Patent
US 11,390,966POLYMER-GRAPHENE LIQUID CRYSTAL FIBER AND A CARBON FIBER PRODUCED BY THE SAME AND METHOD FOR MANUFACTURING THE SAME
Sang Ouk KIM
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 11,390,966Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a schematic diagram representing a manufacturing process of a graphene-based liquid crystal fiber according to the present invention in which GO is a …
FIG. 2 is a graph representing a result of observing liquid crystallinity of the prepared graphene composite with a polarizing microscope, depending on a ratio …
FIG. 3 is a graph representing result values of a degree of orientation of the manufactured hydrogel fiber depending on a surface polymerization ratio of a first …
FIG. 4 is photographs showing the graphene-based compound and the graphene composite as observed through an atomic force microscope (A F M), illustrating a …
FIG. 5 is a graph in which the graphene-based compound and the graphene composite are analyzed by Raman spectroscopy, wherein the inserted image shows a result …
FIG. 6 illustrates a graph in which the graphene- based compound and the graphene composite are analyzed by a Fourier transform infrared spectrometer (FT-IR). …
FIG. 7 illustrates a graph in which the graphene- based compound and the graphene composite are analyzed by X-ray photoelectron spectroscopy. [0039]
FIG. 8 illustrates a graph in which average adhesion between the graphene-based compounds and between the graphene composite is analyzed by the atomic force …
FIG. 9 is a graph representing tensile strength measurement values of carbon fiber measured depending on a time of filling a fiber manufactured by set-spinning …
FIG. 10 is photographs of carbon fibers manufactured in the Example and the Comparative Examples, as observed through a scanning electron microscope (SEM), in …
FIG. 11 is a graph representing results of analyzing the graphene-based crystal liquid fiber according to an exemplary embodiment of the present invention …
FIG. 12 is photographs showing the carbon fibers manufactured in the Example and the Comparative Example as observed through a high-resolution transmission …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A manufacturing method of a graphene-based liquid crystal fiber comprising: (a) polymerizing a first aromatic monomer on a graphene-based compound to prepare a graphene composite in which a first aromatic polymer is surface-polymerized on the graphene-based compound; (b) wet-spinning the graphene composite to manufacture a hydrogel fiber; and (c) polymerizing a second aromatic monomer on the hydrogel fiber to fill pores of the hydrogel fiber with a second aromatic polymer, wherein the pores of the hydrogel fiber are filled by immersing, at 10 0 C to 50 ° C for 1 hour to 5 hours, the hydrogel fiber in a solution in which the second aromatic monomer is dissolved. Previously presented
The manufacturing method of a graphene-based liquid crystal fiber of claim 1, wherein a weight ratio of the graphene-based compound to the first aromatic monomer is 1:0.01 to 1:10. Original
The manufacturing method of a graphene-based liquid crystal fiber of claim 1, wherein in a process of (a), the first aromatic polymer which is surface-polymerized on the graphene-based compound forms a surface layer with a thickness of 0.1 to 1 nm. Original
The manufacturing method of a graphene-based liquid crystal fiber of claim 1, wherein in a process of (a), the surface polymerization of the first aromatic monomer is oxidation polymerization of the first aromatic monomer on a surface of the graphene-based compound. Original
The manufacturing method of graphene-based liquid crystal fiber of claim 1, wherein a weight ratio of the graphene composite to the second aromatic monomer is 1:0.1 to 1:100. Original
The manufacturing method of graphene-based liquid crystal fiber of claim 1, wherein the first aromatic monomer and the second aromatic monomer are a phenolic compound containing an amine group. Original
A manufacturing method of a graphene-based carbon fiber, comprising: (a) polymerizing a first aromatic monomer on a graphene-based compound to prepare a graphene composite in which a first aromatic polymer is surface-polymerized on the graphene-based compound; (b) wet-spinning the graphene composite to manufacture a hydrogel fiber; and (c) filling pores of the hydrogel fiber with a second aromatic polymer to manufacture a graphene-based liquid crystal fiber; and (d) carbonizing the graphene-based liquid crystal fiber, wherein the pores of the hydrogel fiber are filled by immersing, at 10 0 C to 50 ° C for 1 hour to 5 hours, the hydrogel fiber in a solution in which the second aromatic monomer is dissolved. Previously presented
The manufacturing method of a graphene-based carbon fiber of claim 7, wherein filling comprises polymerizing a second aromatic monomer on the hydrogel fiber to fill pores of the hydrogel fiber with the second aromatic polymer. Previously presented
A graphene-based liquid crystal fiber comprising: a hydrogel fiber comprising a graphene-based compound modified with a first aromatic polymer and a second aromatic polymer filled in pores of the hydrogel fiber, wherein ID/I G o f the graphene-based compound and the graphene-based compound modified with the first aromatic polymer satisfies the following Equation 1: [Equation 1] SVG 16235508.02-16-2022.KZPXWXELLDFLYX7.CLM.1.svg 0.16 1.28 Black and white wherein I D/I G is a mea s ure o f relative crystallinity which represents density of defects, and is calculated as a ratio of a maximum intensity value of a peak of an absorption region at 1350 ± 10 cm⁻¹ (I D) to a ma x imum inten s ity value o f a peak o f an ab so rpti on region at 1590 ± 10 cm⁻¹ (I G), in Raman spectroscopic analysis, (ID/I G)G refer s to ID/IG of the graphene-based compound, and (I D/I G)c refer s to I D/I G o f a graphene composite modified with the first aromatic polymer, and wherein (ID/I G)c o f the graphene composite modified with the first aromatic polymer is 1 or less. Currently amended
The graphene-based liquid crystal fiber of claim 9, wherein the first aromatic monomer and the second aromatic monomer are a phenolic compound containing a nitrogen atom in a st ru ctural unit. Original
The graphene-based liquid crystal fiber of claim 9, wherein adhesion of a graphene composite modified with the first aromatic polymer satisfies the following Equation 2: [Equation 2] SVG 16235508.02-16-2022.KZPXWXELLDFLYX7.CLM.2.svg 0.13 0.55 Black and white wherein F G refer s to adhesion between the graphene-based compounds, and F c refers to adhesion of the graphene composite modified with the first aromatic polymer. Original
Canceled
A graphene-based carbon fiber comprising a graphene-based compound and graphitic nitrogen, having an electrical conductivity of 1 x 10' S/m or more and 1 x 10 6 S/m or less, wherein an inside of the graphene-based carbon fiber is formed of a dense texture which substantially does not include pores. Previously presented
The graphene-based carbon fiber of claim 13, wherein a tensile strength is 300 MPa or more. Original
The graphene-based carbon fiber of claim 13, wherein the graphene- based carbon fiber contains 2 to 10 atom % of the graphitic nitrogen. Original
16. Canceled
Layer stacks claimed or described, ordered top of device to substrate.
graphene-based liquid crystal fiber
graphene-based carbon fiber
Materials described outside the worked examples.
graphene-based compound
first aromatic monomer/first aromatic polymer
graphene composite
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2 is a graph representing a result of observing liquid crystallinity of the prepared graphene composite with a polarizing microscope, depending on a ratio …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Electrical Conductivity | 10000–1000000 S/m | graphene-based compound |
Tensile Strength | ≥ 300 MPa | — |
Table 1
SVG 16235508.
p. 30
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 11,390,966Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a schematic diagram representing a manufacturing process of a graphene-based liquid crystal fiber according to the present invention in which GO is a …
FIG. 2 is a graph representing a result of observing liquid crystallinity of the prepared graphene composite with a polarizing microscope, depending on a ratio …
FIG. 3 is a graph representing result values of a degree of orientation of the manufactured hydrogel fiber depending on a surface polymerization ratio of a first …
FIG. 4 is photographs showing the graphene-based compound and the graphene composite as observed through an atomic force microscope (A F M), illustrating a …
FIG. 5 is a graph in which the graphene-based compound and the graphene composite are analyzed by Raman spectroscopy, wherein the inserted image shows a result …
FIG. 6 illustrates a graph in which the graphene- based compound and the graphene composite are analyzed by a Fourier transform infrared spectrometer (FT-IR). …
FIG. 7 illustrates a graph in which the graphene- based compound and the graphene composite are analyzed by X-ray photoelectron spectroscopy. [0039]
FIG. 8 illustrates a graph in which average adhesion between the graphene-based compounds and between the graphene composite is analyzed by the atomic force …
FIG. 9 is a graph representing tensile strength measurement values of carbon fiber measured depending on a time of filling a fiber manufactured by set-spinning …
FIG. 10 is photographs of carbon fibers manufactured in the Example and the Comparative Examples, as observed through a scanning electron microscope (SEM), in …
FIG. 11 is a graph representing results of analyzing the graphene-based crystal liquid fiber according to an exemplary embodiment of the present invention …
FIG. 12 is photographs showing the carbon fibers manufactured in the Example and the Comparative Example as observed through a high-resolution transmission …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A manufacturing method of a graphene-based liquid crystal fiber comprising: (a) polymerizing a first aromatic monomer on a graphene-based compound to prepare a graphene composite in which a first aromatic polymer is surface-polymerized on the graphene-based compound; (b) wet-spinning the graphene composite to manufacture a hydrogel fiber; and (c) polymerizing a second aromatic monomer on the hydrogel fiber to fill pores of the hydrogel fiber with a second aromatic polymer, wherein the pores of the hydrogel fiber are filled by immersing, at 10 0 C to 50 ° C for 1 hour to 5 hours, the hydrogel fiber in a solution in which the second aromatic monomer is dissolved. Previously presented
The manufacturing method of a graphene-based liquid crystal fiber of claim 1, wherein a weight ratio of the graphene-based compound to the first aromatic monomer is 1:0.01 to 1:10. Original
The manufacturing method of a graphene-based liquid crystal fiber of claim 1, wherein in a process of (a), the first aromatic polymer which is surface-polymerized on the graphene-based compound forms a surface layer with a thickness of 0.1 to 1 nm. Original
The manufacturing method of a graphene-based liquid crystal fiber of claim 1, wherein in a process of (a), the surface polymerization of the first aromatic monomer is oxidation polymerization of the first aromatic monomer on a surface of the graphene-based compound. Original
The manufacturing method of graphene-based liquid crystal fiber of claim 1, wherein a weight ratio of the graphene composite to the second aromatic monomer is 1:0.1 to 1:100. Original
The manufacturing method of graphene-based liquid crystal fiber of claim 1, wherein the first aromatic monomer and the second aromatic monomer are a phenolic compound containing an amine group. Original
A manufacturing method of a graphene-based carbon fiber, comprising: (a) polymerizing a first aromatic monomer on a graphene-based compound to prepare a graphene composite in which a first aromatic polymer is surface-polymerized on the graphene-based compound; (b) wet-spinning the graphene composite to manufacture a hydrogel fiber; and (c) filling pores of the hydrogel fiber with a second aromatic polymer to manufacture a graphene-based liquid crystal fiber; and (d) carbonizing the graphene-based liquid crystal fiber, wherein the pores of the hydrogel fiber are filled by immersing, at 10 0 C to 50 ° C for 1 hour to 5 hours, the hydrogel fiber in a solution in which the second aromatic monomer is dissolved. Previously presented
The manufacturing method of a graphene-based carbon fiber of claim 7, wherein filling comprises polymerizing a second aromatic monomer on the hydrogel fiber to fill pores of the hydrogel fiber with the second aromatic polymer. Previously presented
A graphene-based liquid crystal fiber comprising: a hydrogel fiber comprising a graphene-based compound modified with a first aromatic polymer and a second aromatic polymer filled in pores of the hydrogel fiber, wherein ID/I G o f the graphene-based compound and the graphene-based compound modified with the first aromatic polymer satisfies the following Equation 1: [Equation 1] SVG 16235508.02-16-2022.KZPXWXELLDFLYX7.CLM.1.svg 0.16 1.28 Black and white wherein I D/I G is a mea s ure o f relative crystallinity which represents density of defects, and is calculated as a ratio of a maximum intensity value of a peak of an absorption region at 1350 ± 10 cm⁻¹ (I D) to a ma x imum inten s ity value o f a peak o f an ab so rpti on region at 1590 ± 10 cm⁻¹ (I G), in Raman spectroscopic analysis, (ID/I G)G refer s to ID/IG of the graphene-based compound, and (I D/I G)c refer s to I D/I G o f a graphene composite modified with the first aromatic polymer, and wherein (ID/I G)c o f the graphene composite modified with the first aromatic polymer is 1 or less. Currently amended
The graphene-based liquid crystal fiber of claim 9, wherein the first aromatic monomer and the second aromatic monomer are a phenolic compound containing a nitrogen atom in a st ru ctural unit. Original
The graphene-based liquid crystal fiber of claim 9, wherein adhesion of a graphene composite modified with the first aromatic polymer satisfies the following Equation 2: [Equation 2] SVG 16235508.02-16-2022.KZPXWXELLDFLYX7.CLM.2.svg 0.13 0.55 Black and white wherein F G refer s to adhesion between the graphene-based compounds, and F c refers to adhesion of the graphene composite modified with the first aromatic polymer. Original
Canceled
A graphene-based carbon fiber comprising a graphene-based compound and graphitic nitrogen, having an electrical conductivity of 1 x 10' S/m or more and 1 x 10 6 S/m or less, wherein an inside of the graphene-based carbon fiber is formed of a dense texture which substantially does not include pores. Previously presented
The graphene-based carbon fiber of claim 13, wherein a tensile strength is 300 MPa or more. Original
The graphene-based carbon fiber of claim 13, wherein the graphene- based carbon fiber contains 2 to 10 atom % of the graphitic nitrogen. Original
16. Canceled
Layer stacks claimed or described, ordered top of device to substrate.
graphene-based liquid crystal fiber
graphene-based carbon fiber
Materials described outside the worked examples.
graphene-based compound
first aromatic monomer/first aromatic polymer
graphene composite
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2 is a graph representing a result of observing liquid crystallinity of the prepared graphene composite with a polarizing microscope, depending on a ratio …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Electrical Conductivity | 10000–1000000 S/m | graphene-based compound |
Tensile Strength | ≥ 300 MPa | — |
Table 1
SVG 16235508.
p. 30
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 11,390,966Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a schematic diagram representing a manufacturing process of a graphene-based liquid crystal fiber according to the present invention in which GO is a …
FIG. 2 is a graph representing a result of observing liquid crystallinity of the prepared graphene composite with a polarizing microscope, depending on a ratio …
FIG. 3 is a graph representing result values of a degree of orientation of the manufactured hydrogel fiber depending on a surface polymerization ratio of a first …
FIG. 4 is photographs showing the graphene-based compound and the graphene composite as observed through an atomic force microscope (A F M), illustrating a …
FIG. 5 is a graph in which the graphene-based compound and the graphene composite are analyzed by Raman spectroscopy, wherein the inserted image shows a result …
FIG. 6 illustrates a graph in which the graphene- based compound and the graphene composite are analyzed by a Fourier transform infrared spectrometer (FT-IR). …
FIG. 7 illustrates a graph in which the graphene- based compound and the graphene composite are analyzed by X-ray photoelectron spectroscopy. [0039]
FIG. 8 illustrates a graph in which average adhesion between the graphene-based compounds and between the graphene composite is analyzed by the atomic force …
FIG. 9 is a graph representing tensile strength measurement values of carbon fiber measured depending on a time of filling a fiber manufactured by set-spinning …
FIG. 10 is photographs of carbon fibers manufactured in the Example and the Comparative Examples, as observed through a scanning electron microscope (SEM), in …
FIG. 11 is a graph representing results of analyzing the graphene-based crystal liquid fiber according to an exemplary embodiment of the present invention …
FIG. 12 is photographs showing the carbon fibers manufactured in the Example and the Comparative Example as observed through a high-resolution transmission …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A manufacturing method of a graphene-based liquid crystal fiber comprising: (a) polymerizing a first aromatic monomer on a graphene-based compound to prepare a graphene composite in which a first aromatic polymer is surface-polymerized on the graphene-based compound; (b) wet-spinning the graphene composite to manufacture a hydrogel fiber; and (c) polymerizing a second aromatic monomer on the hydrogel fiber to fill pores of the hydrogel fiber with a second aromatic polymer, wherein the pores of the hydrogel fiber are filled by immersing, at 10 0 C to 50 ° C for 1 hour to 5 hours, the hydrogel fiber in a solution in which the second aromatic monomer is dissolved. Previously presented
The manufacturing method of a graphene-based liquid crystal fiber of claim 1, wherein a weight ratio of the graphene-based compound to the first aromatic monomer is 1:0.01 to 1:10. Original
The manufacturing method of a graphene-based liquid crystal fiber of claim 1, wherein in a process of (a), the first aromatic polymer which is surface-polymerized on the graphene-based compound forms a surface layer with a thickness of 0.1 to 1 nm. Original
The manufacturing method of a graphene-based liquid crystal fiber of claim 1, wherein in a process of (a), the surface polymerization of the first aromatic monomer is oxidation polymerization of the first aromatic monomer on a surface of the graphene-based compound. Original
The manufacturing method of graphene-based liquid crystal fiber of claim 1, wherein a weight ratio of the graphene composite to the second aromatic monomer is 1:0.1 to 1:100. Original
The manufacturing method of graphene-based liquid crystal fiber of claim 1, wherein the first aromatic monomer and the second aromatic monomer are a phenolic compound containing an amine group. Original
A manufacturing method of a graphene-based carbon fiber, comprising: (a) polymerizing a first aromatic monomer on a graphene-based compound to prepare a graphene composite in which a first aromatic polymer is surface-polymerized on the graphene-based compound; (b) wet-spinning the graphene composite to manufacture a hydrogel fiber; and (c) filling pores of the hydrogel fiber with a second aromatic polymer to manufacture a graphene-based liquid crystal fiber; and (d) carbonizing the graphene-based liquid crystal fiber, wherein the pores of the hydrogel fiber are filled by immersing, at 10 0 C to 50 ° C for 1 hour to 5 hours, the hydrogel fiber in a solution in which the second aromatic monomer is dissolved. Previously presented
The manufacturing method of a graphene-based carbon fiber of claim 7, wherein filling comprises polymerizing a second aromatic monomer on the hydrogel fiber to fill pores of the hydrogel fiber with the second aromatic polymer. Previously presented
A graphene-based liquid crystal fiber comprising: a hydrogel fiber comprising a graphene-based compound modified with a first aromatic polymer and a second aromatic polymer filled in pores of the hydrogel fiber, wherein ID/I G o f the graphene-based compound and the graphene-based compound modified with the first aromatic polymer satisfies the following Equation 1: [Equation 1] SVG 16235508.02-16-2022.KZPXWXELLDFLYX7.CLM.1.svg 0.16 1.28 Black and white wherein I D/I G is a mea s ure o f relative crystallinity which represents density of defects, and is calculated as a ratio of a maximum intensity value of a peak of an absorption region at 1350 ± 10 cm⁻¹ (I D) to a ma x imum inten s ity value o f a peak o f an ab so rpti on region at 1590 ± 10 cm⁻¹ (I G), in Raman spectroscopic analysis, (ID/I G)G refer s to ID/IG of the graphene-based compound, and (I D/I G)c refer s to I D/I G o f a graphene composite modified with the first aromatic polymer, and wherein (ID/I G)c o f the graphene composite modified with the first aromatic polymer is 1 or less. Currently amended
The graphene-based liquid crystal fiber of claim 9, wherein the first aromatic monomer and the second aromatic monomer are a phenolic compound containing a nitrogen atom in a st ru ctural unit. Original
The graphene-based liquid crystal fiber of claim 9, wherein adhesion of a graphene composite modified with the first aromatic polymer satisfies the following Equation 2: [Equation 2] SVG 16235508.02-16-2022.KZPXWXELLDFLYX7.CLM.2.svg 0.13 0.55 Black and white wherein F G refer s to adhesion between the graphene-based compounds, and F c refers to adhesion of the graphene composite modified with the first aromatic polymer. Original
Canceled
A graphene-based carbon fiber comprising a graphene-based compound and graphitic nitrogen, having an electrical conductivity of 1 x 10' S/m or more and 1 x 10 6 S/m or less, wherein an inside of the graphene-based carbon fiber is formed of a dense texture which substantially does not include pores. Previously presented
The graphene-based carbon fiber of claim 13, wherein a tensile strength is 300 MPa or more. Original
The graphene-based carbon fiber of claim 13, wherein the graphene- based carbon fiber contains 2 to 10 atom % of the graphitic nitrogen. Original
16. Canceled
Layer stacks claimed or described, ordered top of device to substrate.
graphene-based liquid crystal fiber
graphene-based carbon fiber
Materials described outside the worked examples.
graphene-based compound
first aromatic monomer/first aromatic polymer
graphene composite
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2 is a graph representing a result of observing liquid crystallinity of the prepared graphene composite with a polarizing microscope, depending on a ratio …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Electrical Conductivity | 10000–1000000 S/m | graphene-based compound |
Tensile Strength | ≥ 300 MPa | — |
Table 1
SVG 16235508.
p. 30
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 11,390,966Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a schematic diagram representing a manufacturing process of a graphene-based liquid crystal fiber according to the present invention in which GO is a …
FIG. 2 is a graph representing a result of observing liquid crystallinity of the prepared graphene composite with a polarizing microscope, depending on a ratio …
FIG. 3 is a graph representing result values of a degree of orientation of the manufactured hydrogel fiber depending on a surface polymerization ratio of a first …
FIG. 4 is photographs showing the graphene-based compound and the graphene composite as observed through an atomic force microscope (A F M), illustrating a …
FIG. 5 is a graph in which the graphene-based compound and the graphene composite are analyzed by Raman spectroscopy, wherein the inserted image shows a result …
FIG. 6 illustrates a graph in which the graphene- based compound and the graphene composite are analyzed by a Fourier transform infrared spectrometer (FT-IR). …
FIG. 7 illustrates a graph in which the graphene- based compound and the graphene composite are analyzed by X-ray photoelectron spectroscopy. [0039]
FIG. 8 illustrates a graph in which average adhesion between the graphene-based compounds and between the graphene composite is analyzed by the atomic force …
FIG. 9 is a graph representing tensile strength measurement values of carbon fiber measured depending on a time of filling a fiber manufactured by set-spinning …
FIG. 10 is photographs of carbon fibers manufactured in the Example and the Comparative Examples, as observed through a scanning electron microscope (SEM), in …
FIG. 11 is a graph representing results of analyzing the graphene-based crystal liquid fiber according to an exemplary embodiment of the present invention …
FIG. 12 is photographs showing the carbon fibers manufactured in the Example and the Comparative Example as observed through a high-resolution transmission …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A manufacturing method of a graphene-based liquid crystal fiber comprising: (a) polymerizing a first aromatic monomer on a graphene-based compound to prepare a graphene composite in which a first aromatic polymer is surface-polymerized on the graphene-based compound; (b) wet-spinning the graphene composite to manufacture a hydrogel fiber; and (c) polymerizing a second aromatic monomer on the hydrogel fiber to fill pores of the hydrogel fiber with a second aromatic polymer, wherein the pores of the hydrogel fiber are filled by immersing, at 10 0 C to 50 ° C for 1 hour to 5 hours, the hydrogel fiber in a solution in which the second aromatic monomer is dissolved. Previously presented
The manufacturing method of a graphene-based liquid crystal fiber of claim 1, wherein a weight ratio of the graphene-based compound to the first aromatic monomer is 1:0.01 to 1:10. Original
The manufacturing method of a graphene-based liquid crystal fiber of claim 1, wherein in a process of (a), the first aromatic polymer which is surface-polymerized on the graphene-based compound forms a surface layer with a thickness of 0.1 to 1 nm. Original
The manufacturing method of a graphene-based liquid crystal fiber of claim 1, wherein in a process of (a), the surface polymerization of the first aromatic monomer is oxidation polymerization of the first aromatic monomer on a surface of the graphene-based compound. Original
The manufacturing method of graphene-based liquid crystal fiber of claim 1, wherein a weight ratio of the graphene composite to the second aromatic monomer is 1:0.1 to 1:100. Original
The manufacturing method of graphene-based liquid crystal fiber of claim 1, wherein the first aromatic monomer and the second aromatic monomer are a phenolic compound containing an amine group. Original
A manufacturing method of a graphene-based carbon fiber, comprising: (a) polymerizing a first aromatic monomer on a graphene-based compound to prepare a graphene composite in which a first aromatic polymer is surface-polymerized on the graphene-based compound; (b) wet-spinning the graphene composite to manufacture a hydrogel fiber; and (c) filling pores of the hydrogel fiber with a second aromatic polymer to manufacture a graphene-based liquid crystal fiber; and (d) carbonizing the graphene-based liquid crystal fiber, wherein the pores of the hydrogel fiber are filled by immersing, at 10 0 C to 50 ° C for 1 hour to 5 hours, the hydrogel fiber in a solution in which the second aromatic monomer is dissolved. Previously presented
The manufacturing method of a graphene-based carbon fiber of claim 7, wherein filling comprises polymerizing a second aromatic monomer on the hydrogel fiber to fill pores of the hydrogel fiber with the second aromatic polymer. Previously presented
A graphene-based liquid crystal fiber comprising: a hydrogel fiber comprising a graphene-based compound modified with a first aromatic polymer and a second aromatic polymer filled in pores of the hydrogel fiber, wherein ID/I G o f the graphene-based compound and the graphene-based compound modified with the first aromatic polymer satisfies the following Equation 1: [Equation 1] SVG 16235508.02-16-2022.KZPXWXELLDFLYX7.CLM.1.svg 0.16 1.28 Black and white wherein I D/I G is a mea s ure o f relative crystallinity which represents density of defects, and is calculated as a ratio of a maximum intensity value of a peak of an absorption region at 1350 ± 10 cm⁻¹ (I D) to a ma x imum inten s ity value o f a peak o f an ab so rpti on region at 1590 ± 10 cm⁻¹ (I G), in Raman spectroscopic analysis, (ID/I G)G refer s to ID/IG of the graphene-based compound, and (I D/I G)c refer s to I D/I G o f a graphene composite modified with the first aromatic polymer, and wherein (ID/I G)c o f the graphene composite modified with the first aromatic polymer is 1 or less. Currently amended
The graphene-based liquid crystal fiber of claim 9, wherein the first aromatic monomer and the second aromatic monomer are a phenolic compound containing a nitrogen atom in a st ru ctural unit. Original
The graphene-based liquid crystal fiber of claim 9, wherein adhesion of a graphene composite modified with the first aromatic polymer satisfies the following Equation 2: [Equation 2] SVG 16235508.02-16-2022.KZPXWXELLDFLYX7.CLM.2.svg 0.13 0.55 Black and white wherein F G refer s to adhesion between the graphene-based compounds, and F c refers to adhesion of the graphene composite modified with the first aromatic polymer. Original
Canceled
A graphene-based carbon fiber comprising a graphene-based compound and graphitic nitrogen, having an electrical conductivity of 1 x 10' S/m or more and 1 x 10 6 S/m or less, wherein an inside of the graphene-based carbon fiber is formed of a dense texture which substantially does not include pores. Previously presented
The graphene-based carbon fiber of claim 13, wherein a tensile strength is 300 MPa or more. Original
The graphene-based carbon fiber of claim 13, wherein the graphene- based carbon fiber contains 2 to 10 atom % of the graphitic nitrogen. Original
16. Canceled
Layer stacks claimed or described, ordered top of device to substrate.
graphene-based liquid crystal fiber
graphene-based carbon fiber
Materials described outside the worked examples.
graphene-based compound
first aromatic monomer/first aromatic polymer
graphene composite
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2 is a graph representing a result of observing liquid crystallinity of the prepared graphene composite with a polarizing microscope, depending on a ratio …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Electrical Conductivity | 10000–1000000 S/m | graphene-based compound |
Tensile Strength | ≥ 300 MPa | — |
Table 1
SVG 16235508.
p. 30
Related documents with shared materials, methods, properties, or citations.
second aromatic monomer/second aromatic polymer
graphitic nitrogen
phenolic compound containing amine group
FIG. 3 is a graph representing result values of a degree of orientation of the manufactured hydrogel fiber depending on a surface polymerization ratio of a first …
FIG. 4 is photographs showing the graphene-based compound and the graphene composite as observed through an atomic force microscope (A F M), illustrating a …
FIG. 5 is a graph in which the graphene-based compound and the graphene composite are analyzed by Raman spectroscopy, wherein the inserted image shows a result …
FIG. 6 illustrates a graph in which the graphene- based compound and the graphene composite are analyzed by a Fourier transform infrared spectrometer (FT-IR). …
FIG. 7 illustrates a graph in which the graphene- based compound and the graphene composite are analyzed by X-ray photoelectron spectroscopy. [0039]
FIG. 8 illustrates a graph in which average adhesion between the graphene-based compounds and between the graphene composite is analyzed by the atomic force …
FIG. 9 is a graph representing tensile strength measurement values of carbon fiber measured depending on a time of filling a fiber manufactured by set-spinning …
FIG. 10 is photographs of carbon fibers manufactured in the Example and the Comparative Examples, as observed through a scanning electron microscope (SEM), in …
FIG. 11 is a graph representing results of analyzing the graphene-based crystal liquid fiber according to an exemplary embodiment of the present invention …
FIG. 11 is a graph representing results of analyzing the graphene-based crystal liquid fiber according to an exemplary embodiment of the present invention …
FIG. 12 is photographs showing the carbon fibers manufactured in the Example and the Comparative Example as observed through a high-resolution transmission …
Graphitic Nitrogen Content | 2–10 atom% | graphitic nitrogen |
Raman Id Ig Ratio | ≤ 1 dimensionless | graphene composite |
Duration | 1–20 hours | — |
Duration | 1–1000 minutes | — |
Duration | 5–500 minutes | — |
Duration | 5–300 minutes | — |
Duration | 10–80 minutes | — |
Duration | 10–50 minutes | — |
Thickness | 0.1–10 nm | — |
Thickness | 0.15–5 nm | — |
Thickness | 0.2–1 nm | — |
Temperature | 5–100 °C | — |
Temperature | 0–80 °C | — |
Temperature | 10–50 °C | — |
Duration | 600–36000 s | — |
Duration | 1–5 hours | — |
Duration | 1–3 hours | — |
Duration | 600–21600 s | — |
Duration | 1800–72000 s | — |
Thickness | 0.2–0.5 nm | — |
Temperature | 10–100 °C | — |
Temperature | 20–50 °C | — |
Temperature | 20–80 °C | — |
Temperature | 600–2000 °C | — |
Temperature | 800–1500 °C | — |
Temperature | 0.5–5 °C | — |
Temperature | 1–3 °C | — |
Thickness | 40–50 nm | — |
Thickness | 0.1–1 nm | — |
second aromatic monomer/second aromatic polymer
graphitic nitrogen
phenolic compound containing amine group
FIG. 3 is a graph representing result values of a degree of orientation of the manufactured hydrogel fiber depending on a surface polymerization ratio of a first …
FIG. 4 is photographs showing the graphene-based compound and the graphene composite as observed through an atomic force microscope (A F M), illustrating a …
FIG. 5 is a graph in which the graphene-based compound and the graphene composite are analyzed by Raman spectroscopy, wherein the inserted image shows a result …
FIG. 6 illustrates a graph in which the graphene- based compound and the graphene composite are analyzed by a Fourier transform infrared spectrometer (FT-IR). …
FIG. 7 illustrates a graph in which the graphene- based compound and the graphene composite are analyzed by X-ray photoelectron spectroscopy. [0039]
FIG. 8 illustrates a graph in which average adhesion between the graphene-based compounds and between the graphene composite is analyzed by the atomic force …
FIG. 9 is a graph representing tensile strength measurement values of carbon fiber measured depending on a time of filling a fiber manufactured by set-spinning …
FIG. 10 is photographs of carbon fibers manufactured in the Example and the Comparative Examples, as observed through a scanning electron microscope (SEM), in …
FIG. 11 is a graph representing results of analyzing the graphene-based crystal liquid fiber according to an exemplary embodiment of the present invention …
FIG. 11 is a graph representing results of analyzing the graphene-based crystal liquid fiber according to an exemplary embodiment of the present invention …
FIG. 12 is photographs showing the carbon fibers manufactured in the Example and the Comparative Example as observed through a high-resolution transmission …
Graphitic Nitrogen Content | 2–10 atom% | graphitic nitrogen |
Raman Id Ig Ratio | ≤ 1 dimensionless | graphene composite |
Duration | 1–20 hours | — |
Duration | 1–1000 minutes | — |
Duration | 5–500 minutes | — |
Duration | 5–300 minutes | — |
Duration | 10–80 minutes | — |
Duration | 10–50 minutes | — |
Thickness | 0.1–10 nm | — |
Thickness | 0.15–5 nm | — |
Thickness | 0.2–1 nm | — |
Temperature | 5–100 °C | — |
Temperature | 0–80 °C | — |
Temperature | 10–50 °C | — |
Duration | 600–36000 s | — |
Duration | 1–5 hours | — |
Duration | 1–3 hours | — |
Duration | 600–21600 s | — |
Duration | 1800–72000 s | — |
Thickness | 0.2–0.5 nm | — |
Temperature | 10–100 °C | — |
Temperature | 20–50 °C | — |
Temperature | 20–80 °C | — |
Temperature | 600–2000 °C | — |
Temperature | 800–1500 °C | — |
Temperature | 0.5–5 °C | — |
Temperature | 1–3 °C | — |
Thickness | 40–50 nm | — |
Thickness | 0.1–1 nm | — |
second aromatic monomer/second aromatic polymer
graphitic nitrogen
phenolic compound containing amine group
FIG. 3 is a graph representing result values of a degree of orientation of the manufactured hydrogel fiber depending on a surface polymerization ratio of a first …
FIG. 4 is photographs showing the graphene-based compound and the graphene composite as observed through an atomic force microscope (A F M), illustrating a …
FIG. 5 is a graph in which the graphene-based compound and the graphene composite are analyzed by Raman spectroscopy, wherein the inserted image shows a result …
FIG. 6 illustrates a graph in which the graphene- based compound and the graphene composite are analyzed by a Fourier transform infrared spectrometer (FT-IR). …
FIG. 7 illustrates a graph in which the graphene- based compound and the graphene composite are analyzed by X-ray photoelectron spectroscopy. [0039]
FIG. 8 illustrates a graph in which average adhesion between the graphene-based compounds and between the graphene composite is analyzed by the atomic force …
FIG. 9 is a graph representing tensile strength measurement values of carbon fiber measured depending on a time of filling a fiber manufactured by set-spinning …
FIG. 10 is photographs of carbon fibers manufactured in the Example and the Comparative Examples, as observed through a scanning electron microscope (SEM), in …
FIG. 11 is a graph representing results of analyzing the graphene-based crystal liquid fiber according to an exemplary embodiment of the present invention …
FIG. 11 is a graph representing results of analyzing the graphene-based crystal liquid fiber according to an exemplary embodiment of the present invention …
FIG. 12 is photographs showing the carbon fibers manufactured in the Example and the Comparative Example as observed through a high-resolution transmission …
Graphitic Nitrogen Content | 2–10 atom% | graphitic nitrogen |
Raman Id Ig Ratio | ≤ 1 dimensionless | graphene composite |
Duration | 1–20 hours | — |
Duration | 1–1000 minutes | — |
Duration | 5–500 minutes | — |
Duration | 5–300 minutes | — |
Duration | 10–80 minutes | — |
Duration | 10–50 minutes | — |
Thickness | 0.1–10 nm | — |
Thickness | 0.15–5 nm | — |
Thickness | 0.2–1 nm | — |
Temperature | 5–100 °C | — |
Temperature | 0–80 °C | — |
Temperature | 10–50 °C | — |
Duration | 600–36000 s | — |
Duration | 1–5 hours | — |
Duration | 1–3 hours | — |
Duration | 600–21600 s | — |
Duration | 1800–72000 s | — |
Thickness | 0.2–0.5 nm | — |
Temperature | 10–100 °C | — |
Temperature | 20–50 °C | — |
Temperature | 20–80 °C | — |
Temperature | 600–2000 °C | — |
Temperature | 800–1500 °C | — |
Temperature | 0.5–5 °C | — |
Temperature | 1–3 °C | — |
Thickness | 40–50 nm | — |
Thickness | 0.1–1 nm | — |
second aromatic monomer/second aromatic polymer
graphitic nitrogen
phenolic compound containing amine group
FIG. 3 is a graph representing result values of a degree of orientation of the manufactured hydrogel fiber depending on a surface polymerization ratio of a first …
FIG. 4 is photographs showing the graphene-based compound and the graphene composite as observed through an atomic force microscope (A F M), illustrating a …
FIG. 5 is a graph in which the graphene-based compound and the graphene composite are analyzed by Raman spectroscopy, wherein the inserted image shows a result …
FIG. 6 illustrates a graph in which the graphene- based compound and the graphene composite are analyzed by a Fourier transform infrared spectrometer (FT-IR). …
FIG. 7 illustrates a graph in which the graphene- based compound and the graphene composite are analyzed by X-ray photoelectron spectroscopy. [0039]
FIG. 8 illustrates a graph in which average adhesion between the graphene-based compounds and between the graphene composite is analyzed by the atomic force …
FIG. 9 is a graph representing tensile strength measurement values of carbon fiber measured depending on a time of filling a fiber manufactured by set-spinning …
FIG. 10 is photographs of carbon fibers manufactured in the Example and the Comparative Examples, as observed through a scanning electron microscope (SEM), in …
FIG. 11 is a graph representing results of analyzing the graphene-based crystal liquid fiber according to an exemplary embodiment of the present invention …
FIG. 11 is a graph representing results of analyzing the graphene-based crystal liquid fiber according to an exemplary embodiment of the present invention …
FIG. 12 is photographs showing the carbon fibers manufactured in the Example and the Comparative Example as observed through a high-resolution transmission …
Graphitic Nitrogen Content | 2–10 atom% | graphitic nitrogen |
Raman Id Ig Ratio | ≤ 1 dimensionless | graphene composite |
Duration | 1–20 hours | — |
Duration | 1–1000 minutes | — |
Duration | 5–500 minutes | — |
Duration | 5–300 minutes | — |
Duration | 10–80 minutes | — |
Duration | 10–50 minutes | — |
Thickness | 0.1–10 nm | — |
Thickness | 0.15–5 nm | — |
Thickness | 0.2–1 nm | — |
Temperature | 5–100 °C | — |
Temperature | 0–80 °C | — |
Temperature | 10–50 °C | — |
Duration | 600–36000 s | — |
Duration | 1–5 hours | — |
Duration | 1–3 hours | — |
Duration | 600–21600 s | — |
Duration | 1800–72000 s | — |
Thickness | 0.2–0.5 nm | — |
Temperature | 10–100 °C | — |
Temperature | 20–50 °C | — |
Temperature | 20–80 °C | — |
Temperature | 600–2000 °C | — |
Temperature | 800–1500 °C | — |
Temperature | 0.5–5 °C | — |
Temperature | 1–3 °C | — |
Thickness | 40–50 nm | — |
Thickness | 0.1–1 nm | — |