Tube theory of entangled polymer dynamics

Dynamics of entangled polymers subjected to reptation and drift

These analytical results are compared and verified by means of Brownian dynamics simulations of the tube model. Interestingly, while the mean squared ...

Article - J-Stage

Although the entangled polymer dynamics at equilibri- um can be described by the tube theory that incorporates con- tour length fluctuation (CLF) and constraint ...

1 On the Definitions of Entanglement Spacing and Time Constants ...

Likhtman AE, McLeish TCB “Quantitative theory for linear dynamics of linear entangled ... Illustration of tube model, and the various length scales of the polymer ...

Non-equilibrium relaxation law for entangled polymers - IOPscience

In the framework of reptation theory [1] one imagines the large-scale motion of an entangled polymer as being confined to a tube which, loosely speaking, is the ...

The dynamics of entangled polymers - HAL

... theory of the motion of a polymer in the presence of many ... tube with the polymer wriggling inside it. For short times, the ...

Direct observation of dynamic tube dilation in entangled polymer ...

Today, it is well accepted that the unique rheological properties of high molecular weight polymer melts are controlled by entanglements: ...

Microscopic Theory of Entangled Polymer Melt Dynamics - OUCI

Microscopic Theory of Entangled Polymer Melt Dynamics: Flexible Chains as Primitive-Path Random Walks and Supercoarse Grained Needles.

Quantitative Modeling of Entangled Polymer Rheology

Quantitative Modeling of Entangled Polymer Rheology: Experiments, Tube Models and Slip-Link Simulations. · View/Open · Abstract · Subjects · Types · Handle · Metadata.

Lecture 11: Reptation Regime of Polymers: Don't Get Entangled

Lecture 11: Reptation Regime of Polymers: Don't Get Entangled. 1.6K views · 4 years ago ...more. Dr. Joshua Paul Steimel. 2.19K. Subscribe.

Determining tube theory parameters by slip-spring model ... - CentAUR

In this work, we investigate arm-retraction dynamics in the framework of a single-chain slip-spring model without CR effect where entanglements ...

Microscopic Theory of Entangled Polymer Melt Dynamics - NASA ADS

We qualitatively extend a microscopic dynamical theory for the transverse confinement of infinitely thin rigid rods to study topologically entangled melts ...

Comparison among multi-chain models for entangled polymer ...

Mavrantzas, Projection of atomistic simulation data for the dynamics of entangled polymers onto the tube theory: calculation of the segment ...

THEORY OF POLYMER DYNAMICS

In chapter 4 we will introduce the tube model, in which the primary result of entanglements in high molecular weight polymers is the constraining of a test ...

Consequences of Delayed Chain Retraction on the Rheology and ...

Tube theory of entangled polymer dynamics. Adv. Phys. 2002, 51,. 1379−1527. (4) Wang, S.-Q. Nonlinear Polymer Rheology: Macroscopic Phenomenology and Molecular.

Reptation in entangled polymer networks

important attempts to model the dynamics of polymers in an entangled polymer network. ... theory like the tube model is unsuitable. In order to include ...

Microscopic theory for dynamics in entangled polymer ... - IDEALS

In the static sphere limit, we find the effective tube diameter is generally reduced as a function of a single confinement parameter that quantifies the number ...

Linked Molecular Models of Polymerisation Kinetics and Entangled ...

McLeish, Tube theory of entangled polymer dynamics. Adv. Phys., 51 1379-1527. (2002). 16. C., Das et al., Computational linear rheology ...

Award # 1438700 - Ab initio entangled polymer rheology

Ron showed that tube models were incapable of describing all existing data on blends of linear and star-branched polymers. On the other hand, ...

On the microscopic approach to the nonlinear dynamics of ... - EPL

On the microscopic approach to the nonlinear dynamics of entangled polymer melts ... A framework for a consistent description of the correlation effects along ...

Entanglement Kinetics in Polymer Melts Are Chemically Specific

The classical Doi−Edwards (DE) tube theory of entangled polymer melts approximates the many-body dynamics of a polymer molecule as a single ...