Thermomechanical properties and morphology of polyethylene oxide and phenolic resole blends

Debdatta Ratna, J. Karger-Kocsis

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Blends of poly(ethylene oxide) (PEO) and resole type phenolic resin were prepared by a solution cast method using water as a solvent. The cured blends were made by heat curing without using any catalyst. The blends were characterized by dynamic mechanical analysis (DMA), which indicated that PEO forms compatible blend with the resole. The glass transition values, read from the DMA traces, showed a positive shift as compared to the theoretical values calculated by the Fox equation. This suggests a strong H-bonding interaction between the phenolic resole and PEO as established by Fourier transformed infrared spectroscopy. Flexural test indicated an enhanced flexibility of the blends when compared to the neat phenolic resin. The fracture surface analysis by using a scanning electron microscope (SEM) revealed an increase in plastic deformation with increasing PEO concentration in the blend.

Original languageEnglish
Pages (from-to)4039-4043
Number of pages5
JournalJournal of Applied Polymer Science
Volume127
Issue number5
DOIs
Publication statusPublished - Mar 5 2013

Fingerprint

Polyethylene oxides
Phenolic resins
Dynamic mechanical analysis
Surface analysis
Curing
Glass transition
Infrared spectroscopy
Plastic deformation
Electron microscopes
Scanning
Catalysts
Water
phenol-formaldehyde resin

Keywords

  • blends
  • dynamic mechanical analysis
  • poly(ethylene oxide)
  • resole

ASJC Scopus subject areas

  • Materials Chemistry
  • Polymers and Plastics
  • Surfaces, Coatings and Films
  • Chemistry(all)

Cite this

Thermomechanical properties and morphology of polyethylene oxide and phenolic resole blends. / Ratna, Debdatta; Karger-Kocsis, J.

In: Journal of Applied Polymer Science, Vol. 127, No. 5, 05.03.2013, p. 4039-4043.

Research output: Contribution to journalArticle

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