Patent
US 10,087,335METHOD FOR THE PREPARATION OF POLYANILINE/REDUCED GRAPHENE OXIDE COMPOSITES
Sergio BOCCHINI
US
Copyright © 2026 Matter42. All rights reserved.
Patent drawings and their descriptions. Click a drawing to enlarge it.
Figure 1 illustrates a method of synthesis of the 20 polyaniline according to the known art; -
Figure 2 illustrates the formula and structure of the graphene oxide; -
Figure 3 illustrates the X-ray spectrum of the composite according to the invention (rGO-PANI) compared with that of 25 the starting graphene oxide (GO); -
Figure 4 illustrates the thermogravimetric analysis of the composite according to the invention (rGO-PANI) in air and in nitrogen; -
Figure 5 illustrates the UV-VIS spectrum of the composite 30 according to the invention (r G O-PANI) dissolved in DMSO (transmittance); -
Figure 6 illustrates the UV-VIS spectrum of the composite according to the invention (r G O-PANI) dissolved in DMSO (Absorbance); 35 -
Figure 7 illustrates a transmission electron microscopy (TEM) of the composite according to the invention;-5--
Figure 8 illustrates a transmission electron microscopy (TEM), enlargement of the image shown in
Figure 9 illustrates two optical microscope details of traces printed on commercial polyimide substrate; 5 -
Figure 10 illustrates an example of collection of curves I-V in the range -50, +50 V, with variation in the width of the printed trace for the rGO-PANI composite; -
Figure 11 illustrates an example of collection of curves I-V in the range -100, +100 V of P ANI, with indication of the 10 experimental error bars. BEST MODE FOR CARRYING OUT THE INVENTION According to a first aspect of the invention, a method is provided for obtaining composites of polyaniline and …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
Method for obtaining polyaniline/reduced graphene oxide composites comprising the steps of: dispersing the graphene oxide in an acid aqueous solution containing an anionic emulsifying agent to obtain a graphene oxide dispersion; dissolving one or more oligomers of the aniline in an organic solvent to obtain an oligomer solution; mixing said oligomer solution with said dispersion of graphene oxide to obtain a polyaniline/reduced graphene oxide composite. Previously presented
Method according to claim 1 wherein said oligomer is a dimer of aniline. Previously presented
Method according to claim 1 wherein said oligomer is substituted alternatively in one of the ortho and meta positions at the nitrogen atom or on the nitrogen atom itself by a radical selected from the group consisting of methoxyl, ethyoxyl, propyloxyl, methyl, ethyl, propyl, isopropyl, butyl, isobutyl, terbutyl, pentyl, phenyl, sulfonyl, and vinyl. Currently amended
Method according to claim 1, wherein said anionic emulsifying agent is selected from the group consisting of poly(styrene sulfonate), dodecylbenzenesulfonate, methylbenzenesulfonate (MBSA), 2-amino-ethyl-phosphonate, polyacrylate, adipate, poly(2- acrylamide-3-methyl- i-propane sulfonate), dodecyl diphenyloxide disulfonate, N, N'-dimethyl (methacryloyl ethyl) ammonium propane sulfonate, 2-acrylamide-2-methyl- 1 -propane sulfonate, and isophthalate-5-sulfonate. Currently amended
Method according to claim 1, wherein said organic solvent is selected from the group consisting of 1,2-butanediol, 1,3-butanediol, 1,3-propanediol, 1,4-butanediol, 1,4- dioxane, 1,5-pentanediol, 1-propanol, 2-butoxyethanol, 2-propanol, acetaldehyde, acetic acid, acetone, acetonitrile, butyric acid, diethanolamine, diethylene triamine, dimethoxyethane, dimethyl sulfoxide, N,N-dimethylformamide, ethanol, ethylamine, ethylene glycol, formic acid, furfuryl alcohol, glycerol, methanol, methyl diethanolamine, methyl isocyanide, propanoic acid, propylene glycol, pyridine, tetrahydrofuran, triethylene glycol, N-methylpyrrolidone, and N,N-dimethylacetamide. Currently amended
Method according to claim 1, further comprising a heating step after said step of mixing said oligomer solution with said dispersion of graphene oxide. Previously presented
Method according to claim 1, wherein said acid aqueous solution is an aqueous solution of an acid chosen from the group consisting of hydrochloric, nitric, sulphuric and phosphoric acid. Previously presented
The method of claim 1, further comprising: recovering a precipitate of the polyaniline/reduced graphene oxide composite; and dissolving the precipitate in an organic solvent to form a conductive ink. Currently amended
Materials described outside the worked examples.
graphene oxide
aniline oligomer
polyaniline/reduced graphene oxide composite
anionic emulsifying agent
dimer of aniline (N-phenyl-1,4-phenylenediamine, DANI)
anionic emulsifying agent (selected from poly(styrene sulfonate), dodecylbenzenesulfonate, methylbenzenesulfonate (MBSA), 2-amino-ethyl-phosphonate, polyacrylate, adipate, poly(2-acrylamide-3-methyl-i-propane sulfonate), dodecyl diphenyloxide disulfonate, N,N'-dimethyl (methacryloyl ethyl) ammonium propane sulfonate, 2-acrylamide-2-methyl-1-propane sulfonate, isophthalate-5-sulfonate)
organic solvent (selected from 1,2-butanediol, 1,3-butanediol, 1,3-propanediol, 1,4-butanediol, 1,4-dioxane, 1,5-pentanediol, 1-propanol, 2-butoxyethanol, 2-propanol, acetaldehyde, acetic acid, acetone, acetonitrile, butyric acid, diethanolamine, diethylene triamine, dimethoxyethane, dimethyl sulfoxide, N,N-dimethylformamide, ethanol, ethylamine, ethylene glycol, formic acid, furfuryl alcohol, glycerol, methanol, methyl diethanolamine, methyl isocyanide, propanoic acid, propylene glycol, pyridine, tetrahydrofuran, triethylene glycol, N-methylpyrrolidone, N,N-dimethylacetamide)
acid aqueous solution (hydrochloric, nitric, sulphuric or phosphoric acid)
conductive ink (polyaniline/reduced graphene oxide in organic solvent)
reduced graphene oxide (rGO)
polyaniline (PANI)
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
Figure 5 illustrates the UV-VIS spectrum of the composite 30 according to the invention (r G O-PANI) dissolved in DMSO (transmittance); -
Figure 6 illustrates the UV-VIS spectrum of the composite according to the invention (r G O-PANI) dissolved in DMSO (Absorbance); 35 -
Figure 7 illustrates a transmission electron microscopy (TEM) of the composite according to the invention;-5--
Figure 8 illustrates a transmission electron microscopy (TEM), enlargement of the image shown in
Figure 10 illustrates an example of collection of curves I-V in the range -50, +50 V, with variation in the width of the printed trace for the rGO-PANI composite; -
Figure 11 illustrates an example of collection of curves I-V in the range -100, +100 V of P ANI, with indication of the 10 experimental error bars. BEST MODE FOR CARRYING OUT THE INVENTION According to a first aspect of the invention, a method is provided for obtaining composites of polyaniline and …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Duration | 1200–21600 s | — |
Temperature | 40–90 °C | — |
Related documents with shared materials, methods, properties, or citations.
METHODS FOR SYNTHESIS OF GRAPHENE DERIVATIVES AND FUNCTIONAL MATERIALS FROM ASPHALTENES
GRAPHENE DISPERSION AND GRAPHENE REINFORCED POLYMER
METHOD FOR DIRECTLY PREPARING EXPANDED GRAPHITE OR GRAPHENE UNDER NORMAL TEMPERATURE AND NORMAL PRESSURE
OPTICAL DETECTOR DEVICE WITH PATTERNED GRAPHENE LAYER AND RELATED METHODS
KETYL RADICAL INDUCED PHOTOREDUCTION OF GRAPHENE OXIDE; GRAFTING OF METAL NANOPARTICLES ON GRAPHENE BY PHOTOREDUCTION
HIGH RESOLUTION THERMO-ELECTRIC NANOWIRE AND GRAPHENE COUPLED DETECTOR SYSTEM
GRAPHENE LIGHT-EMITTING DEVICE AND METHOD OF MANUFACTURING THE SAME
COMPOSITIONS INCLUDING POLY(HYDROXYALKANOATES) AND GRAPHENE
PRODUCTION OF GRAPHENE MATERIALS IN A CAVITATING FLUID
PHOTOELECTRONIC DEVICE USING HYBRID STRUCTURE OF SILICA NANO PARTICLES - GRAPHENE QUANTUM DOTS AND METHOD OF MANUFACTURING THE SAME
GRAPHENE ENHANCED PIEZOELECTRIC ARTICLE OF MANUFACTURE, SYSTEM AND METHOD OF ENERGY GENERATOR AND STORAGE CELL
SYNTHESIS AND APPLICATIONS OF GRAPHENE BASED NANOMATERIALS
Patent drawings and their descriptions. Click a drawing to enlarge it.
Figure 1 illustrates a method of synthesis of the 20 polyaniline according to the known art; -
Figure 2 illustrates the formula and structure of the graphene oxide; -
Figure 3 illustrates the X-ray spectrum of the composite according to the invention (rGO-PANI) compared with that of 25 the starting graphene oxide (GO); -
Figure 4 illustrates the thermogravimetric analysis of the composite according to the invention (rGO-PANI) in air and in nitrogen; -
Figure 5 illustrates the UV-VIS spectrum of the composite 30 according to the invention (r G O-PANI) dissolved in DMSO (transmittance); -
Figure 6 illustrates the UV-VIS spectrum of the composite according to the invention (r G O-PANI) dissolved in DMSO (Absorbance); 35 -
Figure 7 illustrates a transmission electron microscopy (TEM) of the composite according to the invention;-5--
Figure 8 illustrates a transmission electron microscopy (TEM), enlargement of the image shown in
Figure 9 illustrates two optical microscope details of traces printed on commercial polyimide substrate; 5 -
Figure 10 illustrates an example of collection of curves I-V in the range -50, +50 V, with variation in the width of the printed trace for the rGO-PANI composite; -
Figure 11 illustrates an example of collection of curves I-V in the range -100, +100 V of P ANI, with indication of the 10 experimental error bars. BEST MODE FOR CARRYING OUT THE INVENTION According to a first aspect of the invention, a method is provided for obtaining composites of polyaniline and …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
Method for obtaining polyaniline/reduced graphene oxide composites comprising the steps of: dispersing the graphene oxide in an acid aqueous solution containing an anionic emulsifying agent to obtain a graphene oxide dispersion; dissolving one or more oligomers of the aniline in an organic solvent to obtain an oligomer solution; mixing said oligomer solution with said dispersion of graphene oxide to obtain a polyaniline/reduced graphene oxide composite. Previously presented
Method according to claim 1 wherein said oligomer is a dimer of aniline. Previously presented
Method according to claim 1 wherein said oligomer is substituted alternatively in one of the ortho and meta positions at the nitrogen atom or on the nitrogen atom itself by a radical selected from the group consisting of methoxyl, ethyoxyl, propyloxyl, methyl, ethyl, propyl, isopropyl, butyl, isobutyl, terbutyl, pentyl, phenyl, sulfonyl, and vinyl. Currently amended
Method according to claim 1, wherein said anionic emulsifying agent is selected from the group consisting of poly(styrene sulfonate), dodecylbenzenesulfonate, methylbenzenesulfonate (MBSA), 2-amino-ethyl-phosphonate, polyacrylate, adipate, poly(2- acrylamide-3-methyl- i-propane sulfonate), dodecyl diphenyloxide disulfonate, N, N'-dimethyl (methacryloyl ethyl) ammonium propane sulfonate, 2-acrylamide-2-methyl- 1 -propane sulfonate, and isophthalate-5-sulfonate. Currently amended
Method according to claim 1, wherein said organic solvent is selected from the group consisting of 1,2-butanediol, 1,3-butanediol, 1,3-propanediol, 1,4-butanediol, 1,4- dioxane, 1,5-pentanediol, 1-propanol, 2-butoxyethanol, 2-propanol, acetaldehyde, acetic acid, acetone, acetonitrile, butyric acid, diethanolamine, diethylene triamine, dimethoxyethane, dimethyl sulfoxide, N,N-dimethylformamide, ethanol, ethylamine, ethylene glycol, formic acid, furfuryl alcohol, glycerol, methanol, methyl diethanolamine, methyl isocyanide, propanoic acid, propylene glycol, pyridine, tetrahydrofuran, triethylene glycol, N-methylpyrrolidone, and N,N-dimethylacetamide. Currently amended
Method according to claim 1, further comprising a heating step after said step of mixing said oligomer solution with said dispersion of graphene oxide. Previously presented
Method according to claim 1, wherein said acid aqueous solution is an aqueous solution of an acid chosen from the group consisting of hydrochloric, nitric, sulphuric and phosphoric acid. Previously presented
The method of claim 1, further comprising: recovering a precipitate of the polyaniline/reduced graphene oxide composite; and dissolving the precipitate in an organic solvent to form a conductive ink. Currently amended
Materials described outside the worked examples.
graphene oxide
aniline oligomer
polyaniline/reduced graphene oxide composite
anionic emulsifying agent
dimer of aniline (N-phenyl-1,4-phenylenediamine, DANI)
anionic emulsifying agent (selected from poly(styrene sulfonate), dodecylbenzenesulfonate, methylbenzenesulfonate (MBSA), 2-amino-ethyl-phosphonate, polyacrylate, adipate, poly(2-acrylamide-3-methyl-i-propane sulfonate), dodecyl diphenyloxide disulfonate, N,N'-dimethyl (methacryloyl ethyl) ammonium propane sulfonate, 2-acrylamide-2-methyl-1-propane sulfonate, isophthalate-5-sulfonate)
organic solvent (selected from 1,2-butanediol, 1,3-butanediol, 1,3-propanediol, 1,4-butanediol, 1,4-dioxane, 1,5-pentanediol, 1-propanol, 2-butoxyethanol, 2-propanol, acetaldehyde, acetic acid, acetone, acetonitrile, butyric acid, diethanolamine, diethylene triamine, dimethoxyethane, dimethyl sulfoxide, N,N-dimethylformamide, ethanol, ethylamine, ethylene glycol, formic acid, furfuryl alcohol, glycerol, methanol, methyl diethanolamine, methyl isocyanide, propanoic acid, propylene glycol, pyridine, tetrahydrofuran, triethylene glycol, N-methylpyrrolidone, N,N-dimethylacetamide)
acid aqueous solution (hydrochloric, nitric, sulphuric or phosphoric acid)
conductive ink (polyaniline/reduced graphene oxide in organic solvent)
reduced graphene oxide (rGO)
polyaniline (PANI)
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
Figure 5 illustrates the UV-VIS spectrum of the composite 30 according to the invention (r G O-PANI) dissolved in DMSO (transmittance); -
Figure 6 illustrates the UV-VIS spectrum of the composite according to the invention (r G O-PANI) dissolved in DMSO (Absorbance); 35 -
Figure 7 illustrates a transmission electron microscopy (TEM) of the composite according to the invention;-5--
Figure 8 illustrates a transmission electron microscopy (TEM), enlargement of the image shown in
Figure 10 illustrates an example of collection of curves I-V in the range -50, +50 V, with variation in the width of the printed trace for the rGO-PANI composite; -
Figure 11 illustrates an example of collection of curves I-V in the range -100, +100 V of P ANI, with indication of the 10 experimental error bars. BEST MODE FOR CARRYING OUT THE INVENTION According to a first aspect of the invention, a method is provided for obtaining composites of polyaniline and …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Duration | 1200–21600 s | — |
Temperature | 40–90 °C | — |
Related documents with shared materials, methods, properties, or citations.
METHODS FOR SYNTHESIS OF GRAPHENE DERIVATIVES AND FUNCTIONAL MATERIALS FROM ASPHALTENES
GRAPHENE DISPERSION AND GRAPHENE REINFORCED POLYMER
METHOD FOR DIRECTLY PREPARING EXPANDED GRAPHITE OR GRAPHENE UNDER NORMAL TEMPERATURE AND NORMAL PRESSURE
OPTICAL DETECTOR DEVICE WITH PATTERNED GRAPHENE LAYER AND RELATED METHODS
KETYL RADICAL INDUCED PHOTOREDUCTION OF GRAPHENE OXIDE; GRAFTING OF METAL NANOPARTICLES ON GRAPHENE BY PHOTOREDUCTION
HIGH RESOLUTION THERMO-ELECTRIC NANOWIRE AND GRAPHENE COUPLED DETECTOR SYSTEM
GRAPHENE LIGHT-EMITTING DEVICE AND METHOD OF MANUFACTURING THE SAME
COMPOSITIONS INCLUDING POLY(HYDROXYALKANOATES) AND GRAPHENE
PRODUCTION OF GRAPHENE MATERIALS IN A CAVITATING FLUID
PHOTOELECTRONIC DEVICE USING HYBRID STRUCTURE OF SILICA NANO PARTICLES - GRAPHENE QUANTUM DOTS AND METHOD OF MANUFACTURING THE SAME
GRAPHENE ENHANCED PIEZOELECTRIC ARTICLE OF MANUFACTURE, SYSTEM AND METHOD OF ENERGY GENERATOR AND STORAGE CELL
SYNTHESIS AND APPLICATIONS OF GRAPHENE BASED NANOMATERIALS
Patent drawings and their descriptions. Click a drawing to enlarge it.
Figure 1 illustrates a method of synthesis of the 20 polyaniline according to the known art; -
Figure 2 illustrates the formula and structure of the graphene oxide; -
Figure 3 illustrates the X-ray spectrum of the composite according to the invention (rGO-PANI) compared with that of 25 the starting graphene oxide (GO); -
Figure 4 illustrates the thermogravimetric analysis of the composite according to the invention (rGO-PANI) in air and in nitrogen; -
Figure 5 illustrates the UV-VIS spectrum of the composite 30 according to the invention (r G O-PANI) dissolved in DMSO (transmittance); -
Figure 6 illustrates the UV-VIS spectrum of the composite according to the invention (r G O-PANI) dissolved in DMSO (Absorbance); 35 -
Figure 7 illustrates a transmission electron microscopy (TEM) of the composite according to the invention;-5--
Figure 8 illustrates a transmission electron microscopy (TEM), enlargement of the image shown in
Figure 9 illustrates two optical microscope details of traces printed on commercial polyimide substrate; 5 -
Figure 10 illustrates an example of collection of curves I-V in the range -50, +50 V, with variation in the width of the printed trace for the rGO-PANI composite; -
Figure 11 illustrates an example of collection of curves I-V in the range -100, +100 V of P ANI, with indication of the 10 experimental error bars. BEST MODE FOR CARRYING OUT THE INVENTION According to a first aspect of the invention, a method is provided for obtaining composites of polyaniline and …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
Method for obtaining polyaniline/reduced graphene oxide composites comprising the steps of: dispersing the graphene oxide in an acid aqueous solution containing an anionic emulsifying agent to obtain a graphene oxide dispersion; dissolving one or more oligomers of the aniline in an organic solvent to obtain an oligomer solution; mixing said oligomer solution with said dispersion of graphene oxide to obtain a polyaniline/reduced graphene oxide composite. Previously presented
Method according to claim 1 wherein said oligomer is a dimer of aniline. Previously presented
Method according to claim 1 wherein said oligomer is substituted alternatively in one of the ortho and meta positions at the nitrogen atom or on the nitrogen atom itself by a radical selected from the group consisting of methoxyl, ethyoxyl, propyloxyl, methyl, ethyl, propyl, isopropyl, butyl, isobutyl, terbutyl, pentyl, phenyl, sulfonyl, and vinyl. Currently amended
Method according to claim 1, wherein said anionic emulsifying agent is selected from the group consisting of poly(styrene sulfonate), dodecylbenzenesulfonate, methylbenzenesulfonate (MBSA), 2-amino-ethyl-phosphonate, polyacrylate, adipate, poly(2- acrylamide-3-methyl- i-propane sulfonate), dodecyl diphenyloxide disulfonate, N, N'-dimethyl (methacryloyl ethyl) ammonium propane sulfonate, 2-acrylamide-2-methyl- 1 -propane sulfonate, and isophthalate-5-sulfonate. Currently amended
Method according to claim 1, wherein said organic solvent is selected from the group consisting of 1,2-butanediol, 1,3-butanediol, 1,3-propanediol, 1,4-butanediol, 1,4- dioxane, 1,5-pentanediol, 1-propanol, 2-butoxyethanol, 2-propanol, acetaldehyde, acetic acid, acetone, acetonitrile, butyric acid, diethanolamine, diethylene triamine, dimethoxyethane, dimethyl sulfoxide, N,N-dimethylformamide, ethanol, ethylamine, ethylene glycol, formic acid, furfuryl alcohol, glycerol, methanol, methyl diethanolamine, methyl isocyanide, propanoic acid, propylene glycol, pyridine, tetrahydrofuran, triethylene glycol, N-methylpyrrolidone, and N,N-dimethylacetamide. Currently amended
Method according to claim 1, further comprising a heating step after said step of mixing said oligomer solution with said dispersion of graphene oxide. Previously presented
Method according to claim 1, wherein said acid aqueous solution is an aqueous solution of an acid chosen from the group consisting of hydrochloric, nitric, sulphuric and phosphoric acid. Previously presented
The method of claim 1, further comprising: recovering a precipitate of the polyaniline/reduced graphene oxide composite; and dissolving the precipitate in an organic solvent to form a conductive ink. Currently amended
Materials described outside the worked examples.
graphene oxide
aniline oligomer
polyaniline/reduced graphene oxide composite
anionic emulsifying agent
dimer of aniline (N-phenyl-1,4-phenylenediamine, DANI)
anionic emulsifying agent (selected from poly(styrene sulfonate), dodecylbenzenesulfonate, methylbenzenesulfonate (MBSA), 2-amino-ethyl-phosphonate, polyacrylate, adipate, poly(2-acrylamide-3-methyl-i-propane sulfonate), dodecyl diphenyloxide disulfonate, N,N'-dimethyl (methacryloyl ethyl) ammonium propane sulfonate, 2-acrylamide-2-methyl-1-propane sulfonate, isophthalate-5-sulfonate)
organic solvent (selected from 1,2-butanediol, 1,3-butanediol, 1,3-propanediol, 1,4-butanediol, 1,4-dioxane, 1,5-pentanediol, 1-propanol, 2-butoxyethanol, 2-propanol, acetaldehyde, acetic acid, acetone, acetonitrile, butyric acid, diethanolamine, diethylene triamine, dimethoxyethane, dimethyl sulfoxide, N,N-dimethylformamide, ethanol, ethylamine, ethylene glycol, formic acid, furfuryl alcohol, glycerol, methanol, methyl diethanolamine, methyl isocyanide, propanoic acid, propylene glycol, pyridine, tetrahydrofuran, triethylene glycol, N-methylpyrrolidone, N,N-dimethylacetamide)
acid aqueous solution (hydrochloric, nitric, sulphuric or phosphoric acid)
conductive ink (polyaniline/reduced graphene oxide in organic solvent)
reduced graphene oxide (rGO)
polyaniline (PANI)
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
Figure 5 illustrates the UV-VIS spectrum of the composite 30 according to the invention (r G O-PANI) dissolved in DMSO (transmittance); -
Figure 6 illustrates the UV-VIS spectrum of the composite according to the invention (r G O-PANI) dissolved in DMSO (Absorbance); 35 -
Figure 7 illustrates a transmission electron microscopy (TEM) of the composite according to the invention;-5--
Figure 8 illustrates a transmission electron microscopy (TEM), enlargement of the image shown in
Figure 10 illustrates an example of collection of curves I-V in the range -50, +50 V, with variation in the width of the printed trace for the rGO-PANI composite; -
Figure 11 illustrates an example of collection of curves I-V in the range -100, +100 V of P ANI, with indication of the 10 experimental error bars. BEST MODE FOR CARRYING OUT THE INVENTION According to a first aspect of the invention, a method is provided for obtaining composites of polyaniline and …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Duration | 1200–21600 s | — |
Temperature | 40–90 °C | — |
Related documents with shared materials, methods, properties, or citations.
METHODS FOR SYNTHESIS OF GRAPHENE DERIVATIVES AND FUNCTIONAL MATERIALS FROM ASPHALTENES
GRAPHENE DISPERSION AND GRAPHENE REINFORCED POLYMER
METHOD FOR DIRECTLY PREPARING EXPANDED GRAPHITE OR GRAPHENE UNDER NORMAL TEMPERATURE AND NORMAL PRESSURE
OPTICAL DETECTOR DEVICE WITH PATTERNED GRAPHENE LAYER AND RELATED METHODS
KETYL RADICAL INDUCED PHOTOREDUCTION OF GRAPHENE OXIDE; GRAFTING OF METAL NANOPARTICLES ON GRAPHENE BY PHOTOREDUCTION
HIGH RESOLUTION THERMO-ELECTRIC NANOWIRE AND GRAPHENE COUPLED DETECTOR SYSTEM
GRAPHENE LIGHT-EMITTING DEVICE AND METHOD OF MANUFACTURING THE SAME
COMPOSITIONS INCLUDING POLY(HYDROXYALKANOATES) AND GRAPHENE
PRODUCTION OF GRAPHENE MATERIALS IN A CAVITATING FLUID
PHOTOELECTRONIC DEVICE USING HYBRID STRUCTURE OF SILICA NANO PARTICLES - GRAPHENE QUANTUM DOTS AND METHOD OF MANUFACTURING THE SAME
GRAPHENE ENHANCED PIEZOELECTRIC ARTICLE OF MANUFACTURE, SYSTEM AND METHOD OF ENERGY GENERATOR AND STORAGE CELL
SYNTHESIS AND APPLICATIONS OF GRAPHENE BASED NANOMATERIALS
Patent drawings and their descriptions. Click a drawing to enlarge it.
Figure 1 illustrates a method of synthesis of the 20 polyaniline according to the known art; -
Figure 2 illustrates the formula and structure of the graphene oxide; -
Figure 3 illustrates the X-ray spectrum of the composite according to the invention (rGO-PANI) compared with that of 25 the starting graphene oxide (GO); -
Figure 4 illustrates the thermogravimetric analysis of the composite according to the invention (rGO-PANI) in air and in nitrogen; -
Figure 5 illustrates the UV-VIS spectrum of the composite 30 according to the invention (r G O-PANI) dissolved in DMSO (transmittance); -
Figure 6 illustrates the UV-VIS spectrum of the composite according to the invention (r G O-PANI) dissolved in DMSO (Absorbance); 35 -
Figure 7 illustrates a transmission electron microscopy (TEM) of the composite according to the invention;-5--
Figure 8 illustrates a transmission electron microscopy (TEM), enlargement of the image shown in
Figure 9 illustrates two optical microscope details of traces printed on commercial polyimide substrate; 5 -
Figure 10 illustrates an example of collection of curves I-V in the range -50, +50 V, with variation in the width of the printed trace for the rGO-PANI composite; -
Figure 11 illustrates an example of collection of curves I-V in the range -100, +100 V of P ANI, with indication of the 10 experimental error bars. BEST MODE FOR CARRYING OUT THE INVENTION According to a first aspect of the invention, a method is provided for obtaining composites of polyaniline and …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
Method for obtaining polyaniline/reduced graphene oxide composites comprising the steps of: dispersing the graphene oxide in an acid aqueous solution containing an anionic emulsifying agent to obtain a graphene oxide dispersion; dissolving one or more oligomers of the aniline in an organic solvent to obtain an oligomer solution; mixing said oligomer solution with said dispersion of graphene oxide to obtain a polyaniline/reduced graphene oxide composite. Previously presented
Method according to claim 1 wherein said oligomer is a dimer of aniline. Previously presented
Method according to claim 1 wherein said oligomer is substituted alternatively in one of the ortho and meta positions at the nitrogen atom or on the nitrogen atom itself by a radical selected from the group consisting of methoxyl, ethyoxyl, propyloxyl, methyl, ethyl, propyl, isopropyl, butyl, isobutyl, terbutyl, pentyl, phenyl, sulfonyl, and vinyl. Currently amended
Method according to claim 1, wherein said anionic emulsifying agent is selected from the group consisting of poly(styrene sulfonate), dodecylbenzenesulfonate, methylbenzenesulfonate (MBSA), 2-amino-ethyl-phosphonate, polyacrylate, adipate, poly(2- acrylamide-3-methyl- i-propane sulfonate), dodecyl diphenyloxide disulfonate, N, N'-dimethyl (methacryloyl ethyl) ammonium propane sulfonate, 2-acrylamide-2-methyl- 1 -propane sulfonate, and isophthalate-5-sulfonate. Currently amended
Method according to claim 1, wherein said organic solvent is selected from the group consisting of 1,2-butanediol, 1,3-butanediol, 1,3-propanediol, 1,4-butanediol, 1,4- dioxane, 1,5-pentanediol, 1-propanol, 2-butoxyethanol, 2-propanol, acetaldehyde, acetic acid, acetone, acetonitrile, butyric acid, diethanolamine, diethylene triamine, dimethoxyethane, dimethyl sulfoxide, N,N-dimethylformamide, ethanol, ethylamine, ethylene glycol, formic acid, furfuryl alcohol, glycerol, methanol, methyl diethanolamine, methyl isocyanide, propanoic acid, propylene glycol, pyridine, tetrahydrofuran, triethylene glycol, N-methylpyrrolidone, and N,N-dimethylacetamide. Currently amended
Method according to claim 1, further comprising a heating step after said step of mixing said oligomer solution with said dispersion of graphene oxide. Previously presented
Method according to claim 1, wherein said acid aqueous solution is an aqueous solution of an acid chosen from the group consisting of hydrochloric, nitric, sulphuric and phosphoric acid. Previously presented
The method of claim 1, further comprising: recovering a precipitate of the polyaniline/reduced graphene oxide composite; and dissolving the precipitate in an organic solvent to form a conductive ink. Currently amended
Materials described outside the worked examples.
graphene oxide
aniline oligomer
polyaniline/reduced graphene oxide composite
anionic emulsifying agent
dimer of aniline (N-phenyl-1,4-phenylenediamine, DANI)
anionic emulsifying agent (selected from poly(styrene sulfonate), dodecylbenzenesulfonate, methylbenzenesulfonate (MBSA), 2-amino-ethyl-phosphonate, polyacrylate, adipate, poly(2-acrylamide-3-methyl-i-propane sulfonate), dodecyl diphenyloxide disulfonate, N,N'-dimethyl (methacryloyl ethyl) ammonium propane sulfonate, 2-acrylamide-2-methyl-1-propane sulfonate, isophthalate-5-sulfonate)
organic solvent (selected from 1,2-butanediol, 1,3-butanediol, 1,3-propanediol, 1,4-butanediol, 1,4-dioxane, 1,5-pentanediol, 1-propanol, 2-butoxyethanol, 2-propanol, acetaldehyde, acetic acid, acetone, acetonitrile, butyric acid, diethanolamine, diethylene triamine, dimethoxyethane, dimethyl sulfoxide, N,N-dimethylformamide, ethanol, ethylamine, ethylene glycol, formic acid, furfuryl alcohol, glycerol, methanol, methyl diethanolamine, methyl isocyanide, propanoic acid, propylene glycol, pyridine, tetrahydrofuran, triethylene glycol, N-methylpyrrolidone, N,N-dimethylacetamide)
acid aqueous solution (hydrochloric, nitric, sulphuric or phosphoric acid)
conductive ink (polyaniline/reduced graphene oxide in organic solvent)
reduced graphene oxide (rGO)
polyaniline (PANI)
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
Figure 5 illustrates the UV-VIS spectrum of the composite 30 according to the invention (r G O-PANI) dissolved in DMSO (transmittance); -
Figure 6 illustrates the UV-VIS spectrum of the composite according to the invention (r G O-PANI) dissolved in DMSO (Absorbance); 35 -
Figure 7 illustrates a transmission electron microscopy (TEM) of the composite according to the invention;-5--
Figure 8 illustrates a transmission electron microscopy (TEM), enlargement of the image shown in
Figure 10 illustrates an example of collection of curves I-V in the range -50, +50 V, with variation in the width of the printed trace for the rGO-PANI composite; -
Figure 11 illustrates an example of collection of curves I-V in the range -100, +100 V of P ANI, with indication of the 10 experimental error bars. BEST MODE FOR CARRYING OUT THE INVENTION According to a first aspect of the invention, a method is provided for obtaining composites of polyaniline and …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Duration | 1200–21600 s | — |
Temperature | 40–90 °C | — |
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