Utilization of an ionic liquid/urea mixture as a physical coupling agent for agarose/talc composite films

Ahmad Adlie Shamsuri, Rusli Daik

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

An ionic liquid, 1-n-butyl-3-methylimidazolium chloride (BmimCl) was blended with urea at 1:1 mole ratio to create a BmimCl/Urea mixture. The agarose/talc composite films containing the BmimCl/Urea mixture were then acquired through a gelation method. The weight ratio of agarose and talc was fixed at 4:1, while the content of BmimCl/Urea was varied from 0 to 10 wt % relative to the overall weight of the composite films. The tensile stress and modulus results showed the optimum BmimCl/Urea content in the composite film lies at 8 wt %. The talc particles are embedded in the agarose matrix and there are no pullouts for the composite films containing BmimCl/Urea as demonstrated by SEM micrographs. The addition of BmimCl/Urea increased the glass transition temperature of the composite films, however, the thermal decomposition temperature decreased drastically. FTIR and FT-Raman spectra indicated the existence of interaction between agarose and talc, which improves their interfacial adhesion. As a conclusion, a BmimCl/Urea mixture can be utilized as a coupling agent for agarose/talc composite films.

Original languageEnglish
Pages (from-to)682-698
Number of pages17
JournalMaterials
Volume6
Issue number2
DOIs
Publication statusPublished - 2013

Fingerprint

Talc
Ionic Liquids
Coupling agents
Composite films
Ionic liquids
Urea
Sepharose
Chlorides
Gelation
Tensile stress
Raman scattering
Pyrolysis
Adhesion
Elastic moduli
Scanning electron microscopy

Keywords

  • 1-n-butyl-3-methylimidazolium chloride (BmimCl)
  • Hydrophobic mineral
  • Interfacial adhesion
  • Polysaccharide
  • Secondary bonding

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

Utilization of an ionic liquid/urea mixture as a physical coupling agent for agarose/talc composite films. / Shamsuri, Ahmad Adlie; Daik, Rusli.

In: Materials, Vol. 6, No. 2, 2013, p. 682-698.

Research output: Contribution to journalArticle

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