Patent
US 9,233,852METHOD OF PRODUCING HIGHLY DISPERSED GRAPHENE ORGANIC DISPERSION AND APPLICATION THEREOF
Jean-Hong CHEN
US
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US 9,233,852Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a flow chart of a method of producing a highly dispersed graphene organic dispersion according to one embodiment of the present invention. 1 0025 1
FIGS. 2c and 2d are diagrams of a transmission electron microscopy of a highly dispersed graphene organic dispersion produced according to Comparative Example …
FIGS. 3c and 3d are diagrams of a scanning electron microscopy of a graph e ne material produced according to Comparative Example I of the present invention. 1 …
FIG. 4 is a picture that a highly dispersed graphene organic dispersion produced according to Example 1 of the present invention stands at room temperature and …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method of producing highly dispersed graphene organic dispersion, comprising: providing a mixture, wherein the mixture includes a graphite material and an organic solvent, and a solids content of the mixture is 0.001 mg/ml to 10.0 mg/ml; and performing a peeling process to the mixture, wherein the peeling process includes: performing a peeling step to the mixture in a closed reaction tank at a first temperature for 10 minutes to 4 hours, so as to form a graphene solution, wherein the first temperature is more than 5 ° C to 50 ° C above a boiling point of the organic solvent; and performing a dispersing step to the graphene solution at a second temperature, so as to form the highly dispersed graphene organic dispersion, wherein the second temperature is 5 ° C to 40 ° C, and the highly dispersed graphene organic dispersion contains 75% and more of a single-layered graphene.
The method of producing the highly dispersed graphene organic dispersion of claim 1, wherein the organic solvent is selected from the group consisting of an alkene solvent, a halogenated alkene solvent having 3 to 8 carbon atoms, an aromatic solvent having 6 to 9 carbon atoms, a halogenated aromatic solvent having 6 to 9 carbon atoms and any combination thereof.
The method of producing the highly dispersed graphene organic dispersion of claim 1, wherein the mixture further includes a biphenyl compound, and based on the graphite material as 100 parts by weight, an amount of the biphenyl compound is 0 to 2 parts by weight.
The method of producing the highly dispersed graphene organic dispersion of claim 1, wherein the first temperature is higher than the boiling point of the organic solvent for 5 ° C to 30 °C.
The method of producing the highly dispersed graphene organic dispersion of claim 1, wherein the peeling step is performed for 30 minutes to 4 hours.
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Embodiments described in the patent, grouped by the materials and process steps they use.
3 materials1 process step
A mixture including a graphene material and NMP (100:0 NMP:toluene by volume) with a solids content of 0.1 mg/ml was provided. A peeling process was performed with a first temperature higher than the boiling point of NMP by 20 °C.
Materials described outside the worked examples.
organic solvent
biphenyl compound
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIGS. 2c and 2d are diagrams of a transmission electron microscopy of a highly dispersed graphene organic dispersion produced according to Comparative Example …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
light-shading rate single graphene layer | 5 % | graphene layer |
light-shading rate double graphene layer |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,233,852Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a flow chart of a method of producing a highly dispersed graphene organic dispersion according to one embodiment of the present invention. 1 0025 1
FIGS. 2c and 2d are diagrams of a transmission electron microscopy of a highly dispersed graphene organic dispersion produced according to Comparative Example …
FIGS. 3c and 3d are diagrams of a scanning electron microscopy of a graph e ne material produced according to Comparative Example I of the present invention. 1 …
FIG. 4 is a picture that a highly dispersed graphene organic dispersion produced according to Example 1 of the present invention stands at room temperature and …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method of producing highly dispersed graphene organic dispersion, comprising: providing a mixture, wherein the mixture includes a graphite material and an organic solvent, and a solids content of the mixture is 0.001 mg/ml to 10.0 mg/ml; and performing a peeling process to the mixture, wherein the peeling process includes: performing a peeling step to the mixture in a closed reaction tank at a first temperature for 10 minutes to 4 hours, so as to form a graphene solution, wherein the first temperature is more than 5 ° C to 50 ° C above a boiling point of the organic solvent; and performing a dispersing step to the graphene solution at a second temperature, so as to form the highly dispersed graphene organic dispersion, wherein the second temperature is 5 ° C to 40 ° C, and the highly dispersed graphene organic dispersion contains 75% and more of a single-layered graphene.
The method of producing the highly dispersed graphene organic dispersion of claim 1, wherein the organic solvent is selected from the group consisting of an alkene solvent, a halogenated alkene solvent having 3 to 8 carbon atoms, an aromatic solvent having 6 to 9 carbon atoms, a halogenated aromatic solvent having 6 to 9 carbon atoms and any combination thereof.
The method of producing the highly dispersed graphene organic dispersion of claim 1, wherein the mixture further includes a biphenyl compound, and based on the graphite material as 100 parts by weight, an amount of the biphenyl compound is 0 to 2 parts by weight.
The method of producing the highly dispersed graphene organic dispersion of claim 1, wherein the first temperature is higher than the boiling point of the organic solvent for 5 ° C to 30 °C.
The method of producing the highly dispersed graphene organic dispersion of claim 1, wherein the peeling step is performed for 30 minutes to 4 hours.
8-15. canceled
canceled
canceled
canceled
canceled
canceled
canceled
canceled
Embodiments described in the patent, grouped by the materials and process steps they use.
3 materials1 process step
A mixture including a graphene material and NMP (100:0 NMP:toluene by volume) with a solids content of 0.1 mg/ml was provided. A peeling process was performed with a first temperature higher than the boiling point of NMP by 20 °C.
Materials described outside the worked examples.
organic solvent
biphenyl compound
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIGS. 2c and 2d are diagrams of a transmission electron microscopy of a highly dispersed graphene organic dispersion produced according to Comparative Example …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
light-shading rate single graphene layer | 5 % | graphene layer |
light-shading rate double graphene layer |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,233,852Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a flow chart of a method of producing a highly dispersed graphene organic dispersion according to one embodiment of the present invention. 1 0025 1
FIGS. 2c and 2d are diagrams of a transmission electron microscopy of a highly dispersed graphene organic dispersion produced according to Comparative Example …
FIGS. 3c and 3d are diagrams of a scanning electron microscopy of a graph e ne material produced according to Comparative Example I of the present invention. 1 …
FIG. 4 is a picture that a highly dispersed graphene organic dispersion produced according to Example 1 of the present invention stands at room temperature and …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method of producing highly dispersed graphene organic dispersion, comprising: providing a mixture, wherein the mixture includes a graphite material and an organic solvent, and a solids content of the mixture is 0.001 mg/ml to 10.0 mg/ml; and performing a peeling process to the mixture, wherein the peeling process includes: performing a peeling step to the mixture in a closed reaction tank at a first temperature for 10 minutes to 4 hours, so as to form a graphene solution, wherein the first temperature is more than 5 ° C to 50 ° C above a boiling point of the organic solvent; and performing a dispersing step to the graphene solution at a second temperature, so as to form the highly dispersed graphene organic dispersion, wherein the second temperature is 5 ° C to 40 ° C, and the highly dispersed graphene organic dispersion contains 75% and more of a single-layered graphene.
The method of producing the highly dispersed graphene organic dispersion of claim 1, wherein the organic solvent is selected from the group consisting of an alkene solvent, a halogenated alkene solvent having 3 to 8 carbon atoms, an aromatic solvent having 6 to 9 carbon atoms, a halogenated aromatic solvent having 6 to 9 carbon atoms and any combination thereof.
The method of producing the highly dispersed graphene organic dispersion of claim 1, wherein the mixture further includes a biphenyl compound, and based on the graphite material as 100 parts by weight, an amount of the biphenyl compound is 0 to 2 parts by weight.
The method of producing the highly dispersed graphene organic dispersion of claim 1, wherein the first temperature is higher than the boiling point of the organic solvent for 5 ° C to 30 °C.
The method of producing the highly dispersed graphene organic dispersion of claim 1, wherein the peeling step is performed for 30 minutes to 4 hours.
8-15. canceled
canceled
canceled
canceled
canceled
canceled
canceled
canceled
Embodiments described in the patent, grouped by the materials and process steps they use.
3 materials1 process step
A mixture including a graphene material and NMP (100:0 NMP:toluene by volume) with a solids content of 0.1 mg/ml was provided. A peeling process was performed with a first temperature higher than the boiling point of NMP by 20 °C.
Materials described outside the worked examples.
organic solvent
biphenyl compound
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIGS. 2c and 2d are diagrams of a transmission electron microscopy of a highly dispersed graphene organic dispersion produced according to Comparative Example …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
light-shading rate single graphene layer | 5 % | graphene layer |
light-shading rate double graphene layer |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,233,852Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a flow chart of a method of producing a highly dispersed graphene organic dispersion according to one embodiment of the present invention. 1 0025 1
FIGS. 2c and 2d are diagrams of a transmission electron microscopy of a highly dispersed graphene organic dispersion produced according to Comparative Example …
FIGS. 3c and 3d are diagrams of a scanning electron microscopy of a graph e ne material produced according to Comparative Example I of the present invention. 1 …
FIG. 4 is a picture that a highly dispersed graphene organic dispersion produced according to Example 1 of the present invention stands at room temperature and …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method of producing highly dispersed graphene organic dispersion, comprising: providing a mixture, wherein the mixture includes a graphite material and an organic solvent, and a solids content of the mixture is 0.001 mg/ml to 10.0 mg/ml; and performing a peeling process to the mixture, wherein the peeling process includes: performing a peeling step to the mixture in a closed reaction tank at a first temperature for 10 minutes to 4 hours, so as to form a graphene solution, wherein the first temperature is more than 5 ° C to 50 ° C above a boiling point of the organic solvent; and performing a dispersing step to the graphene solution at a second temperature, so as to form the highly dispersed graphene organic dispersion, wherein the second temperature is 5 ° C to 40 ° C, and the highly dispersed graphene organic dispersion contains 75% and more of a single-layered graphene.
The method of producing the highly dispersed graphene organic dispersion of claim 1, wherein the organic solvent is selected from the group consisting of an alkene solvent, a halogenated alkene solvent having 3 to 8 carbon atoms, an aromatic solvent having 6 to 9 carbon atoms, a halogenated aromatic solvent having 6 to 9 carbon atoms and any combination thereof.
The method of producing the highly dispersed graphene organic dispersion of claim 1, wherein the mixture further includes a biphenyl compound, and based on the graphite material as 100 parts by weight, an amount of the biphenyl compound is 0 to 2 parts by weight.
The method of producing the highly dispersed graphene organic dispersion of claim 1, wherein the first temperature is higher than the boiling point of the organic solvent for 5 ° C to 30 °C.
The method of producing the highly dispersed graphene organic dispersion of claim 1, wherein the peeling step is performed for 30 minutes to 4 hours.
8-15. canceled
canceled
canceled
canceled
canceled
canceled
canceled
canceled
Embodiments described in the patent, grouped by the materials and process steps they use.
3 materials1 process step
A mixture including a graphene material and NMP (100:0 NMP:toluene by volume) with a solids content of 0.1 mg/ml was provided. A peeling process was performed with a first temperature higher than the boiling point of NMP by 20 °C.
Materials described outside the worked examples.
organic solvent
biphenyl compound
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIGS. 2c and 2d are diagrams of a transmission electron microscopy of a highly dispersed graphene organic dispersion produced according to Comparative Example …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
light-shading rate single graphene layer | 5 % | graphene layer |
light-shading rate double graphene layer |
Related documents with shared materials, methods, properties, or citations.
C₇H₈
single-layered graphene
graphene layer
FIGS. 3c and 3d are diagrams of a scanning electron microscopy of a graph e ne material produced according to Comparative Example I of the present invention. 1 …
| 8 % |
graphene layer |
light-shading rate graphene layer range (embodiment) | 3–15 % | graphene layer |
Thickness | 3–20 nm | — |
Duration | 600–14400 s | — |
Duration | 1800–14400 s | — |
Pressure | 0–2 pa | — |
Temperature | 5–50 °C | — |
Temperature | 5–40 °C | — |
Temperature | 5–30 °C | — |
Temperature | ≥ 5 °C | — |
C₇H₈
single-layered graphene
graphene layer
FIGS. 3c and 3d are diagrams of a scanning electron microscopy of a graph e ne material produced according to Comparative Example I of the present invention. 1 …
| 8 % |
graphene layer |
light-shading rate graphene layer range (embodiment) | 3–15 % | graphene layer |
Thickness | 3–20 nm | — |
Duration | 600–14400 s | — |
Duration | 1800–14400 s | — |
Pressure | 0–2 pa | — |
Temperature | 5–50 °C | — |
Temperature | 5–40 °C | — |
Temperature | 5–30 °C | — |
Temperature | ≥ 5 °C | — |
C₇H₈
single-layered graphene
graphene layer
FIGS. 3c and 3d are diagrams of a scanning electron microscopy of a graph e ne material produced according to Comparative Example I of the present invention. 1 …
| 8 % |
graphene layer |
light-shading rate graphene layer range (embodiment) | 3–15 % | graphene layer |
Thickness | 3–20 nm | — |
Duration | 600–14400 s | — |
Duration | 1800–14400 s | — |
Pressure | 0–2 pa | — |
Temperature | 5–50 °C | — |
Temperature | 5–40 °C | — |
Temperature | 5–30 °C | — |
Temperature | ≥ 5 °C | — |
C₇H₈
single-layered graphene
graphene layer
FIGS. 3c and 3d are diagrams of a scanning electron microscopy of a graph e ne material produced according to Comparative Example I of the present invention. 1 …
| 8 % |
graphene layer |
light-shading rate graphene layer range (embodiment) | 3–15 % | graphene layer |
Thickness | 3–20 nm | — |
Duration | 600–14400 s | — |
Duration | 1800–14400 s | — |
Pressure | 0–2 pa | — |
Temperature | 5–50 °C | — |
Temperature | 5–40 °C | — |
Temperature | 5–30 °C | — |
Temperature | ≥ 5 °C | — |