Polymer interphase self-reinforcement and strengthening mechanisms in low-loaded nanocomposite fibers

Kenan Song, Yiying Zhang, Marilyn L. Minus

Research output: Contribution to journalArticlepeer-review

33 Scopus citations


The effect of filler concentration on understanding structure-property relationships in polymer composites with low nanocarbon (nC) loadings (<1 wt%) is investigated. The presence of the carbon nanochips (CNC) filler induces the formation of highly ordered self-reinforcing interphase regions within the composite fibers. The influence of these regions on the structure and properties of the fibers is analyzed by both theoretical and experimental methods. Analysis of the filled polyvinyl alcohol (PVA) fibers demonstrates that the presence of the nC influences the organization and formation of crystalline and amorphous polymer lamellae stacking in the fibers, leading to variations in grain structure for the composites. These structural developments contribute specifically to the property increases (i.e., elastic modulus increased by 222% and tensile strength increased by 186%) for the PVA/CNC composites in comparison to control PVA fibers.

Original languageEnglish (US)
Pages (from-to)1313-1320
Number of pages8
JournalMacromolecular Chemistry and Physics
Issue number12
StatePublished - Jun 1 2015
Externally publishedYes


  • fibers
  • interphase
  • mechanical properties
  • nanocomposite
  • polyvinyl alcohol

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Polymers and Plastics
  • Organic Chemistry
  • Materials Chemistry


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