CN106243981A - A kind of high resistance to dust storm corrodes wind-driven power generation blade coating and preparation method thereof - Google Patents
A kind of high resistance to dust storm corrodes wind-driven power generation blade coating and preparation method thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/08—Polyurethanes from polyethers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
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- C08G18/4854—Polyethers containing oxyalkylene groups having four carbon atoms in the alkylene group
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- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
A kind of high resistance to dust storm corrodes wind-driven power generation blade coating and preparation method thereof, and described coating is formed by base material and firming agent mixture, or also includes diluent；Described base material has polyaspartic ester resin, polyurethane resin, pigment, levelling agent, defoamer, anti-scratch auxiliary agent, catalysts and solvents；Described firming agent has aliphatic isocyanates, polyether polyol and organometallic salt catalysts；Described diluent has butyl acetate and high boiling solvent.Described preparation method, including the preparation of base material, the preparation of firming agent and the preparation of diluent, finally by prepared base material and firming agent, or is additionally added diluent mixture,.By spray painting of the present invention in fan blade surface, one-pass film-forming thickness up to 210 μm more than, film good mechanical property, adhesive force are strong, and resistance to impact, mar proof, resisting fatigue dust storm aggressivity damaging, resistance to is good；Equipment is simple, production technology is easy for the production of described preparation method, is suitable to large-scale production.
Description
Technical field
The present invention relates to a kind of wind-driven power generation blade coating and preparation method thereof, be specifically related to a kind of high resistance to dust storm and corrode wind-powered electricity generation leaf
Sheet coating and preparation method thereof.
Background technology
At present, China's wind energy market the most constantly expands, and blower fan manufacturing industry comes into high-speed development period, lot of domestic and foreign system
Make enterprise and initially enter China's wind energy market.The existing manufacture of China the blade sold and most manufacturing enterprises system in the world
The blade made is the same, all uses the production technology being primary structure body with fiberglass, and blade typically uses construction paint or glue
Fan blade surface protected by clothing, thus protects glass fibre reinforced plastic structure main body.Owing to Wind Energy In China subregion region is broad so that blower fan
Residing region is the broadest, therefore, can suffer from the impact of various adverse circumstances, such as dust storm erosion, difference variation, edge
The salt air corrosion in sea, ultraviolet light destruction etc..The polyurethane coating now used or gel coat are all difficult to resist dust storm and corrode, particularly leaf
The dust storm of sheet windward side corrodes very serious, and general blower fan is required to again spray blade painting after using 2～5 years
Material, so, need exploitation one badly and can tolerate the harsh weather erosions such as dust storm, reduce spray painting frequency, increase fan blade
The wind-driven power generation blade coating in service life.
Summary of the invention
The technical problem to be solved is, overcomes the drawbacks described above that prior art exists, it is provided that one has good
Good adhesive force, the resistance to dust storm of height of the excellent erosion performance of resistance to dust storm corrodes wind-driven power generation blade coating.
The present invention to solve the technical problem that it is to overcome the drawbacks described above that prior art exists, it is provided that Yi Zhongsheng further
The resistance to dust storm of height that product equipment is simple, production technology is easy corrodes the preparation method of wind-driven power generation blade coating.
The technical solution adopted for the present invention to solve the technical problems is as follows: a kind of high resistance to dust storm corrodes wind electricity blade and is coated with
Material, is formed by base material and firming agent mixture, or also includes diluent；Described base material is made up of following raw material: poly-aspartic-acid
Ester resin, polyurethane resin, pigment, levelling agent, defoamer, anti-scratch auxiliary agent, organic metal salt compound with tertiary amine compounds
Catalysts and solvents；Described firming agent is made up of following raw material: aliphatic isocyanates, polyether polyol and organic metal salt
Catalyst；Described diluent is made up of following raw material: butyl acetate and high boiling solvent.
Preferably, the resistance to dust storm of described height corrodes wind-driven power generation blade coating by base material, firming agent and diluent according to 1.5～3.0:
The quality of 1:0～0.6 forms than mixture；
In described base material, the weight portion of each raw material is: polyaspartic ester resin 180～400 parts, polyurethane resin 150～
300 parts, pigment 400～600 parts, levelling agent 5～10 parts, defoamer 5～10 parts, anti-scratch auxiliary agent 20～50 parts, organic metal
Catalyst 3 that salt and tertiary amine compounds are compounding～10 parts and solvent 100～200 parts；
In described firming agent, the weight portion of each raw material is: aliphatic isocyanates 400～800 parts, polyether polyol 400～600
Part and organometallic salt catalysts 1～3 parts；
In described diluent, the weight portion of each raw material is: butyl acetate 60～80 parts and high boiling solvent 20～40 parts.Described height
The boiling point of boiling point solvent is 190～250 DEG C.
It is highly preferred that the resistance to dust storm of described height corrode wind-driven power generation blade coating by base material, firming agent and diluent according to 1.5～
The quality of 3.0:1:0～0.6 forms than mixture；
In described base material, the weight portion of each raw material is: polyaspartic ester resin 200～320 parts, polyurethane resin 150～
300 parts, pigment 500～550 parts, levelling agent 5～10 parts, defoamer 5～10 parts, anti-scratch auxiliary agent 30～40 parts, organic metal
Catalyst 4 that salt and tertiary amine compounds are compounding～6 parts and solvent 140～190 parts；
In described firming agent, the weight portion of each raw material is: aliphatic isocyanates 500～600 parts, polyether polyol 400～600
Part and organometallic salt catalysts 1～3 parts；
In described diluent, the weight portion of each raw material is: butyl acetate 60～80 parts and high boiling solvent 20～40 parts.
Preferably, in base material, described polyaspartic ester resin be the model that Bayer Bitterfeld GmbH science and technology produces be 1420,
One or more in 1520 or 1220.After the solidification of polyaspartic ester resin, there is good ageing-resistant performance, wearability
Can and anti-blown sand aggressivity, and good elasticity can be provided to film.
Preferably, in base material, described polyurethane resin is the poly-ammonia containing two primary amine groups or two primary hydroxy group
Ester resin.There is after this curable urethane resin good anti-wear performance and good elasticity.Two are contained it is highly preferred that described
The polyurethane resin of primary amine group or two primary hydroxy group is respectively isocyanates and is polymerized shape with dihydroxylic alcohols or diamine process
The polyurethane resin become.Further preferably, described polyurethane resin is the model that Dongguan Hongda Polyurethane Co., Ltd. produces
Polyurethane resin for HD-327, HD-337 or HD-338.
Preferably, in base material, described pigment is one or more in carbon black, titanium white, iron oxide yellow, ferrum orchid or iron oxide red etc..Institute
State the titanium white titanium dioxide that model is R930 that preferably Ishihara Sangyo Kaisha, Ltd. of Japan produces.
Preferably, in base material, described levelling agent is organic silicon type or acrylic ester type levelling agent.More preferably Germany Bi Ke is public
Department's BYK390 levelling agent and/or AFCONA company 3777 levelling agent.
Preferably, in base material, described defoamer is mineral oil, organosilicon or polyethers etc..More preferably Di Gao company of Germany
5005 defoamer and/or AFCONA company defoamer.
Preferably, in base material, described anti-scratch auxiliary agent is Bi Ke company BYK306 auxiliary agent.
Preferably, in base material, described organic metal salt is in dibutyl tin laurate, stannous octoate or isooctyl acid lead etc.
One or more, described tertiary amine compounds is dimethylethanolamine or triethyl group diamidogen, organic metal salt and tertiary amines
The mass ratio that compound is combined is 1:3～5.The model that described dibutyl tin laurate preferred U.S. aerochemistry produces is T-12
Product, the product that model is T-9 that described stannous octoate preferred U.S. aerochemistry produces；Described triethyl group diamidogen is the most beautiful
The product that model is A-33 that state's aerochemistry produces.
Preferably, in base material, described solvent is one or more in butyl acetate, dimethylbenzene or nylon acid methyl ester etc..
Described nylon acid methyl ester is made up of with arbitrary proportion dimethyl succinate, Glutaric Acid Dimethyl ester and dimethyl adipate, preferably beautiful
E.I.Du Pont Company of state nylon acid methyl ester (DBE).
Preferably, in firming agent, described aliphatic isocyanates is the isocyanates of degree of functionality 2.0～3.0.It is highly preferred that institute
Stating the isocyanates that degree of functionality is 2.0～3.0 is poly methylene poly phenyl poly isocyanate, hexamethylene diisocyanate or different
One or more in isophorone diisocyanate.Further preferably U.S.'s Hensel steps group is H12MDI and/or Germany's BASF
The isocyanates that model is HDI trimer that company produces.Described aliphatic isocyanates has the best resistance to ag(e)ing
Energy.
Preferably, in firming agent, described polyether polyol is PolyTHF dihydroxylic alcohols, PolyTHF trihydroxylic alcohol, gathers
One or more in ethylene glycol dihydroxylic alcohols or Polyethylene Glycol trihydroxylic alcohol etc..The model that more preferably Germany's BASF produces is
The polyether polyol of PTMEG1000.
Preferably, in firming agent, described organic metal salt is dibutyl tin laurate, stannous octoate or isooctyl acid lead etc.
In one or more.The product that model is T-12 that described dibutyl tin laurate preferred U.S. aerochemistry produces, institute
State the product that model is T-9 that stannous octoate preferred U.S. aerochemistry produces.
Preferably, in diluent, described high boiling solvent is nylon acid methyl ester, butyl acetate or carbonic acid third
One or more in dilute ester etc..Described nylon acid methyl ester is by dimethyl succinate, Glutaric Acid Dimethyl ester and dimethyl adipate
Form with arbitrary proportion.It is highly preferred that described nylon acid methyl ester is the DBE of du pont company, described butyl vinegar
Acid esters is the DBGA product of du pont company.
The present invention solves its technical problem further and be the technical scheme is that a kind of high resistance to dust storm corrodes wind electricity blade
The preparation method of coating, comprises the following steps:
(1) preparation of base material: first the solvent of polyaspartic ester resin, polyurethane resin, pigment and part is added dispersion
In tank pre-dispersed, after standing, grind, then material and levelling agent, defoamer, anti-scratch auxiliary agent, the organic metal salt after grinding
Joining together with the catalyst compounding with tertiary amine compounds and the solvent of remaining part sizes mixing in tank, and discharging after dispersion to obtain final product
Base material；
(2) preparation of firming agent: aliphatic isocyanates, polyether polyol and organometallic salt catalysts are added reactor
In, at the uniform velocity stirring, heating, after insulation reaction, the weight/mass percentage composition of sampling detection isocyano, when the quality hundred of isocyano
After dividing content to reach design load, cooling, obtain firming agent；
(3) preparation of diluent: butyl acetate and high boiling solvent are added and sizes mixing in tank, dispersion, obtain diluent；
(4) preparation of coating: by step (1) gained base material and step (2) gained firming agent, or it is dilute to be additionally added step (3) gained
Release agent mixture, stir, i.e. get Gao Nai dust storm corrodes wind-driven power generation blade coating.
Preferably, in step (1), described pre-dispersed and scattered mixing speed is 400～800r/min, and the time is
40～80min(more preferably 50～60min).Owing to the viscosity of base material is relatively big, if pre-dispersed and scattered mixing speed is too low, difficult
To reach pre-dispersed and scattered purpose, if mixing speed is too high, then material easily generates heat, and the volatilization of solvent is more serious, shadow
Ring product quality and environmental pollution can be caused.
Preferably, in step (1), the time of described standing is 20～30h.The purpose stood after pre-dispersed is to allow base
The dispersion of resin energy preferably moistening pigment, beneficially pigment in material.
Preferably, fineness≤20 μm in step (1), after described grinding.The purpose ground is to allow pigment divide completely
It is dispersed in the middle of base material, is storing and in work progress, will not separate out from coating.
In step (1), the purpose that raw material is added separately to is to make pigment preferably disperse；Described solvent adds at twice
Purpose be mainly conducive to the mixing of raw material, so pre-dispersed and disperse the amount of be separately added into solvent strictly to limit,
But the solvent total amount added preferably keeps constant.
Preferably, in step (2), the described speed at the uniform velocity stirred is 80～120r/min(more preferably 85～100r/
Min).
Preferably, in step (2), the temperature of described heating is 70～90 DEG C, and the time of insulation reaction is 4～5h.If adding
Hot temperature is too low, and required temperature retention time greatly extends, and affects production efficiency, if heating-up temperature is too high, then can cause isocyanide
The autohemagglutination of acid esters, affects product quality；The selection of temperature retention time mainly determines according to the completeness of reaction, temperature retention time
Short, then reaction is not exclusively, and temperature retention time is long, then affect production efficiency.
Preferably, in step (2), the design load of the weight/mass percentage composition of described isocyano be 5～15%(more preferably 8～
14%).The purpose of sampling detection isocyano is the completeness judging reaction, to judge reaction end.
Preferably, in step (3), described scattered speed is 200～400r/min, and the scattered time is 40～80min.
The viscosity of diluent is the lowest, if rate of dispersion is too low, can extend jitter time, if rate of dispersion is too high, then can cause dilution
Agent is flowed, and even results in it and overflows.
Beneficial effects of the present invention is as follows:
(1) the high resistance to dust storm of the present invention corrode wind-driven power generation blade coating can direct spraying in the fan blade surface through grinding process,
One-pass film-forming thickness up to 210 μm more than, efficiency of construction is high；
(2) the high resistance to dust storm of the present invention corrodes wind-driven power generation blade coating film good mechanical property, and coating is adhered to blade fiberglass ground
Power is strong, and resistance to impact, mar proof, resisting fatigue dust storm aggressivity damaging, resistance to is good, runs examination after wind electricity blade sprays
Testing, after this wind electricity blade runs 2 years, it is complete that high resistance to dust storm corrodes wind-driven power generation blade coating coating, without noticeable wear, illustrates that it is special
Be not suitable to be sprayed on wind electricity blade surface, the service life of wind electricity blade can be effectively improved；
(3) equipment is simple, production technology is easy in preparation method of the present invention production, is suitable to large-scale production.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described.
The title of the chemical reagent that the embodiment of the present invention is used, model and manufacturer are as shown in the table, as without special
Illustrate, all obtained by routine business approach.
Embodiment 1
The high resistance to dust storm of the present embodiment corrodes wind-driven power generation blade coating and is formed than mixture according to the quality of 1.5:1 by base material and firming agent；
Described base material is made up of by weight following raw material: 1520,60 parts of poly-aspartics of 250 parts of polyaspartic ester resins
1420,150 parts of polyurethane resin HD-338 of acid ester resin, 500 parts of titanium dioxide R930,5 parts of levelling agent BYK390,8 parts of defoamer
5005,35 parts of anti-scratch auxiliary agent B YK306,6 parts of stannous octoate T-9 and triethyl group diamidogen A-33 are with compounding the urging of mass ratio of 1:4
Agent, 30 parts of dimethylbenzene, 100 parts of butyl acetates and 10 parts of DBE；
Described firming agent is made up of by weight following raw material: 500 parts of aliphatic isocyanates H12MDI, 600 parts of polyether polyols
Alcohol PTMEG1000 and 1 part of stannous octoate T-9.
The high resistance to dust storm of the present embodiment corrodes the preparation method of wind-driven power generation blade coating, comprises the following steps:
(1) preparation of base material: first 1520,60 parts of polyaspartic esters of 250 parts of polyaspartic esters 1420,150 parts are gathered
Urethane resin HD-338,500 parts of titanium dioxide R930,30 parts of dimethylbenzene are put in dispersion tank, under low whipping speed 600r/min, use
The pre-dispersed 60min of high speed dispersor, after standing 24h, is ground to fineness≤20 μ by the material closed sand mill in dispersion tank
M, the material after grinding and 5 parts of levelling agent BYK390,5005,35 parts of anti-scratch auxiliary agent B YK306 of 8 parts of defoamer, 6 parts of octanoic acids
Catalyst, 100 parts of butyl acetates that stannous T-9 and triethyl group diamidogen A-33 compound with the mass ratio of 1:4 add together with 10 parts of DBE
Enter to sizing mixing in tank, under low whipping speed 500r/min, with discharging after high speed dispersor dispersion 60min, obtain base material；
(2) preparation of firming agent: by 500 parts of aliphatic isocyanates H12MDI, 600 parts of polyether polyol PTMEG1000 and 1 part
Stannous octoate T-9 adds in reactor, at the uniform velocity stirs with mixing speed 85r/min, is heated to 80 DEG C, insulation reaction 5h, sampling
Record after the weight/mass percentage composition of isocyano reaches 10.2%, cooling, obtain firming agent；
(3) preparation of coating: by step (1) gained base material and step (2) gained firming agent according to the quality of 1.5:1 than mixture,
Stir, i.e. get Gao Nai dust storm corrodes wind-driven power generation blade coating.
Embodiment 2
The high resistance to dust storm of the present embodiment corrodes wind-driven power generation blade coating by base material, firming agent and diluent according to the mass ratio of 2:1:0.2
Mixture forms；
Described base material is made up of by weight following raw material: 1520,80 parts of poly-aspartics of 200 parts of polyaspartic ester resins
1420,200 parts of polyurethane resin HD-338 of acid ester resin, 550 parts of titanium dioxide R930,5 parts of levelling agent BYK390,10 parts of defoamer
5005,40 parts of anti-scratch auxiliary agent B YK306,5 parts of dibutyl tin laurate T-12 and triethyl group diamidogen A-33 are with the quality of 1:5
Than compounding catalyst, 40 parts of dimethylbenzene, 90 parts of butyl acetates and 10 parts of DBE；
Described firming agent is made up of by weight following raw material: 500 parts of aliphatic isocyanates H12MDI, 100 parts of aliphatic are different
Cyanate HDI trimer, 500 parts of polyether polyol PTMEG1000 and 2 parts of stannous octoate T-9；
Described diluent is made up of by weight following raw material: 80 parts of butyl acetates and 20 parts of high boiling solvent DBE.
The high resistance to dust storm of the present embodiment corrodes the preparation method of wind-driven power generation blade coating, comprises the following steps:
(1) preparation of base material: by 200 parts of polyaspartic esters, 1420,200 parts of poly-ammonia of 1520,80 parts of polyaspartic esters
Ester resin HD338,550 parts of titanium dioxide R930,40 parts of dimethylbenzene are put in dispersion tank, under low whipping speed 700r/min, with height
The speed pre-dispersed 60min of dispersion machine, after standing 24h, is ground to fineness≤20 μm by the material closed sand mill in dispersion tank,
Material after grinding and 5 parts of levelling agent BYK390,5005,40 parts of anti-scratch auxiliary agent B YK306 of 10 parts of defoamer, 5 part of two Laurel
Catalyst, 90 parts of butyl acetates and the 10 parts of DBE that acid dibutyl tin T-12 and triethyl group diamidogen A-33 compounds with the mass ratio of 1:5
Join together and size mixing in tank, under low whipping speed 500r/min, with discharging after high speed dispersor dispersion 60min, obtain base material；
(2) preparation of firming agent: by 500 parts of aliphatic isocyanates H12MDI, 100 parts of aliphatic isocyanates HDI trimer,
500 parts of polyether polyol PTMEG1000 and 2 parts of stannous octoate T-9 add in reactor, at the uniform velocity stir with mixing speed 90r/min
Mixing, be heated to 80 DEG C, insulation reaction 4h, sampling records after the weight/mass percentage composition of isocyano reaches 12.6%, and cooling to obtain final product
Firming agent；
(3) preparation of diluent: 80 parts of butyl acetates and 20 parts of high boiling solvent DBE are added and sizes mixing in tank, with mixing speed
200r/min, disperses 40min with high speed dispersor, obtains diluent；
(4) preparation of coating: by step (1) gained base material, step (2) gained firming agent and step (3) gained diluent according to
The quality of 2:1:0.2, than mixture, stirs, i.e. get Gao Nai dust storm corrodes wind-driven power generation blade coating.
Embodiment 3
The high resistance to dust storm of the present embodiment corrodes wind-driven power generation blade coating by base material, firming agent and diluent according to the mass ratio of 3:1:0.5
Mixture forms；
Described base material is made up of by weight following raw material: 1520,50 parts of poly-aspartics of 150 parts of polyaspartic ester resins
1420,300 parts of polyurethane resin HD-338 of acid ester resin, 500 parts of titanium dioxide R930,8 parts of levelling agent BYK390,10 parts of defoamer
5005,40 parts of anti-scratch auxiliary agent B YK306,5 parts of dibutyl tin laurate T-12 and triethyl group diamidogen A-33 are with the quality of 1:5
Than compounding catalyst, 80 parts of dimethylbenzene, 100 parts of butyl acetates and 10 parts of DBE；
Described firming agent is made up of by weight following raw material: 500 parts of aliphatic isocyanates H12MDI, 100 parts of aliphatic are different
Cyanate HDI trimer, 400 parts of polyether polyol PTMEG1000 and 2 parts of stannous octoate T-9；
Described diluent is made up of by weight following raw material: 70 parts of butyl acetates and 30 parts of high boiling solvent DBE.
The high resistance to dust storm of the present embodiment corrodes the preparation method of wind-driven power generation blade coating, comprises the following steps:
(1) preparation of base material: by 150 parts of polyaspartic esters, 1420,300 parts of poly-ammonia of 1520,50 parts of polyaspartic esters
Ester resin HD338,500 parts of titanium dioxide R930,80 parts of dimethylbenzene are put in dispersion tank, under low whipping speed 800r/min, with height
The speed pre-dispersed 60min of dispersion machine, after standing 24h, is ground to fineness≤20 μm by the material closed sand mill in dispersion tank,
Material after grinding and 8 parts of levelling agent BYK390,5005,40 parts of anti-scratch auxiliary agent B YK306 of 10 parts of defoamer, 5 part of two Laurel
Catalyst, 100 parts of butyl acetates and 10 parts that acid dibutyl tin T-12 and triethyl group diamidogen A-33 compounds with the mass ratio of 1:5
DBE joins together and sizes mixing in tank, under low whipping speed 600r/min, with discharging after high speed dispersor dispersion 60min, obtains base
Material；
(2) preparation of firming agent: by 500 parts of aliphatic isocyanates H12MDI, 100 parts of aliphatic isocyanates HDI trimer,
400 parts of polyether polyol PTMEG1000 and 2 parts of stannous octoate T-9 add in reactor, at the uniform velocity stir with mixing speed 90r/min
Mixing, be heated to 80 DEG C, insulation reaction 4h, sampling records after the weight/mass percentage composition of isocyano reaches 13.9%, and cooling to obtain final product
Firming agent；
(3) preparation of diluent: 70 parts of butyl acetates and 30 parts of high boiling solvent butyl acetate DBGA are added
Size mixing in tank, with mixing speed 300r/min, disperse 60min with high speed dispersor, obtain diluent；
(4) preparation of coating: by step (1) gained base material, step (2) gained firming agent and step (3) gained diluent according to
The quality of 3:1:0.5, than mixture, stirs, i.e. get Gao Nai dust storm corrodes wind-driven power generation blade coating.
Use high pressure painting equipment, high for embodiment 1～3 gained resistance to dust storm is corroded wind-driven power generation blade coating and sprays to wind respectively
Electricity blade surface, coating performance examination criteria and the results are shown in Table 1.
Table 1 embodiment 1～3 gained coating performance examination criteria and result
After testing, embodiment 1～3 coating one-pass film-forming thickness is respectively 210 μm, 220 μm, 210 μm.
As shown in Table 1, gained coating all shows film good mechanical property, coating with wind electricity blade adhesive force by force, resistance to punching
Hitting property, mar proof, resisting fatigue dust storm aggressivity damaging, resistance to is good.
The wind electricity blade sample of wind-driven power generation blade coating is corroded at Inner Mongol wind by coating the high resistance to dust storm of embodiment 1～3 respectively
Electricity power plant uses, and after 2 years, through maintenance down, coating surface is complete, without noticeable wear.
Claims (10)
1. one kind high resistance to dust storm corrodes wind-driven power generation blade coating, it is characterised in that: formed by base material and firming agent mixture, or also include
Diluent；Described base material is made up of following raw material: polyaspartic ester resin, polyurethane resin, pigment, levelling agent, froth breaking
The catalysts and solvents that agent, anti-scratch auxiliary agent, organic metal salt compound with tertiary amine compounds；Described firming agent is by following raw material
Composition: aliphatic isocyanates, polyether polyol and organometallic salt catalysts；Described diluent is made up of following raw material:
Butyl acetate and high boiling solvent.
The highest resistance to dust storm corrodes wind-driven power generation blade coating, it is characterised in that: by base material, firming agent and dilute
Release agent to form than mixture according to the quality of 1.5～3.0:1:0～0.6；
In described base material, the weight portion of each raw material is: polyaspartic ester resin 180～400 parts, polyurethane resin 150～
300 parts, pigment 400～600 parts, levelling agent 5～10 parts, defoamer 5～10 parts, anti-scratch auxiliary agent 20～50 parts, organic metal
Catalyst 3 that salt and tertiary amine compounds are compounding～10 parts and solvent 100～200 parts；
In described firming agent, the weight portion of each raw material is: aliphatic isocyanates 400～800 parts, polyether polyol 400～600
Part and organometallic salt catalysts 1～3 parts；
In described diluent, the weight portion of each raw material is: butyl acetate 60～80 parts and high boiling solvent 20～40 parts.
The highest resistance to dust storm corrodes wind-driven power generation blade coating, it is characterised in that: by base material, firming agent and dilute
Release agent to form than mixture according to the quality of 1.5～3.0:1:0～0.6；
In described base material, the weight portion of each raw material is: polyaspartic ester resin 200～320 parts, polyurethane resin 150～
300 parts, pigment 500～550 parts, levelling agent 5～10 parts, defoamer 5～10 parts, anti-scratch auxiliary agent 30～40 parts, organic metal
Catalyst 4 that salt and tertiary amine compounds are compounding～6 parts and solvent 140～190 parts；
In described firming agent, the weight portion of each raw material is: aliphatic isocyanates 500～600 parts, polyether polyol 400～600
Part and organometallic salt catalysts 1～3 parts；
In described diluent, the weight portion of each raw material is: butyl acetate 60～80 parts and high boiling solvent 20～40 parts.
4. corrode wind-driven power generation blade coating according to one of claims 1 to 3 resistance to dust storm of described height, it is characterised in that: in base material, described
Polyurethane resin is containing two primary amine groups or the polyurethane resin of two primary hydroxy group；Described levelling agent is organic silicon type
Or acrylic ester type levelling agent；Described defoamer is mineral oil, organosilicon or polyethers；Described organic metal salt is tin dilaurate two
One or more in butyl tin, stannous octoate or isooctyl acid lead, described tertiary amine compounds is dimethylethanolamine or three second
Base diamidogen, the mass ratio that organic metal salt is combined with tertiary amine compounds is 1:3～5；Described solvent is butyl acetate, dimethylbenzene
Or one or more in nylon acid methyl ester.
5. corrode wind-driven power generation blade coating according to one of Claims 1 to 4 resistance to dust storm of described height, it is characterised in that: in firming agent, institute
State the isocyanates that aliphatic isocyanates is degree of functionality 2.0～3.0；Described polyether polyol be PolyTHF dihydroxylic alcohols,
One or more in PolyTHF trihydroxylic alcohol, Polyethylene Glycol dihydroxylic alcohols or Polyethylene Glycol trihydroxylic alcohol；Described organic metal salt
For one or more in dibutyl tin laurate, stannous octoate or isooctyl acid lead.
6. corrode wind-driven power generation blade coating according to one of Claims 1 to 5 resistance to dust storm of described height, it is characterised in that: in diluent, institute
Stating high boiling solvent is one or more in nylon acid methyl ester, butyl acetate or propylene carbonate ester.
7. as described in one of claim 1～6, high resistance to dust storm corrodes a preparation method for wind-driven power generation blade coating, and its feature exists
In, comprise the following steps:
(1) preparation of base material: first the solvent of polyaspartic ester resin, polyurethane resin, pigment and part is added dispersion
In tank pre-dispersed, after standing, grind, then material and levelling agent, defoamer, anti-scratch auxiliary agent, the organic metal salt after grinding
Joining together with the catalyst compounding with tertiary amine compounds and the solvent of remaining part sizes mixing in tank, and discharging after dispersion to obtain final product
Base material；
(2) preparation of firming agent: aliphatic isocyanates, polyether polyol and organometallic salt catalysts are added reactor
In, at the uniform velocity stirring, heating, after insulation reaction, the weight/mass percentage composition of sampling detection isocyano, when the quality hundred of isocyano
After dividing content to reach design load, cooling, obtain firming agent；
(3) preparation of diluent: butyl acetate and high boiling solvent are added and sizes mixing in tank, dispersion, obtain diluent；
(4) preparation of coating: by step (1) gained base material and step (2) gained firming agent, or it is dilute to be additionally added step (3) gained
Release agent mixture, stir, i.e. get Gao Nai dust storm corrodes wind-driven power generation blade coating.
The highest resistance to dust storm corrodes the preparation method of wind-driven power generation blade coating, it is characterised in that: step (1)
In, described pre-dispersed and scattered mixing speed is 400～800r/min, and the time is 40～80min；Described standing time
Between be 20～30h；Fineness≤20 μm after described grinding.
9. the preparation method of wind-driven power generation blade coating is corroded according to high resistance to dust storm described in claim 7 or 8, it is characterised in that: step
(2), in, the described speed at the uniform velocity stirred is 80～120r/min；The temperature of described heating is 70～90 DEG C, insulation reaction time
Between be 4～5h；The design load of the weight/mass percentage composition of described isocyano is 5～15%.
10. the preparation method of wind-driven power generation blade coating is corroded according to one of claim 7～9 resistance to dust storm of described height, it is characterised in that:
In step (3), described scattered speed is 200～400r/min, and the scattered time is 40～80min.
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| CN114539842A (en) * | 2021-11-29 | 2022-05-27 | 厦门双瑞船舶涂料有限公司 | Environment-friendly elastic putty and preparation method thereof |
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| CN114605903A (en) * | 2022-03-31 | 2022-06-10 | 厦门双瑞船舶涂料有限公司 | Thick-slurry type water-based wind power blade finish paint and preparation method thereof |
| CN114605903B (en) * | 2022-03-31 | 2024-01-05 | 厦门双瑞船舶涂料有限公司 | Thick slurry type water-based wind power blade finishing paint and preparation method thereof |
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| CN106243981B (en) | 2018-12-11 |
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