CN103013316A - Super weather-resisting, wear-resisting and anti-icing wind-powered blade coating and preparation method thereof - Google Patents

Super weather-resisting, wear-resisting and anti-icing wind-powered blade coating and preparation method thereof Download PDF

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CN103013316A
CN103013316A CN2012105185895A CN201210518589A CN103013316A CN 103013316 A CN103013316 A CN 103013316A CN 2012105185895 A CN2012105185895 A CN 2012105185895A CN 201210518589 A CN201210518589 A CN 201210518589A CN 103013316 A CN103013316 A CN 103013316A
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blade coating
coating
power generation
agent
driven power
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CN103013316B (en
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张乐显
张东亚
茹伟峰
刘翰锋
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Luoyang Qiwei Anti-Corrosion Engineering Material Co Ltd
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Luoyang Qiwei Anti-Corrosion Engineering Material Co Ltd
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Abstract

The invention discloses a super weather-resisting, wear-resisting and anti-icing wind-powered blade coating and a preparation method thereof. A component A comprises the following compositions in percentage by mass: 27-44% of fluorocarbon resin, 10-25% of polyester resins, 0.5-2% of a silane coupling agent, 0.5-2% of a wetting dispersant, 0.5-2% of a thixotropic agent, 1-5% of nano titanium dioxide, 3-6% of nano alumina, 12-18% of a pigment, 5-10% of packing, 3-6% of extinction powder, 0.1-1% of an ultraviolet light absorber, 0.1-0.8% of a flatting agent, 0.01-0.4% of a defoaming agent and 5-10% of a diluent; and the component A and aliphatic isocyanate are proportioned according to a formula that -NCO/-OH = 1.05-1.2. The coating disclosed by the invention is outstanding in weather resistance and wear resistance, and can carry out long-acting protection on wind-powered blades and save the maintenance cost; the water contact angle is greater than or equal to 150 degrees, and the ice cover can be reduced by more than 50%; and the surface dry is implemented in 0.5 h, the hard dry is implemented in 24 h, and the coating can be subjected to brush coating, roll coating and spray coating, therefore, the coating is high in construction efficiency.

Description

A kind of super weather-proof wear-resisting anti-freeze wind-driven power generation blade coating and preparation method thereof
 
Technical field
The present invention relates to a kind of coating technology, particularly a kind of super weather-proof wear-resisting anti-freeze wind-driven power generation blade coating and preparation method thereof, be applicable to the long-acting anti-freeze application of blade of wind-driven generator.
Background technology
The fan blade material mostly is greatly fiber glass epoxy, also has in addition unsaturated polyester resin composite material, has quality light, good mechanical property, and lower-cost advantage, but also come with some shortcomings: poor such as weathering resistance, abrasion resistance is not good etc.Wind power generating set is positioned at desert, mountain area, seashore and the sea away from the signs of human habitation mostly, and environment is abominable, and blade need to bear the erosion of the natural causes such as various high wind sand, rainwater, frost, ultraviolet radiation, and the abrasion that runs up.The coating protection technology because of its easy construction, wide adaptability, be not subjected to shape, area-constrained, the advantage such as can repeat application, can repair, with a wide range of applications in the surfacecti proteon field, the coating protection technology with excellent weather resistance, wear resistance is significant to the work-ing life and the reliability that improve wind electricity blade.
The phenomenon of freezing appears in the wind power generating set of moving under clammy environment, blade surface because of mist, rain, adhering to of snow, leaf surface structure, balance and deadweight etc. are impacted, and directly threatens safety and the efficient of unit.Therefore, require blade coating not only will have excellent weathering resistance, wear resistance, also need to possess certain anti-freeze property.
Chinese patent 201010537132.X discloses a kind of anti-icing, wear-resistant coating, reduces the cohesive force of coating and ice by the material that adds the low-k small particle size, and then reaches anti-freeze purpose.This coating abrasion performance good (≤50mg), but this coating is take urethane resin as base-material, weather resisteant is general, be generally 7 ~ 8 years work-ing life, surpass its work-ing life, barrier propterty can decline to a great extent even disappear, if satisfy the work-ing life in 20 years of blade, must carry out the application overhaul after 7 ~ 8 years.
Chinese patent 200710099350.8 discloses a kind of high-hydrophobicity anti-icing and anti-frosting coatings, characteristics to various icephobic coatings contrast, play anti-icing, white effect by constructing high hydrophobic surface, but weathering resistance and the wear resistance of coating are not studied, this coating also need heat (100 ℃ of thermofixation 7h) curing in addition, and is not suitable for the application of wind electricity blade.
The wind power plant maintenance difficulty is relatively large, and maintenance cost is relatively high, usually selects the coating of long-effective protection, time to first overhaul is prolonged as far as possible.Therefore, develop a kind of normal temperature application of being convenient to, have superb weathering resistance, outstanding wear resistance, the wind-driven power generation blade coating that also has certain deicing properties is particularly important.
Summary of the invention
Technical problem to be solved by this invention provides a kind of super weather-proof wear-resisting anti-freeze wind-driven power generation blade coating and preparation method thereof.
For the purpose that realizes solving the problems of the technologies described above, the present invention has adopted following technical scheme:
A kind of super weather-proof wear-resisting anti-freeze wind-driven power generation blade coating provided by the invention is made of first component, two kinds of components of component B.Wherein first component quality percentage composition is:
Fluorocarbon resin 27-44
Vibrin 10-25
Silane coupling agent 0.5-2
Wetting dispersing agent 0.5-2
Thixotropic agent 0.5-2
Nano titanium oxide 1-5
Nano aluminium oxide 3-6
Pigment 12-18
Filler 5-10
Flatting silica 3-6
UV light absorber 0.1-1
Flow agent 0.1-0.8
Defoamer 0.01-0.4
Thinner 5-10
Component B is aliphatic isocyanates;
First component and second component according to-proportioning is calculated in NCO/-OH=1.05 ~ 1.2.
Described fluorocarbon resin, its technical indicator is: fluorine content 〉=15%, hydroxy radical content 〉=0.5%, solid part 〉=50%.Can obtain from following supplier: vast and boundless morning twilight, Changshu three like richnesses, Changxing, Taiwan, Dalian shake nation and Wuxi Huambo etc.
Described vibrin second-order transition temperature≤20 ℃, hydroxy radical content 〉=2%, solid part 〉=70%.More specifically, described vibrin is for having good flexible linearity or little branched chain type polyester.Can be from directly obtaining from following supplier: the Taiwan moral be modest, Shenzhen Wei Nuohua, Changzhou Bai He coating, Bayer Bitterfeld GmbH, Degussa, Italy lid Si Tafu, include but not limited to this several suppliers, also can be synthetic under suitable condition with suitable starting material.
Described silane coupling agent is KH550, KH560, the combination of one or more arbitrary proportions among the KH570.
Described wetting dispersing agent is BYK-161, BYK-163, the combination of one or more arbitrary proportions among EFKA4061, EFKA4050, the EFKA4065.
Described thixotropic agent is any one in gas-phase polythene wax, silicon-dioxide, polyamide wax, the organobentonite.
Described nano titanium oxide particle size range is 10-100nm.
Described nano aluminium oxide particle size range is 50-300nm.
Described flow agent is any among BYK-354, BYK-356, the EFKA-3777.
Described defoamer is any among BYK-A530, BYK-066N, the Fomex N, 6800.
Described thinner is made up with arbitrary proportion by 1-Methoxy-2-propyl acetate, N-BUTYL ACETATE and dimethylbenzene.Concrete, thinner can be that 1-Methoxy-2-propyl acetate, N-BUTYL ACETATE and dimethylbenzene are with the mixture of volume ratio 1:1:1.
Described pigment includes but not limited to titanium dioxide, organic yellow, sun-proof is red and the combination of one or more arbitrary proportions of phthalocyanine blue.
Described filler includes but not limited to the combination of silica powder, mica powder and any one or a few arbitrary proportion of silicon whisker.
Described flatting silica and UV light absorber are commercially available conventional coating flatting silica and UV light absorber kind.
Described aliphatic diisocyanate is the aliphatic isocyanates performed polymer, NCO content is 10-25%, include but not limited to hexamethylene diisocyanate (HDI) performed polymer, different fluorine Lovell ketone vulcabond (IPDI) performed polymer, dicyclohexyl methane diisocyanate (H 12MDI) performed polymer, can be a kind of also can be the combination of several arbitrary proportions.
The employing surface energy is low, the exsertile fluorocarbon resin of weathering resistance, gives weathering resistance and the hydrophobicity of paint film excellence; Adopt pliable and tough vibrin to give the paint film good elasticity, and improve paint film shock resistance and wear resistance; Adopt the aliphatic isocyanates solidifying agent, give mechanical property and the weathering resistance of the good Air drying of paint film, excellence.Adopt suitable mode with the nano titanium oxide of weather resistance excellence paint film weatherability to be strengthened, use the nano aluminium oxide of wear resisting property excellence when making up coarse hydrophobic surface, improve the paint film wear resistance.Rationally utilize polarity and the solvability of solvent and resin, adopt suitable solvent to realize fluorocarbon resin, vibrin and the good consistency of solidifying agent; The color stuffing that employing has excellent weather resistance, and select suitable UV light absorber that paint film UV resistant performance is strengthened; Rational allocation wetting dispersing agent, thixotropic agent, defoamer and flow agent are realized the suitable consistency of each component of coating, obtain good workability and excellent paint film property.
The first method for preparing ingredients thereof of super weather-proof wear-resisting anti-freeze wind-driven power generation blade coating of the present invention may further comprise the steps:
(1) fluorocarbon resin, silane coupling agent and part thinner are added in the dispersion tank, stirred 10-20 minute, under stirring state, add nano titanium oxide, nano aluminium oxide, then, high speed dispersion 15-20 minute, ball milling 24 ~ 96h, obtain the slurry that nanoparticle fully disperses, place for subsequent use;
(2) vibrin, defoamer, wetting dispersing agent and part thinner are added in the dispersion tank, stirred 5-10 minute, under stirring state, add thixotropic agent, high speed dispersion 15-20 minute, under stirring state, add successively pigment, filler, flatting silica and UV light absorber, high speed dispersion 15-20 minute, enter the sand mill sand milling to fineness≤30 μ m, obtain mill base, place for subsequent use;
(3) under stirring state, step (1) gained slurry is joined in step (2) mill base, then, add flow agent, high speed dispersion 30-50 minute, namely get coating first component of the present invention after adjusting viscosity is qualified.
When using coating of the present invention, the first and second components according to-NCO/-OH=1.05 ~ 1.2 are calculated proportioning, are got final product application after mixing.
The described part thinner of preparation method specifically can refer to the thinner of total thinner quality 25-75%.
By adopting technique scheme, the present invention has following beneficial effect:
1, wind-driven power generation blade coating weather resistance of the present invention is outstanding, and wear resistance is outstanding, exceeds commercially available blade coating far away, can carry out long-effective protection to wind electricity blade, saves maintenance cost;
2, wind-driven power generation blade coating of the present invention has excellent hydrophobic effect, water contact angle 〉=150 °, and water droplet is at the easy glomeration of coatingsurface, tumble with the blade slight vibration, play certain anti-freeze effect, compare with commercially available blade coating, ice cover can reduce more than 50%;
3, wind electricity blade icephobic coating of the present invention, surface drying 0.5h does solid work 24h, can brushing, roller coat, spraying, the normal temperature operating efficiency is high.
Embodiment
Below in conjunction with embodiment this patent is further explained.But the protection domain of this patent is not limited to concrete embodiment.
Specified with embodiment the invention provides a kind of super weather-proof wear-resisting anti-freeze wind-driven power generation blade coating and preparation method thereof, but be not limited to this specific embodiment.Proportioning among the embodiment is calculated according to the mass fraction.
 
Embodiment 1:
First: three like rich fluorocarbon resin JF-2X 44
Wuxi Hu Dai chemical industry vibrin 3,090 10
Silane coupling agent KH550 0.5
Wetting dispersing agent BYK-161 2
Organobentonite 2
Nano titanium oxide 1
Nano aluminium oxide 6
Rutile type Titanium Dioxide 12
Mica powder 10
Flatting silica 6
UV light absorber TINUVIN 326 1
Flow agent BYK-354 0.1
Defoamer BYK-A530 0.4
Thinner 5
Second: N75
Wherein, thinner consists of 1-Methoxy-2-propyl acetate, N-BUTYL ACETATE and dimethylbenzene=1:1:1(mass ratio).
The preparation method is:
1, first component:
(1) fluorocarbon resin, silane coupling agent and half thinner are added in the dispersion tank, stirred 10-20 minute, under stirring state, add nano titanium oxide, nano aluminium oxide, then, high speed dispersion 15-20 minute, ball milling 24 ~ 96h, obtain the slurry that nanoparticle fully disperses, place for subsequent use;
(2) vibrin, defoamer, wetting dispersing agent and residue thinner are added in the dispersion tank, stirred 5-10 minute, under stirring state, add organobentonite, high speed dispersion 15-20 minute, under stirring state, add successively titanium dioxide, mica powder, flatting silica and UV light absorber, high speed dispersion 15-20 minute, enter the sand mill sand milling to fineness≤30 μ m, obtain mill base, place for subsequent use;
(3) under stirring state, step (1) gained slurry is joined in step (2) mill base, then, add flow agent, high speed dispersion 30-50 minute, namely get coating first component of the present invention after adjusting viscosity is qualified, packing gets final product in proportion.
2, second component:
Packing gets final product in proportion.
3, when using coating of the present invention, the first and second components according to-NCO/-OH=1.05 ~ 1.2 are calculated proportioning, are got final product application after mixing.This coating can adopt brushing, roller coating and spraying application.For guaranteeing the application outward appearance, recommend to use spraying application.
Prepared coating property meets the technical specification of table 1, and specific targets see Table 1.
Embodiment 2:
First: Changxing fluorocarbon resin 4,101 27
Degussa vibrin T1136 25
Silane coupling agent KH560 2
Wetting dispersing agent BYK-163 0.5
Polyamide wax 0.5
Nano titanium oxide 5
Nano aluminium oxide 3
Rutile type Titanium Dioxide 15
Silica powder 7.2
Flatting silica 3.89
UV light absorber TINUVIN 944 0.1
Flow agent BYK-356 0.8
Defoamer Fomex N 0.01
Thinner 10
Second: N3390
Wherein, thinner consists of 1-Methoxy-2-propyl acetate, N-BUTYL ACETATE and dimethylbenzene=1:2:1(mass ratio).
The preparation method is with embodiment 1.
Prepared coating property meets the technical specification of table 1, and specific targets see Table 1.
Embodiment 3:
First: the Dalian fluorocarbon resin ZB-F700 of nation 37 that shakes
Lid Si Tafu vibrin MX353 17
Silane coupling agent KH570 1.2
Wetting dispersing agent EFKA4061 1.3
Aerosil 1
Nano titanium oxide 3
Nano aluminium oxide 4
Rutile type Titanium Dioxide 18
Whisker silica flour 5
Flatting silica 3
UV light absorber TINUVIN 944 0.6
Flow agent EFKA 3,777 0.6
Defoamer BYK-066N 0.3
Thinner 8
Second: BASF HI 190
Wherein, thinner consists of 1-Methoxy-2-propyl acetate, N-BUTYL ACETATE and dimethylbenzene=1:1:3(mass ratio).
The preparation method is with embodiment 1.
Prepared coating property meets the technical specification of table 1, and specific targets see Table 1.
Table 1 coating property index and embodiment 1-3 coating detected result
Figure 575619DEST_PATH_IMAGE001
Remarks: (1) Comparative Examples 1 is commercial polyurethane class blade finish paint, and Comparative Examples 2 is commercially available fluorine carbon blade finish paint.
(2) moisture-proof cold cycling condition is: 80 ℃/3h, and room temperature/1h ,-30 ℃/3h, room temperature/1h, 40 ℃/98%RH/3h.
(3) the test specimen test surfaces is of a size of 150mm*70mm, horizontal by 10 ° of angles; Under-20 ℃ of environment, regularly surperficial at test specimen with 0 ℃ of frozen water of atomizer spray; Behind the 12h, observe the state of freezing, test is frozen and is measured.

Claims (10)

1. a super weather-proof wear-resisting anti-freeze wind-driven power generation blade coating is made of first component, two kinds of components of component B, and it is characterized in that: first component quality percentage composition is:
Fluorocarbon resin 27-44
Vibrin 10-25
Silane coupling agent 0.5-2
Wetting dispersing agent 0.5-2
Thixotropic agent 0.5-2
Nano titanium oxide 1-5
Nano aluminium oxide 3-6
Pigment 12-18
Filler 5-10
Flatting silica 3-6
UV light absorber 0.1-1
Flow agent 0.1-0.8
Defoamer 0.01-0.4
Thinner 5-10
Component B is aliphatic isocyanates;
First component and second component are calculated proportioning according to-NCO/-OH=1.05 ~ 1.2;
The technical indicator of described fluorocarbon resin is: fluorine content 〉=15%, hydroxy radical content 〉=0.5%, solid part 〉=50%; Described vibrin second-order transition temperature≤20 ℃, hydroxy radical content 〉=2%, solid part 〉=70%; The nano titanium oxide particle size range is 10-100nm; The nano aluminium oxide particle size range is 50-300nm.
2. described super weather-proof wear-resisting anti-freeze wind-driven power generation blade coating according to claim 1, it is characterized in that: described silane coupling agent is KH550, KH560, the combination of one or more arbitrary proportions among the KH570.
3. described super weather-proof wear-resisting anti-freeze wind-driven power generation blade coating according to claim 1, it is characterized in that: described wetting dispersing agent is BYK-161, BYK-163, the composition of any among EFKA4061, EFKA4050, the EFKA4065 or several arbitrary proportions.
4. described super weather-proof wear-resisting anti-freeze wind-driven power generation blade coating according to claim 1, it is characterized in that: described thixotropic agent is any one in gas-phase polythene wax, silicon-dioxide, polyamide wax, the organobentonite.
5. described super weather-proof wear-resisting anti-freeze wind-driven power generation blade coating according to claim 1, it is characterized in that: described described vibrin is for having good flexible linearity or little branched chain type polyester.
6. described super weather-proof wear-resisting anti-freeze wind-driven power generation blade coating according to claim 1, it is characterized in that: described described flow agent is any among BYK-354, BYK-356, the EFKA-3777; Defoamer is any among BYK-A530, BYK-066N, the Fomex N, 6800.
7. described super weather-proof wear-resisting anti-freeze wind-driven power generation blade coating according to claim 1, it is characterized in that: described thinner is 1-Methoxy-2-propyl acetate, N-BUTYL ACETATE and dimethylbenzene arbitrary proportion composition.
8. described super weather-proof wear-resisting anti-freeze wind-driven power generation blade coating according to claim 1, it is characterized in that: described pigment is titanium dioxide, organic yellow, sun-proof is red and the composition of phthalocyanine blue arbitrary proportion; Described filler is the composition of silica powder, mica powder and silicon whisker arbitrary proportion.
9. described super weather-proof wear-resisting anti-freeze wind-driven power generation blade coating according to claim 1, it is characterized in that: described described aliphatic diisocyanate is the aliphatic isocyanates performed polymer, NCO content is 10-25%.
10. the preparation method of the described super weather-proof wear-resisting anti-freeze wind-driven power generation blade coating of claim 1 is characterized in that: may further comprise the steps:
(1) fluorocarbon resin, silane coupling agent and part thinner are added in the dispersion tank, stirred 10-20 minute, under stirring state, add nano titanium oxide, nano aluminium oxide, then, high speed dispersion 15-20 minute, ball milling 24 ~ 96h, obtain the slurry that nanoparticle fully disperses, place for subsequent use;
(2) vibrin, defoamer, wetting dispersing agent and part thinner are added in the dispersion tank, stirred 5-10 minute, under stirring state, add thixotropic agent, high speed dispersion 15-20 minute, under stirring state, add successively pigment, filler, flatting silica and UV light absorber, high speed dispersion 15-20 minute, enter the sand mill sand milling to fineness≤30 μ m, obtain mill base, place for subsequent use;
(3) under stirring state, step (1) gained slurry is joined in step (2) mill base, then, add flow agent, high speed dispersion 30-50 minute, namely get coating first component of the present invention after adjusting viscosity is qualified;
In use, the first and second components according to-NCO/-OH=1.05 ~ 1.2 are calculated proportioning, are got final product application after mixing.
CN201210518589.5A 2012-12-06 2012-12-06 Super weather-resisting, wear-resisting and anti-icing wind-powered blade coating and preparation method thereof Active CN103013316B (en)

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CN103555085A (en) * 2013-10-10 2014-02-05 浙江川科防保材料发展有限公司 Fireproof and light-shielding fluorine-containing functional coating specialized for steel structure, and preparation process thereof
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CN105111907A (en) * 2015-09-14 2015-12-02 文庆武 Long-acting anti-icing wind power blade coating and preparing method thereof
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