A kinetic theory for polymer melts. IV. Rheological properties for shear flows

1982 ◽  
Vol 77 (9) ◽  
pp. 4747-4757 ◽  
Author(s):  
R. Byron Bird ◽  
H. H. Saab ◽  
C. F. Curtiss
Keyword(s):  
Kinetic Theory ◽  
Rheological Properties ◽  
Shear Flows ◽  
Polymer Melts

scholarly journals Numerical Investigation of the Effect of Viscoelasticity on Drop Retraction and the Evaluation of Interfacial Tension between Polymer Melts

2020 ◽  
Vol 2020 ◽  
pp. 1-13
Author(s):  
Lin Deng ◽  
Yun Zhang ◽  
Shaofei Jiang ◽  
Jiquan Li ◽  
Huamin Zhou
Keyword(s):  
Kinetic Theory ◽  
Interfacial Tension ◽  
Lattice Boltzmann ◽  
Present Method ◽  
Polymer Melts ◽  
Numerical Study ◽  
True Value ◽  
Novel Method ◽  
The Impact ◽  
Polymer Viscoelasticity

The purpose of this paper is twofold. The first is to numerically investigate and reveal the effect of polymer viscoelasticity on the retraction of a deformed drop using the lattice Boltzmann (LB) method and polymer kinetic theory. More importantly, the second is to propose a novel method to evaluate the interfacial tension between polymer melts based on the numerical study. Compared with the conventional deformed drop retraction method (DDRM), the present method is designed to greatly reduce the impact of polymer viscoelasticity on measuring interfacial tension. To verify, the interfacial tension between molten PP and POE is evaluated using the proposed method and obviously closer result to the true value is shown.

In-line measurement of rheological properties of polymer melts

1994 ◽  
Vol 33 (1) ◽  
pp. 71-77 ◽  
Author(s):  
M. Padmanabhan ◽  
M. Bhattacharya
Keyword(s):  
Rheological Properties ◽  
Polymer Melts ◽  
Line Measurement
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