CN109021757A - A kind of self-cleaning coating and preparation method thereof and automatically cleaning wall ornamentation - Google Patents
A kind of self-cleaning coating and preparation method thereof and automatically cleaning wall ornamentation Download PDFInfo
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- CN109021757A CN109021757A CN201810789106.2A CN201810789106A CN109021757A CN 109021757 A CN109021757 A CN 109021757A CN 201810789106 A CN201810789106 A CN 201810789106A CN 109021757 A CN109021757 A CN 109021757A
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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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
- C09D133/16—Homopolymers or copolymers of esters containing halogen atoms
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/22—Esters containing halogen
- C08F220/24—Esters containing halogen containing perhaloalkyl radicals
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- 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
- C09D5/1668—Vinyl-type polymers
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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
- C09D5/1687—Use of special additives
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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
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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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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Abstract
The present invention provides a kind of self-cleaning coating and preparation method thereof and automatically cleaning wall ornamentation, the raw material of coating includes having R'CH2OOCRC=CH220~40 parts of the acrylate of general formula, R are selected from H or C1~C5 alkyl, and R' is selected from H or C1~C14 alkyl；With CnF(2n+1)(CH2)mOOCHC=CH230~150 parts of the fluoroalkyl acid esters of general formula；10~30 parts of vinyl ethers；10~40 parts of perfluor dodecyl mercaptans；0.02~0.05 part of initiator；30~70 parts of compounded mix；2~20 parts of lignum cinnamomi camphorae micro mist；5~20 parts and 500 parts of solvent of auxiliary agent.The self-cleaning coating hydrophobicity is stronger；Automatically cleaning wall ornamentation has preferable self-cleaning property, soil release performance and wearability, gently one is wiped with rag, the dust for being attached to body surface is taken away by wet rag, and very convenient cleaning, surface is not easy to be scribbled or sewage covers.
Description
Technical field
The invention belongs to technical field of coatings more particularly to a kind of self-cleaning coating and preparation method thereof and automatically cleaning wall
Ornament.
Background technique
Common wall ornamentation includes wallpaper, wall cloth, hangs the ornaments such as picture.Wallpaper or wall cloth refer to using paper or cloth as base
Material is rolled with Corvic or other fibrous materials etc. for surface layer or is coated with and prints, is embossed or foam and make
At a kind of quite extensive indoor wall ornament materials of application.It has it is rich in color, change in pattern is various, texture is different,
Decorative effect elegant, the features such as construction efficiency is high, are widely used in family and finishing work.
It is difficult in use since wallpaper or wall cloth do not have the protection of glass or organic glass in ornament classification
Exempt to will receive the invasion of pollutant, the attachment of these pollutants is easy so that mildew and discoloration occur for wallpaper or wall cloth, is influenced
The beauty of ornament, therefore, antifouling self-cleaning performance increasingly become requirement of the consumer to wallpaper or wall cloth.Antifouling automatically cleaning
Performance requirement wallpaper or wall cloth can have hydrophobic performance, this allow for wallpaper or wall cloth be able to use the tool of rag etc into
Row cleaning, while infiltration of the dirt into wallpaper or wall cloth can be prevented.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of self-cleaning coatings and preparation method thereof and automatically cleaning wall to fill
The hydrophobicity of ornaments, the coating is stronger.
The present invention provides a kind of self-cleaning coatings, and based on parts by weight, raw material includes following components:
20~40 parts of acrylate, 30~150 parts of fluoroalkyl acid esters, 10~30 parts of vinyl ethers, perfluor dodecane
10~40 parts of mercaptan, 0.02~0.05 part of initiator, 30~70 parts of compounded mix, 2~20 parts of lignum cinnamomi camphorae micro mist, auxiliary agent 5~20
Part and 500 parts of solvent；
The acrylate has formula 1. general formula: R'CH2OOCRC=CH2；The R is selected from H or C1~C5 alkyl；The R'
Selected from H or C1~C14 alkyl；
The fluoroalkyl acid esters has formula 2. general formula: CnF(2n+1)(CH2)mOOCHC=CH2；Wherein, 1≤m≤10,4
≤n≤14。
Preferably, the acrylate is selected from methyl methacrylate, Isobutyl methacrylate, the positive fourth of methacrylic acid
One of ester and n-butyl acrylate are a variety of；
The fluoroalkyl acid esters is selected from C4F9(CH2)2OOCHC=CH2、C6F13CH2OOCHC=CH2、C8F17(CH2)10OOCHC=CH2、C10F21(CH2)3OOCHC=CH2And C14F29(CH2)2OOCHC=CH2One of or it is a variety of.
Preferably, the vinyl ethers is selected from perfluoropropylvinylether, perfluoro methyl vinyl ether and glycol butyl
One of vinyl ethers is a variety of.
Preferably, the compounded mix is fumed silica, bamboo charcoal powder, aluminium oxide, transparent powder and ten trifluoro octyls three
The mixture of Ethoxysilane.
Preferably, the auxiliary agent is selected from one of thickener, levelling agent, surfactant and diluent or a variety of.
Preferably, the initiator is selected from one of azodiisobutyronitrile, benzoyl peroxide and dilauroyl peroxide
Or it is a variety of.
The present invention provides a kind of preparation methods of self-cleaning coating described in above-mentioned technical proposal, comprising the following steps:
S1: acrylate is dissolved in partial solvent, is added the compounded mix of 30~60wt.%, is uniformly dispersed, obtains
First slurry；The acrylate has formula 1. general formula: R'CH2OOCRC=CH2；The R is selected from H or C1~C5 alkyl；It is described
R' is selected from H or C1~C14 alkyl；
S2: fluoroalkyl acid esters is dissolved in remainder solvent, adds 40~70wt.% compounded mix, dispersion
Uniformly, the second slurry is obtained；The fluoroalkyl acid esters has formula 2. general formula: CnF(2n+1)(CH2)mOOCHC=CH2；Wherein,
1≤m≤10,4≤n≤14；
S3: first slurry and the second slurry being mixed, vinyl ethers, initiator, perfluor dodecyl mercaptans are added,
Auxiliary agent, lignum cinnamomi camphorae micro mist is added after reaction at 50~90 DEG C, is uniformly dispersed, obtains self-cleaning coating.
The present invention provides a kind of automatically cleaning wall ornamentations, and the automatically cleaning including substrate and coating on the substrate applies
Layer；The substrate is selected from finished product wallpaper, semi-finished product wallpaper, semi-finished product wall cloth or finished product wall cloth；
Preparation method described in automatic cleaning coating self-cleaning coating or above-mentioned technical proposal as described in above-mentioned technical proposal
The self-cleaning coating coating of preparation is made.
Preferably, the automatic cleaning coating with a thickness of 80~200 μm.
The work of acrylate, fluoroalkyl acid esters and vinyl ethers in initiator in self-cleaning coating provided by the invention
Fine and close film is formed with lower copolymerization, contains-CF in film3Group, regular hexagonal closs packing arrangement, reduces the surface of film certainly
By energy, so that the hydrophobicity of self-cleaning coating is stronger.Automatically cleaning wall ornamentation has preferable self-cleaning property, easy decontamination
Property and wearability.It gently one is wiped with rag, the dust for being attached to body surface is taken away by wet rag, very convenient cleaning, table
Face is not easy to be scribbled or sewage covers.The results showed that contact angle is when 100 μ m thick coating is made in self-cleaning coating
153 °~171 °；Pencil scratch hardness is 2H；Colour fastness to rubbing: xerotripsis and wet rubbing are 5 grades；It is tested in soil release performance test
Color difference is 5 grades；Roll angle is 6 °~8 ° in self-cleaning-test.
Specific embodiment
The present invention provides a kind of self-cleaning coatings, and based on parts by weight, raw material includes following components:
20~40 parts of acrylate, 30~150 parts of fluoroalkyl acid esters, 10~30 parts of vinyl ethers, perfluor dodecane
10~40 parts of mercaptan, 0.02~0.05 part of initiator, 30~70 parts of compounded mix, 2~20 parts of lignum cinnamomi camphorae micro mist, auxiliary agent 5~20
Part and 500 parts of solvent；
The acrylate has formula 1. general formula: R'CH2OOCRC=CH2；The R is selected from H or C1~C5 alkyl；The R'
Selected from H or C1~C14 alkyl；
The fluoroalkyl acid esters has formula 2. general formula: CnF(2n+1)(CH2)mOOCHC=CH2；Wherein, 1≤m≤10,4
≤n≤14。
The work of acrylate, fluoroalkyl acid esters and vinyl ethers in initiator in self-cleaning coating provided by the invention
Fine and close film is formed with lower copolymerization, contains-CF in film3Group, regular hexagonal closs packing arrangement, reduces the surface of film certainly
By energy, so that the hydrophobicity of self-cleaning coating is stronger.Rolling band of the film that the coating is formed by water droplet on its surface
Pollutant is walked, self-cleaning purpose is reached；Also there is preferable soil release performance and wearability.
The raw material of self-cleaning coating provided by the invention includes 20~40 parts of acrylate, preferably 22~38 parts.It is described
Acrylate has formula 1. general formula: R'CH2OOCRC=CH2；The R is selected from H or C1~C5 alkyl；The R' be selected from H or C1~
C14 alkyl；The acrylate be preferably methyl methacrylate, Isobutyl methacrylate, n-BMA and
One of n-butyl acrylate is a variety of.In the specific embodiment of the invention, the acrylate is specially methacrylic acid
N-butyl；Or methyl methacrylate；Or the mixture of Isobutyl methacrylate and n-butyl acrylate.
The raw material of self-cleaning coating provided by the invention includes 30~150 parts of fluoroalkyl acid esters, and preferably 35~140
Part.The fluoroalkyl acid esters has formula 2. general formula: CnF(2n+1)(CH2)mOOCHC=CH2；Wherein, 1≤m≤10,4≤n≤
14；The fluoroalkyl acid esters is preferably C4F9(CH2)2OOCHC=CH2、C6F13CH2OOCHC=CH2、C8F17(CH2)10OOCHC=CH2、C10F21(CH2)3OOCHC=CH2And C14F29(CH2)2OOCHC=CH2One of or it is a variety of.In the present invention
In specific embodiment, the fluoroalkyl acid esters is specially perfluor myristyl butyl propyleneglycol acid esters, perfluoro capryl butyl third
Olefin(e) acid ester or perfluoro butyl ethyl propylene acid esters.In the present invention ,-CF in the fluoroalkyl acid esters3Group can reduce painting
Material forms surface free energy when film.If the surface of film can be lower than pollutant, pollutant is difficult to stabilization and is attached to film
Surface.
The raw material of self-cleaning coating provided by the invention includes 10~30 parts of vinyl ethers, preferably 12~28 parts.It is described
Vinyl ethers be preferably one of perfluoropropylvinylether, perfluoro methyl vinyl ether and glycol butyl vinyl ether or
It is a variety of.
The raw material of self-cleaning coating provided by the invention includes 0.02~0.05 part of initiator.The initiator is preferably even
One of nitrogen bis-isobutyronitrile, benzoyl peroxide and dilauroyl peroxide are a variety of.In the present invention, the acrylate,
Fluoroalkyl acid esters and vinyl ethers are copolymerized in the presence of initiator forms dense film, so that the coating tool that coating is formed
There is excellent hydrophobicity.
The raw material of self-cleaning coating provided by the invention includes 30~70 parts of compounded mix, preferably 33~68 parts.It is described
Compounded mix is preferably the mixing of fumed silica, bamboo charcoal powder, aluminium oxide, transparent powder and tridecafluoro-n-octyltriethoxysilane
Object.The quality of fumed silica, bamboo charcoal powder, aluminium oxide, transparent powder and tridecafluoro-n-octyltriethoxysilane in compounded mix
Than being preferably 5~25:2~10:3~10:5~10:10~30.
The raw material of self-cleaning coating provided by the invention includes 2~20 parts of lignum cinnamomi camphorae micro mist.The lignum cinnamomi camphorae is a kind of day
Right insect-repellent, mothproof, moistureproof and mildewproof, air purification effect with insect prevention.The presence of the lignum cinnamomi camphorae micro mist and compounded mix
So that coating has preferable mechanical performance, rub resistance.
The raw material of self-cleaning coating provided by the invention includes 5~20 parts of auxiliary agent.The auxiliary agent is preferably thickener, levelling
One of agent, surfactant and diluent are a variety of.In the present invention, the thickener is substantially that a kind of rheology helps
Agent is adjustable rheological characteristic, thickens coating, prevents filler from precipitating, and assigns good physical mechanical stability, controls work progress
Rheological characteristic (when sizing not sagging, non-drip, not fly liquid), moreover it is possible to reduce cost；The thickener is preferably hydroxy ethyl fiber
Element and/or propylene glycol alginate.The levelling agent can promote coating during the drying and film forming process, and formation one is smooth, smooth, equal
Even film.Coating surface tension can be effectively reduced, improve its levelability and uniformity；The levelling agent is preferably organic silicon
Levelling agent and/or polyacrylic levelling agent.The diluent can adjusting coating coating when viscosity, more convenient appearance of constructing
Easily；The diluent is preferably methanol and/or butyl acetate.
The raw material of self-cleaning coating provided by the invention includes 500 parts of solvent.The solvent be preferably methyl ethyl ketone, acetone,
One of isophorone, ethyl acetate, tetrahydrofuran, n,N-Dimethylformamide, chloroform, toluene and dimethylbenzene are a variety of,
More preferably one of toluene, methyl ethyl ketone and N,N-dimethylformamide or a variety of.
The present invention provides a kind of preparation methods of self-cleaning coating described in above-mentioned technical proposal, comprising the following steps:
S1: acrylate is dissolved in partial solvent, is added the compounded mix of 30~60wt.%, is uniformly dispersed, obtains
First slurry；The acrylate has formula 1. general formula: R'CH2OOCRC=CH2；The R is selected from H or C1~C5 alkyl；It is described
R' is selected from H or C1~C14 alkyl；In embodiments of the present invention, the mass ratio of the acrylate and partial solvent is preferably 1:3
~1:7.
S2: fluoroalkyl acid esters is dissolved in remainder solvent, adds 40~70wt.% compounded mix, dispersion
Uniformly, the second slurry is obtained；The fluoroalkyl acid esters has formula 2. general formula: CnF(2n+1)(CH2)mOOCHC=CH2；Wherein,
1≤m≤10,4≤n≤14；In embodiments of the present invention, the mass ratio of the fluoroalkyl acid value and remainder solvent is excellent
It is selected as 1:3~1:7.
S3: first slurry and the second slurry being mixed, vinyl ethers, initiator, perfluor dodecyl mercaptans are added,
Auxiliary agent, lignum cinnamomi camphorae micro mist is added after reaction at 50~90 DEG C, is uniformly dispersed, obtains self-cleaning coating.
The present invention provides a kind of automatically cleaning wall ornamentations, and the automatically cleaning including substrate and coating on the substrate applies
Layer；The substrate is selected from finished product wallpaper, semi-finished product wallpaper, semi-finished product wall cloth or finished product wall cloth；
The coating of automatic cleaning coating self-cleaning coating as described in above-mentioned technical proposal is made.
In the present invention, the thickness of the automatic cleaning coating is preferably at 80 μm or more；More preferably 80~200 μm.
It is anti-to make it have extremely strong hydrophobic, waterproof effect and surface by being coated with one layer of coating in substrate surface by the present invention
Viscosity gently one is wiped with rag, and the dust for being attached to body surface is taken away by wet rag, very convenient cleaning；Its surface is not easy
It is scribbled or sewage covers.Automatically cleaning wall ornamentation takes away pollutant in the movement of film coated surface by water droplet to reach
Self-cleaning purpose.
Automatically cleaning principle of the invention: it is accounted in the contact area of super sulphur water coating surface, water droplet and super sulphur water coating surface
The 2-3% of the gross area is detained a large amount of air between water droplet and super sulphur water coat side.The size of contaminant particle is often both greater than super
The microstructure size of sulphur water coating surface, their only tip contacts with super sulphur water coating microstructure, real contact area is very
It is small.Since their adhesive force between super sulphur water coating surface are much smaller than the adhesive force between water droplet, when wet rag
Coating was smeared, the pollution particle in super sulphur water coat side will be by mobile water droplet " capture ", as rag is taken away, to reach
Self-cleaning effect.
In order to further illustrate the present invention, below with reference to embodiment to a kind of self-cleaning coating provided by the invention and its system
Preparation Method and automatically cleaning wall ornamentation are described in detail, but they cannot be interpreted as to the limit to the scope of the present invention
It is fixed.
Self-cleaning coating obtained above is uniformly coated on wallpaper surface, drying and forming-film, coating layer thickness 100 by the present invention
μm, the wallpaper after forming a film to it carries out hydrophobicity, pencil scratch hardness, colour fastness to rubbing, soil release performance, the property of self-cleaning property
It can test.
Wherein, hydrophobicity test is using the test of SL200D type contact angle tester to the wetability of water；Pencil scratch hardness
Test is tested by GB/T 6739-96 standard；Colour fastness to rubbing test is tested by QB/T 4034-2010 standard；
Soil release performance test is tested according to FZ/T 01118-2012 standard (wipe method)；Self-cleaning property test method: wallpaper is pasted onto
Powdered carbon is uniformly applied and is sprinkling upon on wallpaper by smooth glass pane surface, is then dripped 0.5mL water droplet with sample injector, glass plate is inclined
Oblique certain angle, water droplet start forerunner's flowing, carbon black are taken away, and record tilt angle, roll angle is smaller, illustrates self-cleaning coating
Self-cleaning property it is better.
Embodiment 1
The preparation of self-cleaning coating the following steps are included:
(1) 22 weight parts of methacrylic acid N-butyls are dissolved in the toluene of 154 parts by weight, are added that 40 parts by weight are compound fills out
Material, is uniformly dispersed, obtains the first slurry, spare；The compounded mix be mass ratio 10:3:4:8:15 fumed silica,
Bamboo charcoal powder, aluminium oxide, transparent powder and ten trifluoro octyl triethoxysilicanes mixture；
(2) the perfluoro butyl ethyl propylene acid esters of 115 parts by weight is dissolved in the toluene of 346 parts by weight, 30 weight is added
The above-mentioned compounded mix of part, is uniformly dispersed, obtains the second slurry, spare；
(3) first slurry is mixed with the second slurry, the perfluoropropylvinylether of 15 parts by weight of addition,
The perfluor dodecyl mercaptans of the initiator azodiisobutyronitrile of 0.025 parts by weight, 25 parts by weight, 88 DEG C react 16 hours, most
The methanol dilution of the hydroxyethylcellulose thickener of 3 parts by weight, the silicone levelling agent of 6 parts by weight, 2 parts by weight is added afterwards
Agent, 10 parts by weight lignum cinnamomi camphorae micro mist, be uniformly dispersed, obtain self-cleaning coating.
The present invention is tested for the property self-cleaning coating prepared by embodiment 1 according to test described in above-mentioned technical proposal,
It the results are shown in Table 1.
Embodiment 2
The preparation of self-cleaning coating the following steps are included:
(1) methyl methacrylate of 37 parts by weight is dissolved in the methyl ethyl ketone of 111 parts by weight, methyl methacrylate and
The weight ratio of methyl ethyl ketone is 1:3, and the compounded mix of 15 parts by weight is added, is uniformly dispersed, obtains the first slurry, spare；It is described multiple
Closing filler is the fumed silica of mass ratio 20:7:9:5:28, bamboo charcoal powder, three second of aluminium oxide, transparent powder and ten trifluoro octyls
The mixture of oxygroup silicon；
(2) the perfluoro capryl butyl propyleneglycol acid esters of 57 parts by weight is dissolved in the methyl ethyl ketone of 389 parts by weight, 35 weight is added
The above-mentioned compounded mix of part, is uniformly dispersed, obtains the second slurry, spare；
(3) first slurry is mixed with the second slurry, perfluoro methyl vinyl ether, 0.05 weight of 28 parts by weight is added
The benzoyl peroxide of part, the perfluor dodecyl mercaptans of 38 parts by weight are measured, is reacted 20 hours at 60 DEG C, is eventually adding 6 parts by weight
Thickener propylene glycol alginate, the polyacrylic levelling agent of 3 parts by weight, the diluent butyl acetate of 1 parts by weight, 18 weight
The lignum cinnamomi camphorae micro mist of part, is uniformly dispersed, obtains self-cleaning coating.
The present invention is tested for the property self-cleaning coating prepared by embodiment 2 according to test described in above-mentioned technical proposal,
It the results are shown in Table 1.
Embodiment 3
The preparation of self-cleaning coating the following steps are included:
(1) n-butyl acrylate of the Isobutyl methacrylate of 14 parts by weight and 21 parts by weight is dissolved in 175 parts by weight
N,N-Dimethylformamide in, be added 19 parts by weight compounded mix, be uniformly dispersed, obtain the first slurry, it is spare；It is described multiple
Close fumed silica, bamboo charcoal powder, aluminium oxide, transparent powder and the ten trifluoro octyls three that filler is mass ratio 25:9.5:6:10:20
The mixture of ethyoxyl silicon；
(2) the perfluor myristyl butyl propyleneglycol acid esters of 65 parts by weight is dissolved in the N of 325 parts by weight, N- dimethyl formyl
In amine, the above-mentioned compounded mix of 15 parts by weight is added, is uniformly dispersed, obtains the second slurry, it is spare；
(3) first slurry is mixed with the second slurry, the ethylene glycol butyl vinyl ether of 20 parts by weight of addition,
The perfluor dodecyl mercaptans of the dilauroyl peroxide of 0.04 parts by weight, 15 parts by weight reacts 18 hours at 70 DEG C, is eventually adding 3
The hydroxyethyl cellulose of parts by weight, the silicone levelling agent of 2 parts by weight, the butyl acetate of 0.5 parts by weight, 5 parts by weight perfume (or spice)
Camphorwood micro mist, is uniformly dispersed, and obtains self-cleaning coating.
The present invention is tested for the property self-cleaning coating prepared by embodiment 3 according to test described in above-mentioned technical proposal,
It the results are shown in Table 1.
The performance test results of the automatically cleaning wallpaper of the self-cleaning coating preparation of 1 embodiment of the present invention 1~3 of table preparation
Above embodiments the results showed that self-cleaning coating be made 100 μ m thick coating when, contact angle be 153 °~
171°；Pencil scratch hardness is 2H；Colour fastness to rubbing: xerotripsis and wet rubbing are 5 grades；Test color difference is in soil release performance test
5 grades；Roll angle is 6 °~8 ° in self-cleaning-test.So the automatically cleaning wallpaper of the application has preferable self-cleaning property, easily goes
Dirt and wearability.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (9)
1. a kind of self-cleaning coating, based on parts by weight, raw material includes following components:
20~40 parts of acrylate, 30~150 parts of fluoroalkyl acid esters, 10~30 parts of vinyl ethers, perfluor dodecyl mercaptans
10~40 parts, 0.02~0.05 part of initiator, 30~70 parts of compounded mix, 2~20 parts of lignum cinnamomi camphorae micro mist, 5~20 parts of auxiliary agent and
500 parts of solvent；
The acrylate has formula 1. general formula: R'CH2OOCRC=CH2；The R is selected from H or C1~C5 alkyl；The R' is selected from
H or C1~C14 alkyl；
The fluoroalkyl acid esters has formula 2. general formula: CnF(2n+1)(CH2)mOOCHC=CH2；Wherein, 1≤m≤10,4≤n≤
14。
2. self-cleaning coating according to claim 1, which is characterized in that the acrylate is selected from methyl methacrylate
One of ester, Isobutyl methacrylate, n-BMA and n-butyl acrylate are a variety of；
The fluoroalkyl acid esters is selected from C4F9(CH2)2OOCHC=CH2、C6F13CH2OOCHC=CH2、C8F17(CH2)10OOCHC
=CH2、C10F21(CH2)3OOCHC=CH2And C14F29(CH2)2OOCHC=CH2One of or it is a variety of.
3. self-cleaning coating according to claim 1, which is characterized in that the vinyl ethers is selected from perfluoro n-propyl vinyl
One of base ether, perfluoro methyl vinyl ether and glycol butyl vinyl ether are a variety of.
4. self-cleaning coating according to claim 1, which is characterized in that the compounded mix is fumed silica, bamboo
Powdered carbon, aluminium oxide, transparent powder and tridecafluoro-n-octyltriethoxysilane mixture.
5. self-cleaning coating according to claim 1, which is characterized in that the auxiliary agent is selected from thickener, levelling agent and dilute
Release one of agent or a variety of.
6. self-cleaning coating according to claim 1, which is characterized in that the initiator is selected from azodiisobutyronitrile, mistake
One of Benzoyl Oxide and dilauroyl peroxide are a variety of.
7. a kind of preparation method of any one of claim 1~6 self-cleaning coating, comprising the following steps:
S1: acrylate is dissolved in partial solvent, is added the compounded mix of 30~60wt.%, is uniformly dispersed, obtains first
Slurry；The acrylate has formula 1. general formula: R'CH2OOCRC=CH2；The R is selected from H or C1~C5 alkyl；The R' choosing
From H or C1~C14 alkyl；
S2: fluoroalkyl acid esters is dissolved in remainder solvent, is added 40~70wt.% compounded mix, is uniformly dispersed,
Obtain the second slurry；The fluoroalkyl acid esters has formula 2. general formula: CnF(2n+1)(CH2)mOOCHC=CH2；Wherein, 1≤m
≤ 10,4≤n≤14；
S3: first slurry and the second slurry are mixed, vinyl ethers, initiator, perfluor dodecyl mercaptans are added, 50
Auxiliary agent, lignum cinnamomi camphorae micro mist is added at~90 DEG C after reaction, is uniformly dispersed, obtains self-cleaning coating.
8. a kind of automatically cleaning wall ornamentation, the automatic cleaning coating including substrate and coating on the substrate；The substrate choosing
From finished product wallpaper, semi-finished product wallpaper, semi-finished product wall cloth or finished product wall cloth；
Automatic cleaning coating preparation method system as described in any one of claim 1~6 self-cleaning coating or claim 7
Standby self-cleaning coating coating is made.
9. automatically cleaning wall ornamentation according to claim 8, which is characterized in that the automatic cleaning coating with a thickness of 80
~200 μm.
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| CN110791129A (en) * | 2019-11-14 | 2020-02-14 | 许奎 | Air purification coating and preparation method thereof |
| CN111471367A (en) * | 2020-04-10 | 2020-07-31 | 湖南化工职业技术学院（湖南工业高级技工学校） | High-transparency hydrophobic water-based paint and preparation method thereof |
| CN112960937A (en) * | 2021-03-02 | 2021-06-15 | 深圳市海龟梦新能源科技环保材料有限公司 | Diatom ooze wall paint formula and preparation process thereof |
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| CN101712838A (en) * | 2009-12-18 | 2010-05-26 | 威海新元化工有限公司 | Water-soluble low surface energy paint and preparation method thereof |
| CN105623451A (en) * | 2015-12-31 | 2016-06-01 | 南京福臻再生资源科技股份有限公司 | Self-cleaning fluorocarbon paint and preparation method thereof |
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| JP2008280530A (en) * | 2007-04-09 | 2008-11-20 | Kanto Denka Kogyo Co Ltd | Fluorine-containing copolymer solution and method for producing the same |
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| CN109021757B (en) | 2020-05-12 |
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