CN102898939B - Two-coating type ultraviolet light curing paint - Google Patents

Two-coating type ultraviolet light curing paint Download PDF

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CN102898939B
CN102898939B CN201210417225.8A CN201210417225A CN102898939B CN 102898939 B CN102898939 B CN 102898939B CN 201210417225 A CN201210417225 A CN 201210417225A CN 102898939 B CN102898939 B CN 102898939B
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CN102898939A (en
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缪培凯
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Hunan Matsui new materials Limited by Share Ltd
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Hu'nan Sokan New Material Co Ltd
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Abstract

The invention provides two-coating type ultraviolet light curing paint, which comprises primer and finish paint, wherein the finish paint comprises 15 to 25 weight parts of high-functionality polyurethane crylic acid resign, 10 to 15 weight parts of hyperbranched polyester acrylic resin, 10 to 20 weight parts of organic-inorganic hybrid resin, 10 to 15 weight parts of hexa-functionality acrylate monomers, 2 to 5 weight parts of photoinitiators, 1 to 2 weight parts of adhesion promoters, 20 to 60 weight parts of diluents and 0.2 to 2 weight parts of auxiliaries. The two-coating type ultraviolet light curing paint solves the technical problems that the wear-resisting and steel wool friction resistance degrade of the existing ultraviolet light curing paint is low, the vacuum coating variety is single, and the cost is high.

Description

Two painting type ultraviolet-curing paints
Technical field
The present invention relates to ultraviolet-cured paint field, especially, relate to a kind of two painting type ultraviolet-curing paints.
Background technology
For making the coating after vacuum plating smooth and having metalluster and brightness, thus need to carry out application process to surfaces to be coated respectively before and after plated film, conventional paint is ultraviolet-cured paint.Along with popularizing of ultraviolet-cured paint, the requirement of people to scratch resistance wear resisting property improves day by day, and urgent need will have more high-wear resistance, particularly the ultraviolet-cured paint of anti-Steel Wool Scratch excellent performance.Existing ultraviolet-cured paint is divided into two painting type ultraviolet-cured paints and three painting type ultraviolet-cured paints, two painting type ultraviolet-cured paints comprise finish paint and priming paint, because finish paint is directly coated with the surface being contained in coating, poor with the bonding force of coating, in use, finish paint easily comes off, and abrasive wear resistance is general, anti-Steel Wool Scratch poor-performing.Three painting type ultraviolet-cured paints comprise finish paint, middle paint and priming paint, the contraction internal stress that middle paint produces when can absorb eliminate topcoating cures as buffer transition layer, the attachment stability of finish paint and wear resisting property have been had significantly improve, coating surface through the wear-resisting test of RCA 4000 coatingsurfaces without mill thoroughly; Anti-Steel Wool rubs 350 times coating surface no markings.But three painting type ultraviolet-cured paints adding due to middle paint, cost is higher, complex process, vacuum plating is only limitted to metal-plated rete, and the wear-resisting test of RCA and resistance to Steel Wool frictional behaviour have much room for improvement to super abrasive and super anti-Steel Wool friction grade, to meet the use needs under higher severe condition further.
Summary of the invention
The object of the invention is to provide a kind of two painting type ultraviolet-cured paints, and to solve, existing ultraviolet-cured paint is wear-resisting and anti-Steel Wool friction grade is low, and vacuum plating kind is single, the technical problem that cost is high.
For achieving the above object, according to an aspect of the present invention, provide a kind of two painting type ultraviolet-curing paints, comprise priming paint and finish paint, finish paint comprises the auxiliary agent of the high-functionality polyurethane acrylic resin of 15 ~ 25 weight parts, the acrylated hyperbranched polyester resin of 10 ~ 15 weight parts, the organic-inorganic hybrid resin of 10 ~ 20 weight parts, six functionality acrylate monomers of 10 ~ 15 weight parts, the light trigger of 2 ~ 5 weight parts, the adhesion promoter of 1 ~ 2 weight part, the thinner of 20 ~ 60 weight parts and 0.2 ~ 2 weight part.
Further, organic-inorganic hybrid resin is silicon-dioxide/epoxy acrylate hybrid resin or silicon-dioxide/urethane acrylate hybrid resin.
Further, the content 30wt% of silicon-dioxide in silicon-dioxide/epoxy acrylate hybrid resin and silicon-dioxide/urethane acrylate hybrid resin, particle diameter is 10 ~ 50 nanometers.
Further, adhesion promoter comprises the phosphoric acid modification Acrylic Acid Monomer of 0.5 ~ 1.5 weight part and the coupling agent of 0.5 ~ 1 weight part.
Further, coupling agent is the one in silane coupling agent, titanate coupling agent, and silane coupling agent is vinyl three ('beta '-methoxy oxyethyl group) silane; Titanate coupling agent is sec.-propyl three (dioctyl phosphoric acid acyloxy) titanic acid ester.
Further, the auxiliary agent that priming paint comprises two functionality aliphatic polyurethane acrylic resins of 10 ~ 20 weight parts, two functionality epoxy acrylic resins of 15 ~ 25 weight parts, the three-functionality-degree acrylate monomer of 10 ~ 15 weight parts, the sticking power of 1 ~ 3 weight part promote resin, the light trigger of 3 ~ 5 weight parts, the thinner of 25 ~ 60 weight parts and 0.1 ~ 0.5 weight part.
Further, sticking power promotes that resin is acrylic resin.
Further, light trigger is one or both in Alpha-hydroxy phenylcyclohexyl ketone, TMDPO.
Further, thinner is one or more in ethyl acetate, butylacetate, methyl iso-butyl ketone (MIBK), Virahol and butanone.
Further, auxiliary agent comprises flow agent and defoamer, and flow agent is poly-methyl alkyl siloxane solution; Defoamer is acrylic-functional polydimethylsiloxane.
The present invention has following beneficial effect:
After two painting type ultraviolet-cured paints provided by the invention eliminate middle paint, finish paint and plated film still have excellent bonding force, reduce production cost, simplify technique.Meanwhile, two painting type ultraviolet-cured paints are tested more than 6000 times in the wear-resisting test of RCA, and still surface without mill thoroughly; Steel Wool rubs more than 500 times, and surface, without scratching vestige, has excellent wear resisting property and resistance to Steel Wool frictional behaviour.
Except object described above, feature and advantage, the present invention also has other object, feature and advantage.Below with reference to embodiment, the present invention is further detailed explanation.
Embodiment
Below in conjunction with specification sheets, embodiments of the invention are described in detail, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
A kind of two painting type ultraviolet-cured paints provided by the invention, comprise finish paint and priming paint.The good toughness of finish paint, has significant wear resisting property and anti-Steel Wool Scratch performance.Priming paint can make ultraviolet-curing paint can form flat surface at device surface after application, to meet the needs of follow-up vacuum plating, for finish paint provides smooth solidified surface; Priming paint is all very excellent to the sticking power of various matrix material simultaneously, prevents ultraviolet-curing paint from dropping.
A kind of two painting type ultraviolet-cured paints provided by the invention, finish paint comprises the auxiliary agent of the high-functionality polyurethane acrylic resin of 15 ~ 25 weight parts, the acrylated hyperbranched polyester resin of 10 ~ 15 weight parts, the organic-inorganic hybrid resin of 10 ~ 20 weight parts, six functionality acrylate monomers of 10 ~ 15 weight parts, the light trigger of 2 ~ 5 weight parts, the adhesion promoter of 1 ~ 2 weight part, the thinner of 20 ~ 60 weight parts and 0.2 ~ 2 weight part.Main filmogen is that high official can aliphatic polyurethane acrylic resin, organic-inorganic hybrid resin and six functionality acrylate monomers.Wherein, high official can comprise 15 functionality polyurethane acrylic resins and acrylated hyperbranched polyester resin by aliphatic polyurethane acrylic resin.High-functionality polyurethane acrylic resin is 15 functionality aliphatic polyurethane acrylic resins, the curing speed of 15 functionality aliphatic polyurethane acrylic resins is fast, hardness and adhesion strength strong, but it is comparatively large to produce string stress in the curing process, easily causes finish paint to ftracture if be used alone 15 functionality aliphatic polyurethane acrylic resins as finish paint.In order to improve the toughness of finish paint, the present invention adds acrylated hyperbranched polyester resin in finish paint, acrylated hyperbranched polyester resin is more containing function functional group number, curing speed is faster, cross-linking density is higher, but its tenacity is better and cure shrinkage is low, the internal stress produced is less, the larger internal stress that available buffer produces when absorbing 15 functionality aliphatic polyurethane acrylic resin solidification, prevents finish paint from occurring slight crack; In addition, acrylated hyperbranched polyester resin has excellent wear resistance, shock resistance, take into account and have good adhesion with coating, improve the wear resistance of finish paint on the one hand, do not need paint in interpolation on the other hand, just can ensure that finish paint is perfectly combined with coating.
That nano grade inorganic composition and organic resin carry out combining the product obtained in organic-inorganic hybrid resin, wherein nano grade inorganic composition can be embedded in finish paint, the one-tenth membrane stress that high official's energy aliphatic polyurethane acrylic resin that can cushion high rigidity in topcoating cures process is produced, prevents from bursting apart during film curing further.Meanwhile, adding of organic-inorganic hybrid resin, the wear-resisting anti-Steel Wool Scratch performance of coating can be significantly improved, and auxiliary raising finish paint hardness.
In addition, in order to strengthen the sticking power of finish paint and coating, the present invention with the addition of adhesion promoter in finish paint, and adhesion promoter can strengthen the riveted effect of finish paint to metal plating, thus avoids the use of middle paint transition layer.Thinner add the viscosity that can regulate finish paint, prevent finish paint from crossing sticky or excessively rare, be conducive to the processing of finish paint.Auxiliary agent improves coating performance and the surface effect of ultraviolet-curing paint, ensures product appearance planarization.
The present invention is by the high-functionality polyurethane acrylic resin of 15 ~ 25 weight parts, the acrylated hyperbranched polyester resin of 10 ~ 15 weight parts, the organic-inorganic hybrid resin of 10 ~ 20 weight parts, six functionality acrylate monomers of 10 ~ 15 weight parts, the light trigger of 2 ~ 5 weight parts, the adhesion promoter of 1 ~ 2 weight part, the thinner of 20 ~ 60 weight parts and the auxiliary agent of 0.2 ~ 2 weight part carry out combination and make finish paint, make each interaction between component in finish paint, thus make the wear-resisting of finish paint, anti-Steel Wool Scratch performance is increased to super abrasive and super anti-Steel Wool friction grade, meet the use needs under higher severe condition further.The priming paint that finish paint can be commonly used with those skilled in the art combines, and obtains ultraviolet-cured paint, its solidification effect, and the wear-resisting friction effect of resistance to Steel Wool does not change.
Further, organic-inorganic hybrid resin is silicon-dioxide/epoxy acrylate hybrid resin or silicon-dioxide/urethane acrylate hybrid resin, and silicon-dioxide/epoxy acrylate hybrid resin has the snappiness of epoxy acrylate or urethane acrylate hybrid resin and the high rigidity of silicon-dioxide simultaneously; Silicon-dioxide/urethane acrylate hybrid resin has the snappiness of urethane acrylate hybrid resin and the high rigidity of silicon-dioxide simultaneously, significantly improves the performance of the wear-resisting anti-Steel Wool friction of finish paint.
Further, the content 30% of silicon-dioxide in silicon-dioxide/epoxy acrylate hybrid resin and silicon-dioxide/urethane acrylate hybrid resin, particle diameter is 10 ~ 50 nanometers, and its performance is more excellent.
Further, adhesion promoter provided by the invention is the mixture of phosphoric acid modification Acrylic Acid Monomer and coupling agent.Wherein, phosphoric acid modification Acrylic Acid Monomer can strengthen the riveted effect of finish paint to metal plating; And coupling agent can be heated generation hydroxyl structure in baking and ultraviolet light polymerization stage, hydroxyl structure can form strong and stable hydrogen bond with the plated film of the materials such as metal coating, silicon compound, titanium compound, finish paint is firmly combined with plated film, further increases the bonding force of finish paint and plated film.
Further, coupling agent provided by the invention is the one in silane coupling agent and titanate coupling agent, adds and can carry out interactional coupling agent with plated film, further increase the bonding force of finish paint and plated film according to the material of plated film in finish paint.Silane coupling agent is vinyl three ('beta '-methoxy oxyethyl group) silane; Titanate coupling agent is sec.-propyl three (dioctyl phosphoric acid acyloxy) titanic acid ester.
Two painting type ultraviolet-cured paints provided by the invention, the auxiliary agent that its priming paint comprises two functionality aliphatic polyurethane acrylic resins of 10 ~ 20 weight parts, two functionality epoxy acrylic resins of 15 ~ 25 weight parts, the three-functionality-degree acrylate monomer of 10 ~ 15 weight parts, the sticking power of 1 ~ 3 weight part promote resin, the light trigger of 3 ~ 5 weight parts, the thinner of 25 ~ 60 weight parts and 0.1 ~ 0.5 weight part.Ultraviolet cured primer provided by the invention, can form flat surface to meet the needs of follow-up vacuum plating at device surface after application.Adopt ultraviolet cured primer provided by the invention, interact with aforesaid finish paint, the two painting type ultraviolet-cured paint performances obtained are better.Plated film can for having the vacuum plating of metal-like; Also can for having the optical coating of good light permeability, the coating effects of similar eyeglass lens surface, optical coating Color tunable is whole is the green various appearances effect such as blue or yellow, avoids being used in and adds pigment in coating and the color effects that can embody product.Ultraviolet cured primer provided by the invention can be combined with dissimilar vacuum plating.
Wherein, two functionality aliphatic polyurethane acrylic resins can improve the toughness of priming paint, and two functionality epoxy acrylic resins improve snappiness and the planarization of priming paint, and three-functionality-degree acrylate monomer improves the speed of solidifying priming paint reaction; Light trigger absorbs UV-light, for two functionality aliphatic polyurethane acrylic resins, two functionality epoxy acrylic resins, three-functionality-degree acrylate monomer composition generation chemical reaction provide institute's energy requirement, induce the carbon-carbon double bond unsaturated functional group generation free radical reaction in two functionality aliphatic polyurethane acrylic resins, two functionality epoxy acrylic resins, three-functionality-degree acrylate monomer, form cross-linked network structure, make coating be solid-state coating by liquid state, after making solidifying priming paint, combine the performance of each component.Sticking power promotes that resin tooth priming paint adheres to stability to base material, and auxiliary agent improves coating performance and the surface effect of ultraviolet-curing paint, ensures product appearance planarization; Thinner adjusting coating viscosity, is beneficial to construction.Combine according to the component of priming paint of the present invention and content, the priming paint toughness obtained and planarization good, can be coated on as PC, ABS, PC and ABS composite material, PA, PC and GF matrix material, PA and GF matrix materials etc. are surperficial and adhesive ability is excellent, if the too high levels or too low of each component in priming paint, all toughness and the adhesive ability of priming paint will be affected.Aforementioned three-functionality-degree acrylate monomer is Viscoat 295.
In priming paint, sticking power promotes that resin is acrylic resin, because phosphoric acid modification Acrylic Acid Monomer is acid higher building matter, generally be greater than 200mg KOH/g, easily to composite material surface corrosive nature, affect plated film, and acrylic resin acid number is lower, is generally less than 5mg KOH/g, the sticking power of priming paint to matrix material can be ensured, can not affect matrix material.Therefore, the present invention selects acrylic resin to promote resin as the sticking power of priming paint.
Light trigger is one or more in Alpha-hydroxy phenylcyclohexyl ketone or TMDPO.
Auxiliary agent comprises defoamer and flow agent.The present invention's defoamer used is poly-methyl alkyl siloxane solution; Flow agent is that polyester modification contains acrylic-functional polydimethylsiloxane.Thinner is one or more in ethyl acetate, butylacetate, methyl iso-butyl ketone (MIBK), Virahol, butanone.
When the invention provides lacquer painting solidification, priming paint required solidification energy is 600 ~ 1000mJ/cm 2; Finish paint required solidification energy is 1000 ~ 1500mJ/cm 2, corresponding energy can be provided by ultraviolet lamp.
Embodiment
In embodiment 1 ~ 6, for two functionality aliphatic polyurethane acrylic resins of priming paint purchased from Changxing, Taiwan chemical company, product type is 6112-100,6152-100; Two functionality aliphatic polyurethane acrylic resins are not limited to aforementioned firm and produce, and can also be purchased from Qing Te company of the U.S., product type is EBECRYL 230, EBECRYL 270; And Sartomer of the U.S., product type is CN9178NS, CN9001NS.
Two functionality epoxy acrylic resins are purchased from Changxing, Taiwan chemical company, and product type is 6215-100,623-100; Two functionality epoxy acrylic resins are not limited to aforementioned firm and produce, and can also be purchased from Qing Te company of the U.S., product type is EBECRYL3708; And Sartomer of the U.S., product type is CNUVE151NS.
15 functionality aliphatic polyurethane acrylic resins are purchased from Changxing, Taiwan chemical company, and product type is 6196-100.
Acrylated hyperbranched polyester resin is purchased from Changxing, Taiwan chemical company, and product type is 6363.
Organic-inorganic hybrid resin is purchased from Changxing, Taiwan chemical company, and product type is 601X-35,601C-35.
Two functional acrylate monomers's models are EM222; Three-functionality-degree acrylate monomer model is EM232; Six functionality acrylate monomer models are EM266, and above monomer is all purchased from Changxing, Taiwan chemistry.
In light trigger, Alpha-hydroxy phenylcyclohexyl ketone is purchased from Ciba company of Switzerland, and product type is Irgacure 184; TMDPO is purchased from Ciba company of Switzerland, and product type is Darocur TPO.
Sticking power promotes that resin is that acrylic resin is chemical purchased from Changxing, Taiwan, and product type is DR-A801;
Adhesion promoter comprises phosphoric acid modification Acrylic Acid Monomer, titanate coupling agent and silane coupling agent, phosphoric acid modification Acrylic Acid Monomer purchased from American Sartomer, and model is CD9050; Silane coupling agent is vinyl three ('beta '-methoxy oxyethyl group) silane, purchased from the sincere Chemical Co., Ltd. of Nanjing Olympic; Titanate coupling agent is sec.-propyl three (dioctyl phosphoric acid acyloxy) titanic acid ester, purchased from American Ken Ruiqi company.
In auxiliary agent, defoamer is poly-methyl alkyl siloxane solution, and model is BYK 077, flow agent is that polyester modification contains acrylic-functional polydimethylsiloxane, and model is BYK 371, all purchased from German BYK company.
Thinner ethyl acetate, butylacetate, methyl iso-butyl ketone (MIBK), Virahol, butanone are commercially available, analytical pure.
The coated solidified method of embodiment 1 ~ 6 finish paint, middle paint and priming paint:
A) be sprayed at after the ultraviolet cured primer in embodiment 1 ~ 6 being carried out pre-treatment step on PC base material, application thickness is 20 μm, and 50 DEG C of infrared lamps irradiate lower levelling 7min, 800mJ/cm 2energy-curable;
B) then vacuum plating or optical coating is carried out;
C) in vacuum plating, spray the UV-curable finish coat in embodiment 1 ~ 6, application thickness 15 μm, 60 DEG C of infrared lamps irradiate lower levelling 7min, 1100mJ/cm 2energy-curable.
Embodiment 1 ~ 6 medium ultraviolet photocureable priming coat pre-treatment step is:
A) by the resin preheating 1 ~ 2h at 40 ~ 50 DEG C containing acrylic acid groups in the ultraviolet cured primer of embodiment 1 ~ 6, dissolve with the thinner of 2/3 volume and obtain the first solution;
B) in the first solution, add the acrylic monomer in the ultraviolet cured primer of embodiment 1 ~ 6, light trigger, sticking power promotion resin or adhesion promoter add, at 40 ~ 50 DEG C, carry out stirring 20 ~ 30min with 500 ~ 600r/min obtain the second solution;
C) in the second solution, add the thinner of auxiliary agent in the ultraviolet cured primer of embodiment 1 ~ 6 and remaining 1/3 volume, under 900 ~ 1200r/min, stir 10 ~ 20min, obtain ultraviolet cured primer with 400 order filter-cloth filterings.
Above-mentioned thinner is the mixing solutions of ethyl acetate, butylacetate and Virahol.
Table 1 is the ultraviolet cured primer of embodiment 1, the component of finish paint and content proportioning.
Table 2 is the ultraviolet cured primer of embodiment 2, the component of finish paint and content proportioning.
Table 3 is the ultraviolet cured primer of embodiment 3, the component of finish paint and content proportioning.
Table 4 is the ultraviolet cured primer of embodiment 4, the component of finish paint and content proportioning.
Table 5 is the ultraviolet cured primer of embodiment 5, the component of finish paint and content proportioning.
Table 6 is the ultraviolet cured primer of embodiment 6, the component of finish paint and content proportioning.
Table 7 is component and the content proportioning of the ultraviolet pipe solidified paint of comparative example 1.
The ultraviolet cured primer of table 1 embodiment 1, the component of finish paint and content proportioning table
The ultraviolet cured primer of table 2 embodiment 2, the component of finish paint and content proportioning table
The ultraviolet cured primer of table 3 embodiment 3, the component of finish paint and content proportioning table
The ultraviolet cured primer of table 4 embodiment 4, the component of finish paint and content proportioning table
The ultraviolet cured primer of table 5 embodiment 5, the component of finish paint and content proportioning table
The ultraviolet cured primer of table 6 embodiment 6, the component of finish paint and content proportioning table
The component of the ultraviolet cured primer of table 7 comparative example 1, middle paint and finish paint and content proportioning table
The ultraviolet-curing paint of embodiment 1 ~ 6 and comparative example 1 is solidificated on PC base material according to the method for embodiment 1 ~ 6, carry out the wear-resisting test of RCA, the wear-resisting test of Steel Wool, pencil hardness test and sticking power test to the ultraviolet-curing paint on PC base material, detected result is listed in table 8.
The wear-resisting testing method of RCA is the wear-resisting testing method of conventional RCA, adopts Norman RCA wear-resistant tester, and example weight or paint film bear a heavy burden for carrying out under 175g condition.
RIM WI-QMR-06-002 standard testing is pressed in the wear-resisting test of Steel Wool, namely, on the linear wear resistant instrument of Taber 5700, adopt 0000# Steel Wool and under heavy burden 1000g condition, ultraviolet-curing paint surface rubbed, speed of circulation is 25 times/min, and friction length is 2.5 centimetres.The linear wear resistant instrument of Taber 5700 is purchased from Taber industry manufacturing company.
Pencil hardness test presses GB/T 6739-2006 standard testing, heavy burden 1000g; GB 9286-1998 standard testing is pressed in sticking power test.
Table 8 liang painting type ultraviolet-cured paint the performance test results table
From the test-results of table 8, the pencil hardness of the ultraviolet-curing paint of embodiment 1 ~ 6 is consistent with comparative example 1 with sticking power, prove that two painting type ultraviolet-cured paints provided by the invention have same pencil hardness and sticking power with three painting type ultraviolet-cured paints in comparative example 1, two painting type ultraviolet-cured paints of the present invention have saved middle paint material, cost is lower, and coating process is simpler.Its RCA wear resisting property of the ultraviolet-cured paint of embodiment 1 ~ 6, resistance to Steel Wool Scratch performance are apparently higher than comparative example 1, prove ultraviolet-curing paint crocking resistance provided by the invention, adhesion strength is obviously better than comparative example 1, combine according to the prescription of the ultraviolet-curing paint of embodiment 1 ~ 6, its pencil hardness, crocking resistance and adhesion strength are all optimum, if the too high levels of each component or too low, all rub resistance and the resistance to marring of ultraviolet-curing paint will be affected.The lacquer painting RCA wear resisting property wherein prepared in embodiment 3, hardness and resistance to Steel Wool frictional behaviour are optimum, are preferred embodiment.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (7)

1. a painting type ultraviolet-curing paint, it is characterized in that, comprise priming paint and finish paint, described finish paint comprises the auxiliary agent of the high-functionality polyurethane acrylic resin of 15 ~ 25 weight parts, the acrylated hyperbranched polyester resin of 10 ~ 15 weight parts, the organic-inorganic hybrid resin of 10 ~ 20 weight parts, six functionality acrylate monomers of 10 ~ 15 weight parts, the light trigger of 2 ~ 5 weight parts, the adhesion promoter of 1 ~ 2 weight part, the thinner of 20 ~ 60 weight parts and 0.2 ~ 2 weight part;
Organic-inorganic hybrid resin is silicon-dioxide/epoxy acrylate hybrid resin or silicon-dioxide/urethane acrylate hybrid resin;
The content 30wt% of silicon-dioxide in described silicon-dioxide/epoxy acrylate hybrid resin and silicon-dioxide/urethane acrylate hybrid resin, particle diameter is 10 ~ 50 nanometers;
Described high-functionality polyurethane acrylic resin is 15 functionality aliphatic polyurethane acrylic resins;
The auxiliary agent that described priming paint comprises two functionality aliphatic polyurethane acrylic resins of 10 ~ 20 weight parts, two functionality epoxy acrylic resins of 15 ~ 25 weight parts, the three-functionality-degree acrylate monomer of 10 ~ 15 weight parts, the sticking power of 1 ~ 3 weight part promote resin, the light trigger of 3 ~ 5 weight parts, the thinner of 25 ~ 60 weight parts and 0.1 ~ 0.5 weight part.
2. two painting type ultraviolet-curing paints according to claim 1, is characterized in that, described adhesion promoter comprises the phosphoric acid modification Acrylic Acid Monomer of 0.5 ~ 1.5 weight part and the coupling agent of 0.5 ~ 1 weight part.
3. two painting type ultraviolet-curing paints according to claim 2, it is characterized in that, described coupling agent is the one in silane coupling agent, titanate coupling agent, and described silane coupling agent is vinyl three ('beta '-methoxy oxyethyl group) silane; Described titanate coupling agent is sec.-propyl three (dioctyl phosphoric acid acyloxy) titanic acid ester.
4. two painting type ultraviolet-curing paints according to claim 1, is characterized in that, described sticking power promotes that resin is acrylic resin.
5. two painting type ultraviolet-curing paints according to any one of Claims 1-4, is characterized in that, described light trigger is one or both in Alpha-hydroxy phenylcyclohexyl ketone, TMDPO.
6. two painting type ultraviolet-curing paints according to any one of Claims 1-4, is characterized in that, described thinner is one or more in ethyl acetate, butylacetate, methyl iso-butyl ketone (MIBK), Virahol and butanone.
7. two painting type ultraviolet-curing paints according to any one of Claims 1-4, it is characterized in that, described auxiliary agent comprises flow agent and defoamer, and described flow agent is poly-methyl alkyl siloxane solution; Described defoamer is acrylic-functional polydimethylsiloxane.
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