CN106320549A - Fireproofing self-cleaning wall, and method for preparing self-cleaning coating layer of self-cleaning wall - Google Patents
Fireproofing self-cleaning wall, and method for preparing self-cleaning coating layer of self-cleaning wall Download PDFInfo
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- CN106320549A CN106320549A CN201610788194.5A CN201610788194A CN106320549A CN 106320549 A CN106320549 A CN 106320549A CN 201610788194 A CN201610788194 A CN 201610788194A CN 106320549 A CN106320549 A CN 106320549A
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- boron
- nitrogen
- self
- sound insulation
- doped
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- 238000004140 cleaning Methods 0.000 title claims abstract description 94
- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000004079 fireproofing Methods 0.000 title abstract 5
- 239000011247 coating layer Substances 0.000 title abstract 4
- 238000009413 insulation Methods 0.000 claims abstract description 55
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical group [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims abstract description 9
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 129
- 229910052796 boron Inorganic materials 0.000 claims description 66
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 65
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 55
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 40
- 239000000203 mixture Substances 0.000 claims description 39
- 239000011248 coating agent Substances 0.000 claims description 38
- 238000000576 coating method Methods 0.000 claims description 38
- 239000004408 titanium dioxide Substances 0.000 claims description 37
- 238000003756 stirring Methods 0.000 claims description 32
- 238000002360 preparation method Methods 0.000 claims description 24
- 230000002265 prevention Effects 0.000 claims description 22
- TZHYBRCGYCPGBQ-UHFFFAOYSA-N [B].[N] Chemical compound [B].[N] TZHYBRCGYCPGBQ-UHFFFAOYSA-N 0.000 claims description 20
- 229910052757 nitrogen Inorganic materials 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 17
- 239000008367 deionised water Substances 0.000 claims description 16
- 229910021641 deionized water Inorganic materials 0.000 claims description 16
- -1 Acrylic ester Chemical class 0.000 claims description 12
- 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
- FPCJKVGGYOAWIZ-UHFFFAOYSA-N butan-1-ol;titanium Chemical compound [Ti].CCCCO.CCCCO.CCCCO.CCCCO FPCJKVGGYOAWIZ-UHFFFAOYSA-N 0.000 claims description 11
- 239000003995 emulsifying agent Substances 0.000 claims description 11
- 239000003999 initiator Substances 0.000 claims description 11
- 239000000178 monomer Substances 0.000 claims description 10
- 239000012703 sol-gel precursor Substances 0.000 claims description 10
- 239000006185 dispersion Substances 0.000 claims description 9
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 9
- 229920002554 vinyl polymer Polymers 0.000 claims description 9
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 8
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 7
- 238000001354 calcination Methods 0.000 claims description 7
- 239000004202 carbamide Substances 0.000 claims description 7
- 235000013877 carbamide Nutrition 0.000 claims description 7
- 238000012986 modification Methods 0.000 claims description 7
- 230000004048 modification Effects 0.000 claims description 7
- 229910052719 titanium Inorganic materials 0.000 claims description 7
- 239000010936 titanium Substances 0.000 claims description 7
- 239000011240 wet gel Substances 0.000 claims description 7
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 6
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 239000007957 coemulsifier Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 238000002156 mixing Methods 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 group Chemical group NC(=S)N UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-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
- 229960000935 dehydrated alcohol Drugs 0.000 claims description 5
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 claims description 5
- 238000001914 filtration Methods 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
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 4
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 4
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 4
- 239000004141 Sodium laurylsulphate Substances 0.000 claims description 4
- 239000004147 Sorbitan trioleate Substances 0.000 claims description 4
- 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 claims description 4
- 239000004327 boric acid Substances 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 4
- HPXRVTGHNJAIIH-UHFFFAOYSA-N cyclohexanol Chemical compound OC1CCCCC1 HPXRVTGHNJAIIH-UHFFFAOYSA-N 0.000 claims description 4
- BXWNKGSJHAJOGX-UHFFFAOYSA-N hexadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCO BXWNKGSJHAJOGX-UHFFFAOYSA-N 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
- 238000002444 silanisation Methods 0.000 claims description 4
- 235000019333 sodium laurylsulphate Nutrition 0.000 claims description 4
- JHJUUEHSAZXEEO-UHFFFAOYSA-M sodium;4-dodecylbenzenesulfonate Chemical compound [Na+].CCCCCCCCCCCCC1=CC=C(S([O-])(=O)=O)C=C1 JHJUUEHSAZXEEO-UHFFFAOYSA-M 0.000 claims description 4
- 235000019337 sorbitan trioleate Nutrition 0.000 claims description 4
- 229960000391 sorbitan trioleate Drugs 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
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 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
- 150000001282 organosilanes Chemical class 0.000 claims description 3
- 235000010482 polyoxyethylene sorbitan monooleate Nutrition 0.000 claims description 3
- 229920000053 polysorbate 80 Polymers 0.000 claims description 3
- WGRZHLPEQDVPET-UHFFFAOYSA-N 2-methoxyethoxysilane Chemical compound COCCO[SiH3] WGRZHLPEQDVPET-UHFFFAOYSA-N 0.000 claims description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 2
- 125000005619 boric acid group Chemical group 0.000 claims description 2
- DCAYPVUWAIABOU-NJFSPNSNSA-N hexadecane Chemical group CCCCCCCCCCCCCCC[14CH3] DCAYPVUWAIABOU-NJFSPNSNSA-N 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 239000000499 gel Substances 0.000 claims 1
- 239000010410 layer Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 4
- 230000001699 photocatalysis Effects 0.000 description 6
- 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
- 229920005830 Polyurethane Foam Polymers 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 238000000227 grinding Methods 0.000 description 4
- 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 4
- 229940012189 methyl orange Drugs 0.000 description 4
- 238000007146 photocatalysis Methods 0.000 description 4
- 238000006116 polymerization reaction Methods 0.000 description 4
- 239000011496 polyurethane foam Substances 0.000 description 4
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000007857 degradation product Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 229910000077 silane Inorganic materials 0.000 description 3
- 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 3
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 2
- 238000002835 absorbance Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 2
- 238000003763 carbonization Methods 0.000 description 2
- 230000000593 degrading effect Effects 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 235000019441 ethanol Nutrition 0.000 description 2
- FWDBOZPQNFPOLF-UHFFFAOYSA-N ethenyl(triethoxy)silane Chemical group CCO[Si](OCC)(OCC)C=C FWDBOZPQNFPOLF-UHFFFAOYSA-N 0.000 description 2
- 230000003287 optical effect Effects 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
- 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
- 241000208340 Araliaceae Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 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
- KPSZQYZCNSCYGG-UHFFFAOYSA-N [B].[B] Chemical compound [B].[B] KPSZQYZCNSCYGG-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002118 epoxides Chemical class 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000010438 heat treatment 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
- 230000004298 light response Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000013032 photocatalytic reaction Methods 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
-
- 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
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- 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
- E04B1/84—Sound-absorbing elements
- E04B1/8404—Sound-absorbing elements block-shaped
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- 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
- E04B1/84—Sound-absorbing elements
- E04B2001/8414—Sound-absorbing elements with non-planar face, e.g. curved, egg-crate shaped
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- 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
- E04B1/84—Sound-absorbing elements
- E04B2001/8457—Solid slabs or blocks
- E04B2001/8476—Solid slabs or blocks with acoustical cavities, with or without acoustical filling
Abstract
The invention belongs to the technical field of construction, and particularly relates to a fireproofing self-cleaning wall and a method for preparing the self-cleaning coating layer of the self-cleaning wall. The fireproofing self-cleaning wall comprises a first building block layer, a sound insulation layer, a second building block layer, a fireproofing layer and a self-cleaning layer. The sound insulation layer includes a sound insulation body and a plurality of strip-shaped sound insulation boards; the inner cavity of the sound insulation body is divided into a plurality of accommodating cavities through a plurality of strip shaped sound insulation boards; arc-shaped sound insulation boards are arranged on the accommodating cavities in a longitudinal symmetry mode; two ends of the arc-shaped sound insulation boards are respectively connected with the tops of the strip shaped sound insulation boards adjacent to the arc shaped sound insulation boards. An arc-shaped accommodating cavity is arranged between the arc-shaped sound insulation boards and the top walls of sound insulation body, and a vacuum bag is arranged in the arc-shaped accommodating cavity. The self-cleaning coating layer is nano titanium dioxide self-cleaning coating layer. The fireproofing self-cleaning wall has the advantages of being high in fire resistance, good in sound insulation effect, and excellent in self cleaning ability.
Description
Technical field
The invention belongs to technical field of buildings, be specifically related to a kind of automatically cleaning body of wall and automatically cleaning of automatically cleaning body of wall of preventing fires
The preparation method of coating.
Background technology
Along with the fast development of China's building industry, construction wall is because having Radix Saposhnikoviae, rainproof, insulation, heat insulation, its anti-noise, anti-sky
The advantages such as impervious and dicoration are favored by architects.But its cleaning way does not but have any change.Manual cleaning
Both inconvenience was the most dangerous, it addition, resource not only wasted by life-time service abluent, also environment will be brought pollution, and not meet mesh
Environmental protection that front country advocates, saving policy, therefore automatically cleaning construction wall is prepared in research becomes focus.
Research shows that titanium dioxide, under the irradiation of light, has super hydrophilic, photocatalysis, decomposing organic matter, release are born
The functions such as oxonium ion, namely self-cleaning function.Titanium dioxide self-cleaning function is applied on building wall solve it clear
Clean problem, rinses, by rain drop erosion and regular flowing water, the effect that just can reach naturally to clean body of wall.This automatically cleaning glass
The life expectancy of glass was up to 10 years as long as, and expert foretells, this body of wall without manual cleaning will cause one the most clearly
Clean revolution.
But nano titanium oxide specific surface area is big, surface energy is high and surface hydrophilic oleophobic, the most easily rolls into a ball
Poly-, aggregate can be substantially reduced the performance of titanium dioxide, reduces the photocatalytic activity of titanium deoxid film, and then impact is from clear
Clean ability.Publication No. CN105111401A discloses a kind of nano titanium oxide self-cleaning coating, but receives in this coating
Rice titanium dioxide dispersion is uniform not, easily reunites, affects the automatically cleaning effect of product.
Summary of the invention
An object of the present invention be to provide a kind of fire resistance property is strong, soundproof effect good, automatically cleaning ability is strong fire prevention from
Cleaning body of wall.
The two of the purpose of the present invention are to provide the preparation method of the automatic cleaning coating of a kind of automatically cleaning body of wall.
One of above-mentioned technical purpose of the present invention is achieved through the following technical solutions:
A kind of fire prevention automatically cleaning body of 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, described puigging includes sound insulation body, is positioned at the intrinsic multiple bar shaped baffles of described sound insulation, multiple described
The inner chamber of described sound insulation body is separated into multiple receiving cavity by bar shaped baffle, symmetrical above and below in described receiving cavity is provided with
Arc baffle, the both sides of described arc baffle respectively with adjacent described bar shaped baffle be connected, described arc baffle with
Forming arc cavity volume between the roof of described sound insulation body, be provided with vacuum bag in described arc cavity volume, described self-cleaning layer is
Nano titanium oxide automatic cleaning coating, described self-cleaning layer, according to the mass fraction, its composition includes following components:
The nitrogen-doped modified nano titanium oxide of boron 1.5～3
Acrylic ester monomer 15～25
Emulsifying agent 2～6
Co-emulsifier 0.5～2
Initiator 0.3～0.6
Deionized water 50～90
Described acrylic monomer is methyl methacrylate, Tert-butyl Methacrylate, acrylic acid-2-ethyl ester, acrylic acid
In hydroxyl ethyl ester one or more；Described co-emulsifier is hexadecane, hexadecanol, n-amyl alcohol or Hexalin；Described emulsifying agent is oil
Acid sodium, sodium lauryl sulphate, dodecylbenzene sodium sulfonate, Tween 80, polysorbas20, polyoxyethylene 20 sorbitan trioleate
In one or more, described initiator is the one in hydrogen peroxide, potassium peroxydisulfate, Ammonium persulfate.；Described boron N doping changes
Property nano titanium oxide preparation include the preparation of boron nitrogen-doped nanometer titanium dioxide, boron nitrogen-doped nanometer titanium dioxide surface successively
Modification procedure.
Using and arrange puigging in body of wall, puigging includes multiple bar shaped baffle, and arc baffle and obstruct are made an uproar
The vacuum bag of sound, is arranged by multiple sound insulation, and soundproof effect is more preferable.Noise can be stoped between the most adjacent baffle from wall
Opposite side is passed in body side.Be filled with sound-isolating sponge pad between vacuum bag and receiving cavity cavity wall simultaneously, further increase every
Audio fruit.Fireprotection layer is set in body of wall, fire prevention channel is set in fireprotection layer, polyurethane foam, polyurethane foam, table are set in groove
Face carbonization can stop burning, has good fire protecting performance.Arrange outside fireprotection layer from close clean layer, make body of wall have concurrently sound insulation and
Two kinds of functions of automatically cleaning.At nano titanium oxide doped boron-nitrogen element, can forbidden band in introduce doped energy-band, make forbidden band narrow
Change, the light that energy absorbing wavelength is longer, the red shift of optical absorption band limit, widened photoresponse scope, improve quantum efficiency, thus
It is favorably improved photocatalysis efficiency.Codope on the basis of single doping, light absorbs red shift degree and strengthens further, it is seen that light
Response strengthens, and degrading organic pollutant matter under sunlight.On the other hand the nitrogen co-doped rear titanium dioxide of boron is pure
Degree height, particle size size is uniform, good dispersion, be possible to prevent follow-up in the course of the polymerization process, titanium dioxide is in the polymer
Reunite, affect the performance of coating.
As preferably, the preparation of described boron nitrogen-doped nanometer titanium dioxide comprises the following steps:
(1) boron nitrogen co-doped titanium dioxide sol-gel precursor is prepared；
(2) deionized water is added the nitrogen co-doped nano titanic oxide sol-Gel Precursor of boron obtained in step (1)
In, agitated, stand after obtain boron nitrogen co-doped nano titanium oxide wet gel；
(3) by the boron nitrogen co-doped nano titanium oxide wet gel drying successively obtained through step (2), grind, calcine after
To the nitrogen co-doped nano titanium oxide of boron.
As preferably, the preparation method of the nitrogen co-doped nano titanic oxide sol-Gel Precursor of boron in described step (1)
For: uniformly being mixed with butyl titanate by the dehydrated alcohol that volume ratio is 10～15:1, configuration obtains mixture A；According to upper
The consumption stating butyl titanate weighs boron source and nitrogen source respectively, boron source and nitrogen source is mixed to get mixture B, in described mixture B
Boron source in boron element, nitrogen source in the butyl titanate in nitrogen element and mixture A the mol 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, and the pH of regulation mixture C is 3.5-
4.5, stirring, prepare boron nitrogen co-doped titanium dioxide sol-gel precursor.
As preferably, described nitrogen source is thiourea or carbamide, and described boron source is boric acid or triethyl borate.
As preferably, in described step (2), stir speed (S.S.) is 20-30r/min, and mixing time is 2-3h.
As preferably, drying temperature and be 40-90 DEG C in described step (3), drying time is 16-30h；Described calcining heat
For 400-500 DEG C, calcination time is 3-5h.
As preferably, the method for described boron nitrogen-doped nanometer titanium dioxide surface modification is: prepare 1.5～3 parts
Boron nitrogen-doped nanometer titanium dioxide join in ethanol water, and make it fully dispersed under strong stirring；At dispersion liquid
Middle addition 0.5～2.5 parts of organo silane coupling agents, after magnetic agitation insulation reaction 1-3 hour, be cooled to room temperature sucking filtration, baking
Dry, grinding obtains the nitrogen-doped modified nano titanium oxide of silanization boron.
As preferably, described organo silane coupling agent is VTES, vinyltrimethoxy silane, vinyl
One in three (2-methoxy ethoxy) silane.
Use the silane coupler containing vinyl that boron nitrogen-doped nanometer titanium dioxide surface is carried out silanization treatment so that it is
Surface contains vinyl, can improve the compatibility of itself and monomer, it is to avoid reunite, and vinyl can with acrylate monomer altogether
Poly-, it is ensured that the stability of reaction in polymerization process, the storage stability of complex emulsions and nano titanium oxide are at acrylic acid
Excellent dispersion in ester polymer.
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 body of wall of preventing fires, it is characterised in that: 1.5～3 parts are prepared
The nitrogen-doped modified nano titanium oxide of boron, is dispersed in 15～25 parts of acrylic ester monomers and the mixing of 0.5～2 part of co-emulsifier
In liquid, stirring, ultrasonic disperse, add emulsifying agent that consumption is 2～6 parts, consumption is the deionized water of 50～90 parts, stirring,
Ultrasonic disperse, is heated to 40～90 DEG C, adds 0.3～0.6 part of initiator, is incubated 3～5h, obtains nano titanium oxide certainly
Cleaning coating.
In sum, the method have the advantages that
1. using and arrange puigging in body of wall, puigging includes multiple bar shaped baffle, arc baffle and obstruct noise
Vacuum bag, arranged by multiple sound insulation, soundproof effect is more preferable.Noise can be stoped between the most adjacent baffle from body of wall
Opposite side is passed in side.It is filled with sound-isolating sponge pad simultaneously between vacuum bag and receiving cavity cavity wall, further increases sound insulation
Effect.Fireprotection layer is set in body of wall, fire prevention channel is set in fireprotection layer, polyurethane foam, polyurethane foam, surface are set in groove
Carbonization can stop burning, has good fire protecting performance.
2. at nano titanium oxide doped boron-nitrogen element, can forbidden band in introduce doped energy-band, make forbidden band narrow,
The light that energy absorbing wavelength is longer, the red shift of optical absorption band limit, widen photoresponse scope, improve quantum efficiency, thus help
In improving photocatalysis efficiency.Codope on the basis of single doping, light absorbs red shift degree and strengthens further, it is seen that photoresponse
Strengthen, and degrading organic pollutant matter under sunlight.On the other hand the nitrogen co-doped rear titanium dioxide purity of boron is high,
Particle size size is uniform, good dispersion, be possible to prevent follow-up in the course of the polymerization process, titanium dioxide reunion in the polymer,
Affect the performance of coating.
3. use the silane coupler modified nano titanium oxide containing vinyl so that it is surface contains vinyl, can improve
Its compatibility with monomer, it is to avoid reunite, and vinyl can be with acrylate monomer copolymerization, it is ensured that anti-in polymerization process
The stability answered, the storage stability of complex emulsions and the nano titanium oxide dispersibility in acrylate polymer is excellent
Different.
Accompanying drawing explanation
Fig. 1 is the structural representation of body of wall of the present invention；
1-the first building block layer in figure, 2-the second building block layer, 31-sound insulation body, 32-bar shaped baffle, 33-arc baffle, 34-
Vacuum bag, 4-fireprotection layer, 5-self-cleaning layer.
Detailed description of the invention
Embodiment 1
As it is shown in figure 1, a kind of fire prevention automatically cleaning body of wall, include the first building block layer 1, puigging, the second building block layer 2, fire prevention successively
Layer 4 and self-cleaning layer 5, puigging includes sound insulation body 31, is positioned at multiple bar shaped baffles 32 of sound insulation body 31, multiple
The inner chamber of sound insulation body is separated into multiple receiving cavity by shape baffle 32, symmetrical above and below in receiving cavity is provided with arc sound insulation
Plate 33, the both sides of arc baffle 33 are connected with adjacent bar baffle 32 end respectively, arc baffle 33 and sound insulation body
Forming arc cavity volume between the roof of 31, be provided with vacuum bag 34 in arc cavity volume, self-cleaning layer 5 is that nano titanium oxide is from clear
Clean coating, consisting of of above-mentioned self-cleaning layer 5: according to the mass fraction, its raw material includes following components:
The nitrogen-doped modified nano titanium oxide of boron 1.5
Tert-butyl Methacrylate 15
Sodium lauryl sulphate 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 nano-silicas of silanization boron
Change titanium, be dispersed in the mixed liquor of 15 parts of Tert-butyl Methacrylates and 0.5 part of hexadecanol, stirring, ultrasonic disperse, add use
The deionized water that sodium lauryl sulphate emulsifying agent that amount is 2 parts, consumption are 50 parts, stirring, ultrasonic disperse, it is heated to 40
DEG C, add 0.3 part of potassium peroxydisulfate initiator, be incubated 3h, obtain nano titanium oxide self-cleaning coating.
The preparation of the nitrogen-doped modified nano titanium oxide of above-mentioned boron includes: the preparation of (1) boron nitrogen-doped nanometer titanium dioxide:
Measuring dehydrated alcohol respectively for 10:1 by volume to mix homogeneously with butyl titanate, configuration obtains mixture A；According to butyl titanate
Consumption weigh boric acid and carbamide respectively, mixing, obtain mixture B, nitrogen element, metatitanic acid in boron element, carbamide in its mesoboric acid
In butyl ester, the mol ratio of titanium elements is: 0.2:0.1: 1；Mixture A, mixture B are mixed to prepare mixture C, regulate mixture
The pH of C is 4, and stirring prepares boron nitrogen co-doped titanium dioxide sol-gel precursor, through 20r/min stir speed (S.S.), stirs 2h,
Obtain boron nitrogen co-doped nano titanium oxide wet gel after standing, be then passed through at 40 DEG C drying 16h, grinding, in Muffle furnace
After 400 DEG C of calcining 3h, obtain boron nitrogen-doped nanometer titanium dioxide.
(2) boron nitrogen-doped nanometer titanium dioxide surface modification: according to the mass fraction, the boron nitrogen prepared 1.5 parts is mixed
Miscellaneous nano titanium oxide joins in ethanol water, and makes it fully dispersed under strong stirring；0.5 is added in dispersion liquid
Part vinyltrimethoxy silane coupling agent, magnetic agitation insulation reaction is after 1 hour, is cooled to room temperature sucking filtration, dries, grinds
Obtain the nitrogen-doped modified nano titanium oxide of boron.
Embodiment 2
As it is shown in figure 1, a kind of fire prevention automatically cleaning body of wall, include the first building block layer 1, puigging, the second building block layer 2, fire prevention successively
Layer 4 and self-cleaning layer 5, puigging includes sound insulation body 31, is positioned at multiple bar shaped baffles 32 of sound insulation body 31, multiple
The inner chamber of sound insulation body 31 is separated into multiple receiving cavity by shape baffle 32, in receiving cavity symmetrical above and below be provided with arc every
Soundboard 33, the both sides of arc baffle 33 are connected with adjacent bar baffle 32 top respectively, and arc baffle 33 is with sound insulation originally
Between the roof of body 31 formed arc cavity volume, be provided with vacuum bag 34 in arc cavity volume, self-cleaning layer 5 be nano titanium oxide oneself
Cleaning coating, consisting of of above-mentioned self-cleaning layer 5: according to the mass fraction, its raw material includes following components:
The nitrogen-doped modified nano titanium oxide of boron 3
2-(Acryloyloxy)ethanol 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 nano titanium oxides of boron, point
It is dispersed in the mixed liquor of 25 parts of 2-(Acryloyloxy)ethanols and 6 parts of n-amyl alcohols, stirring, ultrasonic disperse, adds the tween that consumption is 6 parts
80 emulsifying agents, consumption are the deionized water of 90 parts, stirring, and ultrasonic disperse is heated to 40 DEG C, adds 0.6 part of hydrogen peroxide
Initiator, is incubated 3h, obtains modified nano-titanium dioxide self-cleaning coating.
The preparation method of the nitrogen-doped modified nano titanium oxide of above-mentioned boron is: the system of (1) boron nitrogen-doped nanometer titanium dioxide
Standby: to measure dehydrated alcohol respectively for 15:1 by volume and mix homogeneously with butyl titanate, configuration obtains mixture A；According to metatitanic acid
The consumption of butyl ester weighs triethyl borate and thiourea respectively, mixing, obtains mixture B, wherein boron element, sulfur in triethyl borate
In urea, in nitrogen element, butyl titanate, the mol ratio of titanium elements is: 0.9:0.8: 10；Mixture A, mixture B are mixed to prepare
Mixture C, the pH of regulation mixture C is 4, and stirring prepares boron nitrogen co-doped titanium dioxide sol-gel precursor, through 30r/
Min stir speed (S.S.), stirs 3h, obtains boron nitrogen co-doped nano titanium oxide wet gel after standing, is then passed through at 90 DEG C drying
30h, grinding, in Muffle furnace after 500 DEG C of calcining 5h, obtain boron nitrogen-doped nanometer titanium dioxide.
(2) boron nitrogen-doped nanometer titanium dioxide surface modification: according to the mass fraction, the boron N doping that 3 parts are prepared
Nano titanium oxide joins in ethanol water, and makes it fully dispersed under strong stirring；2.5 parts are added in dispersion liquid
VTES coupling agent, magnetic agitation insulation reaction is after 3 hours, is cooled to room temperature sucking filtration, dries, grinds
To the nitrogen-doped modified nano titanium oxide of boron.
Embodiment 3
As it is shown in figure 1, a kind of fire prevention automatically cleaning body of wall, include the first building block layer 1, puigging, the second building block layer 2, fire prevention successively
Layer 4 and self-cleaning layer 5, puigging includes sound insulation body 31, is positioned at multiple bar shaped baffles 32 of sound insulation body 31, multiple
The inner chamber of sound insulation body 31 is separated into multiple receiving cavity by shape baffle 32, in receiving cavity symmetrical above and below be provided with arc every
Soundboard 33, the both sides of arc baffle 33 are connected with adjacent bar baffle 32 top respectively, and arc baffle 33 is with sound insulation originally
Between the roof of body 31 formed arc cavity volume, be provided with vacuum bag 34 in arc cavity volume, self-cleaning layer 5 be nano titanium oxide oneself
Cleaning coating, consisting of of above-mentioned self-cleaning layer 5: according to the mass fraction, its raw material includes following components:
The nitrogen-doped modified nano titanium oxide 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 nano titanium oxides of boron, point
Being dispersed in the mixed liquor of 20 parts of acrylic acid-2-ethyl esters and 1.5 parts of hexadecanes, stirring, ultrasonic disperse, adding consumption is 4 parts
Polyoxyethylene 20 sorbitan trioleate emulsifying agent, consumption be the deionized water of 70 parts, stirring, ultrasonic disperse, heating rises
Temperature, to 40 DEG C, adds 0.5 part of ammonium persulfate initiator, is incubated 3h, obtains modified nano-titanium dioxide self-cleaning coating.
The preparation method of above-mentioned boron N doping cladding nano titanium oxide is: the system of (1) boron nitrogen-doped nanometer titanium dioxide
Standby: to measure dehydrated alcohol respectively for 12:1 by volume and mix homogeneously with butyl titanate, configuration obtains mixture A；According to metatitanic acid
The consumption of butyl ester weighs boric acid and carbamide respectively, mixing, obtains mixture B, nitrogen element in boron element, carbamide in its mesoboric acid,
In butyl titanate, the mol ratio of titanium elements is: 0.6:0.5: 6；Mixture A, mixture B are mixed to prepare mixture C, regulation
The pH of mixture C is 4, and stirring prepares boron nitrogen co-doped titanium dioxide sol-gel precursor, through 25r/min stir speed (S.S.), stirs
Mix 2.5h, after standing, obtain boron nitrogen co-doped nano titanium oxide wet gel, be then passed through at 70 DEG C drying 25h, grinding, horse
Not in stove after 450 DEG C of calcining 4.5h, obtain boron nitrogen-doped nanometer titanium dioxide.
(2) boron nitrogen-doped nanometer titanium dioxide surface modification: the boron nitrogen-doped nanometer titanium dioxide prepared 2 parts adds
Enter in ethanol water, and make it fully dispersed under strong stirring；1.5 parts of vinyl three (2-first are added in dispersion liquid
Epoxide ethyoxyl) silane coupler, magnetic agitation insulation reaction is after 2 hours, is cooled to room temperature sucking filtration, dries, grinds and obtain
The nitrogen-doped modified nano titanium oxide of boron.
Embodiment 4
As it is shown in figure 1, a kind of fire prevention automatically cleaning body of wall, include the first building block layer 1, puigging, the second building block layer 2, fire prevention successively
Layer 4 and self-cleaning layer 5, puigging includes sound insulation body 31, is positioned at multiple bar shaped baffles 32 of sound insulation body 31, multiple
The inner chamber of sound insulation body 31 is separated into multiple receiving cavity by shape baffle 32, in receiving cavity symmetrical above and below be provided with arc every
Soundboard 33, the both sides of arc baffle 33 are connected with adjacent bar baffle 32 top respectively, and arc baffle 33 is with sound insulation originally
Between the roof of body 31 formed arc cavity volume, be provided with vacuum bag 34 in arc cavity volume, self-cleaning layer 5 be nano titanium oxide oneself
Cleaning coating, consisting of of above-mentioned self-cleaning layer 5: according to the mass fraction, its raw material includes following components:
The nitrogen-doped modified nano titanium oxide of boron boron 2.5
Methyl methacrylate 18
Enuatrol 3
Hexalin 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 nitrogen-doped modified for 2.5 parts of boron
Nano titanium oxide, is dispersed in the mixed liquor of 18 parts of methyl methacrylates and 1.1 parts of Hexalin, stirring, ultrasonic disperse, then
Add enuatrol emulsifying agent that consumption is 3 parts, consumption is the deionized water of 60 parts, stirring, and ultrasonic disperse is heated to 40
DEG C, add 0.4 part of potassium peroxydisulfate initiator, be incubated 3h, obtain nano titanium oxide self-cleaning coating.The nitrogen-doped modified nanometer of boron
The preparation method of titanium dioxide is with embodiment 1.
Embodiment 5
As it is shown in figure 1, a kind of fire prevention automatically cleaning body of wall, include the first building block layer 1, puigging, the second building block layer 2, fire prevention successively
Layer 4 and self-cleaning layer 5, puigging includes sound insulation body 31, is positioned at the intrinsic multiple bar shaped baffles 32 of sound insulation, multiple bar shapeds
The inner chamber of sound insulation body 31 is separated into multiple receiving cavity by baffle 32, symmetrical above and below in receiving cavity is provided with arc sound insulation
Plate 33, the both sides of arc baffle 33 are connected with adjacent bar baffle 32 top respectively, arc baffle 33 and sound insulation body
Forming arc cavity volume between the roof of 31, be provided with vacuum bag 34 in arc cavity volume, self-cleaning layer 5 is that nano titanium oxide is from clear
Clean coating, consisting of of above-mentioned self-cleaning layer 5: according to the mass fraction, its raw material includes following components:
The nitrogen-doped modified nano titanium oxide of boron 2.8
2-(Acryloyloxy)ethanol 22
Dodecylbenzene sodium sulfonate 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 nano titanium oxides of boron,
Being dispersed in the mixed liquor of 22 parts of 2-(Acryloyloxy)ethanols and 1.8 parts of n-amyl alcohols, stirring, ultrasonic disperse, adding consumption is 5 parts
Dodecylbenzene sodium sulfonate emulsifying agent, consumption are the deionized water of 80 parts, stirring, and ultrasonic disperse is heated to 40 DEG C, adds
0.5 part of ammonium persulfate initiator, is incubated 3h, obtains modified nano-titanium dioxide self-cleaning coating.The nitrogen-doped modified nanometer of boron two
The preparation method of titanium oxide is with embodiment 2.
Comparative example 1
Difference with embodiment 1 is that nano titanium oxide that automatic cleaning coating uses is not through any process.
Performance test
1. contact angle detection: direct spraying self-cleaning coating of the present invention on construction wall, forms automatic cleaning coating, standard conditions
Lower placement uses static contact angle instrument detection water contact angle after 7 days, result is as shown in the table:
Table 1 contact angle detection
2. photocatalysis checking: carry out photocatalytic activity evaluation for target degradation product with 20mg/L methyl orange solution.Measure 50mL mesh
Mark degradation product solution, in culture dish, by scribbling the glass substrate of self-cleaning coating formation coating, is immersed in target solution respectively,
And culture dish is placed in photocatalytic reaction device.Light source is the xenon lamp of 300W, at a distance of 20cm between sample and light source, with 722
Type visible spectrophotometer measures the absorbance of target degradation product.With methyl orange solution a length of ginseng of maximum absorption wave at 465 nm
According to position, timing measures each example absorbance after Xenon light shining, thus calculates methyl orange solution residual concentration percentage ratio.Table
2 is methyl orange residual concentration percentage ratio.
Table 2 methyl orange residual concentration percentage ratio.
The water contact angle number of degrees from table 1 are it can be seen that the relative contrast example present invention has good hydrophilic, along with light
According to the increase of time, scribble the glass substrate water contact angle contact angle of formation coating of the self-cleaning coating of the present invention increasingly
Little, illustrate that wettability is become better and better, and wettability is better than not through processing nanometer titanium dioxide coating, through illumination in four days
The coating contact angle of the present invention is zero, and complete wetting has Superhydrophilic.From table 2, methyl orange residual concentration percentage ratio is permissible
Find out, through the nanometer titanium dioxide coating that doped boron-nitrogen is modified, the degradation rate of methyl orange is not significantly larger than had modified painting
Layer.This specific embodiment is only explanation of the invention, and it is not limitation of the present invention, and those skilled in the art are readding
As required the present embodiment can be made after running through this specification and there is no the amendment of creative contribution, but as long as the present invention's
All protected by Patent Law in right.
Claims (9)
1. a fire prevention automatically cleaning body of wall, it is characterised in that: include the first building block layer (1), puigging, the second building block layer successively
(2), fireprotection layer (4) and self-cleaning layer (5), described puigging includes sound insulation body (31), to be positioned at described sound insulation intrinsic many
Individual bar shaped baffle (32), the inner chamber of described sound insulation body is separated into multiple receiving chamber by multiple described bar shaped baffles (32)
Body, the arc baffle (33) that is provided with symmetrical above and below in described receiving cavity, the both sides of described arc baffle (33) respectively with
Adjacent described bar shaped baffle (32) is connected, and forms arc between described arc baffle (33) and the roof of described sound insulation body
Cavity volume, is provided with vacuum bag (34) in described arc cavity volume, described self-cleaning layer (5) is nano titanium oxide automatic cleaning coating,
Described self-cleaning layer (5), according to the mass fraction, its composition includes following components:
The nitrogen-doped modified nano titanium oxide of boron 1.5～3
Acrylic ester monomer 15～25
Emulsifying agent 2～6
Co-emulsifier 0.5～2
Initiator 0.3～0.6
Deionized water 50～90
Described acrylic monomer is methyl methacrylate, Tert-butyl Methacrylate, acrylic acid-2-ethyl ester, acrylic acid
In hydroxyl ethyl ester one or more；Described co-emulsifier is hexadecane, hexadecanol, n-amyl alcohol or Hexalin；Described emulsifying agent is oil
Acid sodium, sodium lauryl sulphate, dodecylbenzene sodium sulfonate, Tween 80, polysorbas20, polyoxyethylene 20 sorbitan trioleate
In one or more, described initiator is the one in hydrogen peroxide, potassium peroxydisulfate, Ammonium persulfate.；Described boron N doping changes
Property nano titanium oxide preparation include the preparation of boron nitrogen-doped nanometer titanium dioxide, boron nitrogen-doped nanometer titanium dioxide surface successively
Modification procedure.
A kind of fire prevention automatically cleaning body of wall the most according to claim 1, it is characterised in that: the nitrogen-doped modified nanometer of described boron two
The preparation of titanium oxide comprises the following steps:
(1) boron nitrogen co-doped titanium dioxide sol-gel precursor is prepared；
(2) deionized water is added the nitrogen co-doped nano titanic oxide sol-Gel Precursor of boron obtained in step (1)
In, agitated, stand after obtain boron nitrogen co-doped nano titanium oxide wet gel；
(3) by the boron nitrogen co-doped nano titanium oxide wet gel drying successively obtained through step (2), grind, calcine after
To the nitrogen co-doped nano titanium oxide of boron.
A kind of fire prevention automatically cleaning body of wall the most according to claim 2, it is characterised in that: in described step (1), boron nitrogen is co-doped with
The preparation method of miscellaneous nano titanic oxide sol-Gel Precursor is: by dehydrated alcohol that volume ratio is 10～15:1 and metatitanic acid
Butyl ester uniformly mixes, and configuration obtains mixture A；Consumption according to above-mentioned butyl titanate weighs boron source and nitrogen source respectively, will
Boron source and nitrogen source are mixed to get mixture B, nitrogen element and mixture A in boron element, nitrogen source in the boron source in described mixture B
In butyl titanate in the mol ratio of titanium elements be: (0.2 ~ 0.9): (0.1 ~ 0.8): (1 ~ 10)；Mixture A, mixture B are mixed
Closing and prepare mixture C, the pH of regulation mixture C is 3.5-4.5, before stirring prepares boron nitrogen co-doped titanium dioxide sol-gel
Drive body.
A kind of fire prevention automatically cleaning body of wall the most according to claim 3, it is characterised in that: described nitrogen source is thiourea or carbamide,
Described boron source is boric acid or triethyl borate.
A kind of fire prevention automatically cleaning body of wall the most according to claim 3, it is characterised in that: stir speed (S.S.) in described step (2)
For 20-30r/min, mixing time is 2-3h.
A kind of fire prevention automatically cleaning body of wall the most according to claim 3, it is characterised in that: described step (3) is dried temperature
For 40-90 DEG C, drying time is 16-30h；Described calcining heat is 400-500 DEG C, and calcination time is 3-5h.
7. according to a kind of fire prevention automatically cleaning body of wall described in claim 1-6 any claim, it is characterised in that: described boron nitrogen
The method of doped nano titanium dioxide surface modification is: the boron nitrogen-doped nanometer titanium dioxide prepared 1.5～3 parts adds
In ethanol water, and make it fully dispersed under strong stirring；0.5～2.5 part of organosilan is added even in dispersion liquid
Connection agent, after magnetic agitation insulation reaction 1-3 hour, is cooled to room temperature sucking filtration, dries, grinds and obtain silanization boron N doping and change
Property nano titanium oxide.
A kind of fire prevention automatically cleaning body of wall the most according to claim 7, it is characterised in that: described organo silane coupling agent is second
One in thiazolinyl triethoxysilane, vinyltrimethoxy silane, vinyl three (2-methoxy ethoxy) silane.
The preparation method of the automatic cleaning coating of a kind of automatically cleaning body of wall of preventing fires the most according to claim 8, it is characterised in that:
By 1.5～3 parts of nitrogen-doped modified nano titanium oxides of the boron prepared, be dispersed in 15～25 parts of acrylic ester monomers and
In the mixed liquor of 0.5～2 part of co-emulsifier, stirring, ultrasonic disperse, add emulsifying agent that consumption is 2～6 parts, consumption is 50
～the deionized water of 90 parts, stirring, ultrasonic disperse, it is heated to 40～90 DEG C, adds 0.3～0.6 part of initiator, be incubated 3
～5h, obtain nano titanium oxide automatic cleaning coating.
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