CN109337120A - A kind of graphene oxide composite material and preparation method thereof and purposes - Google Patents
A kind of graphene oxide composite material and preparation method thereof and purposes Download PDFInfo
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- CN109337120A CN109337120A CN201811146814.0A CN201811146814A CN109337120A CN 109337120 A CN109337120 A CN 109337120A CN 201811146814 A CN201811146814 A CN 201811146814A CN 109337120 A CN109337120 A CN 109337120A
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
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Abstract
The invention discloses a kind of graphene oxide composite material and preparation method thereof and purposes.The preparation method of graphene oxide composite material of the invention, comprising the following steps: isopropanol, aluminium isopropoxide and graphene oxide are added in deionized water；Then hydro-thermal reaction is carried out, graphene oxide composite material is obtained.The preparation method of graphene oxide composite material of the present invention can quickly and easily prepare graphene oxide composite material, prepared graphene oxide composite material has the characteristics that flame retarding efficiency is high, it can be used as the fire retardant of polymer material, the damage to polymer material mechanical property can be reduced, and improves the dispersibility of graphene oxide in the polymeric material.
Description
Technical field
The present invention relates to field of graphene more particularly to a kind of graphene oxide composite material and preparation method thereof with
On the way.
Background technique
The unique Two-dimensional Carbon atom lamellar structure of graphite alkenes material makes it have excellent thermal conductivity, electric conductivity and good
Good barrier property can be used as a kind of fire retardant to improve the flame retardant property of polymer material.Aluminium hydroxide, magnesium hydroxide etc.
Inorganic compound is used in polymer formulators the work that can also play that fire-retardant, synergistic is fire-retardant, presses down cigarette as common inorganic fire retardants
With, and it is non-toxic, non-corrosive, but a large amount of additions are needed, and can damage to polymer material mechanical property larger.
Therefore, the existing technology needs to be improved and developed.
Summary of the invention
In view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a kind of graphene oxide composite material and its
Preparation method and purposes, it is intended to solve inorganic fire retardants in the prior art and need a large amount of additions, and can be to polymer material mechanics
The larger problem of performance compromise.
A kind of preparation method of graphene oxide composite material, wherein the following steps are included:
Isopropanol, aluminium isopropoxide and graphene oxide are added in deionized water；
Then hydro-thermal reaction is carried out, graphene oxide composite material is obtained.
The preparation method of the graphene oxide composite material, wherein after the hydro-thermal reaction further include:
The product that hydro-thermal reaction obtains is washed and dried, graphene oxide composite material is obtained.
The preparation method of the graphene oxide composite material, wherein the isopropanol, the aluminium isopropoxide with it is described
The mass ratio of graphene oxide is 100-20:80-5:5-0.1.
The preparation method of the graphene oxide composite material, wherein the isopropanol, the aluminium isopropoxide with it is described
The mass ratio of graphene oxide is 70-30:25-15:1.
The preparation method of the graphene oxide composite material, wherein the temperature of the hydro-thermal reaction is 100-300
℃。
The preparation method of the graphene oxide composite material, wherein the time of the hydro-thermal reaction is 6-48h.
The preparation method of the graphene oxide composite material, wherein the temperature of the hydro-thermal reaction is 150-220
℃。
The preparation method of the graphene oxide composite material, wherein the time of the hydro-thermal reaction is 20-25h.
A kind of graphene oxide composite material, wherein the graphene oxide composite material includes graphene oxide and packet
Overlay on the boehmite of the surface of graphene oxide.
A kind of purposes of graphene oxide composite material as described above, wherein use the graphene oxide composite material
Make the fire retardant of polymer material.
The utility model has the advantages that the preparation method of graphene oxide composite material of the present invention can be prepared quickly and easily
Graphene oxide composite material.Graphene oxide composite material prepared by the present invention has the characteristics that flame retarding efficiency is high, can use
Make the fire retardant of polymer material, the damage to polymer material mechanical property can be reduced, and improves graphene oxide poly-
Close the dispersibility in object material.
Detailed description of the invention
Fig. 1 is the infrared spectrogram of graphene oxide composite material prepared by the present invention and graphene oxide.
Fig. 2 is the XRD diagram of graphene oxide composite material prepared by the present invention.
Fig. 3 is the scanning electron microscope (SEM) photograph of graphene oxide.
Fig. 4 is the scanning electron microscope (SEM) photograph of graphene oxide composite material prepared by the present invention.
Fig. 5 is another scanning electron microscope (SEM) photograph of graphene oxide composite material prepared by the present invention.
Fig. 6 is another scanning electron microscope (SEM) photograph of graphene oxide composite material prepared by the present invention.
Specific embodiment
The present invention provides a kind of graphene oxide composite material and preparation method thereof and purposes, for make the purpose of the present invention,
Technical solution and effect are clearer, clear, and the present invention is described in more detail below.It should be appreciated that described herein
Specific embodiment is only used to explain the present invention, is not intended to limit the present invention.
A kind of preparation method of graphene oxide composite material, wherein the following steps are included:
Isopropanol, aluminium isopropoxide and graphene oxide are added in deionized water；
Then hydro-thermal reaction is carried out, graphene oxide composite material is obtained.
The preparation method of graphene oxide composite material of the present invention is that one kind passes through hydro-thermal reaction in graphene oxide
The method that surface in situ synthesizes boehmite, obtained graphene oxide composite material are a kind of boehmite claddings
Graphene oxide.The present invention can simply and rapidly prepare the graphene oxide (oxygen of boehmite cladding by hydro-thermal method
Graphite alkene composite material).The preparation method simple process of graphene oxide composite material of the present invention, is suitble to extensive work
Industry production.
Preferably, after the hydro-thermal reaction further include:
The product that hydro-thermal reaction obtains is washed and dried, graphene oxide composite material is obtained.
The present invention passes through the product obtained after hydro-thermal reaction and washs and dry, and can remove the impurity in product, mention
The purity of high product.
Preferably, the mass ratio of the isopropanol, the aluminium isopropoxide and the graphene oxide is 100-20:80-5:
5-0.1.The above-mentioned preferred mass ratio of the present invention is conducive to improve yield, and promotes boehmite cladding graphene oxide
Covered effect.It is highly preferred that the mass ratio of the isopropanol, the aluminium isopropoxide and the graphene oxide is 70-30:25-
15:1。
Preferably, the temperature of the hydro-thermal reaction is 100-300 DEG C.Hydrothermal temperature preferred for this invention, favorably
In the yield and reaction rate that improve product, and then reduce production cost.It is highly preferred that the temperature of the hydro-thermal reaction is
150-220℃。
Preferably, the time of the hydro-thermal reaction is 6-48h.Comparatively, the present invention preferred hydro-thermal reaction when
Between be that product formation rate is very fast, and a period of time with higher yields.It is highly preferred that the time of the hydro-thermal reaction is
20-25h。
The present invention provides a kind of graphene oxide composite material, wherein the graphene oxide composite material includes oxidation
Graphene and the boehmite for being coated on the surface of graphene oxide.Boehmite has peptization performance good, caking property
By force, have the characteristics that specific surface height, Kong Rong great.Graphene has continuous, intensive lamellar structure, when poly- added with graphene
When conjunction object material encounters high temperature or open fire, the lamellar structure that graphene is continuous, intensive can prevent oxygen from entering material
It is internal.The excessively high heat in part can be transmitted to rapidly the rest part of material by the excellent thermal conductivity of graphene, so that heat
Dispersion is rapidly to delay the intensity of a fire to propagate.And the surface area of grapheme material is big, it is easier to which absorption generates in combustion
Organic volatile.Graphene oxide is graphene after oxidation processes, and graphite oxide still keeps the layer structure of graphite, but
Many oxygroup functional groups are introduced on each layer of graphene monolithic.Graphene oxide composite material of the present invention is a kind of
Boehmite and the integrated fire retardant of graphene oxide, can play boehmite and graphene oxide respectively advantage, from
And cooperate with the flame retarding efficiency for improving product.
The present invention also provides a kind of purposes of graphene oxide composite material as described above, wherein by the graphite oxide
Alkene composite material is used as the fire retardant of polymer material.Graphene oxide composite material of the present invention is a kind of boehmite
Graphene oxide is coated, the damage to polymer material mechanical property can be reduced, and improve graphene oxide in polymeric material
Dispersibility in material.
Technical solution of the present invention is further described below by specific embodiment.
Embodiment 1
100g isopropanol and 5g aluminium isopropoxide and 5g graphene oxide are added in deionized water；
Then, hydro-thermal reaction 48h under the conditions of 100 DEG C will obtain product washing drying, finally obtain oxidation stone after hydro-thermal reaction
Black alkene composite material.
Embodiment 2
100g isopropanol and 80g aluminium isopropoxide and 5g graphene oxide are added in deionized water；
Then, hydro-thermal reaction for 24 hours, will obtain product washing drying, finally obtain oxidation stone under the conditions of 200 DEG C after hydro-thermal reaction
Black alkene composite material.
Embodiment 3
20g isopropanol and 5g aluminium isopropoxide and 0.1g graphene oxide are added in deionized water；
Then, hydro-thermal reaction 48h under the conditions of 200 DEG C will obtain product washing drying, finally obtain oxidation stone after hydro-thermal reaction
Black alkene composite material.
Embodiment 4
20g isopropanol and 80g aluminium isopropoxide and 4g graphene oxide are added in deionized water；
Then, hydro-thermal reaction 6h under the conditions of 300 DEG C will obtain product washing drying, finally obtain oxidation stone after hydro-thermal reaction
Black alkene composite material.
Embodiment 5
60g isopropanol and 5g aluminium isopropoxide and 5g graphene oxide are added in deionized water；
Then, hydro-thermal reaction 6h under the conditions of 300 DEG C will obtain product washing drying, finally obtain oxidation stone after hydro-thermal reaction
Black alkene composite material.
Embodiment 6
40g isopropanol and 5g aluminium isopropoxide and 0.1g graphene oxide are added in deionized water；
Then, hydro-thermal reaction 48h under the conditions of 100 DEG C will obtain product washing drying, finally obtain oxidation stone after hydro-thermal reaction
Black alkene composite material.
The graphene oxide composite material being prepared is detected.
Fig. 1 be the present invention prepared by graphene oxide composite material (GO-AlOOH) and graphene oxide (GO) it is infrared
Spectrogram.As shown in figure 1 shown in the infrared spectroscopy of graphene oxide composite material, in 3281cm-1The sharp absorption peak at place is Al-O-
The asymmetric stretching vibration of H group, 3089cm-1The sharp absorption peak at place is Al-O-H group symmetrical stretching vibration；In 1063cm-1
The sharp absorption peak and 1155cm nearby occurred-1The acromion nearby occurred be Al-O-H group symmetric curvature vibration and it is asymmetric
Bending vibration, in 729cm-1Nearby occur be Al-O group distortion vibration 1620cm-1With 1464 cm-1Place is respectively to aoxidize
The absorption peak of C=C and CO-H in graphene, shows there is boehmite generation on graphene oxide.Furthermore graphite oxide is compared
The infrared spectrogram of alkene, in 1720cm-1C=O absorption peak at place disappears substantially, infers in reaction process and reduction reaction, oxygen has occurred
The part carbonyl on graphite alkene surface is restored by aluminium isopropoxide.
Fig. 2 is the XRD diagram of graphene oxide composite material prepared by the present invention.From fig. 2 it can be seen that being in 2 θ
13.933,28.332,38.477,49.214 equal positions have the characteristic diffraction peak of boehmite to occur, and baseline is more flat
Whole, peak intensity is high, and peak type is sharp, shows the boehmite advantages of good crystallization generated.
Fig. 3 is the scanning electron microscope (SEM) photograph (amplification factor 1k) of graphene oxide, and Fig. 4, Fig. 5, Fig. 6 are respectively that amplification factor is
The scanning electron microscope (SEM) photograph of graphene oxide composite material prepared by the present invention under 5k, 30k, 30k.It can by above-mentioned scanning electron microscope (SEM) photograph
To find out, compared with untreated graphene oxide, it can clearly be seen that in graphene oxide composite material of the present invention
Boehmite is completely coated on surface of graphene oxide.
It should be understood that the application of the present invention is not limited to the above for those of ordinary skills can
With improvement or transformation based on the above description, all these modifications and variations all should belong to the guarantor of appended claims of the present invention
Protect range.
Claims (10)
1. a kind of preparation method of graphene oxide composite material, which comprises the following steps:
Isopropanol, aluminium isopropoxide and graphene oxide are added in deionized water；
Then hydro-thermal reaction is carried out, graphene oxide composite material is obtained.
2. the preparation method of graphene oxide composite material according to claim 1, which is characterized in that the hydro-thermal reaction
Later further include:
The product that hydro-thermal reaction obtains is washed and dried, graphene oxide composite material is obtained.
3. the preparation method of graphene oxide composite material according to claim 1, which is characterized in that the isopropanol,
The mass ratio of the aluminium isopropoxide and the graphene oxide is 100-20:80-5:5-0.1.
4. the preparation method of graphene oxide composite material according to claim 3, which is characterized in that the isopropanol,
The mass ratio of the aluminium isopropoxide and the graphene oxide is 70-30:25-15:1.
5. the preparation method of graphene oxide composite material according to claim 1, which is characterized in that the hydro-thermal reaction
Temperature be 100-300 DEG C.
6. the preparation method of graphene oxide composite material according to claim 1, which is characterized in that the hydro-thermal reaction
Time be 6-48h.
7. the preparation method of graphene oxide composite material according to claim 5, which is characterized in that the hydro-thermal reaction
Temperature be 150-220 DEG C.
8. the preparation method of graphene oxide composite material according to claim 6, which is characterized in that the hydro-thermal reaction
Time be 20-25h.
9. a kind of graphene oxide composite material, which is characterized in that the graphene oxide composite material includes graphene oxide
With the boehmite for being coated on the surface of graphene oxide.
10. a kind of purposes of graphene oxide composite material as claimed in claim 9, which is characterized in that by the graphite oxide
Alkene composite material is used as the fire retardant of polymer material.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112645373A (en) * | 2020-12-17 | 2021-04-13 | 安徽理工大学 | Gamma-AlOOH/RGO composite wave-absorbing material and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112645373A (en) * | 2020-12-17 | 2021-04-13 | 安徽理工大学 | Gamma-AlOOH/RGO composite wave-absorbing material and preparation method thereof |
| CN112645373B (en) * | 2020-12-17 | 2023-05-02 | 安徽理工大学 | Gamma-AlOOH/RGO composite wave-absorbing material and preparation method thereof |
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| CN109337120B (en) | 2021-03-23 |
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Address after: 518117 Longgang Road, Longgang District, Shenzhen, Guangdong (No. 1001) Patentee after: Shenzhen Lihe Technology Innovation Co.,Ltd. Patentee after: Beijing University of Chemical Technology Address before: 518117 Longgang Road, Longgang District, Shenzhen, Guangdong (No. 1001) Patentee before: SHENZHEN BEAUTY STAR Co.,Ltd. Patentee before: Beijing University of Chemical Technology |
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Effective date of registration: 20220107 Address after: No. 1001, Longgang Avenue, Pingxi community, Pingdi street, Longgang District, Shenzhen, Guangdong 518000 Patentee after: Shenzhen TONGCHAN Lixing Technology Group Co.,Ltd. Patentee after: Beijing University of Chemical Technology Address before: 518117 Longgang Road, Longgang District, Shenzhen, Guangdong (No. 1001) Patentee before: Shenzhen Lihe Technology Innovation Co.,Ltd. Patentee before: Beijing University of Chemical Technology |
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