Stress relaxation in unentangled and entangled polymer liquids

1996 ◽  
Vol 104 (13) ◽  
pp. 5284-5293 ◽  
Author(s):  
Avik P. Chatterjee ◽  
Phillip L. Geissler ◽  
Roger F. Loring
Keyword(s):  
Stress Relaxation ◽  
Polymer Liquids ◽  
Entangled Polymer

Relaxation dynamics of entangled polymer liquids in steady shear flow

2003 ◽  
Vol 47 (2) ◽  
pp. 469-482 ◽  
Author(s):  
Javier Sanchez-Reyes ◽  
Lynden A. Archer
Keyword(s):  
Shear Flow ◽  
Steady Shear ◽  
Relaxation Dynamics ◽  
Steady Shear Flow ◽  
Polymer Liquids ◽  
Entangled Polymer

Rational Design of Novel Materials From Polymer Microrheology

2010 ◽  
Author(s):  
Rodrigo E. Teixeira ◽  
Richard S. Graham
Keyword(s):  
Rational Design ◽  
Molecular Level ◽  
Pressure Vessels ◽  
Novel Materials ◽  
Entangled Polymers ◽  
Stochastic Fluctuations ◽  
Safety Margins ◽  
Polymer Liquids ◽  
Entangled Polymer ◽  
High Degree

The visco-elastic properties of entangled polymer liquids arise from molecular-scale topological interactions and stochastic fluctuations under flow. Here, the evolutions of individual entangled polymers were observed in rheologically relevant shear flow histories. We uncover a high degree of molecular individualism and broad conformational distributions resulting from incessant stretch-collapse cycles. The data and insights of the present study may lead to improved molecular-level models and constitutive equations. These tools, in turn, may enable the rational design of novel materials with properties tailored to accomplish specific tasks such as high-pressure vessels and piping with greater safety margins and cost-effectiveness.

Study of Shear Stress Relaxation in Well‐Characterized Polymer Liquids

1982 ◽  
Vol 26 (4) ◽  
pp. 359-371 ◽  
Author(s):  
Christine M. Vrentas ◽  
William W. Graessley
Keyword(s):  
Shear Stress ◽  
Stress Relaxation ◽  
Polymer Liquids ◽  
Shear Stress Relaxation

Steady shear rheology of entangled polymer liquids: Implications of interfacial slip

2002 ◽  
Vol 46 (5) ◽  
pp. 1239-1262 ◽  
Author(s):  
Javier Sanchez-Reyes ◽  
Lynden A. Archer
Keyword(s):  
Steady Shear ◽  
Interfacial Slip ◽  
Shear Rheology ◽  
Polymer Liquids ◽  
Entangled Polymer

Identifying the primitive path mesh in entangled polymer liquids

2005 ◽  
Vol 43 (8) ◽  
pp. 917-933 ◽  
Author(s):  
Sathish K. Sukumaran ◽  
Gary S. Grest ◽  
Kurt Kremer ◽  
Ralf Everaers
Keyword(s):  
Polymer Liquids ◽  
Entangled Polymer

Step Shear Dynamics of Entangled Polymer Liquids

2002 ◽  
Vol 35 (13) ◽  
pp. 5194-5202 ◽  
Author(s):  
Javier Sanchez-Reyes ◽  
Lynden A. Archer
Keyword(s):  
Polymer Liquids ◽  
Entangled Polymer

Nonlinear rheology of highly entangled polymer liquids: Step shear damping function

2001 ◽  
Vol 45 (1) ◽  
pp. 61-82 ◽  
Author(s):  
Mohammad T. Islam ◽  
Javier Sanchez-Reyes ◽  
Lynden A. Archer
Keyword(s):  
Nonlinear Rheology ◽  
Damping Function ◽  
Polymer Liquids ◽  
Entangled Polymer ◽  
Shear Damping
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