Patent
Atlas literature
Patent
US 12,473,479 B2Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a schematic diagram of aggregates of primary particles of h-BN according to the present invention. B₂
FIG. 2 shows particle size distribution curves when the h-BN powder of the present invention (Example 2) is ultrasonically treated for 3 minutes. The particle …
FIG. 3 is a schematic diagram for explaining condition 1 according to the present invention.
FIG. 4 shows particle size distribution curves when a predetermined classified powder of the h-BN powder of the present invention (Example 1) is ultrasonically …
FIG. 5 shows particle size distribution curves of the h-BN powder of Comparative Example 3 when it is ultrasonically treated for 3 minutes. The particle size …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A hexagonal boron nitride powder comprising an aggregate of primary particles of hexagonal boron nitride, having an average primary particle diameter of 0.5 µm or more and less than 10.0 µm, a 50% volume cumulative particle diameter D₅₀ of 10.0 to 150.0 µm, a BET specific surface area of 1.0 m2/g or more and less than 10.0 m2/g, and a bulk density of 0.50 to 2.00 g/cm3, and having a peak A in a particle diameter range of 1.0 µm or more and less than 20.0 µm and a peak B in a particle B₂ Examples 2 3 3.7 6.8 87.8 75.4 4.1 6.1 0.82 0.62 13.1 18.5 0.49 1.63 96.0 88.0 8.38 7.27 0.06 0.22 3.3 13.1 1.91 4.62 80.7 52.3 6.35 2.08 0.30 2.22 96.0 104.7 9.89 10.29 88.0 74.0 7.69 5.65 22 20.3 13.1 7 9 diameter range of 20.0 µm or more and less than 200.0 µm in a particle size distribution curve representing volume-based frequency distribution, having a maximum peak C within a particle diameter range of 45.0 to 150.0 µm in a particle size distribution curve representing volume-based frequency distribu-tion of a powder obtained by classifying the hexagonal boron nitride powder within a particle diameter range of more than 45 µm and 106 µm or less using a vibrating sieve, where c1 is a height of the maximum peak C, a ratio of a height a1 of the peak A to a height b1 of the peak B, a1/b1, is in a range of 0.07 to 0.80, wherein, after subjecting the hexagonal boron nitride powder to an ultrasonic treatment under the following condition 1 for 3 minutes, [condition 1] 50 mL of an aqueous dispersion of 0.12% by mass of the hexagonal boron nitride powder at 20° C. is placed in a 50 mL glass beaker having a barrel inner diameter of 40 mm and a height of 60 mm, an end of a tip of a vibrator of an ultrasonic generator is set at a height of 1 cm from a bottom surface of a central portion of the beaker, and ultrasonic treatment is per-formed at an output of 150 W and an oscillation frequency of 19.5 kHz, the ultrasonically treated hexagonal boron nitride powder has a ratio of a height a2 of a peak A to a height b2 of a peak B, a2/b2, in a range of 0.40 to 2.00, and a height c2 of a maximum peak C, and wherein a percent decrease in the height of the maximum peak C, (c1-c2)/c1×100, is 5% or more and less than 30%.
A method for producing the hexagonal boron nitride powder according to claim 1, comprising steps of: preparing a mixed powder comprising 50 to 90 parts by mass of a hexagonal boron nitride raw material powder and 10 to 50 parts by mass of one or two or more boron compounds selected from the group consisting of a boron oxoacid and boron oxide; adding and mixing with 100 parts by mass of the mixed powder 3.0 to 10.0 parts by mass, in terms of carbon atoms, of one or two or more carbon sources selected from the group consisting of graphite and a carbon-containing compound, to prepare a forming material; pressure-forming the forming material to make a formed body having a density of 1.40 to 1.70 g/cm3; firing the formed body under a nitrogen gas atmosphere at 1000 to 2200° C. to obtain a fired material; and grinding the fired material and classifying a ground mate-rial, wherein the hexagonal boron nitride raw material powder has a ratio of an average primary particle diameter L to an average thickness d, L/d, in a range of 2.0 to 15.0, a 50% volume cumulative particle diameter D₅₀ of 0.20 to 5.00 µm, a BET specific surface area of 5.0 to 30.0 m2/g, and a crystallite diameter of 150 to 400 Å.
A composition comprising a base material comprising one or two or more selected from the group consisting of a resin and a rubber, and the hexagonal boron nitride powder according to claim 1.
Embodiments described in the patent, grouped by the materials and process steps they use.
5 materials1 process step
Multiple examples of h-BN powder production involving mixing h-BN raw material powder with boron compounds and carbon sources, pressure-forming into a body of density 1.40–1.70 g/cm3, firing under nitrogen at 1000–2200°C, and grinding/classifying the fired material. Resulting powders were characterized for average primary particle diameter, D50, BET specific surface area, bulk density, and particle size distribution peak ratios (a1/b1 before ultrasonic treatment and a2/b2 after ultrasonic treatment), as well as percent decrease in maximum peak C height. Example data includes: Example 2 and Example 3 values (e.g., average primary particle diameters 3.7 and 6.8 µm; D₅₀ 87.8 and 75.4 µm; BET 4.1 and 6.1 m2/g; bulk density 0.82 and 0.62 g/cm3; a1/b1 0.49 and 1.63; a2/b2 values; percent decrease in peak C 0.06 and 0.22).
Layer stacks claimed or described, ordered top of device to substrate.
composition (h-BN filler in resin/rubber matrix)
heat dissipation material
heat dissipation sheet
Materials described outside the worked examples.
resin or rubber base material
Measurements and analyses referenced in the patent, with their drawing references.
durability, softness, and flexibility required in the applica-tion uses of a heat dissipation material obtained using the 35 composition of the present invention. As the base material, thermosetting resins are preferred. Among these, epoxy resins and silicone r
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Average Primary Particle Diameter | 0.5–10 µm | BN |
D50 Volume Cumulative Particle Diameter | 10–150 µm |
Patents and literature cited by this patent (applicant and examiner references).
Cited patents · 5
Cited non-patent literature · 2
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 12,473,479 B2Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a schematic diagram of aggregates of primary particles of h-BN according to the present invention. B₂
FIG. 2 shows particle size distribution curves when the h-BN powder of the present invention (Example 2) is ultrasonically treated for 3 minutes. The particle …
FIG. 3 is a schematic diagram for explaining condition 1 according to the present invention.
FIG. 4 shows particle size distribution curves when a predetermined classified powder of the h-BN powder of the present invention (Example 1) is ultrasonically …
FIG. 5 shows particle size distribution curves of the h-BN powder of Comparative Example 3 when it is ultrasonically treated for 3 minutes. The particle size …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A hexagonal boron nitride powder comprising an aggregate of primary particles of hexagonal boron nitride, having an average primary particle diameter of 0.5 µm or more and less than 10.0 µm, a 50% volume cumulative particle diameter D₅₀ of 10.0 to 150.0 µm, a BET specific surface area of 1.0 m2/g or more and less than 10.0 m2/g, and a bulk density of 0.50 to 2.00 g/cm3, and having a peak A in a particle diameter range of 1.0 µm or more and less than 20.0 µm and a peak B in a particle B₂ Examples 2 3 3.7 6.8 87.8 75.4 4.1 6.1 0.82 0.62 13.1 18.5 0.49 1.63 96.0 88.0 8.38 7.27 0.06 0.22 3.3 13.1 1.91 4.62 80.7 52.3 6.35 2.08 0.30 2.22 96.0 104.7 9.89 10.29 88.0 74.0 7.69 5.65 22 20.3 13.1 7 9 diameter range of 20.0 µm or more and less than 200.0 µm in a particle size distribution curve representing volume-based frequency distribution, having a maximum peak C within a particle diameter range of 45.0 to 150.0 µm in a particle size distribution curve representing volume-based frequency distribu-tion of a powder obtained by classifying the hexagonal boron nitride powder within a particle diameter range of more than 45 µm and 106 µm or less using a vibrating sieve, where c1 is a height of the maximum peak C, a ratio of a height a1 of the peak A to a height b1 of the peak B, a1/b1, is in a range of 0.07 to 0.80, wherein, after subjecting the hexagonal boron nitride powder to an ultrasonic treatment under the following condition 1 for 3 minutes, [condition 1] 50 mL of an aqueous dispersion of 0.12% by mass of the hexagonal boron nitride powder at 20° C. is placed in a 50 mL glass beaker having a barrel inner diameter of 40 mm and a height of 60 mm, an end of a tip of a vibrator of an ultrasonic generator is set at a height of 1 cm from a bottom surface of a central portion of the beaker, and ultrasonic treatment is per-formed at an output of 150 W and an oscillation frequency of 19.5 kHz, the ultrasonically treated hexagonal boron nitride powder has a ratio of a height a2 of a peak A to a height b2 of a peak B, a2/b2, in a range of 0.40 to 2.00, and a height c2 of a maximum peak C, and wherein a percent decrease in the height of the maximum peak C, (c1-c2)/c1×100, is 5% or more and less than 30%.
A method for producing the hexagonal boron nitride powder according to claim 1, comprising steps of: preparing a mixed powder comprising 50 to 90 parts by mass of a hexagonal boron nitride raw material powder and 10 to 50 parts by mass of one or two or more boron compounds selected from the group consisting of a boron oxoacid and boron oxide; adding and mixing with 100 parts by mass of the mixed powder 3.0 to 10.0 parts by mass, in terms of carbon atoms, of one or two or more carbon sources selected from the group consisting of graphite and a carbon-containing compound, to prepare a forming material; pressure-forming the forming material to make a formed body having a density of 1.40 to 1.70 g/cm3; firing the formed body under a nitrogen gas atmosphere at 1000 to 2200° C. to obtain a fired material; and grinding the fired material and classifying a ground mate-rial, wherein the hexagonal boron nitride raw material powder has a ratio of an average primary particle diameter L to an average thickness d, L/d, in a range of 2.0 to 15.0, a 50% volume cumulative particle diameter D₅₀ of 0.20 to 5.00 µm, a BET specific surface area of 5.0 to 30.0 m2/g, and a crystallite diameter of 150 to 400 Å.
A composition comprising a base material comprising one or two or more selected from the group consisting of a resin and a rubber, and the hexagonal boron nitride powder according to claim 1.
Embodiments described in the patent, grouped by the materials and process steps they use.
5 materials1 process step
Multiple examples of h-BN powder production involving mixing h-BN raw material powder with boron compounds and carbon sources, pressure-forming into a body of density 1.40–1.70 g/cm3, firing under nitrogen at 1000–2200°C, and grinding/classifying the fired material. Resulting powders were characterized for average primary particle diameter, D50, BET specific surface area, bulk density, and particle size distribution peak ratios (a1/b1 before ultrasonic treatment and a2/b2 after ultrasonic treatment), as well as percent decrease in maximum peak C height. Example data includes: Example 2 and Example 3 values (e.g., average primary particle diameters 3.7 and 6.8 µm; D₅₀ 87.8 and 75.4 µm; BET 4.1 and 6.1 m2/g; bulk density 0.82 and 0.62 g/cm3; a1/b1 0.49 and 1.63; a2/b2 values; percent decrease in peak C 0.06 and 0.22).
Layer stacks claimed or described, ordered top of device to substrate.
composition (h-BN filler in resin/rubber matrix)
heat dissipation material
heat dissipation sheet
Materials described outside the worked examples.
resin or rubber base material
Measurements and analyses referenced in the patent, with their drawing references.
durability, softness, and flexibility required in the applica-tion uses of a heat dissipation material obtained using the 35 composition of the present invention. As the base material, thermosetting resins are preferred. Among these, epoxy resins and silicone r
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Average Primary Particle Diameter | 0.5–10 µm | BN |
D50 Volume Cumulative Particle Diameter | 10–150 µm |
Patents and literature cited by this patent (applicant and examiner references).
Cited patents · 5
Cited non-patent literature · 2
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 12,473,479 B2Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a schematic diagram of aggregates of primary particles of h-BN according to the present invention. B₂
FIG. 2 shows particle size distribution curves when the h-BN powder of the present invention (Example 2) is ultrasonically treated for 3 minutes. The particle …
FIG. 3 is a schematic diagram for explaining condition 1 according to the present invention.
FIG. 4 shows particle size distribution curves when a predetermined classified powder of the h-BN powder of the present invention (Example 1) is ultrasonically …
FIG. 5 shows particle size distribution curves of the h-BN powder of Comparative Example 3 when it is ultrasonically treated for 3 minutes. The particle size …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A hexagonal boron nitride powder comprising an aggregate of primary particles of hexagonal boron nitride, having an average primary particle diameter of 0.5 µm or more and less than 10.0 µm, a 50% volume cumulative particle diameter D₅₀ of 10.0 to 150.0 µm, a BET specific surface area of 1.0 m2/g or more and less than 10.0 m2/g, and a bulk density of 0.50 to 2.00 g/cm3, and having a peak A in a particle diameter range of 1.0 µm or more and less than 20.0 µm and a peak B in a particle B₂ Examples 2 3 3.7 6.8 87.8 75.4 4.1 6.1 0.82 0.62 13.1 18.5 0.49 1.63 96.0 88.0 8.38 7.27 0.06 0.22 3.3 13.1 1.91 4.62 80.7 52.3 6.35 2.08 0.30 2.22 96.0 104.7 9.89 10.29 88.0 74.0 7.69 5.65 22 20.3 13.1 7 9 diameter range of 20.0 µm or more and less than 200.0 µm in a particle size distribution curve representing volume-based frequency distribution, having a maximum peak C within a particle diameter range of 45.0 to 150.0 µm in a particle size distribution curve representing volume-based frequency distribu-tion of a powder obtained by classifying the hexagonal boron nitride powder within a particle diameter range of more than 45 µm and 106 µm or less using a vibrating sieve, where c1 is a height of the maximum peak C, a ratio of a height a1 of the peak A to a height b1 of the peak B, a1/b1, is in a range of 0.07 to 0.80, wherein, after subjecting the hexagonal boron nitride powder to an ultrasonic treatment under the following condition 1 for 3 minutes, [condition 1] 50 mL of an aqueous dispersion of 0.12% by mass of the hexagonal boron nitride powder at 20° C. is placed in a 50 mL glass beaker having a barrel inner diameter of 40 mm and a height of 60 mm, an end of a tip of a vibrator of an ultrasonic generator is set at a height of 1 cm from a bottom surface of a central portion of the beaker, and ultrasonic treatment is per-formed at an output of 150 W and an oscillation frequency of 19.5 kHz, the ultrasonically treated hexagonal boron nitride powder has a ratio of a height a2 of a peak A to a height b2 of a peak B, a2/b2, in a range of 0.40 to 2.00, and a height c2 of a maximum peak C, and wherein a percent decrease in the height of the maximum peak C, (c1-c2)/c1×100, is 5% or more and less than 30%.
A method for producing the hexagonal boron nitride powder according to claim 1, comprising steps of: preparing a mixed powder comprising 50 to 90 parts by mass of a hexagonal boron nitride raw material powder and 10 to 50 parts by mass of one or two or more boron compounds selected from the group consisting of a boron oxoacid and boron oxide; adding and mixing with 100 parts by mass of the mixed powder 3.0 to 10.0 parts by mass, in terms of carbon atoms, of one or two or more carbon sources selected from the group consisting of graphite and a carbon-containing compound, to prepare a forming material; pressure-forming the forming material to make a formed body having a density of 1.40 to 1.70 g/cm3; firing the formed body under a nitrogen gas atmosphere at 1000 to 2200° C. to obtain a fired material; and grinding the fired material and classifying a ground mate-rial, wherein the hexagonal boron nitride raw material powder has a ratio of an average primary particle diameter L to an average thickness d, L/d, in a range of 2.0 to 15.0, a 50% volume cumulative particle diameter D₅₀ of 0.20 to 5.00 µm, a BET specific surface area of 5.0 to 30.0 m2/g, and a crystallite diameter of 150 to 400 Å.
A composition comprising a base material comprising one or two or more selected from the group consisting of a resin and a rubber, and the hexagonal boron nitride powder according to claim 1.
Embodiments described in the patent, grouped by the materials and process steps they use.
5 materials1 process step
Multiple examples of h-BN powder production involving mixing h-BN raw material powder with boron compounds and carbon sources, pressure-forming into a body of density 1.40–1.70 g/cm3, firing under nitrogen at 1000–2200°C, and grinding/classifying the fired material. Resulting powders were characterized for average primary particle diameter, D50, BET specific surface area, bulk density, and particle size distribution peak ratios (a1/b1 before ultrasonic treatment and a2/b2 after ultrasonic treatment), as well as percent decrease in maximum peak C height. Example data includes: Example 2 and Example 3 values (e.g., average primary particle diameters 3.7 and 6.8 µm; D₅₀ 87.8 and 75.4 µm; BET 4.1 and 6.1 m2/g; bulk density 0.82 and 0.62 g/cm3; a1/b1 0.49 and 1.63; a2/b2 values; percent decrease in peak C 0.06 and 0.22).
Layer stacks claimed or described, ordered top of device to substrate.
composition (h-BN filler in resin/rubber matrix)
heat dissipation material
heat dissipation sheet
Materials described outside the worked examples.
resin or rubber base material
Measurements and analyses referenced in the patent, with their drawing references.
durability, softness, and flexibility required in the applica-tion uses of a heat dissipation material obtained using the 35 composition of the present invention. As the base material, thermosetting resins are preferred. Among these, epoxy resins and silicone r
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Average Primary Particle Diameter | 0.5–10 µm | BN |
D50 Volume Cumulative Particle Diameter | 10–150 µm |
Patents and literature cited by this patent (applicant and examiner references).
Cited patents · 5
Cited non-patent literature · 2
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 12,473,479 B2Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a schematic diagram of aggregates of primary particles of h-BN according to the present invention. B₂
FIG. 2 shows particle size distribution curves when the h-BN powder of the present invention (Example 2) is ultrasonically treated for 3 minutes. The particle …
FIG. 3 is a schematic diagram for explaining condition 1 according to the present invention.
FIG. 4 shows particle size distribution curves when a predetermined classified powder of the h-BN powder of the present invention (Example 1) is ultrasonically …
FIG. 5 shows particle size distribution curves of the h-BN powder of Comparative Example 3 when it is ultrasonically treated for 3 minutes. The particle size …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A hexagonal boron nitride powder comprising an aggregate of primary particles of hexagonal boron nitride, having an average primary particle diameter of 0.5 µm or more and less than 10.0 µm, a 50% volume cumulative particle diameter D₅₀ of 10.0 to 150.0 µm, a BET specific surface area of 1.0 m2/g or more and less than 10.0 m2/g, and a bulk density of 0.50 to 2.00 g/cm3, and having a peak A in a particle diameter range of 1.0 µm or more and less than 20.0 µm and a peak B in a particle B₂ Examples 2 3 3.7 6.8 87.8 75.4 4.1 6.1 0.82 0.62 13.1 18.5 0.49 1.63 96.0 88.0 8.38 7.27 0.06 0.22 3.3 13.1 1.91 4.62 80.7 52.3 6.35 2.08 0.30 2.22 96.0 104.7 9.89 10.29 88.0 74.0 7.69 5.65 22 20.3 13.1 7 9 diameter range of 20.0 µm or more and less than 200.0 µm in a particle size distribution curve representing volume-based frequency distribution, having a maximum peak C within a particle diameter range of 45.0 to 150.0 µm in a particle size distribution curve representing volume-based frequency distribu-tion of a powder obtained by classifying the hexagonal boron nitride powder within a particle diameter range of more than 45 µm and 106 µm or less using a vibrating sieve, where c1 is a height of the maximum peak C, a ratio of a height a1 of the peak A to a height b1 of the peak B, a1/b1, is in a range of 0.07 to 0.80, wherein, after subjecting the hexagonal boron nitride powder to an ultrasonic treatment under the following condition 1 for 3 minutes, [condition 1] 50 mL of an aqueous dispersion of 0.12% by mass of the hexagonal boron nitride powder at 20° C. is placed in a 50 mL glass beaker having a barrel inner diameter of 40 mm and a height of 60 mm, an end of a tip of a vibrator of an ultrasonic generator is set at a height of 1 cm from a bottom surface of a central portion of the beaker, and ultrasonic treatment is per-formed at an output of 150 W and an oscillation frequency of 19.5 kHz, the ultrasonically treated hexagonal boron nitride powder has a ratio of a height a2 of a peak A to a height b2 of a peak B, a2/b2, in a range of 0.40 to 2.00, and a height c2 of a maximum peak C, and wherein a percent decrease in the height of the maximum peak C, (c1-c2)/c1×100, is 5% or more and less than 30%.
A method for producing the hexagonal boron nitride powder according to claim 1, comprising steps of: preparing a mixed powder comprising 50 to 90 parts by mass of a hexagonal boron nitride raw material powder and 10 to 50 parts by mass of one or two or more boron compounds selected from the group consisting of a boron oxoacid and boron oxide; adding and mixing with 100 parts by mass of the mixed powder 3.0 to 10.0 parts by mass, in terms of carbon atoms, of one or two or more carbon sources selected from the group consisting of graphite and a carbon-containing compound, to prepare a forming material; pressure-forming the forming material to make a formed body having a density of 1.40 to 1.70 g/cm3; firing the formed body under a nitrogen gas atmosphere at 1000 to 2200° C. to obtain a fired material; and grinding the fired material and classifying a ground mate-rial, wherein the hexagonal boron nitride raw material powder has a ratio of an average primary particle diameter L to an average thickness d, L/d, in a range of 2.0 to 15.0, a 50% volume cumulative particle diameter D₅₀ of 0.20 to 5.00 µm, a BET specific surface area of 5.0 to 30.0 m2/g, and a crystallite diameter of 150 to 400 Å.
A composition comprising a base material comprising one or two or more selected from the group consisting of a resin and a rubber, and the hexagonal boron nitride powder according to claim 1.
Embodiments described in the patent, grouped by the materials and process steps they use.
5 materials1 process step
Multiple examples of h-BN powder production involving mixing h-BN raw material powder with boron compounds and carbon sources, pressure-forming into a body of density 1.40–1.70 g/cm3, firing under nitrogen at 1000–2200°C, and grinding/classifying the fired material. Resulting powders were characterized for average primary particle diameter, D50, BET specific surface area, bulk density, and particle size distribution peak ratios (a1/b1 before ultrasonic treatment and a2/b2 after ultrasonic treatment), as well as percent decrease in maximum peak C height. Example data includes: Example 2 and Example 3 values (e.g., average primary particle diameters 3.7 and 6.8 µm; D₅₀ 87.8 and 75.4 µm; BET 4.1 and 6.1 m2/g; bulk density 0.82 and 0.62 g/cm3; a1/b1 0.49 and 1.63; a2/b2 values; percent decrease in peak C 0.06 and 0.22).
Layer stacks claimed or described, ordered top of device to substrate.
composition (h-BN filler in resin/rubber matrix)
heat dissipation material
heat dissipation sheet
Materials described outside the worked examples.
resin or rubber base material
Measurements and analyses referenced in the patent, with their drawing references.
durability, softness, and flexibility required in the applica-tion uses of a heat dissipation material obtained using the 35 composition of the present invention. As the base material, thermosetting resins are preferred. Among these, epoxy resins and silicone r
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Average Primary Particle Diameter | 0.5–10 µm | BN |
D50 Volume Cumulative Particle Diameter | 10–150 µm |
Patents and literature cited by this patent (applicant and examiner references).
Cited patents · 5
Cited non-patent literature · 2
Related documents with shared materials, methods, properties, or citations.
Bet Specific Surface Area | 1–10 m2/g | BN |
Bulk Density | 0.5–2 g/cm3 | BN |
Particle Size Distribution Peak Ratio A1 B1 Before Ultrasonic | 0.07–0.8 dimensionless | BN |
Particle Size Distribution Peak Ratio A2 B2 After Ultrasonic | 0.4–2 dimensionless | BN |
Percent Decrease In Maximum Peak C Height | 5–30 % | BN |
Average Primary Particle Diameter | 3.7 µm | BN |
Average Primary Particle Diameter | 6.8 µm | BN |
D50 Volume Cumulative Particle Diameter | 87.8 µm | BN |
D50 Volume Cumulative Particle Diameter | 75.4 µm | BN |
Bet Specific Surface Area | 4.1 m2/g | BN |
Bet Specific Surface Area | 6.1 m2/g | BN |
Bulk Density | 0.82 g/cm3 | BN |
Bulk Density | 0.62 g/cm3 | BN |
Particle Size Distribution Peak Ratio A1 B1 Before Ultrasonic | 0.49 dimensionless | BN |
Particle Size Distribution Peak Ratio A1 B1 Before Ultrasonic | 1.63 dimensionless | BN |
Percent Decrease In Maximum Peak C Height | 0.06 % | BN |
Percent Decrease In Maximum Peak C Height | 0.22 % | BN |
Temperature | 1750–2200 °C | — |
Thickness | 45–150 µm | — |
Thickness | ≤ 20 µm | — |
Thickness | ≤ 200 µm | — |
Thickness | ≥ 1000000 µm | — |
Thickness | ≥ 45 µm | — |
Thickness | 1–8 µm | — |
Thickness | 2–4 µm | — |
Thickness | 20–120 µm | — |
Thickness | 30–100 µm | — |
Pressure | 50–90 pa | — |
Pressure | 10–50 pa | — |
Pressure | 3–10 pa | — |
Temperature | 1000–2200 °C | — |
Thickness | 0.2–5 µm | — |
Thickness | 150–400 Å | — |
Pressure | 55–85 pa | — |
Pressure | 60–80 pa | — |
Pressure | 15–45 pa | — |
Pressure | 20–40 pa | — |
Thickness | 0.25–3 µm | — |
Thickness | 0.3–2 µm | — |
Thickness | 180–350 Å | — |
Thickness | 200–300 Å | — |
Pressure | 3–8 pa | — |
Pressure | 3.3–5 pa | — |
Pressure | 15–20 pa | — |
Pressure | 15.5–19.5 pa | — |
Pressure | 16–19 pa | — |
Thickness | 0.1–15 µm | — |
Pressure | 0.05–2 pa | — |
Pressure | 0.1–1 pa | — |
Pressure | 0.15–0.5 pa | — |
Temperature | 1500–2200 °C | — |
Temperature | 1700–2200 °C | — |
Duration | 6–20 hours | — |
Duration | 8–18 hours | — |
Duration | 10–15 hours | — |
Temperature | 150–400 °C | — |
Temperature | 200–400 °C | — |
Duration | 5–20 hours | — |
Duration | 8–15 hours | — |
Pressure | 0.05–50 pa | — |
Pressure | 1–30 pa | — |
Pressure | 5–25 pa | — |
Pressure | 0.1–10 pa | — |
Pressure | 0.4–5 pa | — |
Thickness | ≤ 10 µm | — |
Bet Specific Surface Area | 1–10 m2/g | BN |
Bulk Density | 0.5–2 g/cm3 | BN |
Particle Size Distribution Peak Ratio A1 B1 Before Ultrasonic | 0.07–0.8 dimensionless | BN |
Particle Size Distribution Peak Ratio A2 B2 After Ultrasonic | 0.4–2 dimensionless | BN |
Percent Decrease In Maximum Peak C Height | 5–30 % | BN |
Average Primary Particle Diameter | 3.7 µm | BN |
Average Primary Particle Diameter | 6.8 µm | BN |
D50 Volume Cumulative Particle Diameter | 87.8 µm | BN |
D50 Volume Cumulative Particle Diameter | 75.4 µm | BN |
Bet Specific Surface Area | 4.1 m2/g | BN |
Bet Specific Surface Area | 6.1 m2/g | BN |
Bulk Density | 0.82 g/cm3 | BN |
Bulk Density | 0.62 g/cm3 | BN |
Particle Size Distribution Peak Ratio A1 B1 Before Ultrasonic | 0.49 dimensionless | BN |
Particle Size Distribution Peak Ratio A1 B1 Before Ultrasonic | 1.63 dimensionless | BN |
Percent Decrease In Maximum Peak C Height | 0.06 % | BN |
Percent Decrease In Maximum Peak C Height | 0.22 % | BN |
Temperature | 1750–2200 °C | — |
Thickness | 45–150 µm | — |
Thickness | ≤ 20 µm | — |
Thickness | ≤ 200 µm | — |
Thickness | ≥ 1000000 µm | — |
Thickness | ≥ 45 µm | — |
Thickness | 1–8 µm | — |
Thickness | 2–4 µm | — |
Thickness | 20–120 µm | — |
Thickness | 30–100 µm | — |
Pressure | 50–90 pa | — |
Pressure | 10–50 pa | — |
Pressure | 3–10 pa | — |
Temperature | 1000–2200 °C | — |
Thickness | 0.2–5 µm | — |
Thickness | 150–400 Å | — |
Pressure | 55–85 pa | — |
Pressure | 60–80 pa | — |
Pressure | 15–45 pa | — |
Pressure | 20–40 pa | — |
Thickness | 0.25–3 µm | — |
Thickness | 0.3–2 µm | — |
Thickness | 180–350 Å | — |
Thickness | 200–300 Å | — |
Pressure | 3–8 pa | — |
Pressure | 3.3–5 pa | — |
Pressure | 15–20 pa | — |
Pressure | 15.5–19.5 pa | — |
Pressure | 16–19 pa | — |
Thickness | 0.1–15 µm | — |
Pressure | 0.05–2 pa | — |
Pressure | 0.1–1 pa | — |
Pressure | 0.15–0.5 pa | — |
Temperature | 1500–2200 °C | — |
Temperature | 1700–2200 °C | — |
Duration | 6–20 hours | — |
Duration | 8–18 hours | — |
Duration | 10–15 hours | — |
Temperature | 150–400 °C | — |
Temperature | 200–400 °C | — |
Duration | 5–20 hours | — |
Duration | 8–15 hours | — |
Pressure | 0.05–50 pa | — |
Pressure | 1–30 pa | — |
Pressure | 5–25 pa | — |
Pressure | 0.1–10 pa | — |
Pressure | 0.4–5 pa | — |
Thickness | ≤ 10 µm | — |
Bet Specific Surface Area | 1–10 m2/g | BN |
Bulk Density | 0.5–2 g/cm3 | BN |
Particle Size Distribution Peak Ratio A1 B1 Before Ultrasonic | 0.07–0.8 dimensionless | BN |
Particle Size Distribution Peak Ratio A2 B2 After Ultrasonic | 0.4–2 dimensionless | BN |
Percent Decrease In Maximum Peak C Height | 5–30 % | BN |
Average Primary Particle Diameter | 3.7 µm | BN |
Average Primary Particle Diameter | 6.8 µm | BN |
D50 Volume Cumulative Particle Diameter | 87.8 µm | BN |
D50 Volume Cumulative Particle Diameter | 75.4 µm | BN |
Bet Specific Surface Area | 4.1 m2/g | BN |
Bet Specific Surface Area | 6.1 m2/g | BN |
Bulk Density | 0.82 g/cm3 | BN |
Bulk Density | 0.62 g/cm3 | BN |
Particle Size Distribution Peak Ratio A1 B1 Before Ultrasonic | 0.49 dimensionless | BN |
Particle Size Distribution Peak Ratio A1 B1 Before Ultrasonic | 1.63 dimensionless | BN |
Percent Decrease In Maximum Peak C Height | 0.06 % | BN |
Percent Decrease In Maximum Peak C Height | 0.22 % | BN |
Temperature | 1750–2200 °C | — |
Thickness | 45–150 µm | — |
Thickness | ≤ 20 µm | — |
Thickness | ≤ 200 µm | — |
Thickness | ≥ 1000000 µm | — |
Thickness | ≥ 45 µm | — |
Thickness | 1–8 µm | — |
Thickness | 2–4 µm | — |
Thickness | 20–120 µm | — |
Thickness | 30–100 µm | — |
Pressure | 50–90 pa | — |
Pressure | 10–50 pa | — |
Pressure | 3–10 pa | — |
Temperature | 1000–2200 °C | — |
Thickness | 0.2–5 µm | — |
Thickness | 150–400 Å | — |
Pressure | 55–85 pa | — |
Pressure | 60–80 pa | — |
Pressure | 15–45 pa | — |
Pressure | 20–40 pa | — |
Thickness | 0.25–3 µm | — |
Thickness | 0.3–2 µm | — |
Thickness | 180–350 Å | — |
Thickness | 200–300 Å | — |
Pressure | 3–8 pa | — |
Pressure | 3.3–5 pa | — |
Pressure | 15–20 pa | — |
Pressure | 15.5–19.5 pa | — |
Pressure | 16–19 pa | — |
Thickness | 0.1–15 µm | — |
Pressure | 0.05–2 pa | — |
Pressure | 0.1–1 pa | — |
Pressure | 0.15–0.5 pa | — |
Temperature | 1500–2200 °C | — |
Temperature | 1700–2200 °C | — |
Duration | 6–20 hours | — |
Duration | 8–18 hours | — |
Duration | 10–15 hours | — |
Temperature | 150–400 °C | — |
Temperature | 200–400 °C | — |
Duration | 5–20 hours | — |
Duration | 8–15 hours | — |
Pressure | 0.05–50 pa | — |
Pressure | 1–30 pa | — |
Pressure | 5–25 pa | — |
Pressure | 0.1–10 pa | — |
Pressure | 0.4–5 pa | — |
Thickness | ≤ 10 µm | — |
Bet Specific Surface Area | 1–10 m2/g | BN |
Bulk Density | 0.5–2 g/cm3 | BN |
Particle Size Distribution Peak Ratio A1 B1 Before Ultrasonic | 0.07–0.8 dimensionless | BN |
Particle Size Distribution Peak Ratio A2 B2 After Ultrasonic | 0.4–2 dimensionless | BN |
Percent Decrease In Maximum Peak C Height | 5–30 % | BN |
Average Primary Particle Diameter | 3.7 µm | BN |
Average Primary Particle Diameter | 6.8 µm | BN |
D50 Volume Cumulative Particle Diameter | 87.8 µm | BN |
D50 Volume Cumulative Particle Diameter | 75.4 µm | BN |
Bet Specific Surface Area | 4.1 m2/g | BN |
Bet Specific Surface Area | 6.1 m2/g | BN |
Bulk Density | 0.82 g/cm3 | BN |
Bulk Density | 0.62 g/cm3 | BN |
Particle Size Distribution Peak Ratio A1 B1 Before Ultrasonic | 0.49 dimensionless | BN |
Particle Size Distribution Peak Ratio A1 B1 Before Ultrasonic | 1.63 dimensionless | BN |
Percent Decrease In Maximum Peak C Height | 0.06 % | BN |
Percent Decrease In Maximum Peak C Height | 0.22 % | BN |
Temperature | 1750–2200 °C | — |
Thickness | 45–150 µm | — |
Thickness | ≤ 20 µm | — |
Thickness | ≤ 200 µm | — |
Thickness | ≥ 1000000 µm | — |
Thickness | ≥ 45 µm | — |
Thickness | 1–8 µm | — |
Thickness | 2–4 µm | — |
Thickness | 20–120 µm | — |
Thickness | 30–100 µm | — |
Pressure | 50–90 pa | — |
Pressure | 10–50 pa | — |
Pressure | 3–10 pa | — |
Temperature | 1000–2200 °C | — |
Thickness | 0.2–5 µm | — |
Thickness | 150–400 Å | — |
Pressure | 55–85 pa | — |
Pressure | 60–80 pa | — |
Pressure | 15–45 pa | — |
Pressure | 20–40 pa | — |
Thickness | 0.25–3 µm | — |
Thickness | 0.3–2 µm | — |
Thickness | 180–350 Å | — |
Thickness | 200–300 Å | — |
Pressure | 3–8 pa | — |
Pressure | 3.3–5 pa | — |
Pressure | 15–20 pa | — |
Pressure | 15.5–19.5 pa | — |
Pressure | 16–19 pa | — |
Thickness | 0.1–15 µm | — |
Pressure | 0.05–2 pa | — |
Pressure | 0.1–1 pa | — |
Pressure | 0.15–0.5 pa | — |
Temperature | 1500–2200 °C | — |
Temperature | 1700–2200 °C | — |
Duration | 6–20 hours | — |
Duration | 8–18 hours | — |
Duration | 10–15 hours | — |
Temperature | 150–400 °C | — |
Temperature | 200–400 °C | — |
Duration | 5–20 hours | — |
Duration | 8–15 hours | — |
Pressure | 0.05–50 pa | — |
Pressure | 1–30 pa | — |
Pressure | 5–25 pa | — |
Pressure | 0.1–10 pa | — |
Pressure | 0.4–5 pa | — |
Thickness | ≤ 10 µm | — |
