Patent
US 8,999,212Process for spinning graphene ribbon fibers
Bernardus Maria Koenders
US
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Patent
Atlas literature
Patent
US 8,999,212Patent drawings and their descriptions. Click a drawing to enlarge it.
Figure 1 schematically represents an embodiment of a process for manufacturing graphene ribbon fibers according to an embodiment including a transport tube consisting of a vertical and a horizontal part.
Figure 2 schematically represents an alternative embodiment of a process for manufacturing graphene ribbon fibers according to an embodiment including a transport tube wherein a part of the transport tube is movable to alter the height of the outlet of the transport tube to adjust the level of …
Figure 3 schematically represents a process for manufacturing graphene ribbon fibers according to an embodiment wherein the coagulated fibers leave the coagulation bath downwards through a vertical tube.
Figure 4 schematically represents a process for manufacturing graphene ribbon fibers according to an embodiment wherein the accrued fibers are spun directly into a transport tube containing coagulation medium in a vertically upward direction.
Figure 5 schematically represents a process for manufacturing graphene ribbon fibers according to an embodiment wherein the accrued fibers are spun directly into a transport tube containing coagulation medium in a horizontal direction and wherein the flow velocity of the coagulation medium in the …
Figure 6 schematically represents a process for manufacturing graphene ribbon fibers according to an embodiment wherein the accrued fibers are spun into a liquid curtain of coagulation medium.
Figure 7 schematically represents a spinneret suitable to spin graphene ribbon fibers into a coagulation medium. Detailed description of embodiments Current state-of-the-a rt high-performance fibers are composed predominantly of carbon, for example KEVLAR, TWARON, ZYLON, or solely of carbon, for …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A process for spinning graphene ribbons into fibers comprising the steps o f: supplying a spin-dope comprising graphene ribbons to a spinneret, spinning the spin-dope into accrued graphene ribbon fibers, coagulating the accrued graphene ribbon fibers in a coagulation medium to form coagulated graphene ribbon fibers, mechanically stripping, optionally neutralizing and washing the coagulated graphene ribbon fibers, and winding the coagulated graphene ribbon fibers.
The process for spinning graphene ribbon fibers according to claim 1, wherein the spin-dope is formed by dissolving the graphene ribbons in a solvent.
The process for spinning graphene ribbon fibers according to claim 1, wherein the coagulation medium flows in a same direction as the accrued graphene ribbon fibers.
The process for spinning graphene ribbon fibers according to claim 1, wherein the coagulation medium is sulphuric acid having a concentration in the range of 70 % to 96 %.
The process for spinning graphene ribbon fibers according to claim 1, wherein a temperature of a coagulation bath is in the range of 0 0 C to 10C. -5- Application No. 13/636,063
Materials described outside the worked examples.
graphene ribbons
coagulation medium (anti-solvent)
Additional fabrication and treatment steps described in the patent.
Patent
Atlas literature
Patent
US 8,999,212Patent drawings and their descriptions. Click a drawing to enlarge it.
Figure 1 schematically represents an embodiment of a process for manufacturing graphene ribbon fibers according to an embodiment including a transport tube consisting of a vertical and a horizontal part.
Figure 2 schematically represents an alternative embodiment of a process for manufacturing graphene ribbon fibers according to an embodiment including a transport tube wherein a part of the transport tube is movable to alter the height of the outlet of the transport tube to adjust the level of …
Figure 3 schematically represents a process for manufacturing graphene ribbon fibers according to an embodiment wherein the coagulated fibers leave the coagulation bath downwards through a vertical tube.
Figure 4 schematically represents a process for manufacturing graphene ribbon fibers according to an embodiment wherein the accrued fibers are spun directly into a transport tube containing coagulation medium in a vertically upward direction.
Figure 5 schematically represents a process for manufacturing graphene ribbon fibers according to an embodiment wherein the accrued fibers are spun directly into a transport tube containing coagulation medium in a horizontal direction and wherein the flow velocity of the coagulation medium in the …
Figure 6 schematically represents a process for manufacturing graphene ribbon fibers according to an embodiment wherein the accrued fibers are spun into a liquid curtain of coagulation medium.
Figure 7 schematically represents a spinneret suitable to spin graphene ribbon fibers into a coagulation medium. Detailed description of embodiments Current state-of-the-a rt high-performance fibers are composed predominantly of carbon, for example KEVLAR, TWARON, ZYLON, or solely of carbon, for …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A process for spinning graphene ribbons into fibers comprising the steps o f: supplying a spin-dope comprising graphene ribbons to a spinneret, spinning the spin-dope into accrued graphene ribbon fibers, coagulating the accrued graphene ribbon fibers in a coagulation medium to form coagulated graphene ribbon fibers, mechanically stripping, optionally neutralizing and washing the coagulated graphene ribbon fibers, and winding the coagulated graphene ribbon fibers.
The process for spinning graphene ribbon fibers according to claim 1, wherein the spin-dope is formed by dissolving the graphene ribbons in a solvent.
The process for spinning graphene ribbon fibers according to claim 1, wherein the coagulation medium flows in a same direction as the accrued graphene ribbon fibers.
The process for spinning graphene ribbon fibers according to claim 1, wherein the coagulation medium is sulphuric acid having a concentration in the range of 70 % to 96 %.
The process for spinning graphene ribbon fibers according to claim 1, wherein a temperature of a coagulation bath is in the range of 0 0 C to 10C. -5- Application No. 13/636,063
Materials described outside the worked examples.
graphene ribbons
coagulation medium (anti-solvent)
Additional fabrication and treatment steps described in the patent.
Patent
Atlas literature
Patent
US 8,999,212Patent drawings and their descriptions. Click a drawing to enlarge it.
Figure 1 schematically represents an embodiment of a process for manufacturing graphene ribbon fibers according to an embodiment including a transport tube consisting of a vertical and a horizontal part.
Figure 2 schematically represents an alternative embodiment of a process for manufacturing graphene ribbon fibers according to an embodiment including a transport tube wherein a part of the transport tube is movable to alter the height of the outlet of the transport tube to adjust the level of …
Figure 3 schematically represents a process for manufacturing graphene ribbon fibers according to an embodiment wherein the coagulated fibers leave the coagulation bath downwards through a vertical tube.
Figure 4 schematically represents a process for manufacturing graphene ribbon fibers according to an embodiment wherein the accrued fibers are spun directly into a transport tube containing coagulation medium in a vertically upward direction.
Figure 5 schematically represents a process for manufacturing graphene ribbon fibers according to an embodiment wherein the accrued fibers are spun directly into a transport tube containing coagulation medium in a horizontal direction and wherein the flow velocity of the coagulation medium in the …
Figure 6 schematically represents a process for manufacturing graphene ribbon fibers according to an embodiment wherein the accrued fibers are spun into a liquid curtain of coagulation medium.
Figure 7 schematically represents a spinneret suitable to spin graphene ribbon fibers into a coagulation medium. Detailed description of embodiments Current state-of-the-a rt high-performance fibers are composed predominantly of carbon, for example KEVLAR, TWARON, ZYLON, or solely of carbon, for …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A process for spinning graphene ribbons into fibers comprising the steps o f: supplying a spin-dope comprising graphene ribbons to a spinneret, spinning the spin-dope into accrued graphene ribbon fibers, coagulating the accrued graphene ribbon fibers in a coagulation medium to form coagulated graphene ribbon fibers, mechanically stripping, optionally neutralizing and washing the coagulated graphene ribbon fibers, and winding the coagulated graphene ribbon fibers.
The process for spinning graphene ribbon fibers according to claim 1, wherein the spin-dope is formed by dissolving the graphene ribbons in a solvent.
The process for spinning graphene ribbon fibers according to claim 1, wherein the coagulation medium flows in a same direction as the accrued graphene ribbon fibers.
The process for spinning graphene ribbon fibers according to claim 1, wherein the coagulation medium is sulphuric acid having a concentration in the range of 70 % to 96 %.
The process for spinning graphene ribbon fibers according to claim 1, wherein a temperature of a coagulation bath is in the range of 0 0 C to 10C. -5- Application No. 13/636,063
Materials described outside the worked examples.
graphene ribbons
coagulation medium (anti-solvent)
Additional fabrication and treatment steps described in the patent.
Patent
Atlas literature
Patent
US 8,999,212Patent drawings and their descriptions. Click a drawing to enlarge it.
Figure 1 schematically represents an embodiment of a process for manufacturing graphene ribbon fibers according to an embodiment including a transport tube consisting of a vertical and a horizontal part.
Figure 2 schematically represents an alternative embodiment of a process for manufacturing graphene ribbon fibers according to an embodiment including a transport tube wherein a part of the transport tube is movable to alter the height of the outlet of the transport tube to adjust the level of …
Figure 3 schematically represents a process for manufacturing graphene ribbon fibers according to an embodiment wherein the coagulated fibers leave the coagulation bath downwards through a vertical tube.
Figure 4 schematically represents a process for manufacturing graphene ribbon fibers according to an embodiment wherein the accrued fibers are spun directly into a transport tube containing coagulation medium in a vertically upward direction.
Figure 5 schematically represents a process for manufacturing graphene ribbon fibers according to an embodiment wherein the accrued fibers are spun directly into a transport tube containing coagulation medium in a horizontal direction and wherein the flow velocity of the coagulation medium in the …
Figure 6 schematically represents a process for manufacturing graphene ribbon fibers according to an embodiment wherein the accrued fibers are spun into a liquid curtain of coagulation medium.
Figure 7 schematically represents a spinneret suitable to spin graphene ribbon fibers into a coagulation medium. Detailed description of embodiments Current state-of-the-a rt high-performance fibers are composed predominantly of carbon, for example KEVLAR, TWARON, ZYLON, or solely of carbon, for …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A process for spinning graphene ribbons into fibers comprising the steps o f: supplying a spin-dope comprising graphene ribbons to a spinneret, spinning the spin-dope into accrued graphene ribbon fibers, coagulating the accrued graphene ribbon fibers in a coagulation medium to form coagulated graphene ribbon fibers, mechanically stripping, optionally neutralizing and washing the coagulated graphene ribbon fibers, and winding the coagulated graphene ribbon fibers.
The process for spinning graphene ribbon fibers according to claim 1, wherein the spin-dope is formed by dissolving the graphene ribbons in a solvent.
The process for spinning graphene ribbon fibers according to claim 1, wherein the coagulation medium flows in a same direction as the accrued graphene ribbon fibers.
The process for spinning graphene ribbon fibers according to claim 1, wherein the coagulation medium is sulphuric acid having a concentration in the range of 70 % to 96 %.
The process for spinning graphene ribbon fibers according to claim 1, wherein a temperature of a coagulation bath is in the range of 0 0 C to 10C. -5- Application No. 13/636,063
Materials described outside the worked examples.
graphene ribbons
coagulation medium (anti-solvent)
Additional fabrication and treatment steps described in the patent.
solvent (super acid)
sulphuric acid
H₂SO₄
carbon nanotubes
solvent (super acid)
sulphuric acid
H₂SO₄
carbon nanotubes
solvent (super acid)
sulphuric acid
H₂SO₄
carbon nanotubes
solvent (super acid)
sulphuric acid
H₂SO₄
carbon nanotubes