CN105482574B - A kind of fluorine carbon self-cleaning coating and preparation method - Google Patents
A kind of fluorine carbon self-cleaning coating and preparation method Download PDFInfo
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- CN105482574B CN105482574B CN201410538711.4A CN201410538711A CN105482574B CN 105482574 B CN105482574 B CN 105482574B CN 201410538711 A CN201410538711 A CN 201410538711A CN 105482574 B CN105482574 B CN 105482574B
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- fluorine carbon
- acid
- automatically cleaning
- coil coating
- coating according
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- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims abstract description 23
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Abstract
The present invention discloses a kind of fluorine carbon self-cleaning coating, includes the raw material of following parts by weight：28~35 parts of fluorocarbon resin, 4~10 parts of acrylic resin, 0.5~5.0 part of amino resins, 0.1~0.5 part of catalyst, 2~8 parts of alkoxy-modified silicones, 25~35 parts of color stuffing, 0.1~1.0 part of defoamer, 0.5~2.5 part of dispersant, 1.0~4.0 parts of delustering agent, 20~30 parts of solvent.The fluorine carbon self-cleaning coating of the present invention is under the premise of the service life of fluorocarbon coating in itself is ensured, with very low water contact angle and resistance to carbon pollution characteristic.The invention also discloses a kind of preparation method of fluorine carbon self-cleaning coating, its preparation technology is simple, it is easy to industrialize.
Description
Technical field
The present invention relates to the technical field of function of surface coating.More particularly, to a kind of fluorine carbon self-cleaning coating and system
Preparation Method.
Background technology
Fluorocarbon coating is using fluorine resin as film forming matter, because containing F-C keys in resin, so with good wear-resisting
Damage, corrosion-resistant, heat-resisting, weatherability the features such as, be widely used in chemical industry, building, electronics, machinery, automobile and other industries, and fluorine carbon from
Cleaning coating has further opened up the application field of fluorocarbon coating but also with self-cleaning surface function, and fluorocarbon coating surface can be very
It is low, show smog, fuel oil or the acidic materials being easily absorbing after hydrophobic oleophilic oil characteristic, application in air, due to itself
Hydrophobicity, even if rainwater also is difficult to infiltrate its surface, so being very difficult to remove surface blot, coating surface just loses this in the course of time
The color and aesthetic property of body, in recent years, high durable and stain-resistant coating turn into the hot fields studied both at home and abroad.
Super-hydrophobicity, the major class of Superhydrophilic two can be largely classified into according to the difference of automatically cleaning principle.Current Superhydrophilic
The preparation of self-cleaning coating mainly have two methods：One be directly using hydrophilic material either by physics addition or
Chemical graft, which introduces hydrophilic group, makes material obtain hydrophily；Two be the titanium dioxide and inorganic tree using anatase crystal
Fat physical mixed, is coated on fluorocarbon coating in the way of the 3rd coating, or the titanium dioxide of anatase crystal is passed through into place
The coating directly prepared after reason with fluorocarbon resin physical blending, obtains the surface of Superhydrophilic under ultraviolet irradiation.Document
In entitled " automatically cleaning anticorrosive paint finish paint and preparation method thereof ", Wen Yongxiang etc. is using the sharp state type titanium dioxide of nanometer in positive silicon
The sharp state type titanium dioxide polyorganosiloxane mixture that hydrolysis is produced in acetoacetic ester (TEOS), coating surface is produced by illumination
Ultra-hydrophilic surface, but be an advantage over anatase titanium dioxide there is the characteristic of illumination decomposing organic matter, the coating will powder in the near future
Change comes off, and not only loses automatically cleaning effect, and because coating shedding influences attractive in appearance.
Li Jies etc. disclose a kind of automatically cleaning in Chinese patent application " automatically cleaning tetrafluoro FEVE coating and preparation method "
The MKC SILICATE MS58B15 of Mitsubishi Chemical have been used to reach self-cleaning effect in fluorocarbon coating, the patent, the auxiliary agent
If be used alone, initial stage water contact angle in 60-70, automatically cleaning effect is unsatisfactory, and coating storage during hold very much
The easy moisture absorption and fail, so as to reduce the Storage period of product.
Accordingly, it is desirable to provide a kind of fluorine carbon self-cleaning coating and preparation method.
The content of the invention
The invention solves the problems that first technical problem be to provide a kind of fluorine carbon self-cleaning coating, ensure fluorocarbon coating sheet
Under the premise of the service life of body, with very low water contact angle and resistance to carbon pollution characteristic.
The invention solves the problems that second technical problem be to provide a kind of preparation method of fluorine carbon self-cleaning coating, this method
Preparation technology is simple, it is easy to industrialize.
To solve above-mentioned first technical problem, the present invention uses following technical proposals：
A kind of fluorine carbon automatically cleaning coil coating, includes the raw material of following parts by weight：
Preferably, the alkoxy-modified silicones degree of polymerization is 4-12；The alkoxyl silicone resin is by alkoxy end-capped.
Silicone-modified silicones molecular weight is low, coating surface is easily moved to during baking paint, also easily
Hydrolysis produces hydrophilic radical, uses it for fluorine carbon self-cleaning coating and may be such that coating has more preferable self-cleaning function, water contact
Angle can be to less than 30 °.
It is highly preferred that the alkoxy-modified silicones is prepared by the following method：
(a) under inert gas shielding, solvent orange 2 A is added into reactor, 40~50 DEG C are warming up to, organic silicon monomer is added, stirs
Mix 30~40 minutes；The organic silicon monomer percentage by weight is 40%~60%；
(b) catalyst A is added dropwise to above-mentioned reactor, is warming up to after 60~70 DEG C and reacts 6-8 hours, produce alkoxy-modified
Silicones；The catalyst A percentage by weights are 0.5~1.5%；
The solvent orange 2 A selected from methanol, ethanol, isopropanol, n-butanol, ether, one kind in toluene, dimethylbenzene, distilled water
Or it is several；
Described catalyst A is organotin catalysts or acid catalyst；Wherein organotin catalysts are selected from tin dilaurate two
One or more in butyl tin, stannous octoate, dibutyltin diacetate, acid catalyst be selected from sulfuric acid, hydrochloric acid, nitric acid, phosphoric acid,
One or more in boric acid, aryl sulfonic acid and lewis acid.The organic silicon monomer is terminal hydroxy group siloxanes and alkoxyl silicone
Alkane；The alkoxy silane is selected from tetramethoxy-silicane, tetraethoxysilane, MTMS, methyl triethoxy
Silane, vinyltrimethoxy silane, VTES, butoxy silane, four butoxy silanes, pregnancy basic ring three
At least one of siloxanes, methylhydroxy silane or octamethylcy-clotetrasiloxane.
Preferably, the fluorocarbon resin is polyvinylidene fluoride resin；Preferably, the fluorocarbon resin is selected from A Kema's
One or more in PVDF301F, KYNAR 500 or PVDF 721.
Preferably, the acrylic resin is thermoplastic acrylic resin；Preferably, the acrylic resin is selected from sieve door
One or more in Haas B-48, B-60, A-21, B-44 or B-99.
Preferably, the amino resins is selected from melamine resin, methyl-etherified Lauxite, butyl ether ureaformaldehyde tree
One or more in fat, butyl ether melmac zoguanamine resin, methyl-etherified melmac or benzoguanamine formaldehyde resin.
Preferably, the acid catalyst is selected from toluene sulfonic acide, DBSA, dinonylnaphthalene sulfonic acid, dinonyl
One or more in naphthalenedisulfonic acid or DBSA amine.
Preferably, the color stuffing is selected from rutile type titanium white, iron oxide red, iron oxide yellow, carbon black, kaolin or sulphur
One or more in sour barium.
Preferably, one or more of the auxiliary agent in defoamer, dispersant or delustering agent；
It is highly preferred that the weight ratio of the defoamer, dispersant and delustering agent is 0.1~1.0：0.5~2.5：1.0~
4.0。
Preferably, the defoamer is selected from polysiloxanes, polyethers or polyamide；Gather it is highly preferred that the defoamer is selected from
Dimethyl siloxane, polyoxyethylene, polyoxypropylene pentaerythrite ether, polyoxyethylene polyoxy propyl alcohol amidogen ether, polypropylene glycerol aether
Or the one or more in polyacrylamide.
Preferably, the dispersant be selected from triethyl group hexyl phosphoric acid, sodium cellulose glycolate, fatty acid polyethylene glycol ester or
One or more in lauryl sodium sulfate.
Preferably, it is inorganic matter or organic matter that the delustering agent, which is selected from,；The inorganic matter delustering agent is selected from ultra-fine titanium dioxide
One or more in silicon, talcum powder, aluminum stearate or calcium stearate；The organic matter delustering agent is selected from polyvinyl paraffin wax, hydrogen
Change the one or more in castor oil or polytetrafluoroethylene (PTFE).
Preferably, the solvent is selected from cyclohexanone, dimethylbenzene, dibasic acid ester, butyl acetate, isophorone, methyl tert-butyl
The one or more of ketone or DAA.
Preferably, described hydrophilic additive is one kind in trimethyl orthoacetate, triethly orthoacetate.
To solve above-mentioned second technical problem, the present invention uses following technical proposals：
A kind of preparation method of fluorine carbon automatically cleaning coil coating, including following preparation process：
(1) fluorocarbon resin, acrylic resin, color stuffing, auxiliary agent and solvent are added in container, are well mixed；
(2) mixed material is ground to fineness≤15 μm by sand mill, obtains premix；
(3) amino resins, acid catalyst, alkoxy-modified silicones, hydrophilic additive are added in premix, stirring is equal
It is even, produce fluorine carbon self-cleaning coating.
Beneficial effects of the present invention are as follows：
Fluorine carbon self-cleaning coating of the present invention, directly makees face coat and uses, and photic super-hydrophilic coating function and fluorine carbon are applied
Material is combined, and simplifies coating processes, reduces energy consumption；
The silicone-modified silicones molecular weight that the present invention is used is low, and coating is easily moved to during baking paint
Surface, also easily hydrolysis produces hydrophilic radical, and the difficulty of directly fluorocarbon modified resin moves to surface and hydrolysis difficulty and caused
Water contact angle it is too high, fluorine carbon self-cleaning coating of the present invention has a more preferable self-cleaning function, water contact angle can to 30 ° with
Under；
The present invention does not use anatase thpe white powder to make additive, so maintaining the high-weatherability of fluorine carbon, has no effect on
The physical and mechanical properties and service life of fluorocarbon coating in itself.
The oxyalkylsiloxane that the present invention is synthesized using oneself, makes coating by the method for changing end alkoxy and the degree of polymerization
With lower water contact angle and self-cleaning effect steady in a long-term, self-cleaning coating is on storage time than being used alone three
The MKC SILICATE MS58B15 Storage period length of water chestnut chemistry is a lot.
Brief description of the drawings
The embodiment to the present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 shows atmospheric exposure initial graph, is from left to right followed successively by comparative example 1, embodiment 1, embodiment 3.
Fig. 2 shows that one month situation of atmospheric exposure is from left to right followed successively by comparative example 1, embodiment 1, embodiment 3.
Fig. 3 shows atmospheric exposure initial graph, is from left to right followed successively by comparative example 2, embodiment 2, embodiment 4.
Fig. 4 shows one month situation of atmospheric exposure, is from left to right followed successively by comparative example 2, embodiment 2, embodiment 4.
Embodiment
In order to illustrate more clearly of the present invention, the present invention is done further with reference to preferred embodiments and drawings
It is bright.Similar part is indicated with identical reference in accompanying drawing.It will be appreciated by those skilled in the art that institute is specific below
The content of description is illustrative and be not restrictive, and should not be limited the scope of the invention with this.
Embodiment 1
Led at one equipped with agitating paddle, thermometer, condenser pipe and nitrogen (whole course of reaction is carried out under nitrogen protection)
Enter to add 25g n-butanols in the four-hole boiling flask of pipe and 72.5g methanol is added and at the uniform velocity stirred in reaction vessel, warming-in-water to 40-
50 DEG C, by 50g hydrosiloxanes and 100 MTMSs at 40 DEG C~50 DEG C in input reaction vessel, stirring 30
~40 minutes, the mixture of 4.5g vinyltrimethoxy silanes and 1g dibutyl tin laurates is then added dropwise, is added dropwise to complete
Afterwards, stirring is warming up to 80 DEG C, and isothermal reaction 6h is cooled to room temperature discharging, obtains the poly- silica of methoxy group that the degree of polymerization is 4
Alkane.
By 32g fluorocarbon resins, 6g acrylic resins, 30g rutile titaniums white powder, 1g dimethyl silicone polymers, 2g aliphatic acid
Macrogol ester, 2.5g superfine silicon dioxides and 22g isophorones are added in container, well mixed with dispersion machine；
Mixed material is ground to fineness≤15 μm by sand mill；Then 4g butyl ether melamine trees are added
Fat, 0.2g toluene sulfonic acides, 3.8g methoxy groups polysiloxanes, 5g trimethyl orthoacetates, are uniformly dispersed, i.e., using mixer
Fluorine carbon self-cleaning coating is obtained, the fluorine carbon self-cleaning coating water contact angle is 35 °, and carbon pollution aberration Δ E is 0.78.
Method of testing：
Water contact angle：The steel plate from fluorine carbon self-cleaning coating will be scribbled, be put into 50 DEG C, the climatic chamber of more than 95 humidity
In 18 hours, after taking-up, room temperature place drying in 2 hours, then using water contact angle instrument start test, test condition：Pure water drips
Next drop (2 microlitres), is tested after 3 seconds, and 5 points are tested altogether, are averaged.
Carbon pollution：The Germany DEGUSSA production high-quality carbon blacks of FW200 types are prepared, are matched somebody with somebody by the concentration and distilled water of 5% weight
Suspension is made, 60 degrees Celsius of aging 1h in drying box are put into, rinses, is gently cleaned down with wool brush under running water after taking-up
Coating surface, the Δ E values tested using the desk-top spectrophotometric color measurement instruments of Minolta CM-3600A before and after carbon pollution.
Embodiment 2
100g acetic acid fourths are added in a four-hole boiling flask equipped with agitating paddle, thermometer, condenser pipe and nitrogen ingress pipe
Ester and 75% solvent of 30g methanol total amounts are added at the uniform velocity to be stirred in reaction vessel, and warming-in-water is to 40-50 DEG C, by 50g hydroxyls
Siloxanes and 119g MTESs are put into reaction vessel at 40 DEG C~50 DEG C, stirring 30~40 minutes, then
The mixture of 4.1g vinyltrimethoxy silanes and 1.3g dibutyl tin laurates is added dropwise, after being added dropwise to complete, stirring heating
To 80 DEG C, isothermal reaction 6h is cooled to room temperature discharging, prepares the ethyoxyl terminated polysiloxane that the degree of polymerization is 4, entirely reacted
Journey is carried out under nitrogen protection.
By 32g fluorocarbon resins, 10g acrylic resins, 15g rutile titaniums white powder, 17g iron oxide reds, 1g poly dimethyl silicon
Oxygen alkane, 2g fatty acid polyethylene glycol esters and 22g isophorones are added in container, uniform with dispersant；
Mixed material is ground to fineness≤15 μm by sand mill, 4g butyl ether melamine trees are then added
Fat, 0.2g toluene sulfonic acides, 4.7g ethyoxyls terminated polysiloxane, 5g trimethyl orthoacetates, are uniformly dispersed, i.e., using mixer
Fluorine carbon self-cleaning coating is obtained, the fluorine carbon self-cleaning coating water contact angle is 31 °, and carbon pollution aberration Δ E is 0.79.
Embodiment 3
80g butyl acetates are added in a four-hole boiling flask equipped with agitating paddle, thermometer, condenser pipe and nitrogen ingress pipe
Add and at the uniform velocity stirred in reaction vessel with 75% solvent of 30g dimethylbenzene total amounts, warming-in-water is to 40-50 DEG C, by 38g hydroxyls
Siloxanes and 70 MTESs are put into reaction vessel at 40 DEG C~50 DEG C, stir 1h, and 32g methyl is then added dropwise
The mixture of three butoxy silanes and 0.7g dibutyltin diacetates, after being added dropwise to complete, stirring is warming up to 80 DEG C, isothermal reaction
5h, is cooled to room temperature discharging, prepares the ethyoxyl butoxy terminated polysiloxane that the degree of polymerization is 12, whole course of reaction is in nitrogen
Protection is lower to be carried out.
By 34g fluorocarbon resins, 9g acrylic resins, 27g rutile titaniums white powder, 1g dimethyl silicone polymers, 2g aliphatic acid
Macrogol ester, 2g polytetrafluoroethylene (PTFE), 25g isophorones and remaining mixed solvent are added in container, use dispersant
Uniformly；
Mixed material is ground to fineness≤15 μm by sand mill, 3g methyl-etherified melamine trees are then added
Fat, 0.2g DBSAs, 6g ethyoxyl butoxy terminated polysiloxane, it is uniformly dispersed using mixer, produces fluorine carbon
Self-cleaning coating, the fluorine carbon self-cleaning coating water contact angle is 27 °, and carbon pollution aberration Δ E is 0.55.
Embodiment 4
80g butyl acetates are added in a four-hole boiling flask equipped with agitating paddle, thermometer, condenser pipe and nitrogen ingress pipe
Add and at the uniform velocity stirred in reaction vessel with 75% solvent of 30g dimethylbenzene total amounts, warming-in-water is to 40-50 DEG C, by 38g hydroxyls
Siloxanes and the butoxy silane of 94 methyl three are put into reaction vessel at 40 DEG C~50 DEG C, are stirred 50~60 minutes, are then dripped
Plus the mixture of the butoxy silane of 3g methyl three and 1g dibutyltin diacetates, after being added dropwise to complete, stirring is warming up to 80 DEG C, constant temperature
5.5h is reacted, room temperature discharging is cooled to, the butoxy terminated polysiloxane that the degree of polymerization is 8 is prepared, whole course of reaction is in nitrogen
Protection is lower to be carried out.
By 34g fluorocarbon resins, 9g acrylic resins, 15g rutile titaniums white powder, 17g iron oxide reds, 1g polydimethylsiloxanes
Alkane, 2g fatty acid polyethylene glycol esters, 2g polytetrafluoroethylene (PTFE), 25g isophorones and remaining mixed solvent are added in container, are used
Dispersant is uniform, and mixed material is ground into fineness≤15 μm by sand mill, then adds 3g methyl-etherified trimerizations
Melamine resin, 0.2g DBSAs, 6g butoxy terminated polysiloxane, it is uniformly dispersed using mixer, produces fluorine carbon
Self-cleaning coating, the fluorine carbon self-cleaning coating water contact angle is 29 °, and carbon pollution aberration Δ E is 0.57.
Embodiment 5
By A Kema 4 parts of 28 parts of PVDF301F, ROHM AND HAAS B-48, iron oxide yellow, kaolin and barium sulfate 1:1:1
25 parts of mixture, 0.10 part of polyoxypropylene pentaerythrite ether, 0.5 part of triethyl group hexyl phosphoric acid, 1.0 parts of talcum powder, cyclohexanone
20 parts, it is well mixed, mixed material is ground to fineness≤15 μm by sand mill, then adds melamino-formaldehyde tree
2 parts of alkoxy-modified silicones prepared by 0.5 part of fat, 0.1 part of dinonylnaphthalene sulfonic acid, embodiment 1, it is scattered equal using mixer
It is even, fluorine carbon self-cleaning coating is produced, the fluorine carbon self-cleaning coating performance is approached with embodiment 1.
Embodiment 6
By 500 35 parts of KYNAR, 4 parts of ROHM AND HAAS B-60, iron oxide yellow and barium sulfate 1:It is 1 35 parts of mixture, poly-
1.0 parts of acrylamide, 2.5 parts of sodium cellulose glycolate, 4.0 parts of polyvinyl paraffin wax, 30 parts of methylisobutylketone, are well mixed, will
Mixed material is ground to fineness≤15 μm by sand mill, then adds 5 parts of melamine resin, dinonyl naphthalene sulphur
8 parts of alkoxy-modified silicones prepared by 0.5 part of acid, embodiment 1, is uniformly dispersed using mixer, produces the painting of fluorine carbon automatically cleaning
Material, the fluorine carbon self-cleaning coating performance is approached with embodiment 1.
Embodiment 7
By 721 parts of PVDF, 3 parts of ROHM AND HAAS B-99, iron oxide yellow and barium sulfate 1:0.5 30 parts of mixture, poly- third
0.5 part of acrylamide, 2.0 parts of sodium cellulose glycolate, 3.0 parts of calcium stearate, 25 parts of DAA, are well mixed, after mixing
Material fineness≤15 μm are ground to by sand mill, then add 4 parts of benzoguanamine formaldehyde resin, detergent alkylate sulphur
5 parts of ethyoxyl terminated polysiloxane prepared by 0.3 part of acid amide, embodiment 2, is uniformly dispersed using mixer, produces fluorine carbon from clear
Clean coating, the fluorine carbon self-cleaning coating performance is approached with embodiment 1.
Embodiment 8
Be the same as Example 1, it the difference is that only：Butyl ether melmac zoguanamine resin is replaced using methyl-etherified Lauxite.
Gained coating property is approached with embodiment 1.
Embodiment 9
Be the same as Example 1, it the difference is that only that alkoxy-modified silicones is prepared by the following method：
(a) under inert gas shielding, by methanol and ethanol 1：1 mixture adds reactor, is warming up to 40 DEG C, adds six
Methyl cyclotrisiloxane and VTES monomer, are stirred 30 minutes；The organic silicon monomer weight is solvent
1.2 again；
(b) stannous octoate is added to above-mentioned reactor, is warming up to after 70 DEG C and reacts 6 hours, produce alkoxy-modified silicon tree
Fat；The stannous octoate weight is the 0.8% of organic silicon monomer.
Embodiment 10
Be the same as Example 1, it the difference is that only that alkoxy-modified silicones is prepared by the following method：
(a) under inert gas shielding, by toluene and ethanol 1：0.6 mixture adds reactor, is warming up to 50 DEG C, addition
Hexamethyl cyclotrisiloxane and VTES monomer, are stirred 40 minutes；The organic silicon monomer weight is solvent
1.1 times；
(b) stannous octoate is added to above-mentioned reactor, is warming up to after 80 DEG C and reacts 8 hours, produce alkoxy-modified silicon tree
Fat；The stannous octoate weight is the 0.8% of organic silicon monomer.
Comparative example 1
By 32g fluorocarbon resins, 6g acrylic resins, 30g rutile titaniums white powder, 1g dimethyl silicone polymers, 2g aliphatic acid
Macrogol ester, 2.5g superfine silicon dioxides and 22g isophorones are added in container, are well mixed；
Mixed material is ground to fineness≤15 μm by sand mill；Then 7.8g butyl ether melamine trees are added
Fat, 0.2g toluene sulfonic acides, 5g triethly orthoacetates, are uniformly dispersed using mixer, produce fluorine carbon self-cleaning coating.
Comparative example 2
By 32g fluorocarbon resins, 10g acrylic resins, 15g rutile titaniums white powder, 17g iron oxide reds, 1g poly dimethyl silicon
Oxygen alkane, 2g fatty acid polyethylene glycol esters and 22g isophorones are added in container, are well mixed；
Mixed material is ground to fineness≤15 μm by sand mill；Then 4g butyl ether melamine trees are added
Fat, 0.2g toluene sulfonic acides, 5g trimethyl orthoacetates, it is uniformly dispersed using mixer, produces fluorine carbon self-cleaning coating.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not pair
The restriction of embodiments of the present invention, for those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms, all embodiments can not be exhaustive here, it is every to belong to this hair
Row of the obvious changes or variations that bright technical scheme is extended out still in protection scope of the present invention.
Claims (14)
1. a kind of fluorine carbon automatically cleaning coil coating, it is characterised in that include the raw material of following parts by weight：
The alkoxy-modified silicones is prepared by the following method：
(a) under inert gas shielding, solvent orange 2 A is added into reactor, 40~50 DEG C are warming up to, organic silicon monomer, stirring 30 is added
~40 minutes；The organic silicon monomer percentage by weight is 40%~60%；
(b) catalyst A is added dropwise to above-mentioned reactor, is warming up to after 60~70 DEG C and reacts 6-8 hours, produce alkoxy-modified silicon tree
Fat；The catalyst A percentage by weights are 0.5~1.5%；
The one kind or several of the solvent orange 2 A in methanol, ethanol, isopropanol, n-butanol, ether, toluene, dimethylbenzene, distilled water
Kind；
The catalyst A is organotin catalysts or acid catalyst；The organotin catalysts be selected from dibutyl tin laurate,
One or more in stannous octoate, dibutyltin diacetate, acid catalyst is selected from sulfuric acid, hydrochloric acid, nitric acid, phosphoric acid, boric acid, virtue
One or more in base sulfonic acid and lewis acid；
The organic silicon monomer is terminal hydroxy group siloxanes and alkoxy silane；The alkoxy silane is selected from tetramethoxy-silicane,
Tetraethoxysilane, MTMS, MTES, vinyltrimethoxy silane, the second of vinyl three
TMOS, butoxy silane, four butoxy silanes, hexamethyl cyclotrisiloxane, methylhydroxy silane or the silicon of prestox ring four
At least one of oxygen alkane；
One or more of the auxiliary agent in defoamer, dispersant or delustering agent；
Described hydrophilic additive is one kind in trimethyl orthoacetate, triethly orthoacetate.
2. fluorine carbon automatically cleaning coil coating according to claim 1, it is characterised in that：The alkoxy-modified silicones gathers
Right is 4~12；The alkoxy-modified silicones is by alkoxy end-capped.
3. fluorine carbon automatically cleaning coil coating according to claim 1, it is characterised in that：The fluorocarbon resin is to gather inclined difluoro
Vinyl.
4. fluorine carbon automatically cleaning coil coating according to claim 1, it is characterised in that：The fluorocarbon resin is selected from A Kema
PVDF301F, KYNAR 500 or PVDF 721 in one or more.
5. fluorine carbon automatically cleaning coil coating according to claim 1, it is characterised in that：The acrylic resin is thermoplasticity
Acrylic resin.
6. fluorine carbon automatically cleaning coil coating according to claim 1, it is characterised in that：The acrylic resin is selected from sieve door
One or more in Haas B-48, B-60, A-21, B-44 or B-99.
7. fluorine carbon automatically cleaning coil coating according to claim 1, it is characterised in that：The amino resins is selected from melamine
Amine-formaldehyde resins, methyl-etherified Lauxite, butyl ether Lauxite, butyl ether melmac zoguanamine resin, methyl-etherified melamine tree
One or more in fat or benzoguanamine formaldehyde resin.
8. fluorine carbon automatically cleaning coil coating according to claim 1, it is characterised in that：The acid catalyst is selected from methylbenzene
Sulfonic acid, DBSA, dinonylnaphthalene sulfonic acid, dinonylnaphthalene disulfonic acid or one kind or several in DBSA ammonium
Kind.
9. fluorine carbon automatically cleaning coil coating according to claim 1, it is characterised in that：The color stuffing is selected from rutile-type
One or more in titanium dioxide, iron oxide red, iron oxide yellow, carbon black, kaolin or barium sulfate.
10. fluorine carbon automatically cleaning coil coating according to claim 1, it is characterised in that：The defoamer, dispersant and disappear
The weight ratio of photo etching is 0.1~1.0：0.5~2.5：1.0~4.0.
11. fluorine carbon automatically cleaning coil coating according to claim 1, it is characterised in that：The defoamer is selected from poly- silica
Alkane, polyethers or polyamide；The dispersant is selected from triethyl group hexyl phosphoric acid, sodium cellulose glycolate, fatty acid polyethylene glycol ester
Or the one or more in lauryl sodium sulfate；It is inorganic matter or organic matter that the delustering agent, which is selected from,；The inorganic matter delustring
One or more of the agent in superfine silicon dioxide, talcum powder, aluminum stearate or calcium stearate；The organic matter delustering agent choosing
One or more from polyvinyl paraffin wax, rilanit special or polytetrafluoroethylene (PTFE).
12. fluorine carbon automatically cleaning coil coating according to claim 1, it is characterised in that：The defoamer is selected from poly- diformazan
Radical siloxane, polyoxyethylene, polyoxypropylene pentaerythrite ether, polyoxyethylene polyoxy propyl alcohol amidogen ether, polypropylene glycerol aether or poly-
One or more in acrylamide.
13. fluorine carbon automatically cleaning coil coating according to claim 1, it is characterised in that：The solvent is selected from cyclohexanone, two
Toluene, dibasic acid ester, butyl acetate, isophorone, the one or more of methylisobutylketone or DAA.
14. the preparation method of the fluorine carbon automatically cleaning coil coating as described in claim any one of 1-13, it is characterised in that including
Following preparation process：
(1) fluorocarbon resin, acrylic resin, color stuffing, auxiliary agent and solvent are added in container, are well mixed；
(2) mixed material is ground to fineness≤15 μm by sand mill, obtains premix；
(3) amino resins, acid catalyst, alkoxy-modified silicones, hydrophilic additive are added in premix, is stirred, i.e.,
Obtain fluorine carbon self-cleaning coating.
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| CN116790162A (en) * | 2022-12-22 | 2023-09-22 | 德杰盟工程科技(苏州)有限公司 | Super-hydrophobic self-cleaning coating, preparation method and application |
| CN116144245B (en) * | 2022-12-29 | 2024-08-09 | 山东高速交通科技有限公司 | Epoxy polysiloxane metallic paint for highway bridge steel structure |
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