CN106543895A - Novel antifouling dodges coating and preparation method thereof - Google Patents
Novel antifouling dodges 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
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
- C09D183/06—Polysiloxanes containing silicon bound to oxygen-containing groups
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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
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1656—Antifouling paints; Underwater paints characterised by the film-forming substance
- C09D5/1662—Synthetic film-forming substance
- C09D5/1675—Polyorganosiloxane-containing compositions
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1687—Use of special additives
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- 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
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- 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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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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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 present invention discloses a kind of novel antifouling and dodges coating and preparation method thereof, belongs to power external insulation technical field of coatings.The novel antifouling dodges coating includes the component of following weight portion：50～200 parts of hydroxyl-terminated injecting two methyl siloxane, 5～50 parts of white carbon, 10～60 parts of fire retardant, 0～10 part of pigment, 5～30 parts of cross-linking agent, 0.01～10 part of catalyst, 50～600 parts of diluent, 5～50 parts of migration aids, 0～10 part of slow releasing agent.The present invention solves the problems, such as traditional RTV coating, and animal migration is not good at low temperature, and with higher hydrophobicity, can realize intelligent control according to ambient temperature, recycles, energy-efficient.
Description
Technical field
The present invention relates to power external insulation technical field of coatings, particularly relates to a kind of novel antifouling and dodges coating and its preparation side
Method.
Background technology
Power industry is the great cause for being related to national economy, and the safe and stable operation of power system is happy and peace basic guarantor
Barrier.With the development of modern industry, environmental pollution is increasingly serious, and in air, various dirt contents gradually increase, and dust collects gradually
Tie in insulator surface, dust can be moistened under the adverse circumstances such as thick fog, rain, snow, frost, under making the insulating capacity of insulator notable
Drop, in the presence of working voltage, leakage current increases severely, so that there is arc discharge, causes pollution flashover accident.
At present, antifouling work most efficient method is to spray antifouling flush paint on the insulator, wherein, room temperature vulcanized silicone rubber
(RTV) silicone rubber used by antifouling flush paint at room temperature just can be easy to use with curing molding, and pollution flashover ability is strong, can be extensively
Adapt to various naturally filthy and industrial filthy environments.Using RTV as Anti-pollution Flashover measure, can exempt that timeliness is short, reliability
The big cleaning of low and workload and washing work, safeguard in a large number manpower and maintenance cost so as to save, and its effect is much better than adjustment
External insulation creep distance or other measures, and substantial amounts of renewal of the equipment expense can be saved, with preferable economic benefit.
But RTV coating is coated to power equipment surface, and out of doors, in running, RTV coatings will undergo long-play
The effect of various environmental factorss such as temperature change, humidity change, ultraviolet irradiates, wind and rain is scrubbed, ablation of discharging, acid and alkali corrosion,
Especially under special environment, such as low temperature severe cold area, serious haze area, inevitably receive certain deterioration factor high-strength
Degree long duration of action, frequently can lead to the phenomenons such as the decline of coating hydrophobicity, hydrophobicity loss, cracking, galvanic corrosion damage, peeling, then
Cause pollution flashover accident in inclement weather.
In recent years, the quickening of process of industrialization result in frequently occurring for haze weather, and electric transmission line isolator is such
Easily there is the phenomenon of insulating capacity reduction under weather condition, so as to there is pollution flashover accident.These pollution flashover accidents are analyzed
After find, pollution flashover is multiple is born in morning in winter and it is many with intensity haze weather, temperature is relatively low and the filthy concentration of environment is larger,
Environment filth concentration causes greatly the accumulation of serious pollution layer, and silastic material hydrophobicity performance can be caused then to decline, and low temperature environment
Cause small molecule migration velocity relatively slow again or even can not migrate out completely, silastic material just loses antifouling work in this case
Key technology, easily there is pollution flashover, such as calendar year 2001 northeast North China large area pollution flashover accident, the environmental characteristic of accident is：It is high
Humidity continues thick fog weather, and low visibility, temperature -3-7 degree, humidity 60%-90%, quality of air environment are poor, is electrolysed in air
Matter concentration is higher, and peak is occurred in that in the period of pollution flashover, and insulator salt density is high；Pollution flashover circuit entirely exists in addition
In November, 2000 and December carried out cleaning respectively, and many circuits have been changed to silicon rubber compound insulator, and this explanation is in short-term
In, because the impact of weather and environment still can make rapidly surface filth degree reach higher concentration.For such regional winter
Haze weather is presently the most the climate characteristic for being typically easily caused pollution flashover, on the one hand due to being that contamination is cumulative between Winter-Spring
Phase, the wet deposition of the electrolyte in another aspect fog cause insulator surface to produce quick pollution again, deposit and pollute and external
Pollution superposition, causes power transmission and transforming equipment that pollution flashover occurs under the humidification of lasting high humility dense fog.Therefore, how quickly to carry
High antifouling flash coating layer migration of hydrophobicity speed at low temperature is particularly important.
Comparison morning for carrying out of foreign countries in terms of the exploitation of antifouling flush paint, the eighties in 20th century, the electrical network such as U.S. started to develop
The antifouling flush paint of organosilicon material, but state's rustproof lacquer lays particular emphasis on the hydrophobicity of material, other performances (such as mechanical property, fire-retardant
With resistance to deteriorating property) it is general, it is impossible to adapt to domestic seriously polluted and complicated and changeable weather, the end of the eighties is domestic inspired after
Start to develop the room temperature vulcanized silicone rubber antifouling flush paint of multicomponent and one-component, and in some area applications and achieve
Effect, but generally existing poor mechanical property, adhesive force are low, and weatherability is poor, and the problems such as migration of hydrophobicity short life.It is till now
Only, the research to the performance of coating each side did not also stop, and such as Chinese patent literature CN1690147A discloses one kind and receives
The reinforced RTV long-acting and anti-fouling flashing coatings of rice, the coating by nano silicon, terminal hydroxy group base polydimethylsiloxane, cross-linking agent,
Catalyst, pigment and solvent are prepared from, and with good hydrophobic performance and by adding nano material silicon dioxide, strengthen
The mechanical property of coating so that the weatherability of RTV coating strengthens, antifouling work ability is further strengthened.But the prior art
Make that coating migration performance at low temperature is poor, easily serious contamination insulation protection is finally lost under haze environment in the winter time
Function.In addition, Chinese patent literature CN103131240A discloses a kind of automatically cleaning antifouling flush paint, the technology is constructed well
A kind of micro-nano composite surface of bionical class Folium Nelumbinis, it is achieved thereby that self-cleaning effect, but this automatically cleaning is in long-term outdoor
In operation, run into the environment extremely polluted as haze, do not have rainfall or strong wind take away surface it is filthy when, once table
Face accumulation is filthy, will cover surface class Folium Nelumbinis structure, and so-called automatic cleaning action is also just difficult to play.If such feelings
In the winter time under haze, the filth on surface greatly reduces the insulating capacity of equipment easily by malaria moistening to condition, easily sends out
Raw pollution flashover accident.And antifouling flush paint technology all limits antifouling work ability and weatherability disclosed in above two, it is impossible to full
The requirement that the increasingly severe complex environment demand of foot and the growing high insulation of transmission of electricity load are ensured.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of with higher hydrophobicity, can realize intelligence according to ambient temperature
Can regulate and control, recycle, energy-efficient novel antifouling dodges coating and preparation method thereof.
To solve above-mentioned technical problem, it is as follows that the present invention provides technical scheme：
A kind of novel antifouling dodges coating, including the component of following weight portion：Hydroxyl-terminated injecting two methyl siloxane 50～200
It is part, 5～50 parts of white carbon, 10～60 parts of fire retardant, 0～10 part of pigment, 5～30 parts of cross-linking agent, 0.01～10 part of catalyst, dilute
Release 50～600 parts of agent, 1～50 part of migration aids, 0～10 part of slow releasing agent.
Further, described novel antifouling dodges coating, including the component of following weight portion：Terminal hydroxy group polydimethylsiloxanes
100～150 parts of alkane, 10～30 parts of white carbon, 30～60 parts of fire retardant, 0.1～8 part of pigment, 5～25 parts of cross-linking agent, catalyst
0.01～5 part, 100～500 parts of diluent, 5～25 parts of migration aids, 0.5～5 part of slow releasing agent.
Further, the migration aids include：It is the modified coupling agent of long chain alkane molecule, alkane molecule, silicone oil, fluorine-containing
One or more in silicone oil or long chain alkane modified silicon oil.
Further, the carbon number of the long chain alkane molecule is 9～24, and molecular weight is between 120～350；Institute
State alkyl trimethoxysilane, alkyl triethoxysilicane of the modified coupling agent of alkane molecule for long chain alkane molecule graft modification
Alkane, alkyl methoxyl group diethoxy silane or alkyl ethoxy dimethoxysilane, the alkane modified silicon oil viscosity be 50～
1000mPa.s。
Further, the coupling agent of the long chain alkane molecule graft modification is trimethoxy that carbon number is 14～20
Silane, carbon number are 14～20 triethoxysilane, the methoxyl group diethoxy silane that carbon number is 14～20 or carbon
Atomic number is one or more in 14～20 ethyoxyl dimethoxysilane silane.
Further, when the migration aids are long chain alkane molecule, supporting addition slow releasing agent, the slow releasing agent is needed to be Jie
Hole silicon dioxide, aperture are 2～10nm.
Further, the viscosity of the hydroxyl-terminated injecting two methyl siloxane is in 5000～80000mPa.s；The white carbon
For hydrophobic silica, the white carbon specific surface area is 100～400m2/g。
Further, the fire retardant is aluminium hydroxide, magnesium hydroxide, Firebrake ZB, decabromodiphenyl, APP, neatly
One or more in stone；The pigment is iron oxide red and/or titanium dioxide；The diluent be toluene, dimethylbenzene, dichloromethane,
One or more in chloroform, ethyl acetate, acetone, butanone, tetrachloroethylene, petroleum ether；The catalyst is two Laurels
Sour dibutyl tin or stannous octoate, the cross-linking agent are KH550, KH560, KH570, methyl tributanoximo silane, vinyl
One or more in butanone oximino silane.
Above-mentioned novel antifouling dodges the preparation method of coating, comprises the steps：
Step 1：By hydroxyl-terminated injecting two methyl siloxane with white carbon, fire retardant, pigment and migration aids in a kettle.
It is sufficiently mixed, obtains just mixed glue；
Step 2：Roller dispersing solid sizing material is crossed, by just mixed glue crosses three-roller obtained by step 2, uniform base rubber is obtained；
Step 3：Kneader is mediated, and by base rubber obtained in step 2, at 100～150 DEG C, vacuum stirring obtains base rubber；
Step 4：Diluent is added after step 3 gained base rubber is cooled down, after high-speed stirred is uniform, cross-linking agent is added, is urged
Agent, and stirring is sufficiently mixed, obtain coating.
Wherein, in the step 1, when migration aids are long chain alkane molecule, need to first add it in slow releasing agent, stir
Mixture is obtained uniformly.
The invention has the advantages that：
In such scheme, compared with RTV, the novel antifouling dodges in coating and contains migration aids, and migration aids are existing
Antifouling flush paint hydrophobicity transfer ability under cryogenic is improve on the basis of room temperature vulcanized silicone rubber, while not affecting which
The performance of his performance.When ambient temperature goes back up to normal temperature, migration aids can be returned in silicone rubber system again, can be again
It is multiple to use, it is quick on the draw, energy-conserving and environment-protective are truly realized and are moved come intelligent control transfer ability, and low temperature according to ambient temperature
The attachment that auxiliary agent also reduces top layer dunghill in the process for separating out is moved, with automatic cleaning action, and indirectly plays certain
Ice-covering-proof effect.
Description of the drawings
Fig. 1 is that 3 coating of the embodiment of the present invention stains the water spray classification figure and contact angle survey after migrating 96 hours under rear low temperature
Attempt；
Fig. 2 is that 1 coating of comparative example stains water spray classification figure and contact angle test chart after migrating 96 hours under rear low temperature；
Fig. 3 is that 2 coating of comparative example stains water spray classification figure and contact angle test chart after migrating 96 hours under rear low temperature；
Fig. 4 has the filthy adhesive force action diagram of reduction (to be from left to right followed successively by inventive samples, comparative example for inventive samples
1 sample, 2 sample of comparative example).
Specific embodiment
To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and tool
Body embodiment is described in detail.
The present invention is for, in prior art, traditional RTV coating problem that animal migration is not good at low temperature, hydrophobicity is low is carried
For a kind of with higher hydrophobicity, intelligent control can be realized according to ambient temperature, be recycled, energy-efficient novel antifouling
Dodge coating and preparation method thereof.
It is to preferably further understand the present invention to provide following embodiments, it is not limited to the optimal embodiment party
Formula, is not construed as limiting to present disclosure and protection domain, anyone the present invention enlightenment under or by the present invention and its
The feature of his prior art be combined and draw it is any with the present invention it is same or like as product, be accordingly to be regarded as the present invention
Protection domain.
Unreceipted specific experiment step or condition person in embodiment, according to the normal experiment described by document in the art
The operation of step or condition can be carried out.Agents useful for same or the unreceipted production firm person of instrument, be can by city available from
Conventional reagent product.
Embodiment 1
A kind of novel antifouling dodges coating, including the component of following weight portion：Terminal hydroxy group poly- diformazan of the viscosity for 5000mPa.s
200 parts of radical siloxane, specific surface area are 200cm250 parts of the white carbon of/g, 24 parts of aluminium hydroxide, 25 parts of magnesium hydroxide, Firebrake ZB
1 part, 10 parts of brucite, 25 parts of methyl tributanoximo silane, 10 parts of dibutyl tin laurate, 100 parts of toluene, hexadecane 5
Part, 1 part of tetradecane trimethoxy silane, 3 parts of silicone oil, 1 part of fluorine containing silicone oil, viscosity be 4 parts of 1000mPa.s alkyl modified silicon oils,
1 part of mesoporous silicon oxide.
Above-mentioned novel antifouling dodges coating, is obtained by following preparation method：
(1) by 5 parts of component hexadecane, 1 part of mesoporous silicon oxide, stir and fully absorb prepared mixture；
(2) premix of base rubber, by viscosity be 200 parts of the hydroxyl-terminated injecting two methyl siloxane of 5000mPa.s, specific surface area be
200cm250 parts of the white carbon of/g, 24 parts of aluminium hydroxide, 25 parts of magnesium hydroxide, 1 part of Firebrake ZB, 10 parts of brucite, 3 parts of silicone oil,
1 part of fluorine containing silicone oil, viscosity are that the mixture in 4 parts of 1000mPa.s alkyl modified silicon oils and above-mentioned (1) is fully mixed in a kettle.
Close, obtain just mixed glue；
(3) roller dispersing solid sizing material is crossed, by just mixed glue crosses three-roll grinder obtained by step (2), is worth uniform base rubber；
(4) kneader is mediated, by base rubber vacuum stirring at 100 DEG C obtained in step (3)；
(5) coating is prepared, 100 parts of toluene after step (4) base rubber is cooled down, is added, and after high-speed stirred is uniform, adds first
25 parts of base tributanoximo silane, 8 parts of dibutyl tin laurate, 1 part of tetradecane trimethoxy silane are sufficiently mixed stirring, obtain
To coating.
Embodiment 2
A kind of novel antifouling dodges coating, including the component of following weight portion：Terminal hydroxy group poly- two of the viscosity for 10000mPa.s
100 parts of methylsiloxane, specific surface area are 320cm215 parts of the white carbon of/g, 20 parts of aluminium hydroxide, 7 parts of decabromodiphenyl, neatly
23 parts of stone, 1 part of antimony oxide, 6 parts of titanium dioxide, 1 part of KH570,12 parts of methyl tributanoximo silane, three butanone of vinyl
3 parts of oximino silane, 0.3 part of stannous octoate, 300 parts of dimethylbenzene, 6 parts of the tetradecane, 4 parts of eicosane, octadecane triethoxysilane 7
Part, 4 parts of silicone oil, viscosity are 4 parts of 500mPa.s alkyl modified silicon oils, 2 parts of mesoporous silicon oxide.
Above-mentioned novel antifouling dodges coating, is obtained by following preparation method：
(1) by 6 parts of the component tetradecane, 4 parts of eicosane, 2 parts of mesoporous silicon oxide, stir and fully absorb to be obtained and mix
Compound；
(2) premix of base rubber, viscosity is 100 parts of the hydroxyl-terminated injecting two methyl siloxane of 10000mPa.s, specific surface area is
320cm215 parts of the white carbon of/g, 20 parts of aluminium hydroxide, 7 parts of decabromodiphenyl, 23 parts of brucite, 1 part of antimony oxide, titanium dioxide
6 parts, 4 parts of silicone oil, viscosity be 4 parts of 500mPa.s alkyl modified silicon oils and above-mentioned (1) in mixture fully mix in a kettle.
Close, obtain just mixed glue；
(3) roller dispersing solid sizing material is crossed, by just mixed glue crosses three-roller obtained by step (2), is worth uniform base rubber；
(4) kneader is mediated, by base rubber vacuum stirring at 120 DEG C obtained in step (3)；
(5) coating is prepared, 300 parts of dimethylbenzene after step (4) base rubber is cooled down, is added, and after high-speed stirred is uniform, is added
1 part of KH570,12 parts of methyl tributanoximo silane, 3 parts of vinyl tributyl ketoximyl silane, 0.3 part of stannous octoate, octadecane
7 parts of triethoxysilane is sufficiently mixed stirring, obtains coating.
Embodiment 3
A kind of novel antifouling dodges coating, including the component of following weight portion：Terminal hydroxy group poly- two of the viscosity for 30000mPa.s
100 parts of methylsiloxane, specific surface area are 400cm218 parts of the white carbon of/g, 5 parts of aluminium hydroxide, 10 parts of APP, neatly
10 parts of stone, 0.1 part of iron oxide red, 5 parts of methyl tributanoximo silane, 2 parts of four butanone oximino silane, 2 parts of KH550, tin dilaurate two
0.5 part of butyl tin, 100 parts of ethyl acetate, 100 parts of chloroform, 5 parts of nonane, 5 parts of octadecane, hexadecane methoxyl group diethoxy
4 parts of base silane, 3 parts of tetradecane ethyoxyl dimethoxysilane, 1 part of silicone oil, 6 parts of mesoporous silicon oxide.
Above-mentioned novel antifouling dodges coating, is obtained by following preparation method：
(1) 5 parts of following components nonane, 5 parts of octadecane, 6 parts of mesoporous silicon oxide are stirred and is fully absorbed prepared
Mixture；
(2) premix of base rubber, viscosity is 100 parts of the hydroxyl-terminated injecting two methyl siloxane of 30000mPa.s, specific surface area is
400cm218 parts of the white carbon of/g, 5 parts of aluminium hydroxide, 10 parts of APP, 10 parts of brucite, 0.1 part of iron oxide red, 1 part of silicone oil and
Mixture in above-mentioned (1) is sufficiently mixed in a kettle., obtains just mixed glue；
(3) roller dispersing solid sizing material is crossed, by just mixed glue crosses three-roller obtained by step (2), is worth uniform base rubber；
(4) kneader is mediated, by base rubber vacuum stirring at 135 DEG C obtained in step (3)；
(5) coating is prepared, 100 parts of ethyl acetate, 100 parts of chloroform, and high speed after step (4) base rubber is cooled down, is added
After stirring, 5 parts of methyl tributanoximo silane, 2 parts of four butanone oximino silane, 2 parts of KH550, two fourth of tin dilaurate are added
0.5 part of base stannum, 4 parts of hexadecane methoxyl group diethoxy silane, 3 parts of tetradecane ethyoxyl dimethoxysilane, it is sufficiently mixed and stirs
Mix, obtain coating.
Embodiment 4
A kind of novel antifouling dodges coating, including the component of following weight portion：Terminal hydroxy group poly- two of the viscosity for 50000mPa.s
100 parts of methylsiloxane, specific surface area are 100cm222 parts of the white carbon of/g, 15 parts of magnesium hydroxide, 15 parts of aluminium hydroxide, titanium white
4 parts of powder, 2 parts of methyl tributanoximo silane, four 3 parts of butanone oximino silanes, 0.01 part of dibutyl tin laurate, acetone 50
Part, 50 parts of butanone, 100 parts of dichloromethane, 200 parts of tetrachloroethylene, 1 part of the tetradecane, 2 parts of octadecane, eicosane trimethoxy silicon
1 part of alkane, 6 parts of pentadecane ethyoxyl dimethoxysilane, 7 parts of silicone oil, 1 part of mesoporous silicon oxide.
Above-mentioned novel antifouling dodges coating, is obtained by following preparation method：
(1) 1 part of the following components tetradecane, 2 parts of octadecane, 1 part of mesoporous silicon oxide are stirred and fully absorbs system
Obtain mixture；
(2) premix of base rubber, viscosity is 100 parts of the hydroxyl-terminated injecting two methyl siloxane of 50000mPa.s, specific surface area is
100cm222 parts of the white carbon of/g, 15 parts of magnesium hydroxide, 15 parts of aluminium hydroxide, 4 parts of titanium dioxide, 7 parts of silicone oil, and above-mentioned (1) in
Mixture be sufficiently mixed in a kettle., obtain just mixed glue；
(3) roller dispersing solid sizing material is crossed, by just mixed glue crosses three-roller obtained by step (2), is worth uniform base rubber；
(4) kneader is mediated, by base rubber vacuum stirring at 150 DEG C obtained in step (3)；
(5) prepare coating, will step (4) base rubber cool down after add 50 parts of acetone, 50 parts of butanone, 100 parts of dichloromethane, four
200 parts of vinyl chloride and high-speed stirred it is uniform after, add 2 parts of methyl tributanoximo silane, four 3 parts of butanone oximino silanes, February
0.01 part of dilaurylate, 1 part of eicosane trimethoxy silane, 6 parts of pentadecane ethyoxyl dimethoxysilane are sufficiently mixed
Stirring, obtains coating.
Embodiment 5
A kind of novel antifouling dodges coating, including the component of following weight portion：Terminal hydroxy group poly- two of the viscosity for 80000mPa.s
50 parts of methylsiloxane, specific surface area are 150cm25 parts of the white carbon of/g, 8 parts of polyphosphoric acid amine, 27 parts of magnesium hydroxide, hydroxide
15 parts of aluminum, 10 parts of brucite, 4 parts of titanium dioxide, 1 part of KH550,5 parts of methyl tributanoximo silane, 1 part of stannous octoate, toluene
100 parts, 100 parts of petroleum ether, 300 parts of ethyl acetate, 2 parts of decane, 4 parts of octadecane, 2 parts of heptadecane trimethoxy silane, 14
1 part of alkane methoxyl group diethoxy silane, 3 parts of hexadecane ethyoxyl dimethoxysilane, viscosity are 50mPa.s alkyl modified silicon oils
2 parts, 0.5 part of mesoporous silicon oxide.
Above-mentioned novel antifouling dodges coating, is obtained by following preparation method：
(1) 1 part of following components decane, 4 parts of octadecane, 0.5 part of mesoporous silicon oxide are stirred and fully absorbs system
Obtain mixture；
(2) premix of base rubber, by viscosity be 50 parts of the hydroxyl-terminated injecting two methyl siloxane of 80000mPa.s, specific surface area be
150cm25 parts of the white carbon of/g, 8 parts of polyphosphoric acid amine, 27 parts of magnesium hydroxide, 15 parts of aluminium hydroxide, 10 parts of brucite, titanium dioxide 4
Part, viscosity are that the mixture in 2 parts of 50mPa.s alkyl modified silicon oils and above-mentioned (1) is sufficiently mixed in a kettle., obtain just mixed
Glue；
(3) roller dispersing solid sizing material is crossed, by just mixed glue crosses three-roller obtained by step (2), is worth uniform base rubber；
(4) kneader is mediated, by base rubber vacuum stirring at 115 DEG C obtained in step (3)；
(5) coating is prepared, 100 parts of toluene, 100 parts of petroleum ether, ethyl acetate 300 after step (4) base rubber is cooled down, is added
Part, and after high-speed stirred is uniform, add 1 part of KH550,5 parts of methyl tributanoximo silane, 1 part of stannous octoate, heptadecane three
2 parts of methoxy silane, 1 part of tetradecane methoxyl group diethoxy silane, 3 parts of hexadecane ethyoxyl dimethoxysilane are sufficiently mixed
Stirring, obtains coating.
Embodiment 6
A kind of novel antifouling dodges coating, including the component of following weight portion：Terminal hydroxy group poly- two of the viscosity for 70000mPa.s
150 parts of methylsiloxane, specific surface area are 200cm240 parts of the white carbon of/g, 30 parts of aluminium hydroxide, four butanone oximino silanes 15
Part, 0.09 part of dibutyl tin laurate, 50 parts of butanone, 50 parts of petroleum ether, 100 parts of ethyl acetate, tetradecane trimethoxy silicon
15 parts of alkane, viscosity are 35 parts of 800mPa.s alkyl modified silicon oils.
Above-mentioned novel antifouling dodges coating, is obtained by following preparation method：
(1) premix of base rubber, by viscosity be 50 parts of the hydroxyl-terminated injecting two methyl siloxane of 70000mPa.s, specific surface area be
200cm240 parts of the white carbon of/g, 30 parts of aluminium hydroxide, viscosity are filled in a kettle. for 35 parts of 800mPa.s alkyl modified silicon oils
Divide mixing, obtain just mixed glue；
(2) roller dispersing solid sizing material is crossed, by just mixed glue crosses three-roller obtained by step (1), is worth uniform base rubber；
(3) kneader is mediated, by base rubber vacuum stirring at 115 DEG C obtained in step (2)；
(4) 50 parts of butanone, 50 parts of petroleum ether, 100 parts of ethyl acetate, and high-speed stirring will be added after the cooling of step (3) base rubber
After mixing uniformly, 15 parts of four butanone oximino silane, 0.09 part of dibutyl tin laurate, 15 parts of tetradecane trimethoxy silane are added
Stirring is sufficiently mixed, coating is obtained.
Embodiment 7
A kind of novel antifouling dodges coating, including the component of following weight portion：Terminal hydroxy group poly- two of the viscosity for 50000mPa.s
100 parts of methylsiloxane, specific surface area are 200cm225 parts of the white carbon of/g, 30 parts of aluminium hydroxide, 7 parts of decabromodiphenyl, three oxygen
Change 1.5 parts of two antimony, 15 parts of four butanone oximino silane, 4 parts of KH550,1 part of dibutyl tin laurate, 100 parts of dimethylbenzene, acetic acid
100 parts of ethyl ester, 50 parts of octadecyl methoxyl group diethoxy silane.
Above-mentioned novel antifouling dodges coating, is obtained by following preparation method：
(1) premix of base rubber, by viscosity be 100 parts of the hydroxyl-terminated injecting two methyl siloxane of 50000mPa.s, specific surface area
For 200cm225 parts of the white carbon of/g, 30 parts of aluminium hydroxide, 7 parts of decabromodiphenyl, 1.5 parts of antimony oxide, octadecyl methoxy
30 parts of base diethoxy silane is sufficiently mixed in a kettle., obtains just mixed glue；
(2) roller dispersing solid sizing material is crossed, by just mixed glue crosses three-roller obtained by step (1), is worth uniform base rubber；
(3) kneader is mediated, by base rubber vacuum stirring at 100 DEG C obtained in step (2)；
(4) after 100 parts of dimethylbenzene, 100 parts of ethyl acetate high-speed stirred being added uniform after the cooling of step (3) base rubber,
Add 15 parts of four butanone oximino silane, 4 parts of KH550,1 part of dibutyl tin laurate, octadecyl methoxyl group diethoxy silicon
20 parts of alkane is sufficiently mixed stirring, obtains coating.
Comparative example 1
Embodiment 3 disclosed in patent No. CN103131240A as a comparison case 1 is selected, a kind of automatically cleaning antifouling work is disclosed
Coating, including the component of following weight portion：30 parts of hydroxyl-terminated injecting two methyl siloxane, 4 parts of hydrophobicity gas phase nano silicon dioxide,
3 parts of 16 part, micron flatting silica of Modified by Aluminum Hydroxide fire retardant, 0.6 part of pigment, ketoxime type cross-linking agent vinyl butanone oximino silane
2 parts, 0.01 part of de-oxime type octoate catalyst stannous, 50 parts of the mixed solvent of aromatic hydrocarbons and alkane.The terminal hydroxy group poly dimethyl
The viscosity of siloxanes is 5000～25000m Pa.s.
Comparative example 2
Antifouling flash coating layer component in comparative example 2 does not include 5 parts of nonane, 5 parts of octadecane, hexadecane methoxyl group diethoxy
4 parts of silane, 3 parts of tetradecane ethyoxyl dimethoxysilane, 1 part of silicone oil, 6 parts of mesoporous silicon oxide；Remaining component and embodiment 3
Middle component is identical.
Preparation method is same as Example 3.
In order to further illustrate the effect of the present invention, embodiment 1～5 and comparative example 1～2 are carried out into Contact-angle measurement and spray
Moisture level, tests the hydrophobicity of coating.
Contact-angle measurement and water spray classification are all tested with regard to hydrophobicity according in DL/T810-2012 and DL/T810-2002
Method and steps.Contact angle is tested using full-automatic contact angle tester, microsyringe during test, will test water droplet
In coating surface, droplet size is 3 μ l, selects five zoness of different of same coating to test its contact angle respectively, and calculates average
Value, respectively obtains the contact angle of coating.In water spray test water injector should be able to preferable atomizing effect, each injection flow rate 0.7～
1ml, sprinkler nozzle distance sample 25cm, water spray per second 1 time, totally 25 times.Water spray rank value should be completed in 25 seconds having sprayed.
The ambient temperature of both the above test is below 10 DEG C.
Carry out, after coating, doing by the coating that provides embodiment 1～7 and comparative example 1～2,
Under low temperature, (- 10～10 DEG C) migrate 96 hours, by staging and the static contact angle test hydrophobicity of spraying water.Each sample does 5
Individual repetition, when average contact angle is more than more than 110 °, hydrophobic is classified in HC2～more than HC3, it is believed that its surface hydrophobic animal migration
Well.Water spray classification and the effect picture of static contact angle of the accompanying drawing 1-3 for embodiment 3 and comparative example 1-2, concrete measurement data
See the table below shown in 1：
Table 1
| Embodiment | Water contact angle (°) | Water spray classification |
| Embodiment 1 | 129 | HC2-HC3 |
| Embodiment 2 | 125 | HC2-HC3 |
| Embodiment 3 | 135 | HC2 |
| Embodiment 4 | 134 | HC2 |
| Embodiment 5 | 130 | HC2-HC3 |
| Embodiment 6 | 127 | HC2-HC3 |
| Embodiment 7 | 123 | HC2-HC3 |
| Comparative example 1 | 93 | HC4-HC5 |
| Comparative example 2 | 101 | HC3-HC4 |
As seen from the above table, the static contact angle of comparative example 1 and 2 and water spray classification are relatively low, not up to migration of hydrophobicity room temperature
Under requirement level, and embodiments of the invention 1～7 are all demonstrated by preferable hydrophobicity, are also met under room temperature at low temperature
Requirement to migration of hydrophobicity.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of without departing from principle of the present invention, some improvements and modifications can also be made, these improvements and modifications
Should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of novel antifouling dodges coating, it is characterised in that including the component of following weight portion：Hydroxyl-terminated injecting two methyl siloxane
50～200 parts, 5～50 parts of white carbon, 10～60 parts of fire retardant, 0～10 part of pigment, 5～30 parts of cross-linking agent, catalyst 0.01～
10 parts, 50～600 parts of diluent, 5～50 parts of migration aids, 0～10 part of slow releasing agent.
2. novel antifouling according to claim 1 dodges coating, it is characterised in that including the component of following weight portion：End hydroxyl
100～150 parts of base polydimethylsiloxane, 10～30 parts of white carbon, 30～60 parts of fire retardant, 0.1～8 part of pigment, cross-linking agent 5
～25 parts, 0.01～5 part of catalyst, 100～500 parts of diluent, 5～25 parts of migration aids, 0～5 part of slow releasing agent.
3. require that the arbitrary described novel antifoulings of 1-2 dodge coating according to power, it is characterised in that the migration aids are long chain alkane
One or more in the modified coupling agent of molecule, alkane molecule, silicone oil, fluorine containing silicone oil or long chain alkane modified silicon oil.
4. novel antifouling according to claim 3 dodges coating, it is characterised in that the carbon number of the alkane molecule is 9
～24, alkyl trimethoxysilane, alkyl three second of the modified coupling agent of the alkane molecule for alkane molecule graft modification
TMOS, alkyl methoxyl group diethoxy silane or alkyl ethoxy dimethoxysilane, the alkane modified silicon oil viscosity
For 50～1000mPa.s.
5. novel antifouling according to claim 4 dodges coating, it is characterised in that the coupling of the alkane molecule graft modification
Agent is trimethoxy silane that carbon number is 14～20, the triethoxysilane that carbon number is 14～20, carbon number are
14～20 methoxyl group diethoxy silane or carbon number are the one kind in 14～20 ethyoxyl dimethoxysilane silane
Or it is various.
6. novel antifouling according to claim 4 dodges coating, it is characterised in that the migration aids are long chain alkane molecule
When, supporting addition slow releasing agent is needed, the slow releasing agent is mesoporous silicon oxide, and aperture is 2～10nm.
7. coating is dodged according to the arbitrary described novel antifouling of claim 1-2, it is characterised in that the terminal hydroxy group poly dimethyl silicon
The viscosity of oxygen alkane is in 5000～80000mPa.s；The white carbon is hydrophobic silica, and the white carbon specific surface area is
100～400m2/g。
8. coating is dodged according to the arbitrary described novel antifouling of claim 1-2, it is characterised in that the fire retardant is hydrogen-oxygen
Change one or more in aluminum, magnesium hydroxide, Firebrake ZB, decabromodiphenyl, APP, brucite, antimony oxide；The face
Expect for iron oxide red and/or titanium dioxide；The diluent be toluene, dimethylbenzene, dichloromethane, chloroform, ethyl acetate, acetone,
One or more in butanone, tetrachloroethylene, petroleum ether；The catalyst is dibutyl tin laurate or stannous octoate；Institute
Cross-linking agent is stated for KH550, KH560, KH570, methyl tributanoximo silane, vinyl butanone oximino silane, four butanone oximidos
One or more in silane.
9. the arbitrary described novel antifouling of claim 1-8 dodges the preparation method of coating, it is characterised in that comprise the steps：
Step 1：Will be hydroxyl-terminated injecting two methyl siloxane abundant in a kettle. with white carbon, fire retardant, pigment and migration aids
Mixing, obtains just mixed glue；
Step 2：Roller dispersing solid sizing material is crossed, by just mixed glue crosses grinder obtained by step 1, uniform base rubber is obtained；
Step 3：Kneader mediate, by base rubber obtained in step 2 at 100～150 DEG C vacuum stirring；
Step 4：Diluent is added after step 3 gained base rubber is cooled down, after high-speed stirred is uniform, cross-linking agent, alkane point is added
The modified coupling agent of son, catalyst, and stirring is sufficiently mixed, obtain coating.
10. novel antifouling according to claim 9 dodges the preparation method of coating, it is characterised in that in the step 1, move
When shifting auxiliary agent is long chain alkane molecule, need first mix which with slow releasing agent, stir prepared mixture.
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| CN113122130A (en) * | 2021-04-30 | 2021-07-16 | 河北诚和龙盛电力工程有限公司 | Improved anti-pollution flashover coating and preparation method thereof |
| CN113122130B (en) * | 2021-04-30 | 2022-02-11 | 河北诚和龙盛电力工程有限公司 | Improved anti-pollution flashover coating and preparation method thereof |
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| CN116102976B (en) * | 2022-12-08 | 2024-03-26 | 国网湖北省电力有限公司孝感供电公司 | Special anti-icing flame-retardant insulating silicon coating for cable line cladding |
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