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Nanotomography of Polymer Nanocomposite Nanofibers

  • Sudheer Bandla
  • Robert P. Winarski
  • Jay C. Hanan
Conference paper
Part of the Conference Proceedings of the Society for Experimental Mechanics Series book series (CPSEMS)

Abstract

Nanotechnology and nanomaterials were not understood until they could be observed. In fact, many nanomaterials were in use long before their nano-features were seen. As we begin to understand mechanics at the nano-scale, we can design new materials with tailored performance. Polymer nanocomposites are a good example. Characterizing nanoscale interactions at the interface of fillers helps in understanding the unusually high scaling of mechanical performance with increased nano-phase fraction. X-Ray Tomography is a non-destructive technique which images material phases based on their density. Polyethylene Terephthalate (PET)-graphene nanocomposites were prepared using Forcespinning and injection molding. These nanocomposites were imaged with several techniques. Nanocomposites prepared using Forcespinning gave fibers with an average diameter of 400 nm, with reinforcement sizes ranging from a few nanometers to micrometers. Hard X-ray phase contrast synchrotron nanotomography was employed for imaging the nanofiber, features as small as 15 nm were visible. The influence of processing technique on nanoplatelet dispersion was observed as well as implications to mechanical properties of the nanocomposite.

Keywords

Tomography PET Nanofibers Synchrotron 

Notes

Acknowledgements

Use of the Advanced Photon Source and Center for Nanoscale Materials was supported by the U. S. Department of Energy, Office of Science, Office of Basic Energy Sciences, under Contract No. DE-AC02-06CH11357. The authors would like to acknowledge FibeRio Technology Inc, for providing the nanofiber sample and Dr. Mourad Benamara, Electron Optics and Analytical Facility, University of Arkansas for assistance with HRTEM imaging. We want to express thanks to Masoud Allahkarami for his time and assistance with the microscopy imaging. This work was also partially supported through donations to the OSU-Foundation for research and the Helmerich Research Center.

References

  1. 1.
    Hongu T, Phillips GO, Takigami M (2005) New millennium fibers. Taylor & Francis, FlorenceCrossRefGoogle Scholar
  2. 2.
    Huang Z-M, Zhang YZ, Kotaki M, Ramakrishna S (2003) A review on polymer nanofibers by electrospinning and their applications in nanocomposites. Compos Sci Technol 63:2223–2253CrossRefGoogle Scholar
  3. 3.
    Sarkar K, Gomez C, Zambrano S, Ramirez M, de Hoyos E, Vasquez H, Lozano K (2010) Electrospinning to Forcespinning™. Mater Today 13:12–14CrossRefGoogle Scholar
  4. 4.
    Andrady AL (2008) Science and technology of polymer nanofibers. Wiley, HobokenCrossRefGoogle Scholar
  5. 5.
    Zhang Y, Venugopal JR, El-Turki A, Ramakrishna S, Su B, Lim CT (2008) Electrospun biomimetic nanocomposite nanofibers of hydroxyapatite/chitosan for bone tissue engineering. Biomaterials 29:4314–4322CrossRefGoogle Scholar
  6. 6.
    Drummy LF, Wang YC, Schoenmakers R, May K, Jackson M, Koerner H, Farmer BL, Mauryama B, Vaia RA (2008) Morphology of layered silicate−(NanoClay−) polymer nanocomposites by electron tomography and small-angle x-ray scattering. Macromolecules 41:2135–2143CrossRefGoogle Scholar
  7. 7.
    Bleuet P, Cloetens P, Gergaud P, Mariolle D, Chevalier N, Tucoulou R, Susini J, Chabli A (2009) A hard x-ray nanoprobe for scanning and projection nanotomography. Rev Sci Instrum 80:056101CrossRefGoogle Scholar
  8. 8.
    Ice GE, Budai JD, Pang JWL (2011) The race to x-ray microbeam and nanobeam science. Science 334:1234–1239CrossRefGoogle Scholar
  9. 9.
    Provis JL, Rose V, Winarski RP, van Deventer JSJ (2011) Hard x-ray nanotomography of amorphous aluminosilicate cements. Scripta Mater 65:316–319CrossRefGoogle Scholar
  10. 10.
    Long TE (2003) Modern polyesters: chemistry and technology of polyesters and copolyesters. Wiley, HobokenGoogle Scholar
  11. 11.
    Veleirinho B, Lopes-da-Silva JA (2009) Application of electrospun poly(ethylene terephthalate) nanofiber mat to apple juice clarification. Process Biochem 44:353–356CrossRefGoogle Scholar
  12. 12.
    Ma Z, Kotaki M, Yong T, He W, Ramakrishna S (2005) Surface engineering of electrospun polyethylene terephthalate (PET) nanofibers towards development of a new material for blood vessel engineering. Biomaterials 26:2527–2536CrossRefGoogle Scholar
  13. 13.
    Meng X, Luo N, Cao S, Zhang S, Yang M, Hu X (2009) In-situ growth of titania nanoparticles in electrospun polymer nanofibers at low temperature. Mater Lett 63:1401–1403CrossRefGoogle Scholar
  14. 14.
    Bandla S, Hanan J (2012) Microstructure and elastic tensile behavior of polyethylene terephthalate-exfoliated graphene nanocomposites. J Mater Sci 47:876–882CrossRefGoogle Scholar
  15. 15.
    Shu D, Maser J, Holt M, Winarski R, Preissner C, Smolyanitskiy A, Lai B, Vogt S, Stephenson GB (2007) Optomechanical design of a hard x-ray nanoprobe instrument with nanometer-scale active vibration control. AIP Conf Proc 879:1321–1324CrossRefGoogle Scholar
  16. 16.
    Zeng X, Duewer F, Feser M, Huang C, Lyon A, Tkachuk A, Yun W (2008) Ellipsoidal and parabolic glass capillaries as condensers for x-ray microscopes. Appl Opt 47:2376–2381CrossRefGoogle Scholar
  17. 17.
    Tkachuk A, Duewer F, Cui H, Feser M, Wang S, Yun W (2007) X-ray computed tomography in Zernike phase contrast mode at 8 keV with 50-nm resolution using Cu rotating anode x-ray source. Zeitschrift für Kristallographie 222:650–655CrossRefGoogle Scholar
  18. 18.
    Zernike F (1935) Das Phasenkontrastverfahren bei der mikroskopischen Beobachtung. Zeitschrift für technische Physik 36:848–851Google Scholar
  19. 19.
    Allahkarami M, Hanan JC, Bale HA (2010) Regeneration of surface roughness by the Langevin equation using stochastic analysis on AFM image of a carbon fiber. Appl Surf Sci 257:857–860CrossRefGoogle Scholar
  20. 20.
    Withers PJ (2007) X-ray nanotomography. Mater Today 10:26–34CrossRefGoogle Scholar

Copyright information

© The Society for Experimental Mechanics, Inc. 2013

Authors and Affiliations

  • Sudheer Bandla
    • 1
  • Robert P. Winarski
    • 2
  • Jay C. Hanan
    • 1
  1. 1.Mechanical and Aerospace EngineeringOklahoma State UniversityTulsaUSA
  2. 2.Center for Nanoscale MaterialsArgonne National LaboratoryArgonneUSA

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