) | 2021-10-29 | 2021-10-29 | Optical glue and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111275650.3A CN113773779B (en) | 2021-10-29 | 2021-10-29 | Optical glue and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113773779A CN113773779A (en) | 2021-12-10 |
| CN113773779B true CN113773779B (en) | 2023-08-04 |
Family
ID=78956692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111275650.3A Active CN113773779B (en) | 2021-10-29 | 2021-10-29 | Optical glue and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113773779B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101176019A (en) * | 2005-03-11 | 2008-05-07 | 3M创新有限公司 | Light management films with zirconia particles |
| CN109749017A (en) * | 2017-11-03 | 2019-05-14 | 宁波激智科技股份有限公司 | A kind of composition and a kind of brightness enhancement film |
-
2021
- 2021-10-29 CN CN202111275650.3A patent/CN113773779B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101176019A (en) * | 2005-03-11 | 2008-05-07 | 3M创新有限公司 | Light management films with zirconia particles |
| CN109749017A (en) * | 2017-11-03 | 2019-05-14 | 宁波激智科技股份有限公司 | A kind of composition and a kind of brightness enhancement film |
Non-Patent Citations (1)
| Title |
|---|
| 聚多巴胺修饰纳米SiO2颗粒;马冠香 等;《化工进展》;20210429;第40卷(第12期);第6729-6737页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113773779A (en) | 2021-12-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101277372B1 (en) | Cellulose ester film, light-scattering film, polarizing plate, and liquid crystal display element | |
| CN101356472B (en) | Liquid crystal panel and liquid crystal display | |
| JP5157897B2 (en) | Polarizing plate protective film, polarizing plate and liquid crystal display device | |
| WO2010119730A1 (en) | Optical element | |
| CN104035151B (en) | A kind of flexible optical diffusion barrier and preparation method thereof | |
| CN104312390B (en) | High refractive index brightness enhancement coating composition | |
| JP5228918B2 (en) | Polarizing plate and liquid crystal display device | |
| KR20100038299A (en) | Polarizing plate and liquid crystal display | |
| KR101454046B1 (en) | Cellulose ester film and method for producing the same | |
| CN110095896A (en) | A kind of preparation method of the light modulation film based on Liquid Crystal/Polymer composite material | |
| CN101630032B (en) | Reflective polarizer sheet | |
| CN112745786A (en) | Optical adhesive with high refractive index and preparation method thereof | |
| US20160070053A1 (en) | Organic-inorganic hybrid composition, optical member and optical device prepared using the same | |
| CN113429719A (en) | High-refractive-index nano-zirconia composite resin and preparation method thereof | |
| JPWO2012056717A1 (en) | Liquid crystal display | |
| CN113773779B (en) | Optical glue and application thereof | |
| CN111944077B (en) | High-refractive-index photosensitive resin and preparation method thereof | |
| WO2019216552A1 (en) | Anti-glare film and display apparatus | |
| CN104610793A (en) | Coating composition for brightness enhancement film with high refraction rate | |
| CN114524996B (en) | Quantum dot diffusion plate with high brightness shielding and low deformation, and preparation method and application thereof | |
| TWI448781B (en) | Liquid crystal display device | |
| JP2008239741A (en) | Acrylic resin film and method for producing the same | |
| CN114015389A (en) | Composite optical membrane and preparation method thereof | |
| CN101211057A (en) | LCD device | |
| JP5374921B2 (en) | Transparent fine particle dispersion, fine particle-containing transparent resin composition, fine particle-containing transparent resin, and optical member |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |