Patent
US 10,427,942GRAPHENE DISPERSION PASTES, METHODS OF PREPARING AND USING THE SAME
Mark Y. WU
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 10,427,942Patent drawings and their descriptions. Click a drawing to enlarge it.
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 preparing a graphene dispersion paste, comprising: mixing and stirring graphene sheets, a so l vent and a polymer to form a pseudo-plastic non-Newtonian fluid, wherein each of the graphene sheets is consisting of 2 to 30 stacked graphene layers, and has a bulk density in a range from 0.005 to 0.05 g/cm 3, a thickness in a range from 0.68 to 10 n m, and a lateral size in a range from 1 to 100 m; and applying a pressure not less than 10 bar to the pseudo-plastic nonNewtonian fluid, allowing the pseudo-plastic non-Newtonian fluid pass through a slit of a clearance not greater than 1,000 p m at least two times, then forming a graphene dispersion paste, wherein a viscosity of the pseudo-plastic non-Newtonian fluid passing through the slit is in a range from 10 to 10,000 e ps, and a viscosity of the graphene dispersion paste is in a range from 50,000 to 350,000 e ps. Currently amended
The method of preparing the graphene dispersion paste according to claim 1, wherein the graphene sheets account for 0.05 to 20 wt% of total weight of the pseudo-plastic non-Newtonian fluid. Currently amended
The method of preparing the graphene dispersion paste according to claim 1, wherein each surface of the graphene sheets has a functional group represented by Rx-R'y, R is selected from a group consisting of be n zene ring, pyridine and triazine, R' is selected from a group consisting of amino, alkoxyl, car b onyl, carboxyl, acyloxyl, amido, alkoxylene, dimethylamino and alkoxylenecarboxyl, 1 x 4, and 1:y6. Currently amended
The method of preparing the graphene dispersion paste according to claim 1, wherein the pressure is sequentially increased in a range from 10 to 30 bar, and the clearance of the slit is sequentially decreased in a range from 1000 to 10 p m at the same time. Currently amended
The method of preparing the graphene dispersion paste according to claim 1, further comprising: heating the graphene dispersion paste at a temperature in a range from 30 to 200 ° C, reducing the viscosity of the graphene dispersion paste from 50,000 to 10,000 c ps, discharging bu b bles in the graphene dispersion paste of reduced viscosity by centrifugal force. and increasing the viscosity of the graphene dispersion paste not less than 50.000 e ps. Currently amended
A method of using a graphene dispersion paste, comprising: preparing a graphene dispersion paste according to the method f claim 1, the graphene dispersion paste having c a grind fineness not greater than 20 p m, and comprising the graphene sheets, [[a]]the solvent and a first polymer r. s.; diluting the graphene dispersion paste to form a graphene dispersion solution of a viscosity not greater than 50,000 c ps; applying the graphene dispersion solution to a substrate, allowing the graphene sheets dispersedly descend over a surface of the substrate; and curing the graphene dispersion solution, allowing the graphene sheets adhered to the surface of the substrate by the first polymer. Currently amended
A graphene dispersion paste, having a viscosity in a range from 50,000 to 350,000 c ps and a grind fineness not greater than 20 m, and comprising: graphene sheets, a solvent and a first polymer, wherein the graphene sheets accounts for 0.05 to 20 wt% of total weight of the graphene dispersion paste, and each of the graphene sheets has a bulk density in a range from 0.005 to 0.05 g/cm 3, a thickness in a range from 0.68 to 10 nm, and a lateral size in a range from 1 to 100 ptm. Currently amended
The graphene dispersion paste according to claim 6, wherein each surface of the graphene sheets has a functional group represented by Rx -R' y, R is selected from a group consisting of benzene ring, pyridine and triazine, R' is selected from a group consisting of amino, alkoxyl, carbonyl, carboxyl, acyloxyl, amido, alkoxylene, dimethylamino and alkoxylenecarboxyl, 1 x 4, and 1 y:6. Currently amended
Materials described outside the worked examples.
graphene sheets
solvent
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
viscosity of graphene dispersion paste | 50000–350000 cps | graphene dispersion paste |
grind fineness of graphene dispersion paste | ≤ 20 μm |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,427,942Patent drawings and their descriptions. Click a drawing to enlarge it.
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 preparing a graphene dispersion paste, comprising: mixing and stirring graphene sheets, a so l vent and a polymer to form a pseudo-plastic non-Newtonian fluid, wherein each of the graphene sheets is consisting of 2 to 30 stacked graphene layers, and has a bulk density in a range from 0.005 to 0.05 g/cm 3, a thickness in a range from 0.68 to 10 n m, and a lateral size in a range from 1 to 100 m; and applying a pressure not less than 10 bar to the pseudo-plastic nonNewtonian fluid, allowing the pseudo-plastic non-Newtonian fluid pass through a slit of a clearance not greater than 1,000 p m at least two times, then forming a graphene dispersion paste, wherein a viscosity of the pseudo-plastic non-Newtonian fluid passing through the slit is in a range from 10 to 10,000 e ps, and a viscosity of the graphene dispersion paste is in a range from 50,000 to 350,000 e ps. Currently amended
The method of preparing the graphene dispersion paste according to claim 1, wherein the graphene sheets account for 0.05 to 20 wt% of total weight of the pseudo-plastic non-Newtonian fluid. Currently amended
The method of preparing the graphene dispersion paste according to claim 1, wherein each surface of the graphene sheets has a functional group represented by Rx-R'y, R is selected from a group consisting of be n zene ring, pyridine and triazine, R' is selected from a group consisting of amino, alkoxyl, car b onyl, carboxyl, acyloxyl, amido, alkoxylene, dimethylamino and alkoxylenecarboxyl, 1 x 4, and 1:y6. Currently amended
The method of preparing the graphene dispersion paste according to claim 1, wherein the pressure is sequentially increased in a range from 10 to 30 bar, and the clearance of the slit is sequentially decreased in a range from 1000 to 10 p m at the same time. Currently amended
The method of preparing the graphene dispersion paste according to claim 1, further comprising: heating the graphene dispersion paste at a temperature in a range from 30 to 200 ° C, reducing the viscosity of the graphene dispersion paste from 50,000 to 10,000 c ps, discharging bu b bles in the graphene dispersion paste of reduced viscosity by centrifugal force. and increasing the viscosity of the graphene dispersion paste not less than 50.000 e ps. Currently amended
A method of using a graphene dispersion paste, comprising: preparing a graphene dispersion paste according to the method f claim 1, the graphene dispersion paste having c a grind fineness not greater than 20 p m, and comprising the graphene sheets, [[a]]the solvent and a first polymer r. s.; diluting the graphene dispersion paste to form a graphene dispersion solution of a viscosity not greater than 50,000 c ps; applying the graphene dispersion solution to a substrate, allowing the graphene sheets dispersedly descend over a surface of the substrate; and curing the graphene dispersion solution, allowing the graphene sheets adhered to the surface of the substrate by the first polymer. Currently amended
A graphene dispersion paste, having a viscosity in a range from 50,000 to 350,000 c ps and a grind fineness not greater than 20 m, and comprising: graphene sheets, a solvent and a first polymer, wherein the graphene sheets accounts for 0.05 to 20 wt% of total weight of the graphene dispersion paste, and each of the graphene sheets has a bulk density in a range from 0.005 to 0.05 g/cm 3, a thickness in a range from 0.68 to 10 nm, and a lateral size in a range from 1 to 100 ptm. Currently amended
The graphene dispersion paste according to claim 6, wherein each surface of the graphene sheets has a functional group represented by Rx -R' y, R is selected from a group consisting of benzene ring, pyridine and triazine, R' is selected from a group consisting of amino, alkoxyl, carbonyl, carboxyl, acyloxyl, amido, alkoxylene, dimethylamino and alkoxylenecarboxyl, 1 x 4, and 1 y:6. Currently amended
Materials described outside the worked examples.
graphene sheets
solvent
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
viscosity of graphene dispersion paste | 50000–350000 cps | graphene dispersion paste |
grind fineness of graphene dispersion paste | ≤ 20 μm |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,427,942Patent drawings and their descriptions. Click a drawing to enlarge it.
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 preparing a graphene dispersion paste, comprising: mixing and stirring graphene sheets, a so l vent and a polymer to form a pseudo-plastic non-Newtonian fluid, wherein each of the graphene sheets is consisting of 2 to 30 stacked graphene layers, and has a bulk density in a range from 0.005 to 0.05 g/cm 3, a thickness in a range from 0.68 to 10 n m, and a lateral size in a range from 1 to 100 m; and applying a pressure not less than 10 bar to the pseudo-plastic nonNewtonian fluid, allowing the pseudo-plastic non-Newtonian fluid pass through a slit of a clearance not greater than 1,000 p m at least two times, then forming a graphene dispersion paste, wherein a viscosity of the pseudo-plastic non-Newtonian fluid passing through the slit is in a range from 10 to 10,000 e ps, and a viscosity of the graphene dispersion paste is in a range from 50,000 to 350,000 e ps. Currently amended
The method of preparing the graphene dispersion paste according to claim 1, wherein the graphene sheets account for 0.05 to 20 wt% of total weight of the pseudo-plastic non-Newtonian fluid. Currently amended
The method of preparing the graphene dispersion paste according to claim 1, wherein each surface of the graphene sheets has a functional group represented by Rx-R'y, R is selected from a group consisting of be n zene ring, pyridine and triazine, R' is selected from a group consisting of amino, alkoxyl, car b onyl, carboxyl, acyloxyl, amido, alkoxylene, dimethylamino and alkoxylenecarboxyl, 1 x 4, and 1:y6. Currently amended
The method of preparing the graphene dispersion paste according to claim 1, wherein the pressure is sequentially increased in a range from 10 to 30 bar, and the clearance of the slit is sequentially decreased in a range from 1000 to 10 p m at the same time. Currently amended
The method of preparing the graphene dispersion paste according to claim 1, further comprising: heating the graphene dispersion paste at a temperature in a range from 30 to 200 ° C, reducing the viscosity of the graphene dispersion paste from 50,000 to 10,000 c ps, discharging bu b bles in the graphene dispersion paste of reduced viscosity by centrifugal force. and increasing the viscosity of the graphene dispersion paste not less than 50.000 e ps. Currently amended
A method of using a graphene dispersion paste, comprising: preparing a graphene dispersion paste according to the method f claim 1, the graphene dispersion paste having c a grind fineness not greater than 20 p m, and comprising the graphene sheets, [[a]]the solvent and a first polymer r. s.; diluting the graphene dispersion paste to form a graphene dispersion solution of a viscosity not greater than 50,000 c ps; applying the graphene dispersion solution to a substrate, allowing the graphene sheets dispersedly descend over a surface of the substrate; and curing the graphene dispersion solution, allowing the graphene sheets adhered to the surface of the substrate by the first polymer. Currently amended
A graphene dispersion paste, having a viscosity in a range from 50,000 to 350,000 c ps and a grind fineness not greater than 20 m, and comprising: graphene sheets, a solvent and a first polymer, wherein the graphene sheets accounts for 0.05 to 20 wt% of total weight of the graphene dispersion paste, and each of the graphene sheets has a bulk density in a range from 0.005 to 0.05 g/cm 3, a thickness in a range from 0.68 to 10 nm, and a lateral size in a range from 1 to 100 ptm. Currently amended
The graphene dispersion paste according to claim 6, wherein each surface of the graphene sheets has a functional group represented by Rx -R' y, R is selected from a group consisting of benzene ring, pyridine and triazine, R' is selected from a group consisting of amino, alkoxyl, carbonyl, carboxyl, acyloxyl, amido, alkoxylene, dimethylamino and alkoxylenecarboxyl, 1 x 4, and 1 y:6. Currently amended
Materials described outside the worked examples.
graphene sheets
solvent
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
viscosity of graphene dispersion paste | 50000–350000 cps | graphene dispersion paste |
grind fineness of graphene dispersion paste | ≤ 20 μm |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,427,942Patent drawings and their descriptions. Click a drawing to enlarge it.
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 preparing a graphene dispersion paste, comprising: mixing and stirring graphene sheets, a so l vent and a polymer to form a pseudo-plastic non-Newtonian fluid, wherein each of the graphene sheets is consisting of 2 to 30 stacked graphene layers, and has a bulk density in a range from 0.005 to 0.05 g/cm 3, a thickness in a range from 0.68 to 10 n m, and a lateral size in a range from 1 to 100 m; and applying a pressure not less than 10 bar to the pseudo-plastic nonNewtonian fluid, allowing the pseudo-plastic non-Newtonian fluid pass through a slit of a clearance not greater than 1,000 p m at least two times, then forming a graphene dispersion paste, wherein a viscosity of the pseudo-plastic non-Newtonian fluid passing through the slit is in a range from 10 to 10,000 e ps, and a viscosity of the graphene dispersion paste is in a range from 50,000 to 350,000 e ps. Currently amended
The method of preparing the graphene dispersion paste according to claim 1, wherein the graphene sheets account for 0.05 to 20 wt% of total weight of the pseudo-plastic non-Newtonian fluid. Currently amended
The method of preparing the graphene dispersion paste according to claim 1, wherein each surface of the graphene sheets has a functional group represented by Rx-R'y, R is selected from a group consisting of be n zene ring, pyridine and triazine, R' is selected from a group consisting of amino, alkoxyl, car b onyl, carboxyl, acyloxyl, amido, alkoxylene, dimethylamino and alkoxylenecarboxyl, 1 x 4, and 1:y6. Currently amended
The method of preparing the graphene dispersion paste according to claim 1, wherein the pressure is sequentially increased in a range from 10 to 30 bar, and the clearance of the slit is sequentially decreased in a range from 1000 to 10 p m at the same time. Currently amended
The method of preparing the graphene dispersion paste according to claim 1, further comprising: heating the graphene dispersion paste at a temperature in a range from 30 to 200 ° C, reducing the viscosity of the graphene dispersion paste from 50,000 to 10,000 c ps, discharging bu b bles in the graphene dispersion paste of reduced viscosity by centrifugal force. and increasing the viscosity of the graphene dispersion paste not less than 50.000 e ps. Currently amended
A method of using a graphene dispersion paste, comprising: preparing a graphene dispersion paste according to the method f claim 1, the graphene dispersion paste having c a grind fineness not greater than 20 p m, and comprising the graphene sheets, [[a]]the solvent and a first polymer r. s.; diluting the graphene dispersion paste to form a graphene dispersion solution of a viscosity not greater than 50,000 c ps; applying the graphene dispersion solution to a substrate, allowing the graphene sheets dispersedly descend over a surface of the substrate; and curing the graphene dispersion solution, allowing the graphene sheets adhered to the surface of the substrate by the first polymer. Currently amended
A graphene dispersion paste, having a viscosity in a range from 50,000 to 350,000 c ps and a grind fineness not greater than 20 m, and comprising: graphene sheets, a solvent and a first polymer, wherein the graphene sheets accounts for 0.05 to 20 wt% of total weight of the graphene dispersion paste, and each of the graphene sheets has a bulk density in a range from 0.005 to 0.05 g/cm 3, a thickness in a range from 0.68 to 10 nm, and a lateral size in a range from 1 to 100 ptm. Currently amended
The graphene dispersion paste according to claim 6, wherein each surface of the graphene sheets has a functional group represented by Rx -R' y, R is selected from a group consisting of benzene ring, pyridine and triazine, R' is selected from a group consisting of amino, alkoxyl, carbonyl, carboxyl, acyloxyl, amido, alkoxylene, dimethylamino and alkoxylenecarboxyl, 1 x 4, and 1 y:6. Currently amended
Materials described outside the worked examples.
graphene sheets
solvent
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
viscosity of graphene dispersion paste | 50000–350000 cps | graphene dispersion paste |
grind fineness of graphene dispersion paste | ≤ 20 μm |
Related documents with shared materials, methods, properties, or citations.
polymer (first polymer)
graphene dispersion paste
second polymer
electric conductive filler
bulk density of graphene sheets | 0.005–0.05 g/cm3 | graphene sheets |
thickness of graphene sheets | 0.68–10 nm | graphene sheets |
lateral size of graphene sheets | 1–100 μm | graphene sheets |
viscosity of pseudo-plastic non-Newtonian fluid passing through slit | 10–10000 cps | — |
Pressure | 10–30 bar | — |
Pressure | 10–25 bar | — |
Pressure | 15–30 bar | — |
Temperature | 30–200 °C | — |
Pressure | ≤ 10 bar | — |
polymer (first polymer)
graphene dispersion paste
second polymer
electric conductive filler
bulk density of graphene sheets | 0.005–0.05 g/cm3 | graphene sheets |
thickness of graphene sheets | 0.68–10 nm | graphene sheets |
lateral size of graphene sheets | 1–100 μm | graphene sheets |
viscosity of pseudo-plastic non-Newtonian fluid passing through slit | 10–10000 cps | — |
Pressure | 10–30 bar | — |
Pressure | 10–25 bar | — |
Pressure | 15–30 bar | — |
Temperature | 30–200 °C | — |
Pressure | ≤ 10 bar | — |
polymer (first polymer)
graphene dispersion paste
second polymer
electric conductive filler
bulk density of graphene sheets | 0.005–0.05 g/cm3 | graphene sheets |
thickness of graphene sheets | 0.68–10 nm | graphene sheets |
lateral size of graphene sheets | 1–100 μm | graphene sheets |
viscosity of pseudo-plastic non-Newtonian fluid passing through slit | 10–10000 cps | — |
Pressure | 10–30 bar | — |
Pressure | 10–25 bar | — |
Pressure | 15–30 bar | — |
Temperature | 30–200 °C | — |
Pressure | ≤ 10 bar | — |
polymer (first polymer)
graphene dispersion paste
second polymer
electric conductive filler
bulk density of graphene sheets | 0.005–0.05 g/cm3 | graphene sheets |
thickness of graphene sheets | 0.68–10 nm | graphene sheets |
lateral size of graphene sheets | 1–100 μm | graphene sheets |
viscosity of pseudo-plastic non-Newtonian fluid passing through slit | 10–10000 cps | — |
Pressure | 10–30 bar | — |
Pressure | 10–25 bar | — |
Pressure | 15–30 bar | — |
Temperature | 30–200 °C | — |
Pressure | ≤ 10 bar | — |