CN115403969B - UV-cured high-wear-resistance Gao Shushui coating and preparation method thereof - Google Patents
UV-cured high-wear-resistance Gao Shushui coating and preparation method thereof Download PDFInfo
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- 238000000576 coating method Methods 0.000 title claims abstract description 67
- 239000011248 coating agent Substances 0.000 title claims abstract description 62
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000011347 resin Substances 0.000 claims abstract description 46
- 229920005989 resin Polymers 0.000 claims abstract description 46
- 239000003960 organic solvent Substances 0.000 claims abstract description 15
- 239000002994 raw material Substances 0.000 claims abstract description 5
- 239000002904 solvent Substances 0.000 claims description 32
- 239000004925 Acrylic resin Substances 0.000 claims description 16
- 229920000178 Acrylic resin Polymers 0.000 claims description 16
- NQSMEZJWJJVYOI-UHFFFAOYSA-N Methyl 2-benzoylbenzoate Chemical group COC(=O)C1=CC=CC=C1C(=O)C1=CC=CC=C1 NQSMEZJWJJVYOI-UHFFFAOYSA-N 0.000 claims description 14
- 238000005299 abrasion Methods 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 8
- 239000011159 matrix material Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000011261 inert gas Substances 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 230000001678 irradiating effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- ZHPNWZCWUUJAJC-UHFFFAOYSA-N fluorosilicon Chemical compound [Si]F ZHPNWZCWUUJAJC-UHFFFAOYSA-N 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- -1 photoinitiators Substances 0.000 claims 1
- 238000004381 surface treatment Methods 0.000 abstract description 4
- 239000002861 polymer material Substances 0.000 abstract description 3
- 238000002715 modification method Methods 0.000 abstract description 2
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 23
- 230000000052 comparative effect Effects 0.000 description 11
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 9
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 8
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 8
- 239000003550 marker Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 3
- 239000012752 auxiliary agent Substances 0.000 description 3
- 238000001723 curing Methods 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 229920005749 polyurethane resin Polymers 0.000 description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N acetone Substances CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 125000001153 fluoro group Chemical group F* 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 125000003944 tolyl group Chemical group 0.000 description 2
- KTALPKYXQZGAEG-UHFFFAOYSA-N 2-propan-2-ylthioxanthen-9-one Chemical compound C1=CC=C2C(=O)C3=CC(C(C)C)=CC=C3SC2=C1 KTALPKYXQZGAEG-UHFFFAOYSA-N 0.000 description 1
- SYBYTAAJFKOIEJ-UHFFFAOYSA-N 3-Methylbutan-2-one Chemical compound CC(C)C(C)=O SYBYTAAJFKOIEJ-UHFFFAOYSA-N 0.000 description 1
- UGVRJVHOJNYEHR-UHFFFAOYSA-N 4-chlorobenzophenone Chemical compound C1=CC(Cl)=CC=C1C(=O)C1=CC=CC=C1 UGVRJVHOJNYEHR-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000003848 UV Light-Curing Methods 0.000 description 1
- VDRSDNINOSAWIV-UHFFFAOYSA-N [F].[Si] Chemical group [F].[Si] VDRSDNINOSAWIV-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- GJYCVCVHRSWLNY-UHFFFAOYSA-N ortho-butylphenol Natural products CCCCC1=CC=CC=C1O GJYCVCVHRSWLNY-UHFFFAOYSA-N 0.000 description 1
- 238000000016 photochemical curing Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- 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
-
- 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
- C08F2/00—Processes of polymerisation
- C08F2/46—Polymerisation initiated by wave energy or particle radiation
- C08F2/48—Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light
-
- 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
- C09D7/20—Diluents or solvents
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Paints Or Removers (AREA)
Abstract
The application relates to the technical field of C09D high polymer materials, and in particular provides a UV-cured high-wear-resistance Gao Shushui coating and a preparation method thereof. The preparation raw materials of the high wear-resistant Gao Shushui coating provided by the application comprise solvent-type UV resin, a photoinitiator and an organic solvent, and the prepared coating has excellent hardness, wear resistance, glossiness and hydrophobicity compared with the prior art by strictly limiting the modification method, functionality and viscosity of the solvent-type UV resin and interacting with the photoinitiator, so that the high wear-resistant Gao Shushui coating has potential application value in the field of surface treatment of electronic products.
Description
Technical Field
The application relates to the technical field of C09D high polymer materials, and in particular provides a UV-cured high-wear-resistance Gao Shushui coating and a preparation method thereof.
Background
With the rapid development of high polymer materials, in recent years, UV-cured coatings have been widely used for surface coating treatment in the fields of floors, home appliance housings, automobiles, and the like, because of their advantages of short curing time, high glossiness, scratch resistance, and the like. With the continuous expansion of the application field of the UV cured coating, the performance requirements of the market on the UV cured coating are increased, especially in the fields of computers, mobile phones, cameras and the like, the hardness, the wear resistance and the hydrophobicity of the UV cured coating in the prior art can not meet the requirements of the surface coating treatment of electronic products, so that the service life of the electronic products is reduced.
The Chinese patent publication No. CN112175507A discloses a high-surface-hardness hybrid polyurethane acrylate UV coating, a nano-hybrid modification method is adopted for a resin matrix in the disclosure, the problem that the surface hardness and the wear resistance of a photo-curing coating are poor in the prior art is solved, but the hydrophobicity of the polyurethane acrylate UV coating obtained by the scheme is not remarkably reflected, the practical application range of the UV coating is limited, and in addition, the preparation method of the UV coating in the disclosure is complex and is not beneficial to industrialized mass production.
The application patent of China with the publication number of CN105860822A discloses a high wear-resistant flexible rubber hand feeling water-based UV coating, in the patent, by introducing auxiliary agents such as extinction powder, flatting agent and the like into organosilicon modified water-based polyurethane resin, the prepared UV coating solves the problems of poor water resistance and hardness of the water-based polyurethane resin, has excellent wear resistance, but a plurality of auxiliary agents are added in the scheme, so that on one hand, the industrialized production cost is increased, and on the other hand, complex effects among the auxiliary agents possibly exist, the long-term storage stability of a coating system is influenced, and the comprehensive performance of the UV resin is reduced.
Therefore, developing a UV cured coating with excellent hardness, wear resistance and hydrophobicity has potential application value in the field of surface treatment of electronic products.
Disclosure of Invention
In order to solve the technical problems, the first aspect of the application provides a UV-cured high-wear-resistance Gao Shushui coating, which is prepared from the following raw materials: solvent type UV resin, photoinitiator and organic solvent.
As a preferable technical scheme of the application, the weight ratio of the solvent type UV resin to the photoinitiator is (20-30): (3-10).
As a more preferable technical scheme of the application, the weight ratio of the solvent type UV resin to the photoinitiator is 25:5.
as a preferable technical scheme of the application, the weight ratio of the solvent type UV resin to the organic solvent is (20-30): (60-80).
As a more preferable technical scheme of the application, the weight ratio of the UV resin to the organic solvent is 25:70.
as a preferable technical scheme of the application, the solvent-type UV resin is a modified solvent-type UV resin.
As a preferred embodiment of the present application, the modified solvent-based UV resin includes at least one of a fluorosilicone modified solvent-based UV resin, a silsesquioxane modified solvent-based UV resin, and a polyester modified solvent-based UV resin.
As a more preferable technical scheme of the application, the modified solvent-based UV resin is a fluorosilicone modified solvent-based UV resin.
As a preferable technical scheme of the application, the functionality of the fluorosilicone modified solvent type UV resin is 5-15.
As a more preferred embodiment of the present application, the fluorosilicone modified solvent-based UV resin has a functionality of 12.
As a preferable technical scheme of the application, the viscosity of the fluorosilicone modified solvent type UV resin is 10000-50000mPa.s at 25 ℃.
As a more preferable technical scheme of the application, the viscosity of the fluorosilicone modified solvent type UV resin is 10000-30000mPa.s at 25 ℃.
As a preferable technical scheme of the application, the resin matrix of the fluorosilicone modified solvent-based UV resin comprises at least one of epoxy resin, acrylic resin, polyurethane resin and epoxy acrylic resin.
As a preferable technical scheme of the application, the resin matrix of the fluorosilicone modified solvent-based UV resin is acrylic resin.
The present inventors have unexpectedly found that when fluorine atoms and silicon atoms are introduced into an acrylic resin, the fluorine atoms and silicon atoms interact with acrylic acid, giving the acrylic resin excellent weather resistance, oxidation resistance and abrasion resistance, and having wide applications in the field of surface treatment of equipment in the open air for a long period of time. The inventors have unexpectedly found that when the fluorosilicone-modified acrylic resin has a functionality of 12, it can be used in a weight ratio of 0.4:1.3 under the action of methyl o-benzoyl benzoate and 2,4,6- (trimethylbenzoyl) diphenyl phosphine oxide, the irradiation light quantity of ultraviolet rays is 800mj/cm 2 Is cured rapidly; on the other hand, the adhesive force between the coating and the surface of the shell substrate of the electronic product is enhanced, the problem that the acrylic acid coating is easy to fall off on the surface of the shell substrate of the electronic product is effectively avoided, but the coating still has the problem of poor hardness and hydrophobicity. The inventor has found through a great deal of creative thinking and experimental accidents that when the viscosity of the fluorosilicone modified acrylic resin is 10000-30000mPa.s at 25 ℃, the compatibility of the methyl o-benzoyl benzoate and the 2,4,6- (trimethylbenzoyl) diphenyl phosphine oxide in the system is improved, the flow resistance among molecules in the system is improved, the wettability of the coating on the surface of the shell substrate of the electronic product is enhanced, the adhesive force of the coating is improved, the crosslinking density of the system is enhanced, and the hardness and the hydrophobicity of the coating are obviously improved.
As a preferable technical scheme of the application, the photoinitiator comprises at least one of methyl o-benzoyl benzoate, 4-chlorobenzophenone, 2-hydroxy-2-methyl-1-phenyl-1-acetone, 4-dimethylamino-ethyl benzoate, 2-isopropylthioxanthone, 2-methyl-1- [ 4-methylthiophenyl ] 2-morpholino-1-acetone and 2,4,6- (trimethylbenzoyl) diphenyl phosphine oxide.
As a more preferable technical scheme of the application, the photoinitiator is methyl o-benzoyl benzoate, 2,4,6- (trimethyl benzoyl) diphenyl phosphine oxide, and the weight ratio of the methyl o-benzoyl benzoate to the 2,4,6- (trimethyl benzoyl) diphenyl phosphine oxide is (0.2-0.6): (1-1.5).
As a preferable technical scheme of the application, the weight ratio of the methyl o-benzoyl benzoate to the 2,4,6- (trimethylbenzoyl) diphenyl phosphine oxide is 0.4:1.3.
as a preferable technical scheme of the application, the organic solvent comprises at least one of toluene, xylene, butyl acetate, phenol and methyl butanone.
As a more preferable technical scheme of the application, the organic solvent is toluene, butyl acetate, and the weight ratio of toluene to butyl acetate is (0.5-2.5): (2-3).
As a most preferable technical scheme of the application, the weight ratio of toluene to butyl acetate is 1.5:2.5.
in a second aspect, the application provides a method for preparing a UV cured highly abrasion resistant Gao Shushui coating, comprising the steps of:
(1) Mixing and stirring solvent type UV resin and an organic solvent, adding a photoinitiator and stirring to obtain a uniformly mixed mixture;
(2) And (3) coating the mixture obtained in the step (1) on the surface of a substrate by using a wire rod, heating and drying, and then irradiating with ultraviolet rays under the protection of inert gas to obtain the high-wear-resistance Gao Shushui coating.
Wherein, the time of mixing and stirring the solvent type UV resin and the organic solvent in the step (1) is 0.5-1.5h, and the time of adding the photoinitiator and stirring is 20-40min;
the diameter of the silk stick in the step (2) is 25-45 mu m;
the substrate in the step (2) comprises at least one of glass, PE plate, PP plate, PVC plate and PS plate;
the temperature of the heating and drying in the step (2) is 60-100 ℃ for 1-10min;
the inert gas in the step (2) comprises at least one of nitrogen and argon;
the ultraviolet irradiation amount of the ultraviolet irradiation in the step (2) is 500-1000mj/cm 2 。
Compared with the prior art, the application has the following beneficial effects:
1. the high wear-resistant Gao Shushui coating prepared by the application adopts the fluorine-silicon atom-containing modified acrylic resin as a curing matrix, and when the functionality of the fluorine-silicon-containing modified acrylic resin is 12, the adhesive force and the hardness of the coating are enhanced while the excellent weather resistance, oxidation resistance and wear resistance of the acrylic resin are ensured;
2. the high wear-resistant Gao Shushui coating prepared by the application promotes the compatibility of methyl o-benzoyl benzoate and 2,4,6- (trimethylbenzoyl) diphenyl phosphine oxide in the system when the viscosity of the fluorosilicone modified acrylic resin is 10000-30000mPa.s at 25 ℃, enhances the utilization rate of raw materials, and enhances the wettability, hardness and hydrophobicity of the coating;
3. the high wear-resistant Gao Shushui coating prepared by the application has the following weight ratio of 0.4 when being added into a system: 1.3, methyl o-benzoyl benzoate and 2,4,6- (trimethylbenzoyl) diphenyl phosphine oxide, which interact with fluorosilicone modified acrylic resin with functionality of 12 and viscosity of 10000-30000mPa.s in the system; realizing the ultraviolet irradiation light quantity of 800mj/cm 2 The curing efficiency of the fluorine-silicon modified acrylic resin is improved;
4. the high wear-resistant Gao Shushui coating prepared by the application adopts the following components in percentage by weight: 2.5 toluene and butyl acetate, ensuring the full dissolution of specific fluorine-silicon modified acrylic resin in the system and ensuring the ultraviolet irradiation light quantity to be 800mj/cm 2 On the basis of the fully cured coating on the shell base of the electronic productThe adhesive force of the material surface enhances the protection degree of the UV curing coating on the shell of the electronic product and prolongs the service life of the electronic product;
5. the high-wear-resistance Gao Shushui coating prepared by the application takes the fluorosilicone modified resin with specific functionality and viscosity as a matrix, and the prepared coating has excellent hardness under ultraviolet irradiation, the pencil hardness can reach 9H, and meanwhile, the coating has excellent wear resistance, glossiness and hydrophobicity, and has wide application prospects in the field of surface treatment of electronic products, and particularly has potential application values on the surfaces of computers, mobile phones and camera shells.
Detailed Description
Examples
Examples1
Example 1 provides a UV cured highly abrasion resistant Gao Shushui coating, the preparation raw materials comprising, in weight percent: solvent type UV resin 25%, photoinitiator 5% and organic solvent 70%.
The solvent type UV resin is fluorine-silicon modified acrylic resin, which is purchased from Guangdong Star technology Co., ltd, has a functionality of 12 and a viscosity of 10000-30000mPa.s at 25 ℃;
the photoinitiator is methyl o-benzoyl benzoate, 2,4,6- (trimethylbenzoyl) diphenyl phosphine oxide, and the weight ratio of the methyl o-benzoyl benzoate to the 2,4,6- (trimethylbenzoyl) diphenyl phosphine oxide is 0.4:1.3; the CAS number of the methyl o-benzoyl benzoate is 606-28-0, and the CAS number of the 4,6- (trimethylbenzoyl) diphenyl phosphine oxide is 75980-60-8;
the organic solvent is toluene and butyl acetate, and the weight ratio of toluene to butyl acetate is 1.5:2.5; the CAS number of toluene is 108-88-3, and the CAS number of butyl acetate is 123-86-4;
the preparation method of the high-wear-resistance Gao Shushui coating comprises the following steps:
(1) Mixing and stirring solvent type UV resin and an organic solvent, adding a photoinitiator and stirring to obtain a uniformly mixed mixture;
(2) And (3) coating the mixture obtained in the step (1) on the surface of a substrate by using a wire rod, heating and drying, and then irradiating with ultraviolet rays under the protection of inert gas to obtain the high-wear-resistance Gao Shushui coating.
Wherein, the mixing and stirring time of the solvent type UV resin and the organic solvent in the step (1) is 1h, and the stirring time of adding the photoinitiator is 30min;
the diameter of the silk stick in the step (2) is 35 mu m;
the substrate in the step (2) is glass;
the temperature of the heating and drying in the step (2) is 80 ℃ and the time is 3min;
the inert gas in the step (2) is nitrogen;
the amount of the ultraviolet irradiation of the step (2) is 800mj/cm 2 。
Comparative example1
The embodiment of comparative example 1 is the same as example 1 except that the fluorosilicone modified solvent-based UV resin has a functionality of 3.
Comparative example2
The embodiment of comparative example 2 is the same as example 1 except that the fluorosilicone modified solvent-based UV resin has a viscosity of 800 mpa.s at 25 ℃.
Evaluation of Performance
(1) Hardness test
The high abrasion resistant Gao Shushui coatings prepared in example 1 and comparative examples 1-2 were prepared according to GB/T6739-2006 color paint and varnish: the pencil leads to measure the hardness of the paint film, and the hardness of the coating is detected, and the data are shown in Table 1;
(2) Wear resistance test
The high abrasion-resistant Gao Shushui coatings prepared in the example 1 and the comparative examples 1-2 were rubbed 2000 times by using a weight of 1kg of 0# steel wool, and the surface condition of the coatings was observed;
if the surface of the coating is not scratched, the coating is A-grade;
if the surface of the coating is scratched, the coating is B-grade, and the measured data are shown in Table 1;
(3) Hydrophobicity test
The high abrasion-resistant Gao Shushui coating prepared in the example 1 and the comparative example 1-2 is subjected to contact angle measurement by a contact angle measuring instrument, the larger the contact angle is, the stronger the hydrophobicity of the coating is, and measured data are shown in table 1;
(4) Gloss test
The high abrasion-resistant Gao Shushui coatings prepared in the example 1 and the comparative example 1-2 are tested for glossiness according to GB/T1743-79 paint film glossiness assay, and the measured data are shown in Table 1;
(5) Oil resistance marker performance
Drawing a straight line with the length of 1cm by using an oily marker on the high wear-resistant and high-hydrophobicity coating prepared in the example 1 and the comparative example 1-2, standing for 5min, and wiping the coating by using a paper towel;
if the straight line can be completely wiped off, the performance of the oil resistance marker of the coating is qualified;
if the straight line cannot be completely wiped off, the oil resistance marker performance of the coating is unqualified
TABLE 1
| Hardness of | Wear resistance | Contact angle (degree) | Gloss (%) | Oil resistance marker performance | |
| Example 1 | 9H | Class A | 108 | 130 | Qualified product |
| Comparative example 1 | 4H | Class B | 90 | 115 | Failure to pass |
| Comparative example 2 | 4H | Class B | 92 | 110 | Failure to pass |
Claims (3)
1. A UV-cured highly abrasion-resistant Gao Shushui coating, characterized in that the raw materials for the preparation comprise the following components: solvent-based UV resins, photoinitiators, organic solvents;
the weight ratio of the solvent-type UV resin to the photoinitiator is (20-30): (3-10);
the weight ratio of the solvent type UV resin to the organic solvent is (20-30): (60-80);
the photoinitiator is methyl o-benzoyl benzoate, 2,4,6- (trimethylbenzoyl) diphenyl phosphine oxide, and the weight ratio of the methyl o-benzoyl benzoate to the 2,4,6- (trimethylbenzoyl) diphenyl phosphine oxide is 0.4:1.3;
the solvent-type UV resin is a modified solvent-type UV resin;
the modified solvent type UV resin is fluorine-silicon modified solvent type UV resin;
the functionality of the fluorosilicone modified solvent-based UV resin is 12;
the viscosity of the fluorosilicone modified solvent type UV resin is 10000-30000mPa.s at 25 ℃;
the resin matrix of the fluorosilicone modified solvent UV resin is acrylic resin.
2. A method of preparing a highly abrasion resistant Gao Shushui coating according to claim 1, comprising the steps of:
(1) Mixing and stirring solvent type UV resin and an organic solvent, adding a photoinitiator and stirring to obtain a uniformly mixed mixture;
(2) And (3) coating the mixture obtained in the step (1) on the surface of a substrate by using a wire rod, heating and drying, and then irradiating with ultraviolet rays under the protection of inert gas to obtain the high-wear-resistance Gao Shushui coating.
3. The method for producing a highly abrasion-resistant Gao Shushui coating according to claim 2, wherein the amount of ultraviolet irradiation in step (2) is 500-1000mj/cm 2 。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111571436.2A CN115403969B (en) | 2021-12-21 | 2021-12-21 | UV-cured high-wear-resistance Gao Shushui coating and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111571436.2A CN115403969B (en) | 2021-12-21 | 2021-12-21 | UV-cured high-wear-resistance Gao Shushui coating and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN115403969A CN115403969A (en) | 2022-11-29 |
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| CN111234682A (en) * | 2020-01-17 | 2020-06-05 | 成都迪泰化工有限公司 | Photosensitive graphene oxide UV (ultraviolet) photocuring building coating and preparation method thereof |
| CN111826061A (en) * | 2020-06-16 | 2020-10-27 | 深圳市佰瑞兴实业有限公司 | Antifouling and anti-glare coating and preparation method thereof |
| CN113683952A (en) * | 2021-09-02 | 2021-11-23 | 湖南宏泰新材料有限公司 | Rubber hand-feeling anti-dazzle anti-fingerprint wear-resistant hardening liquid and preparation method thereof |
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| CN102220084A (en) * | 2010-04-14 | 2011-10-19 | 比亚迪股份有限公司 | Photocureable coating and curing method thereof |
| CN104375223A (en) * | 2014-11-02 | 2015-02-25 | 合肥乐凯科技产业有限公司 | Film used for manufacturing brightness enhancement film |
| CN108141964A (en) * | 2015-09-30 | 2018-06-08 | 太阳油墨制造株式会社 | Ink-jet solidification compound, cured coating film and printed circuit board using it |
| CN107151527A (en) * | 2017-05-19 | 2017-09-12 | 上海绘兰材料科技有限公司 | Acrylate resin composition, optical film back coating for optical film back coating and preparation method thereof |
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| CN111234682A (en) * | 2020-01-17 | 2020-06-05 | 成都迪泰化工有限公司 | Photosensitive graphene oxide UV (ultraviolet) photocuring building coating and preparation method thereof |
| CN111826061A (en) * | 2020-06-16 | 2020-10-27 | 深圳市佰瑞兴实业有限公司 | Antifouling and anti-glare coating and preparation method thereof |
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