CN110408350A - A kind of UV glue and preparation method thereof for encapsulation - Google Patents
A kind of UV glue and preparation method thereof for encapsulation Download PDFInfo
- Publication number
- CN110408350A CN110408350A CN201910540506.4A CN201910540506A CN110408350A CN 110408350 A CN110408350 A CN 110408350A CN 201910540506 A CN201910540506 A CN 201910540506A CN 110408350 A CN110408350 A CN 110408350A
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- China
- Prior art keywords
- glue
- porous particles
- inorganic porous
- particles object
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Classifications
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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
- C09J11/04—Non-macromolecular additives inorganic
-
- 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
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
Abstract
The present invention relates to field of display technology, more particularly to a kind of UV glue and preparation method thereof for encapsulation.The UV glue for encapsulation includes acrylic ester prepolymer, modified bisphenol A epoxy resin, reactive diluent, photoinitiator and auxiliary agent and inorganic porous particles object.
Description
Technical field
The present invention relates to field of display technology, more particularly to a kind of UV glue and preparation method thereof for encapsulation.
Background technique
With the fast development in message epoch, liquid crystal display (LCD) using more and more extensive, be increasingly becoming master
Display is flowed, is widely used on electronic equipment.A kind of important materials that UV glue makes as liquid crystal display, in LCD industry
In play key effect.But UV glue is organic material, molecular gap is larger after solidification, and steam is easier to penetrate with oxygen
Medium reaching inwards sealing area.Since OLED device is very sensitive to steam, oxygen, so being encapsulated using UV glue.
Summary of the invention
In view of the deficiencies of the prior art, the UV glue and preparation method thereof that the present invention provides a kind of for encapsulation.
According to an aspect of the present invention, a kind of UV glue for encapsulation is provided, the UV glue includes acrylate prepolymer
Object, modified bisphenol A epoxy resin, reactive diluent, photoinitiator and auxiliary agent and inorganic porous particles object.
According to embodiment of the present invention, the inorganic porous particles object is transparent or semitransparent material.
According to embodiment of the present invention, the inorganic porous particles object is the sinter of silica and aluminium oxide
Body has excellent adsorption function to steam and oxygen.
According to embodiment of the present invention, the inorganic porous particles object be selected from one of molecular sieve and silica gel or
More than one.
According to embodiment of the present invention, molecular sieve can selected from SSZ-13, SSZ-39A, Beta, RUB-13,
ZSM-12, ZSM-23, MCM-68, X-type, Y type, M type, ZSM-5 type etc.；Silica gel can be selected from TX-PM20, TX-PM30, TX-
PM40, TX-PM50, TX-PM60, TX-PM70, TX-PM80 etc..
According to embodiment of the present invention, the partial size of the inorganic porous particles object is between 0.05~2 μm.
According to embodiment of the present invention, the inorganic porous particles object is little relative to the weight ratio of the UV glue
In 10%.
According to embodiment of the present invention, the inorganic porous particles object is relative to the weight ratio of the UV glue
6%-10%.
According to embodiment of the present invention, the inorganic porous particles object is relative to the weight ratio of the UV glue
0.05%~10%.
According to embodiment of the present invention, the acrylic ester prepolymer is dendroid and/or spherical.
According to embodiment of the present invention, the UV glue further includes inorganic material.
According to embodiment of the present invention, the inorganic material be selected from one of glass powder, white carbon black, titanium dioxide or
More than one.
Inorganic material plays the function in filling organic matter gap.
According to embodiment of the present invention, the UV glue includes following components by weight percentage:
According to another aspect of the present invention, the preparation method of UV glue according to the present invention is provided, comprising the following steps:
S101: acrylic ester prepolymer is mixed with modified bisphenol A epoxy resin, obtains resin compound a；
S102: inorganic porous particles object is mixed with the resin compound a, is dispersed, the mixture of stably dispersing is obtained
b；
S103: the mixture b of the stably dispersing is mixed with reactive diluent, photoinitiator, auxiliary agent, obtains the UV
Glue.
According to embodiment of the present invention, step S102 is carried out in environment of the relative humidity less than 10%.
According to embodiment of the present invention, in step S102, the mode of the dispersion is roll-in dispersion.
According to embodiment of the present invention, in step S103, the mixed mode is stirred for negative pressure.Pass through
Negative pressure stirring, can remove the bubble generated in mixed process.
The invention has the following advantages:
The present invention is added to inorganic porous particles object in UV glue, and inorganic porous particles object has stronger Vapor adsorption energy
Power and certain Oxygen Adsorption function, can not only fill the gap between organic matter strand, but also can pass through chemical bond
Conjunction mode adsorbed water molecule and oxygen molecule, effectively prevent and absorption is through the moisture and oxygen in polymer gap, delay to permeate,
To reduce the steam and oxygen through medium reaching inwards sealing area, the service life of prolonged display part.
UV glue of the invention is due to having used dendroid or spherical acrylic ester prepolymer, and UV curing rate is fast, viscosity
It can easily be accommodated, crosslink density height, and there is good flexible and toughness after solidifying, anti-extrusion ability is strong, high temperature resistant expansion；Change
Property bisphenol A epoxide resin further make UV glue of the invention have good anti-contracility, do not whitened using rear glue, acid and alkali-resistance
Property and ageing resistance enhancing, especially impact and the transparency tool increases significantly, chemical-resistance is good, is unlikely to deform, and its
It is coated with shape and storage stability is excellent, when use is not influenced by weather, humidity.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with embodiment to this hair
Bright technical solution is clearly and completely described.
The UV glue and preparation method thereof that the present invention provides a kind of for encapsulation.
According to an aspect of the present invention, a kind of UV glue for encapsulation is provided, the UV glue includes acrylate prepolymer
Object, modified bisphenol A epoxy resin, reactive diluent, photoinitiator and auxiliary agent and inorganic porous particles object.
Inorganic porous particles object has the function of stronger Vapor adsorption ability and certain Oxygen Adsorption, can not only fill
Gap between organic molecule chain, and can adsorbed water molecule and oxygen molecule, effective prevention by way of chemical bonding
The moisture and oxygen that polymer gap is penetrated with absorption, delay to permeate, to reduce through medium reaching inwards sealing area
Steam and oxygen, the service life of prolonged display part.
UV glue of the invention is due to having used dendroid or spherical acrylic ester prepolymer, and UV curing rate is fast, viscosity
It can easily be accommodated, crosslink density height, and there is good flexible and toughness after solidifying, anti-extrusion ability is strong, high temperature resistant expansion；Change
Property bisphenol A epoxide resin further make UV glue of the invention have good anti-contracility, do not whitened using rear glue, acid and alkali-resistance
Property and ageing resistance enhancing, especially impact and the transparency tool increases significantly, chemical-resistance is good, is unlikely to deform, and its
It is coated with shape and storage stability is excellent, when use is not influenced by weather, humidity.
According to embodiment of the present invention, the inorganic porous particles object is transparent or semitransparent material.
According to embodiment of the present invention, the inorganic porous particles object is the sinter of silica and aluminium oxide
Body has excellent adsorption function to steam and oxygen.
According to embodiment of the present invention, the inorganic porous particles object be selected from one of molecular sieve and silica gel or
More than one.
According to embodiment of the present invention, molecular sieve can selected from SSZ-13, SSZ-39A, Beta, RUB-13,
ZSM-12, ZSM-23, MCM-68, X-type, Y type, M type, ZSM-5 type etc.；Silica gel can be selected from TX-PM20, TX-PM30, TX-
PM40, TX-PM50, TX-PM60, TX-PM70, TX-PM80 etc..
According to embodiment of the present invention, the partial size of the inorganic porous particles object is between 0.05~2 μm.
According to embodiment of the present invention, the inorganic porous particles object is little relative to the weight ratio of the UV glue
In 10%.According to embodiment of the present invention, the inorganic porous particles object relative to the UV glue weight ratio such as
It can be 1%, 1.5%, 2%, 2.5%, 3%, 4%, 5%, 5.5%, 6%, 7%, 7.5%, 8%, 9%, 10% etc..According to
An embodiment of the invention, the inorganic porous particles object are 6%-10% relative to the weight ratio of the UV glue.
When the inorganic porous particles object is greater than 10% relative to the weight ratio of the UV glue, the adhesiveness of UV glue can drop
It is low.
According to embodiment of the present invention, the inorganic porous particles object is relative to the weight ratio of the UV glue
0.05%~10%.
According to embodiment of the present invention, the acrylic ester prepolymer is dendroid and/or spherical.
According to embodiment of the present invention, the acrylic ester prepolymer is dendroid and spherical.Dendroid propylene
The ratio of both acid esters and spherical prepolymer is adjustable, and when the ratio difference of the two, the viscosity of UV glue can also become
Change.
According to embodiment of the present invention, the dendroid or spherical acrylic ester prepolymer be SP1106,
One of AS2010, AS3500, EA2235, EA2259, EA2280, HR6042 or more than one.
According to embodiment of the present invention, modified bisphenol A epoxy resin is by K, Na, Mg metal mixed powder and double
The raw material mixing of phenol A type epoxy resin, hexahydrophthalic acid bisglycidyl ester epoxy resin, 80-85 DEG C of heating water bath anti-
It answers obtained.The mass ratio of the dosage of metal mixed powder and the sum of the dosage of two kinds of epoxy resin is 1:(50-70).
According to embodiment of the present invention, the reactive diluent can be polyfunctional monomer, such as TMPTA,
SR399, SR499 etc..
According to embodiment of the present invention, the photoinitiator is Irgacure, 4265 Irgacure, 184
Irgacure、250 Irgacure、369 Irgacure、379 Irgacure、651 Irgacure、754 Irgacure、819
Irgacure, 2022 Irgacur, diazonium salt, diaryl iodonium salt, triaryl sulfonium salts, alkyl sulfosalt, in iron arene salt
One or more.
According to embodiment of the present invention, the auxiliary agent includes levelling agent, defoaming agent.
According to embodiment of the present invention, the levelling agent is 066N, A530, BYK-320, BYK-322, BYK-
323, one of BYK-325N, BYK-326, BYK-330, BYK-331, BYK-332, BYK-333 or more than one.
According to embodiment of the present invention, the defoaming agent be BYK-021, BYK-011, BYK-012, BYK-014,
One in BYK-015, BYK-016, BYK-017, BYK-018, BYK-019, BYK-021,6800,141, KV-352 and KV-354
Kind or more than one.
According to embodiment of the present invention, the UV glue further includes inorganic material.
According to embodiment of the present invention, the inorganic material be selected from one of glass powder, white carbon black, titanium dioxide or
More than one.
In the present invention, inorganic material plays the function in filling organic matter gap.
According to embodiment of the present invention, the UV glue includes following components by weight percentage:
According to embodiment of the present invention, the UV glue includes following components by weight percentage:
According to another aspect of the present invention, the preparation method of UV glue according to the present invention is provided, comprising the following steps:
S101: acrylic ester prepolymer is mixed with modified bisphenol A epoxy resin, obtains resin compound a；
S102: inorganic porous particles object is mixed with the resin compound a, is dispersed, the mixture of stably dispersing is obtained
b；
S103: the mixture b of the stably dispersing is mixed with reactive diluent, photoinitiator, auxiliary agent, obtains the UV
Glue.
When UV glue further includes inorganic material, the preparation method of UV glue, comprising the following steps:
S101: acrylic ester prepolymer is mixed with modified bisphenol A epoxy resin, obtains resin compound a；
S102: inorganic porous particles object, inorganic material are mixed with the resin compound a, dispersed, stably dispersing is obtained
Mixture b；
S103: the mixture b of the stably dispersing is mixed with reactive diluent, photoinitiator, auxiliary agent, obtains the UV
Glue.
According to embodiment of the present invention, step S102 is carried out in environment of the relative humidity less than 10%.
According to embodiment of the present invention, in step S102, the mode of the dispersion is roll-in dispersion.
According to embodiment of the present invention, in step S103, the mixed mode is stirred for negative pressure.Pass through
Negative pressure stirring, can remove the bubble generated in mixed process.
An example of the present invention is given below and comparative example.
UV glue in embodiment the preparation method comprises the following steps:
Acrylic ester prepolymer is mixed with modified bisphenol A epoxy resin, obtains resin compound a；
Inorganic porous particles object is mixed with resin compound a, is dispersed, the mixture b of stably dispersing is obtained；
The mixture b of stably dispersing is mixed with reactive diluent, photoinitiator, auxiliary agent, obtains UV glue.
The difference of the preparation method of UV glue in the preparation method and embodiment of UV glue in comparative example is only that will wherein
Inorganic porous particles object replace with corresponding other materials.
Evaluation method:
1, apparent transparency: the coating of 10cm*10cm glass surface, 2 microns of film thickness after solidification are surveyed with chromascope (OTSUKA)
Try transmitance；
2, curing time: 18mj/cm2Under illumination, evaluated according to the film hardening time；
3, it viscosity: is measured using Brookfield rotational viscometer DV2TLV；
4, it shear strength: is tested by QJ1634A standard；
5, it strength of glass: is tested with BLD-B electronic stripping tester；
6, surface drying: UV cured film is contacted and is observed；Surface drying bad product when contacting to it, has obvious
Fingerprint.
7, water-resisting property: UV glue is coated on surface, filter paper diameter 60mm, spin coating revolving speed 2000rpm, gluing filter paper is consolidated
It is stand-by after change；Using special container, the built-in desiccant weighed is sealed with gluing filter paper, is placed in 40 DEG C of temperature, relative humidity
In 90% environment, 240 hours are stood, weight before and after comparison desiccant, the difference of weight is as evaluation criterion.
Water-resisting property is good: weight essentially unchangedization, is no more than 0.01%；Water-resisting property is poor: weight, which increases, is greater than 0.01%.
[table 1]
The amount of each component is the weight percent of the total weight relative to UV glue in table 1.
[table 2]
[table 3]
The difference of comparative example 1 and embodiment 1 is only that without inorganic porous particles object, it can be seen from table 2 and table 3 pair
Water-resisting property significance difference of the water-resisting property of ratio 1 than embodiment 1.
The difference of comparative example 2 and comparative example 1 is to have adjusted the proportion of resin and monomer, and inventor's trial properly increases list
The content of body to improve the density of UV glue, as a result, it has been found that, water isolating can not be made to get a promotion after improving content of monomer.
The difference of comparative example 3 and embodiment 1, which is only that, replaces with glass powder for the SSZ-13 in embodiment 1, with 1 phase of embodiment
Than the water-resisting property of comparative example 3 is poor.
The difference of comparative example 4 and embodiment 1, which is only that, replaces with white carbon black for the SSZ-13 in embodiment 1, with embodiment 1
It compares, the water-resisting property of comparative example 4 is poor.
The difference of comparative example 5 and comparative example 3 is only that glass powder content is 13%, by improving the content of glass powder, water-resisting property
It can improve, but peel strength is deteriorated.
The difference of comparative example 6 and comparative example 3 is only that glass powder content is 6%, by reducing the content of glass powder, water isolating
Become worse.
Simultaneously containing 1% inorganic porous particles and 6% glass powder content in the embodiment of the present invention 9, water isolating is good.
By comparison, the UV glue according to the present invention of content 7-9% inorganic porous particles object is added, dispersion performance is stablized,
Shear strength and peel strength meet the encapsulation requirement of LCD and OLED product, and water isolating is excellent.
Claims (10)
1. a kind of UV glue for encapsulation, which is characterized in that the UV glue includes acrylic ester prepolymer, modified bisphenol A epoxy
Resin, reactive diluent, photoinitiator and auxiliary agent and inorganic porous particles object.
2. UV glue according to claim 1, which is characterized in that the inorganic porous particles object is silica and aluminium oxide
Sintering crystal.
3. UV glue according to claim 1, which is characterized in that the inorganic porous particles object is in molecular sieve and silica gel
One or more.
4. UV glue according to claim 1, which is characterized in that the partial size of the inorganic porous particles object is at 0.05~2 μm
Between.
5. UV glue according to claim 1, which is characterized in that weight of the inorganic porous particles object relative to the UV glue
Amount is than being not more than 10%.
6. UV glue according to claim 1, which is characterized in that the UV glue further includes inorganic material.
7. UV glue according to claim 6, which is characterized in that the inorganic material is in glass powder, white carbon black, titanium dioxide
One or more.
8. UV glue according to claim 1, which is characterized in that the UV glue includes by weight percentage with the following group
Point:
9. the preparation method of UV glue as claimed in any one of claims 1 to 8, which comprises the following steps:
S101: acrylic ester prepolymer is mixed with modified bisphenol A epoxy resin, obtains resin compound a；
S102: inorganic porous particles object is mixed with the resin compound a, is dispersed, the mixture b of stably dispersing is obtained；
S103: the mixture b of the stably dispersing is mixed with reactive diluent, photoinitiator, auxiliary agent, obtains the UV glue.
10. preparation method according to claim 9, which is characterized in that step S102 is in ring of the relative humidity less than 10%
It is carried out in border.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910540506.4A CN110408350A (en) | 2019-06-21 | 2019-06-21 | A kind of UV glue and preparation method thereof for encapsulation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910540506.4A CN110408350A (en) | 2019-06-21 | 2019-06-21 | A kind of UV glue and preparation method thereof for encapsulation |
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Family
ID=68359474
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Cited By (2)
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| CN111087932A (en) * | 2019-12-06 | 2020-05-01 | 王景泉 | UV (ultraviolet) texture adhesive for 3D composite board mobile phone shell and preparation method thereof |
| CN113563810A (en) * | 2021-08-24 | 2021-10-29 | 天津派森新材料技术有限责任公司 | UV (ultraviolet) adhesive for packaging and preparation method thereof |
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| CN113563810A (en) * | 2021-08-24 | 2021-10-29 | 天津派森新材料技术有限责任公司 | UV (ultraviolet) adhesive for packaging and preparation method thereof |
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