CN108359400A - A kind of environment-friendly type UV curing adhesives and preparation method thereof - Google Patents
A kind of environment-friendly type UV curing adhesives and preparation method thereof Download PDFInfo
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- CN108359400A CN108359400A CN201810255271.XA CN201810255271A CN108359400A CN 108359400 A CN108359400 A CN 108359400A CN 201810255271 A CN201810255271 A CN 201810255271A CN 108359400 A CN108359400 A CN 108359400A
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- reactive diluent
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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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/14—Polycondensates modified by chemical after-treatment
- C08G59/1433—Polycondensates modified by chemical after-treatment with organic low-molecular-weight compounds
- C08G59/1438—Polycondensates modified by chemical after-treatment with organic low-molecular-weight compounds containing oxygen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/14—Polycondensates modified by chemical after-treatment
- C08G59/1433—Polycondensates modified by chemical after-treatment with organic low-molecular-weight compounds
- C08G59/1438—Polycondensates modified by chemical after-treatment with organic low-molecular-weight compounds containing oxygen
- C08G59/1455—Monocarboxylic acids, anhydrides, halides, or low-molecular-weight esters thereof
- C08G59/1461—Unsaturated monoacids
- C08G59/1466—Acrylic or methacrylic acids
-
- 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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The present invention relates to photo-curing material technical fields, more particularly to a kind of environment-friendly type UV curing adhesives and preparation method thereof, environment-friendly type UV curing adhesives, including prepolymer, reactive diluent A, photoinitiator and reactive diluent B, 60-70 parts of prepolymer, A10-20 parts of reactive diluent, 10-15 parts of photoinitiator, B0.5-10 parts of reactive diluent；The prepolymer is modified epoxy acrylic ester, and the reactive diluent A is hydroxyethyl methacrylate, and the photoinitiator is 2,2- dimethyl-alpha-hydroxyacetophenone, and the reactive diluent B is trimethylolpropane trimethacrylate.Present invention employs each material rate appropriate, the effect of having given full play to each component, curing rate is fast, nontoxic, and flexibility is good, adhesion strength is high.
Description
Technical field
The present invention relates to photo-curing material technical field, more particularly to a kind of environment-friendly type UV curing adhesives and its preparation side
Method.
Background technology
With the development of science and technology, the products such as mobile phone, laptop, tablet computer, ultra-thin television, navigator are sent out rapidly
Exhibition, the demand to electro-acoustic element are increasing.And in traditional handicraft, the production of electro-acoustic element bonds branch mainly by solvent adhesive
The components such as frame, diaphragm and voice coil, but solvent adhesive toxicity is big, harmful, it is difficult to meet the new demands such as Halogen, and performance is unstable
It is fixed.
The principle of solidification of UV curing adhesives is：The photograph of photoinitiator (or photosensitizer) in UV curing materials in ultraviolet light
It penetrates down, living radical or cation is generated after absorbing ultraviolet light, cause monomer polymerization, crosslinking and section branch chemical reaction, make to glue
Mixture is converted into solid-state by liquid in a few seconds；But existing UV curing adhesives there are the performances such as flexibility, adhesion strength not
Ideal Problem.
Invention content
Technical problem solved by the invention is to overcome existing adhesive toxicity big, harmful, curing rate
The defects of slow and performance is unstable, provides a kind of environment-friendly type UV curing adhesives, environment-friendly type UV curing adhesives of the invention
Curing rate is fast, nontoxic, and flexibility is good, adhesion strength is high.Another object of the present invention is to provide environment-friendly type UV solidification glues
The preparation method of glutinous agent.
The technical solution adopted by the present invention is：A kind of environment-friendly type UV curing adhesives, including prepolymer, reactive diluent A,
Photoinitiator and reactive diluent B, 60-70 portions of prepolymer, 10-15 parts of photoinitiator, are lived at A10-20 parts of reactive diluent
B0.5-10 parts of diluent of property；The prepolymer is modified epoxy acrylic ester, and the reactive diluent A is hydroxyethyl methacrylate
Ethyl ester, the photoinitiator are 2,2- dimethyl-alpha-hydroxyacetophenone, and the reactive diluent B is trimethylolpropane tris
Acrylate.
Preferably, 65 parts of prepolymer, A15 parts of reactive diluent, 12.5 parts of photoinitiator, B7.5 parts of reactive diluent.
Further, the modified epoxy acrylic ester preparation method is to use substance proportioning for 0.1：1 succinic acid with
Epoxy resin reacts the intermediate product of synthesizing epoxy base sealing end, and the intermediate product of the epoxy radicals end-blocking reacts life with acrylic acid again
At modified epoxy acrylic ester prepolymer.
Further, the succinic acid and epoxy resin reaction temperature are 90 DEG C, increase succinic acid and ring in reaction process
The catalyst triphenyl phosphorus of oxygen resin gross mass 1%.
Further, the intermediate product of the epoxy radicals end-blocking and acrylic acid reaction temperature are 105 DEG C, are increased in reaction process
Add the polymerization inhibitor p-hydroxyanisole of acrylic acid quality 2%.
The present invention also provides a kind of preparation methods of environment-friendly type UV curing adhesives, include the following steps：
(1) prepolymer, reactive diluent A are added in blender, in the state of 400-600r/min, stirring
40-60min obtains premix；
(2) photoinitiator and reactive diluent B are added into premix, in the state of 200-300r/min, continues
40-60min is stirred, mixture is obtained；
(3) it after mixture being vacuumized complete deaeration, is filtered with 80 mesh filter screens, obtains finished product.
The present invention is beneficial to be had technical effect that：
1. the curing rate of the present invention is cost-effective soon, continue working can be carried out after instantaneous solidification immediately, without power consumption plus
Heat carries out the acceleration solidification of solvent adhesive, and photoinitiator 2 of the present invention, 2- dimethyl-a- hydroxy acetophenone optimal proportions are 10-
15 parts, because when photoinitiator dosage is less, receive ultraviolet light, the primary group of free radicals concentration of generation increases, to solid
Change speed to accelerate, when initiator amount is larger, although a large amount of primary group of free radicals can be generated, be sent out between excessive free radicals
Raw " cage wall effect ", trigger rate and initiator concentration are directly proportional, and rate of polymerization is then proportional to the square root of initiator concentration,
After initiator concentration is more than a certain value, rate of polymerization is much unable to catch up with trigger rate, causes between excessive living radical
It is combined with each other, effective living radical concentration is made to reduce ", therefore with the increase of photoinitiator concentration, trigger rate first increases
Add, when reaching a certain concentration, if being further added by the amount of initiator, trigger rate can reduce instead.
2. the present invention is environment-protecting and non-poisonous harmless, wherein used prepolymer, reactive diluent and initiator all meet environmental protection
It is harmless, non-toxic, it is harmless, heavy metal is free of, and meet the newest RoHS2.0 of electronic product and Halogen standard etc. to want
It asks.
3. the existing diluting effect of reactive diluent of the present invention, and crosslinking effect, can influence the final performance of solidified glue film,
Consider that factors, the reactive diluents of the present invention such as compatibility, the drop viscosity efficiency of prepolymer are implemented in combination with ray velocity most with prepolymer
High, drop sticks best, the nontoxic effect of efficiency, and the compliance of coating can be improved after photocuring.
4. the environment-friendly type UV curing adhesives flexibility of the present invention is good, adhesion strength is high.
Specific implementation mode
The content that the present invention is furture elucidated with reference to embodiments, but the present invention is not restricted to the model of following examples
It encloses.
Embodiment 1
A kind of environment-friendly type UV curing adhesives, including prepolymer, reactive diluent A, photoinitiator and reactive diluent B,
60 parts of prepolymer, A20 parts of reactive diluent, 10 parts of photoinitiator, B10 parts of reactive diluent；Prepolymer is modified epoxy propylene
Acid esters, reactive diluent A are hydroxyethyl methacrylate, photoinitiator 2,2- dimethyl-alpha-hydroxyacetophenone, activity
Diluent B is trimethylolpropane trimethacrylate.
Modified epoxy acrylic ester preparation method is to use substance proportioning for 0.1：1 succinic acid reacts conjunction with epoxy resin
At the intermediate product of epoxy radicals end-blocking, succinic acid is 90 DEG C with epoxy resin reaction temperature, increase in reaction process succinic acid with
The catalyst triphenyl phosphorus of epoxy resin gross mass 1%；The intermediate product of epoxy radicals end-blocking reacts generation with acrylic acid and is modified again
Epoxy acrylic ester prepolymer, intermediate product and the acrylic acid reaction temperature of epoxy radicals end-blocking are 105 DEG C, are increased in reaction process
The polymerization inhibitor p-hydroxyanisole of acrylic acid quality 2%.
The preparation method of the present embodiment environment-friendly type UV curing adhesives, includes the following steps：
(1) prepolymer, reactive diluent A are added in blender, in the state of 400-600r/min, stirring
40-60min obtains premix；
(2) photoinitiator and reactive diluent B are added into premix, in the state of 200-300r/min, continues
40-60min is stirred, mixture is obtained；
(3) it after mixture being vacuumized complete deaeration, is filtered with 80 mesh filter screens, obtains finished product.
Embodiment 2
A kind of environment-friendly type UV curing adhesives, including prepolymer, reactive diluent A, photoinitiator and reactive diluent B,
70 parts of prepolymer, A10 parts of reactive diluent, 15 parts of photoinitiator, B5 parts of reactive diluent；Prepolymer is modified epoxy acrylic acid
Ester, reactive diluent A be hydroxyethyl methacrylate, photoinitiator 2,2- dimethyl-alpha-hydroxyacetophenone, activity it is dilute
It is trimethylolpropane trimethacrylate to release agent B.
Modified epoxy acrylic ester preparation method is to use substance proportioning for 0.1：1 succinic acid reacts conjunction with epoxy resin
At the intermediate product of epoxy radicals end-blocking, succinic acid is 90 DEG C with epoxy resin reaction temperature, increase in reaction process succinic acid with
The catalyst triphenyl phosphorus of epoxy resin gross mass 1%；The intermediate product of epoxy radicals end-blocking reacts generation with acrylic acid and is modified again
Epoxy acrylic ester prepolymer, intermediate product and the acrylic acid reaction temperature of epoxy radicals end-blocking are 105 DEG C, are increased in reaction process
The polymerization inhibitor p-hydroxyanisole of acrylic acid quality 2%.
The preparation method of the present embodiment environment-friendly type UV curing adhesives, includes the following steps：
(1) prepolymer, reactive diluent A are added in blender, in the state of 400-600r/min, stirring
40-60min obtains premix；
(2) photoinitiator and reactive diluent B are added into premix, in the state of 200-300r/min, continues
40-60min is stirred, mixture is obtained；
(3) it after mixture being vacuumized complete deaeration, is filtered with 80 mesh filter screens, obtains finished product.
Embodiment 3
A kind of environment-friendly type UV curing adhesives, including prepolymer, reactive diluent A, photoinitiator and reactive diluent B,
70 parts of prepolymer, A17 parts of reactive diluent, 12.5 parts of photoinitiator, B0.5 parts of reactive diluent；Prepolymer is modified epoxy third
Olefin(e) acid ester, reactive diluent A are hydroxyethyl methacrylate, photoinitiator 2,2- dimethyl-alpha-hydroxyacetophenone, work
Property diluent B be trimethylolpropane trimethacrylate.
Modified epoxy acrylic ester preparation method is to use substance proportioning for 0.1：1 succinic acid reacts conjunction with epoxy resin
At the intermediate product of epoxy radicals end-blocking, succinic acid is 90 DEG C with epoxy resin reaction temperature, increase in reaction process succinic acid with
The catalyst triphenyl phosphorus of epoxy resin gross mass 1%；The intermediate product of epoxy radicals end-blocking reacts generation with acrylic acid and is modified again
Epoxy acrylic ester prepolymer, intermediate product and the acrylic acid reaction temperature of epoxy radicals end-blocking are 105 DEG C, are increased in reaction process
The polymerization inhibitor p-hydroxyanisole of acrylic acid quality 2%.
The preparation method of the present embodiment environment-friendly type UV curing adhesives, includes the following steps：
(1) prepolymer, reactive diluent A are added in blender, in the state of 400-600r/min, stirring
40-60min obtains premix；
(2) photoinitiator and reactive diluent B are added into premix, in the state of 200-300r/min, continues
40-60min is stirred, mixture is obtained；
(3) it after mixture being vacuumized complete deaeration, is filtered with 80 mesh filter screens, obtains finished product.
Embodiment 4
A kind of environment-friendly type UV curing adhesives, including prepolymer, reactive diluent A, photoinitiator and reactive diluent B,
65 parts of prepolymer, A15 parts of reactive diluent, 12.5 parts of photoinitiator, B7.5 parts of reactive diluent；Prepolymer is modified epoxy third
Olefin(e) acid ester, reactive diluent A are hydroxyethyl methacrylate, photoinitiator 2,2- dimethyl-alpha-hydroxyacetophenone, work
Property diluent B be trimethylolpropane trimethacrylate.
Modified epoxy acrylic ester preparation method is to use substance proportioning for 0.1：1 succinic acid reacts conjunction with epoxy resin
At the intermediate product of epoxy radicals end-blocking, succinic acid is 90 DEG C with epoxy resin reaction temperature, increase in reaction process succinic acid with
The catalyst triphenyl phosphorus of epoxy resin gross mass 1%；The intermediate product of epoxy radicals end-blocking reacts generation with acrylic acid and is modified again
Epoxy acrylic ester prepolymer, intermediate product and the acrylic acid reaction temperature of epoxy radicals end-blocking are 105 DEG C, are increased in reaction process
The polymerization inhibitor p-hydroxyanisole of acrylic acid quality 2%.
The preparation method of the present embodiment environment-friendly type UV curing adhesives, includes the following steps：
(1) prepolymer, reactive diluent A are added in blender, in the state of 400-600r/min, stirring
40-60min obtains premix；
(2) photoinitiator and reactive diluent B are added into premix, in the state of 200-300r/min, continues
40-60min is stirred, mixture is obtained；
(3) it after mixture being vacuumized complete deaeration, is filtered with 80 mesh filter screens, obtains finished product.
The performance of the environment-friendly type UV curing adhesives provided respectively embodiment 1,2,3,4 is tested, and comparative example is general
Logical UV curing adhesives.
(1) curing rate is tested
Take the environment-friendly type UV curing adhesives and the common UV of comparative example of a small amount of above-described embodiment 1~4 solid respectively with dropper
Change adhesive, drop coating is on 4 inches of glass substrate or silicon wafer substrate, using film applicator by glue drawout, glue thickness control
In 200-600 microns, the substrate for being coated with glue is put into the EVG610 litho machines of EVGGROUP companies of the U.S. carry out it is ultraviolet
It exposes (365nm length ultraviolet light, power 18mJ/cm2), will be set as the time for exposure 3 seconds, it is solid that substrate observation glue is taken out after exposure
Change situation, gradually increases by 1 second again if not being fully cured, until glue is fully cured, measure glue hardening time.Wherein glue is
The no criterion being fully cured is to use hardboard or plastics to touch positive and negative two surface of ultra-violet curing film without generating any meat
The visible adhesion coating of eye is to be fully cured.It is as shown in table 1 below finally to measure each embodiment and comparative example hardening time.
Table 1 is curing rate test result
| Group | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Comparative example |
| The time is fully cured | 8s | 6s | 7s | 5s | 12s |
As can be seen from the above results, environment-friendly type UV curing adhesive hardening times of the invention within ten seconds, Gu
Change speed and is substantially better than common UV curing adhesives in the prior art.
(2) smell is tested
It is as shown in table 2 below to measure each embodiment and comparative example smell.
Table 2 is smell test result
As can be seen from the above results, environment-friendly type UV curing adhesive properties of the invention are excellent, and volatility pole
Low or non-volatility is better than common UV curing adhesives in the prior art.
(3) viscosity test
Using -4 viscosmeters are applied, each embodiment and comparative example test solution is poured into viscosimeter at 40 DEG C, while on the other hand
Finger blocks tap hole, scrapes in viscosimeter edge groove extra sample with glass bar, puts Moritsugu Cup well, then put finger
It opens, sample vertically flows out, while starting stopwatch, and test solution outflow stops stopwatch at lines immediately upon opening, and sample is from viscosimeter
The All Time of outflow, the as viscosity of sample, unit are the second.Finally measure each embodiment and comparative example viscosity such as the following table 3 institute
Show.
Table 3 is viscosity test results
| Group | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Comparative example |
| Viscosity | 36S | 40S | 38S | 35S | 47s |
As can be seen from the above results, environment-friendly type UV solidification adhesivenesses of the invention are better than common UV in the prior art
Curing adhesive.
(4) flexibility is tested
According to national GB1732-79, the tinplate for being coated with paint film is cut into the sample of 25mm*120mm*0.2~0.3mm
Item, paint film upward, are bent 180 on the mandrel rod as defined in product standard, the bending time is 2~3s, then with 4 times of amplification sem observations
It phenomena such as whether having reticulate pattern, crackle and peeling off, is bent on the mandrel rod of different-diameter without causing paint film to destroy most with model
The diameter of small mandrel rod indicates.It is as shown in table 4 below finally to measure each embodiment and comparative example flexibility.
Table 4 is flexibility test result
| Group | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Comparative example |
| Flexibility | 1.5mm | 1.8mm | 1.7mm | 2mm | 0.5mm |
As can be seen from the above results, environment-friendly type UV curing adhesive flexibilities of the invention are better than in the prior art general
Logical UV curing adhesives.
(5) tensile property is tested
Using ZwickZ010 type tensile testing machines, Japanese Shimadzu Corporation's production.According to 4.1 defined dumbbells in GB/T528
1 type cuts out sample, is tested according to 8.2.2 in GB/T16777-1997, and it is 10mm/min to draw high speed.Tensile strength calculation is public
Formula：σ t=P/ (bd), wherein σ t are tensile strength, units MPa；P is peak load, unit N；B is specimen width, unit mm；b
For style thickness, unit mm.It is as shown in table 5 below finally to measure each embodiment and comparative example tensile strength.
Table 5 is tensile property test result
| Group | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Comparative example |
| Tensile strength | 17.50MPa | 19.52MPa | 18.23MPa | 20.25MPa | 12.25MPa |
As can be seen from the above results, environment-friendly type UV curing adhesive tensile strengths of the invention are better than in the prior art
Common UV curing adhesives.
(6) adhesive force is tested
According to the adhesive force of GB/T9286-88 paint films drawn lattice experimental method and measure cured film, it is divided into 6 grades (0-5), 0 grade
Preferably, 5 grades it is worst.It is as shown in table 6 below finally to measure each embodiment and comparative example adhesive force rank.
Table 6 is adhesive force test result
| Group | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Comparative example |
| Rank | 0 grade | 0 grade | 0 grade | 0 grade | 1 grade |
As can be seen from the above results, environment-friendly type UV curing adhesive adhesive force of the invention is better than in the prior art general
Logical UV curing adhesives.
The technical concepts and features of embodiment of above only to illustrate the invention, its object is to allow be familiar with technique
People understands present disclosure and is implemented, and it is not intended to limit the scope of the present invention, all according to spirit of that invention
The equivalent change or modification that essence is done should all cover within the scope of the present invention.
Claims (6)
1. a kind of environment-friendly type UV curing adhesives, including prepolymer, reactive diluent A, photoinitiator and reactive diluent B,
It is characterized in that：Described prepolymer 60-70 parts, it is reactive diluent A10-20 parts described, photoinitiator 10-15 parts described, described
B0.5-10 parts of reactive diluent；The prepolymer is modified epoxy acrylic ester, and the reactive diluent A is methacrylic acid
Hydroxyl ethyl ester, the photoinitiator are 2,2- dimethyl-alpha-hydroxyacetophenone, and the reactive diluent B is trimethylolpropane
Triacrylate.
2. a kind of environment-friendly type UV curing adhesives, including prepolymer, reactive diluent A, photoinitiator and reactive diluent B,
It is characterized in that：65 parts of the prepolymer, reactive diluent A15 parts described, 12.5 parts of the photoinitiator, the reactive diluent
B7.5 parts.
3. environment-friendly type UV curing adhesives according to claim 1 or 2, it is characterised in that：The modified epoxy acrylic acid
Ester preparation method is to use substance proportioning for 0.1：The intermediate production of 1 succinic acid and epoxy resin reaction synthesizing epoxy base sealing end
Object, the intermediate product of the epoxy radicals end-blocking is reacted with acrylic acid again generates modified epoxy acrylic ester prepolymer.
4. environment-friendly type UV curing adhesives according to claim 3, it is characterised in that：The succinic acid and epoxy resin are anti-
It is 90 DEG C to answer temperature, increases the catalyst triphenyl phosphorus of succinic acid and epoxy resin gross mass 1% in reaction process.
5. environment-friendly type UV curing adhesives according to claim 4, it is characterised in that：The intermediate production of the epoxy radicals end-blocking
Object is 105 DEG C with acrylic acid reaction temperature, increases the polymerization inhibitor p-hydroxyanisole of acrylic acid quality 2% in reaction process.
6. the preparation method of the environment-friendly type UV curing adhesives according to any one of claim 1,2,4 or 5, feature
It is：Include the following steps：
(1) prepolymer, reactive diluent A are added in blender, in the state of 400-600r/min, stir 40-
60min obtains premix；
(2) photoinitiator is added into premix and reactive diluent B continues to stir in the state of 200-300r/min
40-60min obtains mixture；
(3) it after mixture being vacuumized complete deaeration, is filtered with 80 mesh filter screens, obtains finished product.
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| CN201810255271.XA CN108359400A (en) | 2018-03-22 | 2018-03-22 | A kind of environment-friendly type UV curing adhesives and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190148669A1 (en) * | 2017-11-10 | 2019-05-16 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Package structure, packaging method and electronic device |
| CN114686141A (en) * | 2020-12-31 | 2022-07-01 | Oppo广东移动通信有限公司 | Adhesive, application method thereof, shell assembly and electronic equipment |
| CN115806769A (en) * | 2022-12-08 | 2023-03-17 | 成都展辰涂料有限公司 | Excimer UV coating material and preparation method thereof |
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| CN102477245A (en) * | 2010-11-26 | 2012-05-30 | 湖南晟通科技集团有限公司 | Ultraviolet light curing anticorrosion paint and its preparation method |
| CN104356885A (en) * | 2014-10-25 | 2015-02-18 | 重庆市旭星化工有限公司 | Synthetic method of epoxy acrylic type photosensitive coating |
| CN107353854A (en) * | 2017-07-14 | 2017-11-17 | 东莞市纳利光学材料有限公司 | A kind of OCA optical cements and OCA optical adhesive films |
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| CN102477245A (en) * | 2010-11-26 | 2012-05-30 | 湖南晟通科技集团有限公司 | Ultraviolet light curing anticorrosion paint and its preparation method |
| CN104356885A (en) * | 2014-10-25 | 2015-02-18 | 重庆市旭星化工有限公司 | Synthetic method of epoxy acrylic type photosensitive coating |
| CN107353854A (en) * | 2017-07-14 | 2017-11-17 | 东莞市纳利光学材料有限公司 | A kind of OCA optical cements and OCA optical adhesive films |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190148669A1 (en) * | 2017-11-10 | 2019-05-16 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Package structure, packaging method and electronic device |
| US10581016B2 (en) * | 2017-11-10 | 2020-03-03 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Package structure, packaging method and electronic device |
| CN114686141A (en) * | 2020-12-31 | 2022-07-01 | Oppo广东移动通信有限公司 | Adhesive, application method thereof, shell assembly and electronic equipment |
| CN115806769A (en) * | 2022-12-08 | 2023-03-17 | 成都展辰涂料有限公司 | Excimer UV coating material and preparation method thereof |
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