ISSN:
0001-1541
Keywords:
Chemistry
;
Chemical Engineering
Source:
Wiley InterScience Backfile Collection 1832-2000
Topics:
Chemistry and Pharmacology
,
Process Engineering, Biotechnology, Nutrition Technology
Notes:
Normal stress and viscometric measurements were made on nine polymer solutions with cone-and-plate instruments. Temperature, concentration, molecular weight, and chemical structure were varied. Zero-shear viscosities, obtained by extrapolation of falling-sphere data, ranged from 0.7 to 380 poise.A brief description is given of a normal stress-measurement apparatus, incorporating fast-response strain gauge pressure transducers. Measurements were made at shear rates between 5 and 2,800 sec.-1, sometimes necessitating a considerable correction for inertial forces.Non-Newtonian viscosity, normal stress, recoverable shear strain, and elastic modulus are presented in terms of modified Ferry reduced variables.
Additional Material:
9 Ill.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1002/aic.690110320
