Abstract

Rotational rheometer was employed to determine rheological properties of sodium alginate solutions of 3, 5 and 10wt.% concentrations. The results showed that temperature had a strong effect on the morphology of sodium alginate in aqueous solutions. To observe the anisotropic phase formation, Polarized optical microscopy (POM) experiments were performed. It revealed the presence of briefringence in 3, 5 and 10wt.% sodium alginate solutions.

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