Rheo-optical studies of the response of entangled polymer solutions to step changes in shear rate

2004 ◽  
Vol 48 (6) ◽  
pp. 1229-1249 ◽  
Author(s):  
J. P. Oberhauser ◽  
K. Pham ◽  
L. G. Leal
Keyword(s):  
Shear Rate ◽  
Polymer Solutions ◽  
Optical Studies ◽  
Entangled Polymer ◽  
Entangled Polymer Solutions

scholarly journals Shear banding in entangled polymers in the micron scale gap: a confocal-rheoscopic study

Soft Matter ◽  
2015 ◽  
Vol 11 (41) ◽  
pp. 8058-8068 ◽  
Author(s):  
Pouyan E. Boukany ◽  
Shi-Qing Wang ◽  
Sham Ravindranath ◽  
L. James Lee
Keyword(s):  
Shear Rate ◽  
Polymer Solutions ◽  
Shear Banding ◽  
Wall Slip ◽  
Entangled Polymers ◽  
Entangled Polymer ◽  
Rate Loss ◽  
Entangled Polymer Solutions

Recent shear experiments in well-entangled polymer solutions demonstrated that interfacial wall slip is the only source of shear rate loss and there is no evidence of shear banding in the micron scale gap.

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