CN105440995B - A kind of acrylic adhesive emulsion for OCA optical adhesive film and preparation method thereof - Google Patents
A kind of acrylic adhesive emulsion for OCA optical adhesive film and preparation method thereof Download PDFInfo
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- CN105440995B CN105440995B CN201510977986.2A CN201510977986A CN105440995B CN 105440995 B CN105440995 B CN 105440995B CN 201510977986 A CN201510977986 A CN 201510977986A CN 105440995 B CN105440995 B CN 105440995B
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- 239000000839 emulsion Substances 0.000 title claims abstract description 83
- 239000002313 adhesive film Substances 0.000 title claims abstract description 22
- 230000003287 optical effect Effects 0.000 title claims abstract description 22
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 239000003522 acrylic cement Substances 0.000 title description 62
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 77
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims abstract description 71
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 51
- QZPSOSOOLFHYRR-UHFFFAOYSA-N 3-hydroxypropyl prop-2-enoate Chemical compound OCCCOC(=O)C=C QZPSOSOOLFHYRR-UHFFFAOYSA-N 0.000 claims abstract description 37
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims abstract description 37
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims abstract description 37
- 238000004132 cross linking Methods 0.000 claims abstract description 32
- 239000002994 raw material Substances 0.000 claims abstract description 27
- 238000004026 adhesive bonding Methods 0.000 claims abstract 21
- 230000009477 glass transition Effects 0.000 claims description 32
- 238000003756 stirring Methods 0.000 claims description 9
- 238000004945 emulsification Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 6
- 238000002834 transmittance Methods 0.000 abstract description 4
- 238000007711 solidification Methods 0.000 abstract 1
- 230000008023 solidification Effects 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 25
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 21
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 18
- 239000005011 phenolic resin Substances 0.000 description 18
- 150000003505 terpenes Chemical class 0.000 description 18
- 235000007586 terpenes Nutrition 0.000 description 18
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 14
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 description 7
- BDAHDQGVJHDLHQ-UHFFFAOYSA-N [2-(1-hydroxycyclohexyl)phenyl]-phenylmethanone Chemical compound C=1C=CC=C(C(=O)C=2C=CC=CC=2)C=1C1(O)CCCCC1 BDAHDQGVJHDLHQ-UHFFFAOYSA-N 0.000 description 7
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 7
- 239000003963 antioxidant agent Substances 0.000 description 7
- 230000003078 antioxidant effect Effects 0.000 description 7
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical group CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 description 7
- 239000002904 solvent Substances 0.000 description 7
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000012788 optical film Substances 0.000 description 6
- 229920001568 phenolic resin Polymers 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 238000009776 industrial production Methods 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 239000005341 toughened glass Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- VFHVQBAGLAREND-UHFFFAOYSA-N diphenylphosphoryl-(2,4,6-trimethylphenyl)methanone Chemical compound CC1=CC(C)=CC(C)=C1C(=O)P(=O)(C=1C=CC=CC=1)C1=CC=CC=C1 VFHVQBAGLAREND-UHFFFAOYSA-N 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- 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
- C09J133/10—Homopolymers or copolymers of methacrylic acid esters
- C09J133/12—Homopolymers or copolymers of methyl methacrylate
-
- 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
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/04—Acids; Metal salts or ammonium salts thereof
- C08F220/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
-
- 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
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/14—Methyl esters, e.g. methyl (meth)acrylate
-
- 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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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Adhesive Tapes (AREA)
Abstract
Description
技术领域technical field
本发明涉及OCA光学胶膜技术领域，具体涉及一种用于OCA光学胶膜的丙烯酸胶黏剂乳液及其制备方法。The invention relates to the technical field of OCA optical adhesive films, in particular to an acrylic adhesive emulsion used for OCA optical adhesive films and a preparation method thereof.
背景技术Background technique
目前市场上提供的钢化玻璃保护膜表面硬度较高，具有优秀的抗刮能力，并且贴合容易且紧密，具有较高的坚韧程度，防震抗摔能力强。The tempered glass protective film currently available on the market has a high surface hardness, excellent scratch resistance, easy and tight fit, high toughness, and strong shock and drop resistance.
然而，目前钢化玻璃膜的厚度普遍较大，与手机、平板电脑或其他电子产品表面贴合后影响了使用手感和外观，导致其体验不佳，难以满足用户的需求。However, at present, the thickness of tempered glass film is generally large, and the touch and appearance are affected after being attached to the surface of mobile phones, tablet computers or other electronic products, resulting in poor experience and difficult to meet the needs of users.
发明内容Contents of the invention
为了克服现有技术中存在的缺点和不足，本发明的目的在于提供一种用于OCA光学胶膜的丙烯酸胶黏剂乳液，采用该丙烯酸胶黏剂乳液制得的OCA光学胶膜厚度薄，透光率高。In order to overcome the shortcomings and deficiencies in the prior art, the object of the invention is to provide a kind of acrylic adhesive emulsion for OCA optical adhesive film, adopt the OCA optical adhesive film thickness that this acrylic adhesive emulsion makes is thin, High light transmittance.
本发明的另一目的在于提供一种用于OCA光学胶膜的丙烯酸胶黏剂乳液的制备方法，该制备方法工艺简单，操作控制方便，质量稳定，生产效率高，生产成本低，适合大规模工业化生产。Another object of the present invention is to provide a kind of preparation method of the acrylic adhesive emulsion that is used for OCA optical adhesive film, and this preparation method process is simple, and operation control is convenient, and quality is stable, and production efficiency is high, and production cost is low, is suitable for large-scale Industrial production.
本发明的目的通过下述技术方案实现：一种用于OCA光学胶膜的丙烯酸胶黏剂乳液，所述丙烯酸胶黏剂乳液包括如下重量份的原料：The object of the present invention is achieved through the following technical solutions: a kind of acrylic adhesive emulsion for OCA optical adhesive film, described acrylic adhesive emulsion comprises the raw material of following weight portion:
丙烯酸丁酯 4-6份Butyl acrylate 4-6 parts
甲基丙烯酸甲酯 4-6份Methyl methacrylate 4-6 parts
丙烯酸 2-10份Acrylic acid 2-10 parts
丙烯酸羟丙酯 2-10份Hydroxypropyl Acrylate 2-10 parts
交联固化剂 3-8份。3-8 parts of cross-linking curing agent.
本发明的丙烯酸胶黏剂乳液通过采用上述原料，并严格控制各原料的重量配比，制得的丙烯酸胶黏剂乳液固化效果好，综合性能优异。The acrylic adhesive emulsion of the present invention adopts the above-mentioned raw materials and strictly controls the weight ratio of each raw material, so that the prepared acrylic adhesive emulsion has good curing effect and excellent comprehensive performance.
采用本发明的丙烯酸胶黏剂乳液制得的OCA光学胶膜厚度薄，透光率高。The OCA optical adhesive film prepared by adopting the acrylic adhesive emulsion of the present invention has thin thickness and high light transmittance.
优选的，所述丙烯酸胶黏剂乳液包括如下重量份的原料：Preferably, the acrylic adhesive emulsion includes the following raw materials in parts by weight:
丙烯酸丁酯 5份Butyl acrylate 5 parts
甲基丙烯酸甲酯 5份5 parts methyl methacrylate
丙烯酸 4-8份Acrylic acid 4-8 parts
丙烯酸羟丙酯 4-8份4-8 parts of hydroxypropyl acrylate
交联固化剂 5-7份。5-7 parts of cross-linking curing agent.
更为优选的，所述丙烯酸胶黏剂乳液包括如下重量份的原料：More preferably, the acrylic adhesive emulsion includes the following raw materials in parts by weight:
丙烯酸丁酯 5份Butyl acrylate 5 parts
甲基丙烯酸甲酯 5份5 parts methyl methacrylate
丙烯酸 6份Acrylic 6 parts
丙烯酸羟丙酯 6份6 parts of hydroxypropyl acrylate
交联固化剂 6份。6 parts of cross-linking curing agent.
优选的，所述丙烯酸丁酯为相对密度在0.89-0.91、玻璃化温度在-53~-57℃的丙烯酸丁酯。本发明通过采用相对密度在0.89-0.91、玻璃化温度在-53~-57℃的丙烯酸丁酯作为软弹体，其柔润性好，可以促进成膜。Preferably, the butyl acrylate is butyl acrylate with a relative density of 0.89-0.91 and a glass transition temperature of -53~-57°C. The present invention uses butyl acrylate with a relative density of 0.89-0.91 and a glass transition temperature of -53 to -57 DEG C as the soft elastic body, which has good softness and can promote film formation.
优选的，所述甲基丙烯酸甲酯为相对密度在0.93-0.95、玻璃化温度在103-107℃的甲基丙烯酸甲酯。本发明通过采用相对密度在0.93-0.95、玻璃化温度在103-107℃的甲基丙烯酸甲酯作为硬单体，其硬度好，耐水性好。Preferably, the methyl methacrylate is methyl methacrylate with a relative density of 0.93-0.95 and a glass transition temperature of 103-107°C. The invention adopts methyl methacrylate with a relative density of 0.93-0.95 and a glass transition temperature of 103-107 DEG C as a hard monomer, which has good hardness and good water resistance.
优选的，所述丙烯酸为相对密度在1.03-1.07、玻璃化温度在104-108℃的丙烯酸。本发明通过采用相对密度在1.03-1.07、玻璃化温度在104-108℃的丙烯酸作为表面活性单体，可以增强水溶性，提高附着力。Preferably, the acrylic acid is acrylic acid with a relative density of 1.03-1.07 and a glass transition temperature of 104-108°C. The invention adopts acrylic acid with a relative density of 1.03-1.07 and a glass transition temperature of 104-108 DEG C as the surface active monomer, which can enhance water solubility and improve adhesion.
优选的，所述丙烯酸羟丙酯为相对密度在1.05-1.07、玻璃化温度在24-28℃的丙烯酸羟丙酯。本发明通过采用相对密度在1.05-1.07、玻璃化温度在24-28℃的丙烯酸羟丙酯作为交联单体，可以引入官能团或交联点，提高附着力。Preferably, the hydroxypropyl acrylate is hydroxypropyl acrylate with a relative density of 1.05-1.07 and a glass transition temperature of 24-28°C. The present invention adopts hydroxypropyl acrylate with a relative density of 1.05-1.07 and a glass transition temperature of 24-28 DEG C as a cross-linking monomer, so that functional groups or cross-linking points can be introduced to improve adhesion.
优选的，所述交联固化剂为相对密度在1.02-1.06、折射率在1.43-1.47的甲基丙烯酸缩水甘油酯。本发明通过采用相对密度在1.02-1.06、折射率在1.43-1.47的甲基丙烯酸缩水甘油酯作为交联固化剂，固化速度快，固化效果好。Preferably, the cross-linking curing agent is glycidyl methacrylate with a relative density of 1.02-1.06 and a refractive index of 1.43-1.47. The present invention uses glycidyl methacrylate with a relative density of 1.02-1.06 and a refractive index of 1.43-1.47 as a cross-linking curing agent, so that the curing speed is fast and the curing effect is good.
所述丙烯酸胶黏剂乳液还包括萜烯酚树脂8-12份，所述萜烯酚树脂为相对密度在0.9-1.03、维卡软化点在80-148℃、黏度在1110-1150mPa•s、羟基值在244-248mgKOH/g的萜烯酚树脂。本发明通过采用萜烯酚树脂，并严格控制萜烯酚树脂的参数，制得的丙烯酸胶黏剂乳液具有软化点高、色泽浅、粘接力强、内聚力大、耐热性高、耐老化和无毒的特点。The acrylic adhesive emulsion also includes 8-12 parts of terpene phenol resin, the terpene phenol resin has a relative density of 0.9-1.03, a Vicat softening point of 80-148°C, a viscosity of 1110-1150mPa·s, Terpene phenolic resin with a hydroxyl value of 244-248mgKOH/g. In the present invention, by using terpene phenol resin and strictly controlling the parameters of terpene phenol resin, the prepared acrylic adhesive emulsion has high softening point, light color, strong adhesive force, large cohesive force, high heat resistance and aging resistance. and non-toxic features.
所述丙烯酸胶黏剂乳液还包括抗氧剂0.1-0.5份，所述抗氧剂是由抗氧剂1010和抗氧剂168以重量比1-2:1组成的混合物。本发明通过采用抗氧剂1010和抗氧剂168作为抗氧剂复配使用，并控制其重量比为1-2:1，制得的丙烯酸胶黏剂乳液抗氧化效果好。The acrylic adhesive emulsion also includes 0.1-0.5 parts of antioxidant, which is a mixture of antioxidant 1010 and antioxidant 168 in a weight ratio of 1-2:1. In the present invention, the antioxidant 1010 and the antioxidant 168 are compounded and used as antioxidants, and the weight ratio thereof is controlled to be 1-2:1, so that the prepared acrylic adhesive emulsion has good antioxidant effect.
所述丙烯酸胶黏剂乳液还包括光引发剂1-2份，所述光引发剂是由2-羟基-2-甲基-1-苯基丙酮、1-羟基环己基苯甲酮和2,4,6-三甲基苯甲酰基-二苯基氧化膦以重量比1.8-2.6:1:0.8-1.2组成的混合物。本发明通过采用2-羟基-2-甲基-1-苯基丙酮、1-羟基环己基苯甲酮和2,4,6-三甲基苯甲酰基-二苯基氧化膦作为光引发剂复配使用，并控制其重量比为1.8-2.6:1:0.8-1.2，制得的丙烯酸胶黏剂乳液固化效果好，固化速度快。The acrylic adhesive emulsion also includes 1-2 parts of a photoinitiator, which is composed of 2-hydroxyl-2-methyl-1-phenylacetone, 1-hydroxycyclohexylbenzophenone and 2, A mixture of 4,6-trimethylbenzoyl-diphenylphosphine oxide in a weight ratio of 1.8-2.6:1:0.8-1.2. The present invention uses 2-hydroxyl-2-methyl-1-phenylacetone, 1-hydroxycyclohexylbenzophenone and 2,4,6-trimethylbenzoyl-diphenylphosphine oxide as photoinitiators When compounded and used, and the weight ratio is controlled to be 1.8-2.6:1:0.8-1.2, the prepared acrylic adhesive emulsion has good curing effect and fast curing speed.
所述丙烯酸胶黏剂乳液还包括溶剂10-20份，所述溶剂是由甲苯、乙酸乙酯和异丙醇以体积比4-6:2-4:1组成的混合物。本发明通过采用苯、乙酸乙酯和异丙醇作为溶剂复配使用，并控制体积比为4-6:2-4:1，其溶解效果好，制得的丙烯酸胶黏剂乳液性能稳定。The acrylic adhesive emulsion also includes 10-20 parts of solvent, which is a mixture of toluene, ethyl acetate and isopropanol in a volume ratio of 4-6:2-4:1. In the present invention, benzene, ethyl acetate and isopropanol are used as solvents for compounding, and the volume ratio is controlled to be 4-6:2-4:1, the dissolution effect is good, and the prepared acrylic adhesive emulsion has stable performance.
本发明的另一目的通过下述技术方案实现：一种用于OCA光学胶膜的丙烯酸胶黏剂乳液的制备方法，包括如下步骤：Another object of the present invention is achieved through the following technical solutions: a method for preparing an acrylic adhesive emulsion for OCA optical film, comprising the steps of:
（1）将丙烯酸分为两部分，将丙烯酸丁酯、甲基丙烯酸甲酯、丙烯酸羟丙酯、以及一部分的丙烯酸混合，搅拌均匀，加热至80-90℃，预乳化8-12min，再加入交联固化剂；(1) Divide acrylic acid into two parts, mix butyl acrylate, methyl methacrylate, hydroxypropyl acrylate, and a part of acrylic acid, stir evenly, heat to 80-90°C, pre-emulsify for 8-12min, then add Cross-linking curing agent;
（2）反应15-25min后，滴加剩余的丙烯酸，在80-120min内滴加完毕，再聚合反应2-5h，降温至室温，制得丙烯酸胶黏剂乳液。(2) After reacting for 15-25 minutes, add the remaining acrylic acid dropwise, and complete the dropwise addition within 80-120 minutes, then polymerize for 2-5 hours, and cool down to room temperature to prepare an acrylic adhesive emulsion.
本发明将丙烯酸分为两部分，前部分和后部分的体积比为（0.1-0.3）：（0.9-0.7）。The present invention divides the acrylic acid into two parts, the volume ratio of the front part and the back part is (0.1-0.3): (0.9-0.7).
本发明的制备方法工艺简单，操作控制方便，质量稳定，生产效率高，生产成本低，适合大规模工业化生产。The preparation method of the invention has simple process, convenient operation and control, stable quality, high production efficiency and low production cost, and is suitable for large-scale industrial production.
更为优选的，包括如下步骤：More preferably, include the following steps:
（1）将丙烯酸分为两部分，将丙烯酸丁酯、甲基丙烯酸甲酯、丙烯酸羟丙酯、以及一部分的丙烯酸混合，搅拌均匀，加热至85℃，预乳化10min，再加入交联固化剂；(1) Divide acrylic acid into two parts, mix butyl acrylate, methyl methacrylate, hydroxypropyl acrylate, and a part of acrylic acid, stir evenly, heat to 85°C, pre-emulsify for 10 minutes, then add crosslinking curing agent ;
（2）反应20min后，滴加剩余的丙烯酸，在100min内滴加完毕，再聚合反应3.5h，降温至室温，制得丙烯酸胶黏剂乳液。(2) After reacting for 20 minutes, add the remaining acrylic acid dropwise, and complete the dropwise addition within 100 minutes, then polymerize for 3.5 hours, and cool down to room temperature to prepare an acrylic adhesive emulsion.
本发明的有益效果在于：本发明的丙烯酸胶黏剂乳液通过采用丙烯酸丁酯、甲基丙烯酸甲酯、丙烯酸、丙烯酸羟丙酯和交联固化剂，并严格控制各原料的重量配比，制得的丙烯酸胶黏剂乳液固化效果好，综合性能优异。The beneficial effect of the present invention is that: the acrylic adhesive emulsion of the present invention is prepared by using butyl acrylate, methyl methacrylate, acrylic acid, hydroxypropyl acrylate and cross-linking curing agent, and strictly controlling the weight ratio of each raw material. The obtained acrylic adhesive emulsion has good curing effect and excellent comprehensive performance.
采用本发明的丙烯酸胶黏剂乳液制得的OCA光学胶膜厚度薄，透光率高，与其他电子产品表面贴合后不会影响手感和外观好，用户体验佳。The OCA optical adhesive film prepared by using the acrylic adhesive emulsion of the present invention is thin in thickness and high in light transmittance, and will not affect the hand feeling and good appearance after bonding with the surface of other electronic products, and the user experience is good.
本发明的制备方法工艺简单，操作控制方便，质量稳定，生产效率高，生产成本低，适合大规模工业化生产。The preparation method of the invention has simple process, convenient operation and control, stable quality, high production efficiency and low production cost, and is suitable for large-scale industrial production.
具体实施方式detailed description
为了便于本领域技术人员的理解，下面结合实施例对本发明作进一步的说明，实施方式提及的内容并非对本发明的限定。In order to facilitate the understanding of those skilled in the art, the present invention will be further described below in conjunction with the examples, and the contents mentioned in the embodiments are not intended to limit the present invention.
实施例1Example 1
一种用于OCA光学胶膜的丙烯酸胶黏剂乳液，所述丙烯酸胶黏剂乳液包括如下重量份的原料：A kind of acrylic adhesive emulsion for OCA optical adhesive film, described acrylic adhesive emulsion comprises the raw material of following weight portion:
丙烯酸丁酯 4份4 parts butyl acrylate
甲基丙烯酸甲酯 4份4 parts methyl methacrylate
丙烯酸 2份Acrylic 2 parts
丙烯酸羟丙酯 2份2 parts hydroxypropyl acrylate
交联固化剂 3份。3 parts of cross-linking curing agent.
所述丙烯酸丁酯为相对密度在0.89、玻璃化温度在-53℃的丙烯酸丁酯。The butyl acrylate is butyl acrylate with a relative density of 0.89 and a glass transition temperature of -53°C.
所述甲基丙烯酸甲酯为相对密度在0.93、玻璃化温度在103℃的甲基丙烯酸甲酯。The methyl methacrylate is methyl methacrylate with a relative density of 0.93 and a glass transition temperature of 103°C.
所述丙烯酸为相对密度在1.03、玻璃化温度在104℃的丙烯酸。The acrylic acid is acrylic acid with a relative density of 1.03 and a glass transition temperature of 104°C.
所述丙烯酸羟丙酯为相对密度在1.05、玻璃化温度在24℃的丙烯酸羟丙酯。The hydroxypropyl acrylate is hydroxypropyl acrylate with a relative density of 1.05 and a glass transition temperature of 24°C.
所述交联固化剂为相对密度在1.02、折射率在1.43的甲基丙烯酸缩水甘油酯。The cross-linking curing agent is glycidyl methacrylate with a relative density of 1.02 and a refractive index of 1.43.
一种用于OCA光学胶膜的丙烯酸胶黏剂乳液的制备方法，包括如下步骤：A kind of preparation method of the acrylic adhesive emulsion that is used for OCA optical film, comprises the steps:
（1）将丙烯酸分为两部分，将丙烯酸丁酯、甲基丙烯酸甲酯、丙烯酸羟丙酯、以及一部分的丙烯酸混合，搅拌均匀，加热至80℃，预乳化12min，再加入交联固化剂；(1) Divide acrylic acid into two parts, mix butyl acrylate, methyl methacrylate, hydroxypropyl acrylate, and a part of acrylic acid, stir evenly, heat to 80°C, pre-emulsify for 12 minutes, then add crosslinking curing agent ;
（2）反应15min后，滴加剩余的丙烯酸，在80min内滴加完毕，再聚合反应2h，降温至室温，制得丙烯酸胶黏剂乳液。(2) After reacting for 15 minutes, add the remaining acrylic acid dropwise, and complete the dropwise addition within 80 minutes, then polymerize for 2 hours, and cool down to room temperature to prepare an acrylic adhesive emulsion.
实施例2Example 2
本实施例与上述实施例1的不同之处在于：The difference between this embodiment and the above-mentioned embodiment 1 is:
所述丙烯酸胶黏剂乳液包括如下重量份的原料：Described acrylic adhesive emulsion comprises the raw material of following weight portion:
丙烯酸丁酯 5份Butyl acrylate 5 parts
甲基丙烯酸甲酯 5份5 parts methyl methacrylate
丙烯酸 4份Acrylic 4 parts
丙烯酸羟丙酯 4份4 parts hydroxypropyl acrylate
交联固化剂 5份。5 parts of cross-linking curing agent.
所述丙烯酸丁酯为相对密度在0.90、玻璃化温度在-54℃的丙烯酸丁酯。The butyl acrylate is butyl acrylate with a relative density of 0.90 and a glass transition temperature of -54°C.
所述甲基丙烯酸甲酯为相对密度在0.94、玻璃化温度在104℃的甲基丙烯酸甲酯。The methyl methacrylate is methyl methacrylate with a relative density of 0.94 and a glass transition temperature of 104°C.
所述丙烯酸为相对密度在1.04、玻璃化温度在105℃的丙烯酸。The acrylic acid is acrylic acid with a relative density of 1.04 and a glass transition temperature of 105°C.
所述丙烯酸羟丙酯为相对密度在1.06、玻璃化温度在25℃的丙烯酸羟丙酯。The hydroxypropyl acrylate is hydroxypropyl acrylate with a relative density of 1.06 and a glass transition temperature of 25°C.
所述交联固化剂为相对密度在1.03、折射率在1.44的甲基丙烯酸缩水甘油酯。The cross-linking curing agent is glycidyl methacrylate with a relative density of 1.03 and a refractive index of 1.44.
一种用于OCA光学胶膜的丙烯酸胶黏剂乳液的制备方法，包括如下步骤：A kind of preparation method of the acrylic adhesive emulsion that is used for OCA optical film, comprises the steps:
（1）将丙烯酸分为两部分，将丙烯酸丁酯、甲基丙烯酸甲酯、丙烯酸羟丙酯、以及一部分的丙烯酸混合，搅拌均匀，加热至82℃，预乳化11min，再加入交联固化剂；(1) Divide acrylic acid into two parts, mix butyl acrylate, methyl methacrylate, hydroxypropyl acrylate, and a part of acrylic acid, stir evenly, heat to 82°C, pre-emulsify for 11 minutes, then add cross-linking curing agent ;
（2）反应18min后，滴加剩余的丙烯酸，在90min内滴加完毕，再聚合反应3h，降温至室温，制得丙烯酸胶黏剂乳液。(2) After reacting for 18 minutes, add the remaining acrylic acid dropwise, and complete the dropwise addition within 90 minutes, then polymerize for 3 hours, and cool down to room temperature to prepare an acrylic adhesive emulsion.
实施例3Example 3
本实施例与上述实施例1的不同之处在于：The difference between this embodiment and the above-mentioned embodiment 1 is:
所述丙烯酸胶黏剂乳液包括如下重量份的原料：Described acrylic adhesive emulsion comprises the raw material of following weight portion:
丙烯酸丁酯 5份Butyl acrylate 5 parts
甲基丙烯酸甲酯 5份5 parts methyl methacrylate
丙烯酸 6份Acrylic 6 parts
丙烯酸羟丙酯 6份6 parts of hydroxypropyl acrylate
交联固化剂 6份。6 parts of cross-linking curing agent.
所述丙烯酸丁酯为相对密度在0.90、玻璃化温度在-55℃的丙烯酸丁酯。The butyl acrylate is butyl acrylate with a relative density of 0.90 and a glass transition temperature of -55°C.
所述甲基丙烯酸甲酯为相对密度在0.94、玻璃化温度在105℃的甲基丙烯酸甲酯。The methyl methacrylate is methyl methacrylate with a relative density of 0.94 and a glass transition temperature of 105°C.
所述丙烯酸为相对密度在1.05、玻璃化温度在106℃的丙烯酸。The acrylic acid is acrylic acid with a relative density of 1.05 and a glass transition temperature of 106°C.
所述丙烯酸羟丙酯为相对密度在1.06、玻璃化温度在26℃的丙烯酸羟丙酯。The hydroxypropyl acrylate is hydroxypropyl acrylate with a relative density of 1.06 and a glass transition temperature of 26°C.
所述交联固化剂为相对密度在1.04、折射率在1.45的甲基丙烯酸缩水甘油酯。The cross-linking curing agent is glycidyl methacrylate with a relative density of 1.04 and a refractive index of 1.45.
一种用于OCA光学胶膜的丙烯酸胶黏剂乳液的制备方法，包括如下步骤：A kind of preparation method of the acrylic adhesive emulsion that is used for OCA optical film, comprises the steps:
（1）将丙烯酸分为两部分，将丙烯酸丁酯、甲基丙烯酸甲酯、丙烯酸羟丙酯、以及一部分的丙烯酸混合，搅拌均匀，加热至85℃，预乳化10min，再加入交联固化剂；(1) Divide acrylic acid into two parts, mix butyl acrylate, methyl methacrylate, hydroxypropyl acrylate, and a part of acrylic acid, stir evenly, heat to 85°C, pre-emulsify for 10 minutes, then add crosslinking curing agent ;
（2）反应20min后，滴加剩余的丙烯酸，在100min内滴加完毕，再聚合反应3.5h，降温至室温，制得丙烯酸胶黏剂乳液。(2) After reacting for 20 minutes, add the remaining acrylic acid dropwise, and complete the dropwise addition within 100 minutes, then polymerize for 3.5 hours, and cool down to room temperature to prepare an acrylic adhesive emulsion.
实施例4Example 4
本实施例与上述实施例1的不同之处在于：The difference between this embodiment and the above-mentioned embodiment 1 is:
所述丙烯酸胶黏剂乳液包括如下重量份的原料：Described acrylic adhesive emulsion comprises the raw material of following weight portion:
丙烯酸丁酯 5份Butyl acrylate 5 parts
甲基丙烯酸甲酯 5份5 parts methyl methacrylate
丙烯酸 8份Acrylic 8 parts
丙烯酸羟丙酯 8份8 parts of hydroxypropyl acrylate
交联固化剂 7份。7 parts of cross-linking curing agent.
所述丙烯酸丁酯为相对密度在0.90、玻璃化温度在-56℃的丙烯酸丁酯。The butyl acrylate is butyl acrylate with a relative density of 0.90 and a glass transition temperature of -56°C.
所述甲基丙烯酸甲酯为相对密度在0.94、玻璃化温度在106℃的甲基丙烯酸甲酯。The methyl methacrylate is methyl methacrylate with a relative density of 0.94 and a glass transition temperature of 106°C.
所述丙烯酸为相对密度在1.05、玻璃化温度在107℃的丙烯酸。The acrylic acid is acrylic acid with a relative density of 1.05 and a glass transition temperature of 107°C.
所述丙烯酸羟丙酯为相对密度在1.06、玻璃化温度在27℃的丙烯酸羟丙酯。The hydroxypropyl acrylate is hydroxypropyl acrylate with a relative density of 1.06 and a glass transition temperature of 27°C.
所述交联固化剂为相对密度在1.05、折射率在1.46的甲基丙烯酸缩水甘油酯。The cross-linking curing agent is glycidyl methacrylate with a relative density of 1.05 and a refractive index of 1.46.
一种用于OCA光学胶膜的丙烯酸胶黏剂乳液的制备方法，包括如下步骤：A kind of preparation method of the acrylic adhesive emulsion that is used for OCA optical film, comprises the steps:
（1）将丙烯酸分为两部分，将丙烯酸丁酯、甲基丙烯酸甲酯、丙烯酸羟丙酯、以及一部分的丙烯酸混合，搅拌均匀，加热至88℃，预乳化9min，再加入交联固化剂；(1) Divide acrylic acid into two parts, mix butyl acrylate, methyl methacrylate, hydroxypropyl acrylate, and a part of acrylic acid, stir evenly, heat to 88°C, pre-emulsify for 9 minutes, and then add cross-linking curing agent ;
（2）反应22min后，滴加剩余的丙烯酸，在110min内滴加完毕，再聚合反应4h，降温至室温，制得丙烯酸胶黏剂乳液。(2) After 22 minutes of reaction, add the remaining acrylic acid dropwise, and complete the dropwise addition within 110 minutes, then polymerize for 4 hours, and cool down to room temperature to prepare an acrylic adhesive emulsion.
实施例5Example 5
本实施例与上述实施例1的不同之处在于：The difference between this embodiment and the above-mentioned embodiment 1 is:
所述丙烯酸胶黏剂乳液包括如下重量份的原料：Described acrylic adhesive emulsion comprises the raw material of following weight portion:
丙烯酸丁酯 6份Butyl acrylate 6 parts
甲基丙烯酸甲酯 6份Methyl methacrylate 6 parts
丙烯酸 10份Acrylic 10 parts
丙烯酸羟丙酯 10份10 parts of hydroxypropyl acrylate
交联固化剂 8份。8 parts of cross-linking curing agent.
所述丙烯酸丁酯为相对密度在0.91、玻璃化温度在-57℃的丙烯酸丁酯。The butyl acrylate is butyl acrylate with a relative density of 0.91 and a glass transition temperature of -57°C.
所述甲基丙烯酸甲酯为相对密度在0.95、玻璃化温度在107℃的甲基丙烯酸甲酯。The methyl methacrylate is methyl methacrylate with a relative density of 0.95 and a glass transition temperature of 107°C.
所述丙烯酸为相对密度在1.07、玻璃化温度在108℃的丙烯酸。The acrylic acid is acrylic acid with a relative density of 1.07 and a glass transition temperature of 108°C.
所述丙烯酸羟丙酯为相对密度在1.07、玻璃化温度在28℃的丙烯酸羟丙酯。The hydroxypropyl acrylate is hydroxypropyl acrylate with a relative density of 1.07 and a glass transition temperature of 28°C.
所述交联固化剂为相对密度在1.06、折射率在1.47的甲基丙烯酸缩水甘油酯。The cross-linking curing agent is glycidyl methacrylate with a relative density of 1.06 and a refractive index of 1.47.
一种用于OCA光学胶膜的丙烯酸胶黏剂乳液的制备方法，包括如下步骤：A kind of preparation method of the acrylic adhesive emulsion that is used for OCA optical film, comprises the steps:
（1）将丙烯酸分为两部分，将丙烯酸丁酯、甲基丙烯酸甲酯、丙烯酸羟丙酯、以及一部分的丙烯酸混合，搅拌均匀，加热至90℃，预乳化8min，再加入交联固化剂；(1) Divide acrylic acid into two parts, mix butyl acrylate, methyl methacrylate, hydroxypropyl acrylate, and a part of acrylic acid, stir evenly, heat to 90°C, pre-emulsify for 8 minutes, and then add cross-linking curing agent ;
（2）反应25min后，滴加剩余的丙烯酸，在120min内滴加完毕，再聚合反应5h，降温至室温，制得丙烯酸胶黏剂乳液。(2) After reacting for 25 minutes, add the remaining acrylic acid dropwise, and complete the dropwise addition within 120 minutes, then polymerize for 5 hours, and cool down to room temperature to prepare an acrylic adhesive emulsion.
实施例6Example 6
本实施例与上述实施例1的不同之处在于：The difference between this embodiment and the above-mentioned embodiment 1 is:
所述丙烯酸胶黏剂乳液还包括萜烯酚树脂8份，所述萜烯酚树脂为相对密度在0.9、维卡软化点在80℃、黏度在1110mPa•s、羟基值在244mgKOH/g的萜烯酚树脂。The acrylic adhesive emulsion also includes 8 parts of terpene phenol resin, the terpene phenol resin is a terpene with a relative density of 0.9, a Vicat softening point of 80°C, a viscosity of 1110mPa·s, and a hydroxyl value of 244mgKOH/g phenolic resins.
所述丙烯酸胶黏剂乳液还包括抗氧剂0.1份，所述抗氧剂是由抗氧剂1010和抗氧剂168以重量比1:1组成的混合物。The acrylic adhesive emulsion also includes 0.1 part of antioxidant, which is a mixture of antioxidant 1010 and antioxidant 168 in a weight ratio of 1:1.
所述丙烯酸胶黏剂乳液还包括光引发剂1份，所述光引发剂是由2-羟基-2-甲基-1-苯基丙酮、1-羟基环己基苯甲酮和2,4,6-三甲基苯甲酰基-二苯基氧化膦以重量比1.8:1:0.8组成的混合物。The acrylic adhesive emulsion also includes 1 part of photoinitiator, which is composed of 2-hydroxyl-2-methyl-1-phenylacetone, 1-hydroxycyclohexylbenzophenone and 2,4, A mixture of 6-trimethylbenzoyl-diphenylphosphine oxide in a weight ratio of 1.8:1:0.8.
所述丙烯酸胶黏剂乳液还包括溶剂10份，所述溶剂是由甲苯、乙酸乙酯和异丙醇以体积比4:2:1组成的混合物。The acrylic adhesive emulsion also includes 10 parts of solvent, which is a mixture of toluene, ethyl acetate and isopropanol in a volume ratio of 4:2:1.
上述原料在制备时与步骤（1）中的其它原料一起加入混合。The above raw materials are added and mixed together with other raw materials in step (1) during preparation.
实施例7Example 7
本实施例与上述实施例2的不同之处在于：The difference between this embodiment and the above-mentioned embodiment 2 is:
所述丙烯酸胶黏剂乳液还包括萜烯酚树脂9份，所述萜烯酚树脂为相对密度在0.93、维卡软化点在100℃、黏度在1120mPa•s、羟基值在245mgKOH/g的萜烯酚树脂。The acrylic adhesive emulsion also includes 9 parts of terpene phenol resin, the terpene phenol resin is a terpene with a relative density of 0.93, a Vicat softening point of 100°C, a viscosity of 1120mPa·s, and a hydroxyl value of 245mgKOH/g phenolic resins.
所述丙烯酸胶黏剂乳液还包括抗氧剂0.2份，所述抗氧剂是由抗氧剂1010和抗氧剂168以重量比1.2:1组成的混合物。The acrylic adhesive emulsion also includes 0.2 parts of antioxidant, which is a mixture of antioxidant 1010 and antioxidant 168 in a weight ratio of 1.2:1.
所述丙烯酸胶黏剂乳液还包括光引发剂1.2份，所述光引发剂是由2-羟基-2-甲基-1-苯基丙酮、1-羟基环己基苯甲酮和2,4,6-三甲基苯甲酰基-二苯基氧化膦以重量比2:1:0.9组成的混合物。The acrylic adhesive emulsion also includes 1.2 parts of a photoinitiator, which is composed of 2-hydroxyl-2-methyl-1-phenylacetone, 1-hydroxycyclohexylbenzophenone and 2,4, A mixture of 6-trimethylbenzoyl-diphenylphosphine oxide in a weight ratio of 2:1:0.9.
所述丙烯酸胶黏剂乳液还包括溶剂12份，所述溶剂是由甲苯、乙酸乙酯和异丙醇以体积比4.5:2.5:1组成的混合物。The acrylic adhesive emulsion also includes 12 parts of solvent, which is a mixture of toluene, ethyl acetate and isopropanol in a volume ratio of 4.5:2.5:1.
上述原料在制备时与步骤（1）中的其它原料一起加入混合。The above raw materials are added and mixed together with other raw materials in step (1) during preparation.
实施例8Example 8
本实施例与上述实施例3的不同之处在于：The difference between this embodiment and the above-mentioned embodiment 3 is:
所述丙烯酸胶黏剂乳液还包括萜烯酚树脂9份，所述萜烯酚树脂为相对密度在0.96、维卡软化点在120℃、黏度在1130mPa•s、羟基值在246mgKOH/g的萜烯酚树脂。The acrylic adhesive emulsion also includes 9 parts of terpene phenol resin, which is a terpene with a relative density of 0.96, a Vicat softening point of 120°C, a viscosity of 1130mPa·s, and a hydroxyl value of 246mgKOH/g. phenolic resins.
所述丙烯酸胶黏剂乳液还包括抗氧剂0.3份，所述抗氧剂是由抗氧剂1010和抗氧剂168以重量比1.5:1组成的混合物。The acrylic adhesive emulsion also includes 0.3 parts of antioxidant, which is a mixture of antioxidant 1010 and antioxidant 168 in a weight ratio of 1.5:1.
所述丙烯酸胶黏剂乳液还包括光引发剂1.5份，所述光引发剂是由2-羟基-2-甲基-1-苯基丙酮、1-羟基环己基苯甲酮和2,4,6-三甲基苯甲酰基-二苯基氧化膦以重量比2.2:1:1组成的混合物。The acrylic adhesive emulsion also includes 1.5 parts of a photoinitiator, which is composed of 2-hydroxyl-2-methyl-1-phenylacetone, 1-hydroxycyclohexylbenzophenone and 2,4, A mixture of 6-trimethylbenzoyl-diphenylphosphine oxide in a weight ratio of 2.2:1:1.
所述丙烯酸胶黏剂乳液还包括溶剂15份，所述溶剂是由甲苯、乙酸乙酯和异丙醇以体积比5:3:1组成的混合物。The acrylic adhesive emulsion also includes 15 parts of solvent, which is a mixture of toluene, ethyl acetate and isopropanol in a volume ratio of 5:3:1.
上述原料在制备时与步骤（1）中的其它原料一起加入混合。The above raw materials are added and mixed together with other raw materials in step (1) during preparation.
实施例9Example 9
本实施例与上述实施例4的不同之处在于：The difference between this embodiment and the above-mentioned embodiment 4 is:
所述丙烯酸胶黏剂乳液还包括萜烯酚树脂11份，所述萜烯酚树脂为相对密度在1、维卡软化点在140℃、黏度在1140mPa•s、羟基值在247mgKOH/g的萜烯酚树脂。The acrylic adhesive emulsion also includes 11 parts of terpene phenol resin, which is a terpene with a relative density of 1, a Vicat softening point of 140°C, a viscosity of 1140mPa·s, and a hydroxyl value of 247mgKOH/g. phenolic resins.
所述丙烯酸胶黏剂乳液还包括抗氧剂0.4份，所述抗氧剂是由抗氧剂1010和抗氧剂168以重量比1.8:1组成的混合物。The acrylic adhesive emulsion also includes 0.4 parts of antioxidant, which is a mixture of antioxidant 1010 and antioxidant 168 in a weight ratio of 1.8:1.
所述丙烯酸胶黏剂乳液还包括光引发剂1.8份，所述光引发剂是由2-羟基-2-甲基-1-苯基丙酮、1-羟基环己基苯甲酮和2,4,6-三甲基苯甲酰基-二苯基氧化膦以重量比2.4:1:1.1组成的混合物。The acrylic adhesive emulsion also includes 1.8 parts of a photoinitiator, which is composed of 2-hydroxyl-2-methyl-1-phenylacetone, 1-hydroxycyclohexylbenzophenone and 2,4, A mixture of 6-trimethylbenzoyl-diphenylphosphine oxide in a weight ratio of 2.4:1:1.1.
所述丙烯酸胶黏剂乳液还包括溶剂18份，所述溶剂是由甲苯、乙酸乙酯和异丙醇以体积比5.5:3.5:1组成的混合物。The acrylic adhesive emulsion also includes 18 parts of solvent, which is a mixture of toluene, ethyl acetate and isopropanol in a volume ratio of 5.5:3.5:1.
上述原料在制备时与步骤（1）中的其它原料一起加入混合。The above raw materials are added and mixed together with other raw materials in step (1) during preparation.
实施例10Example 10
本实施例与上述实施例5的不同之处在于：The difference between this embodiment and the above-mentioned embodiment 5 is:
所述丙烯酸胶黏剂乳液还包括萜烯酚树脂12份，所述萜烯酚树脂为相对密度在1.03、维卡软化点在148℃、黏度在1150mPa•s、羟基值在248mgKOH/g的萜烯酚树脂。The acrylic adhesive emulsion also includes 12 parts of terpene phenol resin, the terpene phenol resin is a terpene with a relative density of 1.03, a Vicat softening point of 148°C, a viscosity of 1150mPa·s, and a hydroxyl value of 248mgKOH/g. phenolic resins.
所述丙烯酸胶黏剂乳液还包括抗氧剂0.5份，所述抗氧剂是由抗氧剂1010和抗氧剂168以重量比2:1组成的混合物。The acrylic adhesive emulsion also includes 0.5 parts of antioxidant, which is a mixture of antioxidant 1010 and antioxidant 168 in a weight ratio of 2:1.
所述丙烯酸胶黏剂乳液还包括光引发剂2份，所述光引发剂是由2-羟基-2-甲基-1-苯基丙酮、1-羟基环己基苯甲酮和2,4,6-三甲基苯甲酰基-二苯基氧化膦以重量比2.6:1:1.2组成的混合物。The acrylic adhesive emulsion also includes 2 parts of a photoinitiator, and the photoinitiator is composed of 2-hydroxyl-2-methyl-1-phenylacetone, 1-hydroxycyclohexylbenzophenone and 2,4, A mixture of 6-trimethylbenzoyl-diphenylphosphine oxide in a weight ratio of 2.6:1:1.2.
所述丙烯酸胶黏剂乳液还包括溶剂20份，所述溶剂是由甲苯、乙酸乙酯和异丙醇以体积比6:4:1组成的混合物。The acrylic adhesive emulsion also includes 20 parts of solvent, which is a mixture of toluene, ethyl acetate and isopropanol in a volume ratio of 6:4:1.
上述原料在制备时与步骤（1）中的其它原料一起加入混合。The above raw materials are added and mixed together with other raw materials in step (1) during preparation.
上述实施例为本发明较佳的实现方案，除此之外，本发明还可以其它方式实现，在不脱离本发明构思的前提下任何显而易见的替换均在本发明的保护范围之内。The above-mentioned embodiments are preferred implementation solutions of the present invention. In addition, the present invention can also be realized in other ways, and any obvious replacements are within the protection scope of the present invention without departing from the concept of the present invention.
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| WO2012039323A1 (en) * | 2010-09-21 | 2012-03-29 | 日東電工株式会社 | Adhesive layer for optical film, method for producing same, optical film with adhesive layer, and image display device |
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