CN100415841C - Ultraviolet light curing yaguang coating and its production thereof - Google Patents
Ultraviolet light curing yaguang coating and its production thereof Download PDFInfo
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- CN100415841C CN100415841C CNB2004100917110A CN200410091711A CN100415841C CN 100415841 C CN100415841 C CN 100415841C CN B2004100917110 A CNB2004100917110 A CN B2004100917110A CN 200410091711 A CN200410091711 A CN 200410091711A CN 100415841 C CN100415841 C CN 100415841C
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Abstract
The present invention relates to ultraviolet curing polished paint which comprises resin as a main body, a diluting agent, a polished powder and a photoinitiator, and contains or does not contain an auxiliary agent. The present invention is characterized in that the paint also contains pure acrylic ester, and the content of the pure acrylic ester is 1 to 20 wt% on the basis of the total amount of the paint. After the paint offered by the present invention is cured, the adhesive force of paint films can be greatly enhanced under the condition without decreasing the hardness and the wear resistance of paint film layers, and the paint also has the advantage of no generation of hard precipitates by long-term placement so that the present invention is favorable to the practical application of the paint.
Description
Technical field
The invention relates to a kind of ultraviolet-curing paint and preparation method thereof, more specifically say so about mute photo-cured coating of a kind of UV-light 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, and compares with traditional photo-cured coating, and ultraviolet-curing paint has higher solid content, thereby the production efficiency height.Simultaneously, its time of drying is also shorter.
Existing ultraviolet-curing paint contains filmogen, and thinner and light trigger also contain auxiliary agents such as flow agent, defoamer, lubricant, anti-wear agent sometimes.Wherein, described thinner is that 1-5 or more acrylate monomer or this sense number of degrees are the mixture of 1-5 or more acrylate monomer and organic solvent for the sense number of degrees.Described filmogen comprises matrix resin and is 1-5 or more acrylate monomer as the sense number of degrees of thinner simultaneously.Described matrix resin is selected from least a in polyester acrylate, urethane acrylate and the epoxy acrylate.
For example, CN1297972A discloses a kind of ultraviolet-curing paint, this coating contains Epocryl or the epoxy methacrylates resin of 5-40 weight %, the urethane acrylate of 5-40 weight %, the bifunctional acrylate of 20-60 weight % or bifunctional methacrylic ester, the light trigger of the trifunctional group acrylate of 1-25 weight % or trifunctional methacrylic ester and 1-10 weight %.
CN1436825A discloses a kind of ultraviolet-curing paint, this coating is by the aliphatic urethane acrylate of 20-50 weight %, the acrylic modified epoxy resin of 0-20 weight %, the reactive acrylate monomer of 10-50 weight %, the light trigger of 1-5 weight %, the flow agent of 0.3-1 weight %, the defoamer of 0.1-0.5 weight %, 0.5-1.5 the lubricant of weight %, the solvent composition of the anti-wear agent of 0.5-3 weight % and 2-20 weight %.Described solvent is N-BUTYL ACETATE, vinyl acetic monomer, Virahol, ethylene glycol ether acetate or their mixture.
CN1398926A discloses a kind of photo-cured coating, this coating is by the matrix resin living oligomer, reactive thinner, light trigger, thinner is formed, living oligomer wherein is that acid value is the epoxy acrylate of the maleic anhydride modified of 10-30 milligram potassium hydroxide/gram, this coating also contains the sticking power enhancement resin of epoxide group, and the content of the epoxy acrylate of maleic anhydride modified is 30-60 weight %, reactive thinner content is 15-45 weight %, the content that contains the sticking power enhancement resin of epoxide group is 2-5 weight %, photoinitiator levels is 1-10 weight %, amount of diluent is 0-20 weight %.
In the prior art, the report of ultraviolet light cured burnished paint is arranged also, the topmost difference of ultraviolet light cured burnished paint and the high optical coating of ultraviolet light polymerization is, contains mute light powder (or claiming mute light powder) in the ultraviolet light cured burnished paint.For example, CN1436824A discloses a kind of ultraviolet light cured burnished paint that is used for woodenware, this coating is by polyester modification acrylate, thinner, light trigger, mute light powder or mute light powder and auxiliary agent are formed, and their content is respectively 40-80 weight %, 10-45 weight %, 4-7 weight %, 0.5-8 weight % and 0.5-1.5 weight %.
Because the existence of mute light powder, reduced the avidity that is coated with between rete and the ground, therefore, existing ultraviolet light cured burnished paint paint film adhesion is not enough, usually have only about 3B, generally can only use, can not be used for plastics, particularly the portable plastic accessory as the finish paint of woodenware, leather and metal etc.Moreover mute light powder is a kind of powder mass, and existing ultraviolet light cured burnished paint is easy to generate hard-caked sediment when storing, greatly reduce the uniformity coefficient of coating, thereby reduced the quality and the result of use of coating, serious restriction promoting the use of it.
Summary of the invention
The objective of the invention is to overcome the existing not enough shortcoming of ultraviolet light cured burnished paint paint film adhesion, a kind of ultraviolet light cured burnished paint than strong adhesive force and preparation method thereof that has is provided.It is not enough particularly to overcome existing ultraviolet light cured burnished paint paint film adhesion, is easy to generate the shortcoming of hard-caked sediment, provides a kind of and has than strong adhesive force, and be difficult for ultraviolet light cured burnished paint that produces hard-caked sediment and preparation method thereof
Coating provided by the invention contains matrix resin, thinner, mute light powder and light trigger, contains or do not contain auxiliary agent, and wherein, this coating also contains the pure acrylic acid ester, is benchmark with the coating total amount, and the content of pure acrylic acid ester is 1-20 weight %.
The preparation method of coating provided by the invention comprises matrix resin, thinner and light trigger is mixed, described light trigger is dissolved fully, and described matrix resin is dispersed in the described thinner, add or do not add auxiliary agent, add mute light powder, mix, with the dope filtration that obtains, wherein, when being mixed, matrix resin, thinner and light trigger also add the pure acrylic acid ester, the add-on of pure acrylic acid ester makes in the coating and contains, and is benchmark with the coating total amount, the pure acrylic acid ester of 1-20 weight %.
Owing to added a kind of strong in the coating provided by the invention to ground avidity, solidify the higher pure acrylic acid ester of back hardness, make behind the paint solidification provided by the invention, under the situation that does not have to reduce the hardness be coated with rete and wear resistance, paint film adhesion is strengthened greatly, is suitable as various materials, as the lacquer painting of woodenware, leather and metal, particularly be fit to plastics, the particularly lacquer painting of portable plastic accessory.Simultaneously, the pure acrylic acid ester is again that a kind of glossiness is lower, the material that anti-eliminate optical property is low, and therefore, extinction effect is better behind the paint solidification provided by the invention.
With the adding of pure acrylic acid ester in the coating provided by the invention, to restrain also that hard-caked sediment generates about, can delay the time that hard-caked sediment produces.Particularly will make mute the light powder with organic wax modification after, the coating that obtains has the advantage that long-term placement does not generate hard-caked sediment, this make coating provided by the invention deposit with transportation in have great advantage, more help the practical application of coating.
Embodiment
According to coating provided by the invention, the content of described matrix resin, thinner, light trigger and auxiliary agent is the content of these component routines in the ultraviolet-curing paint, and the content of mute light powder is the content of mute light powder routine in the ultraviolet light cured burnished paint.According to catalyzer provided by the invention, total amount with coating is a benchmark, the content of described matrix resin is 5-95 weight %, be preferably 12-70 weight %, the content of thinner is 2-90 weight %, be preferably 15-70 weight %, the content of light trigger is 1-10 weight %, be preferably 2-8 weight %, the content of auxiliary agent is 0-15 weight %, is preferably 0-10 weight %, the content of pure acrylic acid ester is 1-20 weight %, be preferably 5-15 weight %, the content of mute light powder is 2-20 weight, is preferably 5-15 weight %.
According to coating provided by the invention, pure acrylic resin is must be within the specific limits as being coated with the content of film resin, and too high meeting causes the wear resisting property of the paint film behind the paint spay-coating not reach requirement.Too low then be not enough to increase be coated with the sticking power of rete to ground, and play the effect that reduces the anti-extinction of matrix resin.Therefore, be benchmark with the coating total amount, the content of pure acrylic acid ester is 1-20 weight %, is preferably 5-15 weight %.
According to coating provided by the invention, described mute light powder can be selected from any material that can play about delustring, as SiO
2And/or CaCO
3Again for example, the trade mark is OK500, OK520, OK607, GraceC1006, Hp340, TS100, Grace RAD2005, SP4-9705, SS-230, ML-388W, ML-389W, ML-399AW, SD-520L, SD-520, one or more in the mute light powder of SD-530L.Wherein OK series is the mute light powder of Degussa company product, Grace series, TS series are 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, ML series is the mute light powder that Korea S DCC company produces, and SD series is the mute light powder that Beijing company of space flight Saden company produces.
Coating surface was slightly made after the particle diameter particle diameter 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.Particle diameter is too small then to make the extinction effect variation of mute light powder, increases raw-material cost, and raising that can the unit's of causing matting agent oil number, increases the difficulty of construction.Therefore, the Ma Erwen of the mute light powder of the coating that provides of the present invention surveys method median size D
50Be the 2-8 micron, be preferably the 3-5 micron.
The present inventor finds, mute light powder is anticipated the intermiscibility that can obviously increase mute light powder and coating with wax, thereby improves the stability of coating greatly, prevents that coating from producing hard-caked sediment in storage process.Therefore, described mute light powder is preferably the mute light powder of handling through wax.
Described matrix resin is selected from one or more in the existing ultraviolet-curing paint matrix resin commonly used, as in polyester acrylate, urethane acrylate and the epoxy acrylate one or more.Under the preferable case, described matrix resin is selected from urethane acrylate, and described urethane acrylate can be aliphatic urethane acrylate, aromatic urethane acrylate or the mixture of the two.
Described thinner 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 is one or more in the ultraviolet-curing paint organic solvent commonly used, as in toluene, ethyl acetate, butylacetate, isobutyl acetate, propyl acetate, ethanol, propyl carbinol, pimelinketone, dimethylbenzene, hexone, acetone, methylethylketone, butyl glycol ether, the propylene glycol butyl ether one or more.The kind of organic solvent and consumption should be able to fully dissolve described matrix resin, and will have suitable volatility, and solvency power is too strong, end phenomenon then may occur stinging, and vaporator rate too greatly then may cause the paint film unfairness.Though one above-mentioned solvent is suitable, but, be preferably two or more the mixture in toluene, ethyl acetate, butylacetate, isobutyl acetate, propyl acetate, ethanol, propyl carbinol, pimelinketone, dimethylbenzene, hexone, acetone, methylethylketone, butyl glycol ether, the propylene glycol butyl ether.
The described sense number of degrees are that 1-6 acrylate monomer is a ultraviolet-curing paint component commonly used, for 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.
Light trigger kind described in the coating 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 IHT-PI185, IHT-PI907, Irgacure651, Irgacure184, Irgacure369, Irgacure754, Irgacure2022, darocur1173, one or more among the darocurMBF.Wherein IHT-PI series is Chinese domestic goods, Irgacure, and darocur series is Switzerland vapour Bagong department product, its trade mark is conventionally known to one of skill in the art.With the coating total amount is benchmark, and the content of described light trigger is that the content of light trigger is 1-10 weight %, is preferably 2-8 weight %.
According to coating provided by the invention, this coating can also contain a kind of coupling agent, is benchmark with the coating total amount, and the content of described coupling agent is 0-8 weight %, is preferably 0-5 weight %.Described coupling agent refers to improve the consistency and the wettability of matrix resin, any material of the bounding force between rete that raising coating forms and the coated surface, as silane coupling agent, particularly Japan believes the KBM603 that month company produces, KBM503, the A-174 that KBM403, U.S. Wei Ke company produce, the A-1100 that U.S.'s union carbide corporation is produced and among the A-151 one or more.
Described auxiliary agent refer to flow agent, defoamer, lubricant, anti-wear agent and dispersion agent that ultraviolet-curing paint is commonly used in one or more.The kind of these auxiliary agents and consumption are conventionally known to one of skill in the art.
The purpose that adds anti-wear agent is further to 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.The content of described anti-wear agent is content conventional in such coating, in general, is benchmark with the coating total amount, and the content of anti-wear agent is 0-5 weight %.The kind of described anti-wear agent is conventionally known to one of skill in the art, and it can be organic polymer material or the inorganic material powders with certain physical strength, as nylon powder, and talcum powder, polyethylene wax, limestone powder, one or more in the titanium dioxide.
Described lubricant can further improve the feel of coating behind the paint solidification, and can increase the glossiness of coating, and its kind and consumption are conventionally known to one of skill in the art.Lubricant can be an olefin material as described, 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 flow agent and consumption are conventionally known to one of skill in the art, and 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, more than its trade mark be conventionally known to one of skill in the art.The effect of 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 total amount is benchmark, and the content of described flow agent is 0-1.5 weight %, is preferably 0-1 weight %.
The kind of the defoamer described in the coating of the present invention and consumption are conventionally known to one of skill in the art, and for example, described defoamer can be selected from EFKA2022, EFKA2527, EFKA2040, BYK352, BYK354, among the BYK357 one or more.With the coating total amount is benchmark, and the content of described defoamer is 0-2 weight %, is preferably 0-1.5 weight %.
Described dispersion agent refers to any material that can improve described matrix resin dispersion state in solvent, as Kerper-602, and Kerper-605, Kerper630, CFC-500HP, CFC-510, CFC-637, one or more among the CFC-604S.With the coating total amount is benchmark, and the content of dispersion agent is that 0-5 weight % is preferably 0-3 weight %.Wherein Kerper series is U.S. Kerper company product, and CFC series is French CFC company product.
The preparation method of coating provided by the invention comprises matrix resin, thinner and light trigger is mixed, described light trigger is dissolved fully, and described matrix resin is dispersed in the described thinner, add or do not add auxiliary agent, add mute light powder, mix, with the dope filtration that obtains, wherein, when being mixed, matrix resin, thinner and light trigger also add the pure acrylic acid ester, the add-on of pure acrylic acid ester makes in the coating and contains, and is benchmark with the coating total amount, the pure acrylic acid ester of 1-20 weight %.
Preparation method according to coating provided by the invention, the mixing of described matrix resin, thinner, pure acrylic acid ester and light trigger can be carried out also simultaneously can proceed step by step, under the preferable case, earlier with light trigger and mixing diluents, light trigger is fully dissolved, add matrix resin again and the pure acrylic acid ester mixes, add or do not add auxiliary agent and mute light powder then, evenly mixed.
In order to make described matrix resin homodisperse, when matrix resin is mixed with thinner, light trigger and pure acrylic acid ester, can improve the blended temperature, the blended temperature is conventional mixing temperature, this temperature is generally 30-60 ℃.
If also contain coupling agent in the described coating, coupling agent and mixed uniform step before method provided by the invention also is included in and filters.Described coupling agent can add separately, also can add with auxiliary agent or mute light powder.
According to method provided by the invention, an embodiment preferred comprises that (1) with light trigger and mixing diluents, is stirred to abundant dissolving; (2) add matrix resin, pure acrylic acid ester and light trigger, evenly mixed; (3) add or adding assistant not, add mute light powder, evenly mixed; (4) slurries that obtain are filtered in cooling.
In method provided by the invention, the consumption of each material should make and obtain in the coating, total amount with coating is a benchmark, the content of described matrix resin is 5-95 weight %, be preferably 12-70 weight %, the content of thinner is 2-90 weight %, be preferably 15-70 weight %, the content of light trigger is 1-10 weight %, is preferably 2-8 weight %, the content of auxiliary agent is 0-15 weight %, be preferably 0-10 weight %, the content of pure acrylic acid ester is 1-20 weight %, is preferably 5-15 weight %, the content of mute light powder is 2-20 weight, is preferably 5-15 weight %.
Coating provided by the invention is suitable as the finish paint of the plastic fittings of the finish paint of various material surfaces, particularly portable device, as the finish paint of handset shell surface, portable computer external, makeup shell.Coating thickness is generally the 6-15 micron, 50 ℃ of oven dry 10-15 minute, and, can obtain good solidifying film layer through UV-irradiation 20-25 second.
The following examples will the present invention will be further described.
Embodiment 1-5
Present embodiment illustrates coating provided by the invention and preparation method thereof.
(1) Jiang light trigger and mixing diluents are stirred to abundant dissolving; (2) add matrix resin, pure acrylic acid ester and light trigger, be warming up to 45 ℃, evenly mixed; (3) add or adding assistant not, add mute light powder, evenly mixed; (4) slurries that obtain are filtered in cooling, to remove residue wherein, obtain coating T1-T5 provided by the invention.Table 1-2 has provided each material consumption, and table 3 has provided the composition of T1-T5.
In table 1 and the table 2, the aliphatic urethane acrylate resin is a U.S. Sartomer company product, and product grade is CN965; The pure acrylic acid ester is a Taiwan Eternal company product, and product grade is 6530B-40; The D of mute light powder OK607
50It is 4.5 microns; Epocryl is an Italian galstaff company product, and product grade is syncry1234; Polyester acrylate is a U.S. sartomer company product, and product grade is CNUVP225; Polyethylene wax is the U.S.'s three leaf company products, and the trade mark is FS-731MG.Mute light powder GraceRAD2005 is the mute light powder that wax is handled.
Comparative Examples 1
Method according to example 2 prepares coating, and different is not add the pure acrylic acid ester, keeps the constant rate of matrix resin and thinner, and simultaneously, described mute light powder does not carry out wax to be handled, and obtains reference coating TB1.
Table 1 has provided each material consumption.Table 3 has provided the composition of TB1
Table 1
| Example number | 1 | 2 | Comparative Examples 1 |
| Matrix resin kind and consumption | The aliphatic urethane acrylate resin, 60 grams | The aliphatic urethane acrylate resin, 60 grams | The aliphatic urethane acrylate resin, 65.3 grams |
| Organic solvent kind and consumption | Acetone 20 grams, butylacetate 8 grams, propyl carbinol 10 grams, ethylene glycol n-butyl ether 15 grams | Acetone 20 grams, butylacetate 8 grams, propyl carbinol 10 grams, ethylene glycol n-butyl ether 15 grams | Acetone 21.8 grams, butylacetate 8.7 grams, propyl carbinol 10.9 grams, ethylene glycol n-butyl ether 16.3 grams |
| Light trigger kind and consumption | Irgacure184,4 grams | Irgacure184,4 grams | Irgacure184,4 grams |
| Pure acrylic acid ester consumption | 10 grams | 10 grams | - |
| Mute light powder kind and consumption | OK607,10 grams | Grace RAD 2005,10 grams | TS100,10 grams |
| Auxiliary agent kind and consumption | - | Flow agent Dego435 is 0.5 gram | Flow agent Dego435 is 0.5 gram |
Table 2
| Example number | 3(T3) | 4(T4) | 5(T5) |
| Matrix resin kind and consumption | The aliphatic urethane acrylate resin, 60 grams | Epocryl, 90 grams; Polyester acrylate, 70 grams | The aliphatic urethane acrylate resin, 50 grams |
| Thinner kind and consumption | Acetone 20 grams, butylacetate 8 grams, propyl carbinol 10 grams, ethylene glycol n-butyl ether 15 grams | Toluene 20 grams; Ethyl acetate 30 grams | Dimethylbenzene 50 grams, acetone 50 grams, methylethylketone 60 grams |
| Light trigger kind and consumption | Irgacure184,4 grams | IHT-PI185,15 grams | darocur1173，20 |
| Pure acrylic acid ester consumption | 10 grams | 30 grams | 15 |
| Mute light powder kind and consumption | Grace RAD 2005,10 grams | Grace RAD 2005,30 grams | TS100,15 grams |
| Auxiliary agent kind and consumption | Flow agent Dego435 is 0.5 gram; | Flow agent EFKA3600,3 grams | Flow agent Dego435,2 grams; Defoamer BYK357,4 grams; Lubricant polyethylene paraffin, 2 grams; Dispersing agent C FC-510,7 grams |
Table 3
| The embodiment numbering | 1 | 2 | 3 | Comparative Examples 1 | 4 | 5 |
| Finish code | T1 | T2 | T3 | TB1 | T4 | T5 |
| Matrix resin content, weight % | 43.8 | 43.6 | 43.6 | 47.3 | 55.6 | 18.2 |
| Amount of diluent, weight % | 38.7 | 38.5 | 38.5 | 42.1 | 17.4 | 58.2 |
| Photoinitiator levels, weight % | 2.9 | 2.9 | 2.9 | 2.9 | 5.2 | 7.3 |
| The pure acrylic acid ester content, weight % | 7.3 | 7.3 | 7.3 | - | 10.4 | 5.5 |
| Mute light powder content, weight % | 7.3 | 7.3 | 7.3 | 7.3 | 10.4 | 5.5 |
| Auxiliary agent content, weight % | - | 0.4 | 0.4 | 0.4 | 1.0 | 5.5 |
Example 6-10
Following example illustrates coating property provided by the invention.
The coating T1-T5 that example 1-5 is obtained is sprayed on the plastic casing, and 50 ℃ of oven dry 15 minutes, and through UV-irradiation 25 seconds obtain thickness and be 9 microns solidifying film layer.The performance of test solidifying film layer, the result is as shown in table 4.
Wherein, the 7-IBB type RCA abrasion instrument that wear resistance measure to use U.S. Nuo Man Instrument and Equipment Company to produce, under the effect of 175 gram forces, the paint film after the mill spraying, during the show-through material of paint film, the number of times that rubber wheel rotates.
Sticking power is measured with drawing the lattice device and is drawn 100 1 millimeter * 1 millimeter square lattice at sprayed surface, the model of producing with Minnesota Mining and Manufacturing Company is 600 smooth being bonded on the grid of scotch tape, do not stay a space, vertically uncover with utmost dispatch then, observe cut edge and have or not depainting.Is 5B as the depainting amount between 0-5%, is 4B between 5-10%, is 3B between 10-20%, is 2B between 20-30%, is B between 30-50%, is being 0B more than 50%.
Measurement of hardness is carried out according to chapter 4 regulation among the GB/6739T.
Glossiness adopts miniature vancometer (production of BYK company) to test under 60 ° of angles and obtains the glossiness data.
The surface appearance method for measuring is, observes the levelling situation of solidifying the back coating surface, and checking has immaculate, pin hole, and sagging, orange peel is stung phenomenons such as the end.
The paint stability measuring method is, gets 100 gram coating and moves in the airtight vial, at room temperature leaves standstill, and observes how long begin to produce hard-caked sediment.
Comparative Examples 2
The performance of this Comparative Examples explanation reference coating.
Method by example 6-10 is measured the performance of coating, and the results are shown in Table 4.
Table 4
| Example number | 6 | 7 | 8 | Comparative Examples 2 | 9 | 10 |
| Finish code | T1 | T2 | T3 | TB1 | T4 | T5 |
| Wear resistance | 420 | 420 | 420 | 420 | 400 | 450 |
| Sticking power | 4B | 4B | 4B | 3B | 5B | 4B |
| Hardness | 5H | 5H | 5H | 4H | 4H | 5H |
| Glossiness (60 °) | 16.5 | 16.6 | 17.6 | 17.8 | 13.2 | 14.2 |
| Surface appearance | Well, feel is better | Outstanding, feel is better | Outstanding, feel is better | Well, feel is better | Outstanding, feel is better | Outstanding, feel is better |
| Stability | Still not having hard-caked sediment in 6 months produces | Still not having hard-caked sediment in 6 months produces | Still not having hard-caked sediment in 6 months produces | Begin to produce hard-caked sediment after 2 months | Still not having hard-caked sediment in 6 months produces | Begin to produce hard-caked sediment after 5 months |
From the result of table 4 as can be seen, compare with the ultraviolet light cured burnished paint that does not use the pure acrylic acid ester, what coating provided by the invention formed after solidifying films, do not have in hardness, wear resistance under the situation of considerable change, sticking power is significantly improved, sticking power reaches the level of 4B-5B, and the time that hard-caked sediment begins to produce also extended to 5 months from 2 months or is longer.Particularly, when the mute light powder handled with wax, overcome the shortcoming that existing coating standing storage easily produces hard-caked sediment especially, store reach 6 months after still precipitation produce.
Claims (8)
1. ultraviolet light cured burnished paint, this coating contains matrix resin, thinner, mute light powder and light trigger, contain or do not contain auxiliary agent, it is characterized in that, this coating also contains the pure acrylic acid ester, is benchmark with the coating total amount, and the content of pure acrylic acid ester is 1-20 weight %, described mute light powder is the mute light powder of handling through wax, and the particle diameter of described mute light powder makes the Ma Erwen that assembles grain group in the coating survey method median size D
50Be the 2-8 micron.
2. coating according to claim 1, it is characterized in that, total amount with coating is a benchmark, the content of described matrix resin is 5-95 weight %, the content of thinner is 2-90 weight %, and the content of light trigger is 1-10 weight %, and the content of auxiliary agent is 0-15 weight %, 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, it is characterized in that, total amount with coating is a benchmark, the content of described matrix resin is 12-70 weight %, the content of thinner is 15-70 weight %, and the content of light trigger is 2-8 weight %, and the content of auxiliary agent is 0-10 weight %, the content of pure acrylic acid ester is 5-15 weight %, and the content of mute light powder is 5-15 weight %.
4. according to any described coating among the claim 1-3, it is characterized in that described mute light powder is selected from SiO
2And/or CaCO
3
5. coating according to claim 1, it is characterized in that, described thinner is an organic solvent, and this organic solvent is selected from one or more in toluene, ethyl acetate, butylacetate, isobutyl acetate, propyl acetate, ethanol, propyl carbinol, pimelinketone, dimethylbenzene, hexone, acetone, methylethylketone, butyl glycol ether, the propylene glycol butyl ether.
6. coating according to claim 1 is characterized in that, described auxiliary agent refer to flow agent, defoamer, lubricant, anti-wear agent and dispersion agent in one or more.
7. the preparation method of the described coating of claim 1, this method comprises matrix resin, thinner and light trigger mix, described light trigger is dissolved fully, and described matrix resin is dispersed in the described thinner, add or do not add auxiliary agent, add mute light powder, mix, with the dope filtration that obtains, it is characterized in that, with matrix resin, thinner and light trigger also add pure acrylic acid and filter when mixing, it is characterized in that, with matrix resin, thinner and light trigger also add the pure acrylic acid ester when mixing, the add-on of pure acrylic acid ester makes in the coating and contains, and is benchmark with the coating total amount, the pure acrylic acid ester of 1-20 weight %, and described mute light powder is the mute light powder of handling through wax, and the particle diameter of described mute light powder makes the Ma Erwen that assembles grain group in the coating survey method median size D
50Be the 2-8 micron.
8. method according to claim 7, this method comprise light trigger and the mixing diluents that incite somebody to action (1), are stirred to abundant dissolving; (2) add matrix resin, pure acrylic acid ester and light trigger, evenly mixed; (3) add or adding assistant not, add mute light powder, evenly mixed; (4) slurries that obtain are filtered in cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100917110A CN100415841C (en) | 2004-11-25 | 2004-11-25 | Ultraviolet light curing yaguang coating and its production thereof |
Applications Claiming Priority (1)
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| CNB2004100917110A CN100415841C (en) | 2004-11-25 | 2004-11-25 | Ultraviolet light curing yaguang coating and its production thereof |
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| CN100415841C true CN100415841C (en) | 2008-09-03 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101210144B (en) * | 2006-12-30 | 2010-05-19 | 比亚迪股份有限公司 | Ultraviolet light solidifying matt coating and preparation method thereof |
| CN101210129B (en) * | 2006-12-30 | 2011-04-06 | 比亚迪股份有限公司 | Crackle lacquer, preparing method thereof and spraying method for the same |
| CN101781502B (en) * | 2009-01-16 | 2012-10-17 | 比亚迪股份有限公司 | Paint |
| CN103289457A (en) * | 2012-03-02 | 2013-09-11 | 上海富臣化工有限公司 | UV curtain coating flexible topcoat gloss paint |
| CN102702906B (en) * | 2012-06-21 | 2014-07-30 | 太仓市德兰树片画设备科技有限公司 | Coating of bamboo and wood color painting and preparation method thereof |
| CN103555193B (en) * | 2013-11-12 | 2016-01-27 | 江南大学 | A kind of ultraviolet curing type urethane acrylate elastic handfeel dumb light paint and preparation method thereof |
| CN105153776A (en) * | 2015-10-13 | 2015-12-16 | 郑州精益达汽车零部件有限公司 | Ultra-wear-resistant matte UV coating and preparation method thereof |
| CN113604085A (en) * | 2021-07-26 | 2021-11-05 | 怀化学院 | Ultraviolet light curing adhesive resin composition |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003011281A (en) * | 2001-06-29 | 2003-01-15 | Kimoto & Co Ltd | Surface protective sheet |
| CN1487033A (en) * | 2002-08-07 | 2004-04-07 | 珠海东诚化工有限公司 | Ultraviolet ray cured paint for surface treatment or alumium ou aluminium sections |
| CN1486960A (en) * | 2002-08-07 | 2004-04-07 | 珠海东诚化工有限公司 | Ultraviolet light cured ceramic paint |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003011281A (en) * | 2001-06-29 | 2003-01-15 | Kimoto & Co Ltd | Surface protective sheet |
| CN1487033A (en) * | 2002-08-07 | 2004-04-07 | 珠海东诚化工有限公司 | Ultraviolet ray cured paint for surface treatment or alumium ou aluminium sections |
| CN1486960A (en) * | 2002-08-07 | 2004-04-07 | 珠海东诚化工有限公司 | Ultraviolet light cured ceramic paint |
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