γ-Form transcrystals of poly(propylene) induced by individual carbon nanotubes

Shanju Zhang, Wei Lin, Lingbo Zhu, Ching-Ping Wong, David G. Bucknall*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)

Abstract

CNT-induced formation of transcrystals of γ-PP are reported. Formation of these transcrystals occurred when PP was infiltrated into nanotube aerogel fibers to form polymer nanocomposites. The PP morphology and microstructure with particular focus on the interfacial region of the CNTs were investigated by means of SEM, DSC and WAXD. The transcrystalline supramolecular microstructures were observed around the individual nanotubes during quiescent melting crystallization. Microstructural analysis showed that g-form transcrystals of PP dominate the overall interfacial structure. The content of g-form transcrystals increased with increase in nanotube loading. The mechanical properties and electrical conductivities of the nanocomposites have been evaluated. © 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Original languageEnglish
Pages (from-to)1348-1354
Number of pages7
JournalMacromolecular Chemistry and Physics
Volume211
Issue number12
Early online date13 Apr 2010
DOIs
Publication statusPublished - 15 Jun 2010

Keywords

  • carbon nanotubes
  • crystallization
  • nanocomposites
  • polymorphism
  • transcrystals
  • ISOTACTIC POLYPROPYLENE
  • MACROSCOPIC FIBERS
  • POLYMER COMPOSITES
  • CRYSTALLIZATION
  • NANOCOMPOSITES
  • BEHAVIOR
  • PHASE
  • ORIENTATION
  • NUCLEATION
  • MORPHOLOGY

ASJC Scopus subject areas

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

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