CN102199374B - Ultraviolet light room temperature dual curing coating composition and preparation method thereof - Google Patents
Ultraviolet light room temperature dual curing coating composition and preparation method thereof Download PDFInfo
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Abstract
The invention provides an ultraviolet light room temperature dual curing coating composition, which comprises resin serving as a main body and a water-soluble curing agent, wherein the resin serving as the main body is an isocyanate acrylate oligomer and an epoxy modified acrylic polyhydric alcohol oligomer. The ultraviolet light room temperature dual curing coating composition is characterized in that the epoxy modified acrylic polyhydric alcohol oligomer has a structure shown as a formula I. The invention also provides a preparation method for the ultraviolet light room temperature dual curing coating composition, which comprises the step of mixing a mixture containing the resin serving as the main body and the water-soluble curing agent uniformly, wherein resin serving as the main body is the water-soluble isocyanate acrylate oligomer and the epoxy modified acrylic polyhydric alcohol oligomer. The ultraviolet light room temperature dual curing coating composition can be subjected to cure crosslinking under the conditions of both ultraviolet light and room temperature, and is low in energy consumption; and paint films formed by curing the coating composition are high in various performances.
Description
Technical field
The invention belongs to the coating composition field, relate in particular to a kind of UV-light normal temperature double curing coating composition and preparation method thereof.
Background technology
Advantage such as that ultraviolet-curing paint has is efficient, energy-conservation, formation efficiency is high, coating is wear-resisting, hardness is high, strong adhesion, fine corrosion resistance and production cost are low.But ultraviolet-curing paint can exist the zonule shade to solidify not exclusively in the photocuring process, makes paint film property relatively poor.In addition, the activity diluting monomer in the existing ultraviolet-curing paint contains lot of V OC (volatile organic compounds), environment is existed pollute.The ultraviolet-heat dual-cured coating has been avoided the defective of above-mentioned single ultraviolet light polymerization.
A kind of waterborne ultraviolet-heat dual curing coating composite and preparation method thereof is disclosed among the CN101418147A, the weight percentage of this coating composition is aqueous polyurethane acrylate oligomer 3.5-60%, aqueous polyurethane polyvalent alcohol oligomer 17-47%, waterborne curing agent 20-49%, light trigger 0.4-9%, auxiliary agent 0.4-9%.This double curing coating can carry out two keys under UV-irradiation crosslinked, and the generation of isocyanate group and hydroxyl is crosslinked under heating condition then, thereby realize the ultraviolet-heat dual cure.But, adopt this double curing coating composition on the matrix of surface tissue complexity, during film forming, can not solidify or solidify not exclusively at UV-light shadow region paint film, need heating just can finish curing, so energy consumption is had relatively high expectations.
Summary of the invention
The invention solves to exist in the prior art and solidify not exclusively and solidify the demanding problem of energy consumption.
The invention provides a kind of UV-light normal temperature double curing coating composition, contain matrix resin and waterborne curing agent; Described matrix resin is water soluble acrylic acid isocyanic ester oligomer and epoxy-modified acrylic acid polyvalent alcohol oligomer; Described epoxy modification acrylate polyvalent alcohol oligomer has structure shown in the formula 1:
Wherein, R
1Be dihydroxyl methacrylic ester, Propylene glycol monoacrylate, hydroxyethyl methylacrylate or Hydroxyethyl acrylate; R
2Be polyester diol, PCDL or polypropylene glycol; R
3Be toluene, ditan or dicyclohexyl methyl hydride, x is the integer of 3-200, and m is the integer of 3-200.
The present invention also provides a kind of preparation method of UV-light normal temperature double curing coating composition, comprise that the mixture that will contain matrix resin and waterborne curing agent mixes, described matrix resin is water soluble acrylic acid isocyanic ester oligomer and epoxy-modified acrylic acid polyvalent alcohol oligomer; It is characterized in that described epoxy-modified acrylic acid polyvalent alcohol oligomer has structure shown in the formula 1.
UV-light normal temperature double curing coating composition provided by the invention does not contain VOC, environmentally safe; The present invention simultaneously selects by component and content to coating composition, makes UV-light normal temperature double curing coating composition of the present invention two keys by acrylic acid groups under ultraviolet light conditions carry out crosslinking curing; Epoxy-modified acrylic acid polyvalent alcohol oligomer contains epoxide group, can improve to solidify the performance that the back forms paint film; Under the normal temperature condition, the epoxide group in the epoxy-modified acrylic acid polyvalent alcohol oligomer, hydroxyl continue to take place crosslinked with waterborne curing agent.This second step crosslinking reaction need not to carry out under heating condition, capable of reducing energy consumption, and improve the various performances of paint film: from the test result of table 2 as can be seen, behind the coating composition ambient cure 24h of the embodiment of the invention 1, the hardness of paint film reaches 5H, shock strength is 50cm, and snappiness is 1mm, and sticking power is 1 grade.
Embodiment
The invention provides a kind of UV-light normal temperature double curing coating composition, contain matrix resin and waterborne curing agent; Described matrix resin is water soluble acrylic acid isocyanic ester oligomer and epoxy-modified acrylic acid polyvalent alcohol oligomer; Described epoxy-modified acrylic acid polyvalent alcohol oligomer has structure shown in the formula 1:
Wherein, R
1Be dihydroxyl methacrylic ester, Propylene glycol monoacrylate, hydroxyethyl methylacrylate or Hydroxyethyl acrylate; R
2Be polyester diol, PCDL or polypropylene glycol; R
3Be toluene, ditan or dicyclohexyl methyl hydride, x is the integer of 3-200, and m is the integer of 3-200.
The curing mechanism of UV-light normal temperature double curing coating composition of the present invention is: under UV-irradiation, the water soluble acrylic acid isocyanic ester oligomer (being designated as the A component) in the matrix resin and the vinylformic acid carbon-carbon double bond in the epoxy-modified acrylic acid polyvalent alcohol oligomer (being designated as the B component) take place crosslinked; After ultraviolet light polymerization was finished, the active group in the coating composition except two keys continued and waterborne curing agent generation crosslinking curing, thereby realizes ambient cure, forms paint film at last.The present inventor finds by a large amount of experiments, when adopting the B component in the UV-light normal temperature double curing coating composition of the present invention, epoxide group and waterborne curing agent degree of crosslinking are higher, and can promote the crosslinking reaction of hydroxyl and waterborne curing agent, therefore can effectively improve the ambient cure performance of UV-light normal temperature double curing coating composition of the present invention, thereby curing cross-linked can further take place in incomplete consolidation zone when making ultraviolet light polymerization, thereby improves paint film property.
Under the preferable case, R
1Be Propylene glycol monoacrylate or Hydroxyethyl acrylate; R
2Be polyester diol or polypropylene glycol; R
3Be ditan or dicyclohexyl methyl hydride.
Among the present invention, be benchmark with the quality of UV-light normal temperature double curing coating composition, the A components contents is 5-60%, and the B components contents is 20-45%, and the content of waterborne curing agent is 15-30%.Under the preferable case, the A components contents is 20-55%, and the B components contents is 30-45%, and the content of waterborne curing agent is 20-30%.
Among the present invention, the various water soluble acrylic acid isocyanic ester oligomers that the A component is used always for those skilled in the art.For example, the A component has structure shown in the formula 2:
Formula 2
A component and B component have similar polyester polyol structural unit and acrylic acid structure unit, so A component and B component have consistency preferably, UV-light normal temperature double curing coating composition of the present invention better dispersed.Among the present invention, the A component can directly adopt and be purchased product, also can oneself synthesize.For example, the A component is polymerized by acrylate, isocyanic ester and polypropylene glycol; The preparation method of B component can adopt: behind acrylate and polyvalent alcohol or the Racemic glycidol polyisocyanate polyaddition, introduce epoxide group in the polyol structure unit, can obtain described epoxy-modified acrylic acid polyvalent alcohol oligomer.
A component synthetic can adopt in the prior art disclosed method to carry out, for example: polypropylene glycol, internal emulsifying agent dimethylol propionic acid (DMPA), acetone and Hydroxyethyl acrylate are stirred, 80 ℃ add Toluene-2,4-diisocyanate down, 4-vulcabond (TDI), under the catalyzer dibutyl tin dilaurate condition condensation reaction taking place, can obtain described water soluble acrylic acid isocyanic ester oligomer with the triethylamine neutralization at last.Wherein, DMPA is used for Toluene-2,4-diisocyanate, and the 4-vulcabond carries out hydrophilic modifying; Acetone is as dispersion agent.
B component synthetic can adopt in the prior art disclosed method to carry out, for example: vinylbenzene (St), butyl acrylate (BA), methyl methacrylate (MMA), propenoic acid beta hydroxypropyl acrylate (HPA), glycidyl methacrylate are mixed, and the adding compound emulsifying agent carries out pre-emulsification; Add initiator potassium persulfate (KPS) then, reaction can obtain epoxy-modified acrylic acid polyvalent alcohol oligomer of the present invention; Described compound emulsifying agent is formed by Sodium dodecylbenzene sulfonate (SDBS) and the mixed in molar ratio of alkyl phenyl polyoxy ethyl ether (OP-10) with 1: 2.
Among the present invention, the various waterborne curing agents that described waterborne curing agent can adopt those skilled in the art to use always.Under the preferable case, described waterborne curing agent has structure shown in the following formula 3,
Formula 3
Wherein, n is the integer of 20-80.
Waterborne curing agent shown in the formula 3, this solidifying agent can stable dispersion in water, with Resins, epoxy very high consistency is arranged again.Among the present invention, the waterborne curing agent shown in the formula 3 can directly adopt and be purchased product, for example can adopt the aqueous epoxy curing agent G-328 of Mitsubishi; Also can be directly the chamber is synthetic by experiment, its synthetic method is conventionally known to one of skill in the art, for example under the alkaline condition with m-xylene diamine and epoxy chloropropane polymerization.
As those skilled in the art's common practise, also contain light trigger in the described UV-light normal temperature double curing coating composition.The various light triggers that described light trigger is used always for those skilled in the art; for example can be 2-hydroxy-2-methyl-1-phenyl-acetone, 1-hydroxy-cyclohexyl benzophenone, 2; 2-dimethyl-Alpha-hydroxy methyl phenyl ketone or (2,4,6-trimethylbenzoyl) diphenyl phosphine oxide.Among the present invention, light trigger also can directly adopt and be purchased product, and light trigger can be selected from one or more among Irgacure184, Irgacure29559, Irgacure907 and the Darocur1173 of IHT-PI185, the IHT-PI907 of the domestic strange high-tech art of Beijing English company limited and Switzerland vapour Bagong department.Quality with UV-light normal temperature double curing coating composition is benchmark, and the content of light trigger is 0.6-10%.
Among the present invention, for the curing degree that improves described UV-light normal temperature double curing coating composition or curing form the various performances of paint film after finishing, can also contain auxiliary agent in the described UV-light normal temperature double curing coating composition.Described auxiliary agent is for well known to a person skilled in the art various auxiliary agents, for example can be in flow agent, defoamer, dispersion agent, the adhesion promoter one or more.Quality with UV-light normal temperature double curing coating composition is benchmark, and the content of auxiliary agent is 0.6-10%.
Flow agent of the present invention mainly is in order to guarantee the surface effect of coating excellence, the kind of flow agent and consumption are conventionally known to one of skill in the art, for example flow agent can be selected from EFKA3883, EFKA3886, EFKA3600, BYK366, BYK333, among BYK307, DEGO410, DEGO Glide410, Glide450, Rad2300, Rad2500, the TEGO Rad 2100 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.Quality with UV-light normal temperature double curing coating composition is benchmark, and the content of flow agent is preferably 0.05-5%.
The kind of defoamer of the present invention and consumption are conventionally known to one of skill in the art, for example, defoamer can be selected from EFKA2022, EFKA2527, EFKA2040, BYK352, BYK354, BYK357, TEGO Airex900, TEGO Airex920, TEGO Airex900, FOAMEX N, in one or more.Quality with UV-light normal temperature double curing coating composition is benchmark, and the content of defoamer is 0.05-5%.
Dispersion agent of the present invention refers to any material that can improve described UV-light normal temperature double curing coating composition dispersion state, as among Kerper-602, Kerper-605, Kerper630, CFC-500HP, CFC-510, CFC-637, CFC-604S, BYK163, the BYK105 one or more.Wherein Kerper series is U.S. Kerper company product, and CFC series is French CFC company product.Quality with UV-light normal temperature double curing coating composition is benchmark, and the content of described dispersion agent is 1-10%.
Adhesion promoter of the present invention is used for improving the sticking power of paint film and base material, and its kind and consumption are conventionally known to one of skill in the art; For example can adopt in hydroxyethyl methylacrylate, the silane coupling agent one or more.Quality with UV-light normal temperature double curing coating composition is benchmark, and the content of described adhesion promoter is 1-5%.
UV-light normal temperature double curing coating composition of the present invention can be used as varnish, also can add various pigment and filler according to actual needs.Total mass with UV-light normal temperature double curing coating composition is benchmark, and the content of pigment is 1-10%, and the content of filler is 1-10%.
Wherein, described pigment can be selected according to the difference of printed patterns, for example can be selected from carbon black, titanium dioxide, pearlescence, pearl powder, aluminium paste, silver-colored slurry, azo pigment and the phthalocyanine pigment one or more, also can add special effect pigments as required, as luminescent powder, chameleon powder etc., the preferred special effect pigments of the present invention can be added before construction, is not destroyed to guarantee pigment structure and performance.Pigment the present invention can be commercially available, for example Clariant company produce 1533,1541,7005s and 1441; The carbon black of Degussa; All kinds of pearlescences and chameleon powder that Korea S CQV company produces, all kinds of pearlescences that Merck KGaA company produces and chameleon powder etc.
If described filler is for reducing cost.Among the present invention, described filler is selected from one or several in talcum powder, barium sulfate, silicon-dioxide, kaolin and the silica powder.
The present invention also provides a kind of preparation method of UV-light normal temperature double curing coating composition, comprises that the mixture that will contain matrix resin and waterborne curing agent mixes.Particularly, the preparation method of UV-light normal temperature double curing coating composition of the present invention can also can mix step by step for A component, B component, waterborne curing agent, light trigger, auxiliary agent, pigment and filler are mixed simultaneously.Under the preferable case, earlier A component, B component are mixed, continue under the agitation condition to add pigment, filler, light trigger, auxiliary agent, add waterborne curing agent at last, continuing to stir can UV-light normal temperature double curing coating composition of the present invention.
UV-light normal temperature double curing coating composition of the present invention, it is shorter to solidify required time fully at substrate surface, solidifies the sticking power height that the back forms paint film and base material, and the hardness of paint film, shock strength and snappiness are all higher.
Adopt the mode of embodiment that the present invention is described in further detail below.
Embodiment 1
(1) preparation of A component
In the 500mL four-hole boiling flask of agitator, prolong and thermometer is housed, add 140g polypropylene glycol, 6.8g DMPA, 30g acetone and 40g Hydroxyethyl acrylate, be warming up to 80 ℃ after the stirring and dissolving, drip 40mLTDI, drip off in the 1h; Add 0.05g catalyzer dibutyl tin dilaurate, reaction 3h; Add the neutralization of 6.5mL triethylamine when being cooled to 40 ℃, stopped reaction behind the 10min obtains vinylformic acid isocyanic ester oligomer, i.e. the A component.
(2) preparation of B component
With 21g compound emulsifying agent (SDBS and OP-10 mol ratio are 1: 2), 70mL deionized water, 20mLSt, 15mL BA, 30mL MMA, 10mL HPA, 30g glycidyl methacrylate, stir 30min with 500 rev/mins rotating speeds, change in the constant pressure funnel stand-by; 0.35g KPS is dissolved in the 30mL deionized water, changes in the constant pressure funnel stand-by; In four-hole boiling flask, add 40mL water, 1g compound emulsifying agent (SDBS and OP-10 mol ratio are 1: 2), be warming up to 70 ℃, stir down adding 1/10 above-mentioned pre-emulsified monomer and initiator earlier, reaction 30min; Then remaining pre-emulsified monomer and initiator are dropwised in 2-3h, be warming up to 80 ℃, insulation reaction 1.5h; Cooling is filtered, and obtains epoxy-modified acrylic acid polyvalent alcohol oligomer, i.e. the B component.
(3) preparation of UV-light normal temperature double curing coating composition
The water soluble acrylic acid polyvalent alcohol oligomer (B component) that 55.9g water soluble acrylic acid isocyanic ester oligomer (A component) and 23.5g is epoxide modified stirs 2h with 1000 rev/mins rotating speed, add 3g titanium dioxide, 2.5g talcum powder, 0.5g light trigger Irgacure907,0.2g flow agent BYK307,0.21g dispersant B YK105 and 2.5g hydroxyethyl methylacrylate, continue to stir 0.5h, add 20g waterborne curing agent G-328 at last, continue to stir 3 minutes, obtain the milky UV-light normal temperature double curing coating of present embodiment, be designated as S1.
Embodiment 2-6
Adopt the method identical with embodiment 1 to prepare the UV-light normal temperature double curing coating composition of embodiment 2-6, difference is:
In the step (3), each component and content in the coating composition are as shown in table 1, and the UV-light normal temperature double curing coating composition that obtains is designated as S2-S6 successively:
Table 1
| Embodiment | S2 | S3 | S4 | S5 | S6 |
| The A component | 40％ | 25％ | 50％ | 40％ | 40％ |
| The B component | 30％ | 45％ | 20％ | 30％ | 30％ |
| Waterborne curing agent | 20％ | 20％ | 20％ | 20％ | 20％ |
| Light trigger | 1％ | 1％ | 1％ | 1％ | 1％ |
| Flow agent | 1％ | 1％ | 1％ | - | 1％ |
| Defoamer | 0.5％ | 0.5％ | 0.5％ | - | 1％ |
| Dispersion agent | 1.5％ | 1.5％ | 1.5％ | 3％ | 5％ |
| Adhesion promoter | 1％ | 1％ | 1％ | 1％ | 2％ |
| Pigment | 3％ | 3％ | 3％ | 3％ | - |
| Filler | 2％ | 2％ | 2％ | 2％ | - |
Comparative Examples 1
Adopt CN101418147A embodiment 1 disclosed raw material and method to prepare the coating composition of this Comparative Examples, be designated as SD1.
Performance test:
Coating composition S1-S6 and the SD1 of embodiment 1-6 and Comparative Examples 1 preparation are sprayed on the tinplate of polishing in advance, oil removing, rust cleaning, solidify 30s under the UV-light of power 3KW, normal temperature is placed, and the paint film of formation is designated as S11-S66 and SD11.
SD1 is sprayed on the tinplate of polishing in advance, oil removing, rust cleaning, under the UV-light of power 3KW, solidifies 30s, 80 ℃ of following thermofixation 1min, normal temperature is placed, and the paint film of formation is designated as SD12.
(1) test S1 coating composition forms hardness, shock strength, snappiness and the sticking power of the placement of S11 normal temperature 4h, 5h, 6h, 8h, 12h, 16h and the 24h of paint film on the tinplate surface, and test result is as shown in table 2.
(2) test hardness, shock strength, snappiness and the sticking power that normal temperature is placed paint film S22-S66 and SD11-SD12 behind the 24h respectively, test result is as shown in table 3; Wherein, hardness adopts the disclosed pencil hardness method test of GB/T1730-93, and shock strength adopts the test of GB/T 1732-93 disclosed method, and snappiness adopts the test of GB/T1731-93 disclosed method, and sticking power adopts the test of GB1720-79 disclosed method.
Table 2
| Test duration | Hardness | Shock strength (cm) | Snappiness (mm) | Sticking power (level) |
| 4h | HB | 20 | 1 | 2 |
| 5h | H | 30 | 1 | 2 |
| 6h | 3H | 40 | 1 | 1 |
| 8h | 3H | 50 | 1 | 1 |
| 12h | 5H | 50 | 1 | 1 |
| 16h | 5H | 50 | 1 | 1 |
| 24h | 5H | 50 | 1 | 1 |
Table 3
| The paint film sample | Hardness | Shock strength (cm) | Snappiness (mm) | Sticking power (level) |
| S11 | 5H | 50 | 1 | 1 |
| S22 | 5H | 50 | 1 | 1 |
| S33 | 3H | 45 | 1 | 1 |
| S44 | 3H | 30 | 1 | 2 |
| S55 | 5H | 50 | 2 | 1 |
| S66 | 2H | 32 | 1 | 1 |
| SD11 | HB | 15 | 2.5 | 2 |
| SD12 | 3H | 30 | 2 | 1 |
Find out that from the test result of last table 2 UV-light normal temperature double curing coating composition of the present invention has ambient cure performance preferably, along with time lengthening, the various performances of paint film increase gradually; Behind the ambient cure 24h, hardness of paint film reaches 5H, and shock strength is 50cm, and snappiness is 1mm, and sticking power is 1 grade.
Find out from the test result of last table 3, after UV-light normal temperature double curing coating composition UV-irradiation of the present invention is finished, the paint film that need not to heat, forms under the prerequisite of less energy-consumption is compared with Comparative Examples, has higher hardness, offset intensity and snappiness are higher, and the sticking power of paint film and base material is very high.
Claims (8)
1. a UV-light normal temperature double curing coating composition contains matrix resin and waterborne curing agent; Described matrix resin is water soluble acrylic acid isocyanic ester oligomer and epoxy-modified acrylic acid polyvalent alcohol oligomer; It is characterized in that described epoxy-modified acrylic acid polyvalent alcohol oligomer has structure shown in the formula 1:
Wherein, R
1Be dihydroxyl methacrylic ester, Propylene glycol monoacrylate, hydroxyethyl methylacrylate or Hydroxyethyl acrylate; R
2Be polyester diol, PCDL or polypropylene glycol; R
3Be toluene, ditan or dicyclohexyl methyl hydride, x is the integer of 3-200, and m is the integer of 3-200; Quality with UV-light normal temperature double curing coating composition is benchmark, and the content of water soluble acrylic acid isocyanic ester oligomer is 5-60%, and the content of epoxy-modified acrylic acid polyvalent alcohol oligomer is 20-45%, and the content of waterborne curing agent is 15-30%; Described water soluble acrylic acid isocyanic ester oligomer has structure shown in the formula 2,
Wherein, n is the integer of 20-80.
2. UV-light normal temperature double curing coating composition according to claim 1, it is characterized in that, quality with UV-light normal temperature double curing coating composition is benchmark, the content of water soluble acrylic acid isocyanic ester oligomer is 20-55%, the content of epoxy-modified acrylic acid polyvalent alcohol oligomer is 30-45%, and the content of waterborne curing agent is 20-30%.
3. UV-light normal temperature double curing coating composition according to claim 1 is characterized in that, also contains light trigger in the described UV-light normal temperature double curing coating composition; Described light trigger is selected from 2-hydroxy-2-methyl-1-phenyl-acetone, 1-hydroxy-cyclohexyl benzophenone, 2, one or more in 2-dimethyl-Alpha-hydroxy methyl phenyl ketone or (2,4,6-trimethylbenzoyl) diphenyl phosphine oxide.
4. UV-light normal temperature double curing coating composition according to claim 1 is characterized in that, described UV-light normal temperature double curing coating composition also contains auxiliary agent; Described auxiliary agent contains one or more in flow agent, defoamer, dispersion agent, the adhesion promoter.
5. UV-light normal temperature double curing coating composition according to claim 4, it is characterized in that, quality with UV-light normal temperature double curing coating composition is benchmark, the content of flow agent is 0.05-5%, the content of defoamer is 0.05-5%, the content of dispersion agent is 1-10%, and the content of adhesion promoter is 1-5%.
6. UV-light normal temperature double curing coating composition according to claim 1 is characterized in that, contains pigment and filler in the described UV-light normal temperature double curing coating composition.
7. UV-light normal temperature double curing coating composition according to claim 6 is characterized in that, is benchmark with the total mass of UV-light normal temperature double curing coating composition, and the content of pigment is 1-10%, and the content of filler is 1-10%.
8. the preparation method of a UV-light normal temperature double curing coating composition comprises that the mixture that will contain matrix resin and waterborne curing agent mixes, and described matrix resin is water soluble acrylic acid isocyanic ester oligomer and epoxy-modified acrylic acid polyvalent alcohol oligomer; It is characterized in that described epoxy-modified acrylic acid polyvalent alcohol oligomer has structure shown in the formula 1:
Wherein, R
1Be dihydroxyl methacrylic ester, Propylene glycol monoacrylate, hydroxyethyl methylacrylate or Hydroxyethyl acrylate; R
2Be polyester diol, PCDL or polypropylene glycol; R
3Be toluene, ditan or dicyclohexyl methyl hydride, x is the integer of 3-200, and m is the integer of 3-200; Quality with UV-light normal temperature double curing coating composition is benchmark, and the content of water soluble acrylic acid isocyanic ester oligomer is 5-60%, and the content of epoxy-modified acrylic acid polyvalent alcohol oligomer is 20-45%, and the content of waterborne curing agent is 15-30%; Described water soluble acrylic acid isocyanic ester oligomer has structure shown in the formula 2,
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| CN104945968A (en) * | 2015-05-16 | 2015-09-30 | 刘彦君 | Light-cured three-dimensional printing resin composition and preparation method thereof |
| CN110016143B (en) * | 2019-03-28 | 2021-08-27 | 深圳职业技术学院 | Multifunctional hybrid curing resin and preparation method thereof |
| CN114854303A (en) * | 2022-04-14 | 2022-08-05 | 复旦大学 | High-performance water-based bi-component UV dual-curing quick-drying type finishing varnish coating and application thereof |
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| JP2008106177A (en) * | 2006-10-26 | 2008-05-08 | Kansai Paint Co Ltd | One-pack undercoat composition and coating method using the same |
| CN101418147A (en) * | 2008-12-11 | 2009-04-29 | 中国科学院长春应用化学研究所 | Waterborne ultraviolet-heat dual curing coating composite and preparation method thereof |
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