CN101280139B - High-weather resistance fluorocarbon paint and construction method thereof - Google Patents
High-weather resistance fluorocarbon paint and construction method thereof Download PDFInfo
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- CN101280139B CN101280139B CN2008100614525A CN200810061452A CN101280139B CN 101280139 B CN101280139 B CN 101280139B CN 2008100614525 A CN2008100614525 A CN 2008100614525A CN 200810061452 A CN200810061452 A CN 200810061452A CN 101280139 B CN101280139 B CN 101280139B
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Abstract
The invention relates to high weatherability F-C paint and the construction method of the F-C paint. The high weatherability F-C paint is composed of coating main agent first component and curing agent second component; the coating main agent contains resin, pigment filler, auxiliary agent and solvent; wherein, the resin adopts the combination of chlorotrifluoroethylene fluorocarbon resin and tetrafluoroethylene fluorocarbon resin; the weight ratio of chlorotrifluoroethylene fluorocarbon resin and tetrafluoroethylene fluorocarbon resin is 1-3: 1; the dosage of resin accounts for 50-80 % of the weight of the coating main agent; the construction method includes that the first and the second components are mixed and then the mixture is diluted by diluent agent to certain viscosity; the coating method is adopted for the construction; the high weatherability F-C paint and the construction method of the F-C paint combine the fluorocarbon resin which adopts chlorotrifluoroethylene as the raw material with the fluorocarbon resin which adopts tetrafluoroethylene as the raw material, and has the advantages of better weatherability, better chemical medicine resistance and better anticorrosion property, better comprehensive performance, solving the blurring phenomenon of loose color of the colored paint preferably.
Description
(1) technical field
The present invention relates to a kind of fluorine carbon lacquer and constructional method thereof.
(2) background technology
Fluorocarbon coating in the numerous paint kind, shows " king " person demeanour with its remarkable performance.High durable fluoropolymer coating has proved that the member that can make its application keeps reaching attractive in appearance for a long time more than 20 years.Fluorocarbon coating has very superior performance aspect corrosion-resistant, protection against corrosion aspect out of doors, can be used for the applications such as prilling tower, combustion gas cabinet system, acid/alkali storage tank system, oil tank and pipeline system of trestle, bulk warehouse and steel construction, the building structure of soda acid factory, urea and ammonium nitrate system, the anticorrosion time limit can reach 8～12 years.
China is fluorine raw material resources big countries, basic raw material Calcium Fluoride (Fluorspan) and hydrogen fluoride output rank No. 1 in the world.Therefore, China's development fluorine material and fluorocarbon coating have advantageous advantage.Simultaneously, along with people further understand its performance, range of application is also more and more wider.
Existing fluorine carbon lacquer weathering resistance, chemical-resistant resistance, Corrosion Protection require harsh occasion still not reach requirement at some.Simultaneously, if the loose colour grow diming phenomenon of colored paint takes place improper with auxiliary agent, solvent compatibility in fluorocarbon resin easily in construction.
(3) summary of the invention
Technical problem to be solved by this invention is to provide a kind of good weatherability, Corrosion Protection good, the high-weather resistance fluorocarbon paint that construction effect is good.
Technical problem to be solved by this invention also is to provide a kind of constructional method of above-mentioned high-weather resistance fluorocarbon paint.
Described high-weather resistance fluorocarbon paint, form by coating host first component and solidifying agent second component, described coating host is by resin, color stuffing, auxiliary agent and solvent composition, described resin adopts the combination of trifluorochloroethylene fluorocarbon resin and tetrafluoroethylene fluorocarbon resin, the weight ratio of trifluorochloroethylene fluorocarbon resin and tetrafluoroethylene fluorocarbon resin is 1～3: 1, and resin demand accounts for 50～80% of coating host weight.
Above-mentioned trifluorochloroethylene fluorocarbon resin is fluorocarbon resin known in those skilled in the art with trifluorochloroethylene and the preparation of other monomer copolymerizations, tetrafluoroethylene fluorocarbon resin with tetrafluoroethylene and the preparation of other monomer copolymerizations.
Preferably, the weight ratio of described trifluorochloroethylene fluorocarbon resin and tetrafluoroethylene fluorocarbon resin is 2: 1.
Preferably, described resin demand accounts for 60～70% of coating host weight.
Color stuffing not only plays decorative effect, the more important thing is that the adding of pigment can improve the physical and chemical performance of colored paint lacquer liquid and paint film, as improving sticking power, increases paint film intensity, stops UV-light to penetrate, the flowability of adjustment lacquer liquid and coating film gloss etc.Therefore selecting for use of pigment also is a major issue of formulating of recipe.Preferably, by content in coating host, described color stuffing comprises the component of following weight percentage ratio:
Titanium dioxide 10～18%;
Carbon black 0.5～2%;
Middle bloom 0.5～2%;
Phthalein blue powder 0.01～0.5%.
Preferably, by content in coating host, described auxiliary agent comprises the component of following weight percentage ratio:
EFKA-4010 0.8～1.2％；
EFKA-4060 1.0～2.0％；
1％DBTDL 1.0～1.5％；
BYK-306 0.1～0.5％；
EFKA-3777 0.2～0.8％。
The combination of above-mentioned auxiliary agent can solve consistency and the paint film problem of growing dim well.
Above-mentioned auxiliary agent is conventionally known to one of skill in the art, and EFKA-4010 is a dispersion agent, and EFKA-4060 is a dispersion agent, and DBTDL (dibutyl tin laurate) is a catalyzer, and BYK-306 is a flow agent, and EFKA-3777 is a flow agent.
Preferably, by content in coating host, described solvent comprises the component of following weight percentage ratio:
N-BUTYL ACETATE 10～15%;
Ethylene glycol ether acetate 5～10%.
Preferably, by weight, described solidifying agent second component is made up of 60～70% solidifying agent and 30～40% N-BUTYL ACETATE; Described solidifying agent is the HDI tripolymer.
Preferably, described coating host is made up of the component of following weight percentage ratio:
Resin 60～69.99%;
Titanium dioxide 10～18%;
Carbon black 0.5～2%;
Middle bloom 0.5～2%;
Phthalein blue powder 0.01～0.5%;
EFKA-4010 1.0％；
EFKA-4060 1.0～2.0％；
1％DBTDL 1.3％；
BYK-306 0.2％；
EFKA～3777 0.5％；
N-BUTYL ACETATE 10～15%;
Ethylene glycol ether acetate 5～10%.
The constructional method of high-weather resistance fluorocarbon paint of the present invention comprises: earlier first, second component is mixed, be diluted to appropriate viscosity with thinner again, adopt the spraying method construction; Described first component: second component: the weight ratio of thinner is 8～12: 1: 2～4.
Preferably, described thinner is made up of N-BUTYL ACETATE, dimethylbenzene and ethylene glycol ether acetate, and the weight ratio of N-BUTYL ACETATE, dimethylbenzene and ethylene glycol ether acetate is 15～30: 50: 20～35; Described first component: second component: the weight ratio of thinner is 10: 1: 2～4.
Beneficial effect of the present invention is:
(1) is trifluorochloroethylene the fluorocarbon resin of raw material and is that the fluorocarbon resin of raw material is in addition compound with the tetrafluoroethylene, make on the one hand in the coating dry film fluorine content bring up to 24% (in the common fluorine carbon lacquer is about 19%), therefore weathering resistance, chemical-resistant resistance, Corrosion Protection show better, taken into account again on the other hand with the consistency of various organic solvents, solidifying agent and with the wettability and the dispersiveness of pigment, so over-all properties is excellent more.
(2) selecting for use on the basis of suitable auxiliary agents, by with the synergy of auxiliary agent and multiple thinner, eliminated the influence of colored paint Bei Nade whirlpool in construction, solved the loose colour grow diming phenomenon of colored paint preferably.
(4) embodiment
Below by embodiment the present invention is made preferably specific description, but protection scope of the present invention is not limited to this.
The preparation and the construction of embodiment 1 high-weather resistance fluorocarbon paint
1 formulating of recipe
1.1 first component (weight percentage):
Fluorocarbon resin 62%;
Titanium dioxide 11%;
Carbon black 1.0%;
Middle bloom 1.0%;
Phthalein blue powder 0.5%;
EFKA 4010 1.0％；
EFKA-4060 1.5％；
1％DBTDL 1.3％；
BYK-306 0.2％；
EFKA-3777 0.5％；
N-BUTYL ACETATE 12%;
Ethylene glycol ether acetate 8%.
1.2 component (weight percentage)
Solidifying agent 65%;
N-BUTYL ACETATE 35%.
1.3 thinner (weight percentage)
N-BUTYL ACETATE 20%;
Dimethylbenzene 50%;
Ethylene glycol ether acetate 30%.
The preparation of 2 mill bases
EFKA-4010 that latting drown is good and EFKA-4070 drop in the part fluorocarbon resin and stir evenly, and add titanium dioxide, and fully dispersed with stirring is to there not being block; Grind dispersion, be dispersed into the following stock white of 15 μ m, survey solid part, standby.Use the same method and make black wash, middle yellow slurry and the blue slurry of phthalein.
3 paints
In the paint cylinder, add various mill bases and remaining fluorocarbon resin, auxiliary agents such as EFKA-3777, BYK-306 successively, add N-BUTYL ACETATE, CAC (ethylene glycol ether acetate) solvent, be adjusted to corresponding solid part by the batching order.
4 coating applications
Coating application adopts the spraying method construction, before the construction first, second component is mixed, and is diluted to appropriate viscosity with thinner, and parameter is as follows:
Dilution ratio: first component: second component: thinner=10: 1: 3
Working viscosity (23 ± 2 ℃ are coated with-4 glasss), 18～20s
Spray pressure 0.2～0.4Mpa
The preparation and the construction of embodiment 2 high-weather resistance fluorocarbon paints
The prescription that changes coating host first component is as follows:
First component (weight percentage):
Fluorocarbon resin 65.8%;
Titanium dioxide 10%;
Carbon black 1.0%;
Middle bloom 1.0%;
Phthalein blue powder 0.1%;
EFKA-4010 1.0％；
EFKA-4060 1.1％；
1％DBTDL 1.3％；
BYK-306 0.2％；
EFKA-3777 0.5％；
N-BUTYL ACETATE 12%;
Ethylene glycol ether acetate 6%.
Other is identical with embodiment 1.
Embodiment 3 performance tests
Model uses tinplate, and [(50mm * 120mm * (02～03) mm), oil removing skimming treatment are in advance filmed and are adopted embodiment 1 and embodiment 2 to make fluorine carbon lacquer and constructional method.The detection of paint film property is undertaken by corresponding GB.
Coating performance index sees Table 1.
Table 1 coating performance index
| Wet sticking power (23 ℃ of water 24h survey sticking power)≤ | 1 |
| Acid resistance (5% sulfuric acid soaks 7d) | By |
| Alkali resistance (5%NaOH soaks 7d) | By |
| Oil-proofness (the 200# solvent oil soaks 7d) | By |
| Water tolerance (40 ℃ of water logging bubble 7d) | By |
| Moisture-proof cold cycling (10 times) | No abnormal |
| Humidity resistance, 1000h | Non-foaming, non-corrosive, do not come off |
| Salt fog resistance, 1000h | Non-foaming, non-corrosive, do not come off |
| The artificial weathering ageing resistance, 5000h | Non-foaming, non-corrosive, do not ftracture, the efflorescence that do not come off≤1 grade; Loss of gloss, variable color≤2 grade |
Can find that by table 1 the fluorine carbon lacquer resistance to acids and bases of the present invention's preparation is good, the salt fog resistance of the supporting paint film of fluorocarbon coating can reach 1000h, has good anti-corrosive durability; Simultaneously, its artificial weathering ageing resistance can reach 5000h, has excellent weathering resistance.
Claims (4)
1. high-weather resistance fluorocarbon paint, form by coating host first component and solidifying agent second component, described coating host is by resin, color stuffing, auxiliary agent and solvent composition, it is characterized in that: described resin adopts the combination of trifluorochloroethylene fluorocarbon resin and tetrafluoroethylene fluorocarbon resin, and the weight ratio of trifluorochloroethylene fluorocarbon resin and tetrafluoroethylene fluorocarbon resin is 2: 1;
Described coating host is made up of the component of following weight percentage ratio:
Resin 60～69.99%;
Titanium dioxide 10～18%;
Carbon black 0.5～2%;
Middle bloom 0.5～2%;
Phthalein blue powder 0.01～0.5%;
EFKA-4010 1.0％；
EFKA-4060 1.0～2.0％；
1％DBTDL 1.3％；
BYK-306 0.2％；
EFKA-3777 0.5％；
N-BUTYL ACETATE 10～15%;
Ethylene glycol ether acetate 5～10%.
2. high-weather resistance fluorocarbon paint according to claim 1 is characterized in that by weight, and described solidifying agent second component is made up of 60～70% solidifying agent and 30～40% N-BUTYL ACETATE; Described solidifying agent is the HDI tripolymer.
3. the constructional method of the described high-weather resistance fluorocarbon paint of claim 1 is characterized in that comprising: earlier first, second component is mixed, be diluted to appropriate viscosity with thinner again, adopt the spraying method construction; Described first component: second component: the weight ratio of thinner is 8～12: 1: 2～4.
4. according to the constructional method of the described high-weather resistance fluorocarbon paint of claim 3, it is characterized in that described thinner is made up of N-BUTYL ACETATE, dimethylbenzene and ethylene glycol ether acetate, the weight ratio of N-BUTYL ACETATE, dimethylbenzene and ethylene glycol ether acetate is 15～30: 50: 20～35; Described first component: second component: the weight ratio of thinner is 10: 1: 2～4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2008100614525A CN101280139B (en) | 2008-04-30 | 2008-04-30 | High-weather resistance fluorocarbon paint and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100614525A CN101280139B (en) | 2008-04-30 | 2008-04-30 | High-weather resistance fluorocarbon paint and construction method thereof |
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| Publication Number | Publication Date |
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| CN101280139A CN101280139A (en) | 2008-10-08 |
| CN101280139B true CN101280139B (en) | 2010-08-11 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101832015B (en) * | 2010-03-29 | 2012-05-30 | 陕西建工集团第二建筑工程有限公司 | Construction process for outer wall metal fluorocarbon coating |
| CN101864216A (en) * | 2010-06-18 | 2010-10-20 | 太仓市高分子材料研发中心有限公司 | Curtain coating fluorocarbon quick-drying finish |
| CN101857745A (en) * | 2010-06-18 | 2010-10-13 | 太仓市高分子材料研发中心有限公司 | Fluorocarbon flash quick drying baking paint for curtain coating |
| CN102925044A (en) * | 2012-10-29 | 2013-02-13 | 常州大学 | Preparation method of hole-sealing coating on surface of physical vapor deposition (PVD) aluminum coating |
| CN103160173A (en) * | 2013-04-15 | 2013-06-19 | 重庆三峡油漆股份有限公司 | Fluorocarbon double-component coating with high weather resistance |
| CN103589251B (en) * | 2013-11-08 | 2016-01-13 | 西北永新涂料有限公司 | Anticorrosion fluorocarbon coating of steel storage tank and preparation method thereof |
| CN104804571B (en) * | 2014-02-19 | 2017-02-22 | 吉林市新谊化工防腐蚀材料有限责任公司 | Oil pipe with organic fluorocarbon coating and organic fluorocarbon coating |
| CN105625791A (en) * | 2016-03-04 | 2016-06-01 | 赵欣 | Coated composite material pole tower and manufacturing method thereof |
| CN112680077A (en) * | 2019-10-17 | 2021-04-20 | 陈二孝 | Fluorocarbon paint for surface corrosion prevention of carbon steel product and preparation method thereof |
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Granted publication date: 20100811 Termination date: 20140430 |