CN106978094A - Optical cement, optical adhesive film and preparation method - Google Patents
Optical cement, optical adhesive film and preparation method Download PDFInfo
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- CN106978094A CN106978094A CN201710286496.7A CN201710286496A CN106978094A CN 106978094 A CN106978094 A CN 106978094A CN 201710286496 A CN201710286496 A CN 201710286496A CN 106978094 A CN106978094 A CN 106978094A
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- optical cement
- optical
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- matrix
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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
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
- C09J2203/326—Applications of adhesives in processes or use of adhesives in the form of films or foils for bonding electronic components such as wafers, chips or semiconductors
-
- 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
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The present invention provides a kind of optical cement, include acrylate monomer, light trigger, tackifying resin and liquid rubber, the optical cement also includes acrylic acid modified resin, and the acrylic acid modified resin is at least one of acrylic acid modified polybutadiene, acrylic modified polybutadiene, acrylic acid modified polyisoprene resin and acrylic modified polyisoprene resin.The optical cement of the present invention has higher refraction coefficient and reliability.Present invention also offers a kind of optical adhesive film and preparation method thereof.
Description
Technical field
The present invention relates to photo-curing material technical field, more particularly to a kind of optical cement and the optical cement using the optical cement
Film and preparation method thereof.
Background technology
Optical transparent adhesive (OCA) is generally used in the electro optical elements such as Electronic Paper, touch-screen, panel, to improve not
With the adhesive property between interface.With the popularization of touch-screen, OCA demand increasingly increases.However, existing OCA products tool
There is the defect that refraction coefficient is low；Further, since existing OCA products high temperature resistant cryogenic property, UV Aging Resistance and high temperature resistant
High humidity poor-performing, causes its poor reliability.
The content of the invention
It is a primary object of the present invention to provide a kind of optical cement, it is intended to improve the refraction coefficient and reliability of optical cement.
To achieve the above object, the optical cement that the present invention is provided, includes acrylate monomer, light trigger, tackifying resin
And liquid rubber, the optical cement is also comprising acrylic acid modified resin, and the acrylic acid modified resin is acrylic acid modified poly- fourth
Diene resin, acrylic modified polybutadiene, acrylic acid modified polyisoprene resin and acrylic modified
At least one of polyisoprene resin.
Preferably, the liquid rubber is liquid polybutadiene or liquid polyisoprene.
Preferably, the tackifying resin is C5-C9 aliphatic hydrocarbon resins and/or C5-C9 aliphatic hydrocarbon modified resins.
Preferably, the acrylate monomer is hydroxyethyl methacrylate, hydroxy propyl methacrylate, 1,3-BDO
Dimethylacrylate, THFMA, acrylic acid tetrahydrofuran ester, isobornyl acrylate, metering system
At least one of sour isobornyl thiocyanoacetate, laurate acrylate and bay acid methacrylate.
Preferably, the light trigger is 1- hydroxy-cyclohexyl-phenyls ketone, benzoin dimethylether, 2- hydroxyl -2- first
Base -1- phenyl -1- acetone, benzophenone, 2,4,6- (trimethylbenzoyl) diphenyl phosphine oxides, methyl benzoylformate,
Double (2,4,6- trimethylbenzoyl) at least one of-phenyl phosphine oxides and isopropyl thioxanthone anthraquinone.
Preferably, the mass percentage content of the optical cement each component is as follows：The light trigger is 1~5%；It is described
Acrylate monomer is 5~15%；Tackifying resin is 20~50%；The total content of acrylic acid modified resin and liquid rubber is 29
~74%.
The present invention also proposes a kind of preparation method of optical adhesive film, comprises the following steps：
Described optical cement is provided；
The optical cement is coated on matrix；
Ultraviolet light processing is carried out to the optical cement for being coated on matrix, optical adhesive film is obtained, the optical adhesive film includes base
Body and the optical film for being formed at described matrix surface.
Preferably, after the optical cement is coated on matrix, ultraviolet light is carried out to the optical cement for being coated on matrix
Before processing, in addition to：The step of the optical cement sets another matrix away from the surface of described matrix.
The present invention also proposes a kind of optical adhesive film, is made up of the preparation method of the optical adhesive film.
Preferably, the optical adhesive film also includes being formed at another matrix that the optical film deviates from described matrix.
Compared with prior art, the present invention has the advantages that：The optical cement of technical solution of the present invention is added with third
Olefin(e) acid modified resin, acrylic acid modified resin carry acrylic acid/methacrylic acid active group, can light trigger initiation
And under ultraviolet light, occur Raolical polymerizable with acrylate monomer, form cross-linked network structure so that after solidification
Optical cement has higher mechanical strength, when the optical cement to be used to be bonded different substrate materials, due to its high mechanical strength, has
Excellent high temperature resistant cryogenic property, long-term UV Aging Resistance and high-temp resisting high-humidity resisting performance, in use, with for a long time may be used
By property.The acrylic acid modified resin be preferably acrylic acid modified polybutadiene, acrylic modified polybutadiene,
Acrylic acid modified polyisoprene resin or acrylic modified polyisoprene resin, have preferable boundary with liquid rubber
Face compatibility so that the optical cement has higher refraction coefficient, reaches 1.49~1.51, meets the use need of different product
Ask.
Embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, this area is general
The every other embodiment that logical technical staff is obtained under the premise of creative work is not made, belongs to what the present invention was protected
Scope.
In addition, the technical scheme between each embodiment can be combined with each other, but must be with ordinary skill
Personnel can be implemented as basis, when the combination appearance of technical scheme is conflicting or can not realize it will be understood that this technical side
The combination of case is not present, also not within the protection domain of application claims.
The present invention provides a kind of optical cement, includes acrylate monomer, light trigger, tackifying resin and liquid rubber, institute
State optical cement and also include acrylic acid modified resin, the acrylic acid modified resin is acrylic acid modified polybutadiene, methyl
Acrylic acid modified polybutadiene, acrylic acid modified polyisoprene resin and acrylic modified polyisoprene resin
At least one of.
The optical cement of technical solution of the present invention is added with acrylic acid modified resin, with acrylic acid/metering system acid activity
Group, can occur Raolical polymerizable with acrylate monomer under the initiation of light trigger and ultraviolet light, be formed
Cross-linked network structure so that optical cement after solidification has higher mechanical strength, when being used to the optical cement be bonded different bases
During material, due to its high mechanical strength, thus it is high with excellent high temperature resistant cryogenic property, long-term UV Aging Resistance and high temperature resistant
Wet performance, in use, with long-term reliability.The acrylic acid modified resin is preferably acrylic acid modified polybutadiene tree
Fat, acrylic modified polybutadiene, acrylic acid modified polyisoprene resin or acrylic modified poly- isoamyl
Diene resin, has preferable interface compatibility with liquid rubber so that the optical cement has higher refraction coefficient, reaches
1.49~1.51, meet the use demand of different product.
Further, the optical cement is added with tackifying resin, thus boundary moisture ability is good, can adapt to different substrate materials
Bonding.Liquid rubber is at ambient temperature liquid, as the matrix of optical cement, certain mobility is provided for optical cement, just
In flexibly control bondline thickness.The solid content of the optical cement of the present invention reaches 100%, does not contain any volatile solvent, will not
Pollution is produced, is a kind of environmentally friendly product.
The number-average molecular weight of the acrylic acid modified polyisoprene is 15000~35000.
Preferably, the acrylic acid modified resin is one kind in UC-102M, UC-203M of Kuraray company.
The acrylic acid that the UC-102 for the Kuraray company that technical solution of the present invention is used is 17000 for number-average molecular weight
Graft modification polyisoprene, UC-203 is the acrylic graft-modified polyisoprene that number-average molecular weight is 35000, and the two is equal
Ultraviolet light solidification can be carried out.The molecular weight of the UC-102, modest viscosity, are easy to debugging to be formulated；UC-203 molecular weight and viscosity
Higher, consumption is less, can reduce cost.
The liquid rubber is liquid polybutadiene or liquid polyisoprene.
Preferably, the liquid polybutadiene is one kind in LBR-305, LBR-307 of Kuraray company.
The polybutadiene liquid rubber that the LBR-305 that technical solution of the present invention is used is 26000 for number-average molecular weight；LBR-
307 be the polybutadiene liquid rubber that number-average molecular weight is 8000, and it has dilution capacity and excellent compatibility, can be used to adjust
System viscosity.Liquid rubber is at ambient temperature liquid, and as the matrix of optical cement, certain flowing is provided for optical cement
Property, it is easy to flexibly control bondline thickness.
The tackifying resin is C5-C9 aliphatic hydrocarbon resins and/or C5-C9 aliphatic hydrocarbon modified resins.
The tackifying resin of technical solution of the present invention is mainly used in the surface adhesion performance of improving optical glue and treats viscous base material
Moistened surface effect, and then improve optical cement adhesive property.The number-average molecular weight of the tackifying resin 300~1000 it
Between, it is chosen as the gluing agent series products of ESCOREZ of Exxon Mobil company.
The acrylate monomer is hydroxyethyl methacrylate, hydroxy propyl methacrylate, 1,3-BDO dimethyl
Acrylate, THFMA, acrylic acid tetrahydrofuran ester, isobornyl acrylate, the different ice of methacrylic acid
At least one of piece ester, laurate acrylate and bay acid methacrylate.
The initiation for the free radical that the acrylate monomer of technical solution of the present invention is produced in light trigger issues raw free radical
Polymerisation, formed cross-linked network structure so that the optical cement solidifies, and solid-state is converted into by liquid, different substrate materials it
Between enough bonding forces are provided.
The light trigger is 1- hydroxy-cyclohexyl-phenyls ketone, benzoin dimethylether, 2- hydroxy-2-methyl -1- benzene
Base -1- acetone, benzophenone, 2,4,6- (trimethylbenzoyl) diphenyl phosphine oxides, methyl benzoylformate, it is double (2,4,
6- trimethylbenzoyls) at least one of-phenyl phosphine oxide and isopropyl thioxanthone anthraquinone.
The light trigger of technical solution of the present invention is under illumination condition, and such as ultraviolet light produces the chemical group with free radical,
The specific components in optical cement are triggered to occur Raolical polymerizable so that the optical cement solidifies.Wherein, 1- hydroxyls-ring
Hexyl-phenyl ketone has good non-xanthochromia, even if the exposure for a long time of the coating after its solidification is in the sun, xanthochromia degree
Also it is very small, thus transparency is high after obtained optics adhesive curing；Benzoin dimethylether is a kind of new ultra-violet of function admirable
Sensitising agent, can produce the high methyl free radicals of activity, with dark with 0.5%~5% usage amount under ultraviolet light
The advantage of stable storing.
The weight/mass percentage composition of the optical cement each component is as follows：The light trigger is 1~5%；The acrylate
Monomer is 5~15%；Tackifying resin is 20~50%；The total content of acrylic acid modified resin and liquid rubber is 29~74%.
The optical cement also includes storage stabilizing agent, the storage stabilizing agent be in 1,4-benzoquinone and MEHQ extremely
Few one kind.
Alternatively, the mass fraction of the storage stabilizing agent is no more than 1%.
The storage stabilizing agent is chosen as the GENORAD series of products of RAHN companies of U.S. offer, is 1,4-benzoquinone and to hydroxyl
At least one of base methyl phenyl ethers anisole.
The storage stabilizing agent of technical solution of the present invention be used for absorb catch the optical cement during storage due to lucifuge not
The a little free radical produced completely, prevents that the optical cement from reacting and failing during storage, extends its storage life.
The preparation method of the optical cement, comprises the following steps：
Mixes liquid rubber, acrylic acid modified resin, tackifying resin, light trigger and acrylate monomer, are made the light
Learn glue.
In the preparation process of technical solution of the present invention optical cement, acrylic ester monomer is divided into two parts, labeled as first
Part acrylic ester monomer and second part of acrylic ester monomer：Light trigger and first part of acrylic ester monomer are existed first
Mixed at room temperature so that light trigger is dissolved completely in acrylate monomer, is made A mixed liquors；Again by acrylic acid/metering system
Acid modified resin, liquid rubber and the mixing of second part of acrylic ester monomer, and it is heated to 90 DEG C, tackifying resin is then added,
Stirring is well mixed different component, is then cooled to room temperature, adds storage stabilizing agent, and B mixed liquors are made；A is slowly added to B
In, stirring, then vacuumize process is carried out, after after the well mixed and no bubble of different component, obtained optical cement is encapsulated
Come.To make acrylic acid/acrylic modified resin and liquid rubber quickly be dissolved in acrylate monomer, thus need into
Row heats, and light trigger is under heating condition, it may occur that reacts and goes bad, so acrylate monomer is divided into two
Part, first part of acrylic ester monomer dissolves light trigger, obtains A, and second part of acrylic ester monomer dissolves acrylic acid/methyl
Acrylic acid modified resin, liquid rubber and tackifying resin, obtain B, are mixed after B is cooled down, then by it with A.
The present invention also proposes a kind of preparation method of the optical adhesive film, comprises the following steps：
Described optical cement is provided；
The optical cement is coated on matrix；
Ultraviolet light processing is carried out to the optical cement for being coated on matrix, optical adhesive film is obtained, the optical adhesive film includes base
Body and the optical film for being formed at described matrix surface.
Technical solution of the present invention is by obtained optical cement in 2000~4000MJ/cm2Under ultraviolet light, optical cement occurs
Solidification, obtains optical adhesive film, the optical adhesive film can be directly used for the bonding of different substrate materials, is solidified into without secondary UV (ultraviolet light)
Type, it is convenient to use.
After the optical cement is coated on matrix, ultraviolet light before processing is carried out to the optical cement for being coated on matrix,
Also include：The step of the optical cement sets another matrix away from the surface of described matrix.
Alternatively, described matrix is PET mould release membrances.
Optical cement is coated between two layers of PET mould release membrance by technical solution of the present invention, on the one hand convenient control optical adhesive film
Thickness, on the other hand, the double-deck mould release membrance forms effective protection to optical cement, prevents the moisture in absorption air, or by
The impurity such as dust pollute.
The present invention also proposes a kind of optical adhesive film.The optical adhesive film employs whole technical sides of above-mentioned all embodiments
Case, therefore all beneficial effects that at least technical scheme with above-described embodiment is brought, this is no longer going to repeat them.
The optical adhesive film also includes being formed at another matrix that the optical film deviates from described matrix.
Embodiment 1
Different component is matched in the embodiment 1 of table 1
The preparation method of optical adhesive film：
The first step：By 1- hydroxy-cyclohexyl-phenyls ketone and hydroxy propyl methacrylate quantitative shown in table 1, in room temperature
Under the conditions of mix 30 minutes, after all solids material is completely dissolved, be denoted as A mixed liquors；
Second step：By acrylic acid modified polyisoprene quantitative shown in table 1, liquid polybutadiene, isobomyl acrylate
Ester is mixed and heated to 90 degrees Celsius, adds tackifying resin, disperses stirring 60 minutes, is well mixed different component, then cold
But to room temperature, 1,4-benzoquinone is added, B mixed liquors are denoted as.
3rd step：A mixed liquors are slowly added in B mixed liquors, stirred 30 minutes, progress is vacuumized 45 minutes, treats difference
Component is well mixed and without after bubble, and the optical cement is made.
4th step：The optical cement is coated on matrix；The optical cement for being coated on matrix is carried out at ultraviolet light
Reason, obtains optical adhesive film.
Embodiment 2
Different component is matched in the embodiment 2 of table 2
The preparation method of optical adhesive film：
The first step：By 1- hydroxy-cyclohexyl-phenyls ketone quantitative shown in table 2,2,4,6 (trimethylbenzoyls) two
Phenyl phosphine oxide and hydroxy propyl methacrylate, are mixed 30 minutes at ambient temperature, after all solids material is completely dissolved,
It is denoted as A mixed liquors；
Second step：By acrylic acid modified polyisoprene quantitative shown in table 2, liquid polybutadiene, acrylic acid tetrahydrochysene furan
Ester of muttering is mixed and heated to 90 degrees Celsius, adds tackifying resin, disperses stirring 60 minutes, is well mixed different component, then
Room temperature is cooled to, MEHQ is added, is denoted as B mixed liquors.
3rd step：A mixed liquors are slowly added in B mixed liquors, stirred 30 minutes, progress is vacuumized 45 minutes, treats difference
Component is well mixed and without after bubble, and the optical cement is made.
4th step：The optical cement is coated on matrix；The optical cement for being coated on matrix is carried out at ultraviolet light
Reason, obtains optical adhesive film.
Embodiment 3
Different component is matched in the embodiment 3 of table 3
The preparation method of optical adhesive film：
The first step：By 1- hydroxy-cyclohexyl-phenyls ketone quantitative shown in table 3,2,4,6 (trimethylbenzoyls) two
Phenyl phosphine oxide and hydroxy propyl methacrylate, are mixed 30 minutes at ambient temperature, after all solids material is completely dissolved,
It is denoted as A mixed liquors；
Second step：By acrylic acid modified polyisoprene quantitative shown in table 3, liquid polybutadiene, laurate methyl-prop
Olefin(e) acid ester is mixed and heated to 90 degrees Celsius, adds tackifying resin, disperses stirring 60 minutes, is well mixed different component, and
After be cooled to room temperature, add MEHQ, be denoted as B mixed liquors.
3rd step：A mixed liquors are slowly added in B mixed liquors, stirred 30 minutes, progress is vacuumized 45 minutes, treats difference
Component is well mixed and without after bubble, and the optical cement is made.
4th step：The optical cement is coated on matrix；The optical cement for being coated on matrix is carried out at ultraviolet light
Reason, obtains optical adhesive film.
Embodiment 4
Different component is matched in the embodiment 4 of table 4
The preparation method of optical adhesive film：
The first step：By 1- hydroxy-cyclohexyl-phenyls ketone quantitative shown in table 4,2,4,6 (trimethylbenzoyls) two
Phenyl phosphine oxide and hydroxy propyl methacrylate, are mixed 30 minutes at ambient temperature, after all solids material is completely dissolved,
It is denoted as A mixed liquors；
Second step：By acrylic acid modified polyisoprene quantitative shown in table 4, liquid polybutadiene, laurate methyl-prop
Olefin(e) acid ester is mixed and heated to 90 degrees Celsius, adds tackifying resin, disperses stirring 60 minutes, is well mixed different component, and
After be cooled to room temperature, add MEHQ, be denoted as B mixed liquors.
3rd step：A mixed liquors are slowly added in B mixed liquors, stirred 30 minutes, progress is vacuumized 45 minutes, treats difference
Component is well mixed and without after bubble, and the optical cement is made.
4th step：The optical cement is coated on matrix；The optical cement for being coated on matrix is carried out at ultraviolet light
Reason, obtains optical adhesive film.
Optical adhesive film made from embodiment 1, embodiment 2, embodiment 3 and embodiment 4 is entered according to standard ASTM-5470D
Row detection, and shear strength test is carried out, measure result as shown in the table：
The optical adhesive film performance test results of table 5
The indices obtained by the inspection institute of table 5, can obtain following conclusions：
1. the optical adhesive film that the invention is provided has high refraction coefficient, high transmission rate.
2. the optical adhesive film that the invention is provided has good bonding intensity to different substrate materials.
3. the optical adhesive film that the invention is provided shows good adhesive property, especially example 4 and shows particularly outstanding；It is former
Because being to provide enough cohesive force after acrylic acid modified polyisoprene solidifies with liquid polybutadiene UV, and tackifying resin can
To provide the surface adhesion between more different substrate materials.
The preferred embodiments of the present invention are these are only, are not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in other related technology necks
Domain, is included within the scope of the present invention.
Claims (10)
1. a kind of optical cement, includes acrylate monomer, light trigger, tackifying resin and liquid rubber, it is characterised in that described
Optical cement also includes acrylic acid modified resin, and the acrylic acid modified resin is acrylic acid modified polybutadiene, methyl-prop
In olefin(e) acid modified polybutadiene resin, acrylic acid modified polyisoprene resin and acrylic modified polyisoprene resin
At least one.
2. optical cement as claimed in claim 1, it is characterised in that the liquid rubber is that liquid polybutadiene or liquid gather different
Pentadiene.
3. optical cement as claimed in claim 1, it is characterised in that the tackifying resin be C5-C9 aliphatic hydrocarbon resins and/or
C5-C9 aliphatic hydrocarbon modified resins.
4. optical cement as claimed in claim 1, it is characterised in that the acrylate monomer be hydroxyethyl methacrylate,
Hydroxy propyl methacrylate, 1,3-BDO dimethylacrylate, THFMA, acrylic acid tetrahydrofuran
In ester, isobornyl acrylate, isobornyl methacrylate, laurate acrylate and bay acid methacrylate extremely
Few one kind.
5. optical cement as claimed in claim 1, it is characterised in that the light trigger is 1- hydroxy-cyclohexyl-phenyl first
Ketone, benzoin dimethylether, 2- hydroxy-2-methyl -1- phenyl -1- acetone, benzophenone, 2,4,6- (trimethylbenzoyls) two
Phenyl phosphine oxide, methyl benzoylformate, double (2,4,6- trimethylbenzoyl)-phenyl phosphine oxides and isopropyl thioxanthone anthraquinone
At least one of.
6. the optical cement as described in claim any one of 1-5, it is characterised in that the mass percent of the optical cement each component
Content is as follows：The light trigger is 1~5%；The acrylate monomer is 5~15%；Tackifying resin is 20~50%；Third
The total content of olefin(e) acid modified resin and liquid rubber is 29~74%.
7. a kind of preparation method of optical adhesive film, it is characterised in that comprise the following steps：
Optical cement as described in claim any one of 1-6 is provided；
The optical cement is coated on matrix；
To be coated on matrix optical cement carry out ultraviolet light processing, obtain optical adhesive film, the optical adhesive film include matrix and
It is formed at the optical film on described matrix surface.
8. the preparation method of optical adhesive film as claimed in claim 7, it is characterised in that the optical cement is coated on matrix
Afterwards, ultraviolet light before processing is carried out to the optical cement for being coated on matrix, in addition to：In the optical cement away from described matrix
The step of surface sets another matrix.
9. a kind of optical adhesive film, it is characterised in that be made up of the preparation method of optical adhesive film described in claim 7.
10. optical adhesive film as claimed in claim 9, it is characterised in that the optical adhesive film also includes being formed at the optics
Film deviates from another matrix of described matrix.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107964143A (en) * | 2017-12-07 | 2018-04-27 | 单动力 | A kind of isoamyl/fluorine silicon/fluorine ether compounded rubber and preparation method thereof |
| CN108467699A (en) * | 2018-05-08 | 2018-08-31 | 苏州盛达胶粘制品有限公司 | A kind of Optical adhesive composition and preparation method thereof |
| CN109971370A (en) * | 2019-02-27 | 2019-07-05 | 惠州市德佑威新材料有限公司 | The preparation method of dual cure liquid optical cement and its preparation method of promotor |
| CN113861856A (en) * | 2021-10-13 | 2021-12-31 | 常州邦瑞新材料科技有限公司 | High-peeling-force laminating adhesive for optical film and preparation method thereof |
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| CN102925062A (en) * | 2011-08-12 | 2013-02-13 | 汉高股份有限公司 | Optically-transparent dual-curing adhesive |
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| CN113861856A (en) * | 2021-10-13 | 2021-12-31 | 常州邦瑞新材料科技有限公司 | High-peeling-force laminating adhesive for optical film and preparation method thereof |
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Application publication date: 20170725 |