CN105331279B - A kind of waterborne UV coating and preparation method thereof - Google Patents

A kind of waterborne UV coating and preparation method thereof Download PDF

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Publication number
CN105331279B
CN105331279B CN201510937909.4A CN201510937909A CN105331279B CN 105331279 B CN105331279 B CN 105331279B CN 201510937909 A CN201510937909 A CN 201510937909A CN 105331279 B CN105331279 B CN 105331279B
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Prior art keywords
coating
waterborne
levelling agent
epoxy
acrylate
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CN201510937909.4A
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CN105331279A (en
Inventor
刘春峰
沙世强
于海舒
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Liaoning Shunfeng New Material Technology Co.,Ltd.
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Shenyang Shunfeng New Materials Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D175/00Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04Polyurethanes
    • C09D175/14Polyurethanes having carbon-to-carbon unsaturated bonds
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08Anti-corrosive paints
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/63Additives non-macromolecular organic
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend

Abstract

A kind of waterborne UV coating and preparation method thereof, the waterborne UV coating is made up of the raw material of following mass percent:Urethane acrylate 25%~35%, epoxy acrylate 20%~30%, aqueous hyperbranched polyurethane 5%~10%, fluorocarbon resin 5%~10%, light trigger 5%~15%, dispersant 2%~5%, auxiliary agent 2%~10%.The urethane acrylate is fluorochemical urethane acrylate, and the epoxy acrylate is bisphenol A epoxy acrylate and the mixture of aliphatic epoxy tetraacrylate;The auxiliary agent is the mixture of silicone levelling agent and fluorine-carbon modified class levelling agent.The preparation method of the waterborne UV coating, technique is simple, and the coating of preparation has good adhesion property and hydrophobic, water resistance, its curing rate is faster compared with traditional UV coating, it is to avoid the generation of bubble in solidification process;Meanwhile, anticorrosive, the ageing-resistant and acid-proof alkaline of the coating is also obviously improved, and is the surface coating of a kind of ideal metal and woodenware.

Description

A kind of waterborne UV coating and preparation method thereof
Technical field
The present invention relates to technical field of coatings, more particularly to a kind of waterborne UV coating and preparation method thereof.
Background technology
Photocureable coating(UV coating)It is a kind of efficient, new coating of energy-saving and environmental protection, traditional UV coating is dilute using activity Agent regulation rheology is released, causes coating that there is strong impulse smell, and harmful effect is produced to the physical property of film.Relatively In traditional UV coating, waterborne UV coating not only realizes low VOC, and is had no irritating odor in solidification process, to constructor and Terminal user is without actual bodily harm.So the oligomer of high relative molecular mass can be used in waterborne radiation curable coating to replace living Property diluent so as to overcoming this shortcoming.But UV coating still has some shortcomings now, such as:(1)Base should not be coated with Because its adhesive force is undesirable after material, and coating, coating is easy to fall off;(2)Anticorrosive, ageing-resistant and acid-proof alkaline is poor, no Widely used requirement can be reached.
The content of the invention
In view of the above-mentioned problems, the present invention provide it is a kind of there is good adhesion and paintability, it is relatively strong anticorrosive, ageing-resistant With the waterborne UV coating of acid-proof alkaline and preparation method thereof.
To realize the above-mentioned purpose of the present invention, the present invention provides a kind of waterborne UV coating, is by following mass percent Raw material composition:Urethane acrylate 25%~35%, epoxy acrylate 20%~30%, aqueous hyperbranched polyurethane 5%~ 10%th, fluorocarbon resin 5%~10%, light trigger 5%~15%, dispersant 2%~5%, auxiliary agent 2%~10%.
The present invention also provides a kind of preparation method of waterborne UV coating, comprises the following steps.
Step 1, by mass percentage by 25%~35% urethane acrylate, 20%~30% epoxy acrylate and 5%~10% aqueous hyperbranched polyurethane is added in the container specified, and is carried out 2~5h of mechanical agitation, is filled these three materials Divide mixing, the fluorocarbon resin powder and 2%~5% dispersant for then adding 5%~10% carry out 5~10h of mechanical agitation again, So that fluorocarbon resin powder is dispersed in the solution, homogeneous solution is obtained.
Step 2, by 5%~15% light trigger and 2%~10% auxiliary agent, be added in step 1 gained homogeneous solution, continue 1~2h is stirred, until stirring, UV coating is produced.
The urethane acrylate is fluorochemical urethane acrylate.
The epoxy acrylate is bisphenol A epoxy acrylate and the mixture of aliphatic epoxy tetraacrylate, institute The mass ratio for stating bisphenol A epoxy acrylate and aliphatic epoxy tetraacrylate is 4:5~9.
The light trigger is alpha, alpha-dimethyl epoxide-α-phenyl acetophenone, the oxidation of 2,4,6- trimethylbenzoy-diphenies One kind in phosphine, 2- hydroxy-2-methyls -1- [4- (2- hydroxyl-oxethyls) phenyl] -1- acetone, alpha-hydroxyalkyl benzophenone.
The auxiliary agent is levelling agent, and the levelling agent is the mixing of silicone levelling agent and fluorine-carbon modified class levelling agent The mass ratio of thing, the silicone levelling agent and fluorine-carbon modified class levelling agent is 5:2~4.
Beneficial effects of the present invention compared with prior art.
Waterborne UV coating that the present invention is provided and preparation method thereof, using fluorochemical urethane acrylate so that coating has Have a higher water resistance and alcohol resistance, levelability preferably, curing rate also substantially accelerate, while the surface of coating is more after solidification It is smooth;Meanwhile, the addition of the mixture of bisphenol-A epoxy acrylic resin and aliphatic epoxy tetraacrylate, not only causing should Waterborne UV coating is substantially strengthened the adhesive force of matrix, and stress of aliphatic acrylate when alleviating curing of coating is received Contracting, pliability, impact resistance to film play obvious action;The addition of aqueous hyperbranched polyurethane is effectively improved to be contained admittedly Amount and the glossiness and richness of paint film;The addition of fluorocarbon resin causes the shortcoming of tradition UV coating loss of properties on agings to obtain It is obviously improved, so that not only curing rate is faster for the waterborne UV coating, it is to avoid the generation of bubble in solidification process, and It is the surface coating of a kind of ideal metal and woodenware with stronger anticorrosive, ageing-resistant and acid-proof alkaline.
Embodiment
The present invention is further described with reference to specific embodiment.
Embodiment 1.
The present embodiment provides a kind of waterborne UV coating, is made up of the raw material of following mass percent:Polyurethane propylene Acid esters 30%, epoxy acrylate 25%, aqueous hyperbranched polyurethane 10%, fluorocarbon resin 10%, light trigger 15%, dispersant 5%, Auxiliary agent 5%.
The urethane acrylate is fluorochemical urethane acrylate;The epoxy acrylate is mass ratio 4:6 The mixture of bisphenol A epoxy acrylate and aliphatic epoxy tetraacrylate;The auxiliary agent is mass ratio 5:3 organic silicon The mixture of levelling agent and fluorine-carbon modified class levelling agent;The light trigger is alpha, alpha-dimethyl epoxide-α-phenyl acetophenone.
The present embodiment also provides a kind of preparation method of waterborne UV coating, comprises the following steps.
Step 1, by mass percentage by 30% fluorochemical urethane acrylate, 25% epoxy acrylate and 10% Aqueous hyperbranched polyurethane is added in the container specified, and is carried out mechanical agitation 4h, is sufficiently mixed these three materials, Ran Houzai The fluorocarbon resin powder and 5% dispersant for adding 10% carry out mechanical agitation 10h again so that fluorocarbon resin powder is dispersed In the solution, homogeneous solution is obtained.
Step 2, by 15% alpha, alpha-dimethyl epoxide-α-phenyl acetophenone and 5% auxiliary agent, be added to step 1 gained homogeneous solution In, continue to stir 2h, until stirring, produce UV coating.
Embodiment 2.
The present embodiment provides a kind of waterborne UV coating, is made up of the raw material of following mass percent:Polyurethane propylene Acid esters 35%, epoxy acrylate 23%, aqueous hyperbranched polyurethane 7%, fluorocarbon resin 10%, light trigger 12%, dispersant 3%, Auxiliary agent 10%.
Embodiment 3.
The present embodiment provides a kind of waterborne UV coating, is made up of the raw material of following mass percent:Polyurethane propylene Acid esters 28%, epoxy acrylate 30%, aqueous hyperbranched polyurethane 7%, fluorocarbon resin 8%, light trigger 13%, dispersant 4%, help Agent 10%.

Claims (4)

1. a kind of waterborne UV coating, it is characterised in that be made up of the raw material of following mass percent:Fluorochemical urethane propylene The mixture 20%~30% of acid esters 25%~35%, bisphenol A epoxy acrylate and aliphatic epoxy tetraacrylate, aqueous over-expense Change polyurethane 5%~10%, fluorocarbon resin 5%~10%, light trigger 5%~15%, dispersant 2%~5%, levelling agent 2%~10%;Institute The mass ratio for stating bisphenol A epoxy acrylate and aliphatic epoxy tetraacrylate is 4:5~9.
2. waterborne UV coating as claimed in claim 1, it is characterised in that the light trigger is alpha, alpha-dimethyl epoxide-α-phenyl Acetophenone, 2,4,6- trimethylbenzoy-diphenies phosphine oxide, 2- hydroxy-2-methyls -1- [4- (2- hydroxyl-oxethyls) benzene Base] -1- acetone, one kind in alpha-hydroxyalkyl benzophenone.
3. waterborne UV coating as claimed in claim 1, it is characterised in that the levelling agent is silicone levelling agent and fluorine carbon The mass ratio of the mixture of modified class levelling agent, the silicone levelling agent and fluorine-carbon modified class levelling agent is 5:2~4.
4. the preparation method of waterborne UV coating as claimed in claim 1, it is characterised in that comprise the following steps:
Step 1, by mass percentage by 25%~35% fluorochemical urethane acrylate, 20%~30% bisphenol-A epoxy propylene Acid esters and the mixture and 5%~10% aqueous hyperbranched polyurethane of aliphatic epoxy tetraacrylate are added to the container specified In, 2~5h of mechanical agitation is carried out, these three materials is sufficiently mixed, then adds 5%~10% fluorocarbon resin and 2%~5% Dispersant carry out 5~10h of mechanical agitation again so that fluorocarbon resin is dispersed in the solution, obtains homogeneous solution;
Step 2, by 5%~15% light trigger and 2%~10% levelling agent, be added in step 1 gained homogeneous solution, continue to stir 1~2h is mixed, until stirring, UV coating is produced.
CN201510937909.4A 2015-12-16 2015-12-16 A kind of waterborne UV coating and preparation method thereof Active CN105331279B (en)

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CN105331279B true CN105331279B (en) 2017-07-28

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CN107353804A (en) * 2016-05-09 2017-11-17 中国林业科学研究院木材工业研究所 A kind of environment-friendly type woodwork coating and preparation method thereof
CN107353805A (en) * 2016-05-09 2017-11-17 中国林业科学研究院木材工业研究所 A kind of water-based UV woodwork coatings and preparation method thereof
CN107903800A (en) * 2017-10-31 2018-04-13 北京展辰新材料有限公司 A kind of water-based UV varnish of large arch dam and preparation method and application
CN108587416B (en) * 2018-05-08 2020-04-17 中科广化(重庆)新材料研究院有限公司 Fluorine-containing prepolymer modified waterborne epoxy (methyl) acrylate composite UV (ultraviolet) curing coating and preparation and application thereof
CN109054562A (en) * 2018-07-13 2018-12-21 安徽康瑞高科新材料技术工程有限公司 A kind of waterborne UV coating and preparation method thereof
CN109749619B (en) * 2018-12-28 2021-06-08 东来涂料技术(上海)股份有限公司 Super-hydrophobic and stain-resistant water-based UV coating and preparation method thereof
WO2022088124A1 (en) * 2020-10-30 2022-05-05 河北比尔尼克新材料科技股份有限公司 Water-based fluorocarbon paint, preparation method therefor and use thereof
CN115260826A (en) * 2022-09-26 2022-11-01 佛山市西伦化工有限公司 Liquid photosensitive line ink and preparation method thereof

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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
CN101654570B (en) * 2009-09-24 2011-05-04 中国海洋石油总公司 Water-based ultraviolet curing coating
EP2365036A1 (en) * 2010-03-12 2011-09-14 Cytec Surface Specialties, S.A. Radiation curable aqueous coating compositions
CN103160186A (en) * 2011-12-13 2013-06-19 江苏钜儒电子有限公司 Plastic surface aqueous photocurable coating
CN102702957B (en) * 2012-06-21 2014-04-02 南京工业大学 Water-based uv-curable composite paint for glass fiber insulating sleeve, and preparation method thereof
CN102766397A (en) * 2012-07-03 2012-11-07 江苏天辅星光学材料有限公司 Aqueous UV (Ultraviolet) coating

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