CN107936808A - A kind of high water-fast fluorocarbon coatings of anti-cavitation corrosion - Google Patents
A kind of high water-fast fluorocarbon coatings of anti-cavitation corrosion Download PDFInfo
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- CN107936808A CN107936808A CN201711233170.4A CN201711233170A CN107936808A CN 107936808 A CN107936808 A CN 107936808A CN 201711233170 A CN201711233170 A CN 201711233170A CN 107936808 A CN107936808 A CN 107936808A
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- parts
- fast
- high water
- fluorocarbon coatings
- cavitation
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Classifications
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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
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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
- C09D5/08—Anti-corrosive paints
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention discloses a kind of high water-fast fluorocarbon coatings of anti-cavitation corrosion, its raw material includes by weight：75 85 parts of major ingredient, 14 parts of composite toughing agent, 12 parts of propandiol butyl ether, 0.5 1.5 parts of 2-Butoxyethyl acetate, 12 parts of ethoxylated dodecyl alcohol, 28 parts of calcined kaolin, 14 parts of diatomite, 12 parts of zeolite powder, 24 parts of flyash, 1.5 2.5 parts of compatilizer, 12 parts of defoamer, 0.5 1.2 parts of thickener, 100 200 parts of deionized water.Gained film of the invention has high rigidity, high glaze and excellent water resistance, while toughness is fabulous, scratch-resistant, scratch-resistant excellent effect, surface flatness is high, and shock resistance effect is fabulous, and overcomes coating flowing hanging phenomenon, film salt water resistance, not blistering, non-corroding, resultant effect are good.
Description
Technical field
The present invention relates to technical field of coatings, more particularly to a kind of high water-fast fluorocarbon coatings of anti-cavitation corrosion.
Background technology
It is well known that propeller blade is subject to the destruction of cavitation corrosion, people, which constantly explore, in recent years suppresses cavitation erosion
Method, proposes that anti-cavitation corrosion coating material should have high obdurability, high fatigue resistance and good dynamic mechanical first
Can, absorbed using the elastic strain energy of material and produce huge impact force when buffering bubble collapse, so as to improve the anti-of coating
Cavitation-erosion behavior.
Fluorocarbon coatings have high adhesion force, tough and tensile, weather-proof, and resistant to chemical media is low temperature resistant, low-surface-energy and low rub
The bond energy of the advantages that wiping property, the impact failure of its distinctive viscoplasticity neutralizing vacuole, and fluorochemical urethane is higher to exist for a long time
It is stabilized in harsh cavitation corrosion environment.
But there are the shortcomings that poor water resistance, become to restrict its short slab developed for current aqueous fluorine-containing polyurethane coating.
The content of the invention
Based on technical problem existing for background technology, the present invention proposes a kind of high water-fast fluorochemical urethane of anti-cavitation corrosion and applies
Material, gained film has high rigidity, high glaze and excellent water resistance, while toughness is fabulous, scratch-resistant, scratch-resistant excellent effect,
Surface flatness is high, and shock resistance effect is fabulous, and overcomes coating flowing hanging phenomenon, film salt water resistance, not blistering, non-corroding,
Resultant effect is good.
The high water-fast fluorocarbon coatings of a kind of anti-cavitation corrosion proposed by the present invention, its raw material include by weight：Major ingredient 75-
85 parts, 1-4 parts of composite toughing agent, 1-2 parts of propandiol butyl ether, 0.5-1.5 parts of 2-Butoxyethyl acetate, lauryl alcohol polyethylene glycol oxide
1-2 parts of ether, 2-8 parts of calcined kaolin, 1-4 parts of diatomite, 1-2 parts of zeolite powder, 2-4 parts of flyash, 1.5-2.5 parts of compatilizer,
1-2 parts of defoamer, 0.5-1.2 parts of thickener, 100-200 parts of deionized water.
Preferably, composite toughing agent is prepared using following technique：Acrylic resin, microcrystalline cellulose, dimethyl sulfoxide are mixed
Close, heating is kneaded, and is added methyl methacrylate-butadiene-styrene terpolymer and is continued to be kneaded, extrusion obtains compound increasing
Tough dose.
Preferably, in the preparation process of composite toughing agent, acrylic resin, microcrystalline cellulose, dimethyl sulfoxide is mixed, risen
Warm to 170-190 DEG C mixing 5-15min.
Preferably, in the preparation process of composite toughing agent, add methyl methacrylate-butadiene-styrene ternary and be total to
Polymers continues to be kneaded 4-10min.
Preferably, in the preparation process of composite toughing agent, acrylic resin, microcrystalline cellulose, dimethyl sulfoxide, metering system
The weight ratio of sour methyl esters-butadiene-styrene terpolymer is 40-60：5-15：60-100：15-25.
Preferably, major ingredient includes by weight：40-80 parts of water-based hydroxyl fluorochemical urethane resin, aqueous epoxy resins 5-
14 parts.
Preferably, compatilizer includes by weight：0.2-1 parts of trimethylethoxysilane, (the dioctyl Jiao's phosphorus of isopropyl three
Sour acyloxy) 1-2 parts of titanate esters.
The present invention is compounded using water-based hydroxyl fluorochemical urethane resin, aqueous epoxy resins, and a large amount of hydrogen bonds are contained after curing
And cross-linked structure, make the present invention close to the high rigidity of solvent-based two-component polyurethane, high glaze and excellent water resistance, at the same it is tough
Fabulous, scratch-resistant, the scratch-resistant excellent effect of property.
In the composite toughing agent of the present invention, acroleic acid resin is grafted under the cooperation of dimethyl sulfoxide with microcrystalline cellulose, into
One step is grafted with methyl methacrylate-butadiene-styrene terpolymer, by means of intermolecular bonding force, is promoted not
Compatible two kinds of polymer is incorporated in one, and not only toughening effect is good, but also can improve water-based hydroxyl fluorochemical urethane resin, water
Property epoxy resin compatibility, not only good water-proof effect, and assign film excellent surface property, film coated surface smoothness pole
It is high；Matched somebody with somebody using calcined kaolin and tripolite compound, there is extremely strong weather resistance, and the combination power of ground is extremely strong, waterproof effect
Further enhance, coordinate trimethylethoxysilane, the effect of isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters, the third two
Under the action of alcohol butyl ether, 2-Butoxyethyl acetate, ethoxylated dodecyl alcohol, mixing uniformity is fabulous between raw material, and overcomes
Coating flowing hanging phenomenon, film salt water resistance, not blistering, non-corroding, resultant effect are good.
Embodiment
In the following, technical scheme is described in detail by specific embodiment.
Embodiment 1
A kind of high water-fast fluorocarbon coatings of anti-cavitation corrosion, its raw material include：Major ingredient 75g, composite toughing agent 4g, propane diols
Butyl ether 1g, 2-Butoxyethyl acetate 1.5g, ethoxylated dodecyl alcohol 1g, calcined kaolin 8g, diatomite 1g, zeolite powder
2g, flyash 2g, compatilizer 2.5g, defoamer 1g, thickener 1.2g, deionized water 100g.
Major ingredient includes：Water-based hydroxyl fluorochemical urethane resin 80g, aqueous epoxy resins 5g.Compatilizer includes：Trimethyl second
Oxysilane 1g, isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters 1g.
Composite toughing agent is prepared using following technique：By 60g acrylic resins, 5g microcrystalline celluloses, 100g dimethyl sulfoxides
Mixing, is warming up to 170 DEG C of mixing 15min, adds 15g methyl methacrylate-butadiene-styrene terpolymers and continue to mix
10min is refined, extrusion obtains composite toughing agent.
Embodiment 2
A kind of high water-fast fluorocarbon coatings of anti-cavitation corrosion, its raw material include：Major ingredient 85g, composite toughing agent 1g, propane diols
Butyl ether 2g, 2-Butoxyethyl acetate 0.5g, ethoxylated dodecyl alcohol 2g, calcined kaolin 2g, diatomite 4g, zeolite powder
1g, flyash 4g, compatilizer 1.5g, defoamer 2g, thickener 0.5g, deionized water 200g.
Major ingredient includes：Water-based hydroxyl fluorochemical urethane resin 40g, aqueous epoxy resins 14g.Compatilizer includes：Trimethyl
Ethoxysilane 0.2g, isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters 2g.
Composite toughing agent is prepared using following technique：By 40g acrylic resins, 15g microcrystalline celluloses, 60g dimethyl sulfoxides
Mixing, is warming up to 190 DEG C of mixing 5min, adds 25g methyl methacrylate-butadiene-styrene terpolymers and continue to mix
4min is refined, extrusion obtains composite toughing agent.
Embodiment 3
A kind of high water-fast fluorocarbon coatings of anti-cavitation corrosion, its raw material include：Major ingredient 78g, composite toughing agent 3g, propane diols
Butyl ether 1.2g, 2-Butoxyethyl acetate 1.2g, ethoxylated dodecyl alcohol 1.2g, calcined kaolin 6g, diatomite 2g, zeolite
Powder 1.8g, flyash 2.5g, compatilizer 2.2g, defoamer 1.2g, thickener 1g, deionized water 120g.
Major ingredient includes：Water-based hydroxyl fluorochemical urethane resin 70g, aqueous epoxy resins 6g.Compatilizer includes：Trimethyl second
Oxysilane 0.8g, isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters 1.2g.
Composite toughing agent is prepared using following technique：55g acrylic resins, 8g microcrystalline celluloses, 90g dimethyl sulfoxides are mixed
Close, be warming up to 175 DEG C of mixing 12min, add 18g methyl methacrylate-butadiene-styrene terpolymers and continue to be kneaded
8min, extrusion obtain composite toughing agent.
Embodiment 4
A kind of high water-fast fluorocarbon coatings of anti-cavitation corrosion, its raw material include：Major ingredient 82g, composite toughing agent 2g, propane diols
Butyl ether 1.8g, 2-Butoxyethyl acetate 0.8g, ethoxylated dodecyl alcohol 1.8g, calcined kaolin 4g, diatomite 3g, zeolite
Powder 1.2g, flyash 3.5g, compatilizer 1.8g, defoamer 1.8g, thickener 0.8g, deionized water 180g.
Major ingredient includes：Water-based hydroxyl fluorochemical urethane resin 50g, aqueous epoxy resins 12g.Compatilizer includes：Trimethyl
Ethoxysilane 0.4g, isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters 1.8g.
Composite toughing agent is prepared using following technique：By 45g acrylic resins, 12g microcrystalline celluloses, 70g dimethyl sulfoxides
Mixing, is warming up to 185 DEG C of mixing 8min, adds 22g methyl methacrylate-butadiene-styrene terpolymers and continue to mix
6min is refined, extrusion obtains composite toughing agent.
The high water-fast fluorocarbon coatings of the anti-cavitation corrosion of the gained of embodiment 4 are tested for the property, test result is following (wherein
Control group uses commercially available general aqueous polyurethane coating)：
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of high water-fast fluorocarbon coatings of anti-cavitation corrosion, it is characterised in that its raw material includes by weight：Major ingredient 75-85
Part, 1-4 parts of composite toughing agent, 1-2 parts of propandiol butyl ether, 0.5-1.5 parts of 2-Butoxyethyl acetate, ethoxylated dodecyl alcohol
1-2 parts, 2-8 parts of calcined kaolin, 1-4 parts of diatomite, 1-2 parts of zeolite powder, 2-4 parts of flyash, 1.5-2.5 parts of compatilizer, disappears
1-2 parts of infusion, 0.5-1.2 parts of thickener, 100-200 parts of deionized water.
2. the high water-fast fluorocarbon coatings of anti-cavitation corrosion according to claim 1, it is characterised in that composite toughing agent is using such as
It is prepared by lower technique：Acrylic resin, microcrystalline cellulose, dimethyl sulfoxide are mixed, heating is kneaded, addition methyl methacrylate-
Butadiene-styrene terpolymer continues to be kneaded, and extrusion obtains composite toughing agent.
3. the high water-fast fluorocarbon coatings of anti-cavitation corrosion according to claim 2, it is characterised in that the preparation of composite toughing agent
In technique, acrylic resin, microcrystalline cellulose, dimethyl sulfoxide are mixed, are warming up to 170-190 DEG C of mixing 5-15min.
4. the high water-fast fluorocarbon coatings of the anti-cavitation corrosion according to Claims 2 or 3, it is characterised in that composite toughing agent
In preparation process, add methyl methacrylate-butadiene-styrene terpolymer and continue to be kneaded 4-10min.
5. according to the high water-fast fluorocarbon coatings of any one of the claim 2-4 anti-cavitation corrosions, it is characterised in that composite toughening
In the preparation process of agent, acrylic resin, microcrystalline cellulose, dimethyl sulfoxide, methyl methacrylate-butadiene-styrene three
The weight ratio of membered copolymer is 40-60：5-15：60-100：15-25.
6. according to the high water-fast fluorocarbon coatings of any one of the claim 1-5 anti-cavitation corrosions, it is characterised in that major ingredient is by weight
Amount part includes：40-80 parts of water-based hydroxyl fluorochemical urethane resin, 5-14 parts of aqueous epoxy resins.
7. according to the high water-fast fluorocarbon coatings of any one of the claim 1-6 anti-cavitation corrosions, it is characterised in that compatilizer is pressed
Parts by weight include：0.2-1 parts of trimethylethoxysilane, 1-2 parts of isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711233170.4A CN107936808A (en) | 2017-11-30 | 2017-11-30 | A kind of high water-fast fluorocarbon coatings of anti-cavitation corrosion |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711233170.4A CN107936808A (en) | 2017-11-30 | 2017-11-30 | A kind of high water-fast fluorocarbon coatings of anti-cavitation corrosion |
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| CN107936808A true CN107936808A (en) | 2018-04-20 |
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| CN201711233170.4A Pending CN107936808A (en) | 2017-11-30 | 2017-11-30 | A kind of high water-fast fluorocarbon coatings of anti-cavitation corrosion |
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Cited By (2)
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| CN109488906A (en) * | 2018-11-19 | 2019-03-19 | 安徽蓝锐电子科技有限公司 | A kind of high heat radiation LED lamp preparation method for moist corrupt environment |
| CN110684456A (en) * | 2019-10-30 | 2020-01-14 | 中国科学院宁波材料技术与工程研究所 | Microcrystalline cellulose-fluorine modified polyurethane coating and preparation method and application thereof |
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| US20140127017A1 (en) * | 2011-07-05 | 2014-05-08 | Hafmex Invest Oy | The surface structure of windmill rotors for special circumstances |
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Cited By (3)
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Application publication date: 20180420 |