CN108047965A - A kind of preparation method of optical cement, optics of liquids adhesive and Curved screen optical adhesive tape - Google Patents
A kind of preparation method of optical cement, optics of liquids adhesive and Curved screen optical adhesive tape Download PDFInfo
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- CN108047965A CN108047965A CN201711432246.6A CN201711432246A CN108047965A CN 108047965 A CN108047965 A CN 108047965A CN 201711432246 A CN201711432246 A CN 201711432246A CN 108047965 A CN108047965 A CN 108047965A
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- acrylic acid
- optical cement
- acid derivative
- monomer
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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
- C09J4/00—Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16
- C09J4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09J159/00 - C09J187/00
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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
- 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
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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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/302—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being pressure-sensitive, i.e. tacky at temperatures inferior to 30°C
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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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/40—Additional features of adhesives in the form of films or foils characterized by the presence of essential components
- C09J2301/414—Additional features of adhesives in the form of films or foils characterized by the presence of essential components presence of a copolymer
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2433/00—Presence of (meth)acrylic polymer
Abstract
The invention discloses the preparation methods of a kind of optical cement, optics of liquids adhesive and Curved screen optical adhesive tape, are related to optics display field.The raw material of the optical cement includes acrylic acid derivative polymer, acrylic acid derivative monomer and photoinitiator；Wherein, the molecular weight of acrylic acid derivative polymer is 20w 80w, and acrylic acid derivative monomer includes isobornyl methacrylate.The adhesive has very high adhesion, and also has very high adhesion at high temperature, can inhibit the generation of bubble between adhesive and Curved screen under the high temperature conditions, meet higher reliability requirement.The present invention also provides a kind of preparation methods of the preparation method of the preparation method and Curved screen optical adhesive tape of optics of liquids adhesive, and preparation method is simple and easy to do, and obtained product is suitble to Curved screen to use, strong to the high temperature reliability of Curved screen.
Description
Technical field
The present invention relates to optics display field, and more particularly to a kind of optical cement, optics of liquids adhesive and Curved screen light
Learn the preparation method of adhesive tape.
Background technology
OCA (Optically Clear Adhesive) is glued for the special type of cementing transparent optical element (such as camera lens)
Jelly.Traditional OCA optical adhesive tapes possess water white transparency, light transmittance more than 90%, cementing strength is good, cure shrinkage is small, no
The advantages that generating xanthochromia, it is especially also non-corrosive to ito glass and optical element.
But with the appearance of curved touch screen in recent years, traditional OCA can not meet the fitting requirement of curved touch screen.
The content of the invention
It is an object of the invention to provide a kind of optical cements, it is intended to fitting effect of the adhesive to curved touch screen is promoted,
And improve adhesive property.
Another object of the present invention is to provide a kind of preparation method of optics of liquids adhesive, method is simple,
Suitable for industrial applications.
The third object of the present invention is to provide a kind of preparation method of Curved screen optical adhesive tape, similary simple and easy to do,
Obtained adhesive tape disclosure satisfy that the fitting requirement of Curved screen.
The present invention is solved its technical problem and is realized using following technical scheme.
The present invention proposes a kind of optical cement, and the raw material of optical cement includes acrylic acid derivative polymer, acrylic acid derivative
Object monomer and photoinitiator；
Wherein, the molecular weight of acrylic acid derivative polymer is 20w-80w, and acrylic acid derivative monomer includes metering system
Sour isobornyl thiocyanoacetate.
The present invention also proposes a kind of preparation method of optics of liquids adhesive, comprises the following steps：
The raw material of above-mentioned optical cement is stirred into 2-6h under 30-50 DEG C of temperature conditionss.
A kind of preparation method of Curved screen optical adhesive tape, comprises the following steps：
The raw material of above-mentioned optical cement is stirred into 2-6h under 30-50 DEG C of temperature conditionss, then resolidification is molded.
The embodiment of the present invention provides a kind of advantageous effect of optical cement：It uses acrylic acid derivative polymer and propylene
Raw material based on acid derivative monomer, and the molecular weight requirement of acrylic acid derivative polymer be 20w-80w, acrylic acid derivative
Monomer includes isobornyl methacrylate, then a certain proportion of photoinitiator is coordinated to add in crosslinking agent if necessary, so as to get
Adhesive has very high adhesion, and also has very high adhesion at high temperature, can inhibit gluing under the high temperature conditions
The generation of bubble between agent and Curved screen, meets higher reliability requirement.The present invention also provides a kind of optics of liquids adhesives
Preparation method and Curved screen optical adhesive tape preparation method preparation method, preparation method is simple and easy to do, obtained production
Product are suitble to Curved screen to use, strong to the high temperature reliability of Curved screen.
Specific embodiment
It, below will be in the embodiment of the present invention to make the purpose, technical scheme and advantage of the embodiment of the present invention clearer
Technical solution be clearly and completely described.The person that is not specified actual conditions in embodiment, builds according to normal condition or manufacturer
The condition of view carries out.Reagents or instruments used without specified manufacturer is the conventional production that can be obtained by commercially available purchase
Product.
Below to the system of a kind of optical cement provided in an embodiment of the present invention and preparation method thereof and Curved screen optical adhesive tape
Preparation Method is specifically described.
A kind of optical cement provided in an embodiment of the present invention, includes the following steps：It counts in parts by weight, the raw material of optical cement
Including 30-90 parts of acrylic acid derivative polymer, 10-70 parts of acrylic acid derivative monomer, 0.05-5 parts of photoinitiator and crosslinking
0.01-3 parts of agent；Wherein, the molecular weight of acrylic acid derivative polymer is 20w-80w, and acrylic acid derivative monomer includes methyl
Isobornyl acrylate and functional monomer.
Preferably, optical cement includes 50-70 parts of acrylic acid derivative polymer, 30-50 parts of acrylic acid derivative monomer, light
0.05-0.3 parts of 0.5-2 parts of initiator and crosslinking agent；And the molecular weight of acrylic acid derivative polymer is 40w-60w.
It should be noted that derived in gluing agent prescription in the present invention using acrylic acid derivative polymer and acrylic acid
Object monomer is major ingredient, and wherein the molecular weight of acrylic acid derivative polymer is 20w-80w, and acrylic acid derivative monomer need to include
Isobornyl methacrylate, inventor have found using above-mentioned major ingredient and coordinate functional monomer, photoinitiator and crosslinking agent
The adhesive that can ensure is higher to the cohesive force of Curved screen, it is even more important that the glue in high temperature reliability test
Glutinous agent can still keep very high cohesive force.This may be because the acrylic acid of the higher molecular weight used in inventive formulation
Derivative polymer makes the adhesive finally obtained and water vapor rejection performance excellent, significantly inhibits optical cement under the high temperature conditions
With the generation of Curved screen interfacial bubbles, meet higher reliability requirement.Isobornyl methacrylate is also in the present invention
Important composition ingredient, inventor are had found based on isobornyl methacrylate and the larger acrylic acid derivative polymer of molecular weight
Material can promote the adhesive property of adhesive, this may be the methyl due to containing in isobornyl methacrylate molecular structure
Branch cure after molecular structure stabilized the reason for.
In addition, acrylic acid derivative polymer part, acrylic acid derivative monomer, photoinitiator and crosslinking agent in the present invention
Used in amounts control within the specific limits, with regard to good light-initiated effect can be reached when the addition of photoinitiator and crosslinking agent is less
Cross-linking effect between fruit and component；It is asked for the ratio control of acrylic acid derivative polymer and acrylic acid derivative monomer
Topic, inventor have found to ensure that the bond strength of adhesive can also promote adhesive in above-mentioned proportion
Comprehensive performance.
Specifically, functional monomer is selected from Isooctyl acrylate monomer, 2- hydroxyethylmethacry,ates, 4- hydroxybutyl acrylic acid
The just pungent nonyl fat of ester, isobutyl acrylate, acrylic acid, isodecyl acrylate, isodecyl acrylate, different 18 fat of acrylic acid, third
Olefin(e) acid isobornyl thiocyanoacetate, cyclohexylacrylic ester, acrylic acid -2- phenoxyethyl acrylates, 2- acrylic acid tetrahydrofuran ester, acryloyl
One or more in quinoline and ethoxyethoxyethyl acrylate.Preferably, functional monomer is selected from 2- hydroxyethyls third
Olefin(e) acid ester, 4- hydroxybutyl acrylates, different 18 fat of acrylic acid, the one or more in Isooctyl acrylate monomer.
It should be noted that acrylic acid derivative monomer primarily serves both sides effect, being on the one hand can be to molecule
It measures larger polymer and plays diluting effect, to ensure to finally obtain the molding effect and adhesion strength of product；On the other hand make
Enhance the comprehensive performance of adhesive.Therefore, the addition of functional monomer is played important for the final comprehensive performance of promotion product
Effect, such as high temperature resistant, inoxidizability.Inventor has found, on the premise of adhesive major ingredient determines, using 2- hydroxyethyls third
Olefin(e) acid ester, 4- hydroxybutyl acrylates, different 18 fat of acrylic acid, Isooctyl acrylate monomer can be carried further for functional monomer
Rise the comprehensive performance of adhesive.
Further, photoinitiator is selected from benzil double methyl ether, Dialkoxy acetophenones, methyl benzoylformate, 1- hydroxyls
Butylcyclohexyl phenyl ketone, 2- hydroxy-2-methyl -1- phenyl -1- acetone, 2- methyl-1s-(4- methyl mercaptos phenyl) -2- morpholines -
1- acetone, 2- phenyl benzyl -2- dimethyl amines -1- (4- morpholine benzyls phenyl) butanone, 2,4,6- trimethylbenzoyl phenyls phosphine, 2,
4,6- trimethyl benzoyl diphenyl bases phosphine oxide, 2,4,6- trimethylbenzoyl phenyls phosphinic acid ethyl ester, benzophenone, 4,
One or more in 4'- double (lignocaine) Benzophenone, 2- isopropyl thioxanthones and 4- dimethylamino-ethyl benzoates.
Preferably, photoinitiator is selected from 1- hydroxycyclohexyl phenyl ketones or 2,4,6-trimethylbenzoyldiphenylphosphine oxide.
As in some embodiments, photoinitiator can be 2- hydroxy-2-methyl -1- phenyl -1- acetone, 2- methyl-1s -
(4- methyl mercaptos phenyl) -2- morpholine -1- acetone and 2- phenyl benzyl -2- dimethyl amines -1- (4- morpholine benzyls phenyl) butanone.In addition
Embodiment in, photoinitiator or 2- isopropyl thioxanthones and 4- dimethylamino-ethyl benzoate.
Specifically, photoinitiator is also known as light curing agent, can by absorbing the energy of certain wavelength to generate free radicals,
Cation etc., and then trigger monomer polymerization crosslinking curing.Therefore, the addition of photoinitiator can grasp the forming process of optical cement
Make more convenient, the molding mode of ultraviolet light may be employed.
Further, crosslinking agent is selected from acrylic acid dicyclopentadienyl ester, 1,4-butanediol diacrylate, 1,6- hexylene glycols
Diacrylate, 1,9- nonanediols diacrylate, tripropylene glycol diacrylate, Tricyclodecane Dimethanol diacrylate,
It is 1,10- decanediols diacrylate, polyethylene glycol 200 dimethylacrylate, polyethylene glycol 400 dimethylacrylate, poly-
Ethylene glycol acrylate, trimethylolpropane trimethacrylate, double trimethylolpropane tetraacrylate, ethoxylation Ji Wusi
One or more in alcohol tetraacrylate, pentaerythrite tetrapropylene acid and double pentaerythritol methacrylate；Preferably, it is crosslinked
Agent is tri (propylene glycol) diacrylate.
In some embodiments, crosslinking agent can be 1,6- hexanediyl esters, 1,9- nonanediol diacrylates
And tripropylene glycol diacrylate.In a further embodiment, crosslinking agent or double trimethylolpropane tetraacrylate,
Ethoxylation pentaerythritol tetraacrylate and pentaerythrite tetrapropylene acid.
It should be noted that crosslinking agent further includes more than component but the ingredient containing methyl substituents, such as 1,4-butanediol
(methyl) diacrylate, 1,6-HD (methyl) diacrylate etc..
Specifically, the addition of crosslinking agent can improve the heat resistance and intensity of optical cement, can line style molecule it
Between generate chemical bond, be connected with each other linear molecule, formed net structure, be improving optical colloidality can an important ring.
Inventor has found, it is preferable that crosslinking agent is selected from tri (propylene glycol) diacrylate, can be more in inventive formulation
Ground improves the intensity and heat resistance of optical cement, to ensure the reliability of optical cement at high temperature.
It is pointed out that some auxiliary agents can also be added in as needed in some embodiments, such as light stabilizer, antioxygen
Agent, coupling agent and antifoaming agent etc. do not do excessively repeat herein.
In addition, the acrylic acid derivative polymer referred in the present invention, acrylic acid derivative monomer, photoinitiator and crosslinking
Agent is commodity purchased in market, and especially acrylic acid derivative polymer requirement molecular weight controls within the specific limits.
The embodiment of the present invention additionally provides a kind of preparation method of optics of liquids adhesive, comprises the following steps：It will be above-mentioned
The raw material of optical cement stirs 2-6h under 30-50 DEG C of temperature conditionss.It is 20-600r/min that rotating speed can be controlled in whipping process
Between, mixing time makes choice according to stir speed (S.S.) and amount of agitation, and stirring vacuumizes after completing, and is stood i.e. after exhausting vacuum
Obtain uncured adhesive product.
Equally in other embodiments, can also optical cement formula provided by the invention be mixed solidify afterwards to be molded to obtain light
Learn adhesive tape.Specifically, the embodiment of the present invention additionally provides a kind of preparation method of Curved screen optical adhesive tape, comprises the following steps：
The raw material of above-mentioned optical cement is stirred into 2-6h under 30-50 DEG C of temperature conditionss, then resolidification is molded.
Specifically, temperature is controlled within the specific limits in mixed process, on the one hand can promotes the uniformity of mixing
And mixing rate, on the one hand also to prevent the excessively high performance to adhesive of temperature from impacting.
Specifically, be during curing molding using ultraviolet light irradiation by the way of, and ultraviolet wavelength be 200-
420nm.By optical cement component after mixing under conditions of ultraviolet light irradiation, photoinitiator absorbs the energy of certain wavelength
And generate free radicals, cation etc., and then trigger monomer polymerization crosslinking curing, obtain the optical adhesive tape of stable uniform.As purple
Outer line source can use low pressure mercury lamp, medium pressure mercury lamp, high-pressure sodium lamp, chemical lamp, black light lamp.In addition, do not have to irradiation energy
It is particularly limited to, is usually 500~3000mj/cm2Left and right.
The feature and performance of the present invention are described in further detail with reference to embodiments.
The formula of optical cement is as follows in embodiment 1-9, such as the optical cement provided in embodiment 1, counts in parts by weight,
Including 30 parts of acrylic acid derivative polymer, 25 parts of Isooctyl acrylate monomer (EHA), 25 parts of hy-droxybutyl (4HBA), methyl
20 parts of isobornyl acrylate (IBOMA), 0.05 part of photoinitiator (184 0.05 parts of 1- hydroxycyclohexyl phenyl ketones and 2,4,
0 part of 6- trimethyl benzoyl diphenyl base phosphine oxides TPO) 0.05 part and crosslinking agent (tri (propylene glycol) diacrylate
TPGDA) 0.01 part.
Below in embodiment 1-9 on the other information of optical cement formula and the preparation method of Curved screen optical adhesive tape
It is specifically introduced.
Embodiment 1
The present embodiment provides a kind of optical cement, wherein, the molecular weight of acrylic acid derivative polymer is about 20w.
The present embodiment also provides a kind of preparation method of Curved screen optical adhesive tape, comprises the following steps：
1 corresponding raw material of embodiment in form is added in stirred tank, is heated to 30 DEG C, in the item that rotating speed is 300r/min
6h is stirred under part and obtains homogeneous adhesive fluid；Then, using conventional method by after adhesive fluid coating, in wavelength
The lower curing molding of ultraviolet light irradiation of 320-420nm.
Embodiment 2
The present embodiment provides a kind of optical cement, wherein, the molecular weight of acrylic acid derivative polymer is about 80w.
The present embodiment also provides a kind of preparation method of Curved screen optical adhesive tape, comprises the following steps：
2 corresponding raw material of embodiment in form is added in stirred tank, is heated to 50 DEG C, in the item that rotating speed is 300r/min
2h is stirred under part and obtains homogeneous adhesive fluid；Then, it is in wavelength by after adhesive fluid coating using conventional method
The lower curing molding of ultraviolet light irradiation of 320-420nm.
Embodiment 3
The present embodiment provides a kind of optical cements, count in parts by weight, wherein, the molecular weight of acrylic acid derivative polymer is about
For 40w.
The present embodiment also provides a kind of preparation method of Curved screen optical adhesive tape, comprises the following steps：
3 corresponding raw material of embodiment in form is added in stirred tank, is heated to 40 DEG C, in the item that rotating speed is 300r/min
4h is stirred under part and obtains homogeneous adhesive fluid；Then, it is in wavelength by after adhesive fluid coating using conventional method
The lower curing molding of ultraviolet light irradiation of 320-420nm.
Embodiment 4-9
In addition to the formula of optical cement in form, other are roughly the same with embodiment 3, refer to the content in embodiment 3.
Optical adhesive tape purchased in market.
It is pointed out that acrylic acid derivative monomer, photoinitiator and crosslinking agent may be employed in other embodiments
The other components referred in the present invention, more than simply the present invention in preferred embodiment.
Test example
The adhesion and ageing properties of optical adhesive tape in the optical adhesive tape and comparative example that will be prepared in embodiment 1-9 carry out
It measures.
Test method：(1) measure of adhesion uses national standard GB/T 2792-2014 180 ° of peel strengths of pressure-sensitive tape
Test method, specific operating procedure are：Test optical cement is cut into the test bars of 25mm wide, removes light release film, is pasted
On the glass plate cleaned to used solvent, then weight film torn, be bonded PET supporters, then roll 3 back and forth with Manual pressure roller
It is secondary.It is placed at room temperature for after 30min and carries out adhesion strength test with measurer for pulling force.Test condition：Peel angle：180 degree, pulling force speed
300mm/min。
(2) ageing properties test method is also using conventional test method, and test condition is 85 DEG C, 500h, judges mark
Standard is that have bubble-free generation.
The test result of adhesion and ageing properties to the optical adhesive tape in embodiment 1-9 and comparative example is shown in Table 1.
The performance test results of 1 optical adhesive tape of table summarize
As shown in Table 1, the optical adhesive tape that the formula of 1-9 of the embodiment of the present invention and preparation method obtain is in 25 DEG C and 85 DEG C of items
Adhesion under part generates under 85 DEG C of hot conditions in bubble-free apparently higher than in comparative example, and height is explained from side
The reason for warm adhesion is strong.
In conclusion a kind of optical cement provided by the invention, uses acrylic acid derivative polymer and acrylic acid to derive
Raw material based on object monomer, and the molecular weight requirement of acrylic acid derivative polymer be 20w-80w, acrylic acid derivative monomer bag
Include isobornyl methacrylate and functional monomer, then coordinate a certain proportion of photoinitiator and crosslinking agent, so as to get glue
Glutinous agent has very high adhesion, and also has very high adhesion at high temperature, can inhibit adhesive under the high temperature conditions
The generation of bubble between Curved screen, meets higher reliability requirement.
The present invention also provides a kind of preparation method of optics of liquids adhesive and the preparation sides of Curved screen optical adhesive tape
The preparation method of method, preparation method is simple and easy to do, and obtained product is suitble to Curved screen to use, to the high temperature reliability of Curved screen
By force.
Embodiments described above is part of the embodiment of the present invention, instead of all the embodiments.The reality of the present invention
The detailed description for applying example is not intended to limit the scope of claimed invention, but is merely representative of the selected implementation of the present invention
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
Every other embodiment, belongs to the scope of protection of the invention.
Claims (10)
1. a kind of optical cement, which is characterized in that the raw material of the optical cement includes acrylic acid derivative polymer, acrylic acid derives
Object monomer and photoinitiator；
Wherein, the molecular weight of the acrylic acid derivative polymer is 20w-80w, and the acrylic acid derivative monomer includes methyl
Isobornyl acrylate.
2. optical cement according to claim 1, which is characterized in that count in parts by weight, the raw material of the optical cement includes
30-90 parts of acrylic acid derivative polymer, 10-70 parts of acrylic acid derivative monomer, 0.05-5 parts of photoinitiator and crosslinking agent
0.01-3 parts；
Preferably, the acrylic acid derivative polymer is 50-70 parts, the acrylic acid derivative monomer is 30-50 parts, described
Photoinitiator is 0.5-2 parts and the crosslinking agent is 0.05-0.3 parts, and the molecular weight of the acrylic acid derivative polymer is
40w-60w。
3. according to the optical cement described in claim 1 or 2, which is characterized in that the acrylic acid derivative monomer further includes work(
Energy property monomer, the functional monomer are selected from Isooctyl acrylate monomer, 2- hydroxyethylmethacry,ates, 4- hydroxybutyl acrylic acid
The just pungent nonyl fat of ester, isobutyl acrylate, acrylic acid, isodecyl acrylate, isodecyl acrylate, different 18 fat of acrylic acid, third
Olefin(e) acid isobornyl thiocyanoacetate, cyclohexylacrylic ester, acrylic acid -2- phenoxyethyl acrylates, 2- acrylic acid tetrahydrofuran ester, acryloyl
One or more in quinoline and ethoxyethoxyethyl acrylate.
4. optical cement according to claim 3, which is characterized in that the functional monomer is selected from 2- hydroxyethylacrylates
Ester, 4- hydroxybutyl acrylates, different 18 fat of acrylic acid, the one or more in Isooctyl acrylate monomer.
5. optical cement according to claim 2, which is characterized in that the photoinitiator is selected from benzil double methyl ether, dioxanes
Oxygroup acetophenone, methyl benzoylformate, 1- hydroxycyclohexyl phenyl ketones, 2- hydroxy-2-methyl -1- phenyl -1- acetone, 2-
Methyl-1-(4- methyl mercaptos phenyl)-2- morpholine-1- acetone, 2- phenyl benzyl-2- dimethyl amines-1- (4- morpholine benzyls phenyl) butanone,
2,4,6- trimethylbenzoyl phenyls phosphine, 2,4,6- trimethyl benzoyl diphenyl bases phosphine oxide, 2,4,6- trimethylbenzene first
Double (lignocaine) Benzophenones of aminosulfonylphenyl phosphinic acid ethyl ester, benzophenone, 4,4'-, 2- isopropyl thioxanthones and 4- dimethylamine
One or more in base-ethyl benzoate.
6. optical cement according to claim 5, which is characterized in that the photoinitiator is selected from 1- hydroxycyclohexylphenyl first
Ketone or 2,4,6- trimethyl benzoyl diphenyl base phosphine oxides.
7. optical cement according to claim 2, which is characterized in that the crosslinking agent be selected from acrylic acid dicyclopentadienyl ester,
1,4 butanediol diacrylate, 1,6 hexanediol diacrylate, 1,9- nonanediols diacrylate, two propylene of tripropylene glycol
Acid esters, Tricyclodecane Dimethanol diacrylate, 1,10- decanediols diacrylate, polyethylene glycol 200 dimethacrylate
Ester, polyethylene glycol 400 dimethylacrylate, polyethylene glycol acrylate, trimethylolpropane trimethacrylate, double three hydroxyls first
Base tetraacrylate, ethoxylation pentaerythritol tetraacrylate, pentaerythrite tetrapropylene acid and bipentaerythrite 6 third
One or more in olefin(e) acid ester；
Preferably, the crosslinking agent is tri (propylene glycol) diacrylate.
8. a kind of preparation method of optics of liquids adhesive, which is characterized in that comprise the following steps：
The raw material of optical cement described in claim 1 is stirred into 2-6h under 30-50 DEG C of temperature conditionss.
9. a kind of preparation method of Curved screen optical adhesive tape, which is characterized in that comprise the following steps：
The raw material of optical cement described in claim 1 is stirred into 2-6h under 30-50 DEG C of temperature conditionss, then resolidification into
Type.
10. the preparation method of Curved screen optical adhesive tape according to claim 9, which is characterized in that in the curing molding
Be in the process using ultraviolet light irradiation by the way of, and the ultraviolet wavelength be 200-420nm.
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| CN201711432246.6A CN108047965A (en) | 2017-12-26 | 2017-12-26 | A kind of preparation method of optical cement, optics of liquids adhesive and Curved screen optical adhesive tape |
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| CN201711432246.6A CN108047965A (en) | 2017-12-26 | 2017-12-26 | A kind of preparation method of optical cement, optics of liquids adhesive and Curved screen optical adhesive tape |
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| CN112852304A (en) * | 2019-11-28 | 2021-05-28 | 湖南尚鑫新材料科技有限公司 | Optical cement and preparation method thereof |
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| CN114214006A (en) * | 2021-12-29 | 2022-03-22 | 苏州凡赛特材料科技有限公司 | High-filling-property OCA (optical clear adhesive) optical glue and OCA optical adhesive film |
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| US20220106501A1 (en) * | 2020-10-07 | 2022-04-07 | Nitto Denko Corporation | Pressure sensitive adhesive sheet, pressure sensitive adhesive-equipped optical film and image display device |
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| CN112852304A (en) * | 2019-11-28 | 2021-05-28 | 湖南尚鑫新材料科技有限公司 | Optical cement and preparation method thereof |
| CN111004587A (en) * | 2019-12-19 | 2020-04-14 | 苏州赛伍应用技术股份有限公司 | OCA optical adhesive tape and preparation method and application thereof |
| CN111131570A (en) * | 2019-12-30 | 2020-05-08 | Oppo广东移动通信有限公司 | Display module for folding screen and electronic equipment thereof |
| US20220106501A1 (en) * | 2020-10-07 | 2022-04-07 | Nitto Denko Corporation | Pressure sensitive adhesive sheet, pressure sensitive adhesive-equipped optical film and image display device |
| CN114015389A (en) * | 2021-11-11 | 2022-02-08 | 青岛卓英社科技股份有限公司 | Composite optical membrane and preparation method thereof |
| CN114220341A (en) * | 2021-12-22 | 2022-03-22 | 业成科技（成都）有限公司 | Curved surface display screen, laminating method and display device |
| CN114220341B (en) * | 2021-12-22 | 2023-11-07 | 业成科技（成都）有限公司 | Curved surface display screen, attaching method and display device |
| CN114214006A (en) * | 2021-12-29 | 2022-03-22 | 苏州凡赛特材料科技有限公司 | High-filling-property OCA (optical clear adhesive) optical glue and OCA optical adhesive film |
| CN114231217B (en) * | 2021-12-29 | 2023-03-10 | 苏州凡赛特材料科技有限公司 | Optically transparent adhesive composition and optically transparent adhesive film |
| CN114231217A (en) * | 2021-12-29 | 2022-03-25 | 苏州凡赛特材料科技有限公司 | Optical transparent adhesive composition and optical transparent adhesive film |
| CN115124928A (en) * | 2022-07-18 | 2022-09-30 | 浙江日久新材料科技有限公司 | OCA optical glue for curved surface screen, adhesive film and preparation method thereof |
| CN115124929A (en) * | 2022-08-30 | 2022-09-30 | 武汉天马微电子有限公司 | Optical transparent adhesive and manufacturing method thereof |
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