Solvent reorientation in block copolymer solutions

A. K. Rizos*, K. L. Ngai, S. Pispas, N. Hadjichristidis

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


The effect of added polymer on the relaxational characteristics of the chlorinated biphenyl solvent also known as Aroclor (A1248) has been studied by photon correlation spectroscopy in the depolarized mode and by dielectric spectroscopy. Modifications of the solvent reorientation dynamics in solutions containing polyisoprene (PI), polystyrene (PS), 1,2-polybutadiene (1,2-PB) and 1,4-polybutadiene (1,4-PB) have been established previously. The experiments have been extended to solutions of Aroclor with poly(styrene-b-1,4-isoprene) block copolymers. The measurements of the reorientational dynamics of Aroclor show an intermediate behavior between that observed in PS/Aroclor and PI/Aroclor systems.

Original languageEnglish (US)
Pages (from-to)786-789
Number of pages4
JournalJournal of Non-Crystalline Solids
Issue numberPART 2
StatePublished - Sep 1 1994
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Condensed Matter Physics
  • Materials Chemistry


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