Patent
US 8,303,922METHOD FOR EXFOLIATION OF HEXAGONAL BORON NITRIDE
Yi Lin
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 8,303,922Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1D shows the folded edge of yet another h- B N nanosheet which has three layers. {fL00778 LAR 17748-1 9 PATENT APPLICATION Example 3. Exfoliated h- B N …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
The method of claim 1, wherein the form of raw hexagonal boron nitride is powder, bulk crystal, or combinations thereof.
The method of claim 1, wherein the Lewis base is selected from the group consisting of; amine compounds, sulfur compounds, phosphorous compounds, oxide compounds, water, amino acids, protein molecules and mixtures thereof.
The method of claim 1, wherein the Lewis base is selected from the group consisting of water, octadecylamine, 1 -dodecanethiol, amine-terminated poly e thylene glycol), glycine, leucine, ferritin protein, bovine serum albumin, potassium hydroxide and sodium hydroxide and mixtures thereof.
The method of claim 1, wherein the reacting step includes heating, sonication, ball-milling, mechanical shearing, microwave, or radiation of the mixture.
The method of claim 1, wherein the mixture is reacted for a period of time from about 0.5 hour to about 7 days.
A polymer composite comprised of compositions prepared according to claim 1 and at least one polymer. withdrawn
A polymer composite according to claim 7, wherein the polymer is a; polycarbonate, polyacrylate, polyacrylonitrile, polyester, polyamide, polystyrene (including high impact strength polystyrene), polyurethane, polyurea, poly(urethaneurea), polyepoxy, poly(acrylonitrile butadiene styrene), polyimide, polyarylate, poly(arylene ether), poly(vinyl acetate), polyethylene, polypropylene, polyphenylene sulfide, poly(vinyl ester), poly(vinyl chloride), poly(vinyl alcohol), bismaleimide polymer, polyanhydride, liquid crystalline polymer, cellulose polymer, and combinations thereof. withdrawn
An article of manufacture produced from the polymer composite of claim. 8. withdrawn
An article of manufacture according to claim 9, wherein the article is a fiber, a fabric, a film, a coating, a molding, a foam, a tube, an adhesive, a fiber reinforced article, a laminated article or combinations thereof. withdrawn
1 1. The method of claim 1, further comprising the steps of after the reacting and separating steps, providing the functionalized hexagonal boron nitride; providing a second Lewis base; mixing together the functionalized hexagonal boron nitride and second Lewis base; reacting the mixture of functionalized hexagonal boron nitrid e and second Lewis base to form a second reaction mixture of a second functionalized hexagonal boron nitride and byproducts; and after reacting, adding a second solvent to the second reaction mixture and separating the second functionalized hexagonal boron nitride from the byproducts.
The method of claim 11, wherein the second Lewis base is the same as the first Lewis base.
4 Application No. 12/546,185 Amendment dated Reply to Office Action dated 13. The method of claim 11, wherein the second Lewis base is different from the first Lewis base.
The method of claim 1, wherein the reacting step consists of heating, ball- milling, mechanical shearing, microwave, or radiation of the mixture.
Materials described outside the worked examples.
hexagonal boron nitride
h-BN
Lewis base (amine, sulfur, phosphorous, oxide compounds, water, amino acids, protein molecules)
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
Transmission electron micrographs of exfoliated h-BN nanosheets (Figures 1A-1D)
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
average thickness of exfoliated h-BN nanosheets | ≤ 10 nm | h-BN |
Thickness | 2–7 nm |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 8,303,922Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1D shows the folded edge of yet another h- B N nanosheet which has three layers. {fL00778 LAR 17748-1 9 PATENT APPLICATION Example 3. Exfoliated h- B N …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
The method of claim 1, wherein the form of raw hexagonal boron nitride is powder, bulk crystal, or combinations thereof.
The method of claim 1, wherein the Lewis base is selected from the group consisting of; amine compounds, sulfur compounds, phosphorous compounds, oxide compounds, water, amino acids, protein molecules and mixtures thereof.
The method of claim 1, wherein the Lewis base is selected from the group consisting of water, octadecylamine, 1 -dodecanethiol, amine-terminated poly e thylene glycol), glycine, leucine, ferritin protein, bovine serum albumin, potassium hydroxide and sodium hydroxide and mixtures thereof.
The method of claim 1, wherein the reacting step includes heating, sonication, ball-milling, mechanical shearing, microwave, or radiation of the mixture.
The method of claim 1, wherein the mixture is reacted for a period of time from about 0.5 hour to about 7 days.
A polymer composite comprised of compositions prepared according to claim 1 and at least one polymer. withdrawn
A polymer composite according to claim 7, wherein the polymer is a; polycarbonate, polyacrylate, polyacrylonitrile, polyester, polyamide, polystyrene (including high impact strength polystyrene), polyurethane, polyurea, poly(urethaneurea), polyepoxy, poly(acrylonitrile butadiene styrene), polyimide, polyarylate, poly(arylene ether), poly(vinyl acetate), polyethylene, polypropylene, polyphenylene sulfide, poly(vinyl ester), poly(vinyl chloride), poly(vinyl alcohol), bismaleimide polymer, polyanhydride, liquid crystalline polymer, cellulose polymer, and combinations thereof. withdrawn
An article of manufacture produced from the polymer composite of claim. 8. withdrawn
An article of manufacture according to claim 9, wherein the article is a fiber, a fabric, a film, a coating, a molding, a foam, a tube, an adhesive, a fiber reinforced article, a laminated article or combinations thereof. withdrawn
1 1. The method of claim 1, further comprising the steps of after the reacting and separating steps, providing the functionalized hexagonal boron nitride; providing a second Lewis base; mixing together the functionalized hexagonal boron nitride and second Lewis base; reacting the mixture of functionalized hexagonal boron nitrid e and second Lewis base to form a second reaction mixture of a second functionalized hexagonal boron nitride and byproducts; and after reacting, adding a second solvent to the second reaction mixture and separating the second functionalized hexagonal boron nitride from the byproducts.
The method of claim 11, wherein the second Lewis base is the same as the first Lewis base.
4 Application No. 12/546,185 Amendment dated Reply to Office Action dated 13. The method of claim 11, wherein the second Lewis base is different from the first Lewis base.
The method of claim 1, wherein the reacting step consists of heating, ball- milling, mechanical shearing, microwave, or radiation of the mixture.
Materials described outside the worked examples.
hexagonal boron nitride
h-BN
Lewis base (amine, sulfur, phosphorous, oxide compounds, water, amino acids, protein molecules)
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
Transmission electron micrographs of exfoliated h-BN nanosheets (Figures 1A-1D)
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
average thickness of exfoliated h-BN nanosheets | ≤ 10 nm | h-BN |
Thickness | 2–7 nm |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 8,303,922Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1D shows the folded edge of yet another h- B N nanosheet which has three layers. {fL00778 LAR 17748-1 9 PATENT APPLICATION Example 3. Exfoliated h- B N …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
The method of claim 1, wherein the form of raw hexagonal boron nitride is powder, bulk crystal, or combinations thereof.
The method of claim 1, wherein the Lewis base is selected from the group consisting of; amine compounds, sulfur compounds, phosphorous compounds, oxide compounds, water, amino acids, protein molecules and mixtures thereof.
The method of claim 1, wherein the Lewis base is selected from the group consisting of water, octadecylamine, 1 -dodecanethiol, amine-terminated poly e thylene glycol), glycine, leucine, ferritin protein, bovine serum albumin, potassium hydroxide and sodium hydroxide and mixtures thereof.
The method of claim 1, wherein the reacting step includes heating, sonication, ball-milling, mechanical shearing, microwave, or radiation of the mixture.
The method of claim 1, wherein the mixture is reacted for a period of time from about 0.5 hour to about 7 days.
A polymer composite comprised of compositions prepared according to claim 1 and at least one polymer. withdrawn
A polymer composite according to claim 7, wherein the polymer is a; polycarbonate, polyacrylate, polyacrylonitrile, polyester, polyamide, polystyrene (including high impact strength polystyrene), polyurethane, polyurea, poly(urethaneurea), polyepoxy, poly(acrylonitrile butadiene styrene), polyimide, polyarylate, poly(arylene ether), poly(vinyl acetate), polyethylene, polypropylene, polyphenylene sulfide, poly(vinyl ester), poly(vinyl chloride), poly(vinyl alcohol), bismaleimide polymer, polyanhydride, liquid crystalline polymer, cellulose polymer, and combinations thereof. withdrawn
An article of manufacture produced from the polymer composite of claim. 8. withdrawn
An article of manufacture according to claim 9, wherein the article is a fiber, a fabric, a film, a coating, a molding, a foam, a tube, an adhesive, a fiber reinforced article, a laminated article or combinations thereof. withdrawn
1 1. The method of claim 1, further comprising the steps of after the reacting and separating steps, providing the functionalized hexagonal boron nitride; providing a second Lewis base; mixing together the functionalized hexagonal boron nitride and second Lewis base; reacting the mixture of functionalized hexagonal boron nitrid e and second Lewis base to form a second reaction mixture of a second functionalized hexagonal boron nitride and byproducts; and after reacting, adding a second solvent to the second reaction mixture and separating the second functionalized hexagonal boron nitride from the byproducts.
The method of claim 11, wherein the second Lewis base is the same as the first Lewis base.
4 Application No. 12/546,185 Amendment dated Reply to Office Action dated 13. The method of claim 11, wherein the second Lewis base is different from the first Lewis base.
The method of claim 1, wherein the reacting step consists of heating, ball- milling, mechanical shearing, microwave, or radiation of the mixture.
Materials described outside the worked examples.
hexagonal boron nitride
h-BN
Lewis base (amine, sulfur, phosphorous, oxide compounds, water, amino acids, protein molecules)
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
Transmission electron micrographs of exfoliated h-BN nanosheets (Figures 1A-1D)
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
average thickness of exfoliated h-BN nanosheets | ≤ 10 nm | h-BN |
Thickness | 2–7 nm |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 8,303,922Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1D shows the folded edge of yet another h- B N nanosheet which has three layers. {fL00778 LAR 17748-1 9 PATENT APPLICATION Example 3. Exfoliated h- B N …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
The method of claim 1, wherein the form of raw hexagonal boron nitride is powder, bulk crystal, or combinations thereof.
The method of claim 1, wherein the Lewis base is selected from the group consisting of; amine compounds, sulfur compounds, phosphorous compounds, oxide compounds, water, amino acids, protein molecules and mixtures thereof.
The method of claim 1, wherein the Lewis base is selected from the group consisting of water, octadecylamine, 1 -dodecanethiol, amine-terminated poly e thylene glycol), glycine, leucine, ferritin protein, bovine serum albumin, potassium hydroxide and sodium hydroxide and mixtures thereof.
The method of claim 1, wherein the reacting step includes heating, sonication, ball-milling, mechanical shearing, microwave, or radiation of the mixture.
The method of claim 1, wherein the mixture is reacted for a period of time from about 0.5 hour to about 7 days.
A polymer composite comprised of compositions prepared according to claim 1 and at least one polymer. withdrawn
A polymer composite according to claim 7, wherein the polymer is a; polycarbonate, polyacrylate, polyacrylonitrile, polyester, polyamide, polystyrene (including high impact strength polystyrene), polyurethane, polyurea, poly(urethaneurea), polyepoxy, poly(acrylonitrile butadiene styrene), polyimide, polyarylate, poly(arylene ether), poly(vinyl acetate), polyethylene, polypropylene, polyphenylene sulfide, poly(vinyl ester), poly(vinyl chloride), poly(vinyl alcohol), bismaleimide polymer, polyanhydride, liquid crystalline polymer, cellulose polymer, and combinations thereof. withdrawn
An article of manufacture produced from the polymer composite of claim. 8. withdrawn
An article of manufacture according to claim 9, wherein the article is a fiber, a fabric, a film, a coating, a molding, a foam, a tube, an adhesive, a fiber reinforced article, a laminated article or combinations thereof. withdrawn
1 1. The method of claim 1, further comprising the steps of after the reacting and separating steps, providing the functionalized hexagonal boron nitride; providing a second Lewis base; mixing together the functionalized hexagonal boron nitride and second Lewis base; reacting the mixture of functionalized hexagonal boron nitrid e and second Lewis base to form a second reaction mixture of a second functionalized hexagonal boron nitride and byproducts; and after reacting, adding a second solvent to the second reaction mixture and separating the second functionalized hexagonal boron nitride from the byproducts.
The method of claim 11, wherein the second Lewis base is the same as the first Lewis base.
4 Application No. 12/546,185 Amendment dated Reply to Office Action dated 13. The method of claim 11, wherein the second Lewis base is different from the first Lewis base.
The method of claim 1, wherein the reacting step consists of heating, ball- milling, mechanical shearing, microwave, or radiation of the mixture.
Materials described outside the worked examples.
hexagonal boron nitride
h-BN
Lewis base (amine, sulfur, phosphorous, oxide compounds, water, amino acids, protein molecules)
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
Transmission electron micrographs of exfoliated h-BN nanosheets (Figures 1A-1D)
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
average thickness of exfoliated h-BN nanosheets | ≤ 10 nm | h-BN |
Thickness | 2–7 nm |
Related documents with shared materials, methods, properties, or citations.
water
H₂O
octadecylamine
1-dodecanethiol
amine-terminated poly(ethylene glycol)
glycine
leucine
ferritin protein
bovine serum albumin
potassium hydroxide
KOH
sodium hydroxide
NaOH
polymer
functionalized hexagonal boron nitride nanosheets
Atomic force micrographs of exfoliated h-BN nanosheets and corresponding height profiles showing thicknesses (Figures 2A-2B)
Transmission electron micrograph of ferritin protein-loaded exfoliated h-BN nanosheets (Figure 3)
Transmission electron micrograph of silver (Ag) nanoparticle-loaded exfoliated h-BN nanosheet (Figure 4)
Scanning electron micrographs of exfoliated h-BN nanosheets using water as the exfoliation agent (Figure 5)
| — |
Thickness | ≤ 500 nm | — |
Thickness | ≥ 50 nm | — |
Probing Boron Vacancy Defects in hBN via Single Spin Relaxometry
water
H₂O
octadecylamine
1-dodecanethiol
amine-terminated poly(ethylene glycol)
glycine
leucine
ferritin protein
bovine serum albumin
potassium hydroxide
KOH
sodium hydroxide
NaOH
polymer
functionalized hexagonal boron nitride nanosheets
Atomic force micrographs of exfoliated h-BN nanosheets and corresponding height profiles showing thicknesses (Figures 2A-2B)
Transmission electron micrograph of ferritin protein-loaded exfoliated h-BN nanosheets (Figure 3)
Transmission electron micrograph of silver (Ag) nanoparticle-loaded exfoliated h-BN nanosheet (Figure 4)
Scanning electron micrographs of exfoliated h-BN nanosheets using water as the exfoliation agent (Figure 5)
| — |
Thickness | ≤ 500 nm | — |
Thickness | ≥ 50 nm | — |
Probing Boron Vacancy Defects in hBN via Single Spin Relaxometry
water
H₂O
octadecylamine
1-dodecanethiol
amine-terminated poly(ethylene glycol)
glycine
leucine
ferritin protein
bovine serum albumin
potassium hydroxide
KOH
sodium hydroxide
NaOH
polymer
functionalized hexagonal boron nitride nanosheets
Atomic force micrographs of exfoliated h-BN nanosheets and corresponding height profiles showing thicknesses (Figures 2A-2B)
Transmission electron micrograph of ferritin protein-loaded exfoliated h-BN nanosheets (Figure 3)
Transmission electron micrograph of silver (Ag) nanoparticle-loaded exfoliated h-BN nanosheet (Figure 4)
Scanning electron micrographs of exfoliated h-BN nanosheets using water as the exfoliation agent (Figure 5)
| — |
Thickness | ≤ 500 nm | — |
Thickness | ≥ 50 nm | — |
Probing Boron Vacancy Defects in hBN via Single Spin Relaxometry
water
H₂O
octadecylamine
1-dodecanethiol
amine-terminated poly(ethylene glycol)
glycine
leucine
ferritin protein
bovine serum albumin
potassium hydroxide
KOH
sodium hydroxide
NaOH
polymer
functionalized hexagonal boron nitride nanosheets
Atomic force micrographs of exfoliated h-BN nanosheets and corresponding height profiles showing thicknesses (Figures 2A-2B)
Transmission electron micrograph of ferritin protein-loaded exfoliated h-BN nanosheets (Figure 3)
Transmission electron micrograph of silver (Ag) nanoparticle-loaded exfoliated h-BN nanosheet (Figure 4)
Scanning electron micrographs of exfoliated h-BN nanosheets using water as the exfoliation agent (Figure 5)
| — |
Thickness | ≤ 500 nm | — |
Thickness | ≥ 50 nm | — |
Probing Boron Vacancy Defects in hBN via Single Spin Relaxometry