CN108976448A - It is a kind of to utilize hydrogen bond network and magnetic nanoparticle enhancing tri compound film and preparation method thereof - Google Patents
It is a kind of to utilize hydrogen bond network and magnetic nanoparticle enhancing tri compound film and preparation method thereof Download PDFInfo
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Abstract
It is a kind of to utilize hydrogen bond network and magnetic nanoparticle enhancing tri compound film and preparation method thereof, by evenly dispersed graphene oxide in deionized water, high molecular polymer and solution of magnetic nanoparticles are uniformly mixed merely by stirring, and prepare tri compound film using the method for spraying self assembly.The present invention provides a kind of simple film build method, composite membrane constructs a kind of high intensity using huge hydrogen bond network, and the composite membrane of high tenacity, tensile stress and toughness are respectively 303MPa and 10.28KJ/m3It is 6.06 and 9.6 times of pure high molecular polymer, simultaneously because the effect that magnetic nanoparticle increases interface friction force is added, tensile stress is also greater than graphene oxide and high molecular polymer composite membrane.In addition, graphene oxide, high molecular polymer and magnetic nanoparticle composite membrane have significant temperature rise effect under alternating magnetic field, in the future, can also help to manufacture other high performance composite membranes using the tri compound film that hydrogen bond network and magnetic nanoparticle construct.
Description
Technical field
The present invention relates to a kind of using hydrogen bond network and magnetic nanoparticle enhancing tri compound film and preparation method thereof, special
It is not related to a kind of hydrogen bond network and nano-particle reinforcement graphene oxide-high molecular polymer-magnetic nanoparticle composite material
Preparation method, belong to nano material field of compounding.
Background technique
Surface of graphene oxide has a large amount of oxygen-containing functional group, it is easy to hydrogen bond action occur with high molecular polymer
And it is widely used in field of nanocomposite materials.By the way that suitable graphene oxide solution is added in high molecular polymer
The composite material of excellent in mechanical performance can be prepared.In recent years, researcher is also made great efforts all the time with various high scores
Sub- polymer prepares high performance organic-graphene oxide composite material.
Amorphophallus rivieri glucomannan is prepared using evaporation assembling in " Small " (2015, o. 11th, the 4298-4302 pages) of Germany
Glycan-graphene oxide composite membrane, two kinds of substances are connected by hydrogen bond, when the additional amount of graphene oxide is only 7.5%,
The mechanical property of composite membrane improves 151.6% than pure konjac glncomanan film, has reached 183.3MPa.The U.S. " ACS receives
Rice " (ACS Nano, 2015, volume 9, the 8165-8175 pages) report through suction method graphene oxide and sodium alginate
Composite membrane, two kinds of materials are linked by hydrogen bond, and mechanics is greatly improved compared to original material, and stress can reach
272.3Mpa, toughness can reach 12.5 MJ/m3。
In compound film system, we can also enhance mechanical property and the imparting of composite membrane by the way that nano particle is added
Composite membrane is multi-functional.Holland " carbohydrate polymer " (Carbohydrate Polymers, 2013, volume 92,
The 1781-1791 pages) ferroso-ferric oxide-multilayer carbon nanotube-chitosan trielement composite material is reported, wherein ferroso-ferric oxide
Enhancing interfacial friction can be played, while playing synergistic effect in the enhancing to whole system mechanics.This tri compound film
The mechanical property of purer chitosan promotes 159%.Also, the conductivity of composite membrane is up to 105 μ S/cm." the ACS in the U.S.
Nanometer " (ACS Nano, 2015, volume 9, the 2167-2172 page) pass through silica nanometer piece, nano SiO 2 particle
Transparent tri compound film is prepared with PVA, wherein silicon-oxygen key in silica is easy to generate with the hydrogen-oxygen key in PVA
Hydrogen bond action, while the nano SiO 2 particle for being grown in silica nanometer on piece can increase the roughness of interlayer, into
The mechanical property of one step promotion composite membrane.It can reach by the final stress of the composite membrane of hydrogen bond and nano-particle reinforcement
31.6Mpa, and pure PVA film only has 13.5MPa.
Summary of the invention
Hydrogen bond network and magnetic nanoparticle enhancing tri compound film and its system are utilized it is an object of that present invention to provide a kind of
Preparation Method.
To achieve the above object, present invention provide the technical scheme that a kind of utilize hydrogen bond network and magnetic nanoparticle
Enhance the preparation method of tri compound film, including the following steps:
Step 1: graphene oxide water solution is added drop-wise in high molecular polymer aqueous solution, the oxidation stone of dispersion is stirred to get
Black alkene-high molecular polymer dispersion liquid；
Step 2: the magnetic nanoparticle aqueous solution that partial size is 20-100nm is added drop-wise to the graphene oxide-polyphosphazene polymer
It closes in object dispersion liquid, stirs to get graphene oxide-high molecular polymer-magnetic nanoparticle dispersion liquid of dispersion；
Step 3: by spraying the method assembled for the graphene oxide-high molecular polymer-magnetic nanoparticle dispersion liquid
Film is made.
Preferred technical solution are as follows: the concentration of the graphene oxide water solution is 1-10mg/mL, the high molecular polymerization
The concentration of object aqueous solution is 1-10mg/mL, and the concentration of the magnetic nanoparticle aqueous solution is 100-500 μ g/mL.
Preferred technical solution are as follows: the quality of the graphene oxide-high molecular polymer dispersion liquid graphene oxide
Content is 1 ~ 50%.
Preferred technical solution are as follows: the matter of the graphene oxide in the graphene oxide-high molecular polymer dispersion liquid
Amount content is 2-20%.
Preferred technical solution are as follows: receiving in the graphene oxide-high molecular polymer-magnetic nanoparticle dispersion liquid
The mass content of rice grain is 1 ~ 10%.
Preferred technical solution are as follows: the high molecular polymer aqueous solution is dispersed in water by Chitosan-Thiolated Polymers and is made
At.
Preferred technical solution are as follows: the magnetic nanoparticle aqueous solution is that polyethylene glycol coated ferroso-ferric oxide disperses
Yu Shuizhong and be made.
To achieve the above object, present invention provide the technical scheme that a kind of utilize hydrogen bond network and magnetic nanoparticle
Enhance tri compound film, it is characterised in that: be prepared using the above method, graphene oxide-high molecular polymer-obtained
The tensile stress and toughness of magnetic nanoparticle tri compound film are respectively 303MPa and 10.28MJ/m3。
Detailed description of the invention
Fig. 1 is 1%, 3%, 6%, the cross-sectional scans electron microscope of 9% graphene oxide-Chitosan-Thiolated Polymers composite membrane (SEM,
Zeiss Supra 40, Germany) and composite membrane optical photograph (a-d).
Fig. 2 is the cross-sectional scans Electronic Speculum of -1.25% ferroso-ferric oxide composite membrane of 6% graphene oxide-Chitosan-Thiolated Polymers
(a), the cross-sectional scans of the tri compound film of Mapping power spectrum (b-c) and scanning electron microscope power spectrum (EDX) (d) and different-thickness
Electronic Speculum (e-h).
Fig. 3 is the graphene oxide-Chitosan-Thiolated Polymers composite membrane and graphene oxide-mercapto of different graphene oxide contents
Base chitosan-ferroso-ferric oxide composite membrane XRD spectrum (a), graphene oxide, graphene oxide-Chitosan-Thiolated Polymers and
Graphene oxide-Chitosan-Thiolated Polymers-ferriferrous oxide composite material infared spectrum (b), xps can compose (c), and Fe2pX is penetrated
Photoelectron spectra (d), S2pX ray photoelectron spectroscopic analysis data (e) Chitosan-Thiolated Polymers film and (f) graphene oxide-mercapto
Base chitosan-ferroso-ferric oxide composite membrane.
Fig. 4 is graphene oxide-Chitosan-Thiolated Polymers composite membrane stress (a) and toughness of different graphene oxide contents
(b), 6% graphene oxide-Chitosan-Thiolated Polymers-ferroso-ferric oxide composite membrane stress (c) of different ferroso-ferric oxide contents and
Toughness (d).
Fig. 5 is that 6% graphene oxide-Chitosan-Thiolated Polymers-ferroso-ferric oxide composite membrane of different ferroso-ferric oxide contents exists
Heating curve in the alternating magnetic field of 30KA/m, wherein room temperature is 28 DEG C.
Fig. 6 is tri compound film preparation flow diagram.
In the figures above, 1, Chitosan-Thiolated Polymers；2, ferroso-ferric oxide；3, polyethylene glycol coated ferroso-ferric oxide oxidation
Graphene.
Since above-mentioned technical proposal is used, the present invention has the advantage, that compared with prior art
1, the present invention provides a kind of simple and easy graphene oxide-high molecular polymer-magnetic nanoparticle composite membranes
Preparation method, by persistently stirring to get graphene oxide-high molecular polymer dispersion liquid of uniformly mixed different proportion, then
The solution of magnetic nanoparticles that different volumes are added can be obtained by graphene oxide-high score of different proportion using spraying assembling
Sub- polymer-magnetic nanoparticle composite membrane.
2, graphene oxide-high molecular polymer-magnetic nanoparticle composite membrane that the present invention is obtained, successfully three
Hydrogen bond network is formed in first compound and introduces magnetic nanoparticle, and 6% graphene oxide-high molecular polymer -1.25% is magnetic
The tensile stress (303MPa) of nano-particles reinforcement film is far longer than polymer membrane (50MPa) and 6% graphene oxide-
High molecular polymer (207MPa).
3, the drawing of the present invention -1.25% magnetic nanoparticle composite membrane of 6% graphene oxide-high molecular polymer obtained
It stretches stress and toughness is respectively 6.06 times and 9.6 times of pure high molecular polymer.
4, the drawing of the present invention -1.25% magnetic nanoparticle composite membrane of 6% graphene oxide-high molecular polymer obtained
It stretches stress and toughness is respectively 1.46 times and 1.61 times of 6% graphene oxide-high molecular polymer.
5, graphene oxide-high molecular polymer-magnetic nanoparticle composite membrane prepared by this method has and well may be used
Control property, size, thickness are controllable.
6, under alternating magnetic field (30KA/m), graphene oxide-high molecular polymer-magnetic nanoparticle has good
Temperature rise effect.In 80 seconds, -1.25% ferroso-ferric oxide of 6% graphene oxide-Chitosan-Thiolated Polymers can be warming up to 45 DEG C.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily.
Referring to shown in Fig. 1 ~ 6, it should however be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to
Cooperate the revealed content of specification, so that those skilled in the art understands and reads, being not intended to limit the invention can be real
The qualifications applied, therefore do not have technical essential meaning, the tune of the modification of any structure, the change of proportionate relationship or size
It is whole, in the case where not influencing the effect of present invention can be generated and the purpose that can reach, it should all still fall in disclosed skill
Art content obtains in the range of capable of covering.Meanwhile in this specification it is cited as "upper", "lower", "left", "right", " centre " and
The term of " one " etc. is merely convenient to being illustrated for narration, rather than to limit the scope of the invention, relativeness
It is altered or modified, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the present invention.
Comparative example:
The preparation of graphene oxide-Chitosan-Thiolated Polymers composite membrane is carried out as follows:
Graphene oxide is made into the aqueous solution of 10mg/mL；Chitosan-Thiolated Polymers are made into the aqueous solution of 10mg/mL.
The sulfhydrylation shell that the graphene oxide water solution of 0.081mL10mg/mL is added drop-wise to 7.92mL10mg/mL dropwise is gathered
It in sugar juice, is stirred 12 hours using magnetic stirring apparatus, obtains the 1% graphene oxide-Chitosan-Thiolated Polymers point of uniform dispersion
Dispersion liquid.
Using sheet glass as substrate, by spraying self-assembly method prepared by 1% graphene oxide-Chitosan-Thiolated Polymers dispersion liquid
Film forming, that is, obtain 1% graphene oxide-Chitosan-Thiolated Polymers composite membrane.
The scanning electron microscope (SEM) photograph (Fig. 1 (a)) of the 1% graphene oxide-Chitosan-Thiolated Polymers composite membrane of preparation, it can be seen that oxygen
Graphite alkene-Chitosan-Thiolated Polymers composite membrane is fine and close, and without obvious layer structure, Mechanics Performance Testing shows 1% graphene oxide-
The tensile stress and toughness of Chitosan-Thiolated Polymers composite membrane are respectively 85MPa and 1.08KJ/m3, such as Fig. 4 (a-b).
Comparative example 2:
The preparation of graphene oxide-Chitosan-Thiolated Polymers composite membrane is carried out as follows:
Graphene oxide is made into the aqueous solution of 10mg/mL；Chitosan-Thiolated Polymers are made into the aqueous solution of 10mg/mL；
The Chitosan-Thiolated Polymers that the graphene oxide water solution of 0.247mL10mg/mL is added drop-wise to 7.75mL10mg/mL dropwise are molten
It in liquid, is stirred 12 hours using magnetic stirring apparatus, obtains the 3% graphene oxide-Chitosan-Thiolated Polymers dispersion of uniform dispersion
Liquid.
Using sheet glass as substrate, by spraying self-assembly method prepared by 3% graphene oxide-Chitosan-Thiolated Polymers dispersion liquid
Film forming, that is, obtain 3% graphene oxide-Chitosan-Thiolated Polymers composite membrane.
The scanning electron microscope (SEM) photograph (Fig. 1 (b)) of 3% graphene oxide-Chitosan-Thiolated Polymers composite membrane prepared by the present embodiment,
It can be seen that graphene oxide-Chitosan-Thiolated Polymers composite membrane is relatively compact, there are more apparent layer structure, Mechanics Performance Testing table
Bright, the tensile stress and toughness of 3% graphene oxide-Chitosan-Thiolated Polymers composite membrane are respectively 133MPa and 4.83KJ/m3, such as
Fig. 4 (a-b).
Comparative example 3:
The preparation of graphene oxide-Chitosan-Thiolated Polymers composite membrane is carried out as follows:
Graphene oxide is made into the aqueous solution of 10mg/mL；Chitosan-Thiolated Polymers are made into the aqueous solution of 10mg/mL；
The Chitosan-Thiolated Polymers that the graphene oxide water solution of 0.48mL10mg/mL is added drop-wise to 7.52mL10mg/mL dropwise are molten
It in liquid, is stirred 12 hours using magnetic stirring apparatus, obtains the 6% graphene oxide-Chitosan-Thiolated Polymers dispersion of uniform dispersion
Liquid.
C, using sheet glass as substrate, by spraying self-assembly method for 6% graphene oxide-Chitosan-Thiolated Polymers dispersion liquid system
Standby film forming, that is, obtain 6% graphene oxide-Chitosan-Thiolated Polymers composite membrane.
The scanning electron microscope (SEM) photograph (Fig. 1 (c)) of the 6% graphene oxide-Chitosan-Thiolated Polymers composite membrane of preparation, it can be seen that oxygen
Graphite alkene-Chitosan-Thiolated Polymers composite membrane has obvious layer structure, and Mechanics Performance Testing shows 6% graphene oxide-sulfydryl
The tensile stress and toughness for changing chitosan complex film are respectively 207MPa and 6.40KJ/m3, such as Fig. 4 (a-b).
In Fig. 3 (b), graphene oxide-Chitosan-Thiolated Polymers composite material is in 1740cm-1Place belongs to the disappearance of the peak-C=O,
Peak of the C-O at 1230cm-1 is mobile toward high wave number direction, illustrates that hydrogen has occurred between graphene oxide and Chitosan-Thiolated Polymers
Key effect.
Comparative example 4:
The preparation of graphene oxide-Chitosan-Thiolated Polymers composite membrane is carried out as follows:
A, graphene oxide is made into the aqueous solution of 10mg/mL；Chitosan-Thiolated Polymers are made into the aqueous solution of 10mg/mL；
B, the graphene oxide water solution of 0.79mL10mg/mL is added drop-wise to the Chitosan-Thiolated Polymers of 7.21mL10mg/mL dropwise
It in solution, is stirred 12 hours using magnetic stirring apparatus, obtains the 9% graphene oxide-Chitosan-Thiolated Polymers dispersion of uniform dispersion
Liquid.
C, using sheet glass as substrate, by spraying self-assembly method for 9% graphene oxide-Chitosan-Thiolated Polymers dispersion liquid system
Standby film forming, that is, obtain 9% graphene oxide-Chitosan-Thiolated Polymers composite membrane.
The scanning electron microscope (SEM) photograph (Fig. 1 (d)) of 9% graphene oxide-Chitosan-Thiolated Polymers composite membrane prepared by the present embodiment,
It can be seen that graphene oxide-Chitosan-Thiolated Polymers composite membrane also has obvious layer structure, but Mechanics Performance Testing shows 9% oxygen
Graphite alkene-Chitosan-Thiolated Polymers composite membrane tensile stress and toughness are respectively 164MPa and 5.32KJ/m3, such as Fig. 4 (a-
B).
Embodiment 1: a kind of to utilize hydrogen bond network and magnetic nanoparticle enhancing tri compound film and preparation method thereof
The present embodiment carries out the preparation of graphene oxide-Chitosan-Thiolated Polymers-ferroso-ferric oxide composite membrane as follows:
A, graphene oxide is made into the aqueous solution of 10mg/mL；Chitosan-Thiolated Polymers are made into the aqueous solution of 10mg/mL；It will gather
The attached ferroso-ferric oxide of ethylene glycol packet is configured to 500 μ g/mL aqueous solutions；
B, the graphene oxide water solution of 0.48mL 10mg/mL is added drop-wise to the Chitosan-Thiolated Polymers of 7.52mL10mg/mL dropwise
It in solution, is stirred 12 hours using magnetic stirring apparatus, obtains the 6% graphene oxide-Chitosan-Thiolated Polymers dispersion of uniform dispersion
Liquid.
C, the attached ferroso-ferric oxide solution of the polyethylene glycol packet of 1mL500 μ g/mL is added dropwise, stirs 10 minutes, obtains uniform point
Scattered -0.625% ferroso-ferric oxide dispersion liquid of 6% graphene oxide-Chitosan-Thiolated Polymers.
D, using sheet glass as substrate, by spraying self-assembly method for 6% graphene oxide-Chitosan-Thiolated Polymers -0.625% four
Fe 3 O dispersion liquid preparation film forming, that is, it is compound to obtain -0.625% ferroso-ferric oxide of 6% graphene oxide-Chitosan-Thiolated Polymers
Film.
The power of -0.625% ferroso-ferric oxide composite membrane of 6% graphene oxide-Chitosan-Thiolated Polymers prepared by the present embodiment
Learn tensile stress and toughness point that test shows -0.625% ferroso-ferric oxide composite membrane of 6% graphene oxide-Chitosan-Thiolated Polymers
It Wei not 267MPa and 12.34 KJ/m3Such as Fig. 4 (c-d).As shown in figure 5, under the alternating magnetic field of 30KA/m, it is compound in 80 seconds
Film can be warming up to 37.5 DEG C (room temperature is 28 DEG C).
Embodiment 2: a kind of to utilize hydrogen bond network and magnetic nanoparticle enhancing tri compound film and preparation method thereof
The present embodiment carries out the preparation of graphene oxide-Chitosan-Thiolated Polymers-ferroso-ferric oxide composite membrane as follows:
A, graphene oxide is made into the aqueous solution of 10mg/mL；Chitosan-Thiolated Polymers are made into the aqueous solution of 10mg/mL；It will gather
The attached ferroso-ferric oxide of ethylene glycol packet is configured to 500 μ g/mL aqueous solutions；
B, the graphene oxide water solution of 0.48mL 10mg/mL is added drop-wise to the Chitosan-Thiolated Polymers of 7.52mL10mg/mL dropwise
It in solution, is stirred 12 hours using magnetic stirring apparatus, obtains the 6% graphene oxide-Chitosan-Thiolated Polymers dispersion of uniform dispersion
Liquid.
C, the attached ferroso-ferric oxide solution of the polyethylene glycol packet of 2.04mL500 μ g/mL is added dropwise, stirs 10 minutes, obtains
- 1.25% ferroso-ferric oxide dispersion liquid of 6% graphene oxide-Chitosan-Thiolated Polymers of one dispersion.
D, using sheet glass as substrate, by spraying self-assembly method for 6% graphene oxide-Chitosan-Thiolated Polymers -1.25% four
Fe 3 O dispersion liquid preparation film forming, that is, obtain -1.25% ferroso-ferric oxide composite membrane of 6% graphene oxide-Chitosan-Thiolated Polymers.
The scanning of -1.25% ferroso-ferric oxide composite membrane of 6% graphene oxide-Chitosan-Thiolated Polymers prepared by the present embodiment
Electron microscope (Fig. 2 (a)) is it can be seen that composite membrane has apparent layer structure, Mapping power spectrum and scanning electron microscope power spectrum (EDX)
Show that composite membrane includes sulphur, these characteristic elements of iron and is evenly distributed (Fig. 2 (b-d)).By to 6% graphene oxide-sulfhydrylation
The regulation of -1.25% ferroso-ferric oxide dispersion liquid volume of chitosan can prepare the composite membrane of different-thickness using spraying self assembly,
Figure is cross-sectional scans electron microscope Fig. 2 (e-h) of the composite membrane of several different-thickness prepared by the present embodiment.Mechanical test table
Bright, the tensile stress and toughness of -1.25% ferroso-ferric oxide composite membrane of 6% graphene oxide-Chitosan-Thiolated Polymers are respectively
308MPa and 10.28 KJ/m3.As shown in figure 5, in 80 seconds, composite membrane can be warming up to 45 DEG C under the alternating magnetic field of 30KA/m
(room temperature is 28 DEG C).
In Fig. 3 (b), graphene oxide-Chitosan-Thiolated Polymers-ferriferrous oxide composite material belongs to-C at 1740cm-1
The peak of=O disappears, and peak of the C-O 1230cm-1 at is mobile toward high wave number direction, illustrate graphene oxide and Chitosan-Thiolated Polymers and
Hydrogen bond action has occurred between ferroso-ferric oxide.
Fig. 3 (e) is the S2p swarming of pure Chitosan-Thiolated Polymers, as shown, the S2p of pure Chitosan-Thiolated Polymers can be with
It is divided into two peaks, 163.5ev is carbon-sulfide linkage peak, and 164.4ev is sulphur-hydrogen bond peak.
Fig. 3 (f) is graphene oxide-Chitosan-Thiolated Polymers-ferriferrous oxide composite material S2p swarming, as shown in the figure
Peak at 163.6 and 164.8ev is carbon-sulfide linkage peak, and at 168.0 and 169.2 is the peak of thioester bond, thus, in oxygen
There is also part thioester bonds in graphite alkene-Chitosan-Thiolated Polymers-ferriferrous oxide composite material.
Embodiment 3: a kind of to utilize hydrogen bond network and magnetic nanoparticle enhancing tri compound film and preparation method thereof
Preparation process is as shown in fig. 6, Chitosan-Thiolated Polymers 1, ferroso-ferric oxide 2, polyethylene glycol coated ferroso-ferric oxide oxidation
Graphene is also as shown in fig. 6, the present embodiment carries out the preparation of graphene oxide-Chitosan-Thiolated Polymers composite membrane as follows:
A, graphene oxide is made into the aqueous solution of 10mg/mL；Chitosan-Thiolated Polymers are made into the aqueous solution of 10mg/mL；It will gather
The attached ferroso-ferric oxide of ethylene glycol packet is configured to 500 μ g/mL aqueous solutions；
B, the graphene oxide water solution of 0.48mL 10mg/mL is added drop-wise to the Chitosan-Thiolated Polymers of 7.52mL10mg/mL dropwise
It in solution, is stirred 12 hours using magnetic stirring apparatus, obtains the 6% graphene oxide-Chitosan-Thiolated Polymers dispersion of uniform dispersion
Liquid.
C, the attached ferroso-ferric oxide solution of the polyethylene glycol packet of 4.1mL500 μ g/mL is added dropwise, stirs 10 minutes, obtains uniform
- 2.5% nanoparticulate dispersion of 6% graphene oxide-Chitosan-Thiolated Polymers of dispersion.
D, using sheet glass as substrate, by spraying self-assembly method for 6% graphene oxide-Chitosan-Thiolated Polymers -0.625% four
Fe 3 O dispersion liquid preparation film forming, that is, obtain -2.5% nano-particles reinforcement film of 6% graphene oxide-Chitosan-Thiolated Polymers.
The mechanics of -2.5% nano-particles reinforcement film of 6% graphene oxide-Chitosan-Thiolated Polymers prepared by the present embodiment is surveyed
It takes temperature bright, the tensile stress and toughness of -2.5% ferroso-ferric oxide composite membrane of 6% graphene oxide-Chitosan-Thiolated Polymers are respectively
164MPa and 3.77 KJ/m3Such as Fig. 4 (c-d).As shown in figure 5, in 80 seconds, composite membrane can be risen under the alternating magnetic field of 30KA/m
Temperature is to 50.1 DEG C (room temperature is 28 DEG C).
Embodiment 4: a kind of to utilize hydrogen bond network and magnetic nanoparticle enhancing tri compound film and preparation method thereof
A kind of preparation method using hydrogen bond network and magnetic nanoparticle enhancing tri compound film, including the following steps:
Step 1: graphene oxide water solution is added drop-wise in high molecular polymer aqueous solution, the oxidation stone of dispersion is stirred to get
Black alkene-high molecular polymer dispersion liquid；
Step 2: the magnetic nanoparticle aqueous solution that partial size is 50nm is added drop-wise to the graphene oxide-high molecular polymer
In dispersion liquid, graphene oxide-high molecular polymer-magnetic nanoparticle dispersion liquid of dispersion is stirred to get；
Step 3: by spraying the method assembled for the graphene oxide-high molecular polymer-magnetic nanoparticle dispersion liquid
Film is made.
Preferred embodiment are as follows: the concentration of the graphene oxide water solution is 5mg/mL, the high molecular polymer
The concentration of aqueous solution is 5mg/mL, and the concentration of the magnetic nanoparticle aqueous solution is 300 μ g/mL.
Preferred embodiment are as follows: the quality of the graphene oxide-high molecular polymer dispersion liquid graphene oxide
Content is 25%.
Preferred embodiment are as follows: the matter of the graphene oxide in the graphene oxide-high molecular polymer dispersion liquid
Measuring content is 11%.
Preferred embodiment are as follows: receiving in the graphene oxide-high molecular polymer-magnetic nanoparticle dispersion liquid
The mass content of rice grain is 5%.
Preferred embodiment are as follows: the high molecular polymer aqueous solution is dispersed in water by Chitosan-Thiolated Polymers and is made
At.
Preferred embodiment are as follows: the magnetic nanoparticle aqueous solution is that polyethylene glycol coated ferroso-ferric oxide disperses
Yu Shuizhong and be made.
Embodiment 5: a kind of to utilize hydrogen bond network and magnetic nanoparticle enhancing tri compound film and preparation method thereof
A kind of preparation method using hydrogen bond network and magnetic nanoparticle enhancing tri compound film, including the following steps:
Step 1: graphene oxide water solution is added drop-wise in high molecular polymer aqueous solution, the oxidation stone of dispersion is stirred to get
Black alkene-high molecular polymer dispersion liquid；
Step 2: the magnetic nanoparticle aqueous solution that partial size is 100nm is added drop-wise to the graphene oxide-high molecular polymerization
In object dispersion liquid, graphene oxide-high molecular polymer-magnetic nanoparticle dispersion liquid of dispersion is stirred to get；
Step 3: by spraying the method assembled for the graphene oxide-high molecular polymer-magnetic nanoparticle dispersion liquid
Film is made.
Preferred embodiment are as follows: the concentration of the graphene oxide water solution is 10mg/mL, the high molecular polymer
The concentration of aqueous solution is 10mg/mL, and the concentration of the magnetic nanoparticle aqueous solution is 500 μ g/mL.
Preferred embodiment are as follows: the quality of the graphene oxide-high molecular polymer dispersion liquid graphene oxide
Content is 50%.
Preferred embodiment are as follows: the matter of the graphene oxide in the graphene oxide-high molecular polymer dispersion liquid
Measuring content is 20%.
Preferred embodiment are as follows: receiving in the graphene oxide-high molecular polymer-magnetic nanoparticle dispersion liquid
The mass content of rice grain is 10%.
Preferred embodiment are as follows: the high molecular polymer aqueous solution is dispersed in water by Chitosan-Thiolated Polymers and is made
At.
Preferred embodiment are as follows: the magnetic nanoparticle aqueous solution is that polyethylene glycol coated ferroso-ferric oxide disperses
Yu Shuizhong and be made.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (8)
1. a kind of preparation method using hydrogen bond network and magnetic nanoparticle enhancing tri compound film, it is characterised in that: including
The following steps:
Step 1: graphene oxide water solution is added drop-wise in high molecular polymer aqueous solution, the oxidation stone of dispersion is stirred to get
Black alkene-high molecular polymer dispersion liquid；
Step 2: the magnetic nanoparticle aqueous solution that partial size is 20-100nm is added drop-wise to the graphene oxide-polyphosphazene polymer
It closes in object dispersion liquid, stirs to get graphene oxide-high molecular polymer-magnetic nanoparticle dispersion liquid of dispersion；
Step 3: by spraying the method assembled for the graphene oxide-high molecular polymer-magnetic nanoparticle dispersion liquid
Film is made.
2. the preparation method according to claim 1 using hydrogen bond network and magnetic nanoparticle enhancing tri compound film,
It is characterized by: the concentration of the graphene oxide water solution is 1-10mg/mL, the concentration of the high molecular polymer aqueous solution
For 1-10mg/mL, the concentration of the magnetic nanoparticle aqueous solution is 100-500 μ g/mL.
3. the preparation method according to claim 1 using hydrogen bond network and magnetic nanoparticle enhancing tri compound film,
It is characterized by: the mass content of the graphene oxide-high molecular polymer dispersion liquid graphene oxide is 1 ~ 50%.
4. the preparation method according to claim 3 using hydrogen bond network and magnetic nanoparticle enhancing tri compound film,
It is characterized by: the mass content of the graphene oxide in the graphene oxide-high molecular polymer dispersion liquid is 2-20%.
5. the preparation method according to claim 1 using hydrogen bond network and magnetic nanoparticle enhancing tri compound film,
It is characterized by: the quality of the nano particle in the graphene oxide-high molecular polymer-magnetic nanoparticle dispersion liquid contains
Amount is 1 ~ 10%.
6. the preparation method according to claim 1 using hydrogen bond network and magnetic nanoparticle enhancing tri compound film,
It is characterized by: the high molecular polymer aqueous solution is dispersed in water by Chitosan-Thiolated Polymers and is made.
7. the preparation method according to claim 1 using hydrogen bond network and magnetic nanoparticle enhancing tri compound film,
It is characterized by: the magnetic nanoparticle aqueous solution is that polyethylene glycol coated ferroso-ferric oxide is dispersed in water and is made.
8. a kind of enhance tri compound film using hydrogen bond network and magnetic nanoparticle, it is characterised in that: use claim 1 ~ 7
Any preparation method is prepared, and the tensile stress and toughness of tri compound film obtained are respectively 303MPa and 10.28MJ/
m3。
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109943388A (en) * | 2019-04-01 | 2019-06-28 | 合肥工业大学 | A kind of preparation method of the nano abrasion-resistant additive of active targeting frictional interface |
| CN111808581A (en) * | 2020-07-22 | 2020-10-23 | 西南石油大学 | Chitosan graphene oxide nano hydrogel plugging agent and water-based drilling fluid |
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| CN105233706A (en) * | 2015-09-23 | 2016-01-13 | 三达膜科技（厦门）有限公司 | Oxidized graphene metal/metallic oxide nanoparticle modified hollow fiber ultrafiltration membrane, and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109943388A (en) * | 2019-04-01 | 2019-06-28 | 合肥工业大学 | A kind of preparation method of the nano abrasion-resistant additive of active targeting frictional interface |
| CN111808581A (en) * | 2020-07-22 | 2020-10-23 | 西南石油大学 | Chitosan graphene oxide nano hydrogel plugging agent and water-based drilling fluid |
| CN111808581B (en) * | 2020-07-22 | 2022-04-19 | 西南石油大学 | Chitosan graphene oxide nano hydrogel plugging agent and water-based drilling fluid |
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