CN111234624A - Ultraviolet-curing aluminum foil coating and preparation method thereof - Google Patents
Ultraviolet-curing aluminum foil coating and preparation method thereof Download PDFInfo
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- CN111234624A CN111234624A CN202010270549.8A CN202010270549A CN111234624A CN 111234624 A CN111234624 A CN 111234624A CN 202010270549 A CN202010270549 A CN 202010270549A CN 111234624 A CN111234624 A CN 111234624A
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions 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; Coating compositions based on derivatives of such polymers
- C09D133/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
- B05D7/16—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies using synthetic lacquers or varnishes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/04—Acids; Metal salts or ammonium salts thereof
- C08F220/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/20—Esters of polyhydric alcohols or phenols, e.g. 2-hydroxyethyl (meth)acrylate or glycerol mono-(meth)acrylate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions 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; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2202/00—Metallic substrate
- B05D2202/20—Metallic substrate based on light metals
- B05D2202/25—Metallic substrate based on light metals based on Al
Abstract
The invention relates to the field of hydrophilic coatings, in particular to an ultraviolet light curing aluminum foil coating and a preparation method thereof. The ultraviolet light curing aluminum foil coating comprises the following components: 10-30 parts of toluene, 10-30 parts of ethylene glycol monomethyl ether, 35-50 parts of acrylic acid, 20-35 parts of hydroxypropyl acrylate, 2-10 parts of butyl acrylate, 0.5-1 part of azodiisobutyl, 0.5-2 parts of dodecyl mercaptan, 5-15 parts of glycidyl methacrylate, 5-10 parts of tetrabutylammonium bromide, 5-10 parts of hydroquinone, 3-8 parts of an active diluent and 5-15 parts of a photoinitiator. The ultraviolet light cured aluminum foil coating has the advantages of super wear resistance, scratch resistance, durability and excellent chemical resistance.
Description
Technical Field
The invention relates to the field of hydrophilic coatings, in particular to an ultraviolet light curing aluminum foil coating and a preparation method thereof.
Background
With the development of science and technology, people pay more and more attention to environmental pollution and global warming, and manufacturers and scientists begin to develop green science and technology. People also gradually change in life style and begin to turn to green products. The paint industry has also followed this changing step since the 70's of the 20 th century, for example, in a series of solvent uses beginning to focus on reducing organic solvent emissions. Since the release of excessive organic solvents has serious effects on the environment and human body.
Many scientists and manufacturers in this field have begun to develop coatings free of harmful contaminants, and photo-curable coatings are a popular and rapid development and application. The photocureable coating is a coating which is formed by that a photoinitiator is decomposed into active free radicals under the condition of illumination, and an oligomer containing unsaturated double bonds is induced to carry out polymerization reaction to generate a solid cross-linked structure.
Disclosure of Invention
The invention aims to provide an ultraviolet light curing aluminum foil coating and a preparation method thereof, and aims to solve the problem of influence of the coating on the environment.
The ultraviolet light curing aluminum foil coating comprises the following components in percentage by weight:
10-30 parts of toluene
10-30 parts of ethylene glycol monomethyl ether
35 to 50 portions of acrylic acid
20 to 35 portions of hydroxypropyl acrylate
2-10 parts of butyl acrylate
0.5 to 1 portion of azodiisobutyronitrile
0.5 to 2 portions of dodecyl mercaptan
5-15 parts of glycidyl methacrylate
5-10 parts of tetrabutylammonium bromide
5 to 10 portions of hydroquinone
3 to 8 portions of reactive diluent
5-15 parts of photoinitiator
The preparation method of the ultraviolet light curing aluminum foil coating mainly comprises the following steps:
(1) adding a mixed solvent of toluene and ethylene glycol monomethyl ether into a four-mouth bottle, and heating to about 70 ℃;
(2) weighing reaction acrylic acid, hydroxypropyl acrylate and butyl acrylate according to a set proportion, and mixing together;
(3) dissolving metered initiators of azodiisobutyronitrile and dodecanethiol in acrylic acid, hydroxypropyl acrylate and butyl acrylate;
(4) adding the mixed solution into a dropping funnel, and dropping the mixed solution into a four-mouth bottle filled with a solvent for 4-5 hours for polymerization;
(5) after the polymerization is finished, the temperature is kept for 2h to obtain a hydrophilic acrylate copolymer, and then the system temperature is raised to 105-110 ℃;
(6) adding glycidyl methacrylate, tetrabutylammonium bromide serving as a catalyst and hydroquinone serving as a polymerization inhibitor, and reacting for 2.5 hours to obtain a photosensitive hydrophilic oligomer;
(7) after the system is cooled, carrying out reduced pressure distillation to remove the solvent;
(8) adding an active diluent and a photoinitiator, and uniformly stirring;
(9) coating the coating liquid on the treated aluminum foil by using a wire bar coater, and then putting the aluminum foil into a drawer type curing machine for photocuring to obtain the hydrophilic coating.
Wherein the glycidyl methacrylate is added into butyl acetate according to the mass ratio of 1: and 5, diluting.
Wherein, the aluminum foil needs to be degreased, namely the aluminum foil is soaked in 5% NaOH solution for 30s, then washed clean by deionized water, then soaked in 25% nitric acid solution for 1min, then washed clean by deionized water and dried.
After the curing time reaches 120s, the surface of the coating film is dried and hardened, the reaction of acrylic acid and oligomer is complete, the curing time is increased, the water resistance of the coating film is not obviously increased, and therefore the optimal curing time of the coating film is 120 s.
Compared with the prior art, the invention has the beneficial technical achievements that:
1. the ultraviolet light cured aluminum foil coating is a coating which is formed by decomposing a photoinitiator into active free radicals under the condition of illumination and inducing oligomer containing unsaturated double bonds to carry out polymerization reaction to generate a solid cross-linked structure. The hydrophilic coating has the advantages of super wear resistance, scratch resistance, durability and excellent chemical resistance.
2. The ultraviolet curing method is a mature film forming method, and has the advantages of short curing time, small occupied area and low cost.
Detailed Description
The present invention will be further described with reference to the following examples, which are preferred embodiments of the present invention.
Example 1
Adding 10 parts of toluene and 10 parts of ethylene glycol monomethyl ether mixed solvent into a four-mouth bottle, and heating to about 70 ℃;
weighing 35 parts of reactive acrylic acid, 25 parts of hydroxypropyl acrylate and 10 parts of butyl acrylate, and mixing;
dissolving 1 part of azodiisobutyronitrile and 2 parts of dodecanethiol serving as initiators in acrylic acid, hydroxypropyl acrylate and butyl acrylate;
adding the mixed solution into a dropping funnel, and dropping the mixed solution into a four-mouth bottle filled with a solvent for 4-5 hours for polymerization;
after the polymerization is finished, the temperature is kept for 2h to obtain a hydrophilic acrylate copolymer, and then the system temperature is raised to 105-110 ℃;
adding a certain amount of 5 parts of glycidyl methacrylate, 5 parts of tetrabutylammonium bromide as a catalyst and 6 parts of hydroquinone as a polymerization inhibitor, and reacting for 2.5 hours to obtain a photosensitive hydrophilic oligomer;
after the system is cooled, carrying out reduced pressure distillation to remove the solvent;
adding 3 parts of reactive diluent and 10 parts of photoinitiator, and uniformly stirring;
coating the coating liquid on the treated aluminum foil by using a wire bar coater, and then putting the aluminum foil into a drawer type curing machine for photocuring to obtain the hydrophilic coating.
Wherein the glycidyl methacrylate is added into butyl acetate according to the mass ratio of 1: and 5, diluting.
Wherein, the aluminum foil needs to be degreased, namely the aluminum foil is soaked in 5% NaOH solution for 30s, then washed clean by deionized water, then soaked in 25% nitric acid solution for 1min, then washed clean by deionized water and dried.
After the curing time reaches 120s, the surface of the coating film is dried and hardened, the reaction of acrylic acid and oligomer is complete, the curing time is increased, the water resistance of the coating film is not obviously increased, and therefore the optimal curing time of the coating film is 120 s.
Example 2
Adding 10 parts of toluene and 30 parts of ethylene glycol monomethyl ether into a four-mouth bottle, and heating to about 70 ℃;
weighing 45 parts of reactive acrylic acid, 30 parts of hydroxypropyl acrylate and 6 parts of butyl acrylate according to a set proportion, and mixing together;
dissolving 1 part of azodiisobutyronitrile and 1 part of dodecanethiol serving as initiators in acrylic acid, hydroxypropyl acrylate and butyl acrylate;
adding the mixed solution into a dropping funnel, and dropping the mixed solution into a four-mouth bottle filled with a solvent for 4-5 hours for polymerization;
after the polymerization is finished, the temperature is kept for 2h to obtain a hydrophilic acrylate copolymer, and then the system temperature is raised to 105-110 ℃;
adding 10 parts of glycidyl methacrylate, 8 parts of tetrabutylammonium bromide serving as a catalyst and 6 parts of hydroquinone serving as a polymerization inhibitor, and reacting for 2.5 hours to obtain a photosensitive hydrophilic oligomer;
after the system is cooled, carrying out reduced pressure distillation to remove the solvent;
adding 5 parts of reactive diluent and 10 parts of photoinitiator, and uniformly stirring;
coating the coating liquid on the treated aluminum foil by using a wire bar coater, and then putting the aluminum foil into a drawer type curing machine for photocuring to obtain the hydrophilic coating.
Wherein the glycidyl methacrylate is added into butyl acetate according to the mass ratio of 1: and 5, diluting.
Wherein, the aluminum foil needs to be degreased, namely the aluminum foil is soaked in 5% NaOH solution for 30s, then washed clean by deionized water, then soaked in 25% nitric acid solution for 1min, then washed clean by deionized water and dried.
After the curing time reaches 120s, the surface of the coating film is dried and hardened, the reaction of acrylic acid and oligomer is complete, the curing time is increased, the water resistance of the coating film is not obviously increased, and therefore the optimal curing time of the coating film is 120 s.
Example 3
Adding a mixed solvent of 30 parts of toluene and 10 parts of ethylene glycol monomethyl ether into a four-mouth bottle, and heating to about 70 ℃;
weighing 40 parts of reactive acrylic acid, 35 parts of hydroxypropyl acrylate and 2 parts of butyl acrylate according to a set proportion, and mixing together;
dissolving 0.5 part of azodiisobutyronitrile and 1 part of dodecanethiol serving as initiators in acrylic acid, hydroxypropyl acrylate and butyl acrylate;
adding the mixed solution into a dropping funnel, and dropping the mixed solution into a four-mouth bottle filled with a solvent for 4-5 hours for polymerization;
after the polymerization is finished, the temperature is kept for 2h to obtain a hydrophilic acrylate copolymer, and then the system temperature is raised to 105-110 ℃;
adding 6 parts of glycidyl acrylate, 5 parts of tetrabutylammonium bromide serving as a catalyst and 10 parts of hydroquinone serving as a polymerization inhibitor, and reacting for 2.5 hours to obtain a photosensitive hydrophilic oligomer;
after the system is cooled, carrying out reduced pressure distillation to remove the solvent;
adding 5 parts of reactive diluent and 10 parts of photoinitiator, and uniformly stirring;
coating the coating liquid on the treated aluminum foil by using a wire bar coater, and then putting the aluminum foil into a drawer type curing machine for photocuring to obtain the hydrophilic coating.
Wherein the glycidyl methacrylate is added into butyl acetate according to the mass ratio of 1: and 5, diluting.
Wherein, the aluminum foil needs to be degreased, namely the aluminum foil is soaked in 5% NaOH solution for 30s, then washed clean by deionized water, then soaked in 25% nitric acid solution for 1min, then washed clean by deionized water and dried.
After the curing time reaches 120s, the surface of the coating film is dried and hardened, the reaction of acrylic acid and oligomer is complete, the curing time is increased, the water resistance of the coating film is not obviously increased, and therefore the optimal curing time of the coating film is 120 s.
Example 4
Adding 10 parts of toluene and 10 parts of ethylene glycol monomethyl ether mixed solvent into a four-mouth bottle, and heating to about 70 ℃;
weighing 35 parts of reactive acrylic acid, 40 parts of hydroxypropyl acrylate and 10 parts of butyl acrylate according to a set proportion, and mixing together;
dissolving 1 part of azodiisobutyronitrile and 1 part of dodecanethiol which are metered in acrylic acid, hydroxypropyl acrylate and butyl acrylate;
adding the mixed solution into a dropping funnel, and dropping the mixed solution into a four-mouth bottle filled with a solvent for 4-5 hours for polymerization;
after the polymerization is finished, the temperature is kept for 2h to obtain a hydrophilic acrylate copolymer, and then the system temperature is raised to 105-110 ℃;
adding 10 parts of glycidyl methacrylate, 5 parts of tetrabutylammonium bromide serving as a catalyst and 8 parts of hydroquinone serving as a polymerization inhibitor, and reacting for 2.5 hours to obtain a photosensitive hydrophilic oligomer;
after the system is cooled, carrying out reduced pressure distillation to remove the solvent;
adding 6 parts of reactive diluent and 10 parts of photoinitiator, and uniformly stirring;
coating the coating liquid on the treated aluminum foil by using a wire bar coater, and then putting the aluminum foil into a drawer type curing machine for photocuring to obtain the hydrophilic coating.
Wherein the glycidyl methacrylate is added into butyl acetate according to the mass ratio of 1: and 5, diluting.
Wherein, the aluminum foil needs to be degreased, namely the aluminum foil is soaked in 5% NaOH solution for 30s, then washed clean by deionized water, then soaked in 25% nitric acid solution for 1min, then washed clean by deionized water and dried.
After the curing time reaches 120s, the surface of the coating film is dried and hardened, the reaction of acrylic acid and oligomer is complete, the curing time is increased, the water resistance of the coating film is not obviously increased, and therefore the optimal curing time of the coating film is 120 s.
Example 5
Adding a mixed solvent of 30 parts of toluene and 30 parts of ethylene glycol monomethyl ether into a four-mouth bottle, and heating to about 70 ℃;
weighing 45 parts of acrylic acid, 35 parts of hydroxypropyl acrylate and 5 parts of butyl acrylate according to a set proportion, and mixing;
dissolving 1 part of azodiisobutyronitrile and 0.5 part of dodecanethiol which are metered in acrylic acid, hydroxypropyl acrylate and butyl acrylate;
adding the mixed solution into a dropping funnel, and dropping the mixed solution into a four-mouth bottle filled with a solvent for 4-5 hours for polymerization;
after the polymerization is finished, the temperature is kept for 2h to obtain a hydrophilic acrylate copolymer, and then the system temperature is raised to 105-110 ℃;
adding 10 parts of glycidyl methacrylate, 5 parts of tetrabutylammonium bromide serving as a catalyst and 6 parts of hydroquinone serving as a polymerization inhibitor, and reacting for 2.5 hours to obtain a photosensitive hydrophilic oligomer;
after the system is cooled, carrying out reduced pressure distillation to remove the solvent;
adding 5 parts of reactive diluent and 5 parts of photoinitiator, and uniformly stirring;
coating the coating liquid on the treated aluminum foil by using a wire bar coater, and then putting the aluminum foil into a drawer type curing machine for photocuring to obtain the hydrophilic coating.
Wherein the glycidyl methacrylate is added into butyl acetate according to the mass ratio of 1: and 5, diluting.
Wherein, the aluminum foil needs to be degreased, namely the aluminum foil is soaked in 5% NaOH solution for 30s, then washed clean by deionized water, then soaked in 25% nitric acid solution for 1min, then washed clean by deionized water and dried.
After the curing time reaches 120s, the surface of the coating film is dried and hardened, the reaction of acrylic acid and oligomer is complete, the curing time is increased, the water resistance of the coating film is not obviously increased, and therefore the optimal curing time of the coating film is 120 s.
The performance tests of the ultraviolet light curing aluminum foil coatings prepared in examples 1 to 5 were respectively carried out by the following methods:
determining the adhesive force of the coating after film forming according to GB9286-98 hundred-grid test standards;
spraying a layer of ultraviolet light curing aluminum foil coating on a glass substrate which is 50mm multiplied by 50mm and 1mm in thickness and is wiped by ethanol by a seven-hole high-atomization paint spraying gun under the air pressure of 0.3-0.5 MPa, curing for 2-3h at 80 ℃ to obtain a coating with the thickness of 15-25 mu m, spraying a layer of ultraviolet light curing aluminum foil coating, and curing for 2-3h at 80 ℃ to obtain a sample to be measured with the coating, wherein the total thickness of the coating is 30-50 mu m.
Putting a sample to be tested in water at 25 ℃, soaking the coating with the area of 2/3 in the water for 3d, observing the whitening and falling degree of the coating, observing the water resistance of the coating, simultaneously taking out the sample, testing the contact angle of the soaked part of the coating with the water at 25 ℃, comparing the contact angle with the contact angle before soaking, and observing the continuous hydrophilicity of the coating, wherein the contact angle is measured by a contact angle measuring instrument (model is JGW-360A).
TABLE 1
As can be seen from Table 1, the ultraviolet light cured aluminum foil coating prepared by the invention has the best comprehensive performance according to the embodiment 2 and has good application prospect.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. An ultraviolet light curing aluminum foil coating is characterized in that: the composition comprises the following components in parts by weight:
10-30 parts of toluene
10-30 parts of ethylene glycol monomethyl ether
35 to 50 portions of acrylic acid
20 to 35 portions of hydroxypropyl acrylate
2-10 parts of butyl acrylate
0.5 to 1 portion of azodiisobutyronitrile
0.5 to 2 portions of dodecyl mercaptan
5-15 parts of glycidyl methacrylate
5-10 parts of tetrabutylammonium bromide
5 to 10 portions of hydroquinone
3 to 8 portions of reactive diluent
5-15 parts of a photoinitiator.
2. The ultraviolet-curing aluminum foil coating as claimed in claim 1, which is characterized by comprising the following components in parts by weight: 45 parts of acrylic acid, 30 parts of hydroxypropyl acrylate, 6 parts of butyl acrylate, 1 part of azodiisobutyronitrile, 1 part of dodecyl mercaptan, 10 parts of glycidyl methacrylate, 8 parts of tetrabutylammonium bromide, 6 parts of hydroquinone, 5 parts of reactive diluent and 10 parts of photoinitiator.
3. The ultraviolet-curable aluminum foil coating as claimed in claim 2, wherein the glycidyl methacrylate is dissolved in butyl acetate in a mass ratio of 1: and 5, diluting.
4. The UV-curable aluminum foil coating as claimed in claim 2, wherein the aluminum foil is degreased by immersing in 5% NaOH solution for 30s, washing with deionized water, immersing in 25% nitric acid solution for 1min, washing with deionized water, and drying.
5. The uv curable aluminum foil coating of claim 2, wherein the photocuring time is 120 s.
6. A preparation method of an ultraviolet light curing aluminum foil coating is characterized by comprising the following steps:
the method comprises the following steps:
(1) adding a mixed solvent of toluene and ethylene glycol monomethyl ether into a four-mouth bottle, and heating to about 70 ℃;
(2) weighing reaction acrylic acid, hydroxypropyl acrylate and butyl acrylate, and mixing together; dissolving metered initiators of azodiisobutyronitrile and dodecanethiol in acrylic acid, hydroxypropyl acrylate and butyl acrylate to prepare a mixed solution;
(3) adding the mixed solution into a dropping funnel, and dropping the mixed solution into a four-mouth bottle containing toluene and ethylene glycol monomethyl ether for 4-5h for polymerization;
(5) after the polymerization is finished, the temperature is kept for 2h to obtain a hydrophilic acrylate copolymer, and then the temperature is raised to 105-110 ℃;
(6) adding glycidyl methacrylate, tetrabutylammonium bromide and hydroquinone, and reacting for 2.5h to obtain a photosensitive hydrophilic oligomer;
(7) after the photosensitive hydrophilic oligomer is cooled, carrying out reduced pressure distillation to remove the solvent; adding an active diluent and a photoinitiator into the photosensitive hydrophilic oligomer, and uniformly stirring to prepare a coating solution;
(8) coating the coating liquid on the treated aluminum foil by using a wire bar coater, and then putting the aluminum foil into a drawer type curing machine for photocuring to obtain the ultraviolet-cured hydrophilic aluminum foil coating.
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| CN202010270549.8A CN111234624A (en) | 2020-04-08 | 2020-04-08 | Ultraviolet-curing aluminum foil coating and preparation method thereof |
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| CN202010270549.8A CN111234624A (en) | 2020-04-08 | 2020-04-08 | Ultraviolet-curing aluminum foil coating and preparation method thereof |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002249698A (en) * | 2001-02-22 | 2002-09-06 | Sharp Corp | Ink-jet recording ink |
| CN102911582A (en) * | 2012-10-30 | 2013-02-06 | 中国海洋石油总公司 | Ultraviolet light cured antifogging coating |
-
2020
- 2020-04-08 CN CN202010270549.8A patent/CN111234624A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002249698A (en) * | 2001-02-22 | 2002-09-06 | Sharp Corp | Ink-jet recording ink |
| CN102911582A (en) * | 2012-10-30 | 2013-02-06 | 中国海洋石油总公司 | Ultraviolet light cured antifogging coating |
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Application publication date: 20200605 |