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CNT Enhanced Polymers

CNT Enhanced Polymers. James Mejia MEEN 3344. What is a Carbon Nanotube?. It is a hollow, cylindrical carbon molecule About a nanometer in diameter Are grown as Multi-walled, Single-walled, Double-walled and Fibers. How is it used?. CNT must first be functionalized to be used a fillers

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CNT Enhanced Polymers

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  1. CNT Enhanced Polymers James Mejia MEEN 3344

  2. What is a Carbon Nanotube? • It is a hollow, cylindrical carbon molecule • About a nanometer in diameter • Are grown as Multi-walled, Single-walled, Double-walled and Fibers

  3. How is it used? • CNT must first be functionalized to be used a fillers • This can done through chemical exfoliation and dispersion (ex: Zyvex’s Kentera ),also sonication • It is then dispersed into the host polymer, such as Polyurethane, Teflon, paint, etc. Untreated multi-wall nanotubes vs. Zyvex functionalized nanotubes

  4. “Bridge” Additive

  5. Very high tensile strength High thermal conductivity High aspect ratio: lower wt% loading needed for enhancement Improved elasticity High electrical conductivity Enhancement Properties

  6. Mechanical Properties

  7. Polyurethane Teflon Silicones Epoxies Polyesters Nylon PVC PMMA Acrylates Sporting Goods Automotive Aerospace Military Body Armor Electronics Semi-Conductors Biomedical Paint Host Polymers and Applications

  8. References • www.zyvex.com • www.nano-lab.com/imagegallery.html • www.nanotechweb.org/articles/news/4/2/2/1 • www.nanovip.com/forums • www.4spe.org/htmlemail/techfocus/supportingdocs/0412newtechfocus.pdf • www.eastonsports.com • Yeh, Meng-Kao, Nyan-Hwa Tai, Jia-Hau Liu. “Mechanical Behavior of phenolic-based composites reinforced with mutli-walled carbon nanotubes.” www.sciencedirect.com carbon 44(2006): 1-9.

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