CN106750235A - The preparation method of quaternary hydrophily UV-cured resin - Google Patents
The preparation method of quaternary hydrophily UV-cured resin Download PDFInfo
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Abstract
The invention provides a kind of preparation method of quaternary hydrophily UV-cured resin, it comprises the following steps：Binary polyetheramine and acrylyl oxy-ethyl-trimethyl salmiac are carried out into Michael addition reaction at room temperature, double ends secondary amino compound intermediate is obtained；Described pair of end secondary amino compound intermediate and polyfunctional acrylic ester are carried out into Michael addition reaction at 40~45 DEG C, the quaternary hydrophily UV-cured resin is obtained.The advantage of the invention is that：1st, quaternary hydrophily UV-cured resin is prepared simply, at a lower temperature, can be obtained by two step Michael addition reactions in the short time；2nd, the quaternary hydrophily UV-cured resin is applied in anti-fog coating because having the quaternary ammonium salt structure being fixed on chemical bond on the cross-linked network formed after photocuring, it is ensured that film has excellent initial and lasting anti-fog performance.
Description
Technical field
The present invention relates to a kind of preparation method of quaternary hydrophily UV-cured resin, belong to macromolecular material conjunction
Into technical field.
Background technology
Vapor in air will condense into small drop and mist formation when temperature is less than dew point.It is this bad
Influence frequently occurs in window, bathroom mirror, glasses, swimming and Lunettes, windshield, optical instrument camera lens, solar energy
Battery light-passing board, car light, indicator lamp, agricultural film etc. these lived on the transparent material that is closely related with us.Transparent material surface
The result of water droplet atomization, not only light transmittance declines influences vision, harm is produced sometimes, such as when droplet is condensed in such as infrared light
Learn when on the lens surfaces of sophisticated analytical instruments such as microscope, the accuracy of its analysis can be reduced.And work as droplet and condense in the sun
When on energy battery light-passing board, the reduction of solar absorption efficiency is caused, so as to be unfavorable for that solar cell device gives full play to and should have
Effect.
In order to solve these problems, super-hydrophobic or super hydrophilic treatment can be typically carried out to material surface.It is super-hydrophobic conventional complete
Fluorine type resin, one side price is higher, and on the other hand the resinoid is general softer, wears no resistance, while its hydrophobic property is also led
Cause its surface easily to adsorb greasy dirt and dust, the effect of requirement is not reached on the contrary.And organic hydrophilic coating price is more just in itself
Preferably, can also be modified to improve its wearability by some.Using organic hydrophilic coating compared to hydrophobic coating processing method not only
Easy construction, and it is cheap.
It is concentrated mainly on super hydrophilic research both at home and abroad now, such as coating surface introduces the group such as carboxylic that can form hydrogen bond
Base, amino, sulfydryl, hydroxyl；Some ionic groups：Carboxylate radical, sulfonate radical, ammonium root, phosphate radical etc.；Or introduce hydrophilic second
Epoxide unit, when a number of these groups or ion is introduced, the surface of coating can reach super hydrophilic state, water
Highly sprawled in substrate surface after vapour condensation, form one layer of uniform moisture film, eliminate tiny drops of water to the diffusing reflection of light
Reach antifog purpose.Super hydrophilic approach is prepared at present to be mainly by physical blending, Chemical modification, chemical bonding
Method.
Chinese patent CN 104053731A disclose a kind of thermosetting anti-fog coating, and the coating composition includes polyurethane
Dispersion, modified aziridine hardener, hydrophilic silicon oxides nano-particle, surfactant.This is a kind of thermosetting aqueous
Coating could solidify for more than 20 minutes, it is necessary to be heated more than 110 DEG C, form cross-linked network.Although anti-fog performance is preferably,
But high energy consumption and the composition of hydrophilic antifogging performance is played here be mainly surfactant in fact, and it is not involved in consolidating at all
Change and react, be simply crosslinked network physical fixation, in the case of high humility, be easily lost in and influence lasting anti-fog properties
Energy.In addition, hydrophilic silicon oxides nano-particle also needs to carry out nanometer using the silane coupler with hydrophilic radical
Silica dispersion surface treatment is obtained, and technics comparing is complicated.And hydrophilic silane coupling agent price is somewhat expensive, and plant
Class is rare.Therefore manufacturing cost can be improved.
Chinese patent CN102911582A discloses a kind of ultraviolet light curing anti fogging coating.The main body hydrophilic resin of the coating
Fat is by polymerizable nonionic surfactant allyloxy Nonylphenoxy propyl alcohol APEO, acrylate and acrylic acid
The polyacrylate that side chain contains carboxyl is obtained through radical polymerization, then to carry out open loop Glycidyl methacrylate sweet for side chain carboxyl group
The epoxy radicals of grease and obtain the photocuring hydrophilic polyacrylic ester that side chain contains double bond.But, allyloxy monomer it is poly-
Close activity more much lower than the polymerization activity of acrylic ester monomer, therefore substantial amounts of unreacted allyloxy nonyl benzene oxygen can be remained
Base propyl alcohol APEO.Although the allyloxy Nonylphenoxy propyl alcohol APEO of residual can also occur light in coating
Polymerisation, but its polymerization activity is relatively low, therefore still have part remain in coating, be not engaged in curing reaction and formed
Cross-linked network, is simply crosslinked network physical fixation, in the case of high humility, is easily lost in and influences lasting anti-fog properties
Energy.
The content of the invention
For defect of the prior art, it is an object of the invention to provide a kind of quaternary hydrophily ultraviolet light polymerization tree
Fat, is applied in ultraviolet light curing anti fogging coating formula, and after ultraviolet light polymerization, not only initial hydrophilicity is good for film, and
And water-tolerant, with lasting anti-fog performance, hardness of film is high, resistance to wiping is good, is highly suitable to be applied for anti-fog properties
Field high, such as car light, windshield, bathroom mirror, optical lens material can be required.
The present invention is achieved by the following technical solutions：
The present invention provides a kind of preparation method of quaternary hydrophily UV-cured resin, and it comprises the following steps：
Binary polyetheramine and acrylyl oxy-ethyl-trimethyl salmiac are carried out into Michael addition reaction at room temperature, is obtained
Double end secondary amino compound intermediates；
Described pair of end secondary amino compound intermediate and polyfunctional acrylic ester are carried out into mikey at 40~45 DEG C
That addition reaction, obtains the quaternary hydrophily UV-cured resin.
Preferably, the binary polyetheramine and the mol ratio of acrylyl oxy-ethyl-trimethyl salmiac are 1:2.
Preferably, the binary polyetheramine is selected from D-230, D-400, D-2000, ED-600, ED-900 and ED-
At least one in 2003.
Preferably, the polyfunctional acrylic ester is acrylate monomer of the degree of functionality not less than 4.According to
Acrylate monomer of the degree of functionality less than 4, the then degree of functionality of the light-cured resin for preparing is low, and water resistance can be reduced, and continues antifog
Poor performance, in addition wearability also can accordingly reduce.Preferably, the acrylate monomer is to contain ethoxy unit
Many official's monomers.
Preferably, in many official's monomers containing ethoxy unit, the quantity of ethoxy unit is not less than 20
It is individual.When the ethoxy unit is less than 20, polyfunctionality hydrophily UV-cured resin hydrophily can be caused too poor, it is antifog
Poor performance.
The hydrophilicrty of the quaternary hydrophily UV-cured resin prepared using the inventive method can be by synthesizing
Raw material is controlled, and for example the molecular weight of binary polyetheramine is big, i.e. ethyoxyl or isopropoxy number is more, hydrophily is bigger；Many officials
Ethoxy unit number is more in energy degree acrylate, and hydrophily is bigger.For polyfunctional acrylic ester, in same ethyoxyl list
In the case of first number, degree of functionality is bigger, and hydrophily is smaller.Therefore, made using the quaternary hydrophily UV-cured resin
For matrix resin is used in photocuring anti-fog coating system, due to introducing substantial amounts of hydrophilic parts, film has excellent parent
Aqueous energy, can make the condensation vapor in air form moisture film rather than water droplet on its surface, with initial anti-fog properties well
Energy.On the other hand, due to polyfunctionality structure, can with the UV-cured resin of other in coating system or monomer, through purple
Cross-linked network structure is formed after outer photocuring, hydrophilic parts are not to be fixed on cross-linked network for physically, but to change
Learn keying to be scheduled on cross-linked network, water or vapor will not be caused to fall painting film bubble, so film protracted hydrophilicity is good, embody
With lasting anti-fog performance.
Compared with prior art, the present invention has following beneficial effect：
1st, quaternary hydrophily UV-cured resin is prepared simply, at a lower temperature, two steps is passed through in the short time
Michael addition reaction can be obtained；
2nd, the quaternary hydrophily UV-cured resin is fixed on what is formed after photocuring because having with chemical bond
Quaternary ammonium salt structure on cross-linked network, is applied in anti-fog coating, it is ensured that film has excellent initial and continues antifog
Performance；
3rd, the hydrophilicrty of the quaternary hydrophily UV-cured resin can be controlled arbitrarily as desired, be met
When the Superhydrophilic in some fields needs, the binary polyetheramine and ethoxy radix more than ethyoxyl or isopropoxy number can be selected
The slightly lower polyfunctional acrylic ester of many degrees of functionality, meet with excellent water resistance, that is, ensure initial anti-fog properties, also have concurrently
Have excellent when continuing the good domain requirement of anti-fog performance, can be reached by using degree of functionality polyfunctional acrylic ester high
Arrive；
4th, using quaternary hydrophily UV-cured resin of the invention for ultraviolet light curing anti fogging coating formula
In, after ultraviolet light polymerization, film initial hydrophilicity is good, while have good water resistance, is reflected on anti-fog performance and is exactly
Not only initial anti-fog performance is good, and with lasting anti-fog performance.
Specific embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that to the ordinary skill of this area
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.
The preparation method of ammonium salt type hydrophily UV-cured resin of the invention is as follows：
Due to the limitation of commercially available raw material, many official's acrylate are only with following four：
3 officials：Ethyoxyl trimethylolpropane trimethacrylate (EO35mol), ethyoxyl quantity therein is 35；
4 officials：Ethoxylated pentaerythritol tetraacrylate (EO15mol), ethyoxyl quantity therein is 15；
4 officials：Ethoxylated pentaerythritol tetraacrylate (EO35mol), ethyoxyl quantity therein is 35；
4 officials：Ethoxylated pentaerythritol tetraacrylate (EO120mol), ethyoxyl quantity therein is 120；
6 officials：Ethyoxyl double pentaerythritol methacrylate (EO96mol), ethyoxyl quantity therein is 96.
Embodiment 1
The present embodiment is related to a kind of preparation method of quaternary hydrophily UV-cured resin, specifically includes following step
Suddenly：
In equipped with mechanical agitation, thermometer, 250 milliliters of four-hole bottles of nitrogen gatherer, ethanol (70 grams), resistance are added
Poly- agent MEHQ (0.14 gram), polyetheramine D400 (2.30 grams, 5mmol) and 80% acrylyl oxy-ethyl-trimethyl chlorination
Aqueous ammonium (24.2 grams, 10mmol), room temperature reaction 1.5 hours, FT-IR can't detect 810cm-1Locate the absworption peak of double bond, the
Single step reaction terminates.Ethyoxyl double pentaerythritol methacrylate (EO96mol) (48.02 grams, 10mmol) is subsequently adding, is heated up
Reacted 3 hours to 45 DEG C, FT-IR can't detect 3400-3300cm-1Locate the absworption peak of secondary amine, terminate reaction, obtain light yellow
Transparency liquid.Then precipitated with n-hexane, then the quaternary that degree of functionality is 10 is obtained within 12 hours through 50 DEG C of vacuum drying
Hydrophily UV-cured resin.
Embodiment 2
The present embodiment is related to a kind of preparation method of quaternary hydrophily UV-cured resin, specifically includes following step
Suddenly：
In equipped with mechanical agitation, thermometer, 250 milliliters of four-hole bottles of nitrogen gatherer, ethanol (78 grams), resistance are added
Poly- agent MEHQ (0.16 gram), polyetheramine D400 (2.30 grams, 5mmol) and 80% acrylyl oxy-ethyl-trimethyl chlorination
Aqueous ammonium (24.2 grams, 10mmol), room temperature reaction 1.5 hours, FT-IR can't detect 810cm-1Locate the absworption peak of double bond, the
Single step reaction terminates.Ethoxylated pentaerythritol tetraacrylate (EO120mol) (56.32 grams, 10mmol) is subsequently adding, is heated up
Reacted 3 hours to 45 DEG C, FT-IR can't detect 3400-3300cm-1Locate the absworption peak of secondary amine, terminate reaction, obtain light yellow
Transparency liquid.Then precipitated with n-hexane, then the quaternary parent that degree of functionality is 6 is obtained within 12 hours through 50 DEG C of vacuum drying
Waterborne ultraviolet curing resin.
Embodiment 3
The present embodiment is related to a kind of preparation method of quaternary hydrophily UV-cured resin, specifically includes following step
Suddenly：
In equipped with mechanical agitation, thermometer, 250 milliliters of four-hole bottles of nitrogen gatherer, ethanol (70 grams), resistance are added
Poly- agent MEHQ (0.14 gram), polyetheramine ED-600 (2.64 grams, 5mmol) and 80% acrylyl oxy-ethyl-trimethyl chlorine
Change aqueous ammonium (24.2 grams, 10mmol), room temperature reaction 1.5 hours, FT-IR can't detect 810cm-1Locate the absworption peak of double bond,
First step reaction terminates.Ethyoxyl double pentaerythritol methacrylate (EO96mol) (48.02 grams, 10mmol) is subsequently adding, is risen
Warm to 45 DEG C are reacted 3 hours, and FT-IR can't detect 3400-3300cm-1Locate the absworption peak of secondary amine, terminate reaction, obtain pale yellow
Color transparency liquid, is then precipitated with n-hexane, then obtains within 12 hours the quaternary ammonium salt that degree of functionality is 10 through 50 DEG C of vacuum drying
Type hydrophily UV-cured resin.
Embodiment 4
The present embodiment is related to a kind of preparation method of quaternary hydrophily UV-cured resin, specifically includes following step
Suddenly：
In equipped with mechanical agitation, thermometer, 250 milliliters of four-hole bottles of nitrogen gatherer, ethanol (76 grams), resistance are added
Poly- agent MEHQ (0.17 gram), polyetheramine ED-900 (10.0 grams, 10mmol) and 80% acrylyl oxy-ethyl-trimethyl
Aqueous ammonium chloride solution (48.4 grams, 20mmol), room temperature reaction 1.5 hours, FT-IR can't detect the absorption of double bond at 810cm-1
Peak, first step reaction terminates.Ethoxylated pentaerythritol tetraacrylate (EO35mol) (37.8 grams, 20mmol) is subsequently adding, is risen
Warm to 45 DEG C are reacted 3 hours, and FT-IR can't detect 3400~3300cm-1Locate the absworption peak of secondary amine, terminate reaction, obtain pale yellow
Color transparency liquid, is then precipitated with n-hexane, then obtains within 12 hours the quaternary that degree of functionality is 6 through 50 DEG C of vacuum drying
Hydrophily UV-cured resin.
Embodiment 5
The present embodiment is related to a kind of preparation method of quaternary hydrophily UV-cured resin, specifically includes following step
Suddenly：
In equipped with mechanical agitation, thermometer, 250 milliliters of four-hole bottles of nitrogen gatherer, ethanol (75 grams), resistance are added
Poly- agent MEHQ (0.17 gram), polyetheramine ED-900 (5.0 grams, 5mmol) and 80% acrylyl oxy-ethyl-trimethyl chlorine
Change aqueous ammonium (24.2 grams, 10mmol), room temperature reaction 1.5 hours, FT-IR can't detect 810cm-1Locate the absworption peak of double bond,
First step reaction terminates.Ethoxylated pentaerythritol tetraacrylate (EO120mol) (56.32 grams, 10mmol) is subsequently adding, is risen
Warm to 45 DEG C are reacted 3 hours, and FT-IR can't detect 3400-3300cm-1Locate the absworption peak of secondary amine, terminate reaction, obtain light yellow
Transparency liquid, is then precipitated with n-hexane, then obtains within 12 hours the quaternary parent that degree of functionality is 6 through 50 DEG C of vacuum drying
Waterborne ultraviolet curing resin.
Comparative example 1
In equipped with mechanical agitation, thermometer, 250 milliliters of four-hole bottles of nitrogen gatherer, ethanol (72 grams), resistance are added
Poly- agent MEHQ (0.14 gram), hexamethylene diamine (0.58 gram, 5mmol) and 80% acrylyl oxy-ethyl-trimethyl salmiac water
Solution (24.2 grams, 10mmol), room temperature reaction 1.5 hours, FT-IR can't detect 810cm-1Locate the absworption peak of double bond, the first step
Reaction terminates.Ethyoxyl double pentaerythritol methacrylate (EO96mol) (48.02 grams, 10mmol) is subsequently adding, 45 are warming up to
DEG C reaction 3 hours, FT-IR can't detect 3400-3300cm-1Locate the absworption peak of secondary amine, terminate reaction, obtain light yellow clear liquid
Body, is then precipitated with n-hexane, then obtains within 12 hours the quaternary hydrophily that degree of functionality is 10 through 50 DEG C of vacuum drying
UV-cured resin.
Comparative example 2
In equipped with mechanical agitation, thermometer, 250 milliliters of four-hole bottles of nitrogen gatherer, ethanol (62 grams), resistance are added
Poly- agent MEHQ (0.12 gram), polyetheramine D400 (4.6 grams, 5mmol) and dimethylaminoethyl acrylate (14.22 grams,
10mmol), room temperature reaction 1.5 hours, FT-IR can't detect 810cm-1Locate the absworption peak of double bond, first step reaction terminates.Then
Ethoxylated pentaerythritol tetraacrylate (EO120mol) (56.32 grams, 10mmol) is added, 45 DEG C is warming up to and is reacted 3 hours,
FT-IR can't detect 3400-3300cm-1Locate the absworption peak of secondary amine, terminate reaction, light yellow clear liquid is obtained, then with just
Hexane is precipitated, then obtains within 12 hours the hydrophily UV-cured resin that degree of functionality is 6 through 50 DEG C of vacuum drying.
Comparative example3
In equipped with mechanical agitation, thermometer, 250 milliliters of four-hole bottles of nitrogen gatherer, ethanol (60 grams), resistance are added
Poly- agent MEHQ (0.14 gram), polyetheramine ED-900 (10.0 grams, 10mmol) and 80% acrylyl oxy-ethyl-trimethyl
Aqueous ammonium chloride solution (48.4 grams, 20mmol), room temperature reaction 1.5 hours, FT-IR can't detect 810cm-1Locate the absorption of double bond
Peak, first step reaction terminates.Ethoxylated pentaerythritol tetraacrylate (EO15mol) (20.24 grams, 20mmol) is subsequently adding,
It is warming up to 45 DEG C to react 3 hours, FT-IR can't detect 3400-3300cm-1Locate the absworption peak of secondary amine, terminate reaction, obtain pale yellow
Color transparency liquid, is then precipitated with n-hexane, then obtains within 12 hours the hydrophily purple that degree of functionality is 6 through 50 DEG C of vacuum drying
Outer light-cured resin.
Comparative example 4
In equipped with mechanical agitation, thermometer, 250 milliliters of four-hole bottles of nitrogen gatherer, ethanol (75 grams), resistance are added
Poly- agent MEHQ (0.17 gram), polyetheramine ED-900 (10.0 grams, 10mmol) and 80% acrylyl oxy-ethyl-trimethyl
Aqueous ammonium chloride solution (48.4 grams, 20mmol), room temperature reaction 1.5 hours, FT-IR can't detect 810cm-1Locate the absorption of double bond
Peak, first step reaction terminates.Be subsequently adding ethyoxyl trimethylolpropane trimethacrylate (EO35mol) (36.72 grams,
20mmol), it is warming up to 45 DEG C to react 3 hours, FT-IR can't detect 3400-3300cm-1Locate the absworption peak of secondary amine, terminate reaction,
Light yellow clear liquid is obtained, is then precipitated with n-hexane, then it is 4 to obtain within 12 hours degree of functionality through 50 DEG C of vacuum drying
Hydrophily UV-cured resin.
Performance test
The quaternary hydrophily UV-cured resin prepared to institute's embodiment 1~5 and comparative example 1~4, is made into respectively
After the Application Example 1~5 and the ultraviolet light curing anti fogging coating of Comparison study example 1~4 that are listed in Table 1 below, using PET as base
Material, coating prepared by Application Example and Comparison study example, on its surface, is put into 60 DEG C of baking oven 1min with No. 10 line rod coating,
Afterwards by ultraviolet light polymerization, energy is 500mJ/cm2。
To Application Example 1~5 and obtained in Comparison study example 1~4, coating carries out performance detection respectively, determines coating
Adhesive force, pencil hardness, wearability, initial stage water contact angle and sustained water contact angle and anti-fog performance.Concrete outcome is listed in table 1
In.
Specific performance detection project and corresponding method are as follows：
First, adhesive force
Using cross-cut methods, specimen page adhesive force is tested with 3M Pressure sensitive adhesive tapes.
Appraisal procedure：
5B- scribing edges are smooth, at the edge of line and intersection is uncoated comes off；
4B- has the coating shedding of small pieces in the intersection of line, and the gross area that comes off is less than 5%；
3B- line edge and intersection have the coating shedding of small pieces, and come off the gross area 5~15% it
Between；
2B- has a sheet of coating shedding at the edge and intersection of line, and come off the gross area 15~35% it
Between；
1B- has a sheet of coating shedding at the edge and intersection of line, and come off the gross area 35~65% it
Between；
0B- has sheet of coating shedding, and the gross area that comes off more than 65% at the edge and intersection of line.
2nd, pencil hardness
With reference to standard GB/T/T6739《Hardness of paint film pencil determination method》.
3rd, anti-wear performance
Using 0000# steel wool, 300g power, one is designated as once back and forth, and the number of times for scratching occurs in recording surface.
Appraisal procedure：By after the friction of certain number of times, whether observation coating has scratch, is resistant to when recording without scratch
Most Rubbing numbers.
4th, initial stage hydrophilic angle
4 μ L deionized waters are dripped in the specimen surface being cured, is determined with contact angle tester in the range of 20~25 DEG C.
5th, hydrophilic angle is continued
The sample being cured is put into deionized water and soaks 24h, determined with contact angle measurement after drying.
Six：It is anti-fog properties：The test board that surface temperature is 25 degree is horizontally placed at the 10cm of 80 DEG C of water surface top, sample is observed
The time that plate hazes.
X hazes in 1 second,
Δ：Hazed after 10 seconds,
○：Hazed after 30 seconds,
◎：Do not haze.
Table 1
As can be seen from Table 1, Application Example 1~5 has preferable anti-fog performance.Initial water contact is below 10
Degree, the water contact angle after immersion in 24 hours is below 35 degree, and anti-fog performance is excellent, while wearability might as well.
Comparison study example 1 compared with Application Example 1, due to quaternary hydrophily purple light solidified resin used synthesis
When, using hexamethylene diamine come instead of polyetheramine D400, the hydrophily ratio of the final quaternary hydrophily UV-cured resin of gained
It is poor, it is thus used in anti-fog coating formula, although coating abrasion performance improves a lot, but causes the hydrophily of coating poor,
Thus do not possess anti-fog performance.
Comparison study example 2 compared with Application Example 2, when being synthesized due to hydrophily UV-cured resin used, first
During step reaction, during using the presoma-dimethylaminoethyl acrylate of acrylyl oxy-ethyl-trimethyl salmiac come instead of it, institute
It is nonionic to obtain hydrophily UV-cured resin, and without quaternary ammonium salt, its hydrophily is poor, is thus used in antifog painting
In material formula, the hydrophily of coating is poor, does not possess anti-fog performance.
Comparison study example 3 compared with Application Example 4, due to quaternary hydrophily UV-cured resin used synthesis
When, using ethoxylated pentaerythritol tetraacrylate (EO15mol), the final quaternary hydrophily UV-cured resin of gained
Hydrophily it is poor, be thus used in anti-fog coating formula in, although coating abrasion performance is slightly improved, but causes the parent of coating
Aqueous difference, thus do not possess anti-fog performance.
Comparison study example 4 compared with Application Example 4, due to quaternary ammonium salt hydrophily UV-cured resin used synthesis
When, using ethyoxyl trimethylolpropane trimethacrylate (EO35mol), obtain tetra functional quaternary hydrophily ultraviolet light
Solidified resin.Because final resin degree of functionality is relatively low, hydrophily is very good, causes final coating to make hydrophilic portion subnetting due to water-swellable
Network departs from from substrate surface, and hydrophobic part is in the great majority in causing coating, and substantially reduces hydrophily.Coating is wear-resisting simultaneously
It is significantly reduced with hardness.
Specific embodiment of the invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can within the scope of the claims make various deformations or amendments, this not shadow
Sound substance of the invention.
Claims (6)
1. a kind of preparation method of quaternary hydrophily UV-cured resin, it is characterised in that comprise the following steps：
Binary polyetheramine and acrylyl oxy-ethyl-trimethyl salmiac are carried out into Michael addition reaction at room temperature, double ends are obtained
End secondary amino compound intermediate；
Described pair of end secondary amino compound intermediate is carried out into Michael at 40~45 DEG C with polyfunctional acrylic ester to add
Into reaction, the quaternary hydrophily UV-cured resin is obtained.
2. the preparation method of quaternary hydrophily UV-cured resin as claimed in claim 1, it is characterised in that described
Binary polyetheramine is 1 with the mol ratio of acrylyl oxy-ethyl-trimethyl salmiac:2.
3. the preparation method of quaternary hydrophily UV-cured resin as claimed in claim 1 or 2, it is characterised in that
The binary polyetheramine is selected from least one in D-230, D-400, D-2000, ED-600, ED-900 and ED-2003.
4. the preparation method of quaternary hydrophily UV-cured resin as claimed in claim 1, it is characterised in that described
Polyfunctional acrylic ester is acrylate monomer of the degree of functionality not less than 4.
5. the preparation method of quaternary hydrophily UV-cured resin as claimed in claim 4, it is characterised in that described
Acrylate monomer is many official's monomers containing ethoxy unit.
6. the preparation method of quaternary hydrophily UV-cured resin as claimed in claim 5, it is characterised in that described
In many official's monomers containing ethoxy unit, the quantity of ethoxy unit is not less than 20.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109651296A (en) * | 2019-01-23 | 2019-04-19 | 安庆北化大科技园有限公司 | A kind of Water-soluble methyl acrylate monomer and preparation method thereof |
| CN115028830A (en) * | 2022-05-10 | 2022-09-09 | 武汉中科先进材料科技有限公司 | Hydrophilic resin for antifogging coating and preparation method thereof |
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| CN115028830A (en) * | 2022-05-10 | 2022-09-09 | 武汉中科先进材料科技有限公司 | Hydrophilic resin for antifogging coating and preparation method thereof |
| CN115028830B (en) * | 2022-05-10 | 2023-12-22 | 武汉中科先进材料科技有限公司 | Hydrophilic resin for anti-fog coating and preparation method thereof |
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