Viscometric and morphological properties of novel magnesium electrolyte-polyacrylamide composite polymers in aqueous solution

Khai Ern Lee, Imran Khan, Norhashimah Morad, Tjoon Tow Teng, Beng Teik Poh

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The viscometric properties of novel magnesium electrolyte-polyacrylamide composite polymers in aqueous solutions were investigated using response surface methodology. Independent factors such as concentration of the magnesium electrolyte (magnesium chloride and magnesium hydroxide), concentration of polyacrylamide, and the solution temperature were taken into account for viscometric modeling. Experiments were carried out according to central composite design, which includes factorial, central and axial points of the factors. Solution viscosity was taken as the response variable. A polynomial model for the viscometric properties was developed using ANOVA and non-linear regression analysis, and the R2 values are 0.9995 and 0.9996 for aqueous solutions of magnesium chloride-polyacrylamide (MCPAM) and magnesium hydroxide-polyacrylamide (MHPAM) composite polymers, respectively. Two diagnostic plots have been constructed to validate the developed models for the natural logarithm of viscosity of aqueous solutions of the MCPAM and MHPAM composite polymers. The least-squares values show that the developed models are adequate for predictive purposes. TEM was used to investigate the morphological properties of MCPAM and MHPAM composite polymers. Magnesium chloride was impregnated into the polyacrylamide chain while magnesium hydroxide was just adsorbed on the surface of the polyacrylamide chain.

Original languageEnglish
Pages (from-to)27-43
Number of pages17
JournalJournal of Solution Chemistry
Volume42
Issue number1
DOIs
Publication statusPublished - Jan 2013

Fingerprint

magnesium chlorides
Magnesium
Electrolytes
magnesium
Polymers
Magnesium Hydroxide
electrolytes
aqueous solutions
hydroxides
Magnesium Chloride
composite materials
Composite materials
polymers
viscosity
Viscosity
polyacrylamide
logarithms
regression analysis
polynomials
plots

Keywords

  • Composite polymer
  • Magnesium chloride
  • Magnesium hydroxide
  • Morphology
  • Polyacrylamide
  • Viscosity

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Biochemistry
  • Biophysics
  • Molecular Biology

Cite this

Viscometric and morphological properties of novel magnesium electrolyte-polyacrylamide composite polymers in aqueous solution. / Lee, Khai Ern; Khan, Imran; Morad, Norhashimah; Teng, Tjoon Tow; Poh, Beng Teik.

In: Journal of Solution Chemistry, Vol. 42, No. 1, 01.2013, p. 27-43.

Research output: Contribution to journalArticle

Lee, Khai Ern ; Khan, Imran ; Morad, Norhashimah ; Teng, Tjoon Tow ; Poh, Beng Teik. / Viscometric and morphological properties of novel magnesium electrolyte-polyacrylamide composite polymers in aqueous solution. In: Journal of Solution Chemistry. 2013 ; Vol. 42, No. 1. pp. 27-43.
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