Effect of isomer on polymer blends miscibility: A synchrotron small angle X-ray investigation

H. H. Shao*, M. Rabeony, K. S. Liang, E. Siakali-Kioufala, Nikolaos Hadjichristidis

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

We use synchrotron small angle X-ray scattering (SAXS), calorimetry and cloud point measurements to investigate the thermodynamic of mixing in blends of poly(cyclohexyl acrylate) with the ortho and meta isomer of poly(bromostyrene) [P2BrS, P3BrS]. PCHA is miscible with P2BrS and P3BrS with lower critical solution temperature (LCST). Measurements of the absolute scattered intensity enable determination of the Flory-Huggins χ-parameter within the framework of the de Gennes random phase approximation. The following order is observed: χ(PCHA/P2BrS)<χ(PCHA/P3BrS).

Original languageEnglish (US)
Pages (from-to)113-116
Number of pages4
JournalComposites Part A: Applied Science and Manufacturing
Volume30
Issue number2
DOIs
StatePublished - Jan 1 1999

ASJC Scopus subject areas

  • Ceramics and Composites
  • Mechanics of Materials

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