CN109486400A - A kind of PEEK modified polyurethane anti-corrosion radiation protection water paint of steel construction - Google Patents
A kind of PEEK modified polyurethane anti-corrosion radiation protection water paint of steel construction 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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- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- C08K2003/2272—Ferric oxide (Fe2O3)
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K3/00—Use of inorganic substances as compounding ingredients
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- C08K2003/385—Binary compounds of nitrogen with boron
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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Abstract
The present invention relates to a kind of PEEK modified polyurethane anti-corrosion radiation protection water paints of steel construction, are made of PEEK modified polyurethane water-base resin, cosolvent, antirust and radiation hardness pigments and fillers, nanometer radiation hardness material, auxiliary agent and deionized water；A kind of PEEK modified polyurethane anti-corrosion radiation protection water paint of steel construction is made in the present invention, coating have excellent adhesive force, radiation resistance, corrosion resistance, water resistance, wearability, humidity resistance, salt fog resistance, resistance to ag(e)ing, heat-resisting quantity, from anti-flammability and mechanical property, radiation hardness dosage > 10 × 109Gy, soil removal efficiency > 86%, LOCA test film are not fallen off.It can be used for radiation protection, anti-corrosion and the flameproof protection of the building steel structures such as nuclear power station, chemical industry, petroleum, electric power, metallurgy, ship, traffic, hospital, space flight, defense military and cement concrete.
Description
Technical field
It is anti-that the present invention relates to the PEEK modified polyurethanes of a kind of radiation protection water paint more particularly to a kind of steel construction
Rotten radiation protection water paint, belongs to aqueous functional coatings technical field.
Background technique
Radiation proof material has become a big project of current material subject, with various high radiation devices appearance and extensively
Using the research of radiation proof material has caused the common concern of people.Radiation is classified as after water source, greatly by the World Health Organization
The fourth-largest environomental pollution source after gas, noise, becomes the stealth " killer " for endangering human health, and protection radiation has become when business
It is anxious.Currently, radiation shielding coating is mostly using addition heavy metal or rare metal powder and its oxidation in coating composition
Object especially containing metallic compounds such as Ba, Pb, U, Lu, or uses composite deposite, but necessarily also brings constructional difficulties, adheres to
The defects of power is inadequate, while function is inadequate, thus radiation shielding coating is also only applied in some special industries and special dimension, and
Using less in the fields such as people's lives.
Currently, coating used in domestic nuclear power containment inner concrete surface protecting layer is mainly epoxy resin coating, because of it
It is widely applied with good antiseptic property, chemical stability, anti-nuclear radiation and good adhesive force.It is current anti-
Radiation paint is mostly solvent-based two-component epoxy coating, because its technical maturity, moderate cost, performance indexes preferably obtain
Generally use；But its volatile organic matter (VOC) content is higher, brings harm to the health, safety and environment of construction personnel, especially
It is nuclear power plant containment shell inside cabin, due to being closed wet environment, is not easy to distribute when the VOC content of coating is higher, band
Carry out many hidden danger, so, it is desirable that the VOC content of coating products used is reduced, aqueous radiation shielding coating comes into being.
Chinese patent CN 105820707A discloses a kind of radiation shielding coating and preparation method thereof of graphene doping,
Composition are as follows: matrix resin 40~70, graphene 0.1~0.5, octaphenyl amido polysilsesquioxane 0.1~0.5, Fe3O4Nanometer
Particle 1~5, Al2O3Nano powder 1~5, CaCO35.0~10, defoaming agent 0.5~1, dispersing agent 0.5~1, coalescing agent 0.5~
3.0, solvent 10~30；Preparation step are as follows: by component proportion graphene, Fe3O4Nanoparticle, Al2O3Nano powder and CaO3 are mixed
It closes, adds solvent and form component A；Defoaming agent, dispersing agent and coalescing agent are added to after being mixed in matrix resin and form B group
Point；Component A and B component are mixed into the radiation shielding coating up to graphene doping.The invented technology is simple, and radiation-proof effect is aobvious
It writes, is free of harmful element.
Chinese CN105670352A discloses a kind of high temperature resistant radiation shielding coating, consisting of: 10~15 parts of silica solution, swollen
10~15 parts of swollen graphite, 5~10 parts of carbon nanotube, 1~5 part of titanium dioxide, 5~10 parts of glass powder, 5~10 parts of talcum powder, mica
20~25 parts of powder, 0.5~3 part of hydroxypropyl methyl cellulose, 1~5 part of acrylic acid double cyclopentenyl oxygen ethyl ester and water 20~30
Part；The coating of the invention has excellent anti-corrosion, anti-radiation and antibacterial, fire-retardant, tolerance under the premise of keeping good adhesion
The characteristics such as high temperature, anti-cracking, storage stability.
Chinese CN105694677A discloses a kind of novolac epoxy resin anti-corrosion radiation shielding coating, it is consisting of: phenolic aldehyde
20~30 parts of epoxy resin, 10~15 parts of expanded graphite, 5~10 parts of carbon nanotube, 1~5 part of titanium dioxide, hydroxypropyl methyl fiber
Plain 0.5~3 part, 8~14 parts of glass powder, 20~25 parts of ceramic, 10~15 parts of perlite, acrylic acid double cyclopentenyl oxygen second
1~5 part and 20~30 parts of water of base ester；The coating of the invention has excellent anti-corrosion, prevents under the premise of keeping good adhesion
The characteristics such as radiation, antibacterial, fire-retardant, tolerance high temperature, anti-cracking, storage stability.
Chinese CN101245215A discloses a kind of radioresistant paint for nuclear power plant, component A percentage composition are as follows: amine sealing end
Aqueous amine-epoxy addition product 30~50%, pigment 20~40%, radiation hardness filler 5~15%, defoaming agent 0.05~0.5%,
Wetting dispersing agent 0.1~1%, cosolvent 1~10% and deionized water are surplus；B component percentage composition are as follows: epoxy-poly- third
Olefin(e) acid ester interpenetrating network polymer 40~60%, emulsifier 5~10% and deionized water are surplus；The weight of component A and B component
Than for 2.5~3.5:1；The aqueous amine-epoxy addition product percentage composition of amine sealing end in the component A: alkylene polyamines 8~
15%, monofunctional glycidol ether 5~12%, polyether polyol 5~15%, bisphenol A diglycidyl ether 10~20%, help
Solvent 10~20%, catalyst 0.1~1.0% and deionized water are surplus；Epoxy-polyacrylate in the B component is mutual
Network polymer percentage is worn to form: bisphenol A type epoxy resin 50~90%, acrylic ester monomer and styrene 10~
50%, initiator 0.3~1%；Emulsifier percentage composition in the B component: bisphenol A type epoxy resin 3~14%, polyethers
Polyalcohol 35~47%, catalyst 0.2~1% and deionized water are surplus；The radiation hardness filler is by titanium dioxide, iron oxide
Red, calcium carbonate, talcum powder, potassium titanate crystal whisker composition.The radiation resistant coating of invention preparation is at low cost, nontoxic, safe, radiation hardness
Performance is good, temperature tolerance is good, soil release performance is good, when applying 80 μm of thickness, 8.5 × 105Coating is intact under Gy dose of radiation, no powder
The damage phenomenon such as change, peeling, blistering, cracking, soil removal efficiency reach 97% or more.
Chinese CN102850910A discloses a kind of steel construction Nuclear radiation-resistant coating, consisting of: epoxy resin 100
Part, 20~60 parts of modifying epoxy resin by organosilicon, 50~80 parts of radiation hardness filler, 30~60 parts of diluent, processing aid 2~5
Part；The mass fraction ratio of 25~50 parts of curing agent, 1~3 part of coupling agent, host agent and curing agent is 6~11:1；The resistance to core of the invention
Radiation paint has excellent radiation resistance, soil release performance, while the harmful substance of pollution environment will not be precipitated.
Chinese CN101781509A discloses a kind of two-component water epoxy radiation-resistant paint for nuclear power station, component A
Percentage composition are as follows: aqueous amine-epoxy addition product 30~50%, the pigment 20~40% of amine sealing end, filler 5~15%, defoaming
Agent 0.05~0.5%, wetting dispersing agent 0.1~1.0%, cosolvent 1.0~10%, deionized water are surplus；B component percentage
Composition: epoxy-polyacrylate interpenetrating net polymer 40~60%, emulsifier 5~10%, deionized water are surplus；A:B
Weight ratio is 2.5~3.5:1；The coating environmental protection of the invention, the requirement for reaching nuclear power station nuclear leve coating simultaneously pass through simulation DBA examination
It tests.
Above-mentioned radiation shielding coating is made of radiation protection filler with film forming binder, and shielding property is mainly by radiation protection filler
Composition, film forming binder is mostly epoxylite, but shielding property is not met by the high stringency requirement of nuclear power station.At present
For the shielding property research of film forming binder or blank, therefore, it is aobvious to develop a kind of total system, multi-functional radiation shielding coating
It obtains particularly important.
Summary of the invention
The present invention provides a kind of PEEK modified polyurethane anti-corrosion radiation protection water paint of steel construction.
The present invention uses PEEK modified aqueous polyurethane resin, in polyurethane resin molecular skeleton containing ketonic bond and
The repetitive unit of two ehter bonds, PEEK structure have an anti alpha, β, γ, X-ray effect, maximum radiation hardness dosage for 1.1 ×
109Gy, the polystyrene material (1.0 × 10 best more than radiation hardness generally acknowledged at present9Gy), tensile strength be 132~
148MPa, therefore, PEEK modified waterborne polyurethane resin can effectively improve the adhesive force of film, radiation resistance, corrosion-resistant
Property, heat-resisting quantity, water vapor resistance, resistance to ag(e)ing, humidity resistance, wearability, antistatic property, from anti-flammability and mechanical property.
In order to solve the problems, such as that techniques as described above, the present invention take following technical scheme: the present invention relates to a kind of steel knots
The PEEK modified polyurethane anti-corrosion radiation protection water paint of structure, by weight percentage, consisting of: PEEK modified polyurethane
Water-base resin 35.0~60.0%, cosolvent 2.0~10.0%, antirust and radiation hardness pigments and fillers 25~50%, nanometer radiation hardness
Material 3.0~15.0%, auxiliary agent 1.0~10.0%, deionized water to 100%.
Wherein, the cosolvent is at least one of alcohols solvent, alkoxide, alcohol ethers solvent.
The antirust and radiation hardness pigments and fillers are trbasic zinc phosphate, organically-modified trbasic zinc phosphate, zinc borate, iron oxide red, silicochromium acid
Zinc, strontium chromate, barium chromate, graphite powder, carbon black, titanium dioxide, barium metaborate, talcum powder, mica powder, kaolin, bentonite, borax
One or more of combination.
The nanometer radiation hardness material is nano-TiO2, nanometer Al2O3, nanometer Fe2O3, nanometer WO3, nanometer LaB6, nanometer
SnO2, nanometer BN, ZnOw, potassium titanate crystal whisker, carbon nanotube, at least one of graphene.
The auxiliary agent include at least dispersing agent, substrate wetting agents, defoaming agent, levelling agent, anti-settling rheological agent, coupling agent, at
Film auxiliary agent, anti-flash rusting agent, at least two or more in pH adjusting agent.
The PEEK modified polyurethane water-base resin, patent of invention " a kind of polyether-ether-ketone modified polyurethane based on application
Described in water-base resin and preparation method ", according to parts by weight, ingredient are as follows: 10.0~20.0 parts of amine modified polyether ether ketones,
20.0~30.0 parts of oligomer polyols, 10.0~30.0 parts of diisocyanate, 3.0~6.0 parts of hydrophilic modifiers, diluents
10.0~20.0 parts, 0.03~0.3 part of catalyst, 2.0~8.0 parts of small molecular alcohol chain extenders, 2.0~5.0 parts of triethylamines, 0.8
~2.0 parts of organic amine chainextenders, 120.0~180.0 parts of deionized waters.
The PEEK modified polyurethane water-base resin, preparation step are as follows:
A) in N2Protection and stirring condition under, sequentially added into reaction unit diisocyanate, amine modified polyether ether ketone,
Oligomer polyol, hydrophilic modifier react 1~3h, sample detection, as measured-NCO at 70~100 DEG C of temperature of control
When value reaches the theoretical value of defined, it is cooled to 60~80 DEG C of stopping reactions；
B) diluent regulation system viscosity is added, is that 500~600rpm is added with stirring small molecular alcohol chain extender in revolving speed
Chain extending reaction is carried out with catalyst, starts after 1h to sample when measured-nco value reaches the theoretical value of defined, be cooled to
Room temperature stops reaction, obtains modified polyurethane prepolymer；
C) in the case where being kept stirring revolving speed and room temperature, triethylamine is added, reacts 10~20min；It is subsequently added into 80~90%
Deionized water improves revolving speed to 1000~1500rpm later and emulsifies 10~30min, and reduction speed of agitator is 500~600rpm；
Organic amine expanding chain pharmaceutical solution is dripped in 10~30min (organic amine chainextender is dissolved into 10~20% deionization in advance
In water), 1~2h of chain extending reaction is carried out in water phase；Then it is evaporated under reduced pressure out solvent, obtains the aqueous tree of PEEK modified polyurethane
Rouge.
The oligomer polyol is polyester polyol polyether polyol；The polyester polyol is polybutyleneadipate
At least one of ester dihydric alcohol, polycarbonate glycol, polycaprolactone diols, number-average molecular weight Mn be 1000~
3000；The polyether polyol be polytetrahydrofuran ether glycol, polytetramethylene ether diol, in polyoxypropylene glycol extremely
Few one kind, number-average molecular weight Mn are 1000~3000.
The diisocyanate is at least one of HDI, MDI, IPDI, HMDI.
The hydrophilic modifier is 2 hydroxy propanoic acid, 2-Pyrrolidone, 3- hydracrylic acid, at least one in 2- hydroxybutyric acid
Kind.
The diluent is at least one of acetone, butanone or N-Methyl pyrrolidone.
The catalyst is dibutyl tin dilaurate, lithium acetate, three normal-butyl phosphorus, stannous octoate, aphthenic acids tin, cycloalkanes
At least one of lead plumbate, cobalt naphthenate, dibutyitin maleate, dibutyltin diacetate.
The small molecular alcohol chain extender is ethylene glycol, 1,2- propylene glycol, 1,4- butanediol, 1,6-HD, 1,5- penta 2
At least one of alcohol, trimethylolpropane, neopentyl glycol, diethylene glycol (DEG).
Organic amine chainextender is at least one of ethylenediamine, diethylenetriamine, hexamethylene diamine, piperazine.
A kind of PEEK modified polyurethane anti-corrosion radiation protection water paint of steel construction produced by the present invention, coating have excellent
Different adhesive force, radiation resistance, corrosion resistance, water resistance, wearability, humidity resistance, salt fog resistance, resistance to ag(e)ing, high temperature resistant
Property, from anti-flammability and mechanical property, radiation hardness dosage is greater than 10 × 109Gy, soil removal efficiency are greater than 86%, LOCA test film not
It falls off.It can be used for the buildings steel such as nuclear power station, chemical industry, petroleum, electric power, metallurgy, ship, traffic, hospital, space flight, defense military
Radiation protection, anti-corrosion and the flameproof protection of structure and cement concrete.
Specific embodiment
The present invention with the following Examples to the PEEK modified polyurethane anti-corrosion radiation protection water paint of steel construction do into
The description of one step.It is understood that specific embodiment described herein is used only for explaining related invention, rather than to the invention
Restriction.
Embodiment 1
A kind of PEEK modified polyurethane anti-corrosion radiation protection water paint of steel construction, by weight, consisting of:
A42.0 parts of PEEK modified polyurethane water-base resin, 2.5 parts of dipropylene, 1.5 parts of dispersing agent, 7.0 parts of trbasic zinc phosphate, metatitanic acid
10.0 part, nanometer LaB of potassium whisker63.0 parts, 1.0 parts of silane coupling agent, 12.0 parts of mica powder, 8.0 parts of talcum powder, levelling agent
0.1 part, 0.2 part of defoaming agent, 2.0 parts of organobentonite, 0.1 part of pH adjusting agent, 10.6 parts of deionized water；
Wherein, the PEEK modified polyurethane water-base resin A is that " a kind of polyether-ether-ketone modified polyurethane is aqueous for patent of invention
Described in embodiment 4 in resin and preparation method ".
Embodiment 2
A kind of PEEK modified polyurethane anti-corrosion radiation protection water paint of steel construction, by weight, consisting of:
40.0 parts of PEEK modified polyurethane water-base resin B, 2.0 parts of propylene glycol monomethyl ether, 1.6 parts of dispersing agent, 8.0 parts of trbasic zinc phosphate, zinc borate
6.0 parts, 10.0 part, nanometer WO of potassium titanate crystal whisker32.0 parts, 1.0 parts of silane coupling agent, 10.0 parts of mica powder, talcum powder 6.0
Part, 0.1 part of levelling agent, 0.2 part of defoaming agent, 3.0 parts of organobentonite, 0.1 part of pH adjusting agent, 10.0 parts of deionized water；
Wherein, the PEEK modified polyurethane water-base resin B is that " a kind of polyether-ether-ketone modified polyurethane is aqueous for patent of invention
Described in embodiment 5 in resin and preparation method ".
Embodiment 3
A kind of PEEK modified polyurethane anti-corrosion radiation protection water paint of steel construction, by weight, consisting of:
50.0 parts of PEEK modified polyurethane water-base resin C, it 3.0 parts of dipropylene, 8.0 parts of barium metaborate, 5.0 parts of trbasic zinc phosphate, receives
Rice Fe2O36.0 2.0 parts of part, nanometer BN, 7.5 parts of mica powder, 5.0 parts of kaolin, 0.1 part of levelling agent, 1.5 parts of dispersing agent, silicon
1.0 parts of alkane coupling agent, 0.1 part of defoaming agent, 1.5 parts of anti-settling agent, 0.1 part of pH adjusting agent, 9.2 parts of deionized water；
Wherein, the PEEK modified polyurethane water-base resin C is that " a kind of polyether-ether-ketone modified polyurethane is aqueous for patent of invention
Described in embodiment 6 in resin and preparation method ".
Comparative example
A kind of epoxy modified polyurethane anti-corrosion radiation protection water paint, by weight, consisting of: epoxy-modified poly- ammonia
42.0 parts of ester lotion, 2.5 parts of dipropylene, 1.5 parts of dispersing agent, 7.0 parts of trbasic zinc phosphate, potassium titanate crystal whisker 10.0 part, nanometer
LaB63.0 parts, 1.0 parts of silane coupling agent, 12.0 parts of mica powder, 8.0 parts of talcum powder, 0.1 part of levelling agent, 0.2 part of defoaming agent,
2.0 parts of organobentonite, 0.1 part of pH adjusting agent, 10.6 parts of deionized water.
According to standard requirements making sheet, plate size is 15cm × 7.5cm × 0.3cm, and surface of steel plate is through oil removing, blasting treatment
Afterwards, under 23 ± 2 DEG C and 50% relative humidity, epoxy primer, thickness of dry film 50mm are first sprayed；Spray afterwards for 24 hours 2 embodiments and
Coating obtained in comparative example, the 1st thickness of dry film are 60mm, and the 2nd thickness of dry film of spraying is 60mm afterwards for 24 hours, in standard ring
It is to be measured after dry 14d under border.
Template is detected according to relevant criterion, the performance indicator of detection is as shown in table 1.
Table 1: modified polyurethane anti-corrosion radiation protection water paint performance technologies index
Although the present invention has described it in detail and cited embodiments, but for those of ordinary skill in the art, show
Various schemes, modification and the change that can so make as specified above, should be construed as being included within the scope of the claims.
Claims (7)
1. a kind of PEEK modified polyurethane anti-corrosion radiation protection water paint of steel construction, which is characterized in that the PEEK is modified
Polyurethane anticorrosion radiation protection water paint, consisting of: PEEK modified polyurethane water-base resin 35.0~60.0%, cosolvent
2.0~10.0%, antirust and radiation hardness pigments and fillers 25~50%, nanometer radiation hardness material 3.0~15.0%, auxiliary agent 1.0~
10.0%, deionized water is to 100%；
Wherein, the antirust and radiation hardness pigments and fillers are trbasic zinc phosphate, organically-modified trbasic zinc phosphate, zinc borate, iron oxide red, silicochromium acid
Zinc, strontium chromate, barium chromate, graphite powder, carbon black, titanium dioxide, barium metaborate, talcum powder, mica powder, kaolin, bentonite, borax
One or more of combination；The nanometer radiation hardness material is nano-TiO2, nanometer Al2O3, nanometer Fe2O3, nanometer WO3、
Nanometer LaB6, nano SnO2, nanometer BN, ZnOw, potassium titanate crystal whisker, carbon nanotube, at least one of graphene；
The PEEK modified polyurethane water-base resin, according to parts by weight, ingredient are as follows: 10.0~20.0 parts of amine modified polyether ethers
Ketone, 20.0~30.0 parts of oligomer polyols, 10.0~30.0 parts of diisocyanate, 3.0~6.0 parts of hydrophilic modifiers, 10.0
~20.0 parts of diluents, 0.03~0.3 part of catalyst, 2.0~8.0 parts of small molecular alcohol chain extenders, 2.0~5.0 parts of triethylamines,
0.8~2.0 part of organic amine chainextender, 120.0~180.0 parts of deionized waters；Its preparation step is as follows:
A) in N2Under protection and stirring condition, diisocyanate, amine modified polyether ether ketone, oligomeric is sequentially added into reaction unit
Object polyalcohol, hydrophilic modifier react 1~3h, sample detection, when measured-nco value reaches at 70~100 DEG C of temperature of control
To defined theoretical value when, be cooled to 60~80 DEG C of stoppings reaction；
B) diluent regulation system viscosity is added, is that 500~600rpm is added with stirring small molecular alcohol chain extender and urges in revolving speed
Agent carries out chain extending reaction, starts after 1h to sample when measured-nco value reaches the theoretical value of defined, is cooled to room temperature
Stop reaction, obtains modified polyurethane prepolymer；
C) organic amine chainextender is dissolved into 10~20% deionized water for use in advance；It is being kept stirring revolving speed and room temperature
Under, triethylamine is added, reacts 10~20min；Be subsequently added into 80~90% deionized water, improve later revolving speed to 1000~
1500rpm emulsifies 10~30min, and reduction speed of agitator is 500~600rpm；Organic amine chain extension is dripped in 10~30min
Agent solution carries out 1~2h of chain extending reaction in water phase；Then it is evaporated under reduced pressure out solvent, it is aqueous to obtain the PEEK modified polyurethane
Resin.
2. the PEEK modified polyurethane anti-corrosion radiation protection water paint of steel construction according to claim 1, feature exist
In the cosolvent is at least one of alcohols solvent, alkoxide, alcohol ethers solvent.
3. the PEEK modified polyurethane anti-corrosion radiation protection water paint of steel construction according to claim 1, feature exist
In the auxiliary agent includes at least dispersing agent, substrate wetting agents, defoaming agent, levelling agent, anti-settling rheological agent, coupling agent, anti-flash rusting
At least two or more in agent, pH adjusting agent.
4. the PEEK modified polyurethane anti-corrosion radiation protection water paint of steel construction according to claim 1, feature exist
In the diisocyanate is at least one of HDI, MDI, IPDI, HMDI.
5. the PEEK modified polyurethane anti-corrosion radiation protection water paint of steel construction according to claim 1, feature exist
In the oligomer polyol is polyester polyol or polyether polyol；The polyester polyol is poly adipate succinic acid ester
At least one of dihydric alcohol, polycarbonate glycol, polycaprolactone diols, number-average molecular weight Mn are 1000~3000；
The polyether polyol is polytetrahydrofuran ether glycol, polytetramethylene ether diol, at least one in polyoxypropylene glycol
Kind, number-average molecular weight Mn is 1000~3000.
6. the PEEK modified polyurethane anti-corrosion radiation protection water paint of steel construction according to claim 1, feature exist
In the diluent is at least one of acetone, butanone or N-Methyl pyrrolidone；The catalyst is two fourth of tin dilaurate
Ji Xi, lithium acetate, three normal-butyl phosphorus, stannous octoate, aphthenic acids tin, lead naphthenate, cobalt naphthenate, dibutyitin maleate, two
At least one of dibutyltin diacetate.
7. the PEEK modified polyurethane anti-corrosion radiation protection water paint of steel construction according to claim 1, feature exist
In the small molecular alcohol chain extender is ethylene glycol, 1,2-PD, 1,4-butanediol, 1,6- hexylene glycol, 1,5-PD, three
At least one of hydroxymethyl-propane, neopentyl glycol, diethylene glycol (DEG)；Organic amine chainextender be ethylenediamine, diethylenetriamine, oneself two
At least one of amine, piperazine.
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| CN110739092A (en) * | 2019-10-25 | 2020-01-31 | 洛阳市琦安科技有限公司 | nuclear radiation curing pressing decontamination functional material |
| CN110862708A (en) * | 2019-11-22 | 2020-03-06 | 中国兵器工业第五九研究所 | Flame-proof cutting coating for special carriage or shelter |
| CN111171708A (en) * | 2020-02-22 | 2020-05-19 | 东莞市鹏威能源科技有限公司 | High-temperature-resistant graphene rapid heat-dissipation anticorrosive paint and preparation method and application thereof |
| CN111197343A (en) * | 2020-03-25 | 2020-05-26 | 广东荣潮拓展建设有限公司 | Drainage pipeline installation process |
| CN112662165A (en) * | 2020-12-21 | 2021-04-16 | 安徽凯沃科技有限公司 | Polyurethane mountain rock bulletproof radiation-proof wallboard |
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