CN106917131A - A kind of preparation method of shitosan/molybdenum bisuphide photocatalysis antibacterial coating - Google Patents
A kind of preparation method of shitosan/molybdenum bisuphide photocatalysis antibacterial coating Download PDFInfo
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- CN106917131A CN106917131A CN201710111951.XA CN201710111951A CN106917131A CN 106917131 A CN106917131 A CN 106917131A CN 201710111951 A CN201710111951 A CN 201710111951A CN 106917131 A CN106917131 A CN 106917131A
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- shitosan
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- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D15/00—Electrolytic or electrophoretic production of coatings containing embedded materials, e.g. particles, whiskers, wires
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- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
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Abstract
The invention provides a kind of preparation method of shitosan/molybdenum bisuphide photocatalysis antibacterial coating, methods described makes titanium alloy surface have loose porous bigger serface structure by alkali heat-treatment, then by electro-deposition there is titanium alloy surface and both possesses visible light catalytic antibacterial effect, and the shitosan with preferable biocompatibility/molybdenum bisuphide visible light catalytic antimicrobial coating.Preparation method of the present invention is simple, and reaction medium is recyclable, and shitosan and molybdenum disulfide nano composite coating with bioactivity and photocatalysis antibacterial are prepared with electrophoretic deposition;The present invention prepares gained shitosan and molybdenum disulfide nano photocatalysis antibacterial coating, while shitosan can be made to help molybdenum bisuphide to improve antibiotic property, improves the bioactivity of molybdenum bisuphide.
Description
Technical field
The present invention relates to material science and technical field of nano material, more particularly to a kind of shitosan/molybdenum bisuphide light is urged
Change the preparation method of antimicrobial coating.
Background technology
Class grapheme two-dimension material MoS2, with layer structure as graphite-like, between layers by relatively weak
Van der Waals force is maintained, and in machinery, electronics, the field such as photocatalysis shows many excellent properties, and in biomedicine field exhibition
Reveal application potential, but it still has to be developed in the influence of environment and biology.Laminar nano MoS2Energy gap exist
1.80eV or so, with photocatalytic activity under visible light, simultaneously as the MoS of nanostructured2There is a larger ratio table
Area, can strengthen its catalysis activity
At present, nano molybdenum disulfide preparation method mainly has liquid phase method and the major class of solid phase method two:There is product chi in liquid phase method
Very little whard to control with pattern, bad dispersibility, easily it is polymerized, the features such as crystallinity is poor:There is reaction temperature products high in solid phase method
Or often contain the sulfurous gas of pollution environment in reactant.Therefore.The research of nano molybdenum disulfide should be concentrated on following two
Aspect:(1) low cost, the new preparation process exploitation of cleaning nano molybdenum disulfide;(2) application of different-shape nano molybdenum bisuphide is opened
Hair research.
Shitosan (chitosan), also known as chitosan, is that the chitin (chitin) being widely present by nature is passed through
Cross what deacetylation was obtained, chemical name is Chitosan (1-4) -2- amino-B-D glucose.From, Frenchman in 1859
After Rouget obtains shitosan first, the biological functionality and compatibility of this natural polymer, blood compatibility, security,
The premium properties such as microbic resolvability by all trades and professions extensive concern, in medicine, food, chemical industry, cosmetics, water process, metal
The application of the numerous areas such as extraction and recovery, biochemical and biomedical engineering is gradually exploited.Chitosan surfactant belongs to
In sugar surfactants, good surface-active is shown.Such surfactant is nontoxic, nuisanceless, has good pH steady
Qualitative energy, antioxygenic property, therefore it can be applied in cosmetic formulations and food completely, shitosan surfactant is in addition
Pure natural surfactant, with properties such as good surface-active, emulsibility, moisture absorbability and moisture retentivity, solubilising, antibiotic properties,
Can be used widely in the multiple fields such as washing, medicine, food, cosmetics, textile printing and dyeing, oil, environmental protection.
Characteristic and the mutual effect of molybdenum bisuphide and shitosan are how utilized, improves the antibacterial on medical implant surface
Ability, is a direction for being worth research.
The content of the invention
In order to solve the above problems, the invention provides a kind of preparation of shitosan/molybdenum bisuphide photocatalysis antibacterial coating
Method, methods described makes titanium alloy surface have loose porous bigger serface structure by alkali heat-treatment, then by electricity
Deposition has titanium alloy surface and both possesses visible light catalytic antibacterial effect, and the shitosan with preferable biocompatibility/
Molybdenum bisuphide visible light catalytic antimicrobial coating.
The technical scheme is that:A kind of preparation method of shitosan/molybdenum bisuphide photocatalysis antibacterial coating, its feature
It is to specifically include following steps:
S1. 100-250mg molybdenum bisuphide and 100-200mg shitosans are put into mortar and grind 15-30min, added
The ionic liquid of 0.5ml then grinds 60-120min again in mortar;
S2. grinding product is collected, successively with acetone, DMF (DMF) and mass concentration are 0.5-1%'s
Grinding product described in acetic acid centrifuge washing, the acetone, DMF (DMF) and mass concentration are 0.5-1%'s
Acetic acid respectively washs grinding product three times, removes grinding product intermediate ion solution and unnecessary shitosan (CS);After the completion of washing
The precipitation for obtaining is distributed in deionized water, and unstripped molybdenum bisuphide is removed in 1500-1800rpm centrifugations 20min
(MoS2), shitosan/molybdenum disulfide nano disperse system is obtained, by the shitosan/molybdenum disulfide nano disperse system (CS-MoS2)
100ml is diluted to deionized water and obtains shitosan/molybdenum bisuphide disperse system solution, by the shitosan/molybdenum bisuphide dispersion
It is solution storage in stand-by at 4 DEG C;
S3. titanium alloy round abrasive sheet is polished step by step, is cleaned by ultrasonic in ethanol, deionized water successively, cleaned titanium
Piece etches 2-4min after drying with the mixed acid solution of deionized water/nitric/hydrofluoric, is cleaned with deionized water afterwards;
S4. titanium alloy disk etched obtained in step S2 is put into the reactor for filling NaOH solution, Ran Houzai
Reactor is put into baking oven, 2-3h is reacted at 60-80 DEG C, prepared surface has the titanium alloy disk of porous coarse structure,
The obtained titanium alloy disk of cleaning;
S5. to addition 1-1.5ml acetic acid and 4-5ml second in the shitosan/molybdenum bisuphide disperse system solution of step S2 configurations
Alcohol, ultrasonic 1.5-2h, magnetic agitation 22-24h;
S6. using shitosan/molybdenum bisuphide disperse system solution for being stirred in step S5 as electrodeposit liquid, by step S4 systems
The titanium alloy disk for obtaining makees negative electrode, and platinum plate electrode makees anode, and electrode distance is 10mm, and voltage is 40-60V, and sedimentation time is
150-300s;The titanium alloy disk of overlay film is taken out from the electrodeposit liquid, the titanium alloy disk table is sprayed with clear water
Face, removes the unnecessary material of adsorption, places into drying oven, removes moisture removal, that is, obtain shitosan/bis- of titanium alloy surface
Molybdenum sulfide photocatalysis antibacterial coating.
The step S1 intermediate ions solution is 1- butyl -3- methylimidazole hexafluorophosphates.
The volume parts of each component are in the mixed acid solution of the deionized water/nitric/hydrofluoric in the step S3:5 parts
Ionized water, 2-4 part nitric acid and 1-3 parts of hydrofluoric acid.
The nitric acid is pure for analysis;The hydrofluoric acid is pure for analysis.
It is 150 DEG C that drying oven sets temperature in the step S6, and baking time is 60min.
Technique effect of the invention is:
(1) synthesis shitosan/molybdenum bisuphide lamellar structure takes short and need not be expensive equipment;
(2) due to the photocatalytic activity that molybdenum bisuphide is relevant, then compared to simple chitosan film, prepared by the present invention
Because molybdenum bisuphide makes it have more preferable visible light catalytic antibiotic property with the synergy of shitosan in antimicrobial coating;
(3) preparation method is simple and easy to apply, and the medium of first step reaction is ionic liquid, recyclable, environmental protection, electricity
Swimming deposition shitosan is nontoxic as dispersant and surfactant, there is good pH stabilities, shitosan/bis- for being obtained
Molybdenum sulfide antimicrobial coating has more preferable storage stability, there is good associativity, and biocompatibility well with titanium-based,
For application of the function molybdenum bisuphide coating in nanometer medicine provides possibility.
To sum up, preparation method of the present invention is simple, and reaction medium is recyclable, and being prepared with electrophoretic deposition has bioactivity
With the shitosan and molybdenum disulfide nano composite coating of photocatalysis antibacterial;The present invention prepares gained shitosan and is received with molybdenum bisuphide
Rice photocatalysis antibacterial coating, while shitosan can be made to help molybdenum bisuphide to improve antibiotic property, the biology for improving molybdenum bisuphide is living
Property.
Brief description of the drawings
Fig. 1 is the SEM of the titanium alloy disk with shitosan/molybdenum bisuphide visible light catalytic antimicrobial coating in embodiment 1
Figure.
Fig. 2-1 is that pure titanium disk in embodiment 2 and composite coating cladding titanium alloy disk shine in the discontinuous visible rays of 10min
Under to the antibacterial effect figure of Escherichia coli.
Fig. 2-2 is that pure titanium disk in embodiment 2 and composite coating cladding titanium alloy disk shine in the discontinuous visible rays of 10min
Under to the antibacterial effect figure of staphylococcus aureus.
Fig. 3-1 is the SEM figures of pure titanium alloy surface Escherichia coli in embodiment 3.
Fig. 3-2 be embodiment 3 in have shitosan/molybdenum bisuphide photocatalysis antibacterial coating titanium alloy disk surfaces it is big
The SEM figures of enterobacteria.
Fig. 3-3 is the SEM figures of the staphylococcus aureus of pure titanium alloy surface in embodiment 3.
Fig. 3-4 is the gold of the titanium alloy disk surfaces with shitosan/molybdenum bisuphide photocatalysis antibacterial coating in embodiment 3
The SEM figures of staphylococcus aureus.
Specific embodiment
To be best understood from the present invention, the present invention is done further describe in detail with reference to the accompanying drawings and examples, but
The scope of protection of present invention is not limited to the scope that embodiment is represented.
Embodiment 1:
250mg molybdenum bisuphide grinds 30min, the 1- butyl -3- methyl miaows of 0.5ml in being put into mortar with 200mg shitosans
Azoles hexafluorophosphate (ion assisted milling solution) is added in mortar, and then another straight grinding 120min, collects grinding product,
Use acetone successively, the acetic acid of DMF and 1% carrys out centrifuge washing product with 9000rpm, each washing three times come remove solion and
Unnecessary shitosan.Finally, precipitation is made to disperse in deionized water, to be removed in 1800rpm centrifugations 20min unstripped
MoS2, the shitosan for now obtaining/molybdenum disulfide nano disperse system is diluted to 100ml and obtains shitosan/bis- sulphur with deionized water
Change molybdenum research on nano-disperse systems solution and be stored at 4 DEG C, it is stand-by.
Titanium alloy disk (diameter 6mm, thickness 2.5mm) sand paper is polished step by step, until 800#, successively in ethanol, go from
It is cleaned by ultrasonic in sub- water, cleaned titanium sheet is after the drying 5 with volume ratio:4:1 deionized water/nitric/hydrofluoric nitration mixture
Solution etches 2min, is cleaned with deionized water afterwards, and then etched titanium alloy disk is put into reactor, reactor
In fill the NaOH solution of outfit, reactor is put into baking oven, react 2h at 80 DEG C, be obtained with porous coarse structure
Surface, after the completion of cleaning sample.
Add 1ml acetic acid in shitosan/molybdenum bisuphide disperse system solution to previous configuration, 5ml ethanol, ultrasonic 1.5h,
Magnetic agitation 24h, the shitosan for obtaining/molybdenum bisuphide disperse system solution, will be foregoing obtained with porous used as electrodeposit liquid
The titanium alloy disk of coarse structure makees negative electrode, and platinum plate electrode makees anode, and electrode distance is 10mm, and voltage is 40V, and sedimentation time is
150s.The print of overlay film is taken out from electrodeposit liquid, print surface is sprayed with clear water, remove the fifth wheel of adsorption
Matter, is put into 150 DEG C of drying oven, keeps this temperature 60min, removes moisture removal, obtains titanium alloy surface shitosan/molybdenum bisuphide light and urges
Change antimicrobial coating.
Embodiment 2:
250mg molybdenum bisuphide grinds 15min, the 1- butyl -3- methyl miaows of 0.5ml in being put into mortar with 100mg shitosans
Azoles hexafluorophosphate (ion assisted milling solution) is added in mortar, and then another straight grinding 90min, collects grinding product,
Acetone, the acetic acid of DMF and 0.5% is used to carry out centrifuge washing product with 9000rpm successively, it is each to wash three times to remove solion
With unnecessary shitosan.Finally, precipitation is made to disperse in deionized water, to be removed in 1500rpm centrifugations 20min unstripped
MoS2, the shitosan for now obtaining/molybdenum disulfide nano disperse system is diluted to 100ml and obtains shitosan/bis- with deionized water
Molybdenum sulfide research on nano-disperse systems solution is simultaneously stored at 4 DEG C, stand-by.
Titanium alloy disk (diameter 6mm, thickness 2.5mm) sand paper is polished step by step, until 800#, successively in ethanol, go from
It is cleaned by ultrasonic in sub- water, cleaned titanium sheet is after the drying 5 with volume ratio:2:3 deionized water/nitric/hydrofluoric nitration mixture
Solution etches 4min, is cleaned with deionized water afterwards, and then etched titanium alloy disk is put into reactor, reactor
In fill the NaOH solution of outfit, reactor is put into baking oven, react 2h at 80 DEG C, be obtained with porous coarse structure
Surface, after the completion of cleaning sample.
1.5ml acetic acid, 5ml ethanol, ultrasound are added in shitosan/molybdenum bisuphide disperse system solution to previous configuration
1.5h, magnetic agitation 22h, obtain shitosan/molybdenum bisuphide disperse system solution as electrodeposit liquid, will be foregoing obtained with many
The titanium alloy disk of hole coarse structure makees negative electrode, and platinum plate electrode makees anode, and electrode distance is 10mm, and voltage is 20V, sedimentation time
It is 150s.The print of overlay film is taken out from electrodeposit liquid, print surface is sprayed with clear water, remove the fifth wheel of adsorption
Matter, is put into 150 DEG C of drying oven, keeps this temperature 60min, removes moisture removal, obtains titanium alloy surface shitosan/molybdenum bisuphide light and urges
Change antimicrobial coating.
Embodiment 3:
150mg molybdenum bisuphide grinds 30min, the 1- butyl -3- methyl miaows of 0.5ml in being put into mortar with 200mg shitosans
Azoles hexafluorophosphate (ion assisted milling solution) is added in mortar, and then another straight grinding 120min, collects grinding product,
Use acetone successively, the acetic acid of DMF and 1% carrys out centrifuge washing product with 9000rpm, each washing three times come remove solion and
Unnecessary shitosan.Finally, precipitation is made to disperse in deionized water, to be removed in 1800rpm centrifugations 20min unstripped
MoS2, the shitosan for now obtaining/molybdenum disulfide nano disperse system is diluted to 100ml and obtains shitosan/bis- sulphur with deionized water
Change molybdenum research on nano-disperse systems solution and be stored at 4 DEG C, it is stand-by.
Titanium alloy disk (diameter 6mm, thickness 2.5mm) sand paper is polished step by step, until 800#, successively in ethanol, go from
It is cleaned by ultrasonic in sub- water, cleaned titanium sheet is after the drying 5 with volume ratio:3:2 deionized water/nitric/hydrofluoric nitration mixture
Solution etches 6min, is cleaned with deionized water afterwards, and then etched titanium alloy disk is put into reactor, reactor
In fill the NaOH solution of outfit, reactor is put into baking oven, react 2h at 80 DEG C, be obtained with porous coarse structure
Surface, after the completion of cleaning sample.
Add 1ml acetic acid in shitosan/molybdenum bisuphide disperse system solution to previous configuration, 5ml ethanol, ultrasonic 1.5h,
Magnetic agitation 24h, the shitosan for obtaining/molybdenum bisuphide disperse system solution, will be foregoing obtained with porous used as electrodeposit liquid
The titanium alloy disk of coarse structure makees negative electrode, and platinum plate electrode makees anode, and electrode distance is 10mm, and voltage is 60V, and sedimentation time is
150s.The print of overlay film is taken out from electrodeposit liquid, print surface is sprayed with clear water, remove the fifth wheel of adsorption
Matter, is put into 150 DEG C of drying oven, keeps this temperature 60min, removes moisture removal, obtains titanium alloy surface shitosan/molybdenum bisuphide light and urges
Change antimicrobial coating.
Embodiment 4:
150mg molybdenum bisuphide grinds 15min, the 1- butyl -3- methyl miaows of 0.5ml in being put into mortar with 100mg shitosans
Azoles hexafluorophosphate (ion assisted milling solution) is added in mortar, and then another straight grinding 60min, collects grinding product,
Acetone, the acetic acid of DMF and 0.5% is used to carry out centrifuge washing product with 8000rpm successively, it is each to wash three times to remove solion
With unnecessary shitosan.Finally, precipitation is made to disperse in deionized water, to be removed in 1500rpm centrifugations 20min unstripped
MoS2, the shitosan for now obtaining/molybdenum disulfide nano disperse system is diluted to 100ml and obtains shitosan/bis- with deionized water
Molybdenum sulfide research on nano-disperse systems solution is simultaneously stored at 4 DEG C, stand-by.
Titanium alloy disk (diameter 6mm, thickness 2.5mm) sand paper is polished step by step, until 800#, successively in ethanol, go from
It is cleaned by ultrasonic in sub- water, cleaned titanium sheet is after the drying 5 with volume ratio:4:1 deionized water/nitric/hydrofluoric nitration mixture
Solution etches 2min, is cleaned with deionized water afterwards, and then etched titanium alloy disk is put into reactor, reactor
In fill the NaOH solution of outfit, reactor is put into baking oven, react 3h at 60 DEG C, be obtained with porous coarse structure
Surface, after the completion of cleaning sample.
1ml acetic acid, 4ml ethanol, ultrasonic 2h, magnetic are added in shitosan/molybdenum bisuphide disperse system solution to previous configuration
Power stirs 24h, and the shitosan for obtaining/molybdenum bisuphide disperse system solution is foregoing obtained with porous coarse as electrodeposit liquid
The titanium alloy disk of structure makees negative electrode, and platinum plate electrode makees anode, and electrode distance is 10mm, and voltage is 40V, and sedimentation time is
150s.The print of overlay film is taken out from electrodeposit liquid, print surface is sprayed with clear water, remove the fifth wheel of adsorption
Matter, is put into 150 DEG C of drying oven, keeps this temperature 60min, removes moisture removal, obtains titanium alloy surface shitosan/molybdenum bisuphide light and urges
Change antimicrobial coating.
By the obtained titanium alloy disk for having shitosan/molybdenum bisuphide photocatalysis antibacterial coating in embodiment 1-4,96 are put into
Orifice plate, adds certain density Escherichia coli bacteria liquid, it is seen that laser photo-irradiation treatment 5min, 10min on its surface, adds phosphoric acid
Buffer solution, it is ultrasonically treated, taken from the phosphate buffer containing bacterium solution and be inoculated into solid agar medium in right amount, observation bacterium colony life
Situation long, while the bacteria adhension of the titanium alloy disk after bacterium will be cultivated, observes bacterium under a scanning electron microscope afterwards
Pattern.
Tested through analysis, a kind of preparation side of shitosan of the present invention/molybdenum bisuphide visible light catalytic antimicrobial coating
Can be drawn the following conclusions after product is detected obtained in method:1) contact angle test is carried out to titanium alloy disk, often by one
The titanium alloy surface contact angle for walking treatment has significant change;2) the titanium alloy disk surfaces not being modified by surface is golden yellow
Color staphylococcus and Bacillus coli cells film are complete, show bacterial growth and are not suppressed, and have in shitosan/molybdenum bisuphide
The staphylococcus aureus on nanometer visible light catalytic antimicrobial coating surface and Bacillus coli cells film occur in that damaged or shrinkage, table
Reveal good antibacterial ability, the antibacterial effect to staphylococcus aureus has been better than to the antibacterial effect of Escherichia coli, plus
Entering the photocatalysis antibacterial effect of molybdenum bisuphide will be substantially better than the titanium surface 3 of only chitosan coat) aided in using ionic liquid
Stripping method with the chitosan-modified molybdenum bisuphide lamella good dispersion into functionalization, shows fabulous colloidal stability, shell again
Glycan/molybdenum disulfide electrodepositing is uniformly distributed after titanium alloy surface, and preparation method is simple and easy to apply, using the technology of the present invention system
A kind of standby shitosan/molybdenum disulfide nano visible light catalytic antimicrobial coating, equipment investment is few, and consumption resource is few, and enforcement difficulty is small.
Certainly, the above is only concrete application example of the invention, protection scope of the present invention is not limited in any way.Remove
Outside above-described embodiment, the present invention can also have other embodiment.The technical side that all use equivalents or equivalent transformation are formed
Case, all falls within scope of the present invention.
Claims (5)
1. the preparation method of a kind of shitosan/molybdenum bisuphide photocatalysis antibacterial coating, it is characterised in that specifically include following step
Suddenly:
S1. 100-250mg molybdenum bisuphide and 100-200mg shitosans are put into mortar and grind 15-30min, add 0.5ml
Ionic liquid in mortar, 60-120min is then ground again;
S2. grinding product is collected, successively with acetone, DMF (DMF) and mass concentration are the acetic acid of 0.5-1%
Grinding product described in centrifuge washing, the acetone, DMF (DMF) and mass concentration are the acetic acid of 0.5-1%
Each washing grinding product three times, removes grinding product intermediate ion solution and unnecessary shitosan (CS);To be obtained after the completion of washing
Precipitation be distributed in deionized water, unstripped molybdenum bisuphide is removed in 1500-1800rpm centrifugations 20min
(MoS2), shitosan/molybdenum disulfide nano disperse system is obtained, by the shitosan/molybdenum disulfide nano disperse system (CS-MoS2)
100ml is diluted to deionized water and obtains shitosan/molybdenum bisuphide disperse system solution, by the shitosan/molybdenum bisuphide dispersion
It is solution storage in stand-by at 4 DEG C;
S3. titanium alloy round abrasive sheet is polished step by step, is cleaned by ultrasonic in ethanol, deionized water successively, cleaned titanium sheet is done
2-4min is etched with the mixed acid solution of deionized water/nitric/hydrofluoric after dry, is cleaned with deionized water afterwards;
S4. titanium alloy disk etched obtained in step S2 is put into the reactor for filling NaOH solution, then again will be anti-
Answer kettle to be put into baking oven, 2-3h is reacted at 60-80 DEG C, prepared surface has the titanium alloy disk of porous coarse structure, clean
Obtained titanium alloy disk;
S5. to 1-1.5ml acetic acid and 4-5ml ethanol is added in the shitosan/molybdenum bisuphide disperse system solution of step S2 configurations, surpass
Sound 1.5-2h, magnetic agitation 22-24h;
S6. using shitosan/molybdenum bisuphide disperse system solution for being stirred in step S5 as electrodeposit liquid, by obtained in step S4
Titanium alloy disk makees negative electrode, and platinum plate electrode makees anode, and electrode distance is 10mm, and voltage is 40-60V, and sedimentation time is 150-
300s;The titanium alloy disk of overlay film is taken out from the electrodeposit liquid, the titanium alloy disk surfaces are sprayed with clear water, gone
Except the unnecessary material of adsorption, place into drying oven, remove moisture removal, that is, obtain the shitosan/curing of titanium alloy surface
Molybdenum photocatalysis antibacterial coating.
2. a kind of preparation method of shitosan according to claim 1/molybdenum bisuphide photocatalysis antibacterial coating, its feature exists
In the step S1 intermediate ions solution is 1- butyl -3- methylimidazole hexafluorophosphates.
3. a kind of preparation method of shitosan according to claim 1/molybdenum bisuphide photocatalysis antibacterial coating, its feature exists
In the volume parts of each component are in the mixed acid solution of the deionized water/nitric/hydrofluoric in the step S3:5 parts of ions
Water, 2-4 part nitric acid and 1-3 parts of hydrofluoric acid.
4. a kind of shitosan according to any claim in claim 1-3/molybdenum bisuphide photocatalysis antibacterial coating
Preparation method, it is characterised in that the nitric acid is pure for analysis;The hydrofluoric acid is pure for analysis.
5. a kind of preparation method of shitosan according to claim 1/molybdenum bisuphide photocatalysis antibacterial coating, its feature exists
In it is 150 DEG C that drying oven sets temperature in the step S6, and baking time is 60min.
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CN108355165A (en) * | 2018-03-05 | 2018-08-03 | 湖北大学 | A kind of HA/MoS in titanium alloy surface with photocatalytic activity2The preparation method of biological composite coating |
CN108392675A (en) * | 2018-03-05 | 2018-08-14 | 湖北大学 | A kind of preparation method based on molybdenum disulfide Yu photosensitizer near infrared light response nano antimicrobial coating |
CN108816292A (en) * | 2018-06-05 | 2018-11-16 | 安徽大学 | A kind of preparation method and applications of poly-dopamine/nano molybdenum disulfide photochemical catalyst |
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CN112526120A (en) * | 2020-11-19 | 2021-03-19 | 山东省农业科学院农业质量标准与检测技术研究所 | Method for detecting salbutamol based on SPR technology |
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