Patent
US 10,730,802Hexagonal Boron Nitride/Cement/Polymer Composites and Methods of Synthesis
Rouzbeh Shahsavari, Mahesh Bhatt
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 10,730,802Patent drawings and their descriptions. Click a drawing to enlarge it.
Figure 1 A illustrates an embodiment of hBN before and
Figure 1 B shows after the sample is exfoliated.
Figure 2 depicts a plot of compressive strength vs. curing time obtained from a composite cement sample comprising 1.2 w % hBN.
Figure 3 depicts a plot showing weight percent of hBN vs. compressive strength.
Figure 4A shows SEM images of a typical hBN (left) and
Figure 4B shows an exfoliated hBN using strong alkali in a shear mixer (right).
Figure 5 A shows SEM images of a typical hBN (left) and
Figure 5 B shows an exfoliated hBN using strong alkali in a rotary mixer (right).
Figure 6A shows SEM images of a typical hBN (left) and
Figure 6B shows an exfoliated hBN using strong alkali in a mixer (right).
Figure 7A shows SEM images of a typical hBN (left) and
Figure 7B shows an exfoliated hBN using strong alkali in a rotary mixer (right).
Figure 8A shows SEM images of a typical hBN (left) and
Figure 8B shows an SUBSTITUTE SPECIFICATION exfoliated hBN using NMP in a mixer (right). [001 8]
Figure 9A shows SEM images of a typical hBN (left) and
Figure 9B shows an exfoliated hBN using a molten hydroxide method followed by centrifuge.
Figure 10 a depicts a representative TEM image of exfoliated hBN. [0020] Figure lO b depicts a representative TEM image of ultra-thin exfoliated hBN sheets (1-5 atomic layers).
Figure 1O c depicts a representative TEM image of exfoliated hBN. [0022] Figure lO d depicts a representative TEM image of the hBN/C-S-H(I). [0023] Figures l0 e-f depict representative TEM images of the hBN/C-S-H(II) at two different scales. [0024] Figure lO g depicts a representative XRD spectra of …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A composition comprising cement and hexagonal boron nitride, wherein the hexagonal boron nitride is functionalized and wherein (a) the hexagonal boron nitride is intercalated or mixed between calcium-silicate-hydrate layers or products of cement hydration; or (b) the hexagonal boron nitride is less than or about 1 p m in lateral size; or (c) the composition is in the form of a well casing; or (d) any combination of (a), (b), or (c). Currently amended
The composition of claim 1, wherein the functionalized hexagonal boron nitride is exfoliated. Previously presented
The composition of claim 1, wherein the composition is substantially free of added graphite or graphite oxide. Previously presented
The composition of claim 1, wherein the hexagonal boron nitride is intercalated between calcium-silicate-hydrate layers or products of cement hydration. Previously presented
The composition of claim 1, wherein the composition includes at least about 1 wt % hexagonal boron nitride and wherein viscosity of the composition is reduced by at least 20 % compared to the same composition without hexagonal boron nitride. Previously presented
The composition of claim 1, wherein the hexagonal boron nitride is functionalized such that it increases the compressive strength of the composition at least about 10% over the same material without functionalized hexagonal boron nitride. Previously presented
The composition of claim 1, wherein the composition has a thermal conductivity of at least about 10 % greater than the same material without functionalized hexagonal boron nitride. Previously presented
The composition of claim 1, wherein the functionalized hexagonal boron nitride and cement are mixed in water or sodium hydroxide and then dried to form a composite. Previously presented
The composition of claim 1, wherein the functionalized hexagonal boron nitride and cement are mixed by shear-mixing, screw mixing, or rotary mixing. Previously presented
The composition of claim 1, wherein the hexagonal boron nitride is functionalized by heating with sodium hydroxide. Previously presented
The composition of claim 1, wherein the composition has at least about a 30 % increase in surface resistivity compared to the same composition without functionalized hexagonal boron nitride as measured with a durability tester. Previously presented
The composition of claim 1, wherein the hexagonal boron nitride is less than or about 1 p m in lateral size. Previously presented
The composition of claim 1, further comprising a polymer selected from the group consisting of poly(methyl methacrylate), acrylics, polyamides, polyethylenes, polystyrenes, polycarbonates, methacrylics, phenols, polypropylene, polyolefins, polyolefin plastomers, polyolefin elastomers, copolymers of ethylene, epoxy, polyurethane, unsaturated polyester resins and combinations thereof. Previously presented
The composition of claim 1, wherein the composite substantially maintains hardness after radiation exposure. Previously presented
The composition of claim 1, wherein the composition is in the form of a coating. Previously presented
The composition of claim 1, wherein the composition is in the form of a well casing. Previously presented
A method of manufacturing a composite material comprising the steps of: mixing hexagonal boron nitride with a solvent to create functionalized hexagonal boron nitride; removing solvent from the hexagonal boron nitride solution; and mixing the functionalized hexagonal boron nitride with cement wherein (a) the hexagonal boron nitride is intercalated or mixed between calcium-silicate-hydrate la y ers or products of cement hydration; or (b) the hexagonal boron nitride is less than or about 1 p m in lateral size; or (c) the composition is in the form of a well casing; or (d) any combination of (a), (b), or (c). Currently amended
The method of claim 17, wherein the solvent is selected from the group consisting of water, isopropyl alcohol, sodium hydroxide, tert-butanol, 1- and 2-butanol, 1- and 2-propanol, ethanol, methanol, acetone, dimethylformamide, sodium cholate, poly(ethylene glycol), N-methyl-2-pyrrolidone, pyridine, cetrimonium bromide, sodium cholate, soap, ethers, ketones, amines, nitrated hydrocarbons, halogenated hydrocarbons and combinations thereof. Previously presented
The method of claim 17, further comprising the steps of, prior to mixing the functionalized hexagonal boron nitride with cement, centrifuging the hexagonal boron nitride solvent solution resulting in a supernatant; separating the supernatant; and drying the supernatant resulting in a sample of chemically exfoliated and functionalized hexagonal boron nitride. Previously presented
A composition comprising cement and a treated hexagonal boron nitride, wherein the composition comprises up to about 1 5 wt %. hexagonal boron nitride and wherein the compressive strength of the composition is increased by at least -210% over the cement composition without hexagonal boron nitride and wherein (a) the treated hexagonal boron nitride is intercalated or mixed between calcium-silicate- hydrate la y ers or products of cement hydration; or (b) the treated hexagonal boron nitride is less than or about 1 p m in lateral size; or (c) the composition is in the form of a well casing; or (d) any combination of (a), (b), or (c). Currently amended
Materials described outside the worked examples.
cement
functionalized hexagonal boron nitride
BN
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
viscosity reduction vs. control | ≥ 20 % | cementBN |
compressive strength increase (claim 6) |
Related documents with shared materials, methods, properties, or citations.
HEXAGONAL BORON NITRIDE POWDER, RESIN COMPOSITION, RESIN SHEET, AND METHOD FOR PRODUCING HEXAGONAL BORON NITRIDE POWDER
HEXAGONAL BORON NITRIDE COMPOSITIONS CHARACTERIZED BY INTERSTITIAL FERROMAGNETIC LAYERS, PROCESS FOR PREPARING, AND COMPOSITES THEREOF WITH ORGANIC POLYMERS
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US 10,730,802Patent drawings and their descriptions. Click a drawing to enlarge it.
Figure 1 A illustrates an embodiment of hBN before and
Figure 1 B shows after the sample is exfoliated.
Figure 2 depicts a plot of compressive strength vs. curing time obtained from a composite cement sample comprising 1.2 w % hBN.
Figure 3 depicts a plot showing weight percent of hBN vs. compressive strength.
Figure 4A shows SEM images of a typical hBN (left) and
Figure 4B shows an exfoliated hBN using strong alkali in a shear mixer (right).
Figure 5 A shows SEM images of a typical hBN (left) and
Figure 5 B shows an exfoliated hBN using strong alkali in a rotary mixer (right).
Figure 6A shows SEM images of a typical hBN (left) and
Figure 6B shows an exfoliated hBN using strong alkali in a mixer (right).
Figure 7A shows SEM images of a typical hBN (left) and
Figure 7B shows an exfoliated hBN using strong alkali in a rotary mixer (right).
Figure 8A shows SEM images of a typical hBN (left) and
Figure 8B shows an SUBSTITUTE SPECIFICATION exfoliated hBN using NMP in a mixer (right). [001 8]
Figure 9A shows SEM images of a typical hBN (left) and
Figure 9B shows an exfoliated hBN using a molten hydroxide method followed by centrifuge.
Figure 10 a depicts a representative TEM image of exfoliated hBN. [0020] Figure lO b depicts a representative TEM image of ultra-thin exfoliated hBN sheets (1-5 atomic layers).
Figure 1O c depicts a representative TEM image of exfoliated hBN. [0022] Figure lO d depicts a representative TEM image of the hBN/C-S-H(I). [0023] Figures l0 e-f depict representative TEM images of the hBN/C-S-H(II) at two different scales. [0024] Figure lO g depicts a representative XRD spectra of …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A composition comprising cement and hexagonal boron nitride, wherein the hexagonal boron nitride is functionalized and wherein (a) the hexagonal boron nitride is intercalated or mixed between calcium-silicate-hydrate layers or products of cement hydration; or (b) the hexagonal boron nitride is less than or about 1 p m in lateral size; or (c) the composition is in the form of a well casing; or (d) any combination of (a), (b), or (c). Currently amended
The composition of claim 1, wherein the functionalized hexagonal boron nitride is exfoliated. Previously presented
The composition of claim 1, wherein the composition is substantially free of added graphite or graphite oxide. Previously presented
The composition of claim 1, wherein the hexagonal boron nitride is intercalated between calcium-silicate-hydrate layers or products of cement hydration. Previously presented
The composition of claim 1, wherein the composition includes at least about 1 wt % hexagonal boron nitride and wherein viscosity of the composition is reduced by at least 20 % compared to the same composition without hexagonal boron nitride. Previously presented
The composition of claim 1, wherein the hexagonal boron nitride is functionalized such that it increases the compressive strength of the composition at least about 10% over the same material without functionalized hexagonal boron nitride. Previously presented
The composition of claim 1, wherein the composition has a thermal conductivity of at least about 10 % greater than the same material without functionalized hexagonal boron nitride. Previously presented
The composition of claim 1, wherein the functionalized hexagonal boron nitride and cement are mixed in water or sodium hydroxide and then dried to form a composite. Previously presented
The composition of claim 1, wherein the functionalized hexagonal boron nitride and cement are mixed by shear-mixing, screw mixing, or rotary mixing. Previously presented
The composition of claim 1, wherein the hexagonal boron nitride is functionalized by heating with sodium hydroxide. Previously presented
The composition of claim 1, wherein the composition has at least about a 30 % increase in surface resistivity compared to the same composition without functionalized hexagonal boron nitride as measured with a durability tester. Previously presented
The composition of claim 1, wherein the hexagonal boron nitride is less than or about 1 p m in lateral size. Previously presented
The composition of claim 1, further comprising a polymer selected from the group consisting of poly(methyl methacrylate), acrylics, polyamides, polyethylenes, polystyrenes, polycarbonates, methacrylics, phenols, polypropylene, polyolefins, polyolefin plastomers, polyolefin elastomers, copolymers of ethylene, epoxy, polyurethane, unsaturated polyester resins and combinations thereof. Previously presented
The composition of claim 1, wherein the composite substantially maintains hardness after radiation exposure. Previously presented
The composition of claim 1, wherein the composition is in the form of a coating. Previously presented
The composition of claim 1, wherein the composition is in the form of a well casing. Previously presented
A method of manufacturing a composite material comprising the steps of: mixing hexagonal boron nitride with a solvent to create functionalized hexagonal boron nitride; removing solvent from the hexagonal boron nitride solution; and mixing the functionalized hexagonal boron nitride with cement wherein (a) the hexagonal boron nitride is intercalated or mixed between calcium-silicate-hydrate la y ers or products of cement hydration; or (b) the hexagonal boron nitride is less than or about 1 p m in lateral size; or (c) the composition is in the form of a well casing; or (d) any combination of (a), (b), or (c). Currently amended
The method of claim 17, wherein the solvent is selected from the group consisting of water, isopropyl alcohol, sodium hydroxide, tert-butanol, 1- and 2-butanol, 1- and 2-propanol, ethanol, methanol, acetone, dimethylformamide, sodium cholate, poly(ethylene glycol), N-methyl-2-pyrrolidone, pyridine, cetrimonium bromide, sodium cholate, soap, ethers, ketones, amines, nitrated hydrocarbons, halogenated hydrocarbons and combinations thereof. Previously presented
The method of claim 17, further comprising the steps of, prior to mixing the functionalized hexagonal boron nitride with cement, centrifuging the hexagonal boron nitride solvent solution resulting in a supernatant; separating the supernatant; and drying the supernatant resulting in a sample of chemically exfoliated and functionalized hexagonal boron nitride. Previously presented
A composition comprising cement and a treated hexagonal boron nitride, wherein the composition comprises up to about 1 5 wt %. hexagonal boron nitride and wherein the compressive strength of the composition is increased by at least -210% over the cement composition without hexagonal boron nitride and wherein (a) the treated hexagonal boron nitride is intercalated or mixed between calcium-silicate- hydrate la y ers or products of cement hydration; or (b) the treated hexagonal boron nitride is less than or about 1 p m in lateral size; or (c) the composition is in the form of a well casing; or (d) any combination of (a), (b), or (c). Currently amended
Materials described outside the worked examples.
cement
functionalized hexagonal boron nitride
BN
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
viscosity reduction vs. control | ≥ 20 % | cementBN |
compressive strength increase (claim 6) |
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HEXAGONAL BORON NITRIDE POWDER, RESIN COMPOSITION, RESIN SHEET, AND METHOD FOR PRODUCING HEXAGONAL BORON NITRIDE POWDER
HEXAGONAL BORON NITRIDE COMPOSITIONS CHARACTERIZED BY INTERSTITIAL FERROMAGNETIC LAYERS, PROCESS FOR PREPARING, AND COMPOSITES THEREOF WITH ORGANIC POLYMERS
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US 10,730,802Patent drawings and their descriptions. Click a drawing to enlarge it.
Figure 1 A illustrates an embodiment of hBN before and
Figure 1 B shows after the sample is exfoliated.
Figure 2 depicts a plot of compressive strength vs. curing time obtained from a composite cement sample comprising 1.2 w % hBN.
Figure 3 depicts a plot showing weight percent of hBN vs. compressive strength.
Figure 4A shows SEM images of a typical hBN (left) and
Figure 4B shows an exfoliated hBN using strong alkali in a shear mixer (right).
Figure 5 A shows SEM images of a typical hBN (left) and
Figure 5 B shows an exfoliated hBN using strong alkali in a rotary mixer (right).
Figure 6A shows SEM images of a typical hBN (left) and
Figure 6B shows an exfoliated hBN using strong alkali in a mixer (right).
Figure 7A shows SEM images of a typical hBN (left) and
Figure 7B shows an exfoliated hBN using strong alkali in a rotary mixer (right).
Figure 8A shows SEM images of a typical hBN (left) and
Figure 8B shows an SUBSTITUTE SPECIFICATION exfoliated hBN using NMP in a mixer (right). [001 8]
Figure 9A shows SEM images of a typical hBN (left) and
Figure 9B shows an exfoliated hBN using a molten hydroxide method followed by centrifuge.
Figure 10 a depicts a representative TEM image of exfoliated hBN. [0020] Figure lO b depicts a representative TEM image of ultra-thin exfoliated hBN sheets (1-5 atomic layers).
Figure 1O c depicts a representative TEM image of exfoliated hBN. [0022] Figure lO d depicts a representative TEM image of the hBN/C-S-H(I). [0023] Figures l0 e-f depict representative TEM images of the hBN/C-S-H(II) at two different scales. [0024] Figure lO g depicts a representative XRD spectra of …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A composition comprising cement and hexagonal boron nitride, wherein the hexagonal boron nitride is functionalized and wherein (a) the hexagonal boron nitride is intercalated or mixed between calcium-silicate-hydrate layers or products of cement hydration; or (b) the hexagonal boron nitride is less than or about 1 p m in lateral size; or (c) the composition is in the form of a well casing; or (d) any combination of (a), (b), or (c). Currently amended
The composition of claim 1, wherein the functionalized hexagonal boron nitride is exfoliated. Previously presented
The composition of claim 1, wherein the composition is substantially free of added graphite or graphite oxide. Previously presented
The composition of claim 1, wherein the hexagonal boron nitride is intercalated between calcium-silicate-hydrate layers or products of cement hydration. Previously presented
The composition of claim 1, wherein the composition includes at least about 1 wt % hexagonal boron nitride and wherein viscosity of the composition is reduced by at least 20 % compared to the same composition without hexagonal boron nitride. Previously presented
The composition of claim 1, wherein the hexagonal boron nitride is functionalized such that it increases the compressive strength of the composition at least about 10% over the same material without functionalized hexagonal boron nitride. Previously presented
The composition of claim 1, wherein the composition has a thermal conductivity of at least about 10 % greater than the same material without functionalized hexagonal boron nitride. Previously presented
The composition of claim 1, wherein the functionalized hexagonal boron nitride and cement are mixed in water or sodium hydroxide and then dried to form a composite. Previously presented
The composition of claim 1, wherein the functionalized hexagonal boron nitride and cement are mixed by shear-mixing, screw mixing, or rotary mixing. Previously presented
The composition of claim 1, wherein the hexagonal boron nitride is functionalized by heating with sodium hydroxide. Previously presented
The composition of claim 1, wherein the composition has at least about a 30 % increase in surface resistivity compared to the same composition without functionalized hexagonal boron nitride as measured with a durability tester. Previously presented
The composition of claim 1, wherein the hexagonal boron nitride is less than or about 1 p m in lateral size. Previously presented
The composition of claim 1, further comprising a polymer selected from the group consisting of poly(methyl methacrylate), acrylics, polyamides, polyethylenes, polystyrenes, polycarbonates, methacrylics, phenols, polypropylene, polyolefins, polyolefin plastomers, polyolefin elastomers, copolymers of ethylene, epoxy, polyurethane, unsaturated polyester resins and combinations thereof. Previously presented
The composition of claim 1, wherein the composite substantially maintains hardness after radiation exposure. Previously presented
The composition of claim 1, wherein the composition is in the form of a coating. Previously presented
The composition of claim 1, wherein the composition is in the form of a well casing. Previously presented
A method of manufacturing a composite material comprising the steps of: mixing hexagonal boron nitride with a solvent to create functionalized hexagonal boron nitride; removing solvent from the hexagonal boron nitride solution; and mixing the functionalized hexagonal boron nitride with cement wherein (a) the hexagonal boron nitride is intercalated or mixed between calcium-silicate-hydrate la y ers or products of cement hydration; or (b) the hexagonal boron nitride is less than or about 1 p m in lateral size; or (c) the composition is in the form of a well casing; or (d) any combination of (a), (b), or (c). Currently amended
The method of claim 17, wherein the solvent is selected from the group consisting of water, isopropyl alcohol, sodium hydroxide, tert-butanol, 1- and 2-butanol, 1- and 2-propanol, ethanol, methanol, acetone, dimethylformamide, sodium cholate, poly(ethylene glycol), N-methyl-2-pyrrolidone, pyridine, cetrimonium bromide, sodium cholate, soap, ethers, ketones, amines, nitrated hydrocarbons, halogenated hydrocarbons and combinations thereof. Previously presented
The method of claim 17, further comprising the steps of, prior to mixing the functionalized hexagonal boron nitride with cement, centrifuging the hexagonal boron nitride solvent solution resulting in a supernatant; separating the supernatant; and drying the supernatant resulting in a sample of chemically exfoliated and functionalized hexagonal boron nitride. Previously presented
A composition comprising cement and a treated hexagonal boron nitride, wherein the composition comprises up to about 1 5 wt %. hexagonal boron nitride and wherein the compressive strength of the composition is increased by at least -210% over the cement composition without hexagonal boron nitride and wherein (a) the treated hexagonal boron nitride is intercalated or mixed between calcium-silicate- hydrate la y ers or products of cement hydration; or (b) the treated hexagonal boron nitride is less than or about 1 p m in lateral size; or (c) the composition is in the form of a well casing; or (d) any combination of (a), (b), or (c). Currently amended
Materials described outside the worked examples.
cement
functionalized hexagonal boron nitride
BN
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
viscosity reduction vs. control | ≥ 20 % | cementBN |
compressive strength increase (claim 6) |
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HEXAGONAL BORON NITRIDE POWDER, RESIN COMPOSITION, RESIN SHEET, AND METHOD FOR PRODUCING HEXAGONAL BORON NITRIDE POWDER
HEXAGONAL BORON NITRIDE COMPOSITIONS CHARACTERIZED BY INTERSTITIAL FERROMAGNETIC LAYERS, PROCESS FOR PREPARING, AND COMPOSITES THEREOF WITH ORGANIC POLYMERS
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US 10,730,802Patent drawings and their descriptions. Click a drawing to enlarge it.
Figure 1 A illustrates an embodiment of hBN before and
Figure 1 B shows after the sample is exfoliated.
Figure 2 depicts a plot of compressive strength vs. curing time obtained from a composite cement sample comprising 1.2 w % hBN.
Figure 3 depicts a plot showing weight percent of hBN vs. compressive strength.
Figure 4A shows SEM images of a typical hBN (left) and
Figure 4B shows an exfoliated hBN using strong alkali in a shear mixer (right).
Figure 5 A shows SEM images of a typical hBN (left) and
Figure 5 B shows an exfoliated hBN using strong alkali in a rotary mixer (right).
Figure 6A shows SEM images of a typical hBN (left) and
Figure 6B shows an exfoliated hBN using strong alkali in a mixer (right).
Figure 7A shows SEM images of a typical hBN (left) and
Figure 7B shows an exfoliated hBN using strong alkali in a rotary mixer (right).
Figure 8A shows SEM images of a typical hBN (left) and
Figure 8B shows an SUBSTITUTE SPECIFICATION exfoliated hBN using NMP in a mixer (right). [001 8]
Figure 9A shows SEM images of a typical hBN (left) and
Figure 9B shows an exfoliated hBN using a molten hydroxide method followed by centrifuge.
Figure 10 a depicts a representative TEM image of exfoliated hBN. [0020] Figure lO b depicts a representative TEM image of ultra-thin exfoliated hBN sheets (1-5 atomic layers).
Figure 1O c depicts a representative TEM image of exfoliated hBN. [0022] Figure lO d depicts a representative TEM image of the hBN/C-S-H(I). [0023] Figures l0 e-f depict representative TEM images of the hBN/C-S-H(II) at two different scales. [0024] Figure lO g depicts a representative XRD spectra of …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A composition comprising cement and hexagonal boron nitride, wherein the hexagonal boron nitride is functionalized and wherein (a) the hexagonal boron nitride is intercalated or mixed between calcium-silicate-hydrate layers or products of cement hydration; or (b) the hexagonal boron nitride is less than or about 1 p m in lateral size; or (c) the composition is in the form of a well casing; or (d) any combination of (a), (b), or (c). Currently amended
The composition of claim 1, wherein the functionalized hexagonal boron nitride is exfoliated. Previously presented
The composition of claim 1, wherein the composition is substantially free of added graphite or graphite oxide. Previously presented
The composition of claim 1, wherein the hexagonal boron nitride is intercalated between calcium-silicate-hydrate layers or products of cement hydration. Previously presented
The composition of claim 1, wherein the composition includes at least about 1 wt % hexagonal boron nitride and wherein viscosity of the composition is reduced by at least 20 % compared to the same composition without hexagonal boron nitride. Previously presented
The composition of claim 1, wherein the hexagonal boron nitride is functionalized such that it increases the compressive strength of the composition at least about 10% over the same material without functionalized hexagonal boron nitride. Previously presented
The composition of claim 1, wherein the composition has a thermal conductivity of at least about 10 % greater than the same material without functionalized hexagonal boron nitride. Previously presented
The composition of claim 1, wherein the functionalized hexagonal boron nitride and cement are mixed in water or sodium hydroxide and then dried to form a composite. Previously presented
The composition of claim 1, wherein the functionalized hexagonal boron nitride and cement are mixed by shear-mixing, screw mixing, or rotary mixing. Previously presented
The composition of claim 1, wherein the hexagonal boron nitride is functionalized by heating with sodium hydroxide. Previously presented
The composition of claim 1, wherein the composition has at least about a 30 % increase in surface resistivity compared to the same composition without functionalized hexagonal boron nitride as measured with a durability tester. Previously presented
The composition of claim 1, wherein the hexagonal boron nitride is less than or about 1 p m in lateral size. Previously presented
The composition of claim 1, further comprising a polymer selected from the group consisting of poly(methyl methacrylate), acrylics, polyamides, polyethylenes, polystyrenes, polycarbonates, methacrylics, phenols, polypropylene, polyolefins, polyolefin plastomers, polyolefin elastomers, copolymers of ethylene, epoxy, polyurethane, unsaturated polyester resins and combinations thereof. Previously presented
The composition of claim 1, wherein the composite substantially maintains hardness after radiation exposure. Previously presented
The composition of claim 1, wherein the composition is in the form of a coating. Previously presented
The composition of claim 1, wherein the composition is in the form of a well casing. Previously presented
A method of manufacturing a composite material comprising the steps of: mixing hexagonal boron nitride with a solvent to create functionalized hexagonal boron nitride; removing solvent from the hexagonal boron nitride solution; and mixing the functionalized hexagonal boron nitride with cement wherein (a) the hexagonal boron nitride is intercalated or mixed between calcium-silicate-hydrate la y ers or products of cement hydration; or (b) the hexagonal boron nitride is less than or about 1 p m in lateral size; or (c) the composition is in the form of a well casing; or (d) any combination of (a), (b), or (c). Currently amended
The method of claim 17, wherein the solvent is selected from the group consisting of water, isopropyl alcohol, sodium hydroxide, tert-butanol, 1- and 2-butanol, 1- and 2-propanol, ethanol, methanol, acetone, dimethylformamide, sodium cholate, poly(ethylene glycol), N-methyl-2-pyrrolidone, pyridine, cetrimonium bromide, sodium cholate, soap, ethers, ketones, amines, nitrated hydrocarbons, halogenated hydrocarbons and combinations thereof. Previously presented
The method of claim 17, further comprising the steps of, prior to mixing the functionalized hexagonal boron nitride with cement, centrifuging the hexagonal boron nitride solvent solution resulting in a supernatant; separating the supernatant; and drying the supernatant resulting in a sample of chemically exfoliated and functionalized hexagonal boron nitride. Previously presented
A composition comprising cement and a treated hexagonal boron nitride, wherein the composition comprises up to about 1 5 wt %. hexagonal boron nitride and wherein the compressive strength of the composition is increased by at least -210% over the cement composition without hexagonal boron nitride and wherein (a) the treated hexagonal boron nitride is intercalated or mixed between calcium-silicate- hydrate la y ers or products of cement hydration; or (b) the treated hexagonal boron nitride is less than or about 1 p m in lateral size; or (c) the composition is in the form of a well casing; or (d) any combination of (a), (b), or (c). Currently amended
Materials described outside the worked examples.
cement
functionalized hexagonal boron nitride
BN
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
viscosity reduction vs. control | ≥ 20 % | cementBN |
compressive strength increase (claim 6) |
Related documents with shared materials, methods, properties, or citations.
HEXAGONAL BORON NITRIDE POWDER, RESIN COMPOSITION, RESIN SHEET, AND METHOD FOR PRODUCING HEXAGONAL BORON NITRIDE POWDER
HEXAGONAL BORON NITRIDE COMPOSITIONS CHARACTERIZED BY INTERSTITIAL FERROMAGNETIC LAYERS, PROCESS FOR PREPARING, AND COMPOSITES THEREOF WITH ORGANIC POLYMERS
calcium-silicate-hydrate
polymer
Figure 10 a depicts a representative TEM image of exfoliated hBN. [0020] Figure lO b depicts a representative TEM image of ultra-thin exfoliated hBN sheets (1-5 atomic layers).
Figure 1O c depicts a representative TEM image of exfoliated hBN. [0022] Figure lO d depicts a representative TEM image of the hBN/C-S-H(I). [0023] Figures l0 e-f depict representative TEM images of the hBN/C-S-H(II) at two different scales. [0024] Figure lO g depicts a representative XRD spectra of …
Figure 1O c depicts a representative TEM image of exfoliated hBN. [0022] Figure lO d depicts a representative TEM image of the hBN/C-S-H(I). [0023] Figures l0 e-f depict representative TEM images of the hBN/C-S-H(II) at two different scales. [0024] Figure lO g depicts a representative XRD spectra of …
durability tester. The same cylinders were also tested for the mechanical strength. As an example, the sample with 0.1 wt% hBN showed greater than 40% increase in bulk resistivity and greater than 30% increase in surface resistivity compared to the control sam
cementBN |
thermal conductivity increase (claim 7) | ≥ 10 % | cementBN |
surface resistivity increase (claim 11) | ≥ 30 % | cementBN |
compressive strength increase (claim 20) | ≥ 210 % | cementBN |
exfoliated single layer hBN surface area (particular embodiment) | 2200 m2/g | BN |
Duration | 600–36000 s | — |
Temperature | 200–600 °C | — |
Duration | 1–10 hours | — |
Duration | 2–4 hours | — |
Duration | 48–72 hours | — |
Duration | 2–6 hours | — |
Duration | 10–60 min | — |
Duration | 2–8 hours | — |
Duration | 10–60 minutes | — |
Thickness | 0.5–1 mm | — |
Duration | 5–50 minutes | — |
— | ≥ 0.1 W | — |
— | ≥ 500 W | — |
Temperature | 500–1100 °C | — |
Duration | 1–24 hours | — |
Duration | 0.5–30 minutes | — |
Duration | 72–672 hours | — |
Duration | 2–24 hours | — |
Voltage | 2–10 v | — |
Duration | 10–20 hours | — |
Duration | 3–20 minutes | — |
Voltage | 5–20 v | — |
Voltage | 2–6 v | — |
Duration | 2–10 hours | — |
Voltage | 1–5 v | — |
Thickness | ≤ 1 nm | — |
Thickness | ≤ 500 nm | — |
Thickness | ≤ 0.5 nm | — |
Thickness | ≤ 10 nm | — |
Thickness | ≤ 50 nm | — |
Duration | ≤ 72 hours | — |
— | ≥ 10 W | — |
— | ≥ 1 W | — |
— | ≥ 1500 W | — |
— | ≥ 2000 W | — |
Thickness | ≥ 1 nm | — |
Thickness | ≥ 500 nm | — |
Duration | ≥ 30 seconds | — |
Duration | ≥ 1 minute | — |
Duration | ≥ 5 minutes | — |
Duration | ≥ 30 minutes | — |
Duration | ≥ 1 hour | — |
Duration | ≥ 3 hours | — |
Duration | ≥ 8 hours | — |
Duration | ≥ 24 hours | — |
Duration | ≥ 72 hours | — |
Duration | ≥ 1 hours | — |
Duration | ≥ 300 hours | — |
Duration | ≥ 600 hours | — |
Duration | ≥ 720 hours | — |
Duration | ≥ 672 hours | — |
Temperature | ≥ 700 °C | — |
calcium-silicate-hydrate
polymer
Figure 10 a depicts a representative TEM image of exfoliated hBN. [0020] Figure lO b depicts a representative TEM image of ultra-thin exfoliated hBN sheets (1-5 atomic layers).
Figure 1O c depicts a representative TEM image of exfoliated hBN. [0022] Figure lO d depicts a representative TEM image of the hBN/C-S-H(I). [0023] Figures l0 e-f depict representative TEM images of the hBN/C-S-H(II) at two different scales. [0024] Figure lO g depicts a representative XRD spectra of …
Figure 1O c depicts a representative TEM image of exfoliated hBN. [0022] Figure lO d depicts a representative TEM image of the hBN/C-S-H(I). [0023] Figures l0 e-f depict representative TEM images of the hBN/C-S-H(II) at two different scales. [0024] Figure lO g depicts a representative XRD spectra of …
durability tester. The same cylinders were also tested for the mechanical strength. As an example, the sample with 0.1 wt% hBN showed greater than 40% increase in bulk resistivity and greater than 30% increase in surface resistivity compared to the control sam
cementBN |
thermal conductivity increase (claim 7) | ≥ 10 % | cementBN |
surface resistivity increase (claim 11) | ≥ 30 % | cementBN |
compressive strength increase (claim 20) | ≥ 210 % | cementBN |
exfoliated single layer hBN surface area (particular embodiment) | 2200 m2/g | BN |
Duration | 600–36000 s | — |
Temperature | 200–600 °C | — |
Duration | 1–10 hours | — |
Duration | 2–4 hours | — |
Duration | 48–72 hours | — |
Duration | 2–6 hours | — |
Duration | 10–60 min | — |
Duration | 2–8 hours | — |
Duration | 10–60 minutes | — |
Thickness | 0.5–1 mm | — |
Duration | 5–50 minutes | — |
— | ≥ 0.1 W | — |
— | ≥ 500 W | — |
Temperature | 500–1100 °C | — |
Duration | 1–24 hours | — |
Duration | 0.5–30 minutes | — |
Duration | 72–672 hours | — |
Duration | 2–24 hours | — |
Voltage | 2–10 v | — |
Duration | 10–20 hours | — |
Duration | 3–20 minutes | — |
Voltage | 5–20 v | — |
Voltage | 2–6 v | — |
Duration | 2–10 hours | — |
Voltage | 1–5 v | — |
Thickness | ≤ 1 nm | — |
Thickness | ≤ 500 nm | — |
Thickness | ≤ 0.5 nm | — |
Thickness | ≤ 10 nm | — |
Thickness | ≤ 50 nm | — |
Duration | ≤ 72 hours | — |
— | ≥ 10 W | — |
— | ≥ 1 W | — |
— | ≥ 1500 W | — |
— | ≥ 2000 W | — |
Thickness | ≥ 1 nm | — |
Thickness | ≥ 500 nm | — |
Duration | ≥ 30 seconds | — |
Duration | ≥ 1 minute | — |
Duration | ≥ 5 minutes | — |
Duration | ≥ 30 minutes | — |
Duration | ≥ 1 hour | — |
Duration | ≥ 3 hours | — |
Duration | ≥ 8 hours | — |
Duration | ≥ 24 hours | — |
Duration | ≥ 72 hours | — |
Duration | ≥ 1 hours | — |
Duration | ≥ 300 hours | — |
Duration | ≥ 600 hours | — |
Duration | ≥ 720 hours | — |
Duration | ≥ 672 hours | — |
Temperature | ≥ 700 °C | — |
calcium-silicate-hydrate
polymer
Figure 10 a depicts a representative TEM image of exfoliated hBN. [0020] Figure lO b depicts a representative TEM image of ultra-thin exfoliated hBN sheets (1-5 atomic layers).
Figure 1O c depicts a representative TEM image of exfoliated hBN. [0022] Figure lO d depicts a representative TEM image of the hBN/C-S-H(I). [0023] Figures l0 e-f depict representative TEM images of the hBN/C-S-H(II) at two different scales. [0024] Figure lO g depicts a representative XRD spectra of …
Figure 1O c depicts a representative TEM image of exfoliated hBN. [0022] Figure lO d depicts a representative TEM image of the hBN/C-S-H(I). [0023] Figures l0 e-f depict representative TEM images of the hBN/C-S-H(II) at two different scales. [0024] Figure lO g depicts a representative XRD spectra of …
durability tester. The same cylinders were also tested for the mechanical strength. As an example, the sample with 0.1 wt% hBN showed greater than 40% increase in bulk resistivity and greater than 30% increase in surface resistivity compared to the control sam
cementBN |
thermal conductivity increase (claim 7) | ≥ 10 % | cementBN |
surface resistivity increase (claim 11) | ≥ 30 % | cementBN |
compressive strength increase (claim 20) | ≥ 210 % | cementBN |
exfoliated single layer hBN surface area (particular embodiment) | 2200 m2/g | BN |
Duration | 600–36000 s | — |
Temperature | 200–600 °C | — |
Duration | 1–10 hours | — |
Duration | 2–4 hours | — |
Duration | 48–72 hours | — |
Duration | 2–6 hours | — |
Duration | 10–60 min | — |
Duration | 2–8 hours | — |
Duration | 10–60 minutes | — |
Thickness | 0.5–1 mm | — |
Duration | 5–50 minutes | — |
— | ≥ 0.1 W | — |
— | ≥ 500 W | — |
Temperature | 500–1100 °C | — |
Duration | 1–24 hours | — |
Duration | 0.5–30 minutes | — |
Duration | 72–672 hours | — |
Duration | 2–24 hours | — |
Voltage | 2–10 v | — |
Duration | 10–20 hours | — |
Duration | 3–20 minutes | — |
Voltage | 5–20 v | — |
Voltage | 2–6 v | — |
Duration | 2–10 hours | — |
Voltage | 1–5 v | — |
Thickness | ≤ 1 nm | — |
Thickness | ≤ 500 nm | — |
Thickness | ≤ 0.5 nm | — |
Thickness | ≤ 10 nm | — |
Thickness | ≤ 50 nm | — |
Duration | ≤ 72 hours | — |
— | ≥ 10 W | — |
— | ≥ 1 W | — |
— | ≥ 1500 W | — |
— | ≥ 2000 W | — |
Thickness | ≥ 1 nm | — |
Thickness | ≥ 500 nm | — |
Duration | ≥ 30 seconds | — |
Duration | ≥ 1 minute | — |
Duration | ≥ 5 minutes | — |
Duration | ≥ 30 minutes | — |
Duration | ≥ 1 hour | — |
Duration | ≥ 3 hours | — |
Duration | ≥ 8 hours | — |
Duration | ≥ 24 hours | — |
Duration | ≥ 72 hours | — |
Duration | ≥ 1 hours | — |
Duration | ≥ 300 hours | — |
Duration | ≥ 600 hours | — |
Duration | ≥ 720 hours | — |
Duration | ≥ 672 hours | — |
Temperature | ≥ 700 °C | — |
calcium-silicate-hydrate
polymer
Figure 10 a depicts a representative TEM image of exfoliated hBN. [0020] Figure lO b depicts a representative TEM image of ultra-thin exfoliated hBN sheets (1-5 atomic layers).
Figure 1O c depicts a representative TEM image of exfoliated hBN. [0022] Figure lO d depicts a representative TEM image of the hBN/C-S-H(I). [0023] Figures l0 e-f depict representative TEM images of the hBN/C-S-H(II) at two different scales. [0024] Figure lO g depicts a representative XRD spectra of …
Figure 1O c depicts a representative TEM image of exfoliated hBN. [0022] Figure lO d depicts a representative TEM image of the hBN/C-S-H(I). [0023] Figures l0 e-f depict representative TEM images of the hBN/C-S-H(II) at two different scales. [0024] Figure lO g depicts a representative XRD spectra of …
durability tester. The same cylinders were also tested for the mechanical strength. As an example, the sample with 0.1 wt% hBN showed greater than 40% increase in bulk resistivity and greater than 30% increase in surface resistivity compared to the control sam
cementBN |
thermal conductivity increase (claim 7) | ≥ 10 % | cementBN |
surface resistivity increase (claim 11) | ≥ 30 % | cementBN |
compressive strength increase (claim 20) | ≥ 210 % | cementBN |
exfoliated single layer hBN surface area (particular embodiment) | 2200 m2/g | BN |
Duration | 600–36000 s | — |
Temperature | 200–600 °C | — |
Duration | 1–10 hours | — |
Duration | 2–4 hours | — |
Duration | 48–72 hours | — |
Duration | 2–6 hours | — |
Duration | 10–60 min | — |
Duration | 2–8 hours | — |
Duration | 10–60 minutes | — |
Thickness | 0.5–1 mm | — |
Duration | 5–50 minutes | — |
— | ≥ 0.1 W | — |
— | ≥ 500 W | — |
Temperature | 500–1100 °C | — |
Duration | 1–24 hours | — |
Duration | 0.5–30 minutes | — |
Duration | 72–672 hours | — |
Duration | 2–24 hours | — |
Voltage | 2–10 v | — |
Duration | 10–20 hours | — |
Duration | 3–20 minutes | — |
Voltage | 5–20 v | — |
Voltage | 2–6 v | — |
Duration | 2–10 hours | — |
Voltage | 1–5 v | — |
Thickness | ≤ 1 nm | — |
Thickness | ≤ 500 nm | — |
Thickness | ≤ 0.5 nm | — |
Thickness | ≤ 10 nm | — |
Thickness | ≤ 50 nm | — |
Duration | ≤ 72 hours | — |
— | ≥ 10 W | — |
— | ≥ 1 W | — |
— | ≥ 1500 W | — |
— | ≥ 2000 W | — |
Thickness | ≥ 1 nm | — |
Thickness | ≥ 500 nm | — |
Duration | ≥ 30 seconds | — |
Duration | ≥ 1 minute | — |
Duration | ≥ 5 minutes | — |
Duration | ≥ 30 minutes | — |
Duration | ≥ 1 hour | — |
Duration | ≥ 3 hours | — |
Duration | ≥ 8 hours | — |
Duration | ≥ 24 hours | — |
Duration | ≥ 72 hours | — |
Duration | ≥ 1 hours | — |
Duration | ≥ 300 hours | — |
Duration | ≥ 600 hours | — |
Duration | ≥ 720 hours | — |
Duration | ≥ 672 hours | — |
Temperature | ≥ 700 °C | — |