CN106280835B - A kind of preparation method of the automatic cleaning coating of automatically cleaning wall and automatically cleaning wall - Google Patents
A kind of preparation method of the automatic cleaning coating of automatically cleaning wall and automatically cleaning wall Download PDFInfo
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- CN106280835B CN106280835B CN201610776259.4A CN201610776259A CN106280835B CN 106280835 B CN106280835 B CN 106280835B CN 201610776259 A CN201610776259 A CN 201610776259A CN 106280835 B CN106280835 B CN 106280835B
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- Prior art keywords
- boron
- nitrogen
- titanium dioxide
- doped
- mixture
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- 238000004140 cleaning Methods 0.000 title claims abstract description 79
- 239000011248 coating agent Substances 0.000 title claims abstract description 41
- 238000000576 coating method Methods 0.000 title claims abstract description 41
- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical group [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims abstract description 53
- 238000009413 insulation Methods 0.000 claims abstract description 36
- 238000011049 filling Methods 0.000 claims abstract description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 96
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 69
- 229910052796 boron Inorganic materials 0.000 claims description 69
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 46
- 239000004408 titanium dioxide Substances 0.000 claims description 42
- 239000000203 mixture Substances 0.000 claims description 34
- 238000003756 stirring Methods 0.000 claims description 33
- 229910052757 nitrogen Inorganic materials 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 239000003995 emulsifying agent Substances 0.000 claims description 17
- 239000008367 deionised water Substances 0.000 claims description 16
- 229910021641 deionized water Inorganic materials 0.000 claims description 16
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 12
- -1 Acrylic ester Chemical class 0.000 claims description 11
- FPCJKVGGYOAWIZ-UHFFFAOYSA-N butan-1-ol;titanium Chemical compound [Ti].CCCCO.CCCCO.CCCCO.CCCCO FPCJKVGGYOAWIZ-UHFFFAOYSA-N 0.000 claims description 11
- 239000003999 initiator Substances 0.000 claims description 11
- TZHYBRCGYCPGBQ-UHFFFAOYSA-N [B].[N] Chemical compound [B].[N] TZHYBRCGYCPGBQ-UHFFFAOYSA-N 0.000 claims description 10
- 239000000178 monomer Substances 0.000 claims description 10
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 10
- 229920002554 vinyl polymer Polymers 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 9
- 239000012703 sol-gel precursor Substances 0.000 claims description 9
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 claims description 8
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 8
- 238000000227 grinding Methods 0.000 claims description 8
- 229910052719 titanium Inorganic materials 0.000 claims description 8
- 239000010936 titanium Substances 0.000 claims description 8
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 7
- 238000001354 calcination Methods 0.000 claims description 7
- 239000004202 carbamide Substances 0.000 claims description 7
- 239000006185 dispersion Substances 0.000 claims description 7
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- 239000011240 wet gel Substances 0.000 claims description 7
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 6
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 6
- 239000004327 boric acid Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims description 6
- 235000019394 potassium persulphate Nutrition 0.000 claims description 6
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 5
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 5
- 238000013019 agitation Methods 0.000 claims description 5
- DCAYPVUWAIABOU-UHFFFAOYSA-N alpha-n-hexadecene Natural products CCCCCCCCCCCCCCCC DCAYPVUWAIABOU-UHFFFAOYSA-N 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 5
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 claims description 5
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 claims description 4
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical group COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 4
- RCEAADKTGXTDOA-UHFFFAOYSA-N OS(O)(=O)=O.CCCCCCCCCCCC[Na] Chemical compound OS(O)(=O)=O.CCCCCCCCCCCC[Na] RCEAADKTGXTDOA-UHFFFAOYSA-N 0.000 claims description 4
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 4
- HPXRVTGHNJAIIH-UHFFFAOYSA-N cyclohexanol Chemical compound OC1CCCCC1 HPXRVTGHNJAIIH-UHFFFAOYSA-N 0.000 claims description 4
- 229920001821 foam rubber Polymers 0.000 claims description 4
- BXWNKGSJHAJOGX-UHFFFAOYSA-N hexadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCO BXWNKGSJHAJOGX-UHFFFAOYSA-N 0.000 claims description 4
- 150000001282 organosilanes Chemical class 0.000 claims description 4
- 235000010482 polyoxyethylene sorbitan monooleate Nutrition 0.000 claims description 4
- 229920000053 polysorbate 80 Polymers 0.000 claims description 4
- DCKVNWZUADLDEH-UHFFFAOYSA-N sec-butyl acetate Chemical compound CCC(C)OC(C)=O DCKVNWZUADLDEH-UHFFFAOYSA-N 0.000 claims description 4
- 229910000077 silane Inorganic materials 0.000 claims description 4
- SJMYWORNLPSJQO-UHFFFAOYSA-N tert-butyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC(C)(C)C SJMYWORNLPSJQO-UHFFFAOYSA-N 0.000 claims description 4
- AJSTXXYNEIHPMD-UHFFFAOYSA-N triethyl borate Chemical compound CCOB(OCC)OCC AJSTXXYNEIHPMD-UHFFFAOYSA-N 0.000 claims description 4
- 150000002148 esters Chemical class 0.000 claims description 3
- NKSJNEHGWDZZQF-UHFFFAOYSA-N ethenyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)C=C NKSJNEHGWDZZQF-UHFFFAOYSA-N 0.000 claims description 3
- 238000012986 modification Methods 0.000 claims description 3
- 230000004048 modification Effects 0.000 claims description 3
- 238000002444 silanisation Methods 0.000 claims description 3
- 229920001214 Polysorbate 60 Polymers 0.000 claims description 2
- 125000005619 boric acid group Chemical group 0.000 claims description 2
- 239000000499 gel Substances 0.000 claims description 2
- DCAYPVUWAIABOU-NJFSPNSNSA-N hexadecane Chemical group CCCCCCCCCCCCCCC[14CH3] DCAYPVUWAIABOU-NJFSPNSNSA-N 0.000 claims description 2
- 239000004615 ingredient Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 claims 1
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims 1
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 claims 1
- 241000790917 Dioxys <bee> Species 0.000 claims 1
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 claims 1
- 239000005642 Oleic acid Substances 0.000 claims 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 claims 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 4
- 235000010215 titanium dioxide Nutrition 0.000 description 37
- 230000001699 photocatalysis Effects 0.000 description 6
- STZCRXQWRGQSJD-GEEYTBSJSA-M methyl orange Chemical compound [Na+].C1=CC(N(C)C)=CC=C1\N=N\C1=CC=C(S([O-])(=O)=O)C=C1 STZCRXQWRGQSJD-GEEYTBSJSA-M 0.000 description 5
- 229940012189 methyl orange Drugs 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 description 4
- QDMRQDKMCNPQQH-UHFFFAOYSA-N boranylidynetitanium Chemical compound [B].[Ti] QDMRQDKMCNPQQH-UHFFFAOYSA-N 0.000 description 4
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 238000007146 photocatalysis Methods 0.000 description 4
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- 238000006116 polymerization reaction Methods 0.000 description 4
- 239000007857 degradation product Substances 0.000 description 3
- 230000031700 light absorption Effects 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 2
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
- PRXRUNOAOLTIEF-ADSICKODSA-N Sorbitan trioleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC[C@@H](OC(=O)CCCCCCC\C=C/CCCCCCCC)[C@H]1OC[C@H](O)[C@H]1OC(=O)CCCCCCC\C=C/CCCCCCCC PRXRUNOAOLTIEF-ADSICKODSA-N 0.000 description 2
- 239000004147 Sorbitan trioleate Substances 0.000 description 2
- 238000002835 absorbance Methods 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
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- 239000007822 coupling agent Substances 0.000 description 2
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- 238000001514 detection method Methods 0.000 description 2
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- 235000019441 ethanol Nutrition 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- STZCRXQWRGQSJD-UHFFFAOYSA-M sodium;4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate Chemical compound [Na+].C1=CC(N(C)C)=CC=C1N=NC1=CC=C(S([O-])(=O)=O)C=C1 STZCRXQWRGQSJD-UHFFFAOYSA-M 0.000 description 2
- 235000019337 sorbitan trioleate Nutrition 0.000 description 2
- 229960000391 sorbitan trioleate Drugs 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229910052724 xenon Inorganic materials 0.000 description 2
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- 101710171243 Peroxidase 10 Proteins 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- KPSZQYZCNSCYGG-UHFFFAOYSA-N [B].[B] Chemical compound [B].[B] KPSZQYZCNSCYGG-UHFFFAOYSA-N 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
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- 238000005253 cladding Methods 0.000 description 1
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- FWDBOZPQNFPOLF-UHFFFAOYSA-N ethenyl(triethoxy)silane Chemical compound CCO[Si](OCC)(OCC)C=C FWDBOZPQNFPOLF-UHFFFAOYSA-N 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 125000001820 oxy group Chemical group [*:1]O[*:2] 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
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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
- 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
- C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09D133/10—Homopolymers or copolymers of methacrylic acid esters
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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
- 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
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- C—CHEMISTRY; METALLURGY
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- 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
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- C—CHEMISTRY; METALLURGY
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- 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
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- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B2001/8263—Mounting of acoustical elements on supporting structure, e.g. framework or wall surface
- E04B2001/829—Flat elements mounted at an angle, e.g. right angle, to the supporting surface
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Abstract
The invention belongs to technical field of buildings, and in particular to a kind of automatically cleaning wall and automatic cleaning coating preparation method.It includes the first building block layer, puigging, the second building block layer, fireprotection layer and self-cleaning layer successively, the puigging includes sound insulation ontology, is located at the intrinsic multiple sound panels of the sound insulation, the inner cavity of the sound insulation ontology is separated into multiple receiving cavity by multiple sound panels, it is provided with vacuum bag in the receiving cavity, it is nano-titanium dioxide automatic cleaning coating that gap filling between the vacuum bag and the receiving cavity cavity wall, which has sound-isolating sponge pad, the self-cleaning layer,.The construction wall of the present invention has the advantages that soundproof effect is good, automatical cleaning ability is strong.
Description
Technical field
The invention belongs to technical field of buildings, and in particular to a kind of automatically cleaning wall and automatic cleaning coating preparation method.
Background technology
With the fast development of China's building industry, construction wall because with windproof, rain-proof, heat preservation, heat-insulated, noise-proofing,
The advantages that anti-air penetration and dicoration, is favored by architects.But its cleaning way is but without any change.Manually
Cleaning was both inconvenient or dangerous, in addition, cleaning agent not only waste of resource is used for a long time, pollution will be also brought to environment, is not inconsistent
Environmental protection, the saving policy that current country advocates are closed, therefore research prepares automatically cleaning construction wall as hot spot.
Research shows that titanium dioxide under the irradiation of light, has super hydrophilic, photocatalysis, decomposing organic matter, release negative
The functions such as oxonium ion, that is, self-cleaning function.Titanium dioxide self-cleaning function is applied to solve it on building wall clearly
Clean problem can achieve the effect that clean wall naturally by rain drop erosion and the flushing of regular flowing water.This automatically cleaning glass
For the life expectancy of glass up to 10 years as long as, expert's prophesy was this large-scale clear by initiation one without the wall that manually clean
Clean revolution.
But nano-titanium dioxide large specific surface area, surface energy height and surface hydrophilic oleophobic, it easily rolls into a ball in the polymer
Poly-, aggregate can substantially reduce the performance of titanium dioxide, reduce the photocatalytic activity of titanium deoxid film, and then influence from clear
Clean ability.Publication No. CN105111401A discloses a kind of nano-titanium dioxide self-cleaning coating, but is received in this coating
Rice titanium dioxide dispersion is not uniform enough, easily reunites, influences the automatically cleaning effect of product.
Invention content
An object of the present invention is to provide the sound insulation automatically cleaning wall that a kind of soundproof effect is good, automatical cleaning ability is strong.
The second object of the present invention is to provide a kind of preparation method of the automatic cleaning coating of automatically cleaning wall.
One of the above-mentioned technical purpose of the present invention is achieved through the following technical solutions：
A kind of automatically cleaning wall, it is characterised in that：Include the first building block layer, puigging, the second building block layer, fireprotection layer successively
And self-cleaning layer, the puigging include sound insulation ontology, are located at the intrinsic multiple sound panels of the sound insulation, multiple sound insulations
The inner cavity of the sound insulation ontology is separated into multiple receiving cavity by plate, and vacuum bag, the vacuum are provided in the receiving cavity
Gap filling between bag and the receiving cavity cavity wall has a sound-isolating sponge pad, and the self-cleaning layer is nano-titanium dioxide from clear
Clean coating, the self-cleaning layer, according to the mass fraction, ingredient include following components：
The nitrogen-doped modified nano-titanium dioxide of boron 1.5~3
Acrylic ester monomer 15~25
Emulsifier 2~6
Assistant for emulsifying agent 0.5~2
Initiator 0.3~0.6
Deionized water 50~90
The acrylic monomer is methyl methacrylate, Tert-butyl Methacrylate, acrylic acid-2-ethyl ester, third
It is one or more in olefin(e) acid hydroxyl ethyl ester；The assistant for emulsifying agent is hexadecane, hexadecanol, n-amyl alcohol or cyclohexanol；The emulsifier
For enuatrol, lauryl sodium sulfate, neopelex, Tween 80, polysorbas20, three oil of polyoxyethylene sorbitan
One or more in acid esters, the initiator is one kind in hydrogen peroxide, potassium peroxydisulfate, ammonium persulfate.
Puigging is set in wall, and puigging includes multiple sound panels and absorbs the foam-rubber cushion of noise, and sound is in difference
It is transmitted between puigging, energy loss bigger, soundproof effect is more preferable.Sound panel adjacent simultaneously, prevents noise from wall one
Side is transmitted to the other side.Setting makes wall have both two kinds of functions of sound insulation and automatically cleaning from the clean layer of parent on the outside of fireprotection layer.In nanometer two
Titania addition boron nitrogen, can forbidden band in introduce doped energy-band, so that forbidden band is narrowed, can the longer light of absorbing wavelength, light
Band edge red shift is absorbed, photoresponse range has been widened, has improved quantum efficiency, to help to improve photocatalysis efficiency.Singly mixing
Codope on the basis of miscellaneous, light absorption red shift degree further increase, it is seen that photoresponse enhances, and under sunlight irradiation
Degrading organic pollutant matter.Titanium dioxide purity is high after another aspect boron is nitrogen co-doped, and particle size is uniform, dispersibility
It is good, it can prevent subsequently in the course of the polymerization process, the reunion of titanium dioxide in the polymer influences the performance of coating.
Preferably, prepared by the nitrogen-doped modified nano-titanium dioxide of boron includes boron nitrogen-doped nanometer titanium dioxide successively
Preparation, boron nitrogen-doped nanometer titanium dioxide surface modification step.
Preferably, the preparation of the boron nitrogen-doped nanometer titanium dioxide includes the following steps：
（1）Prepare boron nitrogen co-doped titanium dioxide sol-gel precursor；
（2）Deionized water is added through step（1）In the obtained nitrogen co-doped nano titanic oxide sol of boron-gel forerunner
In body, the nitrogen co-doped nano-titanium dioxide wet gel of boron is obtained after agitated, standing；
（3）It will be through step（2）The obtained nitrogen co-doped nano-titanium dioxide wet gel of boron drying, grinding, calcining successively
After obtain the nitrogen co-doped nano-titanium dioxide of boron.
Preferably, the step（1）The preparation method of the middle nitrogen co-doped nano titanic oxide sol-Gel Precursor of boron
For：It is 10~15 by volume ratio：1 absolute ethyl alcohol is uniformly mixed with butyl titanate, and configuration obtains mixture A；According to upper
The dosage for stating butyl titanate weighs boron source and nitrogen source respectively, and boron source and nitrogen source are mixed to get in mixture B, the mixture B
Boron source in butyl titanate in boron element, nitrogen source in nitrogen and mixture A the molar ratio of titanium elements be：（0.2~
0.9）：（0.1~0.8）：（1~10）；Mixture A, mixture B are mixed to prepare mixture C, the pH for adjusting mixture C is 3.5-
4.5, it stirs and boron nitrogen co-doped titanium dioxide sol-gel precursor is made.
Preferably, the nitrogen source is thiocarbamide or urea, the boron source is boric acid or triethyl borate.
Preferably, the step（2）Middle stir speed (S.S.) is 20-30r/min, mixing time 2-3h.
Preferably, the step（3）Middle drying temperature is 40-90 DEG C, drying time 16-30h；The calcination temperature
It is 400-500 DEG C, calcination time 3-5h.
Preferably, the method that boron nitrogen-doped nanometer titanium dioxide surface is modified is：1.5~3 parts are prepared
Boron nitrogen-doped nanometer titanium dioxide be added in ethanol water, and keep its fully dispersed under strong stirring；In dispersion liquid
0.5~2.5 part of organo silane coupling agent of middle addition, magnetic agitation insulation reaction were cooled to room temperature and filter, dry after 1-3 hours
Dry, grinding obtains the nitrogen-doped modified nano-titanium dioxide of silanization boron；The organo silane coupling agent is vinyl triethoxyl
One kind in silane, vinyltrimethoxysilane, vinyl three (2- methoxy ethoxies) silane.
Silanization treatment is carried out to boron nitrogen-doped nanometer titanium dioxide surface using the silane coupling agent containing vinyl, makes it
Surface contains vinyl, can improve the compatibility of itself and monomer, avoid reuniting, and vinyl can be total with acrylate monomer
It is poly-, it ensure that the stability reacted in polymerization process, the storage stability and nano-titanium dioxide of complex emulsions are in acrylic acid
Dispersibility in ester polymer is excellent.
The two of the above-mentioned technical purpose of the present invention are achieved through the following technical solutions：
A kind of preparation method of the automatic cleaning coating of automatically cleaning wall, it is characterised in that：1.5~3 parts are prepared
The nitrogen-doped modified nano-titanium dioxide of boron, is dispersed in the mixing of 15~25 parts of acrylic ester monomers and 0.5~2 part of assistant for emulsifying agent
In liquid, stirring, ultrasonic disperse adds the emulsifier that dosage is 2~6 parts, the deionized water that dosage is 50~90 parts, stirs,
Ultrasonic disperse is heated to 40~90 DEG C, and 0.3~0.6 part of initiator is added, and keeps the temperature 3~5h, obtains nano-titanium dioxide certainly
Clean coating.
In conclusion the invention has the advantages that：
1. puigging is arranged in wall, puigging includes multiple sound panels and absorbs the foam-rubber cushion of noise, and sound is not
It is transmitted between puigging, energy loss bigger, soundproof effect is more preferable.Sound panel adjacent simultaneously, prevents noise from wall
Side is transmitted to the other side.Setting makes wall have both two kinds of functions of sound insulation and automatically cleaning from the clean layer of parent on the outside of fireprotection layer.
2. in nano-titanium dioxide doped boron-nitrogen element, can forbidden band in introduce doped energy-band, so that forbidden band is narrowed,
The energy longer light of absorbing wavelength, light absorption band edge red shift have widened photoresponse range, have improved quantum efficiency, to help
In raising photocatalysis efficiency.Codope on the basis of singly adulterating, light absorption red shift degree further increase, it is seen that photoresponse
Enhancing, and the degrading organic pollutant matter under sunlight irradiation.Titanium dioxide purity is high after another aspect boron is nitrogen co-doped,
Particle size is uniform, good dispersion, can prevent subsequently in the course of the polymerization process, the reunion of titanium dioxide in the polymer,
Influence the performance of coating.
3. using the silane coupler modified nano-titanium dioxide containing vinyl, so that its surface is contained vinyl, can improve
The compatibility of itself and monomer avoids reuniting, and vinyl can be copolymerized with acrylate monomer, ensure that anti-in polymerization process
The stability answered, the storage stability and nano-titanium dioxide of complex emulsions are dispersed excellent in acrylate polymer
It is different.
Description of the drawings
Fig. 1 is the structural schematic diagram of wall of the present invention；
The first building block layers of 1- in figure, the second building block layers of 2-, 31- sound insulation ontologies, 32- sound panels, 34- vacuum bags, 35- sound insulations
Foam-rubber cushion, 4- fireprotection layers, 5- self-cleaning layers.
Specific implementation mode
Embodiment 1
A kind of automatically cleaning wall includes the first building block layer 1, puigging, the second building block layer 2, fireprotection layer 4 and from clear successively
Clean layer 5, puigging include sound insulation ontology 31, multiple sound panels 32 in the sound insulation ontology 31, and multiple sound panels 32 will
The inner cavity of sound insulation ontology 31 is separated into multiple receiving cavity, and vacuum bag 34, vacuum bag 34 and institute are provided in the receiving cavity
It states and is provided with sound-isolating sponge pad 35 between receiving cavity inner wall, self-cleaning layer 5 is nano-titanium dioxide automatic cleaning coating.It is above-mentioned from
The group of clean layer 5 becomes：According to the mass fraction, raw material includes following components：
The nitrogen-doped modified nano-titanium dioxide of boron 1.5
Tert-butyl Methacrylate 15
Lauryl sodium sulfate 2
Hexadecanol 0.5
Potassium peroxydisulfate 0.3
Deionized water 50
The preparation method of above-mentioned automatic cleaning coating is：According to the mass fraction, by 1.5 parts of nitrogen-doped modified nanometer titanium dioxides of boron
Titanium is dispersed in the mixed liquor of 15 parts of Tert-butyl Methacrylates and 0.5 part of hexadecanol, and stirring, ultrasonic disperse adds dosage
For 2 parts of lauryl sodium sulfate emulsifiers, the deionized water that dosage is 50 parts, stirring, ultrasonic disperse is heated to 40
DEG C, 0.3 part of potassium peroxydisulfate initiator is added, keeps the temperature 3h, obtains nano-titanium dioxide self-cleaning coating.
The preparation of the above-mentioned nitrogen-doped modified nano-titanium dioxide of boron includes：（1）The preparation of boron nitrogen-doped nanometer titanium dioxide：
It is 10 by volume：1 measures absolute ethyl alcohol respectively is uniformly mixed with butyl titanate, and configuration obtains mixture A；According to butyl titanate
Dosage weigh boric acid and urea respectively, mix, obtain mixture B, nitrogen, metatitanic acid in boron element, urea wherein in boric acid
The molar ratio of titanium elements is in butyl ester：0.2：0.1:1；Mixture A, mixture B are mixed to prepare mixture C, adjust mixture C
PH be 4, stir and boron nitrogen co-doped titanium dioxide sol-gel precursor be made, through 20r/min stir speed (S.S.)s, stir 2h, it is quiet
It postpones to obtain the nitrogen co-doped nano-titanium dioxide wet gel of boron, then passes through drying 16h, grinding at 40 DEG C, passed through in Muffle furnace
After 400 DEG C of calcining 3h, boron nitrogen-doped nanometer titanium dioxide is obtained.
（2）Boron nitrogen-doped nanometer titanium dioxide surface is modified：According to the mass fraction, the boron nitrogen that 1.5 parts are prepared is mixed
Miscellaneous nano-titanium dioxide is added in ethanol water, and keeps its fully dispersed under strong stirring；0.5 is added in dispersion liquid
Part vinyltrimethoxysilane coupling agent, magnetic agitation insulation reaction were cooled to room temperature and filter, dry, grind after 1 hour
Obtain the nitrogen-doped modified nano-titanium dioxide of boron.
Embodiment 2
A kind of automatically cleaning wall includes the first building block layer 1, puigging, the second building block layer 2, fireprotection layer 4 and from clear successively
Clean layer 5, puigging include sound insulation ontology 31, multiple sound panels 32 in the sound insulation ontology 31, and multiple sound panels 32 will
The inner cavity of sound insulation ontology 31 is separated into multiple receiving cavity, and vacuum bag 34, vacuum bag 34 and institute are provided in the receiving cavity
It states and is provided with sound-isolating sponge pad 35 between receiving cavity inner wall, self-cleaning layer 5 is nano-titanium dioxide automatic cleaning coating.It is above-mentioned from
The group of clean layer 5 becomes：According to the mass fraction, raw material includes following components：
The nitrogen-doped modified nano-titanium dioxide of boron 3
Hydroxy-ethyl acrylate 25
Tween 80 6
N-amyl alcohol 2
Hydrogen peroxidase 10 .6
Deionized water 90
The preparation method of above-mentioned automatic cleaning coating is：According to the mass fraction, by 3 parts of nitrogen-doped modified nanometer titanium dioxides of boron
Titanium is dispersed in the mixed liquor of 25 parts of hydroxy-ethyl acrylates and 6 parts of n-amyl alcohols, stirring, ultrasonic disperse, and it is 6 parts to add dosage
Tween 80 emulsifier, dosage be 90 parts of deionized water, stirring, ultrasonic disperse is heated to 40 DEG C, 0.6 part of mistake is added
Hydrogen oxide initiator keeps the temperature 3h, obtains modified nano-titanium dioxide self-cleaning coating.
The preparation method of the above-mentioned nitrogen-doped modified nano-titanium dioxide of boron is：（1）The system of boron nitrogen-doped nanometer titanium dioxide
It is standby：It is 15 by volume：1 measures absolute ethyl alcohol respectively is uniformly mixed with butyl titanate, and configuration obtains mixture A；According to metatitanic acid
The dosage of butyl ester weighs triethyl borate and thiocarbamide respectively, and mixing obtains mixture B, boron element, sulphur wherein in triethyl borate
The molar ratio of titanium elements is in nitrogen, butyl titanate in urea：0.9：0.8:10；Mixture A, mixture B are mixed to prepare mixed
Object C is closed, the pH for adjusting mixture C is 4, stirs and boron nitrogen co-doped titanium dioxide sol-gel precursor is made, through 30r/min
Stir speed (S.S.), stirs 3h, obtains the nitrogen co-doped nano-titanium dioxide wet gel of boron after standing, then pass through drying 30h at 90 DEG C,
Grinding obtains boron nitrogen-doped nanometer titanium dioxide in Muffle furnace after 500 DEG C are calcined 5h.
（2）Boron nitrogen-doped nanometer titanium dioxide surface is modified：According to the mass fraction, the boron N doping 3 parts being prepared
Nano-titanium dioxide is added in ethanol water, and keeps its fully dispersed under strong stirring；2.5 parts are added in dispersion liquid
Vinyltriethoxysilane coupling agent, magnetic agitation insulation reaction were cooled to room temperature and filter, dry, grind after 3 hours
To the nitrogen-doped modified nano-titanium dioxide of boron.
Embodiment 3
A kind of automatically cleaning wall includes the first building block layer 1, puigging, the second building block layer 2, fireprotection layer 4 and from clear successively
Clean layer 5, puigging include sound insulation ontology 31, multiple sound panels 32 in the sound insulation ontology 31, and multiple sound panels 32 will
The inner cavity of sound insulation ontology 31 is separated into multiple receiving cavity, and vacuum bag 34, vacuum bag 34 and institute are provided in the receiving cavity
It states and is provided with sound-isolating sponge pad 35 between receiving cavity inner wall, self-cleaning layer 5 is nano-titanium dioxide automatic cleaning coating.It is above-mentioned from
The group of clean layer 5 becomes：According to the mass fraction, raw material includes following components：
The nitrogen-doped modified nano-titanium dioxide of boron 2
Acrylic acid-2-ethyl ester 20
Polyoxyethylene 20 sorbitan trioleate 4
Hexadecane 1.5
Ammonium persulfate 0.5
Deionized water 70
The preparation method of above-mentioned automatic cleaning coating is：According to the mass fraction, by 2 parts of nitrogen-doped modified nanometer titanium dioxides of boron
Titanium is dispersed in the mixed liquor of 20 parts of acrylic acid-2-ethyl esters and 1.5 parts of hexadecanes, and stirring, ultrasonic disperse adds dosage
For 4 parts of polyoxyethylene 20 sorbitan trioleate emulsifiers, the deionized water that dosage is 70 parts, stirring, ultrasonic disperse adds
Heat is warming up to 40 DEG C, and 0.5 part of ammonium persulfate initiator is added, and keeps the temperature 3h, obtains modified nano-titanium dioxide self-cleaning coating.
The preparation method of above-mentioned boron N doping cladding nano-titanium dioxide is：（1）The system of boron nitrogen-doped nanometer titanium dioxide
It is standby：It is 12 by volume：1 measures absolute ethyl alcohol respectively is uniformly mixed with butyl titanate, and configuration obtains mixture A；According to metatitanic acid
The dosage of butyl ester weighs boric acid and urea respectively, and mixing obtains mixture B, nitrogen in boron element, urea wherein in boric acid,
The molar ratio of titanium elements is in butyl titanate： 0.6：0.5:6；Mixture A, mixture B are mixed to prepare mixture C, adjusted mixed
The pH for closing object C is 4, stirs and boron nitrogen co-doped titanium dioxide sol-gel precursor is made, through 25r/min stir speed (S.S.)s, stirring
2.5h obtains the nitrogen co-doped nano-titanium dioxide wet gel of boron after standing, then passes through drying 25h, grinding at 70 DEG C, in Muffle
In stove after 450 DEG C are calcined 4.5h, boron nitrogen-doped nanometer titanium dioxide is obtained.
（2）Boron nitrogen-doped nanometer titanium dioxide surface is modified：The boron nitrogen-doped nanometer titanium dioxide that 2 parts are prepared is added
Enter into ethanol water, and keeps its fully dispersed under strong stirring；1.5 parts of (2- first of vinyl three are added in dispersion liquid
Oxygroup ethyoxyl) silane coupling agent, magnetic agitation insulation reaction is after 2 hours, is cooled to room temperature and filters, dries, grinding and obtain
The nitrogen-doped modified nano-titanium dioxide of boron.
Embodiment 4
A kind of automatically cleaning wall includes the first building block layer 1, puigging, the second building block layer 2, fireprotection layer 4 and from clear successively
Clean layer 5, puigging include sound insulation ontology 31, multiple sound panels 32 in the sound insulation ontology 31, and multiple sound panels 32 will
The inner cavity of sound insulation ontology 31 is separated into multiple receiving cavity, and vacuum bag 34, vacuum bag 34 and institute are provided in the receiving cavity
It states and is provided with sound-isolating sponge pad 35 between receiving cavity inner wall, self-cleaning layer 5 is nano-titanium dioxide automatic cleaning coating.It is above-mentioned from
The group of clean layer 5 becomes：According to the mass fraction, raw material includes following components：
The nitrogen-doped modified nano-titanium dioxide of boron boron 2.5
Methyl methacrylate 18
Enuatrol 3
Cyclohexanol 1.1
Potassium peroxydisulfate 0.4
Deionized water 60
The preparation method of above-mentioned automatic cleaning coating is：According to the mass fraction, according to the mass fraction, by 2.5 parts of boron N dopings
Modified nano-titanium dioxide is dispersed in the mixed liquor of 18 parts of methyl methacrylates and 1.1 parts of cyclohexanol, stirring, ultrasound point
It dissipates, adds the enuatrol emulsifier that dosage is 3 parts, the deionized water that dosage is 60 parts, stir, ultrasonic disperse, heat temperature raising
To 40 DEG C, 0.4 part of potassium peroxydisulfate initiator is added, keeps the temperature 3h, obtains nano-titanium dioxide self-cleaning coating.Boron is nitrogen-doped modified
The preparation method is the same as that of Example 1 for nano-titanium dioxide.
Embodiment 5
A kind of sound insulation automatically cleaning wall, it is characterised in that：Successively include the first building block layer 1, puigging, the second building block layer 2,
Fireprotection layer 4 and self-cleaning layer 5, puigging include sound insulation ontology 31, multiple sound panels 32 in the sound insulation ontology 31,
The inner cavity of sound insulation ontology 31 is separated into multiple receiving cavity by multiple sound panels 32, and vacuum bag is provided in the receiving cavity
34, be provided with sound-isolating sponge pad 35 between vacuum bag 34 and the receiving cavity inner wall, self-cleaning layer 5 be nano-titanium dioxide from
Clean coating.The group of above-mentioned self-cleaning layer 5 becomes：According to the mass fraction, raw material includes following components：
Boron N doping coats nano-titanium dioxide 2.8
Hydroxy-ethyl acrylate 22
Neopelex 5
N-amyl alcohol 1.8
Ammonium persulfate 0.5
Deionized water 80
The preparation method of above-mentioned automatic cleaning coating is：According to the mass fraction, by 2.8 parts of nitrogen-doped modified nanometer titanium dioxides of boron
Titanium is dispersed in the mixed liquor of 22 parts of hydroxy-ethyl acrylates and 1.8 parts of n-amyl alcohols, stirring, ultrasonic disperse, and it is 5 to add dosage
The neopelex emulsifier of part, the deionized water that dosage is 80 parts, stirring, ultrasonic disperse are heated to 40 DEG C,
0.5 part of ammonium persulfate initiator is added, keeps the temperature 3h, obtains modified nano-titanium dioxide self-cleaning coating.Boron is nitrogen-doped modified to be received
The preparation method of rice titanium dioxide is the same as embodiment 2.
Comparative example 1
Difference lies in the nano-titanium dioxides that automatic cleaning coating uses not to pass through any processing with embodiment 1.
Performance test
1. contact angle detection：The direct spraying self-cleaning coating of the present invention on construction wall forms automatic cleaning coating, standard
Under the conditions of place 7 days after using static contact angle instrument detect water contact angle, the results are shown in table below：
1 contact angle detection of table
2. photocatalysis is verified：Photocatalytic activity evaluation is carried out by target degradation product of 20mg/L methyl orange solutions.It measures
50mL target degradation product solution will be coated with the glass substrate of self-cleaning coating formation coating, be immersed in mesh respectively in culture dish
Solution is marked, and culture dish is placed in photocatalytic reaction device.Light source is the xenon lamp of 300W, between sample and light source apart
20cm measures the absorbance of target degradation product with 722 type visible spectrophotometers.It is inhaled so that methyl orange solution is maximum at 465 nm
Receipts wavelength is reference position, periodically measures absorbance of each example after Xenon light shining, dense to calculate methyl orange solution residue
Spend percentage.Table 2 is methyl orange residual concentration percentage.
2 methyl orange residual concentration percentage of table.
The water contact angle number of degrees, which can be seen that the relative contrast example present invention, from table 1 has good hydrophily, with light
According to the increase of time, it is coated with the glass substrate water contact angle contact angle of formation coating of the self-cleaning coating of the present invention increasingly
It is small, illustrate that wettability is become better and better, and wetability is better than handling nanometer titanium dioxide coating without passing through, by illumination in four days
The coating contact angle of the present invention is zero, complete wetting, has Superhydrophilic.Methyl orange residual concentration percentage can be with from table 2
Find out, by the nanometer titanium dioxide coating that doped boron-nitrogen is modified, the painting that the degradation rate of methyl orange is not modified significantly larger than
Layer.This specific embodiment is only explanation of the invention, is not limitation of the present invention, and those skilled in the art are readding
Can as needed the present embodiment be made the modification of not creative contribution after this specification by running through, but as long as the present invention's
It is all protected by Patent Law in right.
Claims (7)
1. a kind of automatically cleaning wall, it is characterised in that：Include the first building block layer successively（1）, puigging, the second building block layer（2）, it is anti-
Fire bed（4）And self-cleaning layer（5）, the puigging includes sound insulation ontology（31）, be located at the sound insulation ontology（31）Interior is multiple
Sound panel（32）, multiple sound panels（32）By the sound insulation ontology（31）Inner cavity be separated into multiple receiving cavity, it is described
Vacuum bag is provided in receiving cavity（34）, the vacuum bag（34）Gap filling between the receiving cavity cavity wall have every
Sound foam-rubber cushion（35）, the self-cleaning layer（5）For nano-titanium dioxide automatic cleaning coating, the self-cleaning layer（5）By mass parts
Number meter, ingredient includes following components：
The nitrogen-doped modified nano-titanium dioxide of boron 1.5~3
Acrylic ester monomer 15~25
Emulsifier 2~6
Assistant for emulsifying agent 0.5~2
Initiator 0.3~0.6
Deionized water 50~90
The acrylic ester monomer is methyl methacrylate, Tert-butyl Methacrylate, acrylic acid-2-ethyl ester, propylene
It is one or more in sour hydroxyl ethyl ester；The assistant for emulsifying agent is hexadecane, hexadecanol, n-amyl alcohol or cyclohexanol；The emulsifier is
Enuatrol, lauryl sodium sulfate, neopelex, Tween 80, polysorbas20, three oleic acid of polyoxyethylene sorbitan
One or more in ester, the initiator is one kind in hydrogen peroxide, potassium peroxydisulfate, ammonium persulfate；
The nitrogen-doped modified nano-titanium dioxide of boron prepares the preparation including boron nitrogen-doped nanometer titanium dioxide, boron nitrogen successively and mixes
Miscellaneous Surface Modification of Nanosized Titanium Dioxide step；Boron nitrogen-doped nanometer titanium dioxide surface be modified method be：By 1.5~3
The boron nitrogen-doped nanometer titanium dioxide that part is prepared is added in ethanol water, and so that it is fully divided under strong stirring
It dissipates；0.5~2.5 part of organo silane coupling agent is added in dispersion liquid, magnetic agitation insulation reaction is cooled to often after 1-3 hours
Temperature is simultaneously filtered, is dried, grinding and obtain the nitrogen-doped modified nano-titanium dioxide of boron of silanization；The organo silane coupling agent is second
One kind in alkenyl triethoxysilane, vinyltrimethoxysilane, vinyl three (2- methoxy ethoxies) silane.
2. a kind of automatically cleaning wall according to claim 1, it is characterised in that：The boron nitrogen-doped nanometer dioxy
The preparation for changing titanium includes the following steps：
（1）Prepare boron nitrogen-doped titanium dioxide sol-gel precursor；
（2）Deionized water is added through step（1）In in obtained boron nitrogen-doped titanium dioxide sol-gel precursor, through stirring
Mix, stand after obtain boron nitrogen-doped nanometer titanium dioxide wet gel；
（3）It will be through step（2）Obtained boron nitrogen-doped nanometer titanium dioxide wet gel obtains after drying, grinding, calcining successively
Boron nitrogen-doped nanometer titanium dioxide.
3. a kind of automatically cleaning wall according to claim 2, it is characterised in that：The step（1）Middle boron nitrogen-doped nanometer
The preparation method of titania sol-gel presoma is：It is 10~15 by volume ratio：1 absolute ethyl alcohol and butyl titanate into
Row uniformly mixing, configuration obtain mixture A；Weigh boron source and nitrogen source respectively according to the dosage of above-mentioned butyl titanate, by boron source and
Nitrogen source is mixed to get the titanium in boron element, nitrogen source in nitrogen and mixture A in the boron source in mixture B, the mixture B
The molar ratio of titanium elements is in acid butyl ester：（0.2~0.9）：（0.1~0.8）:（1~10）；Mixture A, mixture B are mixed to prepare
Mixture C, the pH for adjusting mixture C are 3.5-4.5, stir and boron nitrogen-doped titanium dioxide sol-gel precursor is made.
4. a kind of automatically cleaning wall according to claim 3, it is characterised in that：The nitrogen source be thiocarbamide or urea, it is described
Boron source is boric acid or triethyl borate.
5. a kind of automatically cleaning wall according to claim 2, it is characterised in that：The step（2）Middle stir speed (S.S.) is 20-
30r/min, mixing time 2-3h.
6. a kind of automatically cleaning wall according to claim 2, it is characterised in that：The step（3）Middle drying temperature is 40-
90 DEG C, drying time 16-30h；The calcination temperature is 400-500 DEG C, calcination time 3-5h.
7. a kind of preparation method of the automatic cleaning coating of automatically cleaning wall according to claim 1, it is characterised in that：It will
1.5~3 parts of nitrogen-doped modified nano-titanium dioxides of the boron being prepared, are dispersed in 15~25 parts of acrylic ester monomers and 0.5
In the mixed liquor of~2 parts of assistant for emulsifying agents, stirring, ultrasonic disperse, it is 50~90 to add emulsifier, dosage that dosage is 2~6 parts
The deionized water of part, stirring, ultrasonic disperse are heated to 40~90 DEG C, and 0.3~0.6 part of initiator is added, and keep the temperature 3~5h,
Obtain nano-titanium dioxide automatic cleaning coating.
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| CN103628592A (en) * | 2012-08-30 | 2014-03-12 | 昆山开思拓节能技术有限公司 | Novel energy-saving environment-friendly wall for building |
| CN205134722U (en) * | 2015-11-24 | 2016-04-06 | 四川华构住宅工业有限公司 | Novel wallboard gives sound insulation |
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| CN103145912A (en) * | 2013-03-11 | 2013-06-12 | 北京科技大学 | Preparation method of titanium dioxide nano powder-modified fluorine-containing acrylate emulsion |
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