CN105505275A - Liquid optically clear adhesive for full lamination - Google Patents
Liquid optically clear adhesive for full lamination Download PDFInfo
- Publication number
- CN105505275A CN105505275A CN201610071164.2A CN201610071164A CN105505275A CN 105505275 A CN105505275 A CN 105505275A CN 201610071164 A CN201610071164 A CN 201610071164A CN 105505275 A CN105505275 A CN 105505275A
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- optical cement
- liquid optical
- full laminating
- cement according
- laminating liquid
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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
- C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
- C09J163/10—Epoxy resins modified by unsaturated compounds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
-
- 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
- C09J151/00—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
- C09J151/04—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers grafted on to rubbers
-
- 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
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention provides a liquid optically clear adhesive for full lamination. The liquid optically clear adhesive comprises the following components in percentage by weight: 10-60% of modified liquid isoprene rubber prepolymer, 10-60% of modified epoxy resin, 2.5-15% of a reactive diluent, 15-50% of a mixed photoinitiator and 1-20% of an additive. Through adoption of the liquid optically clear adhesive, not only is double ultraviolet and heat curing realized, but also the curing shrinkage percentage is smaller than 1%, the refractive index is 1.53-1.56, and the light transmittance reaches 98% or above, so that optical property requirements can be met.
Description
Technical field
The invention belongs to field of adhesive technology, be specifically related to a kind of ultraviolet-heat dual cure laminating liquid optical cement entirely.
Background technology
Namely full laminating is panel and touch-screen are pasted together completely in seamless mode with liquid optical cement or optical adhesive tape.Full coating technique is divided into OCA solid state optics glue (OpticallyClearAdhesive), and laminating and LOCA liquid optical cement (LiquidOpticallyClearAdhesive) are fitted entirely entirely.OCA optical cement upper and lower surface is fitted with the form of double sticky tape, easy bubbling, fold, and yield is not high, is just substituted gradually by LOCA liquid glue.Full laminating screen common is in the market mainly with OGS (OneGlassSolution one-chip type touch panel) scheme that original touch screen manufacturer takes as the leading factor.OGS and full sticking touch control technology, be pixel control layer (TouchSensor) and protective glass (CoverGlass) are combined, the structure of touch module can be simplified to a sheet glass; Then plate containing X and Y-axis sensing electrode at protective glass internal layer, reduce glass material cost, and reduce laminating program to improve yield, reduce the price differential with film type contact panel.But the problems such as the processing procedure that this technology faces induction line is at present selected, the adjustment of double this strength maintenance had and quality stability, control chip when doing Watch glass, Yield lmproved is difficult makes the effect of OGS technology and range of application be extremely restricted.
Liquid optical adhesive a kind ofly ultraviolet curing can have the single-component adhesive of optical property, is called for short optical cement.Namely the liquid optical cement (LOCA) of ultraviolet light polymerization is a kind ofly utilize UV-curing technology and by the tackiness agent for widely applying, it is mainly used in the bonding of transparent optical material.Only have Mitsubishi can carry out the solid-state OCA adhesive tape of full laminating in the market, the OCA adhesive tape of 3M and LG chemical company also has a lot of problem can not meet the requirement of full laminating, causes the yield of full laminating to decline.Mitsubishi on market, the full laminating of 3M, LG chemistry are all very high with solid-state OCA unit price, are that 10.1 inch fit the solid-state OCA unit price of touch-screen entirely more than 10 yuans substantially, and adopt the unit price of the screen of liquid optical cement 10.1 inch size can not more than 6 yuans.But current domestic liquid optical cement integral production level and ability also far lag behind developed country, especially for the domestic product also not having maturation of research of full laminating liquid optical cement material, cure shrinkage is high, specific refractory power is low and specific inductivity height is the key technical problem that liquid optical cement material require solves.
Existing liquid optical cement bonding closes optical display subass embly, exist UV rayed less than gap shade part occur that solidification is bad, the situation of even not solidifying, the problem inadequate to the sticking power of portion of material.Causing tackiness agent cannot completely crued shortcoming for solving the reasons such as the thicker or glue-line color of dash area, glue-line is darker, the dual UV curable paint combined with other curing modes by ultraviolet light polymerization can be adopted.In dual UV curable paint, crosslinked or the polyreaction of system is completed by two stages independently with differential responses principle, one of them stage is reacted by ultraviolet light polymerization, and another stage is undertaken by dark reaction, dark reaction comprises thermofixation, moisture-curable or anaerobic curing reaction etc.This dual UV curable paint can utilize ultraviolet light polymerization make system fast shaping or reach " surface drying ", utilizes dark reaction to make " shade " part or floor portions completion of cure, thus reaches the solidification completely of system.But all there is certain limitation in the dark reaction such as moisture-curable and anaerobic curing method, as: Solidified enzyme is lower, after fixing speed is comparatively slow, applicable situation is restricted; Even if or tackiness agent itself meets above-mentioned condition---better performances or curing speed are very fast, but the optical properties such as the light transmission of cured product, specific refractory power, mist degree do not reach requirement again.
Summary of the invention
The problem of requirement is not reached for solving the optical properties such as the specific refractory power of existing liquid optical cement dual cure existence, the present invention proposes a kind of full laminating liquid optical cement, it can not only carry out ultraviolet-heat dual cure, and cure shrinkage is less than 1%, specific refractory power is 1.53-1.56, transmittance reaches more than 98%, meets optical performance requirements.
Technical scheme of the present invention is achieved in that
A kind of full laminating liquid optical cement, its component percentage comprises:
Modified liquid synthetic polyisoprene prepolymer 10% ~ 60%, modified epoxy 10% ~ 60%, reactive thinner 2.5% ~ 15%, mix type light trigger 15% ~ 50% and auxiliary agent 1 ~ 20%.
Further, also comprise organosol polymeric, percentage is calculated, and described organosol polymeric is 2% ~ 10%.
Further, described organosol polymeric is the organosol polymeric of methyl silsesquioxane and cage modle eight polysilsesquioxane co-crosslinking.
Further, described modified liquid synthetic polyisoprene prepolymer is prepared by senecioate-hydroxyl ethyl ester and liquid polyisoprene rubber.
Further, described modified epoxy is acrylated epoxy, and described acrylated epoxy is prepared by bisphenol A epoxide resin and vinylformic acid.
Further, described reactive thinner is selected from one or more of hydroxy propyl methacrylate, tetramethylol methane tetraacrylate, lauryl acrylate, lauryl methacrylate(LMA), isobornyl acrylate (IBOA), ethoxyethoxyethyl acrylate (EOEOEA), isobornyl methacrylate or hydroxyethyl methacrylate.
Further, described in mix type light trigger be radical photoinitiator and cationic initiators composition mixture, the mass ratio of described radical photoinitiator and described cationic initiators is 5:1 ~ 20:1.
Further, described radical photoinitiator is selected from 2-hydroxy-2-methyl-1-phenyl-acetone or 1-hydroxycyclohexyl phenyl ketone, and described cationic initiators is selected from alkyl salt compounded of iodine or the luxuriant iron hexafluorophosphate of isopropyl benzene.
Further, described auxiliary agent is a kind of or its multiple combination in defoamer, oxidation inhibitor and flow agent, and described defoamer is methyltrimethoxy silane, vinyl three ethoxy acyloxy silane, r-mercaptopropyi Trimethoxy silane, r-r-chloropropyl trimethoxyl silane or hexamethyldisilazane; Described oxidation inhibitor is the phenolic antioxidant of multi-effect, as selected the IRGANOX1135 of vapour Bagong department, IRGANOX245, IRGANOX565; Described flow agent is reactive organic modified polyorganosiloxane acrylic type flow agent, can select 1073,1074 flow agents of the energy chemical industry that rubs.
Further, the cure shrinkage of described liquid optical cement is 0-1%, and specific refractory power is 1.53-1.55, and specific inductivity is 1.5-2.0.
A preparation method for full laminating liquid optical cement, comprises the following steps:
1) calculate according to weight percentage, take modified liquid synthetic polyisoprene prepolymer 10% ~ 60%, acrylated epoxy 10% ~ 60%, organosol polymeric 2% ~ 10%, reactive thinner 2.5% ~ 15% monomer add in reactor, under the condition of room temperature 20 DEG C ~ 40 DEG C, stir 1-3 hour;
2) calculate according to weight percentage, take 15% ~ 50% promiscuity light trigger, 0.5% ~ 10% defoamer, 0.25% ~ 5% oxidation inhibitor and 0.25% ~ 5% flow agent and join step 1 respectively) stir 2-3 hour, until mix in gained mixture;
3) to step 2) mixture of gained carries out vacuum defoamation, filters discharging, and obtain laminating liquid optical cement entirely, this full laminating liquid optical cement viscosity is 2000 ~ 3000cps.
The preparation method of modified liquid synthetic polyisoprene prepolymer is:
A-H in liquid polyisoprene rubber molecule and maleic anhydride generation addition reaction, temperature of reaction is 90 DEG C, generate the grafts of polyisoprene and maleic anhydride, at 65 DEG C, esterification is carried out to it with senecioate-hydroxyl ethyl ester when the total mass number of grafts reaches 35%, there is single-esterification with the-OH in senecioate-hydroxyl ethyl ester in the-COOH in grafts, generates esterification products, thus realize the modification to liquid polyisoprene rubber.
The preparation method of modified epoxy is:
Take vinylformic acid as modified monomer, Resorcinol is stopper, DMA is catalyzer, adopt graft copolymerization to synthesize acrylic modified epoxy resin.
The preparation method of organosol polymeric is:
Cage modle eight polysilsesquioxane organosol polymeric is a kind of novel texture nano material that Material Field attracts people's attention, and it refers to that all molecular structures are (RSiO
3/ 2) the special silicoorganic compound of n, and in molecule n (O): n (Si)=3: 2.Cage modle hexahedron structure is wherein one of most important kind (being similar to silicon dioxide structure), this special three-dimensional arrangement gives the performance (as excellent dielectric properties, high thermotolerance and chemical stability etc.) of organosol polymeric uniqueness, is also the quite potential polymer modification agent of one.1mol dehydrated alcohol and 2.4mol distilled water is added, with NaOH solution adjust ph to 8 ~ 9 in 0.3mol Union carbide A-162; 50 DEG C of constant temperature stir 48h, obtain white crystal throw out, after filtration, wash and after drying, obtain organosol polymeric white powder.
The present invention also provides the application of above-mentioned full laminating liquid optical cement in capacitance touch screen, and the touch-screen adopting full laminating liquid optical cement of the present invention to make, has following advantage:
(1) better display effect: full coating technique removes the air between glass coating, significantly can reduce light reflection, reduce and appear fiber-loss thus promote brightness, strengthen the display effect of screen.
(2) screen completely cuts off dust and steam: the gas cloud of common laminating type, easily by dust and the moisture contamination of environment, affects the use of screen; And LOCA glue of entirely fitting is filled with space, liquid crystal display and touch-screen fit tightly, and dust and steam can enter nowhere, can keep the cleanliness factor of screen for a long time.
(3) reduce noise jamming: the decapacitation of combining closely of touch-screen and display panel promotes outside intensity, and full laminating more effectively can reduce the interference that noise causes touch signal, promote the sense of touch control operation smoothness.
(4) make fuselage thinner: full laminating screen has thinner fuselage, and touch-screen and display screen use optical cement to fit, and usually only increase the thickness of 0.1mm-0.15mm; The thin 0.1mm-0.7mm of more common laminating type.Thinner module thickness provides greater flexibility for complete machine structure design, and thinner fuselage improves product specification, shows technology content.
(6) simplify assembling: the mode that full laminating module directly can be taked buckle with the assembling of complete machine or lock screw is fixed, and decreases the assembly problem that deviation of fitting is brought, is reduced to assembling procedure simultaneously, reduction assembly cost.Full laminating module need not consider dust protection steam, so frame need not consider width of fitting, can realize narrower frame, and simultaneously because considering double-sided adhesive laminating intensity, also contribute to narrow frame design, frame can be accomplished narrower.In addition, full laminating liquid optical cement of the present invention is not only applicable to OGS and entirely fits, and is applicable to other full attaching process.
Beneficial effect of the present invention:
1, by introducing senecioate-hydroxyl ethyl ester, the acrylate modified liquid isoprene rubber prepolymer that modification obtains a kind of high transparent, high refractive index, excellent anti-yellowing property is carried out to liquid polyisoprene rubber, reach the performance requriements of low cure shrinkage and high refractive index thus, transmittance reaches more than 98%, cure shrinkage is less than 1%, and specific refractory power is 1.53-1.55.
2, the epoxy acrylate by introducing modification solves the technical problem of the hot dual cure of UV, the resin of synthesis both can carry out photocuring under the action of uv light also can thermofixation, the optical cement of the common problem and dash area that also solve the existence of current industry irradiates the not dry phenomenon causing yield to reduce, and greatly improves the yield that full laminating is produced.
3, synthesized cage modle eight polysilsesquioxane by molecular designing and prepared the colloidal sol of methyl silsesquioxane and cage modle eight polysilsesquioxane co-crosslinking with this, research prepolymer and POSS prepare ratio and the method for colloidal sol, reach the requirement of low-k, specific inductivity is less than 2.0.
Embodiment
Embodiment 1
Full laminating liquid optical cement, percentage is calculated, and its component is:
Wherein, mixing type light trigger is radical photoinitiator 1173 and cationic initiators alkyl salt compounded of iodine, and its mass ratio is 20:1.
The preparation method of full laminating liquid optical cement, comprises the following steps:
(1) material dissolution: by said ratio take modified liquid synthetic polyisoprene prepolymer, acrylated epoxy, organosol polymeric, EOEOEA monomer add in reactor, under the condition of room temperature 20 DEG C stir 1 hour;
(2) precentagewise adds respectively and mixes type light trigger, methyltrimethoxy silane, IRGANOX1135 and flow agent 1073 and stir 2 hours, until mix in step (1) gained mixture.
(3) the mixture of step (2) gained is carried out to vacuum defoamation, filters discharging, obtain the full laminating liquid optical cement finished product that viscosity is 2000cps.
The full laminating liquid optical cement of gained adopts the hot dual cure of UV-, and cure shrinkage is 0.6%, and specific refractory power is 1.53, and transmittance is 98.5%, and specific inductivity is 1.8.
Embodiment 2
Full laminating liquid optical cement, percentage is calculated, and its component is:
Wherein, mixing type light trigger is radical photoinitiator 184 and the luxuriant iron hexafluorophosphate of cationic initiators isopropyl benzene, and its mass ratio is 5:1.
The preparation method of full laminating liquid optical cement, comprises the following steps:
(1) material dissolution: by said ratio take modified liquid synthetic polyisoprene prepolymer, acrylated epoxy, organosol polymeric, IBOA monomer add in reactor, under the condition of room temperature 20 DEG C stir 2 hours.
(2) precentagewise adds respectively and mixes type light trigger, vinyl three ethoxy acyloxy silane, IRGANOX245 and flow agent 1074 and stir 3 hours, until mix in step (1) gained mixture.
(3) the mixture of step (2) gained is carried out to vacuum defoamation, filters discharging, obtain the full laminating liquid optical cement finished product that viscosity is 2500cps.
The full laminating liquid optical cement of gained adopts the hot dual cure of UV-, and cure shrinkage is 0.7%, and specific refractory power is 1.54, and transmittance is 98%, and specific inductivity is 1.9.
Embodiment 3
Full laminating liquid optical cement, percentage is calculated, and its component is:
Wherein, promiscuity light trigger is radical photoinitiator 184: cationic initiators alkyl salt compounded of iodine, and its mass ratio is 10:1.
The preparation method of full laminating liquid optical cement, comprises the following steps:
(1) material dissolution: by said ratio take modified liquid synthetic polyisoprene prepolymer, acrylated epoxy, organosol polymeric, EOEOEA monomer add in reactor, under the condition of room temperature 40 DEG C stir 2 hours.
(2) precentagewise adds promiscuity light trigger, r-mercaptopropyi Trimethoxy silane, IRGANOX565 and flow agent 1073 respectively and stirs 2 hours, until mix in step (1) gained mixture.
(3) the mixture of step (2) gained is carried out to vacuum defoamation, filters discharging, obtain the full laminating liquid optical cement finished product that viscosity is 2600cps.
The full laminating liquid optical cement of gained adopts the hot dual cure of UV-, and cure shrinkage is 0.5%, and specific refractory power is 1.55, and transmittance is 99%, and specific inductivity is 1.6.
Embodiment 4
Full laminating liquid optical cement, percentage is calculated, and its component is:
Wherein, promiscuity light trigger is radical photoinitiator 1173: the luxuriant iron hexafluorophosphate of cationic initiators isopropyl benzene, its mass ratio is 15:1.
The preparation method of full laminating liquid optical cement, comprises the following steps:
(1) material dissolution: by said ratio take modified liquid synthetic polyisoprene prepolymer, acrylated epoxy, organosol polymeric, IBOA monomer add in reactor, under the condition of room temperature 30 DEG C stir 1.5 hours.
(2) precentagewise adds promiscuity light trigger, r-r-chloropropyl trimethoxyl silane, IRGANOX1135 and flow agent 1074 respectively and stirs 1.5 hours, until mix in step (1) gained mixture.
(3) the mixture of step (2) gained is carried out to vacuum defoamation, filters discharging, obtain the full laminating liquid optical cement finished product that viscosity is 3000cps.
The full laminating liquid optical cement of gained adopts the hot dual cure of UV-, and cure shrinkage is 0.8%, and specific refractory power is 1.56, and transmittance is 98.6%, and specific inductivity is 1.7.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a full laminating liquid optical cement, it is characterized in that, its component percentage comprises:
Modified liquid synthetic polyisoprene prepolymer 10% ~ 60%, modified epoxy 10% ~ 60%, reactive thinner 2.5% ~ 15%, mix type light trigger 15% ~ 50% and auxiliary agent 1 ~ 20%.
2. full laminating liquid optical cement according to claim 1, is characterized in that, also comprise organosol polymeric, and percentage is calculated, and described organosol polymeric is 2% ~ 10%.
3. full laminating liquid optical cement according to claim 2, is characterized in that, described organosol polymeric is the organosol polymeric of methyl silsesquioxane and cage modle eight polysilsesquioxane co-crosslinking.
4. full laminating liquid optical cement according to claim 1 and 2, is characterized in that, described modified liquid synthetic polyisoprene prepolymer is prepared by senecioate-hydroxyl ethyl ester and liquid polyisoprene rubber.
5. full laminating liquid optical cement according to claim 1 and 2, is characterized in that, described modified epoxy is acrylated epoxy, and described acrylated epoxy is prepared by bisphenol A epoxide resin and vinylformic acid.
6. full laminating liquid optical cement according to claim 1 and 2, it is characterized in that, described reactive thinner is selected from one or more of hydroxy propyl methacrylate, tetramethylol methane tetraacrylate, lauryl acrylate, lauryl methacrylate(LMA), isobornyl acrylate, ethoxyethoxyethyl acrylate, isobornyl methacrylate or hydroxyethyl methacrylate.
7. full laminating liquid optical cement according to claim 1 and 2, it is characterized in that, the described type light trigger that mixes is the mixture that radical photoinitiator and cationic initiators form, and the mass ratio of described radical photoinitiator and described cationic initiators is 5:1 ~ 20:1.
8. full laminating liquid optical cement according to claim 7, it is characterized in that, described radical photoinitiator is selected from 2-hydroxy-2-methyl-1-phenyl-acetone or 1-hydroxycyclohexyl phenyl ketone, and described cationic initiators is selected from alkyl salt compounded of iodine or the luxuriant iron hexafluorophosphate of isopropyl benzene.
9. full laminating liquid optical cement according to claim 1 and 2, it is characterized in that, described auxiliary agent is a kind of or its multiple combination in defoamer, oxidation inhibitor and flow agent, described defoamer is methyltrimethoxy silane, vinyl three ethoxy acyloxy silane, r-mercaptopropyi Trimethoxy silane, r-r-chloropropyl trimethoxyl silane or hexamethyldisilazane, described oxidation inhibitor is the phenolic antioxidant of multi-effect, and described flow agent is reactive organic modified polyorganosiloxane acrylic type flow agent.
10. the full laminating liquid optical cement according to Claims 2 or 3, is characterized in that, the cure shrinkage of described liquid optical cement is 0-1%, and specific refractory power is 1.53-1.55, and specific inductivity is 1.5-2.0.
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| CN201610071164.2A CN105505275B (en) | 2016-02-01 | 2016-02-01 | Full fitting liquid optical cement |
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| CN201610071164.2A CN105505275B (en) | 2016-02-01 | 2016-02-01 | Full fitting liquid optical cement |
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| CN105505275B CN105505275B (en) | 2018-04-17 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106497438A (en) * | 2016-11-10 | 2017-03-15 | 深圳飞世尔新材料股份有限公司 | A kind of attaching capacitive touch screens photo-thermal dual curable optical adhesive |
| CN106753046A (en) * | 2016-12-02 | 2017-05-31 | 东莞市平波电子有限公司 | A kind of full applying method of GF touch-screens |
| CN109375801A (en) * | 2018-09-27 | 2019-02-22 | 广西中沛光电科技有限公司 | A kind of applying method of touch screen |
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| CN103160212A (en) * | 2011-12-19 | 2013-06-19 | 烟台德邦科技有限公司 | Ultraviolet light curing optical adhesive |
| CN104449419A (en) * | 2014-12-05 | 2015-03-25 | 烟台泰盛精化科技有限公司 | Ultraviolet-heat dual curing optical adhesive containing epoxidized polybutadiene resin |
| CN104694063A (en) * | 2015-02-10 | 2015-06-10 | 北京化工大学 | High-performance double-bond-containing epoxy resin/liquid rubber adhesive |
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- 2016-02-01 CN CN201610071164.2A patent/CN105505275B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103160212A (en) * | 2011-12-19 | 2013-06-19 | 烟台德邦科技有限公司 | Ultraviolet light curing optical adhesive |
| CN104449419A (en) * | 2014-12-05 | 2015-03-25 | 烟台泰盛精化科技有限公司 | Ultraviolet-heat dual curing optical adhesive containing epoxidized polybutadiene resin |
| CN104694063A (en) * | 2015-02-10 | 2015-06-10 | 北京化工大学 | High-performance double-bond-containing epoxy resin/liquid rubber adhesive |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106497438A (en) * | 2016-11-10 | 2017-03-15 | 深圳飞世尔新材料股份有限公司 | A kind of attaching capacitive touch screens photo-thermal dual curable optical adhesive |
| WO2018086285A1 (en) * | 2016-11-10 | 2018-05-17 | 深圳飞世尔新材料股份有限公司 | Photo-thermal dual-curing optical adhesive for gluing of capacitive touch screens and preparation method therefor |
| CN106753046A (en) * | 2016-12-02 | 2017-05-31 | 东莞市平波电子有限公司 | A kind of full applying method of GF touch-screens |
| CN106753046B (en) * | 2016-12-02 | 2019-03-08 | 东莞市平波电子有限公司 | A kind of full applying method of GF touch screen |
| CN109375801A (en) * | 2018-09-27 | 2019-02-22 | 广西中沛光电科技有限公司 | A kind of applying method of touch screen |
| CN109375801B (en) * | 2018-09-27 | 2021-06-22 | 广西中沛光电科技有限公司 | Laminating method of touch screen |
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| Publication number | Publication date |
|---|---|
| CN105505275B (en) | 2018-04-17 |
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