CN101230224A - Fluorosilicone rubber nano composite alloy three-proof paint and production method thereof - Google Patents
Fluorosilicone rubber nano composite alloy three-proof paint and production method thereof Download PDFInfo
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Abstract
The invention discloses a fluorosilicone rubber nano-composite alloy triplicate-prevention paint and the production method. The organic silicon provided with hydroxyl is introduced into the carbon resin, and is dispersed into resin polymerize and cross-linked by a variety of polymer resin via nano-particle which is processed by nano-dispersion solution; and then the fluorosilicone rubber nano-composite alloy triplicate-prevention paint which can resist salt spray, acid, alkali and impact; has strong adhesive attraction, strong resistance to elements, and heavy corrosion resistance; can prevent pollution flashover , and can drain for anti-icing is produced by modifying the obtained resin. The invention has high reaction energy and ultra-low surface energy, can resist chemical corrosion and electrochemical corrosion, has ability for resisting strong corrosion medium, has strong adhesive attraction and high reliability between paint film layers, can prevent water, oxygen and other corrosion mediums from destructing, can resist ultraviolet radiation, can resist temperature change, has super resistance to elements, has long coating maintenance usage duration, and is applicable to bad weather conditions and all kinds of strong corrosive environments.
Description
Technical field:
The invention provides a kind of Fluorosilicone rubber nano composite alloy three-proof paint, also disclose its production method simultaneously, be used for anticorrosion, the anti-pollution flashover on electrical means surface, hydrophobic anti-icing protection, belong to the guard technology field of electric installation.
Background technology
Because the dunghill that various source of pollution give off is deposited in the surface of electrical apparatus external insulation, when running into meteorological conditionss such as rain, mist, behind the moisture in these dunghills absorption damp atmospheres, power equipment external insulation intensity is sharply descended, until bearing the insulation flashover that does not live operating voltage and take place.The loss that causes is huge.Fluorine silicon nano composite alloy type three-resistance coating is the product of a kind of superior materials, scientific formulation, excellent performance.Coating internal structure ideal, filler particles are evenly distributed after solidifying, the migration of hydrophobic group is unobstructed, coatingsurface is bright and clean.Have remarkable hydrophobic nature and migration of hydrophobicity, good anti-galvanic corrosion, heavy anticorrosion, anti-pollution flashover, hydrophobic anti-icing, coatingsurface are brighter and cleaner, physical strength and ageing-resistant more advantages of higher.
Summary of the invention:
The present invention discloses a kind of Fluorosilicone rubber nano composite alloy three-proof paint, has solved present similar coating and other coating problem in application postadhesion power, salt spray resistance, moisture-proof heat, acidproof, alkaline-resisting, anticorrosion, anti-pollution flashover, hydrophobic anti-icing difference.
The present invention also provides the production method of Fluorosilicone rubber nano composite alloy three-proof paint, is applicable to suitability for industrialized production.
Technology of the present invention solves as follows: with organosilicon, the nano-powder through nano dispersion fluid was handled is distributed in the resin of various kinds of resin polymerization crosslinking, and it is carried out modification.
Its prescription is mainly made by following materials of weight proportions: (mark ratio by weight)
Described organosilicon: 0.5-15; Nano-powder: 0.1-10; Nano dispersion fluid 0.05-25; Compound resin 60-100; Organic solvent 5-50.
Described nano-powder alloy is selected from one or more in the following raw material: (1) nano titanium oxide (2) nano silicon (3) nano-aluminium oxide (4) nano-calcium carbonate (5) nano aluminium oxide (6) nano zine oxide (7) nanometer ferric oxide.
Described organic solvent is selected from one or more in the following raw material.：
(1) ether-ether class: as propylene glycol monobutyl ether acetate, propylene-glycol ethyl ether acetic ester etc.;
(2) ketone: as mibk, acetone, cyclohexanone etc.;
(3) alcohols: as butanols, ethanol, Virahol etc.;
(4) ethers: as ethylene glycol monobutyl ether, propylene glycol monobutyl ether etc.
Described compound resin is selected from one or more in the following raw material: amino (3) formaldehyde (4) epoxy (5) phenolic aldehyde (6) fluorine carbon (7) polyester (8) viton of (1) vinylformic acid (2).
Described nano dispersion fluid auxiliary agent is selected from one or more in the following raw material: (1) organo-silicon coupling agent comprises KH-550, KH-560; (2) the organic titanium coupling agent comprises KHT-203, KHT-301, KHT-303, KHT-305; (3) the organoaluminum coupling agent comprises DL-411, XL-95.
Described organosilicon is selected from one or more in the following raw material: other contains the active organosilicon macromole of unsaturated double-bond (1) hydroxyl polysiloxane (2) vinyltriethoxysilane (3).
Concrete production technique may further comprise the steps:
1, the preparation of compound resin: take by weighing resin according to the above ratio, this ratio resin intensification limit in limit in reactor is stirred, 60 ℃-250 ℃ of temperature, revolution is 120-800 rev/min, be warming up to 60 ℃-250 ℃ after, the additional proportion organosilicon, constant temperature stirred 4-8 hour, left standstill 12-24 hour, and adjusted pH value 7.5-12, make compound resin.
2, nano-powder dispersion liquid preparation: take by weighing the organic salt coupling agent according to the above ratio, this ratio organic salt coupling agent liquid intensification limit in limit in reactor is stirred, temperature is at 40 ℃-90 ℃, revolution is 500-1200 rev/min, constant temperature stirred 10-60 minute, added nano-powder again behind the adding organic solvent, and nano-powder must carry out heating under vacuum, the pre-treatment of drying before adding, vacuum tightness should be at 3-6Pa, and temperature is at 80 ℃-150 ℃; The nano-powder dispersion liquid of adjusting, blending is at room temperature disperseed time 4-10 hour.
3, nano dispersion fluid is added in the compound resin, 40 ℃-80 ℃, revolution is 600-1200 rev/min, time 2-4 hour.
4, after normal temperature left standstill 8-12 hour, sand milling, dispersion, filtration promptly got coating of the present invention.
Positively effect of the present invention is: adopt organosilicon, nano-powder after the coupling agent dispersion treatment, in the resin of dosing crosslinking polymerization, make sticking power, salt spray resistance, moisture-proof heat, acidproof, alkaline-resisting, antiseptic property is good, the Fluorosilicone rubber nano composite alloy three-proof paint of anti-pollution flashover, hydrophobic anti-icing performance excellence.Have high reaction energy and ultra-low surface energy.Chemicals-resistant corrosion and galvanic corrosion have the ability of opposing strong corrosive medium.Strong adhesion, reliability height between paint film layer, the destruction that stops water, oxygen and other corrosive medium.Uvioresistant, temp. variation resistant, super-weathering resistance, coating safeguard that the usage period is long.Be applicable to adverse weather condition and various strong corrosive environment.
So Fluorosilicone rubber nano composite alloy three-proof paint has special performance, be because the strong electronegativity of F atom, the C-F bond dissociation energy is very big, reach 116Kcal/mol, be distributed on C chain F atom all around shape chain structure in the shape of a spiral, this structure makes the C-F macromole extremely strong resistance, weather resisteant be arranged, have very low surface energy again, makes the C-F compound show hydrophobic, oil repellency, and the ability of very strong opposing pickup is arranged.
The organosilicon that will have hydroxyl is introduced in the fluorocarbon resin, and organosilicon is a kind of half inorganic macromolecule compound.The silica electronegativity is big, thereby thermotolerance, and oxygen resistence and weathering resistance are good.Also shape structure in the shape of a spiral of silica molecule in addition, methyl is outwards arranged and around the rotation of Si-O key, molecular volume is big, and force of cohesion density is low.The Si-O bond energy is big, and molecular chain is flexible big, and surface energy is low, and bond energy is than low characteristics, thereby has strengthened fluorocarbon coating greatly, hydrophobic, hates oil, anti-stick dirty characteristic.Improved the fluorocarbon coating use properties greatly.
Embodiment:
By following examples the present invention is described for example further, and do not limit the present invention in any way, under the prerequisite that does not deviate from technical solution of the present invention, any change or change that those of ordinary skills that the present invention did are realized easily all will fall within the claim scope of the present invention.
Embodiment 1
Get trifluoropropyl siloxane solution 10-40 kilogram; Get acrylic resin 20-45 kilogram; Aminoresin 20-35 kilogram; Resins, epoxy 10-20 kilogram, with this ratio resin warming while stirring in reactor, after 60 ℃-250 ℃ of the temperature, revolution is 120-800 rev/min, be warming up to 60 ℃-250 ℃ after, add 0.5-5 kilogram hydroxyl polysiloxane, constant temperature stirred 4-8 hour, left standstill 12-24 hour, and adjusted pH value 7.5-12, make compound resin.
Embodiment 2
Get trifluoropropyl siloxane solution 10-40 kilogram; Get vibrin 10-40 kilogram; Resol 10-30 kilogram; Resins, epoxy 10-40 kilogram, with this ratio resin warming while stirring in reactor, 60 ℃-250 ℃ of temperature, revolution is 120-800 rev/min, be warming up to 60 ℃-250 ℃ after, add 0.5-5 kilogram organosilicon vinyltriethoxysilane, constant temperature stirred 4-8 hour, left standstill 12-24 hour, and adjusted pH value 7.5-12, make compound resin.
Embodiment 3
Get trifluoropropyl siloxane solution 10-40 kilogram; Get vibrin 10-40 kilogram; Resol 10-30 kilogram; Formaldehyde resin 10-40 kilogram, with this ratio resin warming while stirring in reactor, 60 ℃-250 ℃ of temperature, revolution is 120-800 rev/min, be warming up to 60 ℃-250 ℃ after, add the 0.5-5 organosilicon, constant temperature stirred 4-8 hour, left standstill 12-24 hour, and adjusted pH value 7.5-12, make compound resin.
Embodiment 4
Get trifluoropropyl siloxane solution 10-40 kilogram; Fluorocarbon resin 10-70 kilogram; Amino 10-45 kilogram, with this ratio resin warming while stirring in reactor, 60 ℃-250 ℃ of temperature, revolution is 120-800 rev/min, after being warming up to 60 ℃-250 ℃, add the 0.5-5 organosilicon, constant temperature stirred 4-8 hour, left standstill 12-24 hour, and adjusted pH value 7.5-12, make compound resin.
Embodiment 5
Get 5 kilograms of propylene-glycol ethyl ether acetic esters; 15 kilograms in acetone; 10 kilograms of pimelinketone; 25 kilograms in butanols; 12 kilograms of Virahols; 12 kilograms of ethylene glycol monobutyl ethers, at room temperature mixing and stirring is made solvent.
Embodiment 6
With 1 kilogram of organic titanium coupling agent KH-550 and 2 kilograms of organoaluminum coupling agent DL-411, put into high speed agitator, stir on intensification limit, limit, and revolution is 500-1200 rev/min, is warming up to 40 ℃-80 ℃, and constant temperature stirred 10-20 minute, made nano dispersion fluid.
Embodiment 7
With 1 kilogram of organic titanium coupling agent KHT-301 and 2 kilograms of organoaluminum coupling agent DL-411, put into high speed agitator, stir on intensification limit, limit, and revolution is 500-1200 rev/min, is warming up to 40 ℃-80 ℃, and constant temperature stirred 10-20 minute, made nano dispersion fluid.
Embodiment 8
With 2 kilograms of organo-silicon coupling agent KH-560 and 2 kilograms of organic titanium coupling agent KHT-303, put into high speed agitator, stir on intensification limit, limit, revolution is 500-1200 rev/min, be warming up to 40 ℃-80 ℃ after, constant temperature stirs the 10-20 branch, makes the nano-powder dispersion liquid.
Embodiment 9
3 kilograms of nano silicons are blended into 1.5 kilograms of embodiment 6 (nano-powder dispersion liquid), in the mixed solution of 30 kilograms of embodiment 5 solvents, with the nano-powder mixed solution of converting at room temperature disturb by making noise mill, disperseed 4-8 hour, it is qualified observing no nanometer agglomerated particles in opticmicroscope.Scattered nano-silicon dispersion liquid is blended among 100 kilograms of the embodiment 1 (compound resin), normal temperature high-speed stirring, dispersion, revolution are 800-1600 rev/min, and stirring, jitter time are the 40-120 branch, adjust pH value 7.5-12, Fluorosilicone rubber nano composite alloy three-proof paint.
| Solids content | ％ | ≥50 |
| Viscosity | Be coated with-425 ℃ | 50±5 |
| Acid number | MgkoH/g | 6.0±0.5 |
| Gloss | Gloss %60 degree | 40-80 |
| Salt spray resistance | The paint film no change | 2000 hours |
| Acidproof | 10％H 2SO 4 | No change |
| Alkaline-resisting | 10％NaOH | The slight variation |
| Artificial ageing resistance | 2000 hours loss of gloss rate % | 5-11 |
| Variable color in 2000 hours | 2 grades of variable colors (aberration 3.3-4.1) |
Fluorosilicone rubber nano composite alloy three-proof paint of the present invention, show have the power frequency of coating insulator to do (mean value 80.3), wet flash-over voltage (mean value 47.7) and be not less than that no coating insulator power frequency is done (mean value 77.8), wet flashover is a pressure (mean value 45.6) through simultaneous test; The artificial pollution test, it is 2.35＞2.0 that the coating insulator pollution flashover voltage (mean value 29.4) and the ratio of no coating insulator pollution flashover voltage (mean value 12.5) are arranged.This coating tries the technical requirements that item satisfies related standards.
Embodiment 10
2 kilograms of nano-aluminium oxide powder are blended into 2.5 kilograms of embodiment 7 (nano-powder dispersion), in the mixed solution of 30 kilograms of embodiment 5 solvents, the nano-powder mixed solution of converting is at room temperature carried out sand milling, disperseed 4-8 hour, and it is qualified observing no nanometer agglomerated particles in opticmicroscope.Scattered nano-silicon dispersion liquid is blended among 100 kilograms of the embodiment 2 (compound resin), normal temperature high-speed stirring, dispersion, revolution are 800-1600 rev/min, and stirring, jitter time are the 40-120 branch, adjust pH value 7.5-12, promptly become Fluorosilicone rubber nano composite alloy three-proof paint.The performance index that this Recipe process makes are as follows:
| Solids content | ％ | ≥50 |
| Viscosity | Be coated with-425 ℃ | 50±5 |
| Acid number | MgkoH/g | 6.0±0.5 |
| Gloss | Gloss %60 degree | 40-80 |
| Salt spray resistance | The paint film no change | 2000 hours |
| Acidproof | 10％H 2SO 4 | No change |
| Alkaline-resisting | 10％NaOH | The slight variation |
| Artificial ageing resistance | 2000 hours loss of gloss rate % | 5-11 |
| Variable color in 2000 hours | 2 grades of variable colors (aberration 3.3-4.1) |
Fluorosilicone rubber nano composite alloy three-proof paint of the present invention, show have the power frequency of coating insulator to do (mean value 80.3), wet flash-over voltage (mean value 47.7) and be not less than that no coating insulator power frequency is done (mean value 77.8), wet flashover is a pressure (mean value 45.6) through simultaneous test; The artificial pollution test, it is 2.35＞2.0 that the coating insulator pollution flashover voltage (mean value 29.4) and the ratio of no coating insulator pollution flashover voltage (mean value 12.5) are arranged.This coating tries the technical requirements that item satisfies related standards.
Embodiment 11
1 kilogram of nanometer titanium dioxide titanium valve is blended into 3.8 kilograms of embodiment 8 (nano-powder dispersion), in the mixed solution of 30 kilograms of embodiment 5 solvents, the nano-powder mixed solution of converting is at room temperature carried out sand milling, disperseed 4-8 hour, and it is qualified observing no nanometer agglomerated particles in opticmicroscope.Scattered nano-silicon dispersion liquid is blended among 100 kilograms of the embodiment 2 (compound resin), normal temperature high-speed stirring, dispersion, revolution are 800-1600 rev/min, and stirring, jitter time are the 40-120 branch, adjust pH value 7.5-12, promptly become Fluorosilicone rubber nano composite alloy three-proof paint.The performance index that this Recipe process makes are as follows:
| Solids content | ％ | ≥50 |
| Viscosity | Be coated with-425 ℃ | 50±5 |
| Acid number | MgkoH/g | 6.0±0.5 |
| Gloss | Gloss %60 degree | 40-80 |
| Salt spray resistance | The paint film no change | 2000 hours |
| Acidproof | 10％H 2SO 4 | No change |
| Alkaline-resisting | 10％NaOH | The slight variation |
| Artificial ageing resistance | 2000 hours loss of gloss rate % | 5-11 |
| Variable color in 2000 hours | 2 grades of variable colors (aberration 3.3-4.1) |
Fluorosilicone rubber nano composite alloy three-proof paint of the present invention, show have the power frequency of coating insulator to do (mean value 80.3), wet flash-over voltage (mean value 47.7) and be not less than that no coating insulator power frequency is done (mean value 77.8), wet flashover is a pressure (mean value 45.6) through simultaneous test; The artificial pollution test, it is 2.35＞2.0 that the coating insulator pollution flashover voltage (mean value 29.4) and the ratio of no coating insulator pollution flashover voltage (mean value 12.5) are arranged.This coating tries the technical requirements that item satisfies related standards.
Embodiment 12
1 kilogram of nano-calcium carbonate and 1 kilogram of nano zine oxide are blended into 3.8 kilograms of embodiment 8 (nano-powder dispersion), in the mixed solution of 30 kilograms of embodiment 5 solvents, the nano-powder mixed solution of converting is at room temperature carried out sand milling, disperseed 4-8 hour, and it is qualified observing no nanometer agglomerated particles in opticmicroscope.Scattered nano-silicon dispersion liquid is blended among 100 kilograms of the embodiment 2 (compound resin), normal temperature high-speed stirring, dispersion, revolution are 800-1600 rev/min, and stirring, jitter time are the 40-120 branch, adjust pH value 7.5-12, promptly become Fluorosilicone rubber nano composite alloy three-proof paint.The performance index that this Recipe process makes are as follows:
| Solids content | ％ | ≥50 |
| Viscosity | Be coated with-425 ℃ | 50±5 |
| Acid number | MgkoH/g | 6.0±0.5 |
| Gloss | Gloss %60 degree | 40-80 |
| Salt spray resistance | The paint film no change | 2000 hours |
| Acidproof | 10％H 2SO 4 | No change |
| Alkaline-resisting | 10％NaOH | The slight variation |
| Artificial ageing resistance | 2000 hours loss of gloss rate % | 5-11 |
| Variable color in 2000 hours | 2 grades of variable colors (aberration 3.3-4.1) |
Fluorosilicone rubber nano composite alloy three-proof paint of the present invention, show have the power frequency of coating insulator to do (mean value 80.3), wet flash-over voltage (mean value 47.7) and be not less than that no coating insulator power frequency is done (mean value 77.8), wet flashover is a pressure (mean value 45.6) through simultaneous test; The artificial pollution test, it is 2.35＞2.0 that the coating insulator pollution flashover voltage (mean value 29.4) and the ratio of no coating insulator pollution flashover voltage (mean value 12.5) are arranged.This coating tries the technical requirements that item satisfies related standards.
Claims (6)
1. Fluorosilicone rubber nano composite alloy three-proof paint, mainly make by weight ratio by following raw material:
Organosilicon 0.5-5; Nano-powder 0.1-5; Nano dispersion fluid 0.05-15; Compound resin 60-100; Organic solvent 5-50; Trifluoropropyl siloxane solution 10-40 kilogram.
2. according to the coating of claim 1, it is characterized in that: described nano-powder is selected from one or more in the following raw material: (1) nano titanium oxide (2) nano silicon (3) nano-aluminium oxide (4) nano-calcium carbonate (5) nano zine oxide (6) nanometer ferric oxide.
3. according to the coating of claim 1, it is characterized in that described nano dispersion fluid auxiliary agent is selected from one or more in the following raw material: (1) organo-silicon coupling agent comprises KH-550, KH-560; (2) the organic titanium coupling agent comprises KHT-203, KHT-301, KHT-303, KHT-305; (3) the organoaluminum coupling agent comprises DL-411, XL-95.
4. according to the coating of claim 1, it is characterized in that described compound resin is selected from one or more in the following raw material: amino (3) formaldehyde (4) epoxy (5) phenolic aldehyde (6) fluorine carbon (7) polyester (8) viton of (1) vinylformic acid (2).
5. according to the coating of claim 1, it is characterized in that described organic solvent is selected from one or more in the following raw material:
(1) ether-ether class; (2) ketone; (3) alcohols; (4) ethers.
6. according to the production method of any described coating of claim 1-5, comprise following production craft step:
(1) preparation of compound resin: take by weighing resin according to the above ratio, this ratio resin intensification limit in limit in reactor is stirred, 60 ℃-250 ℃ of temperature, revolution is 120-800 rev/min, be warming up to 60 ℃-250 ℃ after, the additional proportion organosilicon, constant temperature stirred 4-8 hour, left standstill 12-24 hour, and adjusted pH value 5-9, make compound resin;
(2) nano-powder dispersion liquid preparation: take by weighing the organic salt coupling agent according to the above ratio, this ratio organic salt coupling agent liquid intensification limit in limit in reactor is stirred, temperature is at 40 ℃-90 ℃, revolution is 500-1200 rev/min, constant temperature stirred 10-60 minute, added nano-powder again behind the adding organic solvent latting drown, and nano-powder must carry out heating under vacuum, the pre-treatment of drying before adding, vacuum tightness should be at 3-6Pa, and temperature is at 80 ℃-150 ℃; The nano-powder dispersion liquid of adjusting, blending is at room temperature disperseed time 4-10 hour;
(3) nano dispersion fluid is added in the compound resin, 40 ℃-80 ℃, revolution is 600-1200 rev/min, time 2-4 hour;
(4) after normal temperature left standstill 8-12 hour, sand milling, dispersion, filtration promptly got coating.
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| CN102190935A (en) * | 2011-03-15 | 2011-09-21 | 武汉大学 | Anti-icing coating and use thereof |
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