J4 ›› 2010, Vol. 45 ›› Issue (3): 15-18.
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ZHANG Jie, ZHANG Wei-Ming, SHI Jin-Song, SUN Da-Feng, ZHU Chang-Ling
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Abstract:
The effect of polysaccharide concentration, electrolyte concentration, pH value and temperature (T) on the rheological behaviors of Blettila striata polysaccharide solutions was studied. The solutions of polysaccharide concentration between 2 and 16 g·L-1 were pseudoplastic fluids. The apparent viscosity (η) of solutions decreased with increasing shear rate (γ)in the range of γ<1s-1; while η became constant (ηs) for γ>1s-1. ηs rose with polysaccharide concentration, while salt concentration and pH had nothing to do with ηs. ηof solution at 16 g·L-1 lowered with rising T. The relationship between η and T conformed to the Arrhenius equation.
Key words: Blettila striata;polysaccharide;rheology;viscous
ZHANG Jie, ZHANG Wei-Ming, SHI Jin-Song, SUN Da-Feng, ZHU Chang-Ling. Rheological properties of Blettila striata polysaccharide solutions[J].J4, 2010, 45(3): 15-18.
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http://lxbwk.njournal.sdu.edu.cn/EN/Y2010/V45/I3/15
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