CN109957368A - A kind of LED-UV solidification Optical adhesive composition, preparation method and its solidify coating - Google Patents

A kind of LED-UV solidification Optical adhesive composition, preparation method and its solidify coating Download PDF

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CN109957368A
CN109957368A CN201711401355.1A CN201711401355A CN109957368A CN 109957368 A CN109957368 A CN 109957368A CN 201711401355 A CN201711401355 A CN 201711401355A CN 109957368 A CN109957368 A CN 109957368A
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adhesive composition
optical adhesive
acrylate
solidifies
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于典
罗文海
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BYD Co Ltd
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BYD Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02Non-macromolecular additives
    • C09J11/06Non-macromolecular additives organic
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J147/00Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds; Adhesives based on derivatives of such polymers
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J163/00Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
    • C09J163/10Epoxy resins modified by unsaturated compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/04Oxygen-containing compounds
    • C08K5/13Phenols; Phenolates
    • C08K5/132Phenols containing keto groups, e.g. benzophenones

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Macromonomer-Based Addition Polymer (AREA)

Abstract

The present invention provides a kind of LED-UV solidification Optical adhesive composition, preparation method and its solidify coating, the LED-UV solidification Optical adhesive composition includes epoxy modification acrylate, butadiene modification acrylate, reactive diluent and photoinitiator, above-mentioned substance is mixed evenly, LED-UV solidification Optical adhesive composition can be obtained, solidify coating is can be obtained into LED-UV solidification Optical adhesive composition solidification.LED-UV solidification Optical adhesive composition provided by the present invention has viscosity low, good fluidity, it is easy to process, curing rate is fast, can Lower Energy Consumption Curing the advantages of, and solidify by the LED-UV that the coating light transmittance that Optical adhesive composition is formed by curing is high, adhesive property is excellent, has good temperature tolerance, water resistance and weatherability.

Description

A kind of LED-UV solidification Optical adhesive composition, preparation method and its solidify coating
Technical field
The present invention relates to optical cement fields, and in particular to a kind of LED-UV solidification Optical adhesive composition, preparation method and Its solidify coating.
Background technique
Full coating technique is the mainstream development trend of current high-end smartphones Yu tablet computer panel attachment, i.e., by panel It is pasted completely together with touch screen in seamless mode.Compared to frame patch for, using optical adhesive tape filling touch screen with Air layer between display panel can provide the image display effect of better screen reflection, in recent years, with intelligent hand The rise of machine industry, touch screen obtain large-scale industrial application.In the production of touch screen, need using a large amount of optics Glue, wherein based on optical adhesive tape, while there are also a small amount of liquid-transparent glue.
Optical adhesive tape is easy to produce bubble during fitting, and the fitting of optical adhesive tape needs to be die-cut to fitting screen in advance Then the sheet material of size carries out hot-rolling and overlays conjunction, in order to guarantee not generate bubble during fitting, it is also necessary to vacuumize and be taken off Bubble processing, which be easy to cause bad, and undesirable finished product and semi-finished product can not be reused again.Liquid Bulk optics glue can solidify in a relatively short period of time, substantially increase production efficiency compared with traditional adhesive tape thermal bonding process, More meet the requirement of large-scale production, the quality of product also becomes more readily available guarantee, and at low cost.
Presently used optics of liquids transparent adhesive tape is mainly based on UV solidification or to be aided with heat cure, and comprehensive performance is bad, UV Curing transfer glue is usually to solidify under high-pressure sodium lamp, and the UV energy accounting that high-pressure sodium lamp occurs in the operating condition is about 30%, wherein be greatly infrared energy, a large amount of infrared energy make in solidification process workpiece surface temperature excessively high and Cause workpiece impaired.However the generation of LED-UV light source is the ultraviolet light that can concentrate on required particular range of wavelengths, is had good Good coating penetration power, can deep cure, and calorific value is few in solidification process.Therefore, LED-UV solidification optical cement is ground after being The trend studied carefully.
Summary of the invention
The present invention is intended to provide it is a kind of can rapid curing, Lower Energy Consumption Curing LED-UV solidify Optical adhesive composition, should LED-UV solidifies that the coating light transmittance that Optical adhesive composition is formed by curing is high, adhesive property is excellent, has good temperature tolerance, is resistance to Aqueous and weatherability.
One aspect of the present invention provides a kind of LED-UV solidification Optical adhesive composition, comprising: epoxy modification acrylate, fourth two Alkene modification acrylate, reactive diluent and photoinitiator.LED-UV provided by the present invention solidifies Optical adhesive composition as a result, Low with viscosity, good fluidity is easy to process, and curing rate is fast, can Lower Energy Consumption Curing the advantages of.
Another aspect of the present invention provides a kind of LED-UV preparation method for solidifying Optical adhesive composition, by above-mentioned LED-UV Solidification Optical adhesive composition is mixed evenly.This method is simple, and condition is milder, it is easy to accomplish and control.
Further aspect of the present invention provides a kind of LED-UV solidify coating for solidifying Optical adhesive composition, the solidify coating It is to be formed by curing by above-mentioned LED-UV solidification Optical adhesive composition.The light transmittance of the solidify coating is high as a result, adhesive property is excellent It is different, have good temperature tolerance, water resistance and weatherability.
It is excellent that the epoxy modification acrylate that the present invention uses has that viscosity is low, quick solidifying, temperature tolerance is good, adhesion is good Point can provide preferable adhesive property for coating;Butadiene modification acrylate solidifies Optical adhesive composition as LED-UV Component carry out film, obtained coating has flexibility, the low feature of shrinking percentage, and can also play the role of vibration damping.Cause This, solidifies that the coating light transmittance that Optical adhesive composition is formed by curing is high, adhesive property is excellent, it is good to have using LED-UV of the present invention Temperature tolerance well, water resistance, weatherability.
Specific embodiment
Embodiments of the present invention are described below in detail.Embodiments described below is exemplary, and is only used for explaining The present invention, and be not considered as limiting the invention.Particular technique or condition are not specified in embodiment, according in the art Document described in technology or conditions or carried out according to product description.
The present invention provides a kind of LED-UV solidification Optical adhesive composition, comprising: epoxy modification acrylate, butadiene are modified Acrylate, reactive diluent and photoinitiator.LED-UV solidification Optical adhesive composition provided by the present invention has glutinous as a result, Spend low, good fluidity, easy to process, curing rate is fast, can Lower Energy Consumption Curing the advantages of, LED-UV solidification optical cement combination The coating light transmittance that object is formed by curing is high, adhesive property is excellent, has good temperature tolerance, water resistance, weatherability.
In the present invention, the epoxy modification acrylate is hydroxyl modification bifunctionality aliphatic acrylate and/or carboxylic Base is modified bifunctionality aliphatic acrylate.Low, quick solidifying, temperature tolerance are good with viscosity for epoxy modification acrylate, adhere to The good advantage of property, can provide preferable adhesive property for coating.
In the present invention, the number-average molecular weight of the epoxy modification acrylate is 800-2000, as a result, the LED-UV liquid The viscosity of state Optical adhesive composition is low, solidifies convenient for subsequent coated, and solidifies shape by the LED-UV liquid optical cement composition At coating have certain rigidity and toughness.The molecular weight of epoxy modification acrylate is too small, and strand is short, is made from it Liquid optical cement composition be formed by coating continuity bad, surface irregularity, poor toughness;Epoxy modification acrylate Molecular weight is excessive, molecular chain length, and it is bad that the liquid optical cement composition thus formed is formed by coating compactness, excessively soft Soft, rigidity is inadequate.
In the present invention, it is by acrylic acid and ring that the butadiene modification acrylate, which is epoxidized polybutadiene acrylate, Oxygen polybutadiene carries out ring-opening reaction and obtains, and its essence is the addition reactions of carboxyl and epoxy group, carries out fourth to acrylic resin It is diene modified.Film, gained are carried out as the LED-UV component for solidifying Optical adhesive composition using butadiene modification acrylate The coating arrived has flexibility, the low feature of shrinking percentage, and can also play the role of vibration damping.
In the present invention, the reactive diluent is single functionality acrylate and/or bifunctionality acrylate, simple function Degree acrylate refers to each molecule only and may participate in the group of curing reaction containing one, and bifunctionality refers to that each molecule contains only There are two the groups that may participate in curing reaction.The curing rate of single functionality acrylate and/or bifunctionality acrylate is fast, Dilution capacity is strong.
In the present invention, the reactive diluent is isobornyl acrylate, ethoxylated neopentylglycol diacrylate, gathers Ethylene glycol (600) diacrylate, 2- phenoxyethyl methacrylate, caprolactone, phenoxyethyl acrylate, second At least one of oxygroup ethoxyethyl acrylate and ethoxylated bisphenol A dimethylacrylate.
In the present invention, the photoinitiator is that radical initiator refers to the examination that can be generated free radicals in radical reaction Agent, free radical are widely adopted due to its faster initiation reaction;The photoinitiator is 2,4,6- trimethylbenzoyl Diphenyl phosphine oxide (Lucirin TPO), 1- hydroxy cyclohexyl phenylketone (184) and bis- (2,4,6- trimethylbenzoyl) benzene At least one of base phosphine oxide (819).
In the present invention, the LED-UV solidification Optical adhesive composition further includes light stabilizer, and the light stabilizer is ultraviolet Light absorber.The effect of light stabilizer is shielding or the energy for absorbing ultraviolet light, quenching singlet oxygen and by hydroperoxides point Solution makes high molecular polymer under the radiation of light at the function of inert matter, can exclude or slow down photochemical reaction possibility, The process of light aging is prevented or postpones, to achieve the purpose that extend high polymer product service life.
In the present invention, the LED-UV solidification Optical adhesive composition includes: 30-60 parts of epoxy modification acrylates, 30-60 Part butadiene modification acrylate, 10-30 portions of reactive diluents, 1-6 parts of photoinitiators and 0-1 parts of light stabilizers.It is described as a result, LED-UV solidification Optical adhesive composition is low with viscosity, curing rate is fast, being capable of Lower Energy Consumption Curing.
The present invention provides a kind of LED-UV preparation method for solidifying Optical adhesive composition, and above-mentioned LED-UV is solidified optical cement Composition is mixed, and mixed liquor is dispersed with stirring a period of time using high speed disperser under light protected environment, then will mixing Liquid is put into vacuum tank, carries out vacuumize process to exclude the bubble in mixed liquor and obtains transparent liquid optical cement.It is described The preparation method that LED-UV solidifies Optical adhesive composition is simple, and condition is milder, it is easy to accomplish and control.
The present invention provides a kind of LED-UV solidify coating for solidifying Optical adhesive composition, and above-mentioned LED-UV is solidified optical cement Composition solidifies under LED-UV illumination condition, to form solidify coating.The light transmittance of the solidify coating is high, adhesive property It is excellent, have good temperature tolerance, water resistance and weatherability.
Below by embodiment, the present invention is further illustrated.It should be appreciated that specific embodiment described herein Only to explain the present invention, it is not intended to limit the present invention.Raw material employed in embodiment and comparative example is commercially available, The present invention is not particularly limited.The following viscosity of the present invention are to be surveyed under conditions of temperature is 25 DEG C using rotational viscometer Examination obtains.
Embodiment 1
It prepares LED-UV and solidifies Optical adhesive composition: hydroxyl modification bifunctionality aliphatic acrylate 10 being added in beaker G, 7 g of epoxidized polybutadiene acrylate (number-average molecular weight 1000), 3 g of isobornyl acrylate, ethoxy ethoxy second (184) 0.4 g and 2,4,6- trimethyl benzoyl diphenyl base phosphine oxide of 1 g, 1- hydroxy cyclohexyl phenylketone of base acrylate Mixture is mixed 90 min of dispersion, mixing speed using high speed disperser under light protected environment by (Lucirin TPO) 0.4 g For 600 r/min;
At room temperature, mixed liquor is put into vacuum drying oven, vacuumized, place 3 h under vacuum conditions, the gas in mixed liquor is discharged Bubble, the viscosity that optics of liquids transparent adhesive tape composition sample S1, sample S1 is made is 2556 mPa.s;
Sample S1 is solidified under the conditions of LED-UV, obtains solidify coating S10, curing time is 5 s.
Embodiment 2
Prepare LED-UV solidify Optical adhesive composition: in beaker be added 8 g of hydroxyl modification bifunctionality aliphatic acrylate, 8 g of epoxidized polybutadiene acrylate (number-average molecular weight 1500), 1 g of ethoxylated neopentylglycol diacrylate, propylene Sour (184) 0.3 g, 2,4,6- trimethyl benzoyl diphenyl base phosphine oxide of 4 g, 1- hydroxy cyclohexyl phenylketone of isobornyl thiocyanoacetate 0.1 g of (Lucirin TPO) 0.5 g and UV absorbers (2-hydroxy-4-n-octoxybenzophenone), under light protected environment Mixture is mixed into 90 min of dispersion using high speed disperser, mixing speed is 600 r/min;
At room temperature, mixed liquor is put into vacuum drying oven, vacuumized, place 3 h under vacuum conditions, the gas in mixed liquor is discharged Bubble, the viscosity that optics of liquids transparent adhesive tape composition sample S2, sample S2 is made is 2848 mPa.s;
Sample S2 is solidified under the conditions of LED-UV, obtains solidify coating S20, curing time is 5 s.
Embodiment 3
Prepare LED-UV solidify Optical adhesive composition: in beaker be added 6 g of hydroxyl modification bifunctionality aliphatic acrylate, 8 g of epoxidized polybutadiene acrylate (number-average molecular weight 800), 1 g of ethoxylated neopentylglycol diacrylate, acrylic acid 2 g of isobornyl thiocyanoacetate, (184) 0.3 g, 2,4,6- tri- of 1 g, 1- hydroxy cyclohexyl phenylketone of polyethylene glycol (600) diacrylate Methyl benzoyl diphenyl phosphine oxide (Lucirin TPO) 0.4 g and UV absorbers (2- hydroxyl -4- n-octyloxy two Benzophenone) 0.1 g, mixture is mixed into 90 min of dispersion, mixing speed 600 using high speed disperser under light protected environment r/min;
At room temperature, mixed liquor is put into vacuum drying oven, vacuumized, place 3 h under vacuum conditions, the gas in mixed liquor is discharged Bubble, the viscosity that optics of liquids transparent adhesive tape composition sample S3, sample S3 is made is 2698 mPa.s;
Sample S3 is solidified under the conditions of LED-UV, obtains solidify coating S30, curing time is 3 s.
Embodiment 4
Preparation LED-UV solidify Optical adhesive composition: be added in beaker carboxy-modified 7 g of bifunctionality aliphatic acrylate, 1 g of epoxidized polybutadiene acrylate (number-average molecular weight 2000) 13 g, 2- phenoxyethyl methacrylate, acrylic acid 1.5 g, 2,4,6- trimethyl benzoyl diphenyl base phosphine oxide of caprolactone (Lucirin TPO) 0.4 g and UV absorbers Mixture is mixed dispersion 90 using high speed disperser under light protected environment by (2-hydroxy-4-n-octoxybenzophenone) 0.1 g Min, mixing speed are 600 r/min;
At room temperature, mixed liquor is put into vacuum drying oven, vacuumized, place 3 h under vacuum conditions, the gas in mixed liquor is discharged Bubble, the viscosity that optics of liquids transparent adhesive tape composition sample S4, sample S4 is made is 2236 mPa.s;
Sample S4 is solidified under the conditions of LED-UV, obtains solidify coating S40, curing time is 5 s.
Embodiment 5
Preparation LED-UV solidifies Optical adhesive composition: carboxy-modified bifunctionality aliphatic acrylate 15 being added in beaker G, 8 g of epoxidized polybutadiene acrylate (number-average molecular weight 1200), 1 g of phenoxyethyl acrylate, ethoxylated bisphenol A diformazan (184) 0.1 g of 2 g, 1- hydroxy cyclohexyl phenylketone of base acrylate, bis- (2,4,6- trimethylbenzoyl) phenyl phosphine oxides 0.1 g of (819) 0.4 g and UV absorbers (2-hydroxy-4-n-octoxybenzophenone) uses high speed under light protected environment Mixture is mixed 90 min of dispersion by dispersion machine, and mixing speed is 600 r/min;
At room temperature, mixed liquor is put into vacuum drying oven, vacuumized, place 3 h under vacuum conditions, the gas in mixed liquor is discharged Bubble, the viscosity that optics of liquids transparent adhesive tape composition sample S5, sample S5 is made is 2789 mPa.s;
Sample S5 is solidified under the conditions of LED-UV, obtains solidify coating S50, curing time is 5 s.
Comparative example 1
Preparation LED-UV solidify Optical adhesive composition: be added in beaker carboxy-modified 8 g of bifunctionality aliphatic acrylate, 8 g of polyurethane acroleic acid (number-average molecular weight 1000), 1 g of ethoxylated neopentylglycol diacrylate, isobomyl acrylate (184) 0.4 g, 2,4,6- trimethyl benzoyl diphenyl base phosphine oxide (Lucirin of 4 g, 1- hydroxy cyclohexyl phenylketone of ester TPO) 0.1 g of 0.4 g and UV absorbers (2-hydroxy-4-n-octoxybenzophenone) uses high speed under light protected environment Mixture is mixed 90 min of dispersion by dispersion machine, and mixing speed is 600 r/min;
At room temperature, mixed liquor is put into vacuum drying oven, vacuumized, place 3 h under vacuum conditions, the gas in mixed liquor is discharged Bubble, the viscosity that optics of liquids transparent adhesive tape composition sample D1, sample D1 is made is 3083 mPa.s;
Sample D1 is solidified under the conditions of LED-UV, obtains solidify coating D10, curing time is 5 s.
Comparative example 2
It prepares LED-UV and solidifies Optical adhesive composition: 7 g of bifunctionality urethane acrylate, the poly- fourth of epoxy being added in beaker 8 g of diene acrylate (number-average molecular weight 1000), 1 g of ethoxylated neopentylglycol diacrylate, isobomyl acrylate (184) 0.4 g, 2,4,6- trimethyl benzoyl diphenyl base phosphine oxide (Lucirin of 4 g, 1- hydroxy cyclohexyl phenylketone of ester TPO) 0.1 g of 0.4 g and UV absorbers (2-hydroxy-4-n-octoxybenzophenone) uses high speed under light protected environment Mixture is mixed 90 min of dispersion by dispersion machine, and mixing speed is 600 r/min;
At room temperature, mixed liquor is put into vacuum drying oven, vacuumized, place 3 h under vacuum conditions, the gas in mixed liquor is discharged Bubble, the viscosity that optics of liquids transparent adhesive tape composition sample D2, sample D2 is made is 3169 mPa.s;
Sample D2 is solidified under the conditions of LED-UV, obtains solidify coating D20, curing time is 5 s.
Performance test
1. temperature tolerance test: product being placed into -40 DEG C of temperature control boxs and keeps the temperature 2 h, then is transferred into 85 DEG C of environment and keeps the temperature 2 h A circulation is completed, repetitive operation five times, product is moved on into room temperature environment after the completion and keeps the temperature 2 h, in which: transfer time is respectively less than 3 min.It is qualified for qualification that sample surfaces are considered as without variations such as blistering, discoloration, corrugations, sample surfaces have discoloration, blistering or other Variation is considered as unqualified;
2. water resistance test: the sample after solidification being impregnated 120 h in the thermostat water bath at 25 DEG C, sample surfaces are without rising The variations such as bubble, discoloration, swelling, corrugation are considered as qualification, and it is unqualified that sample surfaces have blistering or discoloration or swelling or corrugation to be considered as;
3. weatherability is tested: QUV degradation, 4 h(0.77w/m of UV illumination2, 60 DEG C), h(50 DEG C of condensation 4), repetitive cycling To 24 h, surface is considered as qualification without discoloration, has discoloration, corrugation etc. to be considered as unqualified;
4. light transmittance is tested: being measured using spectrophotometer;
5. refraction index test: being measured using Abbe refractometer;
6. removing adhesive strength test: being measured using 90 degree of peeling strength test machines.
The test result of sample S10, S20, S30, S40, S50, D10 and D20 are as shown in table 1:
Table 1
Temperature shock Water resistance QUV aging Light transmittance (%) Refractive index LOCA peel strength (gf/inch)
S10 It is qualified It is qualified It is qualified 96.56 1.506 2038
S20 It is qualified It is qualified It is qualified 95.13 1.498 2132
S30 It is qualified It is qualified It is qualified 95.89 1.532 1869
S40 It is qualified It is qualified It is qualified 96.88 1.516 1783
S50 It is qualified It is qualified It is qualified 95.23 1.596 2165
D10 It is qualified It is qualified It is unqualified 90.11 1.483 890
D20 It is qualified It is qualified It is unqualified 91.12 1.472 560
In the present invention, the LED-UV solidification Optical adhesive composition is solidified under LED-UV illumination condition, and LED-UV light is cold Light source, without heat radiation, the temperature rise of illuminated workpiece surface is low, due to workpiece surface will not cause to damage because temperature is excessively high, and solid Changing the time only needs several seconds, this illustrate LED-UV solidification Optical adhesive composition can compared with solidifying under low energy condition, And curing rate is fast.Embodiment 1-5 solidifies optical cement using LED-UV of the present invention it can be seen from the test result of table 1 Composition preparation coating S10, S20, S30, S40 and S50 all have good temperature tolerance, water resistance, weatherability, light transmittance, Refractive index and peel strength.LED-UV provided by the invention solidification Optical adhesive composition can rapid curing, Lower Energy Consumption Curing, and The coating light transmittance that LED-UV solidifies Optical adhesive composition formation is high, adhesive property is excellent, has good temperature tolerance, water resistance And weatherability.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned Embodiment is changed, modifies, replacement and variant.

Claims (10)

1. a kind of LED-UV solidifies Optical adhesive composition characterized by comprising epoxy modification acrylate, butadiene are modified Acrylate, reactive diluent and photoinitiator.
2. LED-UV according to claim 1 solidifies Optical adhesive composition, which is characterized in that the epoxy-modified acrylic acid Ester is hydroxyl modification bifunctionality aliphatic acrylate and/or carboxy-modified bifunctionality aliphatic acrylate.
3. LED-UV according to claim 2 solidifies Optical adhesive composition, which is characterized in that the epoxy-modified acrylic acid The number-average molecular weight of ester is 800-2000.
4. LED-UV according to claim 1 solidifies Optical adhesive composition, which is characterized in that the butadiene modified propylene Acid esters is epoxidized polybutadiene acrylate.
5. LED-UV according to claim 1 solidifies Optical adhesive composition, which is characterized in that the reactive diluent is single The acrylate of degree of functionality acrylate and/or bifunctionality;The reactive diluent is isobornyl acrylate, propoxylation Neopentylglycol diacrylate, polyethylene glycol (600) diacrylate, 2- phenoxyethyl methacrylate, acrylic acid oneself In lactone, phenoxyethyl acrylate, ethoxyethoxyethyl acrylate and ethoxylated bisphenol A dimethylacrylate extremely Few one kind.
6. LED-UV according to claim 1 solidifies Optical adhesive composition, which is characterized in that the photoinitiator is freely Base initiator;The photoinitiator be 2,4,6- trimethyl benzoyl diphenyl base phosphine oxide, 1- hydroxy cyclohexyl phenylketone and At least one of bis- (2,4,6- trimethylbenzoyl) phenyl phosphine oxides.
7. LED-UV according to claim 1 solidifies Optical adhesive composition, which is characterized in that the LED-UV solidifies optics Glue composition further includes light stabilizer, and the light stabilizer is UV absorbers.
8. LED-UV described in any one of -7 solidifies Optical adhesive composition according to claim 1, which is characterized in that with weight Meter, the LED-UV solidification Optical adhesive composition include: 30-60 parts of epoxy modification acrylates, 30-60 parts of butadiene modifications Acrylate, 10-30 portion reactive diluent, 1-6 parts of photoinitiators and 0-1 parts of light stabilizers.
9. the preparation method that a kind of LED-UV solidifies Optical adhesive composition, which is characterized in that by any one of claim 1-8 institute The LED-UV solidification Optical adhesive composition stated is mixed evenly.
10. the solidify coating that a kind of LED-UV solidifies Optical adhesive composition, which is characterized in that be by any in claim 1-8 LED-UV solidification Optical adhesive composition described in is formed by curing.
CN201711401355.1A 2017-12-22 2017-12-22 A kind of LED-UV solidification Optical adhesive composition, preparation method and its solidify coating Pending CN109957368A (en)

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