Citation: YE Meiling, HAN Dong, SHI Lianghe. A NEW TYPE LOW SHEAR RATE VISCOMETER FOR HIGH MOLECULAR WEIGHT POLYMER*[J]. Chinese Journal of Polymer Science, ;1996, 14(4): 311-317. shu

A NEW TYPE LOW SHEAR RATE VISCOMETER FOR HIGH MOLECULAR WEIGHT POLYMER*

Received Date: 2 March 1995

In this paper, the effects of shear rate on the intrinsic viscosity measurement of partiallyHydrolysed Polyacrylamide (HPAM) in salt solution were studied with homemade multi-bulb viscometer and low shear rate rheometer. The critical shear rate of HPAM in saltsolution for high molecular weight HPAM was determined. A low shear rate capillaryviscometer was designed in which the [η] approached to value at zero shear rate can beobtained for HPAM-salt system. The effect of molecular weight on shear rate dependence of viscosity was also studied.
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