Patent
US 10,934,637PROCESS FOR PRODUCING FABRIC OF CONTINUOUS GRAPHENE FIBER YARNS FROM FUNCTIONALIZED GRAPHENE SHEETS
Aruna Zhamu
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 10,934,637Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 Schematic drawing illustrating the processes for producing conventional paper, mat, film, and membrane of simply aggregated graphite or graphene …
FIG. 2(c) SEM images of an elongated section of prior art graphene fibers produced by solution spinning and liquid coagulation, showing many graphene sheets …
FIG. 3(b) A SEM image of a cross-section of a conventional graphene paper/film prepared from discrete graphene sheets/platelets using a paper-making process …
FIG. 4(a) Schematic diagram illustrating a process of producing multiple continuous graphene fibers from functionalized graphene sheets dispensed through …
FIG. 5(c) An example to illustrate one mechanism with which neighboring chemically functionalized graphene sheets are chemically interconnected together.
FIG. 6 Tensile strength and Young's modulus of three graphene fibers: one derived from highly oriented chemically functionalized graphene sheets, one derived …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
1-15. Canceled
Canceled
A process for producing a fabric containing a graphene-based continuous or long fiber made from graphene sheets, said process comprising: (a) preparing a graphene dispersion having discrete unfunctionalized graphene sheets dispersed in a liquid medium; (b) dispensing and depositing at least a continuous or long filament of said graphene dispersion onto a supporting substrate, wherein said dispensing and depositing procedure includes mechanical shear stress-induced alignment of said unfunctionalized graphene sheets along a filament axis direction, and partially or completely removing said liquid medium from said filament to form a continuous or long fiber comprising aligned unfunctionalized graphene sheets; (c) bringing said continuous or long fiber in contact with a chemical functionalizing agent to functionalize said continuous or long fiber so as to produce a continuous or long fiber of chemically functionalized graphene sheets having chemical functional groups attached thereto and a non-carbon element content of 0.1% to 47% by weight; (d) using heat, electromagnetic waves, UV light, high-energy radiation, or a combination thereof to induce chemical reactions or chemical bonding between chemical functional groups attached to adjacent chemically functionalized graphene sheets to form said long graphene fiber, wherein said continuous or long graphene fiber comprises chemically functionalized graphene sheets that are chemically bonded with one another having an interplanar spacing d 00 2 from 0.36 nm to 1.5 nm as determined by X-ray diffraction and a noncarbon element content of 0.1% to 47% by weight and wherein said functionalized graphene sheets are substantially parallel to one another and parallel to a fiber axis direction and said fiber contains no core-shell structure, have no helically arranged graphene domains, and have a length no less than 0.5 cm and a physical density from 1.5 to 2.25 g/cm 3; (e) combining said at least one continuous or long graphene fiber with a plurality of fibers, the same type as or different than said graphene fiber, to form at least one continuous or long fiber ya rn; and (f) combining said at least one continuous or long fiber ya rn and a plurality of fiber ya rn s, the same type as or different than said at least one continuous or long fiber yarn, to form said fabric 1 wherein said continuous or long fiber has a thermal conductivity of at least 1,000 W/mK or an electrical conductivity no less than 2,500 S/cm. Previously presented
The process of claim 16, further comprising a step of compressing said continuous or long fiber to increase a degree of graphene sheet orientation and physical density, and to improve contact between chemically functionalized graphene sheets. Original
The process of claim 16, wherein said chemically functionalized graphene sheets comprise a chemical functional group selected from the group consisting of hydroxyl, peroxide, ether, keto, aldehyde, alkyl or aryl silane, alkyl or aralkyl group, carboxyl group, carboxylic group, amine group, sulfonate group (--S O 3 H), quinoidal, fluorocarbon, 10,12-pentacosadiyn- 1 -ol, hydroiodic acid, 1-pyrenebutyric acid N- hydroxysuccinimide ester, 1-aminopyrene, amidoamines, polyamides, aliphatic amines, modified aliphatic amines, cycloaliphatic amines, aromatic amines, anhydrides, ketimines, diethylenetriamine (DETA), triethylene-tetramine (TETA), tetraethylene-pentamine (TEPA), polyethylene polyamine, polyamine epoxy adduct, phenolic hardener, nonbrominated curing agent, non-amine curatives, derivatives thereof, and combinations thereof. Previously presented
The process of claim 16, wherein said chemically functionalized graphene sheets comprise an azide derivative chemical functional group selected from the group consisting of 2-azidoethanol, 3-azidopropan- 1 -amine, 4-(2-azidoethoxy)-4- oxobutanoic acid, 2-azidoethyl-2-bromo-2-methylpropanoate, chlorocarbonate, azidocarbonate, dichlorocarbene, carbene, aryne, nitrene, (R-)-oxycarbonyl nitrenes, where R = any one of the following groups, SVG 15985053.09-21-2020.KFCTKVGPRXEAPX2.CLM.1.svg 0.31 3.18 Black and white SVG 15985053.09-21-2020.KFCTKVGPRXEAPX2.CLM.2.svg 1.98 2.78 Black and white and combinations thereof. Previously presented
The process of claim 16, wherein said chemically functionalized graphene sheets comprise a chemical functional group selected from the group consisting of -SO 3 H, -CO OH, -NH 2, -OH,-R'CHOH, -CHO, -CN,-COd, halide, -COSH, -SH, -COOR', -SR', -SiR' 3, -Si(-- OR'--) y R' 3 -y, -Si(-- O--SiR' 2 --)OR', -R", Li, A l R' 2, Hg--X, T l Z 2 and Mg--X; wherein y is an integer equal to or less than 3, R' is hydrogen, alkyl, aryl, cycloalkyl, or aralkyl, cycloaryl, or poly(alkylether), R" is fluoroalkyl, fluoroaryl, fluorocycloalkyl, fluoroaralkyl or cycloaryl, X is halide, and Z is carboxylate or trifluoroacetate, derivatives thereof, and combinations thereof. Original
The process claim 16, wherein said chemically functionalized graphene sheets comprise a chemical functional group selected from the group consisting of OY, NHY, O=C- -OY, P = C-- NR'Y, O = C--SY, O = C--Y, --CR'1--OY, N' Y or C'Y, a derivative thereof, or a combination thereof, and Y is a functional group of a protein, a peptide, an amino acid, an enzyme, an antibody, a nucleotide, an oligonucleotide, an antigen, or an enzyme substrate, enzyme inhibitor or the transition state analog of an enzyme substrate or is selected from R'-- OH, R'--NR'2, R'SH, R'CHO, R'CN, R'X, R'N + (R')3X-, R'SiR'3, R'Si(--OR'--)yR'3-y, R'Si(-- O-- SiR'2--)OR', R'--R", R'--N-- CO, (C₂H₄ 0 --) W H, (--C₃H₆ 0 --) W H, (--C₂H₄ O) W --R', (C₃H₆ 0) W -- R', R', and w is an integer greater than one and less than 200. Original
The process of claim 16, wherein said continuous or long fiber has a thickness from 100 nm to 100 pm. Original
The process of claim 16, wherein said continuous or long fiber has a thermal conductivity of at least 1,200 W/mK or an electrical conductivity no less than 5, 000 S/cm. Previously presented
The process of claim 16, wherein said continuous or long fiber has a thermal conductivity of at least 1,200 W/mK, or an electrical conductivity no less than 8,000 S/cm. Previously presented
The process of claim 16, wherein said continuous or long graphene fiber has a degree of orientation from 86% to 99 %. Original
The process of claim 16, wherein said continuous or lon g fiber has a Young's modulus from 20 GPa to 300 GPa. or a tensile strength from 1.0 GPa to 5.0 GPa. Original
Layer stacks claimed or described, ordered top of device to substrate.
graphene-based continuous fiber for fabric
Materials described outside the worked examples.
unfunctionalized graphene sheets
chemically functionalized graphene sheets
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2(c) SEM images of an elongated section of prior art graphene fibers produced by solution spinning and liquid coagulation, showing many graphene sheets …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
interplanar spacing d002 | 0.36–1.5 | continuous or long graphene fiber |
physical density of graphene fiber | 1.5–2.25 |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,934,637Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 Schematic drawing illustrating the processes for producing conventional paper, mat, film, and membrane of simply aggregated graphite or graphene …
FIG. 2(c) SEM images of an elongated section of prior art graphene fibers produced by solution spinning and liquid coagulation, showing many graphene sheets …
FIG. 3(b) A SEM image of a cross-section of a conventional graphene paper/film prepared from discrete graphene sheets/platelets using a paper-making process …
FIG. 4(a) Schematic diagram illustrating a process of producing multiple continuous graphene fibers from functionalized graphene sheets dispensed through …
FIG. 5(c) An example to illustrate one mechanism with which neighboring chemically functionalized graphene sheets are chemically interconnected together.
FIG. 6 Tensile strength and Young's modulus of three graphene fibers: one derived from highly oriented chemically functionalized graphene sheets, one derived …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
1-15. Canceled
Canceled
A process for producing a fabric containing a graphene-based continuous or long fiber made from graphene sheets, said process comprising: (a) preparing a graphene dispersion having discrete unfunctionalized graphene sheets dispersed in a liquid medium; (b) dispensing and depositing at least a continuous or long filament of said graphene dispersion onto a supporting substrate, wherein said dispensing and depositing procedure includes mechanical shear stress-induced alignment of said unfunctionalized graphene sheets along a filament axis direction, and partially or completely removing said liquid medium from said filament to form a continuous or long fiber comprising aligned unfunctionalized graphene sheets; (c) bringing said continuous or long fiber in contact with a chemical functionalizing agent to functionalize said continuous or long fiber so as to produce a continuous or long fiber of chemically functionalized graphene sheets having chemical functional groups attached thereto and a non-carbon element content of 0.1% to 47% by weight; (d) using heat, electromagnetic waves, UV light, high-energy radiation, or a combination thereof to induce chemical reactions or chemical bonding between chemical functional groups attached to adjacent chemically functionalized graphene sheets to form said long graphene fiber, wherein said continuous or long graphene fiber comprises chemically functionalized graphene sheets that are chemically bonded with one another having an interplanar spacing d 00 2 from 0.36 nm to 1.5 nm as determined by X-ray diffraction and a noncarbon element content of 0.1% to 47% by weight and wherein said functionalized graphene sheets are substantially parallel to one another and parallel to a fiber axis direction and said fiber contains no core-shell structure, have no helically arranged graphene domains, and have a length no less than 0.5 cm and a physical density from 1.5 to 2.25 g/cm 3; (e) combining said at least one continuous or long graphene fiber with a plurality of fibers, the same type as or different than said graphene fiber, to form at least one continuous or long fiber ya rn; and (f) combining said at least one continuous or long fiber ya rn and a plurality of fiber ya rn s, the same type as or different than said at least one continuous or long fiber yarn, to form said fabric 1 wherein said continuous or long fiber has a thermal conductivity of at least 1,000 W/mK or an electrical conductivity no less than 2,500 S/cm. Previously presented
The process of claim 16, further comprising a step of compressing said continuous or long fiber to increase a degree of graphene sheet orientation and physical density, and to improve contact between chemically functionalized graphene sheets. Original
The process of claim 16, wherein said chemically functionalized graphene sheets comprise a chemical functional group selected from the group consisting of hydroxyl, peroxide, ether, keto, aldehyde, alkyl or aryl silane, alkyl or aralkyl group, carboxyl group, carboxylic group, amine group, sulfonate group (--S O 3 H), quinoidal, fluorocarbon, 10,12-pentacosadiyn- 1 -ol, hydroiodic acid, 1-pyrenebutyric acid N- hydroxysuccinimide ester, 1-aminopyrene, amidoamines, polyamides, aliphatic amines, modified aliphatic amines, cycloaliphatic amines, aromatic amines, anhydrides, ketimines, diethylenetriamine (DETA), triethylene-tetramine (TETA), tetraethylene-pentamine (TEPA), polyethylene polyamine, polyamine epoxy adduct, phenolic hardener, nonbrominated curing agent, non-amine curatives, derivatives thereof, and combinations thereof. Previously presented
The process of claim 16, wherein said chemically functionalized graphene sheets comprise an azide derivative chemical functional group selected from the group consisting of 2-azidoethanol, 3-azidopropan- 1 -amine, 4-(2-azidoethoxy)-4- oxobutanoic acid, 2-azidoethyl-2-bromo-2-methylpropanoate, chlorocarbonate, azidocarbonate, dichlorocarbene, carbene, aryne, nitrene, (R-)-oxycarbonyl nitrenes, where R = any one of the following groups, SVG 15985053.09-21-2020.KFCTKVGPRXEAPX2.CLM.1.svg 0.31 3.18 Black and white SVG 15985053.09-21-2020.KFCTKVGPRXEAPX2.CLM.2.svg 1.98 2.78 Black and white and combinations thereof. Previously presented
The process of claim 16, wherein said chemically functionalized graphene sheets comprise a chemical functional group selected from the group consisting of -SO 3 H, -CO OH, -NH 2, -OH,-R'CHOH, -CHO, -CN,-COd, halide, -COSH, -SH, -COOR', -SR', -SiR' 3, -Si(-- OR'--) y R' 3 -y, -Si(-- O--SiR' 2 --)OR', -R", Li, A l R' 2, Hg--X, T l Z 2 and Mg--X; wherein y is an integer equal to or less than 3, R' is hydrogen, alkyl, aryl, cycloalkyl, or aralkyl, cycloaryl, or poly(alkylether), R" is fluoroalkyl, fluoroaryl, fluorocycloalkyl, fluoroaralkyl or cycloaryl, X is halide, and Z is carboxylate or trifluoroacetate, derivatives thereof, and combinations thereof. Original
The process claim 16, wherein said chemically functionalized graphene sheets comprise a chemical functional group selected from the group consisting of OY, NHY, O=C- -OY, P = C-- NR'Y, O = C--SY, O = C--Y, --CR'1--OY, N' Y or C'Y, a derivative thereof, or a combination thereof, and Y is a functional group of a protein, a peptide, an amino acid, an enzyme, an antibody, a nucleotide, an oligonucleotide, an antigen, or an enzyme substrate, enzyme inhibitor or the transition state analog of an enzyme substrate or is selected from R'-- OH, R'--NR'2, R'SH, R'CHO, R'CN, R'X, R'N + (R')3X-, R'SiR'3, R'Si(--OR'--)yR'3-y, R'Si(-- O-- SiR'2--)OR', R'--R", R'--N-- CO, (C₂H₄ 0 --) W H, (--C₃H₆ 0 --) W H, (--C₂H₄ O) W --R', (C₃H₆ 0) W -- R', R', and w is an integer greater than one and less than 200. Original
The process of claim 16, wherein said continuous or long fiber has a thickness from 100 nm to 100 pm. Original
The process of claim 16, wherein said continuous or long fiber has a thermal conductivity of at least 1,200 W/mK or an electrical conductivity no less than 5, 000 S/cm. Previously presented
The process of claim 16, wherein said continuous or long fiber has a thermal conductivity of at least 1,200 W/mK, or an electrical conductivity no less than 8,000 S/cm. Previously presented
The process of claim 16, wherein said continuous or long graphene fiber has a degree of orientation from 86% to 99 %. Original
The process of claim 16, wherein said continuous or lon g fiber has a Young's modulus from 20 GPa to 300 GPa. or a tensile strength from 1.0 GPa to 5.0 GPa. Original
Layer stacks claimed or described, ordered top of device to substrate.
graphene-based continuous fiber for fabric
Materials described outside the worked examples.
unfunctionalized graphene sheets
chemically functionalized graphene sheets
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2(c) SEM images of an elongated section of prior art graphene fibers produced by solution spinning and liquid coagulation, showing many graphene sheets …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
interplanar spacing d002 | 0.36–1.5 | continuous or long graphene fiber |
physical density of graphene fiber | 1.5–2.25 |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,934,637Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 Schematic drawing illustrating the processes for producing conventional paper, mat, film, and membrane of simply aggregated graphite or graphene …
FIG. 2(c) SEM images of an elongated section of prior art graphene fibers produced by solution spinning and liquid coagulation, showing many graphene sheets …
FIG. 3(b) A SEM image of a cross-section of a conventional graphene paper/film prepared from discrete graphene sheets/platelets using a paper-making process …
FIG. 4(a) Schematic diagram illustrating a process of producing multiple continuous graphene fibers from functionalized graphene sheets dispensed through …
FIG. 5(c) An example to illustrate one mechanism with which neighboring chemically functionalized graphene sheets are chemically interconnected together.
FIG. 6 Tensile strength and Young's modulus of three graphene fibers: one derived from highly oriented chemically functionalized graphene sheets, one derived …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
1-15. Canceled
Canceled
A process for producing a fabric containing a graphene-based continuous or long fiber made from graphene sheets, said process comprising: (a) preparing a graphene dispersion having discrete unfunctionalized graphene sheets dispersed in a liquid medium; (b) dispensing and depositing at least a continuous or long filament of said graphene dispersion onto a supporting substrate, wherein said dispensing and depositing procedure includes mechanical shear stress-induced alignment of said unfunctionalized graphene sheets along a filament axis direction, and partially or completely removing said liquid medium from said filament to form a continuous or long fiber comprising aligned unfunctionalized graphene sheets; (c) bringing said continuous or long fiber in contact with a chemical functionalizing agent to functionalize said continuous or long fiber so as to produce a continuous or long fiber of chemically functionalized graphene sheets having chemical functional groups attached thereto and a non-carbon element content of 0.1% to 47% by weight; (d) using heat, electromagnetic waves, UV light, high-energy radiation, or a combination thereof to induce chemical reactions or chemical bonding between chemical functional groups attached to adjacent chemically functionalized graphene sheets to form said long graphene fiber, wherein said continuous or long graphene fiber comprises chemically functionalized graphene sheets that are chemically bonded with one another having an interplanar spacing d 00 2 from 0.36 nm to 1.5 nm as determined by X-ray diffraction and a noncarbon element content of 0.1% to 47% by weight and wherein said functionalized graphene sheets are substantially parallel to one another and parallel to a fiber axis direction and said fiber contains no core-shell structure, have no helically arranged graphene domains, and have a length no less than 0.5 cm and a physical density from 1.5 to 2.25 g/cm 3; (e) combining said at least one continuous or long graphene fiber with a plurality of fibers, the same type as or different than said graphene fiber, to form at least one continuous or long fiber ya rn; and (f) combining said at least one continuous or long fiber ya rn and a plurality of fiber ya rn s, the same type as or different than said at least one continuous or long fiber yarn, to form said fabric 1 wherein said continuous or long fiber has a thermal conductivity of at least 1,000 W/mK or an electrical conductivity no less than 2,500 S/cm. Previously presented
The process of claim 16, further comprising a step of compressing said continuous or long fiber to increase a degree of graphene sheet orientation and physical density, and to improve contact between chemically functionalized graphene sheets. Original
The process of claim 16, wherein said chemically functionalized graphene sheets comprise a chemical functional group selected from the group consisting of hydroxyl, peroxide, ether, keto, aldehyde, alkyl or aryl silane, alkyl or aralkyl group, carboxyl group, carboxylic group, amine group, sulfonate group (--S O 3 H), quinoidal, fluorocarbon, 10,12-pentacosadiyn- 1 -ol, hydroiodic acid, 1-pyrenebutyric acid N- hydroxysuccinimide ester, 1-aminopyrene, amidoamines, polyamides, aliphatic amines, modified aliphatic amines, cycloaliphatic amines, aromatic amines, anhydrides, ketimines, diethylenetriamine (DETA), triethylene-tetramine (TETA), tetraethylene-pentamine (TEPA), polyethylene polyamine, polyamine epoxy adduct, phenolic hardener, nonbrominated curing agent, non-amine curatives, derivatives thereof, and combinations thereof. Previously presented
The process of claim 16, wherein said chemically functionalized graphene sheets comprise an azide derivative chemical functional group selected from the group consisting of 2-azidoethanol, 3-azidopropan- 1 -amine, 4-(2-azidoethoxy)-4- oxobutanoic acid, 2-azidoethyl-2-bromo-2-methylpropanoate, chlorocarbonate, azidocarbonate, dichlorocarbene, carbene, aryne, nitrene, (R-)-oxycarbonyl nitrenes, where R = any one of the following groups, SVG 15985053.09-21-2020.KFCTKVGPRXEAPX2.CLM.1.svg 0.31 3.18 Black and white SVG 15985053.09-21-2020.KFCTKVGPRXEAPX2.CLM.2.svg 1.98 2.78 Black and white and combinations thereof. Previously presented
The process of claim 16, wherein said chemically functionalized graphene sheets comprise a chemical functional group selected from the group consisting of -SO 3 H, -CO OH, -NH 2, -OH,-R'CHOH, -CHO, -CN,-COd, halide, -COSH, -SH, -COOR', -SR', -SiR' 3, -Si(-- OR'--) y R' 3 -y, -Si(-- O--SiR' 2 --)OR', -R", Li, A l R' 2, Hg--X, T l Z 2 and Mg--X; wherein y is an integer equal to or less than 3, R' is hydrogen, alkyl, aryl, cycloalkyl, or aralkyl, cycloaryl, or poly(alkylether), R" is fluoroalkyl, fluoroaryl, fluorocycloalkyl, fluoroaralkyl or cycloaryl, X is halide, and Z is carboxylate or trifluoroacetate, derivatives thereof, and combinations thereof. Original
The process claim 16, wherein said chemically functionalized graphene sheets comprise a chemical functional group selected from the group consisting of OY, NHY, O=C- -OY, P = C-- NR'Y, O = C--SY, O = C--Y, --CR'1--OY, N' Y or C'Y, a derivative thereof, or a combination thereof, and Y is a functional group of a protein, a peptide, an amino acid, an enzyme, an antibody, a nucleotide, an oligonucleotide, an antigen, or an enzyme substrate, enzyme inhibitor or the transition state analog of an enzyme substrate or is selected from R'-- OH, R'--NR'2, R'SH, R'CHO, R'CN, R'X, R'N + (R')3X-, R'SiR'3, R'Si(--OR'--)yR'3-y, R'Si(-- O-- SiR'2--)OR', R'--R", R'--N-- CO, (C₂H₄ 0 --) W H, (--C₃H₆ 0 --) W H, (--C₂H₄ O) W --R', (C₃H₆ 0) W -- R', R', and w is an integer greater than one and less than 200. Original
The process of claim 16, wherein said continuous or long fiber has a thickness from 100 nm to 100 pm. Original
The process of claim 16, wherein said continuous or long fiber has a thermal conductivity of at least 1,200 W/mK or an electrical conductivity no less than 5, 000 S/cm. Previously presented
The process of claim 16, wherein said continuous or long fiber has a thermal conductivity of at least 1,200 W/mK, or an electrical conductivity no less than 8,000 S/cm. Previously presented
The process of claim 16, wherein said continuous or long graphene fiber has a degree of orientation from 86% to 99 %. Original
The process of claim 16, wherein said continuous or lon g fiber has a Young's modulus from 20 GPa to 300 GPa. or a tensile strength from 1.0 GPa to 5.0 GPa. Original
Layer stacks claimed or described, ordered top of device to substrate.
graphene-based continuous fiber for fabric
Materials described outside the worked examples.
unfunctionalized graphene sheets
chemically functionalized graphene sheets
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2(c) SEM images of an elongated section of prior art graphene fibers produced by solution spinning and liquid coagulation, showing many graphene sheets …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
interplanar spacing d002 | 0.36–1.5 | continuous or long graphene fiber |
physical density of graphene fiber | 1.5–2.25 |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,934,637Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 Schematic drawing illustrating the processes for producing conventional paper, mat, film, and membrane of simply aggregated graphite or graphene …
FIG. 2(c) SEM images of an elongated section of prior art graphene fibers produced by solution spinning and liquid coagulation, showing many graphene sheets …
FIG. 3(b) A SEM image of a cross-section of a conventional graphene paper/film prepared from discrete graphene sheets/platelets using a paper-making process …
FIG. 4(a) Schematic diagram illustrating a process of producing multiple continuous graphene fibers from functionalized graphene sheets dispensed through …
FIG. 5(c) An example to illustrate one mechanism with which neighboring chemically functionalized graphene sheets are chemically interconnected together.
FIG. 6 Tensile strength and Young's modulus of three graphene fibers: one derived from highly oriented chemically functionalized graphene sheets, one derived …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
1-15. Canceled
Canceled
A process for producing a fabric containing a graphene-based continuous or long fiber made from graphene sheets, said process comprising: (a) preparing a graphene dispersion having discrete unfunctionalized graphene sheets dispersed in a liquid medium; (b) dispensing and depositing at least a continuous or long filament of said graphene dispersion onto a supporting substrate, wherein said dispensing and depositing procedure includes mechanical shear stress-induced alignment of said unfunctionalized graphene sheets along a filament axis direction, and partially or completely removing said liquid medium from said filament to form a continuous or long fiber comprising aligned unfunctionalized graphene sheets; (c) bringing said continuous or long fiber in contact with a chemical functionalizing agent to functionalize said continuous or long fiber so as to produce a continuous or long fiber of chemically functionalized graphene sheets having chemical functional groups attached thereto and a non-carbon element content of 0.1% to 47% by weight; (d) using heat, electromagnetic waves, UV light, high-energy radiation, or a combination thereof to induce chemical reactions or chemical bonding between chemical functional groups attached to adjacent chemically functionalized graphene sheets to form said long graphene fiber, wherein said continuous or long graphene fiber comprises chemically functionalized graphene sheets that are chemically bonded with one another having an interplanar spacing d 00 2 from 0.36 nm to 1.5 nm as determined by X-ray diffraction and a noncarbon element content of 0.1% to 47% by weight and wherein said functionalized graphene sheets are substantially parallel to one another and parallel to a fiber axis direction and said fiber contains no core-shell structure, have no helically arranged graphene domains, and have a length no less than 0.5 cm and a physical density from 1.5 to 2.25 g/cm 3; (e) combining said at least one continuous or long graphene fiber with a plurality of fibers, the same type as or different than said graphene fiber, to form at least one continuous or long fiber ya rn; and (f) combining said at least one continuous or long fiber ya rn and a plurality of fiber ya rn s, the same type as or different than said at least one continuous or long fiber yarn, to form said fabric 1 wherein said continuous or long fiber has a thermal conductivity of at least 1,000 W/mK or an electrical conductivity no less than 2,500 S/cm. Previously presented
The process of claim 16, further comprising a step of compressing said continuous or long fiber to increase a degree of graphene sheet orientation and physical density, and to improve contact between chemically functionalized graphene sheets. Original
The process of claim 16, wherein said chemically functionalized graphene sheets comprise a chemical functional group selected from the group consisting of hydroxyl, peroxide, ether, keto, aldehyde, alkyl or aryl silane, alkyl or aralkyl group, carboxyl group, carboxylic group, amine group, sulfonate group (--S O 3 H), quinoidal, fluorocarbon, 10,12-pentacosadiyn- 1 -ol, hydroiodic acid, 1-pyrenebutyric acid N- hydroxysuccinimide ester, 1-aminopyrene, amidoamines, polyamides, aliphatic amines, modified aliphatic amines, cycloaliphatic amines, aromatic amines, anhydrides, ketimines, diethylenetriamine (DETA), triethylene-tetramine (TETA), tetraethylene-pentamine (TEPA), polyethylene polyamine, polyamine epoxy adduct, phenolic hardener, nonbrominated curing agent, non-amine curatives, derivatives thereof, and combinations thereof. Previously presented
The process of claim 16, wherein said chemically functionalized graphene sheets comprise an azide derivative chemical functional group selected from the group consisting of 2-azidoethanol, 3-azidopropan- 1 -amine, 4-(2-azidoethoxy)-4- oxobutanoic acid, 2-azidoethyl-2-bromo-2-methylpropanoate, chlorocarbonate, azidocarbonate, dichlorocarbene, carbene, aryne, nitrene, (R-)-oxycarbonyl nitrenes, where R = any one of the following groups, SVG 15985053.09-21-2020.KFCTKVGPRXEAPX2.CLM.1.svg 0.31 3.18 Black and white SVG 15985053.09-21-2020.KFCTKVGPRXEAPX2.CLM.2.svg 1.98 2.78 Black and white and combinations thereof. Previously presented
The process of claim 16, wherein said chemically functionalized graphene sheets comprise a chemical functional group selected from the group consisting of -SO 3 H, -CO OH, -NH 2, -OH,-R'CHOH, -CHO, -CN,-COd, halide, -COSH, -SH, -COOR', -SR', -SiR' 3, -Si(-- OR'--) y R' 3 -y, -Si(-- O--SiR' 2 --)OR', -R", Li, A l R' 2, Hg--X, T l Z 2 and Mg--X; wherein y is an integer equal to or less than 3, R' is hydrogen, alkyl, aryl, cycloalkyl, or aralkyl, cycloaryl, or poly(alkylether), R" is fluoroalkyl, fluoroaryl, fluorocycloalkyl, fluoroaralkyl or cycloaryl, X is halide, and Z is carboxylate or trifluoroacetate, derivatives thereof, and combinations thereof. Original
The process claim 16, wherein said chemically functionalized graphene sheets comprise a chemical functional group selected from the group consisting of OY, NHY, O=C- -OY, P = C-- NR'Y, O = C--SY, O = C--Y, --CR'1--OY, N' Y or C'Y, a derivative thereof, or a combination thereof, and Y is a functional group of a protein, a peptide, an amino acid, an enzyme, an antibody, a nucleotide, an oligonucleotide, an antigen, or an enzyme substrate, enzyme inhibitor or the transition state analog of an enzyme substrate or is selected from R'-- OH, R'--NR'2, R'SH, R'CHO, R'CN, R'X, R'N + (R')3X-, R'SiR'3, R'Si(--OR'--)yR'3-y, R'Si(-- O-- SiR'2--)OR', R'--R", R'--N-- CO, (C₂H₄ 0 --) W H, (--C₃H₆ 0 --) W H, (--C₂H₄ O) W --R', (C₃H₆ 0) W -- R', R', and w is an integer greater than one and less than 200. Original
The process of claim 16, wherein said continuous or long fiber has a thickness from 100 nm to 100 pm. Original
The process of claim 16, wherein said continuous or long fiber has a thermal conductivity of at least 1,200 W/mK or an electrical conductivity no less than 5, 000 S/cm. Previously presented
The process of claim 16, wherein said continuous or long fiber has a thermal conductivity of at least 1,200 W/mK, or an electrical conductivity no less than 8,000 S/cm. Previously presented
The process of claim 16, wherein said continuous or long graphene fiber has a degree of orientation from 86% to 99 %. Original
The process of claim 16, wherein said continuous or lon g fiber has a Young's modulus from 20 GPa to 300 GPa. or a tensile strength from 1.0 GPa to 5.0 GPa. Original
Layer stacks claimed or described, ordered top of device to substrate.
graphene-based continuous fiber for fabric
Materials described outside the worked examples.
unfunctionalized graphene sheets
chemically functionalized graphene sheets
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2(c) SEM images of an elongated section of prior art graphene fibers produced by solution spinning and liquid coagulation, showing many graphene sheets …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
interplanar spacing d002 | 0.36–1.5 | continuous or long graphene fiber |
physical density of graphene fiber | 1.5–2.25 |
Related documents with shared materials, methods, properties, or citations.
continuous or long graphene fiber
graphene oxide (GO) sheets
FIG. 3(b) A SEM image of a cross-section of a conventional graphene paper/film prepared from discrete graphene sheets/platelets using a paper-making process …
thermal conductivity of graphene fiber (claim 16 minimum) | ≥ 1000 | continuous or long graphene fiber |
electrical conductivity of graphene fiber (claim 16 minimum) | ≥ 2500 | continuous or long graphene fiber |
thermal conductivity of graphene fiber (claim 23 minimum) | ≥ 1200 | continuous or long graphene fiber |
electrical conductivity of graphene fiber (claim 23 minimum) | ≥ 5000 | continuous or long graphene fiber |
electrical conductivity of graphene fiber (claim 24 minimum) | ≥ 8000 | continuous or long graphene fiber |
degree of graphene sheet orientation in fiber (claim 25) | 86–99 | continuous or long graphene fiber |
Young's modulus of graphene fiber (claim 26) | 20–300 | continuous or long graphene fiber |
tensile strength of graphene fiber (claim 26) | 1–5 | continuous or long graphene fiber |
non-carbon element content of functionalized graphene fiber | 0.1–47 | chemically functionalized graphene sheets |
Thickness | 0.36–1.5 nm | — |
Duration | 900–7200 s | — |
Temperature | 0–200 °C | — |
— | 200–1600 W | — |
Duration | 48–72 hours | — |
— | 350–1500 W | — |
Duration | 4–120 hours | — |
Temperature | 20–25 °C | — |
— | 140–300 W | — |
— | 10–30 W | — |
Temperature | 200–400 °C | — |
Temperature | 150–250 °C | — |
Thickness | 2800–3000 cm | — |
Temperature | 200–700 °C | — |
Duration | 48–96 hours | — |
Duration | 10–100 minutes | — |
Thickness | ≤ 0.5 cm | — |
Thickness | ≥ 1 nm | — |
— | ≥ 350 W | — |
— | ≥ 600 W | — |
— | ≥ 1 W | — |
— | ≥ 1200 W | — |
Thickness | 0.4–1.2 nm | — |
Thickness | ≤ 1 nm | — |
continuous or long graphene fiber
graphene oxide (GO) sheets
FIG. 3(b) A SEM image of a cross-section of a conventional graphene paper/film prepared from discrete graphene sheets/platelets using a paper-making process …
thermal conductivity of graphene fiber (claim 16 minimum) | ≥ 1000 | continuous or long graphene fiber |
electrical conductivity of graphene fiber (claim 16 minimum) | ≥ 2500 | continuous or long graphene fiber |
thermal conductivity of graphene fiber (claim 23 minimum) | ≥ 1200 | continuous or long graphene fiber |
electrical conductivity of graphene fiber (claim 23 minimum) | ≥ 5000 | continuous or long graphene fiber |
electrical conductivity of graphene fiber (claim 24 minimum) | ≥ 8000 | continuous or long graphene fiber |
degree of graphene sheet orientation in fiber (claim 25) | 86–99 | continuous or long graphene fiber |
Young's modulus of graphene fiber (claim 26) | 20–300 | continuous or long graphene fiber |
tensile strength of graphene fiber (claim 26) | 1–5 | continuous or long graphene fiber |
non-carbon element content of functionalized graphene fiber | 0.1–47 | chemically functionalized graphene sheets |
Thickness | 0.36–1.5 nm | — |
Duration | 900–7200 s | — |
Temperature | 0–200 °C | — |
— | 200–1600 W | — |
Duration | 48–72 hours | — |
— | 350–1500 W | — |
Duration | 4–120 hours | — |
Temperature | 20–25 °C | — |
— | 140–300 W | — |
— | 10–30 W | — |
Temperature | 200–400 °C | — |
Temperature | 150–250 °C | — |
Thickness | 2800–3000 cm | — |
Temperature | 200–700 °C | — |
Duration | 48–96 hours | — |
Duration | 10–100 minutes | — |
Thickness | ≤ 0.5 cm | — |
Thickness | ≥ 1 nm | — |
— | ≥ 350 W | — |
— | ≥ 600 W | — |
— | ≥ 1 W | — |
— | ≥ 1200 W | — |
Thickness | 0.4–1.2 nm | — |
Thickness | ≤ 1 nm | — |
continuous or long graphene fiber
graphene oxide (GO) sheets
FIG. 3(b) A SEM image of a cross-section of a conventional graphene paper/film prepared from discrete graphene sheets/platelets using a paper-making process …
thermal conductivity of graphene fiber (claim 16 minimum) | ≥ 1000 | continuous or long graphene fiber |
electrical conductivity of graphene fiber (claim 16 minimum) | ≥ 2500 | continuous or long graphene fiber |
thermal conductivity of graphene fiber (claim 23 minimum) | ≥ 1200 | continuous or long graphene fiber |
electrical conductivity of graphene fiber (claim 23 minimum) | ≥ 5000 | continuous or long graphene fiber |
electrical conductivity of graphene fiber (claim 24 minimum) | ≥ 8000 | continuous or long graphene fiber |
degree of graphene sheet orientation in fiber (claim 25) | 86–99 | continuous or long graphene fiber |
Young's modulus of graphene fiber (claim 26) | 20–300 | continuous or long graphene fiber |
tensile strength of graphene fiber (claim 26) | 1–5 | continuous or long graphene fiber |
non-carbon element content of functionalized graphene fiber | 0.1–47 | chemically functionalized graphene sheets |
Thickness | 0.36–1.5 nm | — |
Duration | 900–7200 s | — |
Temperature | 0–200 °C | — |
— | 200–1600 W | — |
Duration | 48–72 hours | — |
— | 350–1500 W | — |
Duration | 4–120 hours | — |
Temperature | 20–25 °C | — |
— | 140–300 W | — |
— | 10–30 W | — |
Temperature | 200–400 °C | — |
Temperature | 150–250 °C | — |
Thickness | 2800–3000 cm | — |
Temperature | 200–700 °C | — |
Duration | 48–96 hours | — |
Duration | 10–100 minutes | — |
Thickness | ≤ 0.5 cm | — |
Thickness | ≥ 1 nm | — |
— | ≥ 350 W | — |
— | ≥ 600 W | — |
— | ≥ 1 W | — |
— | ≥ 1200 W | — |
Thickness | 0.4–1.2 nm | — |
Thickness | ≤ 1 nm | — |
continuous or long graphene fiber
graphene oxide (GO) sheets
FIG. 3(b) A SEM image of a cross-section of a conventional graphene paper/film prepared from discrete graphene sheets/platelets using a paper-making process …
thermal conductivity of graphene fiber (claim 16 minimum) | ≥ 1000 | continuous or long graphene fiber |
electrical conductivity of graphene fiber (claim 16 minimum) | ≥ 2500 | continuous or long graphene fiber |
thermal conductivity of graphene fiber (claim 23 minimum) | ≥ 1200 | continuous or long graphene fiber |
electrical conductivity of graphene fiber (claim 23 minimum) | ≥ 5000 | continuous or long graphene fiber |
electrical conductivity of graphene fiber (claim 24 minimum) | ≥ 8000 | continuous or long graphene fiber |
degree of graphene sheet orientation in fiber (claim 25) | 86–99 | continuous or long graphene fiber |
Young's modulus of graphene fiber (claim 26) | 20–300 | continuous or long graphene fiber |
tensile strength of graphene fiber (claim 26) | 1–5 | continuous or long graphene fiber |
non-carbon element content of functionalized graphene fiber | 0.1–47 | chemically functionalized graphene sheets |
Thickness | 0.36–1.5 nm | — |
Duration | 900–7200 s | — |
Temperature | 0–200 °C | — |
— | 200–1600 W | — |
Duration | 48–72 hours | — |
— | 350–1500 W | — |
Duration | 4–120 hours | — |
Temperature | 20–25 °C | — |
— | 140–300 W | — |
— | 10–30 W | — |
Temperature | 200–400 °C | — |
Temperature | 150–250 °C | — |
Thickness | 2800–3000 cm | — |
Temperature | 200–700 °C | — |
Duration | 48–96 hours | — |
Duration | 10–100 minutes | — |
Thickness | ≤ 0.5 cm | — |
Thickness | ≥ 1 nm | — |
— | ≥ 350 W | — |
— | ≥ 600 W | — |
— | ≥ 1 W | — |
— | ≥ 1200 W | — |
Thickness | 0.4–1.2 nm | — |
Thickness | ≤ 1 nm | — |