CN102676034A - Anti-doodling coating for outdoor facility and preparation method of anti-doodling coating - Google Patents
Anti-doodling coating for outdoor facility and preparation method of anti-doodling coating Download PDFInfo
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- CN102676034A CN102676034A CN2012101212588A CN201210121258A CN102676034A CN 102676034 A CN102676034 A CN 102676034A CN 2012101212588 A CN2012101212588 A CN 2012101212588A CN 201210121258 A CN201210121258 A CN 201210121258A CN 102676034 A CN102676034 A CN 102676034A
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Abstract
The invention relates to an industrial coating, in particular to an anti-doodling coating for an outdoor facility and a preparation method of the anti-doodling coating. The anti-doodling coating mainly aims at solving the technical problems that a doodling coating in the prior art contains a bonding agent, has higher attaching power on a general surface, and is relatively difficult to remove by using a physical or chemical method after setting in case of vicious doodling, and the surface is prone to being damaged. The anti-doodling coating disclosed by the invention is an oxidative dry type single-component waterborne coating, and comprises the following components by part by mass: 30-65 parts of fluorinated polyacrylate-modified soybean oil polyurethane resin, 1-10 parts of additive, 15-30 parts of pigment and filler and 10-25 parts of water.
Description
Technical field
The present invention relates to a kind of industrial coating, especially relate to a kind of anti-graffiti coating that is applicable to outdoor facilities and preparation method thereof.
Background technology
In recent years, scribble is known by people as a kind of roadside culture gradually.Yet also becoming, the scribble of malice influences the clean and tidy big root of urban civilization.Graffiti coating generally is made up of water-based, oil-based ink or dyestuff; Wherein often contain tackiness agent, its sticking power is higher on general surface, so the method for physics or chemistry that after the set of malice scribble, re-uses is removed; Often relatively more difficult, and might injured surface.It obviously is a kind of more effective, easy method that the surface is applied anti-doodling paint in advance, and can also have the effect of certain protection against corrosion and protection concurrently.Anti-graffiti coating belongs to a kind of insulation blocking coating.The salient features difference of anti-graffiti coating and other coating is through the surface adhesion force of its application low, is difficult to contaminated thing and adheres to.
Summary of the invention
The present invention provides a kind of anti-graffiti coating that is applicable to outdoor facilities and preparation method thereof; It mainly is to solve the existing in prior technology graffiti coating to contain tackiness agent; Its sticking power is higher on general surface; The method that after the set of malice scribble, re-uses physics or chemistry is removed, the technical problem of relatively difficulty, and possible injured surface etc.
Above-mentioned technical problem of the present invention mainly is able to solve through following technical proposals:
A kind of anti-graffiti coating that is applicable to outdoor facilities of the present invention; It is characterized in that described coating is the single-component water-based coating of a kind of oxidation drying type; Its component and mass fraction are: fluorinated acrylate modified soybean oil urethane resin 30-65 part; Auxiliary agent 1-10 part, pigment and filler 15-30 part, water 10-25 part.The present invention uses VT 18 as the feedstock production polyvalent alcohol.VT 18 has the unsaturated fatty acids chain as a kind of plant siccative oil in its molecular chain, the ability autoxidation is crosslinked in air.The coating products that forms with unsaturated fatty acids preparation or modification has many advantages, like extensive applicability, and excellent adhesion property, fast doing, good early stage water tolerance, gloss is high.This type of oxidation drying coating often is applied to priming paint, the finish paint of industrial machinery, parts, like heat exchanger, cast iron equipment, bearing etc.So, select for use VT 18 to prepare polyurethane coating, can improve the rate of drying of product and become film toughness, reduce owing to introducing the negative effect that aqueous monomers is brought.
As preferably, the component and the mass fraction of described fluorinated acrylate modified soybean oil urethane resin are: 29.8 parts of fluorinated acrylate mix monomer 9.4-, VT 18 polyurethane dispersing liquid 70-90 part, initiator 0.2-0.6 part.
As preferably, described fluorinated acrylate mix monomer is a methylacrylic acid-2,2, one or more mixtures in 2-trifluoro ethyl ester, methylacrylic acid hexafluoro butyl ester and the methylacrylic acid ten difluoro butyl esters.In order further to strengthen mechanical property of filming and the anti-scribble performance of filming; The present invention has adopted methylacrylic acid-2; 2, one or more in 2-trifluoro ethyl ester, methylacrylic acid hexafluoro butyl ester and the methylacrylic acid ten difluoro butyl esters mix to come modified soybean oil polyurethane coating.This mixes fluorinated acrylate can pass through the initiator polymerization, owing to contain fluorine-containing side chain in its molecular structure, can be used for improving the anti-scribble of coating performance and reduce the surface tension of filming.
As preferably, described pigment and filler are one or more mixtures in white titanium pigment, zinc sulfide white and the aluminium powder.
As preferably, described auxiliary agent is one or more mixtures in dispersion agent, siccative, matting agent, the anti-wear agent.
A kind of preparation method who is applicable to the anti-graffiti coating of outdoor facilities; It is characterized in that described method is: with fluorinated acrylate mix monomer, VT 18 polyurethane dispersing liquid, initiator by weight adding in the reactor drum; Stir heating, fully reaction under the nitrogen protection condition; With pigment and filler, auxiliary agent, capacity moisture uniform mixing, after skin grinder or high speed dispersor disperseed, discharging promptly got said product.
As preferably, the preparation of described VT 18 polyurethane dispersing liquid: by weight joining in the reactor drum, keeping system temperature is 40-55 ℃ of fully reaction with VT 18, ydrogen peroxide 50 and formic acid, obtains liquid A after removing moisture; Liquid A and the Virahol, methyl alcohol and the fluoroboric acid that measured are joined in the reactor drum, and keeping system temperature is 50-60 ℃ of fully reaction, removes moisture and obtains liquid B; With liquid B and isophorone diisocyanate, 2; The 2-dimethylol propionic acid joins in the reactor drum; Under nitrogen protection and churned mechanically condition, 78-82 ℃ of down fully reaction, the back adds triethylamine and zero(ppm) water and after the high speed dispersion agent disperses; Discharging promptly obtains said VT 18 polyurethane dispersing liquid.
As preferably, described fluorinated acrylate mix monomer, VT 18 polyurethane dispersing liquid, initiator are heated to 70-90 ℃ by weight adding in the reactor drum, the reaction times is 3-5 hour.
As preferably, described with VT 18, ydrogen peroxide 50 and formic acid by weight the reaction times that joins in the reactor drum be 23-25 hour; Is 1-3 hour with liquid A with the reaction times that the Virahol, methyl alcohol and the fluoroboric acid that measured join in the reactor drum; With liquid B and isophorone diisocyanate, 2, the reaction times that the 2-dimethylol propionic acid joins in the reactor drum is 1-3 hour.
Therefore, the present invention uses VT 18 as the feedstock production polyvalent alcohol, has extensive applicability; Excellent adhesion property, fast dried, good early stage water tolerance; Characteristics such as gloss height can improve the rate of drying of product and become film toughness, reduce owing to introducing the negative effect that aqueous monomers is brought.
Embodiment
Through embodiment, do further bright specifically below to technical scheme of the present invention.
Embodiment 1: a kind of anti-graffiti coating that is applicable to outdoor facilities of this example, and its component and mass fraction are: 42 parts of VT 18 polyurethane dispersing liquids (solid content 30%), methylacrylic acid-2; 2,23.8 parts of 2-trifluoro ethyl esters, 28 parts of pigment and fillers; 6 parts of auxiliary agents, 0.2 part of initiator.
Its preparation method is:
A. with VT 18, ydrogen peroxide 50 and formic acid by weight joining in the reactor drum, keeping system temperature is 40 ℃ of reactions 24 hours, obtains liquid A after removing moisture; Liquid A and the Virahol, methyl alcohol and the fluoroboric acid that measured are joined in the reactor drum, and keeping system temperature is 50 ℃ of reactions 2 hours, removes moisture and obtains liquid B; With liquid B and isophorone diisocyanate, 2; The 2-dimethylol propionic acid joins in the reactor drum; Under nitrogen protection and churned mechanically condition, 78 ℃ of down reactions 2 hours, the back adds triethylamine and zero(ppm) water and after the high speed dispersion agent disperses; Discharging promptly obtains said VT 18 polyurethane dispersing liquid;
B. with fluorinated acrylate mix monomer, VT 18 polyurethane dispersing liquid, initiator by weight adding in the reactor drum, stir, be heated to 80 ℃, reaction is 4 hours under the nitrogen protection condition; With pigment and filler, auxiliary agent, capacity moisture uniform mixing, after skin grinder or high speed dispersor disperseed, discharging promptly got the anti-graffiti coating that is applicable to outdoor facilities.
Embodiment 2: a kind of anti-graffiti coating that is applicable to outdoor facilities of this example; Its component and mass fraction are: 45 parts of VT 18 polyurethane dispersing liquids (solid content 30%); 12 parts of methylacrylic acid hexafluoro butyl esters, 13.8 parts of methylacrylic acid ten difluoro butyl esters, 22 parts of pigment and fillers; 7 parts of auxiliary agents, 0.2 part of initiator.
Its preparation method is:
A. with VT 18, ydrogen peroxide 50 and formic acid by weight joining in the reactor drum, keeping system temperature is 50 ℃ of reactions 23 hours, obtains liquid A after removing moisture; Liquid A and the Virahol, methyl alcohol and the fluoroboric acid that measured are joined in the reactor drum, and keeping system temperature is 55 ℃ of reactions 2 hours, removes moisture and obtains liquid B; With liquid B and isophorone diisocyanate, 2; The 2-dimethylol propionic acid joins in the reactor drum; Under nitrogen protection and churned mechanically condition, 78 ℃ of down reactions 2 hours, the back adds triethylamine and zero(ppm) water and after the high speed dispersion agent disperses; Discharging promptly obtains said VT 18 polyurethane dispersing liquid;
B. with methylacrylic acid hexafluoro butyl ester, methylacrylic acid ten difluoro butyl esters, VT 18 polyurethane dispersing liquid, initiator by weight adding in the reactor drum, stir, be heated to 70 ℃, reaction is 5 hours under the nitrogen protection condition; With pigment and filler, auxiliary agent, capacity moisture uniform mixing, after skin grinder or high speed dispersor disperseed, discharging promptly got the anti-graffiti coating that is applicable to outdoor facilities.
Above-mentioned example formulations paint spay-coating on the tinplate tin sheet, behind the film-forming, is carried out the test of following technical feature to formed paint film: opacifying power, hardness of paint film, water tolerance, resistance to acids and bases, anti-solvent scouring property, anti-scribble property.
The above is merely specific embodiment of the present invention, but constitutional features of the present invention is not limited thereto, and any those skilled in the art is in the field of the invention, and the variation of being done or modify all is encompassed among the claim of the present invention.
Claims (9)
1. anti-graffiti coating that is applicable to outdoor facilities; It is characterized in that described coating is the single-component water-based coating of a kind of oxidation drying type; Its component and mass fraction are: fluorinated acrylate modified soybean oil urethane resin 30-65 part; Auxiliary agent 1-10 part, pigment and filler 15-30 part, water 10-25 part.
2. a kind of anti-graffiti coating that is applicable to outdoor facilities according to claim 1; The component and the mass fraction that it is characterized in that described fluorinated acrylate modified soybean oil urethane resin are: fluorinated acrylate mix monomer 9.4-29.8 part, VT 18 polyurethane dispersing liquid 70-90 part, initiator 0.2-0.6 part.
3. a kind of anti-graffiti coating that is applicable to outdoor facilities according to claim 2; It is characterized in that described fluorinated acrylate mix monomer is a methylacrylic acid-2; 2, one or more mixtures in 2-trifluoro ethyl ester, methylacrylic acid hexafluoro butyl ester and the methylacrylic acid ten difluoro butyl esters.
4. a kind of anti-graffiti coating that is applicable to outdoor facilities according to claim 1 is characterized in that described pigment and filler are one or more mixtures in white titanium pigment, zinc sulfide white and the aluminium powder.
5. a kind of anti-graffiti coating that is applicable to outdoor facilities according to claim 1 is characterized in that described auxiliary agent is one or more mixtures in dispersion agent, siccative, matting agent, the anti-wear agent.
6. preparation method who is applicable to the anti-graffiti coating of outdoor facilities; It is characterized in that described method is: with fluorinated acrylate mix monomer, VT 18 polyurethane dispersing liquid, initiator by weight adding in the reactor drum; Stir heating, fully reaction under the nitrogen protection condition; With pigment and filler, auxiliary agent, capacity moisture uniform mixing, after skin grinder or high speed dispersor disperseed, discharging promptly got said product.
7. a kind of preparation method who is applicable to the anti-graffiti coating of outdoor facilities according to claim 6; It is characterized in that the preparation of described VT 18 polyurethane dispersing liquid: with VT 18, ydrogen peroxide 50 and formic acid by weight joining in the reactor drum; Keeping system temperature is 40-55 ℃ (scope) fully reaction, obtains liquid A behind the removal moisture; Liquid A and the Virahol, methyl alcohol and the fluoroboric acid that measured are joined in the reactor drum, and keeping system temperature is 50-60 ℃ (scope) fully reaction, removes moisture and obtains liquid B; With liquid B and isophorone diisocyanate, 2; The 2-dimethylol propionic acid joins in the reactor drum; Under nitrogen protection and churned mechanically condition, in 78-82 ℃ (scope) down fully reaction, the back adds triethylamine and zero(ppm) water and after the high speed dispersion agent disperses; Discharging promptly obtains said VT 18 polyurethane dispersing liquid.
8. a kind of preparation method who is applicable to the anti-graffiti coating of outdoor facilities according to claim 6; It is characterized in that described fluorinated acrylate mix monomer, VT 18 polyurethane dispersing liquid, initiator being heated to 70-90 ℃ by weight adding in the reactor drum, the reaction times is 3-5 hour.
9. a kind of preparation method who is applicable to the anti-graffiti coating of outdoor facilities according to claim 7, it is characterized in that described with VT 18, ydrogen peroxide 50 and formic acid by weight the reaction times that joins in the reactor drum be 23-25 hour; Is 1-3 hour with liquid A with the reaction times that the Virahol, methyl alcohol and the fluoroboric acid that measured join in the reactor drum; With liquid B and isophorone diisocyanate, 2, the reaction times that the 2-dimethylol propionic acid joins in the reactor drum is 1-3 hour.
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| CN104141231A (en) * | 2014-08-02 | 2014-11-12 | 甄曰菊 | Fabric coating slurry and preparing method thereof |
| CN104277699A (en) * | 2014-10-29 | 2015-01-14 | 芜湖县双宝建材有限公司 | High-strength modified waterborne polyurethane coating |
| CN105482604A (en) * | 2015-12-26 | 2016-04-13 | 杭州吉华高分子材料股份有限公司 | Water-based anti-doodling paint and preparation method thereof |
| CN106833333A (en) * | 2017-02-13 | 2017-06-13 | 江苏丰彩新型建材有限公司 | A kind of aqueous anti-doodling paint and preparation method thereof |
| CN107163728A (en) * | 2017-06-16 | 2017-09-15 | 安徽康瑞高科新材料技术工程有限公司 | A kind of ultrafast dry anti-graffiti coating |
| CN114163605A (en) * | 2021-12-03 | 2022-03-11 | 万华化学集团股份有限公司 | Vegetable oil-based fluorinated hydroxy resin and preparation method and application thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104141231B (en) * | 2014-08-02 | 2016-08-24 | 甄曰菊 | A kind of fabric coating slurry and preparation method thereof |
| CN104277699A (en) * | 2014-10-29 | 2015-01-14 | 芜湖县双宝建材有限公司 | High-strength modified waterborne polyurethane coating |
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| CN106833333A (en) * | 2017-02-13 | 2017-06-13 | 江苏丰彩新型建材有限公司 | A kind of aqueous anti-doodling paint and preparation method thereof |
| CN106833333B (en) * | 2017-02-13 | 2019-10-25 | 江苏丰彩新型建材有限公司 | A kind of aqueous anti-doodling paint and preparation method thereof |
| CN107163728A (en) * | 2017-06-16 | 2017-09-15 | 安徽康瑞高科新材料技术工程有限公司 | A kind of ultrafast dry anti-graffiti coating |
| CN114163605A (en) * | 2021-12-03 | 2022-03-11 | 万华化学集团股份有限公司 | Vegetable oil-based fluorinated hydroxy resin and preparation method and application thereof |
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| CN102676034B (en) | 2015-08-19 |
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