CN113117649A - TVOC powder-resistant indoor degradation TVOC flowery flavor coating and preparation method thereof - Google Patents
TVOC powder-resistant indoor degradation TVOC flowery flavor coating and preparation method thereof Download PDFInfo
- Publication number
- CN113117649A CN113117649A CN202110389483.9A CN202110389483A CN113117649A CN 113117649 A CN113117649 A CN 113117649A CN 202110389483 A CN202110389483 A CN 202110389483A CN 113117649 A CN113117649 A CN 113117649A
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- China
- Prior art keywords
- tvoc
- powder
- stirring
- activated carbon
- coconut shell
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- 239000000843 powder Substances 0.000 title claims abstract description 47
- 239000011248 coating agent Substances 0.000 title claims abstract description 28
- 238000000576 coating method Methods 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 230000015556 catabolic process Effects 0.000 title claims abstract description 10
- 238000006731 degradation reaction Methods 0.000 title claims abstract description 10
- 239000000796 flavoring agent Substances 0.000 title description 2
- 235000019634 flavors Nutrition 0.000 title description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical class [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 73
- 238000003756 stirring Methods 0.000 claims abstract description 68
- 235000013162 Cocos nucifera Nutrition 0.000 claims abstract description 41
- 244000060011 Cocos nucifera Species 0.000 claims abstract description 41
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 41
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000005543 nano-size silicon particle Substances 0.000 claims abstract description 35
- 238000002156 mixing Methods 0.000 claims abstract description 33
- 238000001035 drying Methods 0.000 claims abstract description 26
- 239000003973 paint Substances 0.000 claims abstract description 20
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 19
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 12
- 238000001914 filtration Methods 0.000 claims abstract description 11
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000000126 substance Substances 0.000 claims abstract description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 54
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 30
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 30
- 239000000243 solution Substances 0.000 claims description 27
- 238000001132 ultrasonic dispersion Methods 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 239000007864 aqueous solution Substances 0.000 claims description 19
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 17
- 239000002562 thickening agent Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 13
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- 239000003899 bactericide agent Substances 0.000 claims description 12
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- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 10
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 10
- 239000002518 antifoaming agent Substances 0.000 claims description 10
- FPCJKVGGYOAWIZ-UHFFFAOYSA-N butan-1-ol;titanium Chemical compound [Ti].CCCCO.CCCCO.CCCCO.CCCCO FPCJKVGGYOAWIZ-UHFFFAOYSA-N 0.000 claims description 10
- 238000001354 calcination Methods 0.000 claims description 10
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- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical group OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 6
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- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 3
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- MGIYRDNGCNKGJU-UHFFFAOYSA-N isothiazolinone Chemical group O=C1C=CSN1 MGIYRDNGCNKGJU-UHFFFAOYSA-N 0.000 claims description 2
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- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 230000000593 degrading effect Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
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- ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical compound CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
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- OCJBOOLMMGQPQU-UHFFFAOYSA-N 1,4-dichlorobenzene Chemical compound ClC1=CC=C(Cl)C=C1 OCJBOOLMMGQPQU-UHFFFAOYSA-N 0.000 description 1
- YIWGJFPJRAEKMK-UHFFFAOYSA-N 1-(2H-benzotriazol-5-yl)-3-methyl-8-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carbonyl]-1,3,8-triazaspiro[4.5]decane-2,4-dione Chemical compound CN1C(=O)N(c2ccc3n[nH]nc3c2)C2(CCN(CC2)C(=O)c2cnc(NCc3cccc(OC(F)(F)F)c3)nc2)C1=O YIWGJFPJRAEKMK-UHFFFAOYSA-N 0.000 description 1
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- 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 description 1
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- MOVRNJGDXREIBM-UHFFFAOYSA-N aid-1 Chemical compound O=C1NC(=O)C(C)=CN1C1OC(COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C(NC(=O)C(C)=C2)=O)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C(NC(=O)C(C)=C2)=O)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C(NC(=O)C(C)=C2)=O)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)CO)C(O)C1 MOVRNJGDXREIBM-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8678—Removing components of undefined structure
- B01D53/8687—Organic components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/14—Diatomaceous earth
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20707—Titanium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/80—Type of catalytic reaction
- B01D2255/802—Photocatalytic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/001—Conductive additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Inorganic Chemistry (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Geochemistry & Mineralogy (AREA)
- Health & Medical Sciences (AREA)
- Cosmetics (AREA)
- Paints Or Removers (AREA)
Abstract
The invention relates to a TVOC powder-resistant indoor degradation TVOC floral paint and a preparation method thereof, and the preparation method of the TVOC powder-resistant indoor degradation TVOC floral paint comprises the following steps: (1) preparing coconut shell activated carbon powder; (2) preparing coconut shell activated carbon powder loaded with nano silicon chips; (3) preparing calcined diatomite, (4) preparing diatomite powder with nano-scale titanium dioxide loaded on the surface; (5) mixing the coconut shell activated carbon powder loaded with the nano silicon chip, the diatomite powder loaded with the nano titanium dioxide on the surface and the graphene oxide according to the mass ratio of 20-40:10-30:1-5, stirring, ultrasonically dispersing, filtering, drying and crushing to obtain the TVOC resistant powder. The TVOC resistant powder can adsorb harmful substances close to the coating, and valence band electrons of the nano titanium dioxide are excited in the environment with visible light or ultraviolet light, so that the decomposition speed of the harmful substances is accelerated.
Description
Technical Field
The invention relates to TVOC powder-resistant indoor degradation TVOC floral paint and a preparation method thereof.
Background
Along with the rapid development of economy in China, the living standard of people is remarkably improved, and the demand of people on comfortable and elegant indoor environment is more and more strong. However, more and more people feel uneasy due to pollution caused by indoor decoration, and reports of diseases caused by decoration are more frequent, wherein the problems caused by various organic pollutants are more serious.
Common organic pollutants brought by decoration can be classified into aldehydes and ketones (formaldehyde and acetone), benzene series (dimethylbenzene and ethylbenzene), chlorobenzene (chlorobenzene and dichlorobenzene) and other compounds (n-hexanol and acetic butanol) according to different categories of organic matters, and are commonly represented by Total Volatile Organic Compounds (TVOC) in domestic and foreign literature documents. At present, related research institutions think that TVOC causes maladjustment of organism immune level, influences central nervous system functions to cause symptoms such as dizziness, headache, somnolence, weakness, chest distress and the like, also influences digestive system to cause symptoms such as inappetence, nausea and the like, and can damage liver and hematopoietic system to cause allergic reaction and the like in severe cases.
In order to deal with the damage, the development of new environment-friendly technologies and products and the development and application of self-cleaning materials in China are actively developed at present, and the development and application of the self-cleaning materials in the environment become a research hotspot at home and abroad. As one of the necessary decoration materials for home decoration, the coating is concerned by consumers with safety and environmental protection. Along with the continuous enhancement of health consciousness of consumers, more and more people select odor-free products, but TVOC in other home decoration materials can volatilize out continuously along with the lapse of time, so that the indoor air becomes pungent in taste to a certain extent, the quality of the indoor air is influenced, and the health of people is influenced, therefore, the environment-friendly interior wall coating capable of covering the TVOC taste and degrading the TVOC is necessary to be developed.
Disclosure of Invention
The TVOC resistant powder and the TVOC indoor degrading flower scent type coating with the TVOC resistant powder can effectively adsorb TVOC and decompose the TVOC to a certain extent.
The invention is realized by the following technical scheme:
a preparation method of TVOC resistant powder comprises the following steps:
(1) soaking coconut shell activated carbon in a dilute nitric acid aqueous solution with the mass concentration of 3-5% for 2-3h, transferring the coconut shell activated carbon soaked in the dilute nitric acid aqueous solution into an ultrasonic dispersion instrument filled with deionized water, performing ultrasonic dispersion for 15-20 min, taking out, cleaning, drying, and grinding to 500-mesh and 700-mesh to obtain coconut shell activated carbon powder;
(2) adding absolute ethyl alcohol into a container at room temperature, and continuously introducing N2Then adding a silane coupling agent under stirring at 100-150rpm, then stirring at 150-200rpm for 3-5 minutes, then adding a nano silicon chip, then stirring at 350-400rpm for 10-20 minutes, and then heating to 50-70 ℃; then transferring to an ultrasonic dispersion instrument for ultrasonic dispersion, adding the coconut shell activated carbon powder ground in the step (1), and performing ultrasonic dispersion for 5-15 min; removing ethanol, and drying to obtain coconut shell activated carbon powder loaded with nano silicon chips;
in the step, the mass ratio of the nano silicon chip to the coconut shell activated carbon powder obtained in the step (1) is 1: 2-3; the mass ratio of the silane coupling agent to the nano silicon wafer is 5-8: 100; the total mass of the mixed nano silicon chip and the coconut shell activated carbon powder obtained in the step (1) is less than or equal to 50% of the mass of the absolute ethyl alcohol;
(3) adding diatomite into a sulfuric acid aqueous solution for mixing, stirring for 1-2h at 70-90 ℃, then filtering and washing, and then calcining for 2-3h at 500-600 ℃; wherein the mass concentration of the sulfuric acid aqueous solution is 8-10%; the mass ratio of the diatomite to the sulfuric acid aqueous solution is 1:8-10,
(4) mixing the components in a volume ratio of 40-50: 2-3: 1.5-2 of absolute ethyl alcohol, distilled water and glacial acetic acid to form a first solution;
mixing the components in a volume ratio of 40-55: stirring and mixing 10-15 parts of butyl titanate and absolute ethyl alcohol to form a second solution, then continuously stirring for 20-40min, adding the calcined diatomite obtained in the step (3) while stirring, dripping the first solution, then continuously stirring for 50-60min, dripping triethylamine after stirring, then stirring for 3-8min, then drying for 20-40min at the temperature of 100-120 ℃, then grinding and drying in vacuum for 1-2h, and finally calcining for 3-5h at the temperature of 400-550 ℃ to obtain diatomite powder with the surface loaded with nano-scale titanium dioxide; in the step, 0.3-0.5g of triethylamine and 10g of diatomite are added into 40-55mL of butyl titanate;
(5) and (3) uniformly stirring the coconut shell activated carbon powder loaded with the nano silicon wafer prepared in the step (2), the diatomite powder loaded with the nano titanium dioxide on the surface prepared in the step (4) and the graphene oxide according to the mass ratio of 20-40:10-30:1-5, then carrying out ultrasonic dispersion for 10-15min, and then filtering, drying and crushing to obtain the TVOC resistant powder.
The volume of the absolute ethyl alcohol is less than or equal to 1/3 of the volume of the container in the step.
Further, removing ethanol by using a rotary evaporation method in the step (2); the silane coupling agent is KH 550.
Further, the feed additive is prepared from the following components in parts by mass:
0.1-0.3% of bactericide, 0.6-0.8% of dispersant, 0.6-0.8% of cellulose, 0.5-0.6% of mildew preventive, 0.3-0.5% of wetting agent, 0.5-0.8% of defoamer, 1.9-2.2% of antifreeze, 1.0-1.5% of film-forming assistant, 0.050.1% of pH regulator, 10-18% of titanium dioxide, 10-15% of pigment and filler, 25-35% of emulsion, 1-3% of floral type essential oil, 0.4-0.8% of thickener, 6-9% of TVOC resistant powder as claimed in claim 1 or 2, and the balance of deionized water.
Further, the dispersant is an acrylic polymer sodium salt dispersant.
Furthermore, the cellulose is prepared by mixing HS30000YP2 and 250HBR according to the mass ratio of 1:2-1: 1. (the phenomenon of water diversion exists in the storage process of the coating due to the single use of the cellulose, the problem of water diversion in storage can be solved to a certain extent by compounding the cellulose, and the splashing performance of construction can be improved at the same time)
Further, the mildew preventive is isothiazolinone mildew preventive and bactericidal agent.
Furthermore, the effective component in the wetting agent is alkylphenol polyoxyethylene.
Further, the antifoaming agent is a mixture of FoamStar St2410AC and FOAMEX 825 in a mass ratio of 1: 1. (the defoaming agent can obtain better defoaming effect when used together, and the single use of the defoaming agent can not well eliminate the bubbles in the paint paste.)
Further, the bactericide is spiro chemical T-109;
the antifreezing agent is ethylene glycol;
the film-forming assistant is Solvay film-forming assistant DIB;
the pH regulator is a multifunctional auxiliary agent NT018 of Kelaien;
the titanium dioxide is DuPont rutile type titanium dioxide R-706;
the pigment and filler is a mixture of calcined kaolin, heavy calcium carbonate and wet sericite powder according to the ratio of 2-3:2-4: 1; (calcined kaolin can improve the covering performance of the product to a certain degree and provide excellent color ductility and can improve the washing resistance and the stain resistance of a paint film, heavy calcium carbonate is an extender pigment which can increase the whiteness of the paint, improve the covering performance and the washing resistance, and wet sericite powder can improve the mechanical performance, the water permeability resistance and the aging resistance of the paint film to a certain degree.)
The emulsion is a mixture formed by mixing RS-939W and RS-9198F according to the mass ratio of 2-1: 1. (the cost can be controlled by selecting the compounded emulsion);
the flower fragrance type essential oil is natural rose essential oil;
the thickener is Rohm and Haas thickener RM-8W, RM-12W, RM-2020NPR and ACRYSOLTT-935 according to the mass ratio of 1:1: 2-2.5: 0.5-1 by weight. (the thickeners RM-8W, RM-12W, RM-2020NPR are used in a matching way, the three thickeners can enable the high shear viscosity, the medium shear viscosity and the low shear viscosity of the paint to reach a balanced state, the matching use can effectively prevent the splashing problem in roller coating, and simultaneously ACRYSOLTT-935 can adjust the viscosity of the paint paste to be 105 +/-5 KU, so that the paint has relatively stable viscosity, and the possibility of water separation of the paint in the storage process is reduced.)
A preparation method of indoor degradation TVOC floral paint comprises the following steps:
adding water, a bactericide, a dispersing agent, cellulose, a mildew preventive, a wetting agent, a defoaming agent, an antifreezing agent, a film-forming auxiliary agent and a pH regulator into a disperser, and uniformly stirring at 400-700 rpm; then adding titanium dioxide, pigment filler and TVOC resistant powder; then stirring for 20-30min at the stirring speed of 900-1100rpm until the fineness is less than 50 μm; then adding the emulsion, the flower fragrance type essential oil and the thickening agent, and uniformly mixing to obtain the indoor degradable TVOC flower fragrance type coating.
Compared with the prior art, the invention has the following advantages:
(1) the coconut shell activated carbon is a carbide with multiple pore diameters, has a very rich pore structure, has good adsorption performance, high adsorption speed and large adsorption capacity, impurities adsorbed on the inner wall and the outer wall of the pores are cleaned after the treatment of the step (1), and then the nano silicon wafer is adsorbed on the activated carbon through a silane coupling agent to form a bonding layer of the activated carbon, the silane coupling agent and the nano silicon wafer, the nano silicon wafer has a strong negative charge field and can adsorb harmful substances in the air such as formaldehyde, TVOC and the like, and after the activated carbon and the nano silicon wafer are mutually bonded, the physical adsorption function can be greatly enhanced;
(2) the nanometer titanium dioxide is a photocatalyst material, has strong oxidation reduction capability under the action of visible light or ultraviolet light, has stable chemical property, and can decompose harmful organic matters such as formaldehyde, toluene, xylene and the like, pollutants, odor, bacteria, viruses, microorganisms and the like into CO2And H2O, the performance is durable, and no secondary pollution is generated. The coating is wrapped on the surface of the diatomite, so that the dispersibility of the diatomite in the coating can be greatly improved, the flocculation problem of a nano material is avoided, and the diatomite also has certain adsorption performance and can adsorb harmful substances in the air. Meanwhile, the nanometer titanium dioxide can improve the mildew-proof and moisture-proof performance of the coating, improve the antibacterial capability of the coating and improve the scrubbing resistance and ageing resistance.
(3) Graphene oxide is a two-dimensional material with unique optical, physical, mechanical and electronic properties similar to graphene. The invention greatly improves the photocatalytic reaction efficiency of the nano titanium dioxide by utilizing the unique property of the graphene oxide, and effectively realizes the effect of degrading the TVOC. The graphene oxide has good toughness and hardness, can improve the hardness and adhesive force of a paint film, and on the other hand, the graphene oxide has an adsorption effect on high molecules, so that the orderliness of the coating is improved, the structural defects of the coating are greatly reduced, the compactness of the coating is improved, and the mechanical property of the paint film is improved.
(4) The TVOC resistant powder adsorbs harmful substances close to the coating through the adsorption effect of the porous material, valence band electrons of the nano titanium dioxide are excited in an environment with visible light or ultraviolet light, and meanwhile, due to the excellent conductive capacity of the graphene oxide, the TVOC resistant powder can be used as an electron trap to capture the photo-generated electrons, so that the separation of the photo-generated electrons and holes is promoted, the photocatalytic reaction efficiency of the nano titanium dioxide is improved, and the decomposition speed of the harmful substances is accelerated.
Detailed Description
The invention is further illustrated with reference to specific embodiments below.
Example 1
The TVOC resistant powder comprises the following steps:
(1) soaking coconut shell activated carbon in a dilute nitric acid aqueous solution with the mass concentration of 3% for 3 hours, transferring the coconut shell activated carbon soaked in the dilute nitric acid aqueous solution into an ultrasonic dispersion instrument filled with deionized water, performing ultrasonic dispersion for 20 minutes, taking out, cleaning, drying and grinding to 500 meshes;
(2) at room temperature, adding absolute ethyl alcohol into a container and continuously introducing N2Adding a silane coupling agent under the stirring of 100rpm, stirring for 3 minutes at 150rpm, adding a nano silicon wafer, stirring for 17 minutes at 375rpm, and heating to 60 ℃; transferring to an ultrasonic dispersion instrument for ultrasonic dispersion, adding the coconut shell activated carbon powder ground in the step (1), and performing ultrasonic dispersion for 15 min; removing ethanol, and drying to obtain coconut shell activated carbon powder loaded with nano silicon chips; the mass ratio of the coconut shell activated carbon in the step (1) to the nano silicon chip is 2.5: 1; the mass ratio of the silane coupling agent to the nano silicon chip is 5: 100; the absolute ethyl alcohol is 1/3 of the container volume, the total mass of the coconut shell activated carbon powder of the added nano silicon chip is not more than 50 percent of the mass of the absolute ethyl alcohol,
(3) adding diatomite into a sulfuric acid aqueous solution, mixing, stirring for 2 hours at 70 ℃, filtering, washing, and calcining for 2 hours in a muffle furnace at 600 ℃; wherein the mass concentration of the sulfuric acid solution is 9 percent; the mass ratio of the diatomite to the sulfuric acid solution is 1:8,
(4) mixing the components in a volume ratio of 40: 3: 1.7 mixing absolute ethyl alcohol, distilled water and glacial acetic acid to form a first solution;
mixing the components in a volume ratio of 40:10, stirring and mixing butyl titanate and absolute ethyl alcohol to obtain a second solution, then continuously stirring for 30min, adding the calcined diatomite obtained in the step (3) while stirring, dripping the first solution into the solution, then stirring for 50min, dripping triethylamine into the solution, stirring for 3min, drying at 120 ℃ for 20min, then grinding and drying in vacuum for 1h, and finally calcining at 550 ℃ for 3h to obtain diatomite powder with the surface loaded with nano-scale titanium dioxide; the dropwise adding amount of triethylamine is 0.3g, and 10g of diatomite is added into each 40mL of butyl titanate;
and (3) uniformly stirring the coconut shell activated carbon powder loaded with the nano silicon wafer prepared in the step (2), the diatomite powder loaded with the nano titanium dioxide on the surface and the graphene oxide prepared in the step (4) in a mass ratio of 40:30:1, then ultrasonically dispersing for 15min, and then filtering, drying and crushing to obtain the TVOC resistant powder.
Removing ethanol by a rotary evaporation method in the step (2); the silane coupling agent is KH 550.
Example 2
The TVOC resistant powder comprises the following steps:
(1) soaking coconut shell activated carbon in a dilute nitric acid aqueous solution with the mass concentration of 4% for 3 hours, transferring the coconut shell activated carbon soaked in the dilute nitric acid aqueous solution into an ultrasonic dispersion instrument filled with deionized water, performing ultrasonic dispersion for 18 minutes, taking out, cleaning, drying and grinding to 600 meshes;
(2) adding absolute ethyl alcohol into a container at room temperature and continuously flushing N2Stirring at 150rpm, adding a silane coupling agent, stirring at 200rpm for 4 minutes, adding a nano silicon wafer, stirring at 350rpm for 20 minutes, and heating to 50 ℃; transferring to an ultrasonic dispersion instrument for ultrasonic dispersion, adding the coconut shell activated carbon powder ground in the step (1), and performing ultrasonic dispersion for 10 min; removing ethanol, and drying to obtain coconut shell activated carbon powder loaded with nano silicon chips; the coconut shell activated carbon and sodium in the step (1)The mass ratio of the rice silicon slice is 3: 1; the mass ratio of the silane coupling agent to the nano silicon chip is 8: 100; the absolute ethyl alcohol is 1/3 of the container volume, and the total mass of the coconut shell activated carbon powder of the added nano silicon chip is not more than 50 percent of the mass of the absolute ethyl alcohol
(3) Adding diatomite into a sulfuric acid aqueous solution, mixing, stirring for 1h at 90 ℃, filtering, washing, and calcining for 3h in a muffle furnace at 500 ℃; wherein the mass concentration of the sulfuric acid solution is 8 percent; the mass ratio of the diatomite to the sulfuric acid solution is 1:9,
(4) mixing the components in a volume ratio of 45: 2.5: 1.5 mixing absolute ethyl alcohol, distilled water and glacial acetic acid to form a first solution;
mixing the components in a volume ratio of 48: 13, stirring and mixing the butyl titanate and the absolute ethyl alcohol to obtain a second solution, then continuously stirring for 20min, adding the calcined diatomite obtained in the step (3) while stirring, dripping the first solution into the solution, then stirring for 55min, dripping triethylamine into the solution, stirring for 6min, drying for 30min at 110 ℃, then grinding and drying in vacuum for 1.5h, and finally calcining for 4h at 480 ℃ to obtain diatomite powder with the surface loaded with nano-scale titanium dioxide; the dropwise adding amount of triethylamine is 0.4g, and 10g of diatomite is added into each 48mL of butyl titanate;
and (3) uniformly stirring the coconut shell activated carbon powder loaded with the nano silicon wafer prepared in the step (2), the diatomite powder loaded with the nano titanium dioxide on the surface and the graphene oxide prepared in the step (4) in a mass ratio of 30:20:3, then ultrasonically dispersing for 13min, and then filtering, drying and crushing to obtain the TVOC resistant powder.
Removing ethanol by a rotary evaporation method in the step (2); the silane coupling agent is KH 550.
Example 3
The TVOC resistant powder comprises the following steps:
(1) soaking coconut shell activated carbon in a dilute nitric acid aqueous solution with the mass concentration of 5% for 2 hours, transferring the coconut shell activated carbon soaked in the dilute nitric acid aqueous solution into an ultrasonic dispersion instrument filled with deionized water, performing ultrasonic dispersion for 15 minutes, taking out, cleaning, drying and grinding to 700 meshes;
(2) adding absolute ethyl alcohol into a container at room temperature and continuously flushing N2In 1, isAdding a silane coupling agent under the stirring of 25rpm, stirring for 5 minutes at 175rpm, adding a nano silicon chip, stirring for 10 minutes at 400rpm, and heating to 70 ℃; transferring to an ultrasonic dispersion instrument for ultrasonic dispersion, adding the coconut shell activated carbon powder ground in the step (1), and performing ultrasonic dispersion for 5 min; removing ethanol, and drying to obtain coconut shell activated carbon powder loaded with nano silicon chips; the mass ratio of the coconut shell activated carbon in the step (1) to the nano silicon wafer is 2: 1; the mass ratio of the silane coupling agent to the nano silicon chip is 7: 100; the absolute ethyl alcohol is 1/3 of the container volume, and the total mass of the coconut shell activated carbon powder of the added nano silicon chip is not more than 50 percent of the mass of the absolute ethyl alcohol
(3) Adding diatomite into a sulfuric acid aqueous solution, mixing, stirring at 80 ℃ for 1.5h, filtering, washing, and calcining in a muffle furnace at 550 ℃ for 2.5 h; wherein the mass concentration of the sulfuric acid solution is 10 percent; the mass ratio of the diatomite to the sulfuric acid solution is 1:10,
(4) mixing the components in a volume ratio of 50: 2: 2, mixing absolute ethyl alcohol, distilled water and glacial acetic acid to form a first solution;
mixing the components in a volume ratio of 55: stirring and mixing the butyl titanate 15 and the absolute ethyl alcohol to form a second solution, then continuously stirring for 40min, adding the calcined diatomite obtained in the step (3) while stirring, dripping the first solution into the solution, then stirring for 60min, dripping triethylamine into the solution, stirring for 8min, drying for 40min at 100 ℃, then grinding and drying in vacuum for 2h, and finally calcining for 5h at 400 ℃ to obtain diatomite powder with the surface loaded with the nano-scale titanium dioxide; the dropwise adding amount of triethylamine is 0.5g, and 10g of diatomite is added into each 55mL of butyl titanate;
and (3) uniformly stirring the coconut shell activated carbon powder loaded with the nano silicon wafer prepared in the step (2), the diatomite powder loaded with the nano titanium dioxide on the surface and the graphene oxide prepared in the step (4) in a mass ratio of 20:10:5, then ultrasonically dispersing for 10min, and then filtering, drying and crushing to obtain the TVOC resistant powder.
Removing ethanol by a rotary evaporation method in the step (2); the silane coupling agent is KH 550.
The raw material contents in the following coating are all in parts by weight, in kilograms
| Example 4 | Example 5 | Example 6 | |
| Deionized water | 23.3 | 26.78 | 30.35 |
| Bactericide | 0.1 | 0.2 | 0.3 |
| Dispersing agent | 0.8 | 0.7 | 0.6 |
| Cellulose, process for producing the same, and process for producing the same | 0.8 | 0.7 | 0.6 |
| Mildew preventive | 0.5 | 0.55 | 0.6 |
| Wetting agent | 0.3 | 0.4 | 0.5 |
| Defoaming agent | 0.8 | 0.6 | 0.5 |
| Antifreezing agent | 1.9 | 2.1 | 2.2 |
| Film forming aid | 1 | 1.3 | 1.5 |
| pH regulator | 0.1 | 0.07 | 0.05 |
| Titanium white powder | 10 | 15 | 18 |
| Pigment and filler | 15 | 12 | 10 |
| TVOC resistant powder of example 1 | 9 | 7 | 6 |
| Emulsion and method of making | 35 | 30 | 25 |
| Floral type essential oil | 1 | 2 | 3 |
| Thickening agent | 0.4 | 0.6 | 0.8 |
| Total up to | 100 | 100 | 100 |
The preparation method of the indoor degradation TVOC floral type coating of examples 4-6 comprises the following steps:
adding water, a bactericide, a dispersing agent, cellulose, a mildew preventive, a wetting agent, a defoaming agent, an antifreezing agent, a film-forming auxiliary agent and a pH regulator into a disperser, and uniformly stirring at 400 rpm; then adding titanium dioxide, pigment filler and TVOC resistant powder; then stirring for 30min at the stirring speed of 900rpm until the fineness is less than 50 μm; then adding the emulsion, the flower fragrance type essential oil and the thickening agent, and uniformly mixing to obtain the indoor degradable TVOC flower fragrance type coating.
The raw material contents in the following coating are all in parts by weight, in kilograms
The method for preparing the indoor degradation TVOC floral type coating of examples 7-9 comprises the steps of:
adding water, a bactericide, a dispersing agent, cellulose, a mildew preventive, a wetting agent, a defoaming agent, an antifreezing agent, a film-forming auxiliary agent and a pH regulator into a disperser, and uniformly stirring at 600 rpm; then adding titanium dioxide, pigment filler and TVOC resistant powder; then stirring for 25min at the stirring speed of 1000rpm until the fineness is less than 50 mu m; then adding the emulsion, the flower fragrance type essential oil and the thickening agent, and uniformly mixing to obtain the indoor degradable TVOC flower fragrance type coating.
The raw material contents in the following coating are all in parts by weight, in kilograms
The method for preparing the indoor degradation TVOC floral type coating of examples 10-12 comprises the steps of:
adding water, a bactericide, a dispersing agent, cellulose, a mildew preventive, a wetting agent, a defoaming agent, an antifreezing agent, a film-forming auxiliary agent and a pH regulator into a disperser, and uniformly stirring at 700 rpm; then adding titanium dioxide, pigment filler and TVOC resistant powder; then stirring for 20min at the stirring speed of 1100rpm until the fineness is less than 50 mu m; then adding the emulsion, the flower fragrance type essential oil and the thickening agent, and uniformly mixing to obtain the indoor degradable TVOC flower fragrance type coating.
The results of the nine performance tests are as follows:
wherein the state, the construction property, the low-temperature stability, the appearance, the contrast ratio, the alkali resistance and the washing resistance of the coating film in the container are tested according to GB/T9756-; the TVOC purifying performance and the TVOC purifying effect durability are tested according to GB/T31107-one 2014, and the TVOC purifying performance and the TVOC purifying effect durability are both excellent.
The present invention is not limited to the above-described embodiments, which are further illustrative only, and all modifications and substitutions according to the present invention are within the scope of the present invention.
Claims (10)
1. The preparation method of the TVOC resistant powder is characterized by comprising the following steps of:
(1) soaking coconut shell activated carbon in a dilute nitric acid aqueous solution with the mass concentration of 3-5% for 2-3h, transferring the coconut shell activated carbon soaked in the dilute nitric acid aqueous solution into an ultrasonic dispersion instrument filled with deionized water, performing ultrasonic dispersion for 15-20 min, taking out, cleaning, drying, and grinding to 500-mesh and 700-mesh to obtain coconut shell activated carbon powder;
(2) adding absolute ethyl alcohol into a container at room temperature, and continuously introducing N2Then adding a silane coupling agent under stirring at 100-150rpm, then stirring at 150-200rpm for 3-5 minutes, then adding a nano silicon chip, then stirring at 350-400rpm for 10-20 minutes, and then heating to 50-70 ℃; then transferring to an ultrasonic dispersion instrument for ultrasonic dispersion, adding the coconut shell activated carbon powder ground in the step (1), and performing ultrasonic dispersion for 5-15 min; removing ethanol, and drying to obtain coconut shell activated carbon powder loaded with nano silicon chips;
in the step, the mass ratio of the nano silicon chip to the coconut shell activated carbon powder obtained in the step (1) is 1: 2-3; the mass ratio of the silane coupling agent to the nano silicon wafer is 5-8: 100; the total mass of the mixed nano silicon chip and the coconut shell activated carbon powder obtained in the step (1) is less than or equal to 50% of the mass of the absolute ethyl alcohol;
(3) adding diatomite into a sulfuric acid aqueous solution for mixing, stirring for 1-2h at 70-90 ℃, then filtering and washing, and then calcining for 2-3h at 500-600 ℃; wherein the mass concentration of the sulfuric acid aqueous solution is 8-10%; the mass ratio of the diatomite to the sulfuric acid aqueous solution is 1:8-10,
(4) mixing the components in a volume ratio of 40-50: 2-3: 1.5-2 of absolute ethyl alcohol, distilled water and glacial acetic acid to form a first solution;
mixing the components in a volume ratio of 40-55: stirring and mixing 10-15 parts of butyl titanate and absolute ethyl alcohol to form a second solution, then continuously stirring for 20-40min, adding the calcined diatomite obtained in the step (3) while stirring, dripping the first solution, then continuously stirring for 50-60min, dripping triethylamine after stirring, then stirring for 3-8min, then drying for 20-40min at the temperature of 100-120 ℃, then grinding and drying in vacuum for 1-2h, and finally calcining for 3-5h at the temperature of 400-550 ℃ to obtain diatomite powder with the surface loaded with nano-scale titanium dioxide; in the step, 0.3-0.5g of triethylamine and 10g of diatomite are added into 40-55mL of butyl titanate;
(5) and (3) uniformly stirring the coconut shell activated carbon powder loaded with the nano silicon wafer prepared in the step (2), the diatomite powder loaded with the nano titanium dioxide on the surface prepared in the step (4) and the graphene oxide according to the mass ratio of 20-40:10-30:1-5, then carrying out ultrasonic dispersion for 10-15min, and then filtering, drying and crushing to obtain the TVOC resistant powder.
2. The method for preparing TVOC resistant powder according to claim 1, wherein: removing ethanol by a rotary evaporation method in the step (2); the silane coupling agent is KH 550.
3. An anti-TVOC powder, which is characterized in that: it is prepared by the preparation method according to claim 1 or 2.
4. The utility model provides an indoor degradation TVOC floral type coating which characterized in that: the composition is prepared from the following components in percentage by mass:
0.1-0.3% of bactericide, 0.6-0.8% of dispersant, 0.6-0.8% of cellulose, 0.5-0.6% of mildew preventive, 0.3-0.5% of wetting agent, 0.5-0.8% of defoamer, 1.9-2.2% of antifreeze, 1.0-1.5% of film-forming additive, 0.05-0.1% of pH regulator, 10-18% of titanium dioxide, 10-15% of pigment and filler, 25-35% of emulsion, 1-3% of floral type essential oil, 0.4-0.8% of thickener, 6-9% of TVOC resistant powder as claimed in claim 3, and the balance of deionized water.
5. The indoor degradable TVOC floral paint as claimed in claim 4, wherein: the dispersant is an acrylic polymer sodium salt dispersant.
6. The indoor degradable TVOC floral paint as claimed in claim 4, wherein: the cellulose is prepared by mixing HS30000YP2 and 250HBR according to the mass ratio of 1:2-1: 1.
7. The indoor degradable TVOC floral paint as claimed in claim 4, wherein: the mildew preventive is isothiazolinone mildew preventive and bactericide.
8. The indoor degradable TVOC floral paint as claimed in claim 4, wherein: the effective component of the wetting agent is alkylphenol polyoxyethylene.
9. The indoor degradable TVOC floral paint as claimed in claim 4, wherein: the defoaming agent is a mixture of FoamStar ST2410AC and FOAMEX 825 in a mass ratio of 1: 1;
the bactericide is spiro chemical T-109;
the antifreezing agent is ethylene glycol;
the film-forming assistant is Solvay film-forming assistant DIB;
the pH regulator is a multifunctional auxiliary agent NT018 of Kelaien;
the titanium dioxide is DuPont rutile type titanium dioxide R-706;
the pigment and filler is a mixture of calcined kaolin, heavy calcium carbonate and wet sericite powder according to the ratio of 2-3:2-4: 1;
the emulsion is a mixture formed by mixing RS-939W and RS-9198F according to the mass ratio of 2-1: 1;
the flower fragrance type essential oil is natural rose essential oil;
the thickener is Rohm and Haas thickener RM-8W, RM-12W, RM-2020NPR and ACRYSOLTT-935 according to the mass ratio of 1:1: 2-2.5: 0.5-1 by weight.
10. A preparation method for preparing the indoor degradable TVOC floral paint of claim 4, wherein: the method comprises the following steps:
adding water, a bactericide, a dispersing agent, cellulose, a mildew preventive, a wetting agent, a defoaming agent, an antifreezing agent, a film-forming auxiliary agent and a pH regulator into a disperser, and uniformly stirring at 400-700 rpm; then adding titanium dioxide, pigment filler and TVOC resistant powder; then stirring for 20-30min at the stirring speed of 900-1100rpm until the fineness is less than 50 μm; then adding the emulsion, the flower fragrance type essential oil and the thickening agent, and uniformly mixing to obtain the indoor degradable TVOC flower fragrance type coating.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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