CN101955729B - Polysiloxane topcoat for wind power generation equipment - Google Patents

Polysiloxane topcoat for wind power generation equipment Download PDF

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CN101955729B
CN101955729B CN 201010298598 CN201010298598A CN101955729B CN 101955729 B CN101955729 B CN 101955729B CN 201010298598 CN201010298598 CN 201010298598 CN 201010298598 A CN201010298598 A CN 201010298598A CN 101955729 B CN101955729 B CN 101955729B
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percent
component
finish paint
topcoat
paint according
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CN101955729A (en
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张乐显
张东亚
刘翰锋
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LUOYANG SHUANGRUI SPECIAL PRODUCT CORP
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Luoyang Qiwei Anti-Corrosion Engineering Material Co Ltd
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Abstract

The invention discloses a polysiloxane topcoat for wind power generation equipment. A component A of the topcoat comprises the following compositions in percentage by mass: 50 to 70 percent of acrylic modified polysiloxane resin, 0.1 to 1 percent of wetting and dispersing agent, 1 to 3 percent of thixotropic agent, 10 to 20 percent of lightfast pigment and filler, 5 to 15 percent of wear-resistant filler, 5 to 15 percent of impact-resistant filler, 0.5 to 2 percent of ultraviolet absorber, 0.1 to 2 percent of leveling agent and 1 to 5 percent of low-toxicity organic solvent; the component B is amino alkoxy silane; and the polysiloxane topcoat is prepared in a mass ratio of the acrylic resin to the amino alkoxy silane of 8-12:1. The topcoat has the advantages of outstanding weather resistance, excellent scratch, impact, wear, low temperature and corrosion resistance, hydrophobicity and low surface energy, has the comprehensive performance not lower than that of the conventional fluorocarbon topcoat for the wind power generation equipment, can form a film with the maximum thickness of 200mu m at one time, can shorten the construction period, has high solid content, is not cured by isocyanate, and is favorable for protecting environment.

Description

A kind of polysiloxane topcoat for wind power generation equipment
Technical field
The present invention relates to a kind of protective system technology, particularly a kind of polysiloxane topcoat for wind power generation equipment.
Background technology
Wind-power electricity generation has become the energy field that the our times various countries competitively develop as a kind of reproducible clean energy.Wind power generating set is positioned at desert, mountain area, seashore and the sea away from the signs of human habitation mostly; need to bear the erosion of the natural causes such as various high wind sand, rainwater, frost, ultraviolet radiation and wave; therefore; in order to ensure wind power plant longer work-ing life, must carry out corrosionproof protection to it.The wind power plant maintenance difficulty is relatively large, for reducing maintenance cost, usually selects the coating of long-effective protection in addition, time to first overhaul is prolonged as far as possible.Adopt at present maximum coatings system systems be coated with in rich zinc primary coat/epoxy micaceous iron/the acroleic acid polyurethane face is coated with, but only has 5~10 years working life, surpasses the working life acrylic polyurethane finish paint and just can be destroyed, barrier propterty descends until disappear.
For guaranteeing the long-effective corrosion effect, high weather-proof finish paint arises at the historic moment.Publication number is take fluorocarbon resin as base-material in the Chinese patent file of CN 101195724A, diisocyanate trimer is that solidifying agent prepares surface insulation varnish paint for wind power generation, publication number is take fluorocarbon resin as base-material in the Chinese patent file of CN 101538434A, HDI biuret and HDI tripolymer are that solidifying agent prepares the wind power plant antisepsis finishing paint, the fluorocarbon coating of the two invention is uses the isocyanic ester normal temperature cured type, and weather resistance is far above acroleic acid polyurethane coating.Yet the fluidization of current ambient temperature curing fluorocarbon resin raw material needs a large amount of strong solvent supports, and the VOC content of fluorine carbon finishing paint can't reduce all the time, in addition need be with poisonous cured with isocyanates, and these do not conform to the environmental protection attribute that wind energy itself has.Therefore, a kind of wind power equipment that is conducive to environment protection and excellent combination property of exploitation is particularly important with finish paint.
Summary of the invention
Technical problem to be solved by this invention provides a kind of polysiloxane topcoat for wind power generation equipment.
For the purpose that realizes solving the problems of the technologies described above, a kind of wind power equipment polysiloxane topcoat of the present invention is that colored paint component, second component are that two kinds of components of solidifying agent component consist of by the first component; Wherein first component quality percentage composition is:
Figure GSB00000975922100021
Component B is aminoalkoxy silane.
According to acroleic acid modified polysiloxane resin and aminoalkoxy silane mass ratio 8-12: 1 principle is carried out the proportioning of the first and second components, can use after mixing.
Described wetting dispersing agent is the composition of one or more arbitrary proportions among EFKA4061, EFKA4050, the EFKA4060.
Described thixotropic agent be aerosil, polyethylene wax, polyamide wax, bentonite any.
Described sun-proof color stuffing is the composition of one or more arbitrary proportions in Rutile type Titanium Dioxide, everbright fast red, phthalocyanine blue, organic yellow, carbon black, the process white.
Described wear resistant filler is the composition of one or more arbitrary proportions in silica powder, silicon carbide, the corundum.
Described shock-resistant filler is the composition of one or more arbitrary proportions in mica powder, the talcum powder.
Described UV light absorber is any among TINUVIN 384, TINUVIN 1130, the TINUVIN 328.
Described flow agent is any among BYK-354, BYK-355, the BYK-356.
Described hypotoxicity organic solvent is the composition of 1-Methoxy-2-propyl acetate, one or both arbitrary proportions of N-BUTYL ACETATE.
Described acroleic acid modified polysiloxane resin, by Hydroxylated acrylic resin and siloxanyl monomers polyreaction and get, theoretical Si-O-Si mass content is 10-15% after the modification.
Described second component is aminoalkoxy silane, include but not limited to γ-aminopropyl triethoxysilane, γ-aminopropyltrimethoxysilane, N-β (aminoethyl) γ-aminopropyl triethoxysilane and N-β (aminoethyl) γ-aminopropyltrimethoxysilane, can use separately, also being used in combination of arbitrary proportion.
This coating selection acroleic acid modified polysiloxane resin, aminoalkoxy silane, various color stuffing, auxiliary agent and hypotoxicity organic solvent etc. are by reasonably prescription preparation.Polysiloxane is because its special valence bond structure (Si-O-Si), have the advantages such as high-low temperature resistant, weathering resistance, chemical resistance, wear resistance, hydrophobic nature and low surface energy, but exist intensity low, with the deficiency such as base material bad adhesion, with acrylic resin it is carried out modification and can realize maximizing favourable factors and minimizing unfavourable ones.Be base-material by selecting with the equal acroleic acid modified polysiloxane resin of fluorocarbon resin over-all properties, select UV light absorber that its weathering resistance is strengthened, rational allocation color stuffing kind and ratio are to obtain the paint film over-all properties not second to fluorine carbon finishing paint; Select low viscosity propylene acid modified polysiloxane resin, thixotropic agent and hypotoxicity organic solvent; the rational allocation solidifying agent; realize that height contains and the thick film application admittedly; this polysiloxane topcoat for wind power generation equipment is conducive to environment protection than fluorine carbon finishing paint, and can greatly shorten construction period and improve coating efficiency.
These technical schemes can make up mutually or combination, thereby reach better technique effect.For example, the various selection components of coating can be interosculated.
A kind of wind power equipment of the present invention is as follows with the preparation technology of polysiloxane topcoat:
1, first component (colored paint component) preparation technology is as follows:
1) get aequum vinylformic acid polyorganosiloxane resin and add in the dispersion tank, wetting dispersing agent, the thixotropic agent of aequum added wherein, high speed dispersion 15~20 minutes obtains mixture I;
2) under the stirring at low speed, progressively the surplus stocks such as quantitative sun-proof color stuffing, wear resistant filler, shock-resistant filler, UV light absorber, flow agent are added mixture I, high speed dispersion 10~15 minutes, disperse complete, enter sand mill and be ground to fineness≤30 μ m, with obtaining the first component behind the hypotoxicity organic solvent adjusting viscosity, packing gets final product in proportion.
If the combination of the multiple aminoalkoxy silane of 2 solidifying agent mixes in proportion the solidifying agent of aequum and namely gets the second component; If single aminoalkoxy silane of planting then need not to mix; Then packing gets final product in proportion.
3, first component and component B are mixed by formula rate, slaking approximately after 5-10 minute, namely gets wind power equipment acroleic acid modified polysiloxane finish paint, and this coating can adopt brushing, roller coating and spraying application.For guaranteeing the application outward appearance, recommend to use spraying application, the thickest 200 μ m that reach of paint film.
Wind power equipment polysiloxane topcoat of the present invention, technical indicator and detected result see the following form 1:
Table 1
Figure GSB00000975922100041
By adopting technique scheme, the present invention has following beneficial effect:
1, polysiloxane topcoat for wind power generation equipment weather resistance of the present invention is outstanding, anti-ly scrape, shock resistance, wear-resisting, low temperature resistant and excellent anti-corrosion performance, have advantages of that hydrophobic nature and surface energy are low, over-all properties is not second to present wind power equipment fluorine carbon finishing paint;
2, one-pass film-forming reaches as high as 200 μ m, can greatly shorten construction period and improve operating efficiency;
3, solid content is high, without cured with isocyanates, is conducive to environment protection, possesses significantly " efficiently, economy, environmental protection " advantage than fluorine carbon finishing paint.
Embodiment
A kind of wind power equipment of the present invention is specified with embodiment with polysiloxane topcoat, but be not limited to this specific embodiment.Proportioning among the embodiment is calculated according to the mass fraction.
Embodiment 1:
Figure GSB00000975922100051
Second: γ-aminopropyl triethoxysilane
First: second=100: 6
Wherein, acroleic acid modified polysiloxane resin, the Si-O-Si theoretical content is 10-15%.
The preparation method is:
1, first component:
1) get aequum vinylformic acid polyorganosiloxane resin and add in the dispersion tank, wetting dispersing agent, the thixotropic agent of aequum added wherein, high speed dispersion 20 minutes obtains mixture I;
2) under the stirring at low speed, the quantitative sun-proof color stuffing that progressively will select, wear resistant filler, shock-resistant filler, UV light absorber, flow agent add mixture I, high speed dispersion 15 minutes, disperse complete, enter sand mill and be ground to fineness≤30 μ m, with obtaining the first component behind the organic solvent adjusting viscosity, packing gets final product in proportion.
If the combination of the multiple aminoalkoxy silane of 2 solidifying agent mixes in proportion the solidifying agent of aequum and namely gets the second component; If solidifying agent is single aminoalkoxy silane of planting, then need not to mix; Then packing gets final product in proportion.
3, first component and component B are mixed by formula rate, slaking approximately after 5-10 minute, namely gets wind power equipment acroleic acid modified polysiloxane finish paint, and 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 2.
Embodiment 2:
Figure GSB00000975922100061
Second: γ-aminopropyltrimethoxysilane
First: second=100: 6.5
Wherein, acroleic acid modified polysiloxane resin, the Si-O-Si theoretical content is 10-15%.
The preparation method is with embodiment 1.
Prepared coating property meets the technical specification of table 1, and specific targets see Table 2.
Embodiment 3:
Figure GSB00000975922100071
Second: N-β (aminoethyl) γ-aminopropyl triethoxysilane
First: second=100: 6.3
Wherein, acroleic acid modified polysiloxane resin, the Si-O-Si theoretical content is 10-15%.
The preparation method is with embodiment 1.
Prepared coating property meets the technical specification of table 1, and specific targets see Table 2.
Embodiment 4:
Figure GSB00000975922100072
Second: N-β (aminoethyl) γ-aminopropyltrimethoxysilane
First: second=100: 5.2
Wherein, acroleic acid modified polysiloxane resin, the Si-O-Si theoretical content is 10-15%.
The preparation method is with embodiment 1.
Prepared coating property meets the technical specification of table 1, and specific targets see Table 2.
Embodiment 5:
Figure GSB00000975922100082
Figure GSB00000975922100091
Second: γ-aminopropyltrimethoxysilane
First: second=100: 5.1
Wherein, acroleic acid modified polysiloxane resin, the Si-O-Si theoretical content is 10-15%.
The preparation method is with embodiment 1.
Prepared coating property meets the technical specification of table 1, and specific targets see Table 2.
Table 2 embodiment 1-5 coating property
Remarks: testing method and standard such as table 1.

Claims (9)

1. wind power equipment polysiloxane topcoat, it is characterized in that: described finish paint is that colored paint component, second component are that two kinds of components of solidifying agent component consist of by the first component, and wherein first component quality percentage composition is:
Figure FSB00000975922000011
Described acroleic acid modified polysiloxane resin, by light Hydroxylated acrylic resin and siloxanyl monomers polyreaction and get, theoretical Si-O-Si content is 10-15%;
Component B is aminoalkoxy silane;
According to acroleic acid modified polysiloxane resin and aminoalkoxy silane mass ratio 8-12: 1 carries out the proportioning of the first and second components, can use after mixing.
2. described finish paint according to claim 1, it is characterized in that: described wetting dispersing agent is the composition of one or more arbitrary proportions among EFKA4061, EFKA4050, the EFKA4060.
3. described finish paint according to claim 1, it is characterized in that: described thixotropic agent is any one in aerosil, polyethylene wax, polyamide wax, the organobentonite.
4. described finish paint according to claim 1, it is characterized in that: described sun-proof color stuffing is the composition of one or more arbitrary proportions in Rutile type Titanium Dioxide, everbright fast red, phthalocyanine blue, organic yellow, carbon black, the process white.
5. described finish paint according to claim 1, it is characterized in that: described wear resistant filler is the composition of one or more arbitrary proportions in silica powder, silicon carbide, the corundum.
6. described finish paint according to claim 1, it is characterized in that: described shock-resistant filler is the composition of one or more arbitrary proportions in mica powder, the talcum powder.
7. described finish paint according to claim 1, it is characterized in that: described UV light absorber is any one among TINUVIN384, TINUVIN 1130, the TINUVIN 328.
8. described finish paint according to claim 1, it is characterized in that: described flow agent is any one among BYK-354, BYK-355, the BYK-356.
9. described finish paint according to claim 1 is characterized in that: described aminoalkoxy silane is the composition of any or arbitrary proportion of γ-aminopropyl triethoxysilane, γ-aminopropyltrimethoxysilane, N-β (aminoethyl) γ-aminopropyl triethoxysilane and N-β (aminoethyl) γ-aminopropyltrimethoxysilane.
CN 201010298598 2010-10-08 2010-10-08 Polysiloxane topcoat for wind power generation equipment Expired - Fee Related CN101955729B (en)

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CN103897109A (en) * 2014-04-14 2014-07-02 湖北一桥涂料科技有限公司 Acrylic modified polysiloxane resin and paint containing same
CN105482574B (en) * 2014-10-13 2017-08-25 立邦工业涂料(上海)有限公司 A kind of fluorine carbon self-cleaning coating and preparation method
CN104946129A (en) * 2015-07-24 2015-09-30 上海海悦涂料有限公司 Polysiloxane heat-reflective topcoat and preparation method thereof
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Granted publication date: 20130327