Patent
US 9,017,805POLYIMIDE-GRAPHENE COMPOSITE MATERIAL AND METHOD FOR PREPARING SAME
Nam Ho YOU
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
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US 9,017,805Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 describes a process of preparing a polyimide-graphene composite material according to an exemplary embodiment of the present disclosure;
FIGS. 2a, 2b and 2c show amine-substituted graphenes according to exemplary embodiments of the present disclosure;
FIG. 3 shows tensile strength of a polyimide-graphene composite material according to an exemplary embodiment of the present disclosure depending on heat …
FIG. 4 shows tensile strength of a polyimide-graphene composite material 6 according to an exemplary embodiment of the present disclosure depending on the …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
Listing of claims: 1-11. canceled
A method for preparing a polymer-graphene composite material, comprising: modifying [[to]] by covalently bonding an amine-substituted aromatic com p ound on a surface of the grap hene so as to p roduce any one of the following SVG 13850416.12-22-2014.I₄₂QKNC₉PXXIFW2.CLM.1.svg 0.17 6.49 Black and white amino group: SVG 13850416.12-22-2014.I₄₂QKNC₉PXXIFW2.CLM.2.svg 0.88 1.45 Black and white (Gr aphe nej (1) SVG 13850416.12-22-2014.I₄₂QKNC₉PXXIFW2.CLM.3.svg 0.81 1.4 Black and white Grap hen e (2) SVG 13850416.12-22-2014.I₄₂QKNC₉PXXIFW2.CLM.4.svg 0.73 0.7 Black and white Graphene (3) SVG 13850416.12-22-2014.I₄₂QKNC₉PXXIFW2.CLM.5.svg 0.17 5.87 Black and white react with each-other the modified grap hene to produce a polymer precursor- graphene composite; and Page 2 of 6 Application Serial No. 13/850,416 PATENT Reply to Office Action of Docket: CU-70402 heat-treating to polymerize the polymer precursor-graphene composite to prepare a polymer-graphene composite material, wherein the polymer precursor is a precursor [[of]] that forms at least one selected from the group consisting of polyacrylonitrile, polyamide, polybenzoxazole and polybenzimidazole.
The method for preparing a polymer-graphene composite material according to claim 12, which further comprises adding a basic catalyst during the polymerization.
The method for preparing a polymer-graphene composite material according to claim 12, wherein the graphene is graphene exfoliated from graphite without acid treatment or reduced graphene oxide obtained by heat-treating or chemically treating graphene oxide.
The method for preparing a polymer-graphene composite material according to claim 12, wherein, during the modification or the polymerization, shear is applied to the graphene along a circumferential direction using a homogenizer.
The method for preparing a polymer-graphene composite material according to claim 12, wherein the heat treatment is performed at 190-210 QC.
The method for preparing a polymer-graphene composite material according to claim 12, wherein the amount of the modified graphene is 0.1-30 wt% based on the weight of the polymer precursor. Page 3 of 6
Materials described outside the worked examples.
modified graphene
polyacrylonitrile
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Temperature | 190–210 °C | — |
Patent
Atlas literature
Patent
US 9,017,805Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 describes a process of preparing a polyimide-graphene composite material according to an exemplary embodiment of the present disclosure;
FIGS. 2a, 2b and 2c show amine-substituted graphenes according to exemplary embodiments of the present disclosure;
FIG. 3 shows tensile strength of a polyimide-graphene composite material according to an exemplary embodiment of the present disclosure depending on heat …
FIG. 4 shows tensile strength of a polyimide-graphene composite material 6 according to an exemplary embodiment of the present disclosure depending on the …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
Listing of claims: 1-11. canceled
A method for preparing a polymer-graphene composite material, comprising: modifying [[to]] by covalently bonding an amine-substituted aromatic com p ound on a surface of the grap hene so as to p roduce any one of the following SVG 13850416.12-22-2014.I₄₂QKNC₉PXXIFW2.CLM.1.svg 0.17 6.49 Black and white amino group: SVG 13850416.12-22-2014.I₄₂QKNC₉PXXIFW2.CLM.2.svg 0.88 1.45 Black and white (Gr aphe nej (1) SVG 13850416.12-22-2014.I₄₂QKNC₉PXXIFW2.CLM.3.svg 0.81 1.4 Black and white Grap hen e (2) SVG 13850416.12-22-2014.I₄₂QKNC₉PXXIFW2.CLM.4.svg 0.73 0.7 Black and white Graphene (3) SVG 13850416.12-22-2014.I₄₂QKNC₉PXXIFW2.CLM.5.svg 0.17 5.87 Black and white react with each-other the modified grap hene to produce a polymer precursor- graphene composite; and Page 2 of 6 Application Serial No. 13/850,416 PATENT Reply to Office Action of Docket: CU-70402 heat-treating to polymerize the polymer precursor-graphene composite to prepare a polymer-graphene composite material, wherein the polymer precursor is a precursor [[of]] that forms at least one selected from the group consisting of polyacrylonitrile, polyamide, polybenzoxazole and polybenzimidazole.
The method for preparing a polymer-graphene composite material according to claim 12, which further comprises adding a basic catalyst during the polymerization.
The method for preparing a polymer-graphene composite material according to claim 12, wherein the graphene is graphene exfoliated from graphite without acid treatment or reduced graphene oxide obtained by heat-treating or chemically treating graphene oxide.
The method for preparing a polymer-graphene composite material according to claim 12, wherein, during the modification or the polymerization, shear is applied to the graphene along a circumferential direction using a homogenizer.
The method for preparing a polymer-graphene composite material according to claim 12, wherein the heat treatment is performed at 190-210 QC.
The method for preparing a polymer-graphene composite material according to claim 12, wherein the amount of the modified graphene is 0.1-30 wt% based on the weight of the polymer precursor. Page 3 of 6
Materials described outside the worked examples.
modified graphene
polyacrylonitrile
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Temperature | 190–210 °C | — |
Patent
Atlas literature
Patent
US 9,017,805Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 describes a process of preparing a polyimide-graphene composite material according to an exemplary embodiment of the present disclosure;
FIGS. 2a, 2b and 2c show amine-substituted graphenes according to exemplary embodiments of the present disclosure;
FIG. 3 shows tensile strength of a polyimide-graphene composite material according to an exemplary embodiment of the present disclosure depending on heat …
FIG. 4 shows tensile strength of a polyimide-graphene composite material 6 according to an exemplary embodiment of the present disclosure depending on the …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
Listing of claims: 1-11. canceled
A method for preparing a polymer-graphene composite material, comprising: modifying [[to]] by covalently bonding an amine-substituted aromatic com p ound on a surface of the grap hene so as to p roduce any one of the following SVG 13850416.12-22-2014.I₄₂QKNC₉PXXIFW2.CLM.1.svg 0.17 6.49 Black and white amino group: SVG 13850416.12-22-2014.I₄₂QKNC₉PXXIFW2.CLM.2.svg 0.88 1.45 Black and white (Gr aphe nej (1) SVG 13850416.12-22-2014.I₄₂QKNC₉PXXIFW2.CLM.3.svg 0.81 1.4 Black and white Grap hen e (2) SVG 13850416.12-22-2014.I₄₂QKNC₉PXXIFW2.CLM.4.svg 0.73 0.7 Black and white Graphene (3) SVG 13850416.12-22-2014.I₄₂QKNC₉PXXIFW2.CLM.5.svg 0.17 5.87 Black and white react with each-other the modified grap hene to produce a polymer precursor- graphene composite; and Page 2 of 6 Application Serial No. 13/850,416 PATENT Reply to Office Action of Docket: CU-70402 heat-treating to polymerize the polymer precursor-graphene composite to prepare a polymer-graphene composite material, wherein the polymer precursor is a precursor [[of]] that forms at least one selected from the group consisting of polyacrylonitrile, polyamide, polybenzoxazole and polybenzimidazole.
The method for preparing a polymer-graphene composite material according to claim 12, which further comprises adding a basic catalyst during the polymerization.
The method for preparing a polymer-graphene composite material according to claim 12, wherein the graphene is graphene exfoliated from graphite without acid treatment or reduced graphene oxide obtained by heat-treating or chemically treating graphene oxide.
The method for preparing a polymer-graphene composite material according to claim 12, wherein, during the modification or the polymerization, shear is applied to the graphene along a circumferential direction using a homogenizer.
The method for preparing a polymer-graphene composite material according to claim 12, wherein the heat treatment is performed at 190-210 QC.
The method for preparing a polymer-graphene composite material according to claim 12, wherein the amount of the modified graphene is 0.1-30 wt% based on the weight of the polymer precursor. Page 3 of 6
Materials described outside the worked examples.
modified graphene
polyacrylonitrile
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Temperature | 190–210 °C | — |
Patent
Atlas literature
Patent
US 9,017,805Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 describes a process of preparing a polyimide-graphene composite material according to an exemplary embodiment of the present disclosure;
FIGS. 2a, 2b and 2c show amine-substituted graphenes according to exemplary embodiments of the present disclosure;
FIG. 3 shows tensile strength of a polyimide-graphene composite material according to an exemplary embodiment of the present disclosure depending on heat …
FIG. 4 shows tensile strength of a polyimide-graphene composite material 6 according to an exemplary embodiment of the present disclosure depending on the …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
Listing of claims: 1-11. canceled
A method for preparing a polymer-graphene composite material, comprising: modifying [[to]] by covalently bonding an amine-substituted aromatic com p ound on a surface of the grap hene so as to p roduce any one of the following SVG 13850416.12-22-2014.I₄₂QKNC₉PXXIFW2.CLM.1.svg 0.17 6.49 Black and white amino group: SVG 13850416.12-22-2014.I₄₂QKNC₉PXXIFW2.CLM.2.svg 0.88 1.45 Black and white (Gr aphe nej (1) SVG 13850416.12-22-2014.I₄₂QKNC₉PXXIFW2.CLM.3.svg 0.81 1.4 Black and white Grap hen e (2) SVG 13850416.12-22-2014.I₄₂QKNC₉PXXIFW2.CLM.4.svg 0.73 0.7 Black and white Graphene (3) SVG 13850416.12-22-2014.I₄₂QKNC₉PXXIFW2.CLM.5.svg 0.17 5.87 Black and white react with each-other the modified grap hene to produce a polymer precursor- graphene composite; and Page 2 of 6 Application Serial No. 13/850,416 PATENT Reply to Office Action of Docket: CU-70402 heat-treating to polymerize the polymer precursor-graphene composite to prepare a polymer-graphene composite material, wherein the polymer precursor is a precursor [[of]] that forms at least one selected from the group consisting of polyacrylonitrile, polyamide, polybenzoxazole and polybenzimidazole.
The method for preparing a polymer-graphene composite material according to claim 12, which further comprises adding a basic catalyst during the polymerization.
The method for preparing a polymer-graphene composite material according to claim 12, wherein the graphene is graphene exfoliated from graphite without acid treatment or reduced graphene oxide obtained by heat-treating or chemically treating graphene oxide.
The method for preparing a polymer-graphene composite material according to claim 12, wherein, during the modification or the polymerization, shear is applied to the graphene along a circumferential direction using a homogenizer.
The method for preparing a polymer-graphene composite material according to claim 12, wherein the heat treatment is performed at 190-210 QC.
The method for preparing a polymer-graphene composite material according to claim 12, wherein the amount of the modified graphene is 0.1-30 wt% based on the weight of the polymer precursor. Page 3 of 6
Materials described outside the worked examples.
modified graphene
polyacrylonitrile
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Temperature | 190–210 °C | — |
polyamide
polybenzoxazole
polybenzimidazole
amine-substituted aromatic compound
graphene exfoliated from graphite without acid treatment
reduced graphene oxide
polyimide
polyamic acid (PAA)
4-nitrobenzenediazonium tetrafluoroborate
polyimide-graphene composite material
basic catalyst
polyamide
polybenzoxazole
polybenzimidazole
amine-substituted aromatic compound
graphene exfoliated from graphite without acid treatment
reduced graphene oxide
polyimide
polyamic acid (PAA)
4-nitrobenzenediazonium tetrafluoroborate
polyimide-graphene composite material
basic catalyst
polyamide
polybenzoxazole
polybenzimidazole
amine-substituted aromatic compound
graphene exfoliated from graphite without acid treatment
reduced graphene oxide
polyimide
polyamic acid (PAA)
4-nitrobenzenediazonium tetrafluoroborate
polyimide-graphene composite material
basic catalyst
polyamide
polybenzoxazole
polybenzimidazole
amine-substituted aromatic compound
graphene exfoliated from graphite without acid treatment
reduced graphene oxide
polyimide
polyamic acid (PAA)
4-nitrobenzenediazonium tetrafluoroborate
polyimide-graphene composite material
basic catalyst