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CONTINUOUS PROCESS FOR THE PRODUCTION OF CARBON NANOTUBE REINFORCED CONTINUOUS FIBER PREFORMS AND COMPOSITES MADE THEREFROM
CONTINUOUS PROCESS FOR THE PRODUCTION OF CARBON NANOTUBE REINFORCED CONTINUOUS FIBER PREFORMS AND COMPOSITES MADE THEREFROM
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机译:连续生产碳纳米管增强的连续纤维预成型坯和由其制成的复合材料的过程
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摘要
This invention provides a continuous process for the growth of vapor grown carbon nanotubes (VGCNT) reinforced continuous fiber preforms for the manufacture of articles with useful mechanical, electrical, and thermal characteristics. Continuous fiber preforms are treated with a catalyst or catalyst precursor and processed to yield VGCNT produced in situ resulting in a highly entangled mass of VGCNT infused with the continuous fiber preform. The continuous process disclosed herein provides denser and more uniform carbon nanotubes and provides the opportunity to fine-tune the variables both within an individual preform and between different preforms depending on the characteristics of the carbon nanotubes desired. The resulting continuous fiber preforms are essentially endless and are high in volume fraction of VGCNT and exhibit high surface area useful for many applications. The invention also provides for composites made from the preforms.
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