CN109078616A - A kind of tannic acid modified graphene/gelatin porous composite material and preparation method, application - Google Patents
A kind of tannic acid modified graphene/gelatin porous composite material and preparation method, application Download PDFInfo
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- CN109078616A CN109078616A CN201811075031.8A CN201811075031A CN109078616A CN 109078616 A CN109078616 A CN 109078616A CN 201811075031 A CN201811075031 A CN 201811075031A CN 109078616 A CN109078616 A CN 109078616A
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- 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
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- 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
- B01J20/24—Naturally occurring macromolecular compounds, e.g. humic acids or their derivatives
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- 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
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
- B01J20/28016—Particle form
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- 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
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
- B01J20/28047—Gels
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/286—Treatment of water, waste water, or sewage by sorption using natural organic sorbents or derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/308—Dyes; Colorants; Fluorescent agents
Abstract
The invention belongs to Dye Adsorption field of material technology, it is related to a kind of tannic acid modified graphene/gelatin porous composite material and preparation method, application.Tannic acid modified graphene of the invention/gelatin porous composite material is prepared by method comprising the following steps: 1) mixing tannic acid, graphene oxide, deionized water, react at 80~90 DEG C, be then separated by solid-liquid separation, obtain tannic acid modified graphene；2) tannic acid modified graphene, gelatin, deionized water are mixed, obtains tannic acid modified graphene/gelatin mixed liquor；3) tannic acid modified graphene/gelatin mixed liquor is instilled in ice water, obtains tannic acid modified graphene/gelatine microsphere；4) tannic acid modified graphene/gelatine microsphere and crosslinking agent are subjected to cross-linking reaction, are then freeze-dried, obtain tannic acid modified graphene/gelatin porous composite material.Tannic acid modified graphene of the invention/gelatin porous composite material has preferable adsorption effect to organic dyestuff.
Description
Technical field
The invention belongs to Dye Adsorption field of material technology, and in particular to a kind of tannic acid modified graphene/gelatin porous
Composite material also relates to the tannic acid modified graphene/gelatin porous composite material preparation method and its as dyestuff
The application of adsorbent material.
Background technique
In recent years, the dye chemical industry industry in China is grown rapidly, it has also become global DYE PRODUCTION, consumption and trade
One of big country.As a kind of industrial chemicals, dyestuff is widely used in industries such as weaving, printing, leathers, also becomes therewith
One of main source of water environment pollution, and discharge amount also increases year by year.Due to dyestuff is big to human body toxic action, to water body
Pollution is obvious, and is difficult to degrade in the natural environment, therefore dye discoloration becomes a disaster of urgent need to resolve in water process
Topic.Researchers develop the treatment process of many physics, chemistry and biology to remove the remnants of the dyestuff in waste water, wherein inhaling
Attached is one of simple and effective method.
The higher specific surface area of grapheme material makes it have good absorption property, can be used for the processing of sewage；It is bright
Glue as a kind of natural water-soluble biodegradated polymer materal, have the characteristics that inexpensively, abundance and reproducible.Stone
Black alkene and the composite material of gelatin-compounded formation have both the advantage of the two, are widely paid close attention to.Application publication number is
It is composite porous that a kind of use in waste water treatment graphene oxide is disclosed in the Chinese patent application of CN104275164A.The oxidation
The composite porous component including following parts by weight of graphene: 3~5 parts of graphene oxides, 2~3 parts of phyllosilicates, 3
~5 parts of gelatin.The composite porous combination for realizing inorganic material and organic material of the graphene oxide has good machine
Tool intensity, for the heavy metal adsorption capacity with higher in industrial wastewater.But the graphene oxide is composite porous
For the limited sorption capacity of organic dyestuff.
Summary of the invention
The purpose of the present invention is to provide a kind of tannic acid modified graphene/gelatin porous composite materials, for there is engine dyeing
Material has preferable adsorption effect.
Second object of the present invention is to provide a kind of preparation of tannic acid modified graphene/gelatin porous composite material
Method, this method can prepare the preferably tannic acid modified graphene of pattern/gelatin porous composite material.
Third object of the present invention is to provide a kind of tannic acid modified graphene/gelatin porous composite material conduct dye
Expect the application of adsorbent material, tannic acid modified graphene/gelatin porous composite material has preferable inhale to a variety of organic dyestuff
Attached effect.
To achieve the above object, the technical scheme is that
A kind of tannic acid modified graphene/gelatin porous composite material, is prepared by method comprising the following steps:
1) tannic acid, graphene oxide, deionized water are mixed, reacts at 80~90 DEG C, be then separated by solid-liquid separation, obtains list
Peaceful acid modified graphene；
2) tannic acid modified graphene, gelatin, deionized water are mixed, obtains tannic acid modified graphene/gelatin mixed liquor；
3) tannic acid modified graphene/gelatin mixed liquor is instilled in ice water, it is micro- obtains tannic acid modified graphene/gelatin
Ball；
4) tannic acid modified graphene/gelatine microsphere and crosslinking agent are subjected to cross-linking reaction, obtain tannic acid modified graphene/
Gelatin cross-linked gel microballoon, is then freeze-dried, and obtains tannic acid modified graphene/gelatin porous composite material.
Tannic acid is mixed into step 1) to mix with graphene oxide water solution.
To make graphene oxide fully reacting, tannin excessive acid.Above-mentioned steps 1) in tannic acid and graphene oxide matter
Amount is than being 1~10:1.
To react tannic acid sufficiently with graphene oxide, above-mentioned steps 1) in tannic acid with graphene oxide when reacting
Between be 4~10h.
It due to tannin excessive acid, is separated by solid-liquid separation after the reaction, removes extra tannic acid.Separation of solid and liquid was that film is taken out
Filter.
Above-mentioned steps 2) described in be mixed into tannic acid modified graphene and mixed with aqueous gelatin solution, institute's gelatin water solution
The mass content of middle gelatin is 13~30%.Using gelatin as the matrix of composite material be because gelatin have it is naturally biodegradable
Ability, not can cause environmental pollution.In addition, gelatin solution has the ability for becoming gel at a lower temperature, can will change
Property graphene sheet layer be coated in solid gel ball, easily modified graphene composite material and absorption dyestuff after composite material
It is separated from water body.
Aqueous gelatin solution is made by following methods: being dispersed gelatin in distilled water, is heated to 50~60 DEG C of dissolutions, obtains bright
Glue solution.
Above-mentioned steps 2) in tannic acid modified graphene quality be gelatin quality 1~8%, it can be achieved that gelatin to tannic acid
The cladding of modified graphene.
Above-mentioned steps 3) in tannic acid modified graphene/gelatin solution syringe or metering pump be added dropwise dropwise, can be preferable
Grasp rate of addition.
Above-mentioned steps 3) in tannic acid modified graphene/gelatin solution rate of addition be 5~20 drops/min.Slower drop
Acceleration can form gel micro-ball of uniform size.
For the intensity for enhancing gel micro-ball, gelatin is crosslinked using crosslinking agent.Above-mentioned steps 4) described in crosslinking it is anti-
It should be tannic acid modified graphene/gelatine microsphere to react with cross-linking agent solution, the quality of crosslinking agent contains in the cross-linking agent solution
Amount is 0.5~5%.
Above-mentioned steps 4) described in crosslinking agent be one of glutaraldehyde, glyoxal.Preferably glutaraldehyde, crosslinked action
It is relatively strong.
Cross-linking reaction described in step 4) carries out at room temperature, the reaction time be 4~12h so that cross-linking reaction sufficiently into
Row.
Tannic acid modified graphene of the invention/gelatin porous composite material changes graphene oxide with tannic acid
Property, partial oxidation of graphite alkene can be reduced to reduced graphene, enhance its adsorption capacity to organic dyestuff.Tannic acid is simultaneously
Hydroaropic substance can enhance the binding force of reduced graphene part and gelatin.The lamellar structure of modified graphene is being freeze-dried
When, so that composite material is formed three-dimensional porous structure, to realize the quick adsorption to organic dyestuff.
Tannic acid modified graphene of the invention/gelatin porous composite material had both had the excellent absorption of modified graphene
Performance, but also with the biodegradable characteristic of gelatin.Therefore secondary dirt will not be caused to water quality when handling waste water
Dye has certain practical application value.
A kind of preparation method of above-mentioned tannic acid modified graphene/gelatin porous composite material, comprising the following steps:
1) tannic acid, graphene oxide, deionized water are mixed, reacts at 80~90 DEG C, be then separated by solid-liquid separation, obtains list
Peaceful acid modified graphene；
2) tannic acid modified graphene, gelatin, deionized water are mixed, obtains tannic acid modified graphene/gelatin mixed liquor；
3) tannic acid modified graphene/gelatin mixed liquor is instilled in ice water, it is micro- obtains tannic acid modified graphene/gelatin
Ball；
4) tannic acid modified graphene/gelatine microsphere and crosslinking agent are subjected to cross-linking reaction, obtain tannic acid modified graphene/
Gelatin cross-linked gel microballoon, is then freeze-dried, and obtains tannic acid modified graphene/gelatin porous composite material.
Tannic acid modified graphene of the invention/gelatin porous composite material preparation process is simple, raw material is easy to get.
A kind of above-mentioned tannic acid modified graphene/application of the gelatin porous composite material as Dye Adsorption material.
The dyestuff is organic dyestuff.The organic dyestuff includes methylene blue, crystal violet, Congo red, peacock green.
Tannic acid modified graphene of the invention/gelatin porous composite material is to organic dyestuff such as methylene blue, crystal violets
With good adsorption effect, removal rate reaches 90% or more.Tannic acid modified graphene of the invention/gelatin porous composite wood
Material is used as Dye Adsorption material, has wide practical prospect.
Detailed description of the invention
Fig. 1 be tannic acid modified graphene/gelatin porous composite material embodiment 1 composite material and comparative example it is bright
Glue porous material；
Fig. 2 is the SEM figure of the composite material of tannic acid modified graphene/gelatin porous composite material embodiment 1；
In Fig. 1, the corresponding sample of each label are as follows: the gelatin porous material of 1-；The tannic acid modified graphene of 2-/gelatin porous multiple
Condensation material.
Specific embodiment
The present invention is further explained in the light of specific embodiments.
Involved tannic acid, graphene oxide, gelatin, glutaraldehyde, methylene blue etc. are commercially available production in following embodiment
Product.
Tannic acid modified graphene/gelatin porous composite material and preparation method thereof embodiment 1
The tannic acid modified graphene of the present embodiment/gelatin porous composite material preparation method, comprising the following steps:
1) 500mg tannic acid is mixed with 500mL graphene oxide water solution (GO containing 50mg), it is anti-under the conditions of 80 DEG C
4h is answered, film is then crossed and filters, remove unreacted tannic acid, obtain tannic acid modified graphene；
2) 5g gelatin is placed in 20mL distilled water, being heated to 50 DEG C dissolves gelatin all, obtains gelatin solution；
3) tannic acid modified graphene uniform is distributed in deionized water, then instills gelatin solution with dropping funel
In, it is uniformly mixed, obtains tannic acid modified graphene/gelatin mixed solution；
4) tannic acid modified graphene/gelatin mixed solution is instilled in ice water using syringe with 5 drops/min speed,
Obtain tannic acid modified graphene/gelatine microsphere；
5) tannic acid modified graphene/gelatine microsphere is immersed in 100mL glutaraldehyde solution (glutaraldehyde mass fraction is
1%) in, cross-linking reaction 12h being carried out at room temperature, obtains tannic acid modified graphene/gelatin cross-linked gel microballoon, then freezing is dry
It is dry, obtain tannic acid modified graphene/gelatin porous composite material.
Tannic acid modified graphene/gelatin porous composite material and preparation method thereof embodiment 2
The tannic acid modified graphene of the present embodiment/gelatin porous composite material preparation method, comprising the following steps:
1) 100mg tannic acid is mixed with 300mL graphene oxide water solution (containing 100mgGO), it is anti-under the conditions of 90 DEG C
6h is answered, film is then crossed and filters, remove unreacted tannic acid, obtain tannic acid modified graphene；
2) 6g gelatin is placed in 20mL distilled water, being heated to 50 DEG C dissolves gelatin all, obtains gelatin solution；
3) tannic acid modified graphene uniform is distributed in deionized water, then instills gelatin solution with dropping funel
In, it is uniformly mixed, obtains tannic acid modified graphene/gelatin mixed solution；
4) tannic acid modified graphene/gelatin mixed solution is instilled into ice water using syringe with 10 drops/min speed
In, obtain tannic acid modified graphene/gelatine microsphere；
5) tannic acid modified graphene/gelatine microsphere is immersed in 100mL glutaraldehyde solution (glutaraldehyde mass fraction is
2.5%) in, cross-linking reaction 4h is carried out at room temperature, tannic acid modified graphene/gelatin cross-linked gel microballoon is obtained, then freezes
It is dry, obtain tannic acid modified graphene/gelatin porous composite material.
Tannic acid modified graphene/gelatin porous composite material and preparation method thereof embodiment 3
The tannic acid modified graphene of the present embodiment/gelatin porous composite material preparation method, comprising the following steps:
1) 200mg tannic acid is mixed with 300mL graphene oxide water solution (containing 100mgGO), it is anti-under the conditions of 85 DEG C
8h is answered, film is then crossed and filters, remove unreacted tannic acid, obtain tannic acid modified graphene；
2) 4g gelatin is placed in 20mL distilled water, being heated to 60 DEG C dissolves gelatin all, obtains gelatin solution；
3) tannic acid modified graphene uniform is distributed in deionized water, is then added to gelatin solution with dropping funel
In, it is uniformly mixed, obtains tannic acid modified graphene/gelatin mixed solution；
4) tannic acid modified graphene/gelatin mixed solution is instilled into ice water using metering pump with 15 drops/min speed
In, obtain tannic acid modified graphene/gelatine microsphere；
5) tannic acid modified graphene/gelatine microsphere is immersed in 80mL glutaraldehyde solution (glutaraldehyde mass fraction is
0.5%) in, cross-linking reaction 8h is carried out at room temperature, tannic acid modified graphene/gelatin cross-linked gel microballoon is obtained, then freezes
It is dry, obtain tannic acid modified graphene/gelatin porous composite material.
Tannic acid modified graphene/gelatin porous composite material and preparation method thereof embodiment 4
The tannic acid modified graphene of the present embodiment/gelatin porous composite material preparation method, comprising the following steps:
1) 600mg tannic acid is mixed with 100mL graphene oxide water solution (containing 200mgGO), it is anti-under the conditions of 85 DEG C
10h is answered, film is then crossed and filters, remove unreacted tannic acid, obtain tannic acid modified graphene；
2) 3g gelatin is placed in 20mL distilled water, being heated to 50 DEG C dissolves gelatin all, obtains gelatin solution；
3) tannic acid modified graphene uniform is distributed in deionized water, then instills gelatin solution with dropping funel
In, it is uniformly mixed, obtains tannic acid modified graphene/gelatin mixed solution；
4) tannic acid modified graphene/gelatin mixed solution is instilled into ice water using metering pump with 20 drops/min speed
In, obtain tannic acid modified graphene/gelatine microsphere；
5) tannic acid modified graphene/gelatine microsphere is immersed in 100mL glutaraldehyde (glutaraldehyde mass fraction is 1.5%)
In solution, cross-linking reaction 8h being carried out at room temperature, obtains tannic acid modified graphene/gelatin cross-linked gel microballoon, then freezing is dry
It is dry, obtain tannic acid modified graphene/gelatin porous composite material.
Tannic acid modified graphene/gelatin porous composite material and preparation method thereof embodiment 5
The tannic acid modified graphene of the present embodiment/gelatin porous composite material preparation method, comprising the following steps:
1) 600mg tannic acid is mixed with 300mL graphene oxide water solution (containing 600mg), is reacted under the conditions of 85 DEG C
Then 6h crosses film and filters, removes unreacted tannic acid, obtain tannic acid modified graphene；
2) 8g gelatin is placed in 20mL distilled water, being heated to 50 DEG C dissolves gelatin all, obtains gelatin solution；
3) tannic acid modified graphene uniform is distributed in deionized water, then instills gelatin solution with dropping funel
In, it is uniformly mixed, obtains tannic acid modified graphene/gelatin mixed solution；
4) tannic acid modified graphene/gelatin mixed solution is instilled into ice water using metering pump with 20 drops/min speed
In, obtain tannic acid modified graphene/gelatine microsphere；
5) tannic acid modified graphene/gelatine microsphere is immersed in 60mL glutaraldehyde solution (glutaraldehyde mass fraction is
5%) in, cross-linking reaction 8h being carried out at room temperature, obtains tannic acid modified graphene/gelatin cross-linked gel microballoon, then freezing is dry
It is dry, obtain tannic acid modified graphene/gelatin porous composite material.
Tannic acid modified graphene/gelatin porous composite material embodiment 1
Tannic acid modified graphene of the invention/gelatin porous composite material is by tannic acid modified graphene/gelatin porous
The method of the embodiment 1 of composite material and preparation method thereof is made.
Tannic acid modified graphene/gelatin porous composite material embodiment 2
Tannic acid modified graphene of the invention/gelatin porous composite material is by tannic acid modified graphene/gelatin porous
The method of the embodiment 2 of composite material and preparation method thereof is made.
Tannic acid modified graphene/gelatin porous composite material embodiment 3
Tannic acid modified graphene of the invention/gelatin porous composite material is by tannic acid modified graphene/gelatin porous
The method of the embodiment 3 of composite material and preparation method thereof is made.
Tannic acid modified graphene/gelatin porous composite material embodiment 4
Tannic acid modified graphene of the invention/gelatin porous composite material is by tannic acid modified graphene/gelatin porous
The method of the embodiment 4 of composite material and preparation method thereof is made.
Tannic acid modified graphene/gelatin porous composite material embodiment 5
Tannic acid modified graphene of the invention/gelatin porous composite material is by tannic acid modified graphene/gelatin porous
The method of the embodiment 5 of composite material and preparation method thereof is made.
Comparative example
The gelatin porous material of this comparative example is made by the preparation method included the following steps:
1) 4g gelatin is placed in 20mL distilled water, being heated to 50 DEG C dissolves gelatin all, obtains gelatin solution；
2) gelatin solution is instilled in ice water using injector for medical purpose with 15 drops/min speed, obtains gelatine microsphere；
3) gelatine microsphere is immersed in 60mL glutaraldehyde solution (glutaraldehyde mass fraction be 2.5%), at room temperature into
Row cross-linking reaction 8h, obtains gelatin gel microballoon, is then freeze-dried, and obtains gelatin porous material.
Test example
By the bright of the composite material of tannic acid modified graphene/gelatin porous composite material Examples 1 to 5 and comparative example
Glue porous material carries out absorption property test.
Specific test method are as follows: accurately weigh 0.02g sample and be added to the 10mL methylene blue solution that concentration is 50mg/mL
In, it is then placed in oscillation in water-bath constant temperature oscillator (30 DEG C, 100r/min).With ultraviolet specrophotometer 664nm wavelength
Under measure the absorbance of methylene blue solution, when the absorbance of solution no longer changes, indicate adsorbent material to organic dyestuff
Absorption reaches adsorption equilibrium.After reaching adsorption equilibrium, the concentration of remaining methylene blue is calculated, to obtain the methylene being adsorbed
The amount and absorption percentage of base indigo plant.Test result is as shown in table 1.
1 absorption property test result of table
| Test sample | Methylene blue adsorption number amount (mg) | It adsorbs percentage (%) |
| Embodiment 1 | 22.5 | 90 |
| Embodiment 2 | 22.75 | 91 |
| Embodiment 3 | 23 | 92 |
| Embodiment 4 | 23.5 | 94 |
| Embodiment 5 | 23.75 | 95 |
| Comparative example | 21.5 | 86 |
As shown in Table 1, tannic acid modified graphene/gelatin porous composite material is to the adsorption rate of methylene blue 90%
More than, there is good adsorption effect.
Claims (10)
1. a kind of tannic acid modified graphene/gelatin porous composite material, which is characterized in that be by method comprising the following steps
Preparation:
1) tannic acid, graphene oxide, deionized water are mixed, reacts at 80~90 DEG C, be then separated by solid-liquid separation, obtains tannic acid
Modified graphene；
2) tannic acid modified graphene, gelatin, deionized water are mixed, obtains tannic acid modified graphene/gelatin mixed liquor；
3) tannic acid modified graphene/gelatin mixed liquor is instilled in ice water, obtains tannic acid modified graphene/gelatine microsphere；
4) tannic acid modified graphene/gelatine microsphere and crosslinking agent are subjected to cross-linking reaction, obtain tannic acid modified graphene/gelatin
Cross-linked gel microballoon, is then freeze-dried, and obtains tannic acid modified graphene/gelatin porous composite material.
2. tannic acid modified graphene according to claim 1/gelatin porous composite material, it is characterised in that: step 1)
Described in the mass ratio of tannic acid and graphene oxide be 1~10:1.
3. tannic acid modified graphene according to claim 1 or 2/gelatin porous composite material, it is characterised in that: step
1) reaction time described in is 4~10h.
4. according to right want 1 described in tannic acid modified graphene/gelatin porous composite material, it is characterised in that: in step 2)
Described to be mixed into tannic acid modified graphene and mix with aqueous gelatin solution, the mass content of gelatin is 13 in institute's gelatin water solution
~30%.
5. tannic acid modified graphene according to claim 1 or 4/gelatin porous composite material, it is characterised in that: step
2) tannic acid modified graphene quality described in is the 1~8% of gelatin quality.
6. tannic acid modified graphene according to claim 1/gelatin porous composite material, it is characterised in that: step 3)
Described in tannic acid modified graphene/gelatin solution rate of addition be 5~20 drops/min.
7. tannic acid modified graphene according to claim 1/gelatin porous composite material, it is characterised in that: step 4)
Described in cross-linking reaction be tannic acid modified graphene/gelatine microsphere reacted with cross-linking agent solution, handed in the cross-linking agent solution
The mass content for joining agent is 0.5~5%.
8. tannic acid modified graphene according to claim 7/gelatin porous composite material, it is characterised in that: step 4)
Described in crosslinking agent be one of glutaraldehyde, glyoxal.
9. a kind of preparation method of tannic acid modified graphene/gelatin porous composite material as described in claim 1, feature
It is: the following steps are included:
1) tannic acid, graphene oxide, deionized water are mixed, reacts at 80~90 DEG C, be then separated by solid-liquid separation, obtains tannic acid
Modified graphene；
2) tannic acid modified graphene, gelatin, deionized water are mixed, obtains tannic acid modified graphene/gelatin mixed liquor；
3) tannic acid modified graphene/gelatin mixed liquor is instilled in ice water, obtains tannic acid modified graphene/gelatine microsphere；
4) tannic acid modified graphene/gelatine microsphere and crosslinking agent are subjected to cross-linking reaction, obtain tannic acid modified graphene/gelatin
Cross-linked gel microballoon, is then freeze-dried, and obtains tannic acid modified graphene/gelatin porous composite material.
10. a kind of tannic acid modified graphene/gelatin porous composite material as described in claim 1 is as Dye Adsorption material
Application.
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| CN113788989A (en) * | 2021-09-13 | 2021-12-14 | 桂林理工大学 | Starch-based nano composite material with ultraviolet shielding function and preparation method thereof |
| CN114874478A (en) * | 2022-05-18 | 2022-08-09 | 吉翔宝（太仓）离型材料科技发展有限公司 | Heat-resistant antistatic release film based on flexible graphene |
| CN116492989A (en) * | 2023-06-26 | 2023-07-28 | 湖南先伟实业有限公司 | Supported active carbon, preparation method and application thereof in purification of electronic photosensitive compound |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102585265A (en) * | 2012-01-20 | 2012-07-18 | 河南科技大学 | Preparation method of gelatin/poli vinyl alcohol (PVA) composite films crosslinked with glutaraldehyde solution |
| CN103480343A (en) * | 2013-10-16 | 2014-01-01 | 苏州大学 | Graphene oxide porous composite material and preparation method thereof |
| CN104275164A (en) * | 2014-09-29 | 2015-01-14 | 镇江华域环保设备制造有限公司 | Graphene oxide porous composite material for wastewater treatment, and preparation method thereof |
| US9314777B2 (en) * | 2012-07-27 | 2016-04-19 | Lawrence Livermore National Security, Llc | High surface area graphene-supported metal chalcogenide assembly |
| CN106944017A (en) * | 2017-03-23 | 2017-07-14 | 国网山东省电力公司电力科学研究院 | Heavy metal removing technique in efficient water based on gelatin-compounded adsorbent |
| KR20170121996A (en) * | 2016-04-26 | 2017-11-03 | 서울대학교산학협력단 | Additive for modifying polymer and manufacturing method thereof |
| CN107349912A (en) * | 2017-08-10 | 2017-11-17 | 武汉科技大学 | A kind of carbon composite gelatin sponge and preparation method thereof |
| CN108176383A (en) * | 2018-01-05 | 2018-06-19 | 天津工业大学 | A kind of preparation method of antibacterial absorption sponge material |
-
2018
- 2018-09-14 CN CN201811075031.8A patent/CN109078616B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102585265A (en) * | 2012-01-20 | 2012-07-18 | 河南科技大学 | Preparation method of gelatin/poli vinyl alcohol (PVA) composite films crosslinked with glutaraldehyde solution |
| US9314777B2 (en) * | 2012-07-27 | 2016-04-19 | Lawrence Livermore National Security, Llc | High surface area graphene-supported metal chalcogenide assembly |
| CN103480343A (en) * | 2013-10-16 | 2014-01-01 | 苏州大学 | Graphene oxide porous composite material and preparation method thereof |
| CN104275164A (en) * | 2014-09-29 | 2015-01-14 | 镇江华域环保设备制造有限公司 | Graphene oxide porous composite material for wastewater treatment, and preparation method thereof |
| KR20170121996A (en) * | 2016-04-26 | 2017-11-03 | 서울대학교산학협력단 | Additive for modifying polymer and manufacturing method thereof |
| CN106944017A (en) * | 2017-03-23 | 2017-07-14 | 国网山东省电力公司电力科学研究院 | Heavy metal removing technique in efficient water based on gelatin-compounded adsorbent |
| CN107349912A (en) * | 2017-08-10 | 2017-11-17 | 武汉科技大学 | A kind of carbon composite gelatin sponge and preparation method thereof |
| CN108176383A (en) * | 2018-01-05 | 2018-06-19 | 天津工业大学 | A kind of preparation method of antibacterial absorption sponge material |
Non-Patent Citations (3)
| Title |
|---|
| CUIYUN LIU等: ""In situ reduced and assembled three-dimensional graphene aerogel for efficient dye removal"", 《JOURNAL OF ALLOYS AND COMPOUNDS》 * |
| 邓飞容: ""单宁还原氧化石墨烯及其与聚丙烯酰胺的复合改性研究"", 《万方学位论文》 * |
| 郝晓丽: ""明胶微球的制备及其对阴离子染料的吸附性能研究"", 《中国优秀硕士学位论文全文数据库（工程科技Ⅰ辑）》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113659143A (en) * | 2021-08-06 | 2021-11-16 | 东莞市创明电池技术有限公司 | Preparation method of negative electrode material of sodium ion battery, negative electrode material and sodium ion battery |
| CN113788989A (en) * | 2021-09-13 | 2021-12-14 | 桂林理工大学 | Starch-based nano composite material with ultraviolet shielding function and preparation method thereof |
| CN114874478A (en) * | 2022-05-18 | 2022-08-09 | 吉翔宝（太仓）离型材料科技发展有限公司 | Heat-resistant antistatic release film based on flexible graphene |
| CN116492989A (en) * | 2023-06-26 | 2023-07-28 | 湖南先伟实业有限公司 | Supported active carbon, preparation method and application thereof in purification of electronic photosensitive compound |
| CN116492989B (en) * | 2023-06-26 | 2023-09-08 | 湖南先伟实业有限公司 | Supported active carbon, preparation method and application thereof in purification of electronic photosensitive compound |
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