CN114539910A - Anti-fogging UV (ultraviolet) finishing oil for bathroom mirror and preparation method thereof - Google Patents
Anti-fogging UV (ultraviolet) finishing oil for bathroom mirror and preparation method thereof Download PDFInfo
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- CN114539910A CN114539910A CN202210301536.1A CN202210301536A CN114539910A CN 114539910 A CN114539910 A CN 114539910A CN 202210301536 A CN202210301536 A CN 202210301536A CN 114539910 A CN114539910 A CN 114539910A
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- acrylic resin
- fogging
- finishing oil
- titanium dioxide
- epoxy acrylic
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- 238000002360 preparation method Methods 0.000 title abstract description 22
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 83
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 83
- 239000004593 Epoxy Substances 0.000 claims abstract description 48
- 239000004814 polyurethane Substances 0.000 claims abstract description 32
- 229920002635 polyurethane Polymers 0.000 claims abstract description 32
- 239000002994 raw material Substances 0.000 claims abstract description 31
- 238000002156 mixing Methods 0.000 claims abstract description 17
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 16
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 16
- 239000000178 monomer Substances 0.000 claims abstract description 16
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 5
- 239000003921 oil Substances 0.000 claims description 65
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical class [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 37
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 21
- 239000002966 varnish Substances 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 14
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 claims description 12
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 claims description 12
- JJQZDUKDJDQPMQ-UHFFFAOYSA-N dimethoxy(dimethyl)silane Chemical compound CO[Si](C)(C)OC JJQZDUKDJDQPMQ-UHFFFAOYSA-N 0.000 claims description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- 238000009833 condensation Methods 0.000 claims description 4
- 230000005494 condensation Effects 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 238000010992 reflux Methods 0.000 claims description 4
- 238000001132 ultrasonic dispersion Methods 0.000 claims description 4
- MPIAGWXWVAHQBB-UHFFFAOYSA-N [3-prop-2-enoyloxy-2-[[3-prop-2-enoyloxy-2,2-bis(prop-2-enoyloxymethyl)propoxy]methyl]-2-(prop-2-enoyloxymethyl)propyl] prop-2-enoate Chemical group C=CC(=O)OCC(COC(=O)C=C)(COC(=O)C=C)COCC(COC(=O)C=C)(COC(=O)C=C)COC(=O)C=C MPIAGWXWVAHQBB-UHFFFAOYSA-N 0.000 claims description 3
- 239000000654 additive Substances 0.000 claims description 3
- 230000000996 additive effect Effects 0.000 claims description 3
- 238000000576 coating method Methods 0.000 abstract description 3
- 230000002688 persistence Effects 0.000 abstract 1
- 230000032683 aging Effects 0.000 description 19
- 239000003973 paint Substances 0.000 description 16
- 230000000694 effects Effects 0.000 description 12
- 238000004383 yellowing Methods 0.000 description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 9
- 239000000853 adhesive Substances 0.000 description 8
- 230000001070 adhesive effect Effects 0.000 description 8
- 230000002087 whitening effect Effects 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 240000002853 Nelumbo nucifera Species 0.000 description 3
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 3
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 3
- 239000004568 cement Substances 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- -1 methoxyl groups Chemical group 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 230000003075 superhydrophobic effect Effects 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 238000003287 bathing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 125000001165 hydrophobic group Chemical group 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005543 nano-size silicon particle Substances 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
-
- 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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
- C09D163/10—Epoxy resins modified by unsaturated compounds
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
-
- 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
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The application relates to the technical field of UV coatings, and particularly discloses anti-fogging UV finishing oil for bathroom mirrors and a preparation method of the anti-fogging UV finishing oil. The anti-fogging UV finishing oil for the bathroom mirror comprises the following raw materials in percentage by weight: 30-50% of modified epoxy acrylic resin, 38.5-60.9% of polyurethane acrylic resin, 5-10% of polyfunctional active monomer, 1-2% of reactive organosilicon auxiliary agent, 1-2% of silane coupling agent, 0.1-0.5% of defoaming agent and 2-3% of photoinitiator; the preparation method comprises the following steps: mixing the above materials uniformly. The utility model provides a bathroom mirror is with preventing fogging UV gloss oil, through the synergism between the raw materials, has the advantage of the persistence of preventing fogging that increases.
Description
Technical Field
The application relates to the technical field of UV coatings, in particular to anti-fogging UV finishing oil for bathroom mirrors and a preparation method thereof.
Background
The finishing oil is a coating which is coated on the surface of an object to increase the gloss and protect an inner layer, and is a transparent and bright material with certain fluidity and viscosity prepared by dissolving resin with good film-forming property in a solvent. The UV finishing oil is one of the UV finishing oils, has the characteristics of high efficiency, energy conservation, environmental protection and the like, and is more and more widely applied in the market.
The mirror in the bathroom can form a layer of water mist on the mirror surface under the condition of high humidity after bathing, which brings inconvenience to users. At present, a layer of UV finishing oil is mostly sprayed on the surface of a mirror to form a low surface tension layer on the surface of the mirror, so that a lotus leaf effect is achieved, water vapor is reduced to form water mist on the surface, however, the durability of anti-fogging is not long, spraying is repeatedly carried out after a period of time, and the problem of complexity is solved.
Disclosure of Invention
In order to prolong the anti-fogging durability, the application provides anti-fogging UV finishing oil for bathroom mirrors and a preparation method thereof.
First aspect, the application provides a bathroom mirror is with preventing hazing UV finishing oil, adopts following technical scheme: an anti-fogging UV finishing oil for bathroom mirrors comprises the following raw materials in percentage by weight: 30-50% of modified epoxy acrylic resin, 38.5-60.9% of polyurethane acrylic resin, 5-10% of polyfunctional active monomer, 1-2% of reactive organosilicon auxiliary agent, 1-2% of silane coupling agent, 0.1-0.5% of defoaming agent and 2-3% of photoinitiator, wherein the modified epoxy acrylic resin is prepared by modifying epoxy acrylic resin by adopting phthalic anhydride.
By adopting the technical scheme, the anti-fogging UV finishing oil for the bathroom mirror can enhance the adhesive force of the finishing oil on the surface of the mirror through the synergistic effect of the raw materials, has excellent water resistance and aging resistance, further prolongs the service life, and reduces the falling off of a paint film formed by spraying the finishing oil on the surface of the mirror, so that the anti-fogging durability is increased, wherein the anti-fogging performances are qualified, the water resistance is 240h, the water resistance is not whitish and does not fall off, the adhesive force is 1 grade, the aging resistance is 500h, the initial fogging time is 195s, and the fogging time after friction is 96-182 s.
The mirror in the bathroom is in a high-humidity environment, as water vapor meets the surface of the mirror with lower temperature and is liquefied, fog appears, and after the surface of the mirror is sprayed with the finishing oil, a paint film can be formed on the surface of the mirror. The epoxy acrylic resin and the polyurethane acrylic resin are basic components of the finishing oil, the acrylic resin has unsaturation, can perform polymerization reaction under the action of ultraviolet rays, can provide physical and chemical properties for a paint film after the finishing oil forms the paint film, and can enhance the toughness of the paint film and improve the water resistance and the weather resistance. The epoxy acrylic resin is modified by adopting phthalic anhydride, so that the yellowing resistance can be enhanced, the durability of the finishing oil is improved, and the effect of preventing fogging can be achieved for a long time.
The multifunctional active monomer can adjust the viscosity and improve the hardness of a paint film, thereby improving the durability. The reactive organosilicon auxiliary agent can reduce the surface tension, provide hydrophobic groups and reduce the fogging on the surface of a bathroom mirror. The silane coupling agent can improve the water resistance of a paint film, improve the adhesive force of the paint film on the surface of the mirror and further improve the durability. The defoaming agent can eliminate bubbles in a paint film, and the photoinitiator plays a role in photo-initiation.
Preferably, the method comprises the following steps: the material comprises the following raw materials in percentage by weight: 34.9-48% of modified epoxy acrylic resin, 44-56% of polyurethane acrylic resin, 6-8% of multifunctional active monomer, 1.2-1.8% of reactive organosilicon auxiliary agent, 1.2-1.8% of silane coupling agent, 0.2-0.3% of defoaming agent and 2.2-2.8% of photoinitiator.
By adopting the technical scheme, the mixing amounts of the modified epoxy acrylic resin, the polyurethane acrylic resin, the multifunctional active monomer, the reactive organosilicon auxiliary agent, the silane coupling agent, the defoaming agent and the photoinitiator are optimized, so that the durability of the finishing oil can be further improved, and a better anti-fogging effect is achieved.
Preferably, the method comprises the following steps: the modified epoxy acrylic resin is prepared by the following method: heating the epoxy acrylic resin to 70-95 ℃, adding triethylamine and phthalic anhydride, mixing, uniformly stirring, and cooling to 22 +/-4 ℃ to obtain the modified epoxy acrylic resin.
Further, the modified epoxy acrylic resin is prepared by the following method: heating epoxy acrylic resin to 70-95 ℃, adding triethylamine and phthalic anhydride, mixing, stirring for 20-30min, and cooling to 22 +/-4 ℃ to obtain modified epoxy acrylic resin; wherein the weight ratio of the epoxy acrylic resin to the triethylamine to the phthalic anhydride is 1: (0.015-0.03): (0.5-0.7).
By adopting the technical scheme, the modified epoxy acrylic resin is modified by the method, and the triethylamine is used as a catalyst to promote the reaction, so that the yellowing resistance of the epoxy acrylic resin can be enhanced.
Preferably, the method comprises the following steps: the UV finishing oil also comprises 0.5-1.5% of modified nano titanium dioxide.
By adopting the technical scheme, the nano titanium dioxide has higher specific surface energy, the nano titanium dioxide is modified, the hydroxyl on the surface of the nano titanium dioxide is reduced, the nano titanium dioxide is finally changed into super-hydrophobicity, and the modified nano titanium dioxide is applied to the raw material of the finishing oil, can form a lotus leaf effect on the surface of the mirror, can play a role in preventing fogging, has better photocatalysis effect, can enhance the yellowing resistance of a paint film, prolongs the service life of the paint film, and can play a role in preventing fogging more durably.
Preferably, the method comprises the following steps: the modified nano titanium dioxide is prepared by the following method: putting nano titanium dioxide into absolute ethyl alcohol, uniformly mixing, performing ultrasonic dispersion for 20-40min, adding dimethyl dimethoxy silane, uniformly mixing, adjusting pH, performing condensation reflux for 2-4h at 70-90 ℃, centrifuging, washing solids, and drying to obtain the modified nano titanium dioxide. .
Further, the modified nano titanium dioxide is prepared by the following method: mixing nano titanium dioxide in absolute ethyl alcohol, stirring for 10-15min, performing ultrasonic dispersion for 20-40min, adding dimethyl dimethoxy silane, stirring for 30-40min, adjusting pH to 9-11 with sodium hydroxide solution, performing condensation reflux for 2-4h at 70-90 ℃, centrifuging, washing solids for 3-5 times, and drying to obtain modified nano titanium dioxide;
wherein the weight ratio of the nano titanium dioxide, the absolute ethyl alcohol and the dimethyl dimethoxy silane is 1 (7-9): (0.2-0.4), and the mass fraction of the sodium hydroxide solution is 90%.
By adopting the technical scheme, the surface of the nano titanium dioxide has large specific surface area and high surface energy, two methoxyl groups in the dimethyl dimethoxy silane have high activity, and can easily react with the nano titanium dioxide with hydroxyl groups, the reaction can be accelerated under the alkaline condition, and the hydroxyl groups on the surface of the nano titanium dioxide are reduced after the hydroxyl groups in the nano titanium dioxide are condensed with the methoxyl groups in the dimethyl dimethoxy silane, so that the nano titanium dioxide becomes super-hydrophobic, and the function of preventing fogging is achieved.
Preferably, the method comprises the following steps: the polyurethane acrylic resin comprises high-molecular water-resistant polyurethane acrylic resin and weather-resistant polyurethane acrylic resin.
Preferably, the method comprises the following steps: the weight ratio of the high-molecular water-resistant polyurethane acrylic resin to the weather-resistant polyurethane acrylic resin is 1: 1.
by adopting the technical scheme, the high-molecular water-resistant polyurethane acrylic resin and the weather-resistant polyurethane acrylic resin can improve the toughness, water resistance and weather resistance of a paint film, so that the durability of the finishing oil is conveniently increased, and a better anti-fogging effect is achieved.
Preferably, the method comprises the following steps: the multifunctional active monomer is DPHA, the silane coupling agent is Z-6040, and the reactive organosilicon additive is TEGO RAD 2700.
By adopting the technical scheme, the durability of the finishing oil can be further improved and the anti-fogging effect can be better achieved by limiting the multifunctional active monomer, the silane coupling agent and the reactive organosilicon auxiliary agent.
In a second aspect, the application provides a preparation method of anti-fogging UV (ultraviolet) finishing oil for bathroom mirrors, which adopts the following technical scheme:
a preparation method of anti-fogging UV (ultraviolet) finishing oil for bathroom mirrors comprises the following steps:
and mixing the modified epoxy acrylic resin, the polyurethane acrylic resin, the multifunctional active monomer, the reactive organosilicon auxiliary agent, the silane coupling agent, the defoaming agent and the photoinitiator, and uniformly stirring to obtain the UV finishing oil.
Further, a preparation method of the anti-fogging UV finishing oil for bathroom mirrors comprises the following steps:
mixing the modified epoxy acrylic resin, the polyurethane acrylic resin, the multifunctional active monomer, the reactive organosilicon auxiliary agent, the silane coupling agent, the defoaming agent and the photoinitiator, and stirring for 20-40min to obtain the UV finishing oil.
Preferably, the method comprises the following steps: adding the modified nano titanium dioxide while adding the reactive organosilicon auxiliary agent.
By adopting the technical scheme, the UV finishing oil is prepared by adopting the preparation method, so that the raw materials can be mixed more uniformly, the raw materials can play a better role, the durability of the finishing oil can be prolonged conveniently, and the anti-fogging effect can be achieved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the modified epoxy acrylic resin is adopted, and the phthalic anhydride is used for modifying the epoxy acrylic resin, so that the yellowing resistance of the epoxy acrylic resin can be improved, the durability of the finishing oil is improved, the fog resistance is qualified, the water resistance is up to 240h, the epoxy acrylic resin does not turn white and fall off, the adhesive force is up to level 1, the aging resistance is up to 500h, the epoxy acrylic resin does not turn yellow, the initial fogging time is up to 195s, and the fogging time after friction is up to 182 s.
2. The modified nano titanium dioxide is preferably selected in the application, and the dimethyl dimethoxy silane is adopted to modify the nano titanium dioxide, so that the nano titanium dioxide becomes super-hydrophobic, a lotus effect can be generated on the surface of the mirror, the durability of the overprint varnish is favorably improved, and the anti-fogging effect is realized.
Detailed Description
The present application is described in further detail below with reference to specific contents.
Raw materials
The model of the high-molecular water-resistant polyurethane acrylic resin is L-6206; the weather-resistant polyurethane acrylic resin is S50-9; the model of the antifoaming agent is foamex 825; the model of the photoinitiator is kds689544, and the CAS number is 75980-60-8; the nano silicon dioxide is CW-SiO2001, average particle diameter of 20nm, specific surface area of 80m2G, bulk density of 0.23g/cm3(ii) a The nano titanium dioxide is CW-TiO2-002, average particle diameter of 30nm, specific surface area of 60m2G, bulk density of 0.45g/cm3(ii) a The multifunctional active monomer is DPHA with CAS number of 1499-10-1, density of 1.038, molecular weight of 330, and melting point of 89-92 deg.C; the type of the silane coupling agent is Z-6040; the type of the reactive organosilicon additive is TEGO RAD 2700.
Preparation examples
Preparation example 1
A modified epoxy acrylic resin is prepared by the following method:
heating epoxy acrylic resin to 82 ℃, adding triethylamine and phthalic anhydride, mixing, stirring for 25min, and cooling to 26 ℃ to obtain the modified epoxy acrylic resin, wherein the weight ratio of the epoxy acrylic resin to the triethylamine to the phthalic anhydride is 1:0.028: 0.6.
Preparation example 2
A modified epoxy acrylic resin is prepared by the following method:
adding epoxy acrylic resin into acetone, stirring for 30min, adding nano-silica, stirring for 15min, heating to 70 ℃, and reacting for 4h under heat preservation to obtain the modified epoxy acrylic resin, wherein the weight ratio of acetone to epoxy acrylic resin to nano-silica is 6:3: 2.
Preparation example 3
A modified nanometer titanium dioxide is prepared by the following method:
mixing nano titanium dioxide in absolute ethyl alcohol, stirring for 12min, performing ultrasonic dispersion for 30min, adding dimethyl dimethoxy silane, stirring for 35min, adjusting the pH to 10 by using a sodium hydroxide solution with the mass fraction of 90%, performing condensation reflux for 3h at the temperature of 80 ℃, centrifuging, washing solids for 4 times, and drying to obtain modified nano titanium dioxide;
wherein the weight ratio of the nano titanium dioxide, the absolute ethyl alcohol and the dimethyl dimethoxy silane is 1:8: 0.3.
Preparation example 4
A modified nanometer titanium dioxide is prepared by the following method:
putting the nano titanium dioxide into an absolute ethanol solution, adding dimethyl dimethoxy silane, stirring for 20min, centrifuging, washing the solid for 4 times, and drying to obtain modified nano titanium dioxide; wherein the weight ratio of the nano titanium dioxide, the absolute ethyl alcohol and the dimethyl dimethoxy silane is 1:8: 0.3.
Examples
Example 1
An anti-fogging UV finishing oil for bathroom mirrors is shown in table 1 in the ratio of raw materials.
A preparation method of anti-fogging UV (ultraviolet) finishing oil for bathroom mirrors comprises the following steps:
the modified epoxy acrylic resin, the polyurethane acrylic resin, the multifunctional active monomer, the reactive organosilicon auxiliary agent, the silane coupling agent, the defoaming agent and the photoinitiator which are prepared in the preparation example 1 are mixed and stirred for 30min to obtain the UV finishing oil.
Examples 2 to 5
The anti-fogging UV finishing oil for bathroom mirrors is different from the example 1 in the raw material proportion shown in Table 1.
TABLE 1 EXAMPLES 1-5 micro-cements with various raw material mixing amounts (unit: kg)
Examples 6 to 9
The anti-fogging UV finishing oil for bathroom mirrors is different from the UV finishing oil in the embodiment 3 in the raw material ratio shown in Table 2.
TABLE 2 examples 6-9 amount of each raw material for micro cement (unit: kg)
Example 10
An anti-fogging UV overprint varnish for bathroom mirrors, which is different from example 7 in the point that the source of the modified epoxy acrylic resin in the overprint varnish raw material was different, was prepared by using preparation example 2.
Examples 11 to 13
The anti-fogging UV finishing oil for bathroom mirrors is different from the example 7 in that the doping amount of a photoinitiator in the finishing oil is reduced, the raw materials of the finishing oil also comprise modified nano titanium dioxide prepared by the preparation example 3, the preparation methods are different, the modified nano titanium dioxide is added while a reactive organosilicon auxiliary agent is added, and the raw material ratio is shown in Table 3.
TABLE 3 EXAMPLES 11 to 13 blending amount (unit: kg) of each raw material for micro cement
| Starting materials | Example 11 | Example 12 | Example 13 |
| Modified epoxy acrylic resin | 45 | 45 | 45 |
| High-molecular water-resistant polyurethane acrylic resin | 22 | 22 | 22 |
| Weather-resistant polyurethane acrylic resin | 22 | 22 | 22 |
| Multifunctional reactive monomers | 5 | 5 | 5 |
| Reactive organosilicon auxiliary agent | 1 | 1 | 1 |
| Silane coupling agent | 2 | 1 | 1 |
| Defoaming agent | 0.2 | 0.2 | 0.2 |
| Photoinitiator | 2.3 | 2.8 | 2.3 |
| Modified nano titanium dioxide | 0.5 | 1 | 1.5 |
Example 14
An anti-fogging UV finishing oil for bathroom mirrors is different from example 12 in that modified nano titanium dioxide in the raw material of the finishing oil is different in source and is prepared by using preparation example 4.
Example 15
An anti-fogging UV oil for bathroom mirrors is different from example 12 in that nano titanium dioxide is equivalently replaced by modified nano titanium dioxide in the raw material of the oil.
Comparative example
Comparative example 1
An anti-fogging UV finishing oil for bathroom mirrors is different from example 1 in that epoxy acrylic resin is equivalently replaced by modified epoxy acrylic resin in raw materials of the finishing oil.
Comparative example 2
An anti-fogging UV finishing oil for bathroom mirrors is different from example 1 in that a weather-resistant polyurethane acrylic resin is equivalently replaced by a high-molecular water-resistant polyurethane acrylic resin in the raw materials of the finishing oil.
Comparative example 3
An anti-fogging UV finishing oil for bathroom mirrors is different from example 1 in that a high-molecular water-resistant acrylic resin is equivalently replaced by a weather-resistant urethane acrylic resin in the raw materials of the finishing oil.
Performance test
After cleaning and drying a mirror 50mm × 50mm, the finishing oil in examples 1-15 and comparative examples 1-3 was sprayed on the surface of the mirror in an amount of 0.5kg, and after curing, the following performance tests were performed on the finishing oil on the surface of the mirror after spraying:
antifogging property: the mirror sprayed with the finishing oil is placed in an environment of 5 ℃, the mirror surface is exhaled, if no whitening phenomenon occurs, the mirror is considered to meet the antifogging requirement, and the detection result is shown in table 4.
Water resistance: soaking the mirror in water at 25 deg.C for 240h, and observing whether the mirror surface is whitish and swollen, with the detection results shown in Table 4.
Adhesion force: the adhesion of the overprint varnish was measured according to GB/T1720-1989 paint film adhesion measuring method, and the results are shown in Table 4.
Aging resistance: the aging resistance of the overprint varnish was measured according to GB/T1865-1997 Artificial weathering and Artificial radiation Exposure (filtered xenon arc radiation) for paints and varnishes, and the test results are shown in Table 4.
Durability: the mirror surface after the paint film was formed by spraying the overprint varnish was repeatedly rubbed with 1200-mesh sandpaper for 100 times, and then the antifogging property was tested again, and the test results are shown in table 4.
TABLE 4 test results
As can be seen from Table 4, the anti-fogging UV finishing oil for the bathroom mirror can enhance the adhesive force of the finishing oil on the surface of the mirror through the synergistic effect of the raw materials, has excellent water resistance and aging resistance, prolongs the service life, reduces the falling of a paint film, and also increases the durability of anti-fogging, wherein the anti-fogging properties are qualified, the water resistance is 240h without whitening and falling off, the adhesive force is 1 grade, the aging resistance is 500h without yellowing, the initial fogging time is 102-195s, and the fogging time after friction is 96-182 s.
The combination of the example 1 and the comparative example 1 shows that the antifogging property in the example 1 is qualified, the water resistance is 240h, the blushing and the non-falling are avoided, the adhesion is grade 1, the aging resistance is 500h, the yellowing is avoided, the initial fogging time is 108s, and the fogging time after the friction is 101s, which is superior to that in the comparative example 1, which indicates that the modification of the epoxy acrylic resin by adopting phthalic anhydride in the raw materials of the finishing oil is more suitable, so that the better water resistance and aging resistance can be achieved, and the anti-fogging durability can be further improved.
By combining the example 1 and the comparative examples 2 to 3, the antifogging property in the example 1 is qualified, the water resistance is 240 hours, whitening and non-falling are avoided, the adhesive force is grade 1, the aging resistance is 500 hours, yellowing is avoided, the initial fogging time is 108s, and the fogging time after friction is 101s, which is superior to the comparative examples 2 to 3, and shows that the polyurethane acrylic resin in the finishing oil raw material is more appropriate by adopting a mixture of high-molecular water-resistant polyurethane acrylic resin and weather-resistant polyurethane acrylic resin, so that the better water resistance and aging resistance can be achieved, and the durability of the antifogging property can be further improved.
It can be seen by combining examples 1-5 that the antifogging property in example 3 is qualified, the water resistance is 240h, the blushing and the non-falling are avoided, the adhesion force is grade 1, the aging resistance is 500h, the yellowing is avoided, the initial fogging time is 125s, and the fogging time after the friction is 120s, which is superior to other examples, and the raw material proportion of the finishing oil in example 3 is more appropriate, so that the finishing oil not only has excellent water resistance and aging resistance, but also has the longer anti-fogging durability.
It can be seen from the combination of examples 6 to 9 that the antifogging property in example 7 is qualified, the water resistance is 24h without whitening and falling off, the adhesion is grade 1, the aging resistance is 500h without yellowing, the initial fogging time is 146s, and the fogging time after friction is 130s, which is superior to other examples, and shows that the raw material ratio of the finishing oil in example 7 is more appropriate, so that the finishing oil not only has excellent water resistance and aging resistance, but also has longer antifogging durability.
By combining the example 1 and the example 10, the antifogging property in the example 1 is qualified, the water resistance is 240h, whitening and non-falling are avoided, the adhesive force is grade 1, the aging resistance is 500h, yellowing is avoided, the initial fogging time is 108s, and the fogging time after friction is 101s, which is superior to the example 10, and shows that the phthalic anhydride is more suitable for modifying the epoxy acrylic resin, so that the epoxy acrylic resin not only has excellent water resistance and aging resistance, but also has longer antifogging durability.
By combining example 7 and examples 11-13, it can be seen that the antifogging property in example 12 is acceptable, the water resistance is 240h, whitening and non-falling off are avoided, the adhesion is grade 1, the aging resistance is 500h, yellowing is avoided, the initial fogging time is 195s, and the fogging time after friction is 182s, which is superior to other examples, and shows that the modified nano titanium dioxide is more suitable to be added into the raw material of the finishing oil, so that the better antifogging property can be achieved, and the durability of antifogging can be further improved.
By combining example 7, example 12, example 14 and example 15, it can be seen that the antifogging property in example 12 is qualified, the water resistance is 240h, whitening and non-dropping are avoided, the adhesion is level 1, the aging resistance is 500h, yellowing is avoided, the initial fogging time is 195s, and the fogging time after friction is 182s, which is superior to other examples, and shows that the modified nano titanium dioxide in the finishing oil is more suitable prepared by the preparation example 3, can achieve better antifogging property, and can increase the durability of antifogging.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of the present application is not limited by the embodiments of the present application, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a bathroom mirror is with preventing hazing UV finishing oil which characterized in that: the material comprises the following raw materials in percentage by weight: 30-50% of modified epoxy acrylic resin, 38.5-60.9% of polyurethane acrylic resin, 5-10% of polyfunctional active monomer, 1-2% of reactive organosilicon auxiliary agent, 1-2% of silane coupling agent, 0.1-0.5% of defoaming agent and 2-3% of photoinitiator, wherein the modified epoxy acrylic resin is prepared by modifying epoxy acrylic resin by adopting phthalic anhydride.
2. The anti-fogging UV overprint varnish for bathroom mirrors as claimed in claim 1, wherein: the material comprises the following raw materials in percentage by weight: 34.9-48% of modified epoxy acrylic resin, 44-56% of polyurethane acrylic resin, 6-8% of multifunctional active monomer, 1.2-1.8% of reactive organosilicon auxiliary agent, 1.2-1.8% of silane coupling agent, 0.2-0.3% of defoaming agent and 2.2-2.8% of photoinitiator.
3. The anti-fogging UV overprint varnish for bathroom mirrors as claimed in claim 1, wherein: the modified epoxy acrylic resin is prepared by the following method: heating epoxy acrylic resin to 70-95 ℃, adding triethylamine and phthalic anhydride, mixing, uniformly stirring, and cooling to 22 +/-4 ℃ to obtain the modified epoxy acrylic resin.
4. The anti-fogging UV overprint varnish for bathroom mirrors as claimed in claim 1, wherein: the UV finishing oil also comprises 0.5-1.5% of modified nano titanium dioxide.
5. The anti-fogging UV overprint varnish for bathroom mirrors as claimed in claim 4, wherein: the modified nano titanium dioxide is prepared by the following method: putting nano titanium dioxide into absolute ethyl alcohol, uniformly mixing, performing ultrasonic dispersion for 20-40min, adding dimethyl dimethoxy silane, uniformly mixing, adjusting pH, performing condensation reflux for 2-4h at 70-90 ℃, centrifuging, washing solids, and drying to obtain the modified nano titanium dioxide.
6. The anti-fogging UV overprint varnish for bathroom mirrors as claimed in claim 1, wherein: the polyurethane acrylic resin comprises high-molecular water-resistant polyurethane acrylic resin and weather-resistant polyurethane acrylic resin.
7. The anti-fogging UV finishing oil for bathroom mirrors as claimed in claim 6, wherein: the weight ratio of the high-molecular water-resistant polyurethane acrylic resin to the weather-resistant polyurethane acrylic resin is 1: 1.
8. the anti-fogging UV overprint varnish for bathroom mirrors as claimed in claim 1, wherein: the multifunctional active monomer is DPHA, the silane coupling agent is Z-6040, and the reactive organosilicon additive is TEGO RAD 2700.
9. A method for preparing the anti-fogging UV varnish for bathroom mirrors as claimed in any one of claims 1 to 8, comprising the steps of:
and mixing the modified epoxy acrylic resin, the polyurethane acrylic resin, the multifunctional active monomer, the reactive organosilicon auxiliary agent, the silane coupling agent, the defoaming agent and the photoinitiator, and uniformly stirring to obtain the UV finishing oil.
10. The anti-fogging UV overprint varnish for bathroom mirrors as claimed in claim 9, wherein: adding the modified nano titanium dioxide while adding the reactive organosilicon auxiliary agent.
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|---|---|---|---|---|
| JP2006348075A (en) * | 2005-06-13 | 2006-12-28 | Dainippon Ink & Chem Inc | Resin composition for solder resist ink |
| CN103819654A (en) * | 2014-01-25 | 2014-05-28 | 谭绍早 | Special resin for water-based ultraviolet curing coating and preparation method and application thereof |
| CN106587075A (en) * | 2015-10-14 | 2017-04-26 | 香港理工大学 | Preparation method for super-hydrophobic silica particle and super-hydrophobic coating |
| US20170321060A1 (en) * | 2016-05-06 | 2017-11-09 | Momentive Performance Materials Inc. | Antifog coating composition |
| CN109575238A (en) * | 2018-11-06 | 2019-04-05 | 江苏睿浦树脂科技有限公司 | A kind of UV light-cured epoxy acrylate and preparation method thereof |
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- 2022-03-25 CN CN202210301536.1A patent/CN114539910A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006348075A (en) * | 2005-06-13 | 2006-12-28 | Dainippon Ink & Chem Inc | Resin composition for solder resist ink |
| CN103819654A (en) * | 2014-01-25 | 2014-05-28 | 谭绍早 | Special resin for water-based ultraviolet curing coating and preparation method and application thereof |
| CN106587075A (en) * | 2015-10-14 | 2017-04-26 | 香港理工大学 | Preparation method for super-hydrophobic silica particle and super-hydrophobic coating |
| US20170321060A1 (en) * | 2016-05-06 | 2017-11-09 | Momentive Performance Materials Inc. | Antifog coating composition |
| CN109575238A (en) * | 2018-11-06 | 2019-04-05 | 江苏睿浦树脂科技有限公司 | A kind of UV light-cured epoxy acrylate and preparation method thereof |
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Application publication date: 20220527 |