Synthesis and characterization of poly(methyl methacrylate)/SiO2 hybrid membrane

Muhammad Ali Zulfikar, A. Wahab Mohammad, Abdul Amir Kadhum, Nidal Hilal

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

Hybrid organic-inorganic membranes were fabricated using sol-gel technique using poly(methyl methacrylate) (PMMA) and tetraethyl orthosilicate (TEOS) with 80/20 (w/w) ratios with THF solvent. The thin films were then characterized using FTIR, SEM, EDX, DSC, TGA, water permeability and also its molecular weight cut-off. From the preliminary characterization, the hybrid membrane was found to have nano and ultra scale tight pore ranges. FT-IR spectroscopy uncovered all the signature peaks characteristic of silicate structures in the near-surface regions. Fingerprints of Si{single bond}O{single bond}Si groups in cyclic and linear molecular substructures are present. The SEM image clearly shows that hybrid membranes have homogenous and smooth surface. EDX analysis shows the composition of particles in the membrane. DSC analysis of the membrane shows interesting phenomenon regarding glass transition temperature (Tg). The hybrid membrane was found to have higher Tg than pure PMMA. From TGA analysis, the hybrid membranes were observed to have higher thermal stability than pure PMMA.

Original languageEnglish
Pages (from-to)422-426
Number of pages5
JournalMaterials Science and Engineering A
Volume452-453
DOIs
Publication statusPublished - 15 Apr 2007
Externally publishedYes

Fingerprint

Polymethyl Methacrylate
Polymethyl methacrylates
polymethyl methacrylate
membranes
Membranes
synthesis
Energy dispersive spectroscopy
tetraethyl orthosilicate
Silicates
Scanning electron microscopy
scanning electron microscopy
substructures
glass transition temperature
Sol-gels
Infrared spectroscopy
molecular weight
silicates
permeability
Thermodynamic stability
thermal stability

Keywords

  • Hybrid membrane
  • Inorganic-organic
  • PMMA
  • Sol-gel
  • TEOS

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

Synthesis and characterization of poly(methyl methacrylate)/SiO2 hybrid membrane. / Zulfikar, Muhammad Ali; Mohammad, A. Wahab; Kadhum, Abdul Amir; Hilal, Nidal.

In: Materials Science and Engineering A, Vol. 452-453, 15.04.2007, p. 422-426.

Research output: Contribution to journalArticle

Zulfikar, Muhammad Ali ; Mohammad, A. Wahab ; Kadhum, Abdul Amir ; Hilal, Nidal. / Synthesis and characterization of poly(methyl methacrylate)/SiO2 hybrid membrane. In: Materials Science and Engineering A. 2007 ; Vol. 452-453. pp. 422-426.
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