IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0019248
(2011-02-01)
|
등록번호 |
US-8999453
(2015-04-07)
|
발명자
/ 주소 |
- Shah, Tushar K.
- Malecki, Harry C.
- Malet, Brandon K.
- Hoskins, Robert D.
- Patel, Jigar M.
|
출원인 / 주소 |
- Applied NanoStructured Solutions, LLC
|
대리인 / 주소 |
McDermott, Will & Emery LLP
|
인용정보 |
피인용 횟수 :
2 인용 특허 :
170 |
초록
▼
Carbon nanotube-infused fiber materials containing substantially parallel-aligned, infused carbon nanotubes are described herein. The carbon nanotube-infused fiber materials contain a fiber material and a layer of carbon nanotubes infused to the fiber material, where the infused carbon nanotubes are
Carbon nanotube-infused fiber materials containing substantially parallel-aligned, infused carbon nanotubes are described herein. The carbon nanotube-infused fiber materials contain a fiber material and a layer of carbon nanotubes infused to the fiber material, where the infused carbon nanotubes are aligned substantially parallel to the longitudinal axis of the fiber material and at least a portion of the substantially parallel-aligned, infused carbon nanotubes are crosslinked to each other, to the fiber material, or both. Crosslinking can occur through covalent bonding or pi-stacking interactions, for example. The carbon nanotube-infused fiber materials can further contain additional carbon nanotubes that are grown on the layer of substantially parallel-aligned, infused carbon nanotubes. Composite materials containing the carbon nanotube-infused fiber materials and methods for production of the carbon nanotube-infused fiber materials are also described herein.
대표청구항
▼
1. A method comprising: providing a carbon nanotube-infused fiber material comprising a fiber material and carbon nanotubes infused to the fiber material, the carbon nanotubes being aligned substantially perpendicular to the outer surface of the fiber material, and the carbon nanotubes being grown o
1. A method comprising: providing a carbon nanotube-infused fiber material comprising a fiber material and carbon nanotubes infused to the fiber material, the carbon nanotubes being aligned substantially perpendicular to the outer surface of the fiber material, and the carbon nanotubes being grown on the fiber material and infused to the outer surface;crosslinking at least a portion of the substantially perpendicular-aligned, infused carbon nanotubes to each other, to the fiber material, or to both; andafter crosslinking, drawing the carbon nanotube-infused fiber material from a liquid to reorient at least some of the carbon nanotubes into a substantially parallel orientation with respect to the longitudinal axis of the fiber material and to form a layer of crosslinked, infused carbon nanotubes on the outer surface of the fiber material. 2. The method of claim 1, wherein crosslinking comprises covalent bonding. 3. The method of claim 1, wherein crosslinking comprises pi-stacking interactions. 4. The method of claim 3, wherein a crosslinking polymer forms the pi-stacking interactions with the substantially perpendicular-aligned, infused carbon nanotubes. 5. The method of claim 4, further comprising: placing the carbon nanotube-infused fiber material in a matrix material. 6. The method of claim 1, further comprising: after drawing the carbon nanotube-infused fiber material from a liquid, reorienting at least a portion of the carbon nanotubes into a substantially parallel orientation by a mechanical process. 7. The method of claim 6, wherein the mechanical process comprises passing the carbon nanotube-infused fiber material through a die. 8. The method of claim 1, further comprising: depositing catalytic nanoparticles on the layer of substantially parallel-aligned, infused carbon nanotubes;growing additional carbon nanotubes on the layer of substantially parallel-aligned, infused carbon nanotubes; andorienting the additional carbon nanotubes such that they are aligned substantially parallel to the longitudinal axis of the fiber material. 9. The method of claim 8, further comprising: crosslinking at least a portion of the additional carbon nanotubes to at least a portion of the substantially parallel-aligned, infused carbon nanotubes, to each other, or to both. 10. The method of claim 9, further comprising: placing the carbon nanotube-infused fiber material in a matrix material. 11. The method of claim 1, wherein the fiber material is of a continuous length. 12. A method comprising: providing a carbon nanotube-infused fiber material comprising a fiber material and carbon nanotubes infused to the fiber material, the carbon nanotubes being aligned substantially perpendicular to the outer surface of the fiber material, and the carbon nanotubes being grown on the fiber material and infused to the outer surface;adding a crosslinking polymer to the carbon nanotube-infused fiber material to form crosslinked, substantially perpendicular-aligned, infused carbon nanotubes; wherein the crosslinking polymer forms pi-stacking interactions with the crosslinked, substantially perpendicular-aligned, infused carbon nanotubes; andreorienting at least a portion of the crosslinked, substantially perpendicular-aligned, infused carbon nanotubes into a substantially parallel orientation with respect to the longitudinal axis of the fiber material by drawing the carbon nanotube-infused fiber material from a liquid to form a layer of crosslinked, infused carbon nanotubes on the outer surface of the fiber material. 13. The method of claim 12, further comprising: after drawing the carbon nanotube-infused fiber material from a liquid, reorienting at least a portion of the carbon nanotubes into a substantially parallel orientation by a mechanical process. 14. The method of claim 13, wherein the mechanical process comprises passing the carbon nanotube-infused fiber material through a die. 15. The method of claim 12, further comprising: depositing catalytic nanoparticles on the layer of crosslinked, substantially parallel-aligned, infused carbon nanotubes;growing additional carbon nanotubes on the layer of crosslinked, substantially parallel-aligned, infused carbon nanotubes; andorienting the additional carbon nanotubes such that they are aligned substantially parallel to the longitudinal axis of the fiber material. 16. The method of claim 15, further comprising: crosslinking at least a portion of the additional carbon nanotubes to at least a portion of the crosslinked, substantially parallel-aligned, infused carbon nanotubes, to each other, or to both. 17. A continuous carbon nanotube growth process, the process comprising: providing a continuous fiber material;growing carbon nanotubes on the outer surface of the continuous fiber material in a continuous carbon nanotube growth process; wherein the carbon nanotubes are infused to the fiber material on the outer surface to form a carbon nanotube-infused fiber material, and the carbon nanotubes are aligned substantially perpendicular to the outer surface of the fiber material;crosslinking at least a portion of the infused carbon nanotubes to each other, to the fiber material, or both; wherein crosslinking comprises treating the infused carbon nanotubes with a crosslinking polymer that forms pi-stacking interactions with the infused carbon nanotubes to form crosslinked, infused carbon nanotubes; andafter crosslinking, drawing the carbon nanotube-infused fiber material from a liquid to reorient at least some of the carbon nanotubes into a substantially parallel orientation with respect to the longitudinal axis of the fiber material and to form a layer of crosslinked, infused carbon nanotubes on the outer surface of the fiber material. 18. The continuous carbon nanotube growth process of claim 17, further comprising: depositing catalytic nanoparticles on the layer of crosslinked, substantially parallel-aligned, infused carbon nanotubes;growing additional carbon nanotubes on the layer of crosslinked, substantially parallel-aligned, infused carbon nanotubes; andorienting the additional carbon nanotubes such that they are aligned substantially parallel to the longitudinal axis of the fiber material. 19. The continuous carbon nanotube growth process of claim 18, further comprising: crosslinking at least a portion of the additional carbon nanotubes to at least a portion of the crosslinked, substantially parallel-aligned, infused carbon nanotubes, to each other, or to both.
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