期刊
出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.phpro.2012.05.026
关键词
Konjac Glucomannan; Rheological behavior; Non-linear change tendencies; Concentration effect; Temperature effect
Konjac glucomannan (KGM) gum belongs to pseudoplastic fluid. Remarkable non-linear change tendencies of shear rheological behavior of KGM were detected through analysis of the correlation of viscosity (eta)-shear rates and shear stress-shear rates respectively. The result shows that the sample concentration, sheer rate and temperature has great influence to its rheological property, and its shear rheological curves conformed to the Power Law (tau=K D-n). When the concentration belows 0.55%, the hydrosol behaves approximate Newtonian fluid, and at higher concentration, it behaves pseudoplastically. When temperature changes from 0 to 85 degrees C, the viscosity declines remarkably. (C) 2012 Published by Elsevier B. V. Selection and/or peer review under responsibility of ICMPBE International Committee.
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