CN108300391A - A kind of double-component cold curing transparent epoxy glue of color inhibition and preparation method thereof - Google Patents
A kind of double-component cold curing transparent epoxy glue of color inhibition and preparation method thereof Download PDFInfo
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- CN108300391A CN108300391A CN201810104713.0A CN201810104713A CN108300391A CN 108300391 A CN108300391 A CN 108300391A CN 201810104713 A CN201810104713 A CN 201810104713A CN 108300391 A CN108300391 A CN 108300391A
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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
-
- 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
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/50—Amines
- C08G59/5026—Amines cycloaliphatic
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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
-
- 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
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
-
- 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
Abstract
The invention discloses a kind of double-component cold curing transparent epoxy glue of color inhibition, are made of composition A and composition B；Wherein, composition A and composition B with mass ratio for 2：1 ratio mixing；The composition A is made of the following components being calculated in mass percent：Epoxy resin 88.0% 92.0%, antigassing additive 0.3% 1.0%, antioxidant 4.0% 6.0%, benzyl alcohol 3.0% 7.0%；The composition B is made of the following components being calculated in mass percent：Curing agent 99.0% 99.5%, epoxy resin color inhibition agent 0.5% 1.0%.The invention also discloses a kind of preparation methods of the double-component cold curing transparent epoxy glue of color inhibition.The present invention can effectively improve the yellowing resistance of epoxy glue, avoid occurring curing wraping plate problem when making charactron advertisement light emitting word board, more effectively extend the service life of charactron advertisement light emitting word board.
Description
Technical field
The present invention relates to technical field of polymer chemistry, solid more specifically to a kind of two-component room temperature of color inhibition
Change transparent epoxy glue and preparation method thereof.
Background technology
Packaging plastic applied to outdoor charactron advertisement light emitting word board is based on epoxide-resin glue, color inhibition in traditional handicraft
Better performances using heating acid anhydrides type two-component transparent epoxy glue, heating cure condition be 70 DEG C -90 DEG C/2h+90 DEG C -
110 DEG C/6-8h, time-consuming efficiency is low, and production cost is high, while being susceptible to admittedly with the increase of the size of charactron advertisement light emitting word board
Change wraping plate problem, or even when size super large, for there are certain degree-of-difficulty factors in production the problem of heating baking-curing.
Although traditional double-component cold curing epoxy glue improves the temperature of wraping plate and condition of cure, but anti-yellowing property
Difference cannot be satisfied the requirement of outdoor charactron embedding.
Invention content
For the drawbacks described above of the prior art, the purpose of the present invention is to provide a kind of double-component cold curings of color inhibition
Transparent epoxy glue improves the yellowing resistance of epoxy glue, and the appearance solidification wraping plate when making charactron advertisement light emitting word board is avoided to ask
Topic more effectively extends the service life of charactron advertisement light emitting word board.
To achieve the above object, the technical solution adopted in the present invention is as follows：
A kind of double-component cold curing transparent epoxy glue of color inhibition, is made of composition A and composition B；Wherein, it combines
Object A and composition B is with mass ratio for 2：1 ratio mixing；
The composition A is made of the following components being calculated in mass percent：Epoxy resin 88.0%-92.0%, defoaming
Additive 0.3%-1.0%, antioxidant 4.0%-6.0%, benzyl alcohol 3.0%-7.0%；
The composition B is made of the following components being calculated in mass percent：Curing agent 99.0%-99.5%, asphalt mixtures modified by epoxy resin
Fat color inhibition agent 0.5%-1.0%.
As further embodiment, epoxy resin of the present invention is bisphenol A type epoxy resin, bisphenol f type epoxy resin
One or both of mixing.
As further embodiment, antigassing additive of the present invention is the product type of BYK-Chemie GmbH productions
It is BYK-A for the defoaming copolymer and the product type of polysiloxanes mixed solvent, BYK-Chemie GmbH productions of BYK-141
The product type of 525 chemical (Tongling) Co., Ltd production of polyether-modified methylalkylpolysiloxanes copolymer solution and Bi Ke
The one of which of polymer solution number is defoamed without silicon for BYK-A 555.
As further embodiment, antioxidant of the present invention is polyphenyl phosphite ester kind antioxidant.
As further embodiment, curing agent of the present invention is modified alicyclic ring amine curing agent.
As further embodiment, epoxy resin color inhibition agent of the present invention is the compound of hindered amines and Hinered phenols
Object.
Another object of the present invention is to provide a kind of preparation methods of double-component cold curing transparent epoxy glue, by this
Method obtains a kind of high ultraviolet-resistant aging xanthochromia, heat-proof aging xanthochromia height, epoxy glue with long service life.
Concrete scheme is as follows：A kind of preparation method of the double-component cold curing transparent epoxy glue of color inhibition, including
The step of preparing composition A：Epoxy resin is preheated by formula ratio, then presses formula ratio by antigassing additive, anti-
Oxygen agent and benzyl alcohol are added in the epoxy resin of preheating, are uniformly mixed, are vacuumized with high velocity dispersators, filter, obtain group
Close object A；
The step of preparing composition B：Epoxy resin color inhibition agent is added in curing agent by formula ratio, is stirred with high speed dispersion
It mixes machine to be uniformly mixed, filtering obtains composition B；
Mixing step：When use by above-mentioned composition A and composition B according to mass ratio be 2：1 ratio mixing.
As further embodiment, in the step of composition A is prepared described in above-mentioned preparation method, epoxy resin in 80 DEG C-
120 DEG C preheat 0.5 hour.
As further embodiment, the step of composition A is prepared described in above-mentioned preparation method and the step of prepare composition B
In, it is filtered with 160 mesh filter screens.
As further embodiment, the rotating speed of high velocity dispersators described in above-mentioned preparation method is 20000 revs/min.
Compared with prior art, the invention has the advantages that：
1, double-component cold curing transparent epoxy glue of the present invention is compared with common double-component cold curing epoxy glue,
Its heat-proof aging xanthochromia and resistance to UV agings xanthochromia are had excellent performance, and greatly prolong outdoor service life；
2, double-component cold curing transparent epoxy glue antifoam performance of the present invention is good, and mobility is strong, convenient for outdoor number
The embedding of code pipe Billboard；
3, the preparation method of double-component cold curing transparent epoxy glue of the present invention passes through adding between control group point
Add mode combination high speed dispersion can obtain resistance to UV agings xanthochromia height, the high epoxy glue of heat-proof aging xanthochromia.
Description of the drawings
Fig. 1 be the LED lamp bead for being subjected to different hot UV energy aging Application Examples 1 and Comparison study example 1 light decay rate with
UV energy value change curves；Wherein curve A is the LED lamp bead light decay rate curve of Application Example 1, and curve B is Comparison study
The LED lamp bead light decay rate curve of example 1；
Fig. 2 be the LED lamp bead for being subjected to 160 DEG C of different time aging Application Examples 1 and Comparison study example 1 light decay rate with
Time changing curve figure；Wherein curve A is the LED lamp bead light decay rate curve of Application Example 1, and curve B is Comparison study example 1
LED lamp bead light decay rate curve；
Fig. 3 is photo of the LED lamp bead of Application Example 1 after the test of hot UV agings xanthochromia and the test of heat ageing xanthochromia；
Fig. 4 is photo of the LED lamp bead of Comparison study example 1 after the test of hot UV agings xanthochromia and the test of heat ageing xanthochromia.
Specific implementation mode
In the following, in conjunction with the drawings and specific embodiments, the present invention is described further.
In the present invention, if not refering in particular to, all parts, mass percent are unit of weight, used equipment and original
Material etc. is commercially available or commonly used in the art.Method in following embodiments is unless otherwise instructed this field
Conventional method.
A kind of double-component cold curing transparent epoxy glue of color inhibition, is made of composition A and composition B；Wherein, it combines
Object A and composition B is with mass ratio for 2：1 ratio mixing；
The composition A is made of the following components being calculated in mass percent：Epoxy resin 88.0%-92.0%, defoaming
Additive 0.3%-1.0%, antioxidant 4.0%-6.0%, benzyl alcohol 3.0%-7.0%；
The composition B is made of the following components being calculated in mass percent：Curing agent 99.0%-99.5%, asphalt mixtures modified by epoxy resin
Fat color inhibition agent 0.5%-1.0%.
In the present invention, epoxy resin is the main component of epoxy glue.Preferably, epoxy resin of the present invention
It is mixed for one or both of bisphenol A type epoxy resin, bisphenol f type epoxy resin.Wherein bisphenol A type epoxy resin is thermosetting
Property resin, the excellent solidfied material of multiple performance can be formed with a variety of curing agent, catalyst and additive, can almost meet various make
It is required that；Bisphenol A type epoxy resin cure when do not generate small molecule volatile matter substantially, can low pressure molding, can be dissolved in a variety of
Solvent, solidfied material have very high intensity and adhesive strength and corrosion resistance and electrical property.The characteristics of bisphenol f type epoxy resin
It is that viscosity is small, it is immersion good less than the 1/3 of bisphenol A type epoxy resin viscosity；Its condensate performance and bisphenol A type epoxy resin
It is almost the same, but heat resistance is slightly lower and corrosion resistance is slightly excellent.As further preferred scheme, the present invention is using above two
Epoxy resin mixing can reach better effect.
As further embodiment, antigassing additive of the present invention is the product type of BYK-Chemie GmbH productions
It is BYK-A for the defoaming copolymer and the product type of polysiloxanes mixed solvent, BYK-Chemie GmbH productions of BYK-141
The product type of 525 chemical (Tongling) Co., Ltd production of polyether-modified methylalkylpolysiloxanes copolymer solution and Bi Ke
The one of which of polymer solution number is defoamed without silicon for BYK-A 555.In addition to above-mentioned several preferred substances, of the invention disappears
Infusion is also an option that as the fatty acid ester compounded object of higher alcohols, polyoxyethylene polyoxypropylene pentaerythrite ether, polyoxyethylene polyoxy
The one of which or two of propyl alcohol amidogen ether, polypropylene glycerol aether, polyoxyethylene polyoxypropylene glycerin ether and dimethyl silicone polymer
Kind mixing.
As further embodiment, antioxidant of the present invention is polyphenyl phosphite ester kind antioxidant.The present invention is used
Polyphenyl phosphite ester kind antioxidant be auxiliary antioxidant, the ability with outstanding hydroperoxide decomposition is while also good
Good color and luster protective capability, the dye radical drift after capable of being aoxidized hindered phenol antioxygen are shallow, additionally it is possible to improve adding for polymer
Work temperature.
As further embodiment, curing agent of the present invention is modified alicyclic ring amine curing agent.It is of the present invention
Modified alicyclic ring amine curing agent has the advantages that color and luster is light, colour retention is good, viscosity is low, when with its cured epoxy resin, paint film
Glossiness is high, is not easy moisture absorption whiting, stink is small, can be used without curing and directly, can be in environment temperature and low-temperature setting.
As further embodiment, epoxy resin color inhibition agent of the present invention is the compound of hindered amines and Hinered phenols
Object.Hindered amine of the present invention has good inhibition, energy to the photooxidation droping reaction of high polymer and organic compound
Ultraviolet light is effectively absorbed, is the light stabilizer of a kind of function admirable, and hindered phenol is to capture peroxidating one is primary antioxidant
Free radical can inhibit the oxidative degradation of epoxy systems and prolong the service life.Synergistic effect is generated between hindered amine and hindered phenol,
Product can be made to keep its transparency and the variation of color can be inhibited, while it has ultraviolet light certain absorbability, can be improved
The antioxidant and photo and thermal stability of product can significantly improve the anti-yellowing property of epoxy systems.
Another object of the present invention is to provide a kind of preparation sides of the double-component cold curing transparent epoxy glue of color inhibition
Method obtains a kind of high ultraviolet-resistant aging xanthochromia, heat-proof aging xanthochromia height, epoxy with long service life by this method
Glue.
Concrete scheme is as follows：A kind of preparation method of double-component cold curing transparent epoxy glue, including
The step of preparing composition A：Epoxy resin is preheated by formula ratio, then presses formula ratio by antigassing additive, anti-
Oxygen agent and benzyl alcohol are added in the epoxy resin of preheating, are uniformly mixed, are vacuumized with high velocity dispersators, filter, obtain group
Close object A；
The step of preparing composition B：Epoxy resin color inhibition agent is added in curing agent by formula ratio, is stirred with high speed dispersion
It mixes machine to be uniformly mixed, filtering obtains composition B；
Mixing step：When use by above-mentioned composition A and composition B according to mass ratio be 2：1 ratio mixing.
In the above preparation method, since the oxidizable generation carbonyl of epoxy resin forms jaundice group, antioxidant is utilized
The ability of peroxynitrite decomposition compound can effectively avoid the epoxy resin when preparing composition A from turning yellow because of heating；Simultaneously in preheating
Antigassing additive and benzyl alcohol are added in epoxy resin, is uniformly mixed with high velocity dispersators, enables antigassing additive in ring
It is uniformly dispersed in oxygen resin, improves antifoam performance, avoid forming minute bubbles in solidfied material when solidification；Benzyl alcohol can be reduced effectively
Curing system viscosity increases mobility, extends the service life of material, is convenient for large-area construction, while improving operability,
The basic performance for not influencing solidfied material again, is conveniently used for the embedding of outdoor charactron Billboard.
As further embodiment, in the step of composition A is prepared described in above-mentioned preparation method, epoxy resin in 80 DEG C-
120 DEG C preheat 0.5 hour.
As further embodiment, the step of composition A is prepared described in above-mentioned preparation method and the step of prepare composition B
In, it is filtered with 160 mesh filter screens.
As further embodiment, the rotating speed of high velocity dispersators described in above-mentioned preparation method is 20000 revs/min.
The high velocity dispersators used in the present invention can not only improve the dispersion performance between each component, moreover it is possible to reduce composition A and
The viscosity of composition B.
Embodiment 1
A kind of double-component cold curing transparent epoxy glue, is prepared by the following method,
The step of preparing composition A：Bisphenol A type epoxy resin 88.5g is weighed to add poly- after 80 DEG C preheat 30 minutes
Benzene phosphite ester kind antioxidant 4g passes through 20000 revs/min after defoaming copolymer and silicone solvent 0.5g, benzyl alcohol 7g
High velocity dispersators be uniformly mixed dispersion 30 minutes after, vacuumize 10 minutes brokenly bubbles, through 160 mesh filter screens filter, be made group
Close object A.
The step of preparing composition B：Modified alicyclic ring amine curing agent 99g is weighed, epoxy resin color inhibition agent 1g is added, is led to
Cross 20000 revs/min high velocity dispersators be uniformly mixed dispersion 30 minutes after, through 160 mesh filter screens filter, be made composition
B。
Mixing step：In use, by above-mentioned composition A and composition B according to mass ratio be 2：1 ratio mixes.
Comparative example 1
A kind of double-component cold curing transparent epoxy glue, is prepared by the following method,
The step of preparing composition A：Bisphenol A type epoxy resin 92.5g is weighed to add and disappear after 80 DEG C preheat 0.5 hour
After steeping copolymer and silicone solvent 0.5g, benzyl alcohol 7g, mixed by 20000 revs/min of high velocity dispersators equal
After even dispersion 30 minutes, 10 minutes brokenly bubbles are vacuumized, are filtered through 160 mesh filter screens, composition A is made.
The step of preparing composition B：It is composition B to weigh modified alicyclic ring amine curing agent 100g.
Mixing step：In use, by above-mentioned composition A and composition B according to mass ratio be 2：1 ratio mixes.
Performance test
Application Example 1
By described in comparative example 1 composition A and composition B according to mass ratio be 2:1 ratio is uniformly mixed, de- through vacuum
It is poured into after bubble in LED lamp bead mold, 25 DEG C of room temperature places 24 hours to get to the LED lamp bead of color inhibition.
Comparison study example 1
By composition A described in embodiment 1 and composition B according to mass ratio be 2:1 ratio is uniformly mixed, de- through vacuum
It is poured into after bubble in LED lamp bead mold, 25 DEG C of room temperature places 24 hours to get to the LED lamp bead of color inhibition.
Hot UV agings xanthochromia test and heat ageing xanthochromia are carried out respectively to the LED lamp bead obtained by embodiment 1 and comparative example 1
Test.Result is referring to Fig. 3 and Fig. 4 after test.
(1) hot UV agings xanthochromia test：LED lamp bead obtained is crossed into UV irradiating machine accelerated ageings, lamp bead is surveyed and is subjected to difference
Luminous flux after UV irradiation energy aging xanthochromias, concrete outcome is referring to table 1 and Fig. 1.
Table 1
Table 1 and Fig. 1's statistics indicate that：After being subjected to different hot UV energy, the light decay rate of LED lamp bead made of embodiment 1 is small
The LED lamp bead light decay rate made of comparative example 1.
(2) heat ageing xanthochromia is tested：LED lamp bead obtained is placed in 160 DEG C of accelerated ageings, lamp bead is surveyed and is subjected to different time
Luminous flux after aging xanthochromia, concrete outcome is referring to table 2 and Fig. 2.
Table 2
Table 2 and Fig. 2's statistics indicate that：After being subjected to different time aging in 160 DEG C, LED lamp bead made of embodiment 1
Light decay rate is significantly less than LED lamp bead light decay rate made of comparative example 1.
Fig. 3's the results show that using LED lamp bead made of double-component cold curing transparent epoxy glue described in embodiment 1
After the test of overheat UV aging xanthochromias and the test of heat ageing xanthochromia, LED lamp bead is slight yellow, and figure 4, it is seen that
Using LED lamp bead made of the double-component cold curing transparent epoxy glue described in comparative example 1 through overheat UV aging xanthochromias test and
After the test of heat ageing xanthochromia, LED lamp bead obviously serious yellow.
It will be apparent to those skilled in the art that can technical solution and design as described above, make various other phases
The change and deformation answered, and all these change and deformation should all belong to the claims in the present invention protection domain it
It is interior.
Claims (10)
1. a kind of double-component cold curing transparent epoxy glue of color inhibition, which is characterized in that be made of composition A and composition B；
Wherein, composition A and composition B with mass ratio for 2：1 ratio mixing；
The composition A is made of the following components being calculated in mass percent：Epoxy resin 88.0%-92.0%, defoaming addition
Agent 0.3%-1.0%, antioxidant 4.0%-6.0%, benzyl alcohol 3.0%-7.0%；
The composition B is made of the following components being calculated in mass percent：Curing agent 99.0%-99.5%, epoxy resin are resistance to
Xanthochromia agent 0.5%-1.0%.
2. the double-component cold curing transparent epoxy glue of color inhibition as described in claim 1, which is characterized in that the asphalt mixtures modified by epoxy resin
Fat is the mixing of one or both of bisphenol A type epoxy resin, bisphenol f type epoxy resin.
3. the double-component cold curing transparent epoxy glue of color inhibition as described in claim 1, which is characterized in that the defoaming adds
Add defoaming copolymer that the product type that agent is BYK-Chemie GmbH production is BYK-141 and polysiloxanes mixed solvent,
The polyether-modified methylalkylpolysiloxanes copolymer that the product type of BYK-Chemie GmbH productions is BYK-A 525 is molten
The one of which that polymer solution is defoamed without silicon that liquid and the product type of Byk Chemie GmbH's production are BYK-A 555.
4. the double-component cold curing transparent epoxy glue of color inhibition as described in claim 1, which is characterized in that the antioxidant
For polyphenyl phosphite ester kind antioxidant.
5. the double-component cold curing transparent epoxy glue of color inhibition as described in claim 1, which is characterized in that the curing agent
For modified alicyclic ring amine curing agent.
6. the double-component cold curing transparent epoxy glue of color inhibition as described in claim 1, which is characterized in that the asphalt mixtures modified by epoxy resin
Fat color inhibition agent is the compound of hindered amines and Hinered phenols.
7. a kind of preparation method of the double-component cold curing transparent epoxy glue of color inhibition as described in claim 1, feature
It is, including
The step of preparing composition A：Epoxy resin is preheated by formula ratio, then presses formula ratio by antigassing additive, antioxidant
It is added with benzyl alcohol in the epoxy resin of preheating, is uniformly mixed, is vacuumized with high velocity dispersators, filtered, obtain composition
A；
The step of preparing composition B：Epoxy resin color inhibition agent is added in curing agent by formula ratio, uses high velocity dispersators
It is uniformly mixed, filtering obtains composition B；
Mixing step：When use by above-mentioned composition A and composition B according to mass ratio be 2：1 ratio mixing.
8. preparation method as claimed in claim 7, which is characterized in that in described the step of preparing composition A, epoxy resin in
80 DEG C -120 DEG C preheat 0.5 hour.
9. preparation method as claimed in claim 8, which is characterized in that described the step of preparing composition A and prepare composition B
The step of in, with 160 mesh filter screens filter.
10. such as claim 7-9 any one of them preparation methods, which is characterized in that the rotating speed of the high velocity dispersators
It is 20000 revs/min.
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| CN201810104713.0A CN108300391A (en) | 2018-02-02 | 2018-02-02 | A kind of double-component cold curing transparent epoxy glue of color inhibition and preparation method thereof |
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| CN116769279A (en) * | 2023-05-30 | 2023-09-19 | 江苏恒隆通新材料科技有限公司 | Ultraviolet-resistant epoxy lamination resin capable of being rapidly cured at normal temperature |
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Application publication date: 20180720 |