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Free volume of montmorillonite/styrene-butadiene rubber nanocomposites estimated by positron annihilation lifetime spectroscopy

  • Yi Qing Wang
  • , You Ping Wu
  • , Hui Feng Zhang
  • , Li Qun Zhang
  • , Bo Wang
  • , Zhi Feng Wang

Research output: Contribution to journalArticlepeer-review

69 Scopus citations

Abstract

The size and concentration of free-volume holes of two kinds of montmorillonite (MMT)/styrene-butadiene rubber (SBR) nanocomposites were investigated by positron annihilation lifetime spectroscopy (PALS). Strong interfacial interaction caused an apparent reduction of the free-volume fraction of rubber probably by depressing the formation of free-volume holes in the interfacial region. Interfacial interaction in MMT/SBR nanocomposites was weaker than that in SBR filled with carbon black.

Original languageEnglish
Pages (from-to)1973-1978
Number of pages6
JournalMacromolecular Rapid Communications
Volume25
Issue number23
DOIs
StatePublished - 12 Dec 2004
Externally publishedYes

Keywords

  • Carbon black
  • Montmorillonite
  • Nanocomposites
  • Positron annihilation
  • Styrene-butadiene rubber

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