Patent
US 10,934,171FUNCTIONALIZED GRAPHENE COMPRISING TWO OR MORE TYPES OF AMINES, AND PREPARATION METHOD THEREFOR
Sunchan Park
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 10,934,171Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a drawing illustrating a preparation example (a) of a functionalized graphene according to the present invention and productions (b, c) using the …
FIG. 2 shows the structural formula of a conventional functionalized graphene. [0015]
FIG. 3 shows a reaction scheme to prepare a conventional functionalized graphene. [0016]
FIG. 4 and
FIG. 5 show the structural formulas of functionalized graphenes in accordance with embodiments of the present invention.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A functionalized graphene with an amine group comprising: a carbon material selected from a group consisting of graphene, reduced graphene, graphene oxide, and mixture thereof; and a monovalent amine group and a bivalent or higher amine group which are bonded to the carbon material.
The functionalized graphene according to Claim 1, wherein the amount of the carbon material is 85 to 99.9 wt% and the amount of amine group is 0.1 to 15 wt%.
The functionalized graphene according to Claim 1, wherein the molar ratio of the monovalent amine group and the bivalent or higher amine group is 1:9 to 9:1.
The functionalized graphene according to Claim 1, wherein the monovalent amine group and the bivalent or higher amine group are bonded to different position of the carbon material.
The functionalized graphene according to Claim 1, wherein the monovalent amine group is monovalent amine having 1 to 40 carbon atoms and the bivalent or higher amine group is bivalent or higher amine having 1 to 40 carbon atoms.
The functionalized graphene according to Claim 1, wherein the monovalent amine group is selected from the group consisting of n-butylamine, cyclohexylamine, n-hexylamine, phenylpropylamine, phenylbutylamine, octadecylamine, dodecylamine and mixtures thereof, and the bivalent or higher amine group is selected from the group consisting of n-diaminocyclohexane, n-diaminobutane, n- hexyldiamine, p-phenyldiamine, ethylenediamine, diaminododecane, 3,4-dimethyl- benzene- 1,2-diamine, and mixtures thereof.7. The functionalized graphene according to Claim 1, wherein the monovalent amine group is chain alkylamine group having 3 to 18 carbon atoms and the bivalent or higher amine group is cyclic alkylamine group having 6 to 15 carbon atoms.
A graphene composition comprising functionalized graphene according to claim 1.
A method for preparing a functionalized graphene comprising the steps of: mixing a carbon material and a first solvent to prepare a carbon material dispersion, the carbon material being selected from a group consisting of graphene, reduced graphene, graphene oxide and mixture thereof; and adding to the carbon material dispersion an amine solution in which a first amine compound having a monovalent amine group, a second amine compound having a bivalent or higher amine group and a second solvent are mixed, to chemically bond the amine group to the carbon material.
The method according to Claim 8, wherein in the carbon material dispersion the amount of the carbon material is 0.1 to 30 wt% and the amount of the first solvent is 70 to 99.9 wt%, and in the amine solution the first amine compound is an amine compound having 1 to 40 carbon atoms, the second amine compound is an amine compound having 1 to 40 carbon atoms, the amount of the first and second amine compounds is 0.01 to wt% with respect to the total amount of the amine solution, and the ratio of the first and second amine compounds is 1: 9 to 9: 1, and the amount of the second solvent is 95 to 99.9 wt%, and the amount of the amine solution added is of 5 to 20 parts by weight with respect to 100 parts by weight of the carbon material dispersion.
The method according to Claim 8, wherein the hydrophobicity and hydrophilicity of the functionalized graphene are controlled by controlling amount of the amine group.
A graphene composite comprising functionalized graphene according to claim
The graphene composite according to Claim 14, further comprising thermoplastic resin or thermosetting resin. What is claimed is:
A functionalized graphene with an amine group comprising: a carbon material selected from a group consisting of graphene, reduced graphene, graphene oxide, and mixture thereof; and a monovalent amine group and a bivalent or higher material, wherein the bivalent or higher amine carbon atoms. New amine group which are bonded to the carbon group is cyclic alkylamine group having 6 to
Materials described outside the worked examples.
graphene
reduced graphene
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Duration | 12–36 hours | — |
Duration |
Table 1
SVG
The results are shown in Table 1 below.
p. 14
Table 2
alyzed by XPS (X-ray photoelectron spectroscopy, VG Microtech ESCA₂₀₀₀), and the results thereof are shown in Table 2 below in which N 1 S peaks were observed, thereby confirming
p. 15
Table 3
SVG 15822795.
p. 16
Table 4
SVG
SVG 15822795.
p. 16
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US 10,934,171Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a drawing illustrating a preparation example (a) of a functionalized graphene according to the present invention and productions (b, c) using the …
FIG. 2 shows the structural formula of a conventional functionalized graphene. [0015]
FIG. 3 shows a reaction scheme to prepare a conventional functionalized graphene. [0016]
FIG. 4 and
FIG. 5 show the structural formulas of functionalized graphenes in accordance with embodiments of the present invention.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A functionalized graphene with an amine group comprising: a carbon material selected from a group consisting of graphene, reduced graphene, graphene oxide, and mixture thereof; and a monovalent amine group and a bivalent or higher amine group which are bonded to the carbon material.
The functionalized graphene according to Claim 1, wherein the amount of the carbon material is 85 to 99.9 wt% and the amount of amine group is 0.1 to 15 wt%.
The functionalized graphene according to Claim 1, wherein the molar ratio of the monovalent amine group and the bivalent or higher amine group is 1:9 to 9:1.
The functionalized graphene according to Claim 1, wherein the monovalent amine group and the bivalent or higher amine group are bonded to different position of the carbon material.
The functionalized graphene according to Claim 1, wherein the monovalent amine group is monovalent amine having 1 to 40 carbon atoms and the bivalent or higher amine group is bivalent or higher amine having 1 to 40 carbon atoms.
The functionalized graphene according to Claim 1, wherein the monovalent amine group is selected from the group consisting of n-butylamine, cyclohexylamine, n-hexylamine, phenylpropylamine, phenylbutylamine, octadecylamine, dodecylamine and mixtures thereof, and the bivalent or higher amine group is selected from the group consisting of n-diaminocyclohexane, n-diaminobutane, n- hexyldiamine, p-phenyldiamine, ethylenediamine, diaminododecane, 3,4-dimethyl- benzene- 1,2-diamine, and mixtures thereof.7. The functionalized graphene according to Claim 1, wherein the monovalent amine group is chain alkylamine group having 3 to 18 carbon atoms and the bivalent or higher amine group is cyclic alkylamine group having 6 to 15 carbon atoms.
A graphene composition comprising functionalized graphene according to claim 1.
A method for preparing a functionalized graphene comprising the steps of: mixing a carbon material and a first solvent to prepare a carbon material dispersion, the carbon material being selected from a group consisting of graphene, reduced graphene, graphene oxide and mixture thereof; and adding to the carbon material dispersion an amine solution in which a first amine compound having a monovalent amine group, a second amine compound having a bivalent or higher amine group and a second solvent are mixed, to chemically bond the amine group to the carbon material.
The method according to Claim 8, wherein in the carbon material dispersion the amount of the carbon material is 0.1 to 30 wt% and the amount of the first solvent is 70 to 99.9 wt%, and in the amine solution the first amine compound is an amine compound having 1 to 40 carbon atoms, the second amine compound is an amine compound having 1 to 40 carbon atoms, the amount of the first and second amine compounds is 0.01 to wt% with respect to the total amount of the amine solution, and the ratio of the first and second amine compounds is 1: 9 to 9: 1, and the amount of the second solvent is 95 to 99.9 wt%, and the amount of the amine solution added is of 5 to 20 parts by weight with respect to 100 parts by weight of the carbon material dispersion.
The method according to Claim 8, wherein the hydrophobicity and hydrophilicity of the functionalized graphene are controlled by controlling amount of the amine group.
A graphene composite comprising functionalized graphene according to claim
The graphene composite according to Claim 14, further comprising thermoplastic resin or thermosetting resin. What is claimed is:
A functionalized graphene with an amine group comprising: a carbon material selected from a group consisting of graphene, reduced graphene, graphene oxide, and mixture thereof; and a monovalent amine group and a bivalent or higher material, wherein the bivalent or higher amine carbon atoms. New amine group which are bonded to the carbon group is cyclic alkylamine group having 6 to
Materials described outside the worked examples.
graphene
reduced graphene
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Duration | 12–36 hours | — |
Duration |
Table 1
SVG
The results are shown in Table 1 below.
p. 14
Table 2
alyzed by XPS (X-ray photoelectron spectroscopy, VG Microtech ESCA₂₀₀₀), and the results thereof are shown in Table 2 below in which N 1 S peaks were observed, thereby confirming
p. 15
Table 3
SVG 15822795.
p. 16
Table 4
SVG
SVG 15822795.
p. 16
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GRAPHENE DERIVATIVES, TRANSPARENT CONDUCTIVE FILMS, ORGANIC ELECTROLUMINESCENT DEVICES, METHODS OF PREPARING THE GRAPHENE DERIVATIVES AND METHODS OF PREPARING ANODE LAYERS OF THE DEVICES
Graphene-containing composite material, preparation method and use thereof
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Atlas literature
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US 10,934,171Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a drawing illustrating a preparation example (a) of a functionalized graphene according to the present invention and productions (b, c) using the …
FIG. 2 shows the structural formula of a conventional functionalized graphene. [0015]
FIG. 3 shows a reaction scheme to prepare a conventional functionalized graphene. [0016]
FIG. 4 and
FIG. 5 show the structural formulas of functionalized graphenes in accordance with embodiments of the present invention.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A functionalized graphene with an amine group comprising: a carbon material selected from a group consisting of graphene, reduced graphene, graphene oxide, and mixture thereof; and a monovalent amine group and a bivalent or higher amine group which are bonded to the carbon material.
The functionalized graphene according to Claim 1, wherein the amount of the carbon material is 85 to 99.9 wt% and the amount of amine group is 0.1 to 15 wt%.
The functionalized graphene according to Claim 1, wherein the molar ratio of the monovalent amine group and the bivalent or higher amine group is 1:9 to 9:1.
The functionalized graphene according to Claim 1, wherein the monovalent amine group and the bivalent or higher amine group are bonded to different position of the carbon material.
The functionalized graphene according to Claim 1, wherein the monovalent amine group is monovalent amine having 1 to 40 carbon atoms and the bivalent or higher amine group is bivalent or higher amine having 1 to 40 carbon atoms.
The functionalized graphene according to Claim 1, wherein the monovalent amine group is selected from the group consisting of n-butylamine, cyclohexylamine, n-hexylamine, phenylpropylamine, phenylbutylamine, octadecylamine, dodecylamine and mixtures thereof, and the bivalent or higher amine group is selected from the group consisting of n-diaminocyclohexane, n-diaminobutane, n- hexyldiamine, p-phenyldiamine, ethylenediamine, diaminododecane, 3,4-dimethyl- benzene- 1,2-diamine, and mixtures thereof.7. The functionalized graphene according to Claim 1, wherein the monovalent amine group is chain alkylamine group having 3 to 18 carbon atoms and the bivalent or higher amine group is cyclic alkylamine group having 6 to 15 carbon atoms.
A graphene composition comprising functionalized graphene according to claim 1.
A method for preparing a functionalized graphene comprising the steps of: mixing a carbon material and a first solvent to prepare a carbon material dispersion, the carbon material being selected from a group consisting of graphene, reduced graphene, graphene oxide and mixture thereof; and adding to the carbon material dispersion an amine solution in which a first amine compound having a monovalent amine group, a second amine compound having a bivalent or higher amine group and a second solvent are mixed, to chemically bond the amine group to the carbon material.
The method according to Claim 8, wherein in the carbon material dispersion the amount of the carbon material is 0.1 to 30 wt% and the amount of the first solvent is 70 to 99.9 wt%, and in the amine solution the first amine compound is an amine compound having 1 to 40 carbon atoms, the second amine compound is an amine compound having 1 to 40 carbon atoms, the amount of the first and second amine compounds is 0.01 to wt% with respect to the total amount of the amine solution, and the ratio of the first and second amine compounds is 1: 9 to 9: 1, and the amount of the second solvent is 95 to 99.9 wt%, and the amount of the amine solution added is of 5 to 20 parts by weight with respect to 100 parts by weight of the carbon material dispersion.
The method according to Claim 8, wherein the hydrophobicity and hydrophilicity of the functionalized graphene are controlled by controlling amount of the amine group.
A graphene composite comprising functionalized graphene according to claim
The graphene composite according to Claim 14, further comprising thermoplastic resin or thermosetting resin. What is claimed is:
A functionalized graphene with an amine group comprising: a carbon material selected from a group consisting of graphene, reduced graphene, graphene oxide, and mixture thereof; and a monovalent amine group and a bivalent or higher material, wherein the bivalent or higher amine carbon atoms. New amine group which are bonded to the carbon group is cyclic alkylamine group having 6 to
Materials described outside the worked examples.
graphene
reduced graphene
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Duration | 12–36 hours | — |
Duration |
Table 1
SVG
The results are shown in Table 1 below.
p. 14
Table 2
alyzed by XPS (X-ray photoelectron spectroscopy, VG Microtech ESCA₂₀₀₀), and the results thereof are shown in Table 2 below in which N 1 S peaks were observed, thereby confirming
p. 15
Table 3
SVG 15822795.
p. 16
Table 4
SVG
SVG 15822795.
p. 16
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GRAPHENE DERIVATIVES, TRANSPARENT CONDUCTIVE FILMS, ORGANIC ELECTROLUMINESCENT DEVICES, METHODS OF PREPARING THE GRAPHENE DERIVATIVES AND METHODS OF PREPARING ANODE LAYERS OF THE DEVICES
Graphene-containing composite material, preparation method and use thereof
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Atlas literature
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US 10,934,171Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a drawing illustrating a preparation example (a) of a functionalized graphene according to the present invention and productions (b, c) using the …
FIG. 2 shows the structural formula of a conventional functionalized graphene. [0015]
FIG. 3 shows a reaction scheme to prepare a conventional functionalized graphene. [0016]
FIG. 4 and
FIG. 5 show the structural formulas of functionalized graphenes in accordance with embodiments of the present invention.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A functionalized graphene with an amine group comprising: a carbon material selected from a group consisting of graphene, reduced graphene, graphene oxide, and mixture thereof; and a monovalent amine group and a bivalent or higher amine group which are bonded to the carbon material.
The functionalized graphene according to Claim 1, wherein the amount of the carbon material is 85 to 99.9 wt% and the amount of amine group is 0.1 to 15 wt%.
The functionalized graphene according to Claim 1, wherein the molar ratio of the monovalent amine group and the bivalent or higher amine group is 1:9 to 9:1.
The functionalized graphene according to Claim 1, wherein the monovalent amine group and the bivalent or higher amine group are bonded to different position of the carbon material.
The functionalized graphene according to Claim 1, wherein the monovalent amine group is monovalent amine having 1 to 40 carbon atoms and the bivalent or higher amine group is bivalent or higher amine having 1 to 40 carbon atoms.
The functionalized graphene according to Claim 1, wherein the monovalent amine group is selected from the group consisting of n-butylamine, cyclohexylamine, n-hexylamine, phenylpropylamine, phenylbutylamine, octadecylamine, dodecylamine and mixtures thereof, and the bivalent or higher amine group is selected from the group consisting of n-diaminocyclohexane, n-diaminobutane, n- hexyldiamine, p-phenyldiamine, ethylenediamine, diaminododecane, 3,4-dimethyl- benzene- 1,2-diamine, and mixtures thereof.7. The functionalized graphene according to Claim 1, wherein the monovalent amine group is chain alkylamine group having 3 to 18 carbon atoms and the bivalent or higher amine group is cyclic alkylamine group having 6 to 15 carbon atoms.
A graphene composition comprising functionalized graphene according to claim 1.
A method for preparing a functionalized graphene comprising the steps of: mixing a carbon material and a first solvent to prepare a carbon material dispersion, the carbon material being selected from a group consisting of graphene, reduced graphene, graphene oxide and mixture thereof; and adding to the carbon material dispersion an amine solution in which a first amine compound having a monovalent amine group, a second amine compound having a bivalent or higher amine group and a second solvent are mixed, to chemically bond the amine group to the carbon material.
The method according to Claim 8, wherein in the carbon material dispersion the amount of the carbon material is 0.1 to 30 wt% and the amount of the first solvent is 70 to 99.9 wt%, and in the amine solution the first amine compound is an amine compound having 1 to 40 carbon atoms, the second amine compound is an amine compound having 1 to 40 carbon atoms, the amount of the first and second amine compounds is 0.01 to wt% with respect to the total amount of the amine solution, and the ratio of the first and second amine compounds is 1: 9 to 9: 1, and the amount of the second solvent is 95 to 99.9 wt%, and the amount of the amine solution added is of 5 to 20 parts by weight with respect to 100 parts by weight of the carbon material dispersion.
The method according to Claim 8, wherein the hydrophobicity and hydrophilicity of the functionalized graphene are controlled by controlling amount of the amine group.
A graphene composite comprising functionalized graphene according to claim
The graphene composite according to Claim 14, further comprising thermoplastic resin or thermosetting resin. What is claimed is:
A functionalized graphene with an amine group comprising: a carbon material selected from a group consisting of graphene, reduced graphene, graphene oxide, and mixture thereof; and a monovalent amine group and a bivalent or higher material, wherein the bivalent or higher amine carbon atoms. New amine group which are bonded to the carbon group is cyclic alkylamine group having 6 to
Materials described outside the worked examples.
graphene
reduced graphene
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Duration | 12–36 hours | — |
Duration |
Table 1
SVG
The results are shown in Table 1 below.
p. 14
Table 2
alyzed by XPS (X-ray photoelectron spectroscopy, VG Microtech ESCA₂₀₀₀), and the results thereof are shown in Table 2 below in which N 1 S peaks were observed, thereby confirming
p. 15
Table 3
SVG 15822795.
p. 16
Table 4
SVG
SVG 15822795.
p. 16
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GRAPHENE DERIVATIVES, TRANSPARENT CONDUCTIVE FILMS, ORGANIC ELECTROLUMINESCENT DEVICES, METHODS OF PREPARING THE GRAPHENE DERIVATIVES AND METHODS OF PREPARING ANODE LAYERS OF THE DEVICES
Graphene-containing composite material, preparation method and use thereof
graphene oxide
monovalent amine group
bivalent or higher amine group
n-butylamine
cyclohexylamine
n-hexylamine
phenylpropylamine
phenylbutylamine
octadecylamine
dodecylamine
n-diaminocyclohexane
n-diaminobutane
n-hexyldiamine
p-phenyldiamine
ethylenediamine
H₂N-CH₂-CH₂-NH₂
diaminododecane
3,4-dimethyl-benzene-1,2-diamine
functionalized graphene with monovalent and bivalent or higher amine groups
| 20–30 hours |
| — |
Pressure | 5–20 pa | — |
Pressure | 7–15 pa | — |
Duration | ≥ 10 hours | — |
Table 5
The results are shown in Table 5 below.
p. 16
Tethering of Cofactors on Graphene-like Materials
graphene oxide
monovalent amine group
bivalent or higher amine group
n-butylamine
cyclohexylamine
n-hexylamine
phenylpropylamine
phenylbutylamine
octadecylamine
dodecylamine
n-diaminocyclohexane
n-diaminobutane
n-hexyldiamine
p-phenyldiamine
ethylenediamine
H₂N-CH₂-CH₂-NH₂
diaminododecane
3,4-dimethyl-benzene-1,2-diamine
functionalized graphene with monovalent and bivalent or higher amine groups
| 20–30 hours |
| — |
Pressure | 5–20 pa | — |
Pressure | 7–15 pa | — |
Duration | ≥ 10 hours | — |
Table 5
The results are shown in Table 5 below.
p. 16
Tethering of Cofactors on Graphene-like Materials
graphene oxide
monovalent amine group
bivalent or higher amine group
n-butylamine
cyclohexylamine
n-hexylamine
phenylpropylamine
phenylbutylamine
octadecylamine
dodecylamine
n-diaminocyclohexane
n-diaminobutane
n-hexyldiamine
p-phenyldiamine
ethylenediamine
H₂N-CH₂-CH₂-NH₂
diaminododecane
3,4-dimethyl-benzene-1,2-diamine
functionalized graphene with monovalent and bivalent or higher amine groups
| 20–30 hours |
| — |
Pressure | 5–20 pa | — |
Pressure | 7–15 pa | — |
Duration | ≥ 10 hours | — |
Table 5
The results are shown in Table 5 below.
p. 16
Tethering of Cofactors on Graphene-like Materials
graphene oxide
monovalent amine group
bivalent or higher amine group
n-butylamine
cyclohexylamine
n-hexylamine
phenylpropylamine
phenylbutylamine
octadecylamine
dodecylamine
n-diaminocyclohexane
n-diaminobutane
n-hexyldiamine
p-phenyldiamine
ethylenediamine
H₂N-CH₂-CH₂-NH₂
diaminododecane
3,4-dimethyl-benzene-1,2-diamine
functionalized graphene with monovalent and bivalent or higher amine groups
| 20–30 hours |
| — |
Pressure | 5–20 pa | — |
Pressure | 7–15 pa | — |
Duration | ≥ 10 hours | — |
Table 5
The results are shown in Table 5 below.
p. 16