CN108059887A - A kind of nano-magnetic coating - Google Patents
A kind of nano-magnetic coating Download PDFInfo
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- CN108059887A CN108059887A CN201711239053.9A CN201711239053A CN108059887A CN 108059887 A CN108059887 A CN 108059887A CN 201711239053 A CN201711239053 A CN 201711239053A CN 108059887 A CN108059887 A CN 108059887A
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- 239000011248 coating agent Substances 0.000 title claims abstract description 33
- 238000000576 coating method Methods 0.000 title claims abstract description 33
- 229920001661 Chitosan Polymers 0.000 claims abstract description 20
- 239000002202 Polyethylene glycol Substances 0.000 claims abstract description 18
- 229920001223 polyethylene glycol Polymers 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910002900 Bi2MoO6 Inorganic materials 0.000 claims abstract description 12
- 239000002131 composite material Substances 0.000 claims abstract description 10
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 6
- 239000003086 colorant Substances 0.000 claims abstract description 6
- 239000008367 deionised water Substances 0.000 claims abstract description 6
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 6
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 6
- 238000012545 processing Methods 0.000 claims abstract description 6
- 150000003673 urethanes Chemical class 0.000 claims abstract description 6
- 244000043261 Hevea brasiliensis Species 0.000 claims abstract description 5
- 239000000945 filler Substances 0.000 claims abstract description 5
- 229920003052 natural elastomer Polymers 0.000 claims abstract description 5
- 229920001194 natural rubber Polymers 0.000 claims abstract description 5
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 12
- 239000000243 solution Substances 0.000 claims description 11
- 239000006185 dispersion Substances 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 8
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 6
- RXPAJWPEYBDXOG-UHFFFAOYSA-N hydron;methyl 4-methoxypyridine-2-carboxylate;chloride Chemical compound Cl.COC(=O)C1=CC(OC)=CC=N1 RXPAJWPEYBDXOG-UHFFFAOYSA-N 0.000 claims description 6
- 239000006247 magnetic powder Substances 0.000 claims description 6
- MEFBJEMVZONFCJ-UHFFFAOYSA-N molybdate Chemical compound [O-][Mo]([O-])(=O)=O MEFBJEMVZONFCJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000003960 organic solvent Substances 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 239000002122 magnetic nanoparticle Substances 0.000 claims description 5
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 4
- 238000001354 calcination Methods 0.000 claims description 4
- 239000007795 chemical reaction product Substances 0.000 claims description 4
- 235000019441 ethanol Nutrition 0.000 claims description 4
- 235000019253 formic acid Nutrition 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 239000000523 sample Substances 0.000 claims description 4
- 241000276489 Merlangius merlangus Species 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 239000000047 product Substances 0.000 claims description 3
- 239000010456 wollastonite Substances 0.000 claims description 3
- 229910052882 wollastonite Inorganic materials 0.000 claims description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 2
- 239000007864 aqueous solution Substances 0.000 claims description 2
- 150000001621 bismuth Chemical class 0.000 claims description 2
- 239000001913 cellulose Substances 0.000 claims description 2
- 229920002678 cellulose Polymers 0.000 claims description 2
- 238000005119 centrifugation Methods 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 239000012895 dilution Substances 0.000 claims description 2
- 238000010790 dilution Methods 0.000 claims description 2
- 239000002270 dispersing agent Substances 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims description 2
- -1 first time Substances 0.000 claims description 2
- 238000004108 freeze drying Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 239000010445 mica Substances 0.000 claims description 2
- 229910052618 mica group Inorganic materials 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 239000011733 molybdenum Substances 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 239000012266 salt solution Substances 0.000 claims description 2
- 150000004676 glycans Chemical class 0.000 claims 1
- 239000002689 soil Substances 0.000 claims 1
- 239000003344 environmental pollutant Substances 0.000 abstract description 9
- 231100000719 pollutant Toxicity 0.000 abstract description 9
- 239000003054 catalyst Substances 0.000 abstract description 7
- 230000036541 health Effects 0.000 abstract description 6
- 238000010521 absorption reaction Methods 0.000 abstract description 5
- 229920002134 Carboxymethyl cellulose Polymers 0.000 abstract description 4
- 239000001768 carboxy methyl cellulose Substances 0.000 abstract description 4
- 235000010948 carboxy methyl cellulose Nutrition 0.000 abstract description 4
- 239000008112 carboxymethyl-cellulose Substances 0.000 abstract description 4
- 230000015556 catabolic process Effects 0.000 abstract description 3
- 238000006731 degradation reaction Methods 0.000 abstract description 3
- 230000005389 magnetism Effects 0.000 abstract description 3
- 238000001179 sorption measurement Methods 0.000 abstract description 3
- 230000003197 catalytic effect Effects 0.000 abstract description 2
- 238000005253 cladding Methods 0.000 abstract description 2
- 239000000356 contaminant Substances 0.000 abstract description 2
- 239000002105 nanoparticle Substances 0.000 abstract description 2
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000006249 magnetic particle Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000005995 Aluminium silicate Substances 0.000 description 2
- 235000012211 aluminium silicate Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- 229930040373 Paraformaldehyde Natural products 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000001178 neural stem cell Anatomy 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229920002866 paraformaldehyde Polymers 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 239000002345 surface coating layer Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
- C09D129/00—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 an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Coating compositions based on hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Coating compositions based on derivatives of such polymers
- C09D129/02—Homopolymers or copolymers of unsaturated alcohols
- C09D129/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/23—Magnetisable or magnetic paints or lacquers
-
- 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
- C08K2003/2265—Oxides; Hydroxides of metals of iron
- C08K2003/2275—Ferroso-ferric oxide (Fe3O4)
-
- 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
- C08K2201/01—Magnetic 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Paints Or Removers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention relates to magnetic coating fields, disclose a kind of nano-magnetic coating, which is made of the component of following parts by weight：30 60 parts of Bi2MoO6/ Polyethylene glycol chitosan grafting/nano ferriferrous oxide composite material, 25 45 parts of filler, 20 30 parts of polyvinyl alcohol, 9 10 parts of carboxymethyl cellulose, 5 20 parts of urethanes, 35 parts of natural rubber, 25 parts of colorant, 23 parts of deionized water.The magnetic coating relatively high magnetism of the present invention, has healthcare function, which is nano-particle, it can be in close contact with coating interface, it is not easily to fall off, after the processing of surface cladding, the pollutant in air can be adsorbed, area load photochemical catalyst simultaneously, degradation of contaminant while absorption will not cause adsorption saturation, and the catalyst efficiency of light energy utilization that the present invention uses is high, excellent catalytic effect is a kind of nano-magnetic coating of health environment-friendly.
Description
Technical field
The present invention relates to magnetic coating field more particularly to a kind of nano-magnetic coating.
Background technology
At present, contain formaldehyde in existing house decorative material, cause the pernicious gases such as indoor formaldehyde exceeded, seriously endanger people
Health or even life security.People is caused to generate a variety of diseases, such as cancer.In recent years, diatom ooze coating was released in market,
Its shortcoming is that one side raw material is rare, and quality is irregular；On the other hand, its main PARA FORMALDEHYDE PRILLS(91,95) removal is that physical absorption is made
With the shortcomings that easily release there are adsorption saturation.
Magnetomotive function refers to there is biological magnetic function, generating negative ions, emitting far-infrared function, antibacterial functions
General designation, resist and the ability for the treatment of disease, generate more the study found that rational Neural stem cell can improve and improve human body itself
Kind of health care biological effect, have safely and effectively, penetrability is strong, not damaged, no pain, have no toxic side effect it is special with economical and convenient etc.
Point receives the universal welcome of user.
At present, also finding no a kind of product can combine both, and also have while removing indoor pollutant and protect
Health-care function.
The content of the invention
It, can absorption degradation Interior Space in order to solve the above technical problem, the present invention provides a kind of nano-magnetic coating
Pollutant in gas, but with magnetomotive, safety and environmental protection has healthcare function, beneficial to the health of user.
The specific technical solution of the present invention is：The coating is made of the component of following parts by weight：30-60 parts of Bi2MoO6/ poly-
Glycol-chitosan grafting/nano ferriferrous oxide composite material, 25-45 parts of filler, 20-30 parts of polyvinyl alcohol, carboxymethyl
9-10 parts of cellulose, 5-20 parts of urethanes, 3-5 parts of natural rubber, 2-5 parts of colorant, 2-3 parts of deionized water.
Ferriferrous oxide nano magnetic-particle has stronger magnetism, has magnetomotive, can be coated in building, finishing material
Surface, people is made just to enjoy magnetomotive indoors；Polyethylene glycol chitosan grafting has a large amount of holes, is coated on four oxygen
Changing three-iron nano magnetic particle surface can help to adsorb pollutant, improve the contact probability of catalyst and pollutant, pollutant
After being decomposed by catalyst, adsorption site is released, adsorbs remaining pollutant again；Bi2MoO6The energy gap of catalyst is about
For 2.65 eV, the ultraviolet light and visible light in sunlight can be utilized（Account for the 44% of solar energy）, to sunlight
Utilization rate it is relatively high, the pollutant in the air that can effectively degrade.
Preferably, the Bi2MoO6The preparation of/Polyethylene glycol chitosan grafting/nano ferriferrous oxide composite material
Method is：
1）Ferriferrous oxide nano magnetic powder is weighed, is added in pure water, first time, Probe Ultrasonic Searching 20-40min disperseed, and was divided
Dispersion liquid；
2）It weighs dispersant and is dissolved in absolute ethyl alcohol, add in above-mentioned dispersion liquid, secondary Probe Ultrasonic Searching 10-15min obtains being dispersed through agent
Stable ferriferrous oxide nano magnetic powder dispersion liquid；
3）Under the conditions of water bath sonicator, Polyethylene glycol chitosan is added dropwise in ferriferrous oxide nano magnetic powder dispersion liquid
Grafting aqueous solution continues water bath sonicator 5-10min, obtains coating magnetic nano particle；
4）Soluble molybdenum hydrochlorate is added in organic solvent, is stirred, obtains molybdate solution；Bismuth nitrate is added in into organic solvent
In, it is stirred, obtains bismuth nitrate solution；
5）Coating magnetic nano particle is added in bismuth nitrate solution, 5h is mixed, then added in molybdate solution, continue to mix
Stirring 10h is closed, obtains solvent thermal reaction system；
6）Above-mentioned system is subjected to solvent thermal reaction, obtains reaction product；
7）Reaction product is washed into processing, centrifugation, drying and processing with water/ethyl alcohol, Muffle furnace high temperature is subsequently placed in and calcines
Bi2MoO6/ Polyethylene glycol chitosan grafting/nano ferriferrous oxide composite material.
Magnetic nano-particle surface coating layer thinner thickness does not interfere with the magnetic properties of particle, Bi2MoO6Load is secured,
Will not powder of detached easily, prolong the service life.
Preferably, the filler is one or more of powdered whiting, wollastonite, kaolin, mica powder.
Preferably, the step 1）The grain size of middle ferriferrous oxide nano magnetic-particle is 20-50nm.
Preferably, the step 3）The preparation method of middle Polyethylene glycol chitosan grafting is：Weigh chitosan dissolving
In the aqueous formic acid of 98wt%, DMSO dilutions are added in, the polyethylene glycol with chitosan equimolar amounts is then added in, persistently stirs
It mixes 15-30 minutes, addition 37wt% formalins, stirring 1-2h, after addition NaOH adjusting pH value to 13, is washed with absolute ethyl alcohol,
Freeze-drying obtains product.
Preferably, the step 4）The concentration of middle molybdate solution is 15-25mmol/L, and the concentration of bismuth salt solution is
30-50mmol/L, organic solvent are that volume ratio is 1-3：1 ethyl alcohol and ethylene glycol mixture.
Preferably, the step 6）Middle solvent thermal reaction heating rate is 1-2 DEG C/min, and temperature is 150-180 DEG C, when
Between be 10-36h.
Preferably, the step 7）Middle calcining heat is 300-500 DEG C, calcination time 2-5h.
Preferably, the aqueous formic acid and DMSO volume ratios are 1:10.
Preferably, the molecular weight of the chitosan is 10000-18000Da, the molecular weight of polyethylene glycol is 1000-
2000Da。
It is compared with the prior art, the beneficial effects of the invention are as follows：The magnetic coating relatively high magnetism of the present invention has health care work(
Can, which is nano-particle, can be in close contact with coating interface, not easily to fall off, can after the processing of surface cladding
The pollutant in air, while area load photochemical catalyst are adsorbed, degradation of contaminant while absorption will not cause absorption full
With the catalyst efficiency of light energy utilization that uses of the present invention is high, excellent catalytic effect, is a kind of nano-magnetic coating of health environment-friendly.
Specific embodiment
With reference to embodiment, the invention will be further described.
Embodiment 1
The coating is made of the component of following parts by weight：60 parts of Bi2MoO6/ Polyethylene glycol chitosan grafting/nanometer four aoxidizes
Three iron composite materials, 25 parts of powdered whiting, 30 parts of polyvinyl alcohol, 9 parts of carboxymethyl cellulose, 5 parts of urethanes, naturally
3 parts of rubber, 5 parts of colorant, 3 parts of deionized water.
Embodiment 2
The coating is made of the component of following parts by weight：30 parts of Bi2MoO6/ Polyethylene glycol chitosan grafting/nanometer four aoxidizes
Three iron composite materials, 45 parts of wollastonite, 20 parts of polyvinyl alcohol, 10 parts of carboxymethyl cellulose, 20 parts of urethanes, natural rubber
5 parts of glue, 2 parts of colorant, 2 parts of deionized water.
Embodiment 3
The coating is made of the component of following parts by weight：50 parts of Bi2MoO6/ Polyethylene glycol chitosan grafting/nanometer four aoxidizes
Three iron composite materials, 35 parts of kaolin, 25 parts of polyvinyl alcohol, 10 parts of carboxymethyl cellulose, 10 parts of urethanes, natural rubber
4 parts of glue, 3 parts of colorant, 3 parts of deionized water.
Raw materials used in the present invention, equipment is the common raw material, equipment of this field unless otherwise noted；In the present invention
Method therefor is the conventional method of this field unless otherwise noted.
The above is only presently preferred embodiments of the present invention, not the present invention imposed any restrictions, it is every according to the present invention
Any simple modification, change and the equivalent transformation that technical spirit makees above example, still fall within the technology of the present invention side
The protection domain of case.
Claims (10)
1. a kind of nano-magnetic coating, it is characterised in that：The coating is made of the component of following parts by weight：30-60 parts of Bi2MoO6/
Polyethylene glycol chitosan grafting/nano ferriferrous oxide composite material, 25-45 parts of filler, 20-30 parts of polyvinyl alcohol, carboxylic first
9-10 parts of base cellulose, 5-20 parts of urethanes, 3-5 parts of natural rubber, 2-5 parts of colorant, 2-3 parts of deionized water.
2. nano-magnetic coating as described in claim 1, which is characterized in that the Bi2MoO6/ Polyethylene glycol chitosan is grafted
The preparation method of object/nano ferriferrous oxide composite material is：
1）Ferriferrous oxide nano magnetic powder is weighed, is added in pure water, first time, Probe Ultrasonic Searching 20-40min disperseed, and was divided
Dispersion liquid；
2）It weighs dispersant and is dissolved in absolute ethyl alcohol, add in above-mentioned dispersion liquid, secondary Probe Ultrasonic Searching 10-15min obtains being dispersed through agent
Stable ferriferrous oxide nano magnetic powder dispersion liquid；
3）Under the conditions of water bath sonicator, Polyethylene glycol chitosan is added dropwise in ferriferrous oxide nano magnetic powder dispersion liquid
Grafting aqueous solution continues water bath sonicator 5-10min, obtains coating magnetic nano particle；
4）Soluble molybdenum hydrochlorate is added in organic solvent, is stirred, obtains molybdate solution；Bismuth nitrate is added in into organic solvent
In, it is stirred, obtains bismuth nitrate solution；
5）Coating magnetic nano particle is added in bismuth nitrate solution, 5h is mixed, then added in molybdate solution, continue to mix
Stirring 10h is closed, obtains solvent thermal reaction system；
6）Above-mentioned system is subjected to solvent thermal reaction, obtains reaction product；
7）Reaction product is washed into processing, centrifugation, drying and processing with water/ethyl alcohol, Muffle furnace high temperature is subsequently placed in and calcines
Bi2MoO6/ Polyethylene glycol chitosan grafting/nano ferriferrous oxide composite material.
3. nano-magnetic coating as described in claim 1, which is characterized in that the filler is powdered whiting, wollastonite, height
One or more of ridge soil, mica powder.
4. nano-magnetic coating as claimed in claim 2, which is characterized in that the step 1）Middle ferriferrous oxide nano is magnetic
The grain size of particle is 20-50nm.
5. nano-magnetic coating as claimed in claim 2, which is characterized in that the step 3）Middle Polyethylene glycol chitosan grafting
The preparation method of object is：It weighs chitosan to be dissolved in the aqueous formic acid of 98wt%, adds in DMSO dilutions, then addition and shell
The polyethylene glycol of glycan equimolar amounts persistently stirs 15-30 minutes, adds in 37wt% formalins, stirs 1-2h, adds in NaOH
PH value is adjusted to after 13, is washed with absolute ethyl alcohol, freeze-drying obtains product.
6. nano-magnetic coating as claimed in claim 2, which is characterized in that the step 4）The concentration of middle molybdate solution is
15-25mmol/L, the concentration of bismuth salt solution is 30-50mmol/L, and organic solvent is that volume ratio is 1-3：1 ethyl alcohol and ethylene glycol
Mixed liquor.
7. nano-magnetic coating as claimed in claim 2, which is characterized in that the step 6）Middle solvent thermal reaction heating rate
For 1-2 DEG C/min, temperature is 150-180 DEG C, time 10-36h.
8. nano-magnetic coating as claimed in claim 2, which is characterized in that the step 7）Middle calcining heat is 300-500
DEG C, calcination time 2-5h.
9. nano-magnetic coating as claimed in claim 5, which is characterized in that the aqueous formic acid and DMSO volume ratios are 1:
10。
10. nano-magnetic coating as claimed in claim 5, which is characterized in that the molecular weight of the chitosan is 10000-
18000Da, the molecular weight of polyethylene glycol is 1000-2000Da.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711239053.9A CN108059887A (en) | 2017-11-30 | 2017-11-30 | A kind of nano-magnetic coating |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711239053.9A CN108059887A (en) | 2017-11-30 | 2017-11-30 | A kind of nano-magnetic coating |
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| CN108059887A true CN108059887A (en) | 2018-05-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114316690A (en) * | 2021-12-28 | 2022-04-12 | 常州凌迪电子科技有限公司 | High temperature resistant anticorrosive protection film for plastic uptake box |
| CN119346874A (en) * | 2024-12-26 | 2025-01-24 | 成都欧珀琅精密工具有限公司 | Nanocomposite coated cemented carbide tool for machining intermetallic compound/high temperature alloy and preparation method thereof |
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| CN102319217A (en) * | 2011-07-26 | 2012-01-18 | 浙江大学医学院附属妇产科医院 | Polysaccharide coated magnetic nano-particle and preparation method |
| CN104815684A (en) * | 2015-05-08 | 2015-08-05 | 浙江海洋学院 | A Ta3N5/Bi2MoO6 heterojunction fiber photocatalyst and its preparation method |
| CN107189635A (en) * | 2017-06-30 | 2017-09-22 | 成都磁动势科技有限公司 | Coating with magnetomotive function |
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2017
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| CN114316690A (en) * | 2021-12-28 | 2022-04-12 | 常州凌迪电子科技有限公司 | High temperature resistant anticorrosive protection film for plastic uptake box |
| CN119346874A (en) * | 2024-12-26 | 2025-01-24 | 成都欧珀琅精密工具有限公司 | Nanocomposite coated cemented carbide tool for machining intermetallic compound/high temperature alloy and preparation method thereof |
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Application publication date: 20180522 |