Marginal miscibility and solvent-dependent phase behavior in solution-blended poly(vinyl methyl ether)/poly(benzyl methacrylate)

Tarum K. Mandal, Eamor Woo

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)

Abstract

Poly(vinyl methyl ether) (PVME) and poly(benzyl methacrylate) (PBzMA) were found to be miscible using differential scanning calorimetry (DSC), optical microscopy (OM), and infrared spectroscopy (FT-IR). Solvents and casting temperatures strongly affect the kinetics of the formation of blends and lead to different phase structures of the blends. The thermal transition behavior of the PVME/PBzMA blend suggests a marginal miscibility. Various scales of molecular aggregation might exist in the blends. According to FT-IR the intermolecular interactions are weak and not specific, which is in agreement with the glass transition behavior of the blends. Additionally, this study also shows that PVME is immiscible with any other polymethacrylate, such as poly(methyl methacrylate), poly(ethyl methacrylate), poly(propyl methacrylate), poly-(phenyl methacrylate), poly(cyclohexyl methacrylate), etc.

Original languageEnglish
Pages (from-to)1143-1149
Number of pages7
JournalMacromolecular Chemistry and Physics
Volume200
Issue number5
DOIs
Publication statusPublished - 1999 Jan 1

All Science Journal Classification (ASJC) codes

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

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