CN101585995B - Oil-based anti-graffiti adhesion resistant paint and preparation method thereof - Google Patents
Oil-based anti-graffiti adhesion resistant paint and preparation method thereof Download PDFInfo
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- CN101585995B CN101585995B CN2009100232224A CN200910023222A CN101585995B CN 101585995 B CN101585995 B CN 101585995B CN 2009100232224 A CN2009100232224 A CN 2009100232224A CN 200910023222 A CN200910023222 A CN 200910023222A CN 101585995 B CN101585995 B CN 101585995B
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Abstract
The invention discloses oil-based anti-graffiti adhesion resistant paint and a preparation method thereof, and belongs to paint and a preparation method thereof. Components A of the paint comprise hydroxy acrylic resin, fluorocarbon resin, polydimethyl siloxane resin containing hydroxyl functional group, polyacrylate modified organic silicon resin, smooth flow agent, flatting agent, antifoaming agent, drier, dibutyl tin laurate, butyl acetate and dimethyl benzene; components B comprise hexamethylene diisocyanate, butyl acetate and ethylene glycol monoethyl ether acetate; and the mixture ratio of the components A to the components B is 3:1. The invention also discloses the preparation method thereof. The paint has the advantages of good anti-graffiti adhesion resistant function, super-strong scrubbing resistance, easycleaning, and quick and convenient construction, has limited harmful substances, and achieves national requirement.
Description
Technical field
The invention belongs to coating and preparation method thereof, relate to a kind of oil-based anti-graffiti adhesion resistant paint and preparation method thereof.
Background technology
All kinds of small advertisements, illegal ad that the city is disorderly pasted, scrawled are regarded as " city psoriasis " always and become the chronic disease that each city, the whole nation is difficult to effect a radical cure, and have disturbed the economic order in city.Thereby just producing anti-doodling and anti-affixing coating, commercially available anti-doodling and anti-affixing coating at present mainly is to be film forming matter with the acrylic resin, is equipped with various auxiliary agents and processes.The UV resistant performance is relatively poor, and gasproof marquis property is also relatively poor, and water tolerance, resistance to acids and bases, solvent resistance are relatively poor, and hardness of paint film is also not ideal enough, and key is that hydrophobic oleophobic is relatively poor, and self-cleaning is poor, thereby anti-doodling and anti-affixing is relatively poor.
Summary of the invention
Purpose of the present invention just provides that a kind of and existing composition is different to have a stronger hydrophobic oleophobic, weather resisteant, and the acid and alkali-resistance salt medium is good, stronger scrub resistance, anti-doodling and anti-affixing coating that the paint film adhesion snappiness is good and preparation method thereof.
The solution that realizes the object of the invention is by weight, the A component is: Hydroxylated acrylic resin 30-42 part, fluorocarbon resin 20-33 part, polydimethylsiloxaneresins resins 14-16 part of hydroxy functional groups, polyacrylate modified silicone resin 5-8 part, smooth flow agent 1-1.5 part, flow agent 0.25-0.35 part, defoamer 0.25-0.3 part, siccative 0.2-0.25 part, dibutyl tin laurate 0.05-0.1 part, N-BUTYL ACETATE 5-7 part, dimethylbenzene 13-15; The B component is: hexamethylene diisocyanate biuret 75-80 part, N-BUTYL ACETATE 15-17 part, ethylene glycol ether acetate 10-15 part; The proportioning of A component and B component is: 1 part of 3 parts of B component of A component.
Polyacrylate modified silicone resin is the silicone resin of the polyacrylate of hydroxy functional groups.Smooth flow thinner composition is polysiloxane and copolyether.Flow agent is polysiloxane-modified silicone solution.Defoamer is organically-modified silicone solution.Siccative is the tetravalence organo-tin compound.
The method for preparing the said oil-based anti-graffiti adhesion resistant paint of claim 1, A component: Hydroxylated acrylic resin and fluorocarbon resin are added in the stirred pot, agitator stirs with 800-850 rev/min speed, the polydimethylsiloxaneresins resins that adds hydroxy functional groups then, the mixture of polyacrylate modified silicone resin and smooth flow agent, stir after at least 10 minutes, add dibutyl tin laurate again, continue to stir after at least 10 minutes, add flow agent more respectively, defoamer, siccative, N-BUTYL ACETATE, half of adding dimethylbenzene, continue to stir at least 20 minutes, part with remaining dimethylbenzene is adjusted viscosity, after the assay was approved, filter and package; The B component: the hexamethylene diisocyanate biuret is added in the stirred pot, stir with 500-600 rev/min speed, stir adding N-BUTYL ACETATE down, ethylene glycol ether acetate stirred 10 minutes then at least, after the assay was approved, filtered and packaged.
Positively effect of the present invention is the polymkeric substance that the various resins that add in the system are hydroxy functional groups, can carry out the cross-linking chemistry reaction under the normal temperature with the B component fully, and the paint film of formation is tough and tensile, plentiful, hardness is high, self-cleaning is good, and scrub resistance is very good.
Select the high-weather resistance fluorocarbon resin and the acrylic resin assembly of hydroxy functional groups to be used as film forming matter in the system, improve its every physical and mechanical properties, as weathering resistance, hardness, snappiness, sticking power, fullness ratio, self-cleaning, anti-solvent and acid and alkali-resistance brine corrosion etc.
Good polydimethylsiloxaneresins resins of hydrophobic oleophobic and hydrophobic nature and polyacrylate modified silicone resin have been added in the system, help film forming matter, so the paint film hydrophobic oleophobic, hydrophobic nature, anti-solvent, the acid and alkali-resistance salt medium that form are more outstanding, formed the condition of anti-doodling and anti-affixing, oiliness, free ink pen are difficult in coating surface and retain, and are exactly to retain on a small quantity, be easy to be eliminated, various non-setting adhesives, glue is difficult to paste on the surface, and this is the key point of anti-doodling and anti-affixing.
Added defoamer, flow agent in the system, urged dried stablizer etc., the production that has improved coating stores the every performance of construction, and the coating system extended storage stability is fine.
Owing to selected the interpolation of above resin material and collocation to use, the paint film hydrophobic oleophobic of formation, hydrophobic nature are very good, have guaranteed the performance of anti-doodling and anti-affixing, have selected high weather-proof resin to piece together usefulness, have solved every indexs such as weathering resistance and hardness.
In sum, above reasonable ratio has solved the problem of anti-doodling and anti-affixing.Following advantage is arranged: 1, have very excellent hydrophobicity and oleophobic property, have good anti-doodling and anti-affixing function.2, superpower hydrophobic nature effectively prevents the moisture content infiltration, makes paint film keep dry and comfortable constantly, reduces mould and grows, and improves the work-ing life of paint film.3, the scrub resistance of extra-heavy is easy to clean, quick construction, convenience.4, coating surface is smooth, smooth, and fullness ratio is good, and lovely luster can be made into Gao Guang, mute light, unglazed.5, superpower weather resisteant.6, paint film flexibility is good, reaches 1mm, and strong adhesion reaches one-level, and the hardness height reaches 2H-4H.7, acid and alkali-resistance salt medium, solvent resistance is good, gasoline, alcohol, acetone clean 100 times not show-through.8, adhibit quality is good repeatedly, no glue residue more than 50 times.9, anti-graffiti property is good, and the paint film not damaged all can be cleaned with special-purpose scrubbing agent in oil pen, ink, the scribble back of spraying paint.10, limits of harmful substances reaches the GB requirement.
Embodiment
Below by a plurality of embodiment, to coating of the present invention and preparation method thereof, with and the effect of anti-doodling and anti-affixing be described in further detail.Each component in the prescription by weight.
Embodiment 1:A component is: 30 parts of Hydroxylated acrylic resins, 30 parts of fluorocarbon resins, 14 parts of the polydimethylsiloxaneresins resins of hydroxy functional groups, 5 parts of polyacrylate modified silicone resins, 1 part of smooth flow agent, 0.25 part of flow agent, 0.25 part of defoamer, 0.2 part of siccative, 0.05 part of dibutyl tin laurate, 5 parts of N-BUTYL ACETATEs, dimethylbenzene 13; The B component is: 70 parts of hexamethylene diisocyanate biurets, 15 parts of N-BUTYL ACETATEs, 15 parts of ethylene glycol ether acetates; The proportioning of A component and B component is: 1 part of 3 parts of B component of A component.
The method for preparing oil-based anti-graffiti adhesion resistant paint of the present invention, be the A component: Hydroxylated acrylic resin and fluorocarbon resin are added in the stirred pot, agitator stirs with 800 rev/mins speed, the polydimethylsiloxaneresins resins that adds hydroxy functional groups then, the mixture of polyacrylate modified silicone resin and smooth flow agent, stir after at least 10 minutes, add dibutyl tin laurate again, continue to stir after at least 10 minutes, add flow agent more respectively, defoamer, siccative, N-BUTYL ACETATE, half of adding dimethylbenzene continues to stir at least 20 minutes, adjusts viscosity with the part of remaining dimethylbenzene, after the assay was approved, filter and package; The B component: the hexamethylene diisocyanate biuret is added in the stirred pot, and agitator stirs with 500 rev/mins speed, stirs down to add N-BUTYL ACETATE, and ethylene glycol ether acetate stirred 10 minutes then at least, after the assay was approved, filtered and packaged.
After A component and B component coating prepared successfully, the mixed with 1 part of 3 parts of B component of A component stirred, placed at least 10 minutes, and finished slaking reaction, will test its every technical feature in use, during test, test coating is applied to coating on the various base materials of regulation at condition in container more earlier, the test application property when after forming cured paint film on the base material, carries out according to the requirement of technical performance index, test performance comprises: dryness, water tolerance, resistance to salt water, acid resistance, alkali resistance, petrol-resistance, anti-solvent wiping, sticking power, anti-adhibit quality, artificial ageing resistance, high temperature resistance adherence force, anti-graffiti property, limits of harmful substances etc., concrete measuring technology performance index are as shown in table 1, and test result is good, meets technical performance index.
Oil-based anti-graffiti adhesion resistant paint technical performance index (table 1)
Embodiment 2: press embodiment listed in the table 22 specified components, repeat preparation method's (but agitator speed is 850 rev/mins) of embodiment 1A component; Repeat preparation method's (but agitator speed is 600 rev/mins) of embodiment 1B component, obtain coating, proportioning and method according to embodiment 1 described A component and B component, and as the described method test of embodiment 1 as embodiment 1 described technical feature, technical performance index is as shown in table 1, test result is good, meets technical performance index.
Embodiment 3: press embodiment listed in the table 23 specified components, repeat preparation method's (but agitator speed is 830 rev/mins) of embodiment 1A component; Repeat preparation method's (but agitator speed is 550 rev/mins) of embodiment 1B component, obtain coating, proportioning and method according to embodiment 1 described A component and B component, and as the described method test of embodiment 1 as embodiment 1 described technical feature, technical performance index is as shown in table 1, test result is good, meets technical performance index.
Embodiment 4: press embodiment listed in the table 24 specified components, repeat preparation method's (but agitator speed is 820 rev/mins) of embodiment 1A component; Repeat preparation method's (but agitator speed is 570 rev/mins) of embodiment 1B component, obtain coating, proportioning and method according to embodiment 1 described A component and B component, and as the described method test of embodiment 1 as embodiment 1 described technical feature, technical performance index is as shown in table 1, test result is good, meets technical performance index.
Embodiment 5: press embodiment listed in the table 25 specified components, repeat preparation method's (but agitator speed is 830 rev/mins) of embodiment 1A component; Repeat preparation method's (but agitator speed is 520 rev/mins) of embodiment 1B component, obtain coating, proportioning and method according to embodiment 1 described A component and B component, and as the described method test of embodiment 1 as embodiment 1 described technical feature, technical performance index is as shown in table 1, test result is good, meets technical performance index.
Embodiment 6: press embodiment listed in the table 36 specified components, repeat preparation method's (but agitator speed is 810 rev/mins) of embodiment 1A component; Repeat preparation method's (but agitator speed is 580 rev/mins) of embodiment 1B component, obtain coating, proportioning and method according to embodiment 1 described A component and B component, and as the described method test of embodiment 1 as embodiment 1 described technical feature, technical performance index is as shown in table 1, test result is good, meets technical performance index.
Embodiment 7: press embodiment listed in the table 37 specified components, repeat preparation method's (but agitator speed is 840 rev/mins) of embodiment 1A component; Repeat preparation method's (but agitator speed is 540 rev/mins) of embodiment 1B component, obtain coating, proportioning and method according to embodiment 1 described A component and B component, and as the described method test of embodiment 1 as embodiment 1 described technical feature, technical performance index is as shown in table 1, test result is good, meets technical performance index.
Embodiment 8: press embodiment listed in the table 38 specified components, repeat preparation method's (but agitator speed is 850 rev/mins) of embodiment 1A component; Repeat preparation method's (but agitator speed is 590 rev/mins) of embodiment 1B component, obtain coating, proportioning and method according to embodiment 1 described A component and B component, and as the described method test of embodiment 1 as embodiment 1 described technical feature, technical performance index is as shown in table 1, test result is good, meets technical performance index.
Embodiment 9: press embodiment listed in the table 39 specified components, repeat preparation method's (but agitator speed is 800 rev/mins) of embodiment 1A component; Repeat preparation method's (but agitator speed is 510 rev/mins) of embodiment 1B component, obtain coating, proportioning and method according to embodiment 1 described A component and B component, and as the described method test of embodiment 1 as embodiment 1 described technical feature, technical performance index is as shown in table 1, test result is good, meets technical performance index.
Embodiment 10: press embodiment listed in the table 3 10 specified components, repeat preparation method's (but agitator speed is 840 rev/mins) of embodiment 1A component; Repeat preparation method's (but agitator speed is 530 rev/mins) of embodiment 1B component, obtain coating, proportioning and method according to embodiment 1 described A component and B component, and as the described method test of embodiment 1 as embodiment 1 described technical feature, technical performance index is as shown in table 1, test result is good, meets technical performance index.
The component prescription (table 2) of preparation oil-based anti-graffiti adhesion resistant paint embodiment
The component prescription (table 3) of preparation oil-based anti-graffiti adhesion resistant paint embodiment
Claims (7)
1. an oil-based anti-graffiti adhesion resistant paint is characterized in that by weight, and the A component is: Hydroxylated acrylic resin 30-42 part, fluorocarbon resin 20-33 part, polydimethylsiloxaneresins resins 14-16 part of hydroxy functional groups, polyacrylate modified silicone resin 5-8 part, smooth flow agent 1-1.5 part, flow agent 0.25-0.35 part, defoamer 0.25-0.3 part, siccative 0.2-0.25 part, dibutyl tin laurate 0.05-0.1 part, N-BUTYL ACETATE 5-7 part, dimethylbenzene 13-15; The B component is: hexamethylene diisocyanate biuret 75-80 part, N-BUTYL ACETATE 15-17 part, ethylene glycol ether acetate 10-15 part; The proportioning of A component and B component is: 1 part of 3 parts of B component of A component.
2. according to the said oil-based anti-graffiti adhesion resistant paint of claim 1, it is characterized in that said polyacrylate modified silicone resin is the silicone resin of the polyacrylic ester of hydroxy functional groups.
3. according to the said oil-based anti-graffiti adhesion resistant paint of claim 1, it is characterized in that said smooth flow thinner composition is polysiloxane and copolyether.
4. according to the said oil-based anti-graffiti adhesion resistant paint of claim 1, it is characterized in that said flow agent is polysiloxane-modified silicone solution.
5. according to the said oil-based anti-graffiti adhesion resistant paint of claim 1, it is characterized in that said defoamer is organically-modified silicone solution.
6. according to the said oil-based anti-graffiti adhesion resistant paint of claim 1, it is characterized in that said siccative is the tetravalence organo-tin compound.
7. the method for preparing the said oil-based anti-graffiti adhesion resistant paint of claim 1, it is characterized in that the A component: Hydroxylated acrylic resin and fluorocarbon resin are added in the stirred pot, mixing canister stirs with 800-850 rev/min speed, the polydimethylsiloxaneresins resins that adds hydroxy functional groups then, the mixture of polyacrylate modified silicone resin and smooth flow agent, stir after at least 10 minutes, add dibutyl tin laurate again, continue to stir after at least 10 minutes, add flow agent more respectively, defoamer, siccative, N-BUTYL ACETATE, half of adding dimethylbenzene, continue to stir at least 20 minutes, part with remaining dimethylbenzene is adjusted viscosity, after the assay was approved, filter and package; The B component: the hexamethylene diisocyanate biuret is added in the stirred pot, stir with 500-600 rev/min speed, stir adding N-BUTYL ACETATE down, ethylene glycol ether acetate stirred 10 minutes then at least, after the assay was approved, filtered and packaged.
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| CN101845257B (en) * | 2010-05-28 | 2012-07-04 | 彭文表 | Graffiti-resistant paint and use method thereof |
| CN102146259A (en) * | 2011-04-13 | 2011-08-10 | 广东三和化工科技有限公司 | Anti-graffito wear-resistance polyurethane finish |
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| JP7052774B2 (en) * | 2018-06-27 | 2022-04-12 | 荒川化学工業株式会社 | Thermosetting coatings, cured products and films |
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| WO2023187113A1 (en) | 2022-04-01 | 2023-10-05 | Covestro Deutschland Ag | A two-component coating composition |
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Denomination of invention: Oil-based anti-graffiti adhesion resistant paint and preparation method thereof Effective date of registration: 20140414 Granted publication date: 20110504 Pledgee: Pudong Shanghai Development Bank Limited by Share Ltd Lanzhou branch Pledgor: Lanzhou Xunmei Paint Industry Technology Co., Ltd. Registration number: 2014990000260 |
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