CN101210144A - Ultraviolet light solidifying matt coating and preparation method thereof - Google Patents
Ultraviolet light solidifying matt coating and preparation method thereof Download PDFInfo
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Abstract
The invention provides a uv-curing dulling coating, which contains base resin, diluent, photoinitiator, pure acrylate and dulling powder, wherein, the dulling powder is immersed in alcoholic solvents. The uv-curing dulling coating prepared according to the invention has the advantages of good stability, being convenient for long-term storage, etc., which is conducive to the practical application of the coating.
Description
Technical field
The invention relates to a kind of ultraviolet-curing paint and preparation method thereof, especially about a kind of ultraviolet light cured burnished paint and preparation method thereof.
Background technology
Ultraviolet-curing paint is the photo-cured coating that a kind of development in recent years is got up.Ultraviolet-curing paint is under action of ultraviolet light, and the photoactive substance in its system can produce active particle or group by photochemical reaction, thereby the reactive resin in the initiator system carries out crosslinking polymerization, and then obtains the hardened paint film.
Ultraviolet light cured burnished paint is on the basis of ultraviolet-curing paint, obtains behind the mute light powder of adding.This coating is a kind of coatings with low gloss finish, and the paint film appearance gloss that is obtained by its curing is soft, and is not strong, therefore also claims sheen.Be widely used as the finish paint of woodenware, leather and metal etc. at present.
Generally speaking, the particle dia of mute light powder that is used for ultraviolet light cured burnished paint is less, and reason is that coating surface was slightly made after particle dia was easy to too greatly cause photocuring, spot appears, the surface appearance variation, feel is poor, and causes the decline of paint film adhesion easily.But the little feasible mute light powder of particle dia disperses the difficulty that becomes when joining in the coating, and in addition, mute light powder precipitates in the process of leaving standstill easily, therefore can't standing storage.
For the problems referred to above, be difficult to obtain good effect by stirring or prolonging churning time simply.CN 1436824A discloses a kind of ultraviolet light cured burnished paint, this coating is made up of urethane acrylate, reactive reactive thinner, light trigger, mute light powder and auxiliary agent, wherein, described auxiliary agent comprises flow agent, mute light powder directing agent, defoamer, wetting dispersing agent and wax powder.Described mute light powder directing agent, wetting dispersing agent and wax powder all play promoter action to the dispersion of mute light powder, cause certain influence but its shortcoming is the performance that adds the coating that affiliation forms ultraviolet light cured burnished paint of described mute light powder directing agent, wetting dispersing agent and wax powder.For example, in this inventive embodiment, the hardness of the coating that obtains according to its embodiment only is 3B, and sticking power is also relatively poor.
CN 1778852A discloses a kind of ultraviolet-curing paint, and this coating contains matrix resin, thinner, mute light powder and light trigger, contains or does not contain auxiliary agent, it is characterized in that this coating also contains the pure acrylic acid ester.The adding of pure acrylic acid resin makes that under the situation that does not add mute light powder directing agent and wetting dispersing agent it is dispersed preferably that mute light powder is had, but this coating is when using the mute light powder of handling without wax, and the stability of coating obviously descends.And the processing of the wax of mute light powder need be coated on the wax powder on the mute light powder particles equably, and its process is comparatively complicated, and the cost of the mute light powder of wax processing is also corresponding higher.
Summary of the invention
The objective of the invention is to overcome the shortcoming of the dispersed bad and ultraviolet light cured burnished paint poor stability of the mute light powder of ultraviolet light cured burnished paint of the prior art, provide a kind of and can improve high ultraviolet light cured burnished paint of mute light powder good dispersity and stability and preparation method thereof.
The invention provides a kind of ultraviolet light cured burnished paint, this coating contains matrix resin, thinner, light trigger, pure acrylic acid ester and mute light powder, and wherein, described mute light powder is the mute light powder that soaked through alcoholic solvent.
The invention provides a kind of preparation method of ultraviolet light cured burnished paint, this method comprises mixes matrix resin, thinner and light trigger, described light trigger is dissolved fully, and described matrix resin is dispersed in the described thinner, add mute light powder, mix, it is characterized in that, with alcoholic solvent described mute light is soaked earlier.
The present invention will make mute and join in the mixture of coating after the light powder soaks with alcoholic solvent again, improve the dispersiveness of mute light powder greatly, make the stability of ultraviolet light cured burnished paint strengthen.For example, the ultraviolet light cured burnished paint that makes according to the present invention, precipitation just appears more than 30 weeks at least, and according to prior art, mute light powder is handled through wax, its ultraviolet light cured burnished paint that obtains precipitation just occurs in the 20th week, and mute light powder also precipitation occurs in the 26th week after wax is handled.
The present invention is not carrying out under the situation of wax processing mute light powder, and ultraviolet light cured burnished paint still has advantages of excellent stability, even than adding the better effects if that the wax powder is obtained.Therefore, the ultraviolet light cured burnished paint that the present invention prepares has good stability, is convenient to advantages such as standing storage, helps the practical application of coating.
In addition, the present invention only soaks with alcoholic solvent mute light powder, and this alcoholic solvent can be used as the part of the thinner of coating simultaneously.Therefore, method provided by the invention has not only reduced the consumption of auxiliary agent in the preparation coating process, has reduced preparation cost, has improved the efficient of coating material production simultaneously.
Embodiment
According to coating provided by the invention, this coating contains matrix resin, thinner, light trigger, pure acrylic acid ester and mute light powder, and wherein, described mute light powder is the mute light powder that soaked through alcoholic solvent.
Alcoholic solvent of the present invention can be one or more in methyl alcohol, ethanol, Virahol, propyl alcohol, propyl carbinol, diacetone alcohol, ethylene glycol ethyl ether, butyl glycol ether, propylene glycol butyl ether and the diethylene glycol monobutyl ether, and described alcoholic solvent is one or more in Virahol, propyl alcohol and the propyl carbinol under the preferable case.As long as the consumption of described alcoholic solvent can make mute light powder fully soak into the dispersion state that is stable, the amount of preferred described alcoholic solvent is 2-5 times of mute light grain weight amount, described alcoholic solvent is more than 0.5 hour to the soak time of mute light powder, the soak time proper extension, the corresponding raising of the effect that obtains, but overlong time does not have further change to the state of mute light powder, only can make the production cycle prolong, and production efficiency reduces.Therefore, preferred soak time is 0.5-2 hour.Need to prove that the used alcoholic solvent of the present invention also can be used as the part of the thinner in the coating, also is that the amount of added thinner in the coating can comprise alcoholic solvent.
According to the present invention, described mute light powder is conventionally known to one of skill in the art.Described mute light powder for example, can be SiO so long as there is the material of photoextinction to get final product
2And/or CaCO
3Described mute light powder can be commercially available.For example, can be selected from the mute light powder that model is OK500, OK520, OK607, TS100, SP4-9705, SS-230, ML-388W, ML-389W, ML-399AW, SD-520L, SD-520 and SD-530L one or more.Wherein OK series is the mute light powder of Degussa company product, TS series is for being the mute light powder that U.S. W. R. Grace ﹠ Co produces, SS series is the mute light powder that Korea S SENWO company produces, and ML series is the mute light powder that Korea S DCC company produces, and SD series is that Beijing company of space flight Saden company produces.
Coating surface was slightly made after the particle dia of described mute light powder was easy to too greatly cause photocuring, spot occurred, the surface appearance variation, and feel is poor, and causes the decline of paint film adhesion easily.The too small extinction effect variation that then makes mute light powder of particle dia increases raw-material cost.Therefore, the average particle diameter (D of the mute light powder of the coating that provides of the present invention
50) be the 2-8 micron, be preferably the 3-5 micron.
According to coating provided by the invention, described matrix resin is selected from one or more in the existing ultraviolet-curing paint matrix resin commonly used, for example, can be selected from polyester acrylate, urethane acrylate and the Epocryl one or more.Under the preferable case, described matrix resin is a urethane acrylate, and described urethane acrylate can be aliphatic urethane acrylate and/or aromatic urethane acrylate.Described matrix resin all is available commercially.Gross weight with coating is a benchmark, and the content of described matrix resin can be 5-90 weight %, is preferably 12-70 weight %.
Thinner of the present invention can be an organic solvent, also can be that the organic solvent and the sense number of degrees are the mixture of 1-6 acrylate monomer.Under the preferable case, described dilution is an organic solvent, this organic solvent can be one or more in the ultraviolet-curing paint organic solvent commonly used, for example, one or more in toluene, ethyl acetate, butylacetate, isobutyl acetate, propyl acetate, methyl alcohol, ethanol, Virahol, propyl alcohol, propyl carbinol, pimelinketone, dimethylbenzene, hexone, acetone, methylethylketone, ethylene glycol ethyl ether, butyl glycol ether and the propylene glycol butyl ether.The kind of organic solvent and consumption can fully dissolve described matrix resin, and has suitable volatility, solvency power is too strong, end phenomenon then may appear stinging (when coating finish or following road lacquer, adopt the strong excessively thinner of solvency power, with priming paint swollen phenomenon), vaporator rate too greatly then may cause the paint film unfairness.Because mixed solvent is moderate in solvency power, and can volatilize in gradient, can make the coating of formation more level and smooth.Therefore, further under the preferable case, described thinner is two or more the mixture in toluene, ethyl acetate, butylacetate, isobutyl acetate, propyl acetate, methyl alcohol, ethanol, Virahol, propyl alcohol, propyl carbinol, pimelinketone, dimethylbenzene, hexone, acetone, methylethylketone, ethylene glycol ethyl ether, butyl glycol ether and the propylene glycol butyl ether.Gross weight with coating is a benchmark, and the content of thinner can be 2-90 weight %, is preferably 15-70 weight %.
The described sense number of degrees are that 1-6 acrylate monomer is conventionally known to one of skill in the art.For example, the single functionality acrylate monomer can be selected from one or more in Hydroxyethyl acrylate (HEA), isobornyl acrylate, isobornyl methacrylate, Isooctyl acrylate monomer, propyl methacrylate, tetrahydrofuran (THF) acrylate, tetrahydrofuran methyl acrylate, glycidyl methacrylate, vinylformic acid caprolactone, the ethoxyquin hydroxyethyl meth acrylate.The difunctionality acrylate monomer can be selected from tri (propylene glycol) diacrylate (TPGDA), 1, in 6 hexanediyl esters (HDDA), 1,6 hexylene glycol dimethyl diacrylate (HDDMA), propylene glycol diacrylate, (2) ethoxyquin bisphenol a dimethacrylate, the polyethyleneglycol diacrylate one or more.Three-functionality-degree diluted acid ester monomer can be selected from one or more in Viscoat 295 (TMPTA), Viscoat 295, trimethylol propane trimethyl triacrylate, (6) ethoxyquin Viscoat 295, (6) third oxidation Viscoat 295s, pentaerythritol triacrylate, (5,5) the high reactivity glycerol propoxylate triacrylate.Four functionality acrylate monomers can be selected from one or more in two-trimethylolpropane tetra-acrylate, tetramethylol methane tetraacrylate, (4) ethoxyquin tetramethylol methane tetraacrylate, five functionality diluted acid ester monomers can be selected from five acrylate and/or tetramethylolmethane five acrylate, and six functionality diluted acid ester monomers can be selected from dipentaerythritol acrylate.
The kind of light trigger of the present invention and consumption are conventionally known to one of skill in the art.For example, described light trigger can be selected from Irgacure651, Irgacure184, Irgacure369, Irgacure754, Irgacure2022, one or more among darocurl173 and the darocurMBF.Irgacure wherein, darocur series all is Switzerland vapour Bagong department products.Gross weight with coating is a benchmark, and the content of described light trigger is that the content of light trigger can be 1-10 weight %, is preferably 2-8 weight %.
The kind of pure acrylic acid ester of the present invention and consumption are conventionally known to one of skill in the art.Gross weight with coating is a benchmark, and the content of pure acrylic acid ester can be 1-20 weight %, is preferably 5-15 weight %.
Under the preferable case, ultraviolet light cured burnished paint provided by the invention also contains auxiliary agent, and described auxiliary agent is conventionally known to one of skill in the art.Described auxiliary agent can be one or more in flow agent, defoamer, lubricant and the anti-wear agent, is benchmark with the gross weight of coating, and the content of described auxiliary agent can be 0-15 weight %, is preferably 0-10 weight %.
The kind of described flow agent and consumption are conventionally known to one of skill in the art.For example, described flow agent can be selected among EFKA3883, EFKA3886, EFKA3600, BYK366, BYK333, BYK307, DEGO410, DEGO435, the DEGO432 one or more.Wherein EFKA series is Dutch Ai Fuka company product, and BYK series is BYK company product, and DEGO series is German Di Gao company product.Flow agent can improve the flow leveling that is coated with rete behind the paint solidification, increases the smoothness and the feel that are coated with rete.With the coating gross weight is benchmark, and the content of described flow agent is 0-1.5 weight %, is preferably 0-1 weight %.
The kind of described defoamer and consumption are conventionally known to one of skill in the art.For example, described defoamer can be selected from EFKA2022, EFKA2527, EFKA2040, BYK352, BYK354, among the BYK357 one or more.With the coating gross weight is benchmark, and the content of described defoamer is 0-2 weight %, is preferably 0-1.5 weight %.
The kind of described lubricant and consumption are conventionally known to one of skill in the art.For example, can be polyvinyl paraffin wax.Described lubricant can further improve the feel of coating behind the paint solidification, and can increase the glossiness of coating, is benchmark with the coating total amount, and the content of lubricant is 0-5 weight %, is preferably 0-1.5 weight %.
The kind of described anti-wear agent and consumption are conventionally known to one of skill in the art.For example, one or more in nylon powder, talcum powder, polyvinyl paraffin wax, limestone powder and the titanium dioxide.Described anti-wear agent can further improve the wear resisting property of coating, and anti-wear agent can improve the physical and mechanical properties behind the paint solidification to a certain extent, strengthens the surface hardness of paint film.The add-on of anti-wear agent can not be too big, otherwise can influence the sticking power of paint film to ground.In general, be benchmark with the coating total amount, the content of anti-wear agent is 0-5 weight %, is preferably 0-1.5 weight %.
The preparation method of coating provided by the invention comprises matrix resin, light trigger, pure acrylic acid ester and mixing diluents, described light trigger is dissolved fully, and described matrix resin and pure acrylic acid ester are dispersed in the described thinner, add mute light powder, mix, wherein, with alcoholic solvent described mute light powder is soaked earlier.
According to the present invention, described mute light powder soaks with alcoholic solvent earlier, and described alcoholic solvent can be one or more in methyl alcohol, ethanol, Virahol, propyl alcohol, propyl carbinol, diacetone alcohol, ethylene glycol ethyl ether, butyl glycol ether, propylene glycol butyl ether and the diethylene glycol monobutyl ether.The consumption of described alcoholic solvent is 2-5 times of mute light grain weight amount, and described soak time can be 0.5-2 hour.The process of described immersion is preferably carried out in encloses container, accelerates for the rate of dispersion that makes mute light powder, can stir soak solution.
The present invention is with matrix resin, light trigger, pure acrylic acid ester and mixing diluents the time, preferred earlier with light trigger and mixing diluents, light trigger is fully dissolved, add matrix resin and pure acrylic acid ester again, mix, add then or adding assistant not, mix, add the mute light powder that soaked with alcoholic solvent again, mix.
In order to make described matrix resin homodisperse, when matrix resin, pure acrylic resin and thinner or the thinner that dissolved light trigger were mixed, the temperature of preferred described mixed solution was 30-60 ℃.
In the method provided by the invention, be benchmark with the gross weight of coating, the content of described matrix resin can be 5-90 weight %, is preferably 12-70 weight %; The content of thinner can be 2-90 weight %, is preferably 15-70 weight %; Light trigger can be that content is 1-10 weight %, is preferably 2-8 weight %; The content of pure acrylic acid ester can be 1-20 weight %, is preferably 5-15 weight %; The content of mute light powder can be 2-20 weight, is preferably 5-15 weight %; The content of auxiliary agent can be 0-15 weight %, is preferably 0-10 weight %.
Coating provided by the invention is suitable as the finish paint of various material surfaces, for example, and as the finish paint of handset shell surface, computer casing etc.According to ordinary method, coating is coated material surface, 50 ℃ of down bakings 10-15 minute, and promptly get good solidifying film layer second through UV-irradiation 20-25.
Below by embodiment the present invention is further specified.
Embodiment 1
Present embodiment is used to illustrate ultraviolet light cured burnished paint provided by the invention and preparation method thereof.
Light trigger (Switzerland vapour Bagong department with 4 grams, Irgacure651) join in the thinner that mixes by 10 gram toluene, 5 gram ethyl acetate and 5 butylacetates, stirring is fully dissolved it, aliphatic urethane acrylate (the U.S. Sartomer company that adds 50 grams again, CN965) and 10 the gram pure acrylic acid ester (Taiwan Eternal companies, 6530-B40), stir the mixed solution that obtains mixing.Mute light powder (Degussa company with 10 grams, OK500, particle dia is 4.5 microns) join in the alcoholic solvent of 30 gram Virahols, stir with magnetic stirring apparatus in confined conditions, soaked 0.5 hour, then it is joined in the above-mentioned mixed solution, stir and promptly get ultraviolet light cured burnished paint A1.Gross weight with coating is a benchmark, and the content of matrix resin, thinner, light trigger, pure acrylic acid ester, mute light powder and auxiliary agent sees Table 1.
Comparative Examples 1
Method according to embodiment 1 prepares ultraviolet light cured burnished paint, and different is, described mute light powder directly joins in the mixed solution, and stirring obtains coating B1.
Comparative Examples 2
Method according to embodiment 1 prepares ultraviolet light cured burnished paint, and different is, described mute light powder be the mute light powder handled through wax (U.S. W. R. Grace ﹠ Co, GraceRAD2005), described mute light powder directly joins in the mixed solution, stirring obtains coating B2.
Embodiment 2
Method according to embodiment 1 prepares ultraviolet light cured burnished paint, different is, described mute light powder (Korea S DCC company, ML-388W) amount is 7.5 grams, propyl carbinol with 15 grams soaked 2 hours, described matrix resin is Epocryls (the Italian galstaff company of 40.5 grams, syncry1234) and 44.3 the gram polyester acrylate (U.S. Sartomer companies, CNUVP225) mixture, described thinner is the acetone of 5 grams, the mixture of the ethylene glycol n-butyl ether of the butylacetate of 4 grams and 6 grams, described light trigger (Switzerland vapour Bagong department, darocur1173) amount is 9 grams, the amount of described pure acrylic acid ester is 18 grams, also add in the coating in addition 0.75 gram flow agent (Dutch Ai Fuka company, EFKA3883).
Embodiment 3
Method according to embodiment 1 prepares ultraviolet light cured burnished paint, different is, the amount of described mute light powder is 18 grams, diacetone alcohol with 54 grams soaked 1 hour, the amount of described aliphatic urethane acrylate is 27 grams, the methylethylketone of described thinner 10 grams, the mixture of the butylacetate of the dimethylbenzene of 5 grams and 6 grams, described light trigger is 7.5 grams, the amount of described pure acrylic acid ester is 18 grams, flow agent (the German Di Gao company that also adds 0.75 gram in addition in the coating, DEGO435), the defoamers of 2 grams (Dutch Ai Fuka company, EFKA2022) and the titanium dioxides (Kang Nuosi international corporation, Kronos 2059) of 1.75 grams.
Embodiment 4
Method according to embodiment 1 prepares ultraviolet light cured burnished paint, different is, the amount of described mute light powder is 18 grams, diacetone alcohol with 54 grams soaked 1 hour, the amount of described aliphatic urethane acrylate is 30 grams, the methylethylketone of described thinner 10 grams, the mixture of the butylacetate of the dimethylbenzene of 5 grams and 6 grams, amount 9 grams of described light trigger, the amount of described pure acrylic acid ester is 18 grams, flow agent (the BYK company product that also adds 0.75 gram in addition in the coating, BYK366), defoamer (the BYK company product of 2 grams, BYK354), polyvinyl paraffin wax (the Clariant chemical industry of 1 gram, Ceridust 3615) and the talcum powder of 4 grams (wide Fujian material (Jiao Ling) company limited that refines, MS1500).
Table 1
| The coating source | Embodiment 1 | Comparative Examples 1 | Comparative Examples 2 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Finish code | A1 | B1 | B2 | A2 | A3 | A4 |
| Matrix resin (weight %) | 40.3 | 40.3 | 40.3 | 56.5 | 18.0 | 20 |
| Thinner (weight %) | 40.3 | 40.3 | 40.3 | 20.0 | 50.0 | 50 |
| Light trigger (weight %) | 3.2 | 3.2 | 3.2 | 6.0 | 5.0 | 5 |
| Pure acrylic acid ester (weight %) | 8.1 | 8.1 | 8.1 | 12.0 | 12.0 | 12 |
| Mute light powder (weight %) | 8.1 | 8.1 | 8.1 | 5.0 | 12.0 | 12 |
| Auxiliary agent (weight %) | - | - | - | 0.5 | 3.0 | 5.0 |
Embodiment 5
The stability of the ultraviolet light cured burnished paint that present embodiment is used for illustrating that the present invention makes.
Get the coating A1 that 100 gram embodiment 1 make, place airtight vial, at room temperature leave standstill, observe once Monday weekly, see inherent which all precipitation that produces of bottle.The result is as shown in table 2.
Comparative Examples 3-4
The stability of the coating that these embodiment are used to illustrate that Comparative Examples 1-2 makes.
Method according to embodiment 5 is carried out stability test to ultraviolet light cured burnished paint B1 and B2.The result is as shown in table 2.
Embodiment 6-8
The stability of the coating that these embodiment are used to illustrate that embodiment 2-4 makes.
Method according to embodiment 5 is carried out stability test to ultraviolet light cured burnished paint A2-A4.The result is as shown in table 2.
Table 2
| The coating source | Embodiment 1 | Comparative Examples 1 | Comparative Examples 2 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Finish code | A1 | B1 | B2 | A2 | A3 | A4 |
| Stability (all numbers) | 33 | 20 | 26 | 37 | 35 | 34 |
From the result shown in the table 2 as can be seen, the stability of the ultraviolet light cured burnished paint A1-A4 that embodiment of the invention 1-4 makes is better, just occurs precipitation at least more than 30 weeks, the dispersiveness of mute light powder in coating is described better.And in the Comparative Examples 1, mute light powder is handled through wax, and the ultraviolet light cured burnished paint B1 that it obtains precipitation just occurs in the 20th week, even and if in the Comparative Examples 2, mute light powder also precipitation occurs in the 26th week after wax is handled.In sum, the ultraviolet light cured burnished paint of the present invention's preparation has advantages of excellent stability.
Claims (13)
1. ultraviolet light cured burnished paint, this coating contains matrix resin, thinner, light trigger, pure acrylic acid ester and mute light powder, it is characterized in that, and described mute light powder is the mute light powder that soaked through alcoholic solvent.
2. coating according to claim 1, wherein, gross weight with coating is a benchmark, the content of described matrix resin is 5-90 weight %, the content of thinner is 2-90 weight %, the content of light trigger is 1-10 weight %, and the content of pure acrylic acid ester is 1-20 weight %, and the content of mute light powder is 2-20 weight %.
3. coating according to claim 2, wherein, gross weight with coating is a benchmark, the content of described matrix resin is 12-70 weight %, the content of thinner is 15-70 weight %, the content of light trigger is 2-8 weight %, and the content of pure acrylic acid ester is 5-15 weight %, and the content of mute light powder is 5-15 weight %.
4. coating according to claim 1, wherein, described alcoholic solvent is one or more in methyl alcohol, ethanol, Virahol, propyl alcohol, propyl carbinol, diacetone alcohol, ethylene glycol ethyl ether, butyl glycol ether, propylene glycol butyl ether and the diethylene glycol monobutyl ether.
5. coating according to claim 4, wherein, described alcoholic solvent is one or more in Virahol, propyl alcohol and the propyl carbinol.
6. according to claim 1,4 or 5 described coating, wherein, the consumption of described alcoholic solvent is 2-5 times of mute light grain weight amount, and described alcoholic solvent is 0.5-2 hour to the soak time of mute light powder.
7. according to any described coating among the claim 1-3, wherein, described mute light powder is SiO
2And/or CaCO
3, the average particle diameter D of described mute light powder
50Be the 2-8 micron.
8. according to any described coating among the claim 1-3, wherein, described thinner is an organic solvent, and this organic solvent is one or more in toluene, ethyl acetate, butylacetate, isobutyl acetate, propyl acetate, methyl alcohol, ethanol, Virahol, propyl alcohol, propyl carbinol, cyclohexanone, dimethylbenzene, hexone, acetone, methylethylketone, ethylene glycol ethyl ether, butyl glycol ether and the propylene glycol butyl ether.
9. coating according to claim 1, wherein, described coating also contains auxiliary agent, and described auxiliary agent is one or more in flow agent, defoamer, lubricant and the anti-wear agent, and the content of described auxiliary agent is 0-15 weight %.
10. the preparation method of the described ultraviolet light cured burnished paint of claim 1, this method comprises mixes matrix resin, thinner and light trigger, described light trigger is dissolved fully, and described matrix resin is dispersed in the described thinner, add mute light powder, mix, it is characterized in that, with alcoholic solvent described mute light is soaked earlier.
11. method according to claim 10, wherein, gross weight with coating is a benchmark, the content of described matrix resin is 5-90 weight %, the content of thinner is 2-90 weight %, the content of light trigger is 1-10 weight %, and the content of pure acrylic acid ester is 1-20 weight %, and the content of mute light powder is 2-20 weight %.
12. method according to claim 10, wherein, described alcoholic solvent is one or more in methyl alcohol, ethanol, Virahol, propyl alcohol, propyl carbinol, diacetone alcohol, ethylene glycol ethyl ether, butyl glycol ether, propylene glycol butyl ether and the diethylene glycol monobutyl ether, the consumption of described alcoholic solvent is 2-5 times of mute light grain weight amount, and described alcoholic solvent is 0.5-2 hour to the soak time of mute light powder.
13. according to claim 10 or 11 described methods, wherein, described mute light powder is SiO
2And/or CaCO
3, the average particle diameter D of described mute light powder
50Be the 2-8 micron.
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