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Citation: XIE Gang, LI Yong, CH EN Jiu-Shun, DENG Li-Yu. Rheological property of Aqueous Partially Hydrolyzed Polyacrylamide Solution[J]. Chinese Journal of Applied Chemistry, ;2000, 17(1): 72-74. shu

Rheological property of Aqueous Partially Hydrolyzed Polyacrylamide Solution

1.
1. College of Chemistry and Chemical Engineering, Heilongjiang University, Harbin 150080;
2.
2. Heilongjiang Inspection Bureau of Import and Export Commodity, Harbin

Received Date: 5 July 1999
Available Online: 2 December 1999
Fund Project: 黑龙江省自然科学基金资助项目(B9609) (B9609)

The rheological properties of partially hydrolyzed polyacrylamide (PHP) aqueous solutions at low shear rates have been studied by using a concentric cylinder rotational rheometer. Some rheological parameters: non-New tonian index(n), consistency coefficient (K), apparent viscosity (η_a) and yield stress (τ_y) have been determined at conditions of different PHP concentration, temperature and salinity. The results show ed that at shear rates of 1~5 s^-1 a yield stress occurred, PHP aqueous solution behaved as a Bingham fluid and a linear relationship between τ_y and PHP concentration(c) was obtained:τ_y=kc.
- polyacrylamide aqueous solution,
- rheological property,
- viscous fingering phenomenon
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