## A rheological and structural study of polymer networksContents of this doctoral dissertation include: primary polymer molecules with a mondisperse distribution of the molecular weights, crosslinks of any functionality, primary polymer molecules with a disperse distribution of the molecular weights, the sol fraction, number and weight average degrees of polymerization, Schulz-Zimm distribution, fractions of ideal networks and dangling ends, molar masses between the crosslinks |

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Page 109

The stress-strain rate curves were fitted with a Bingham

order to gain more insight into the quantitative values of the

viscosity of the system at high shear rates. This model is appropriate for the sharp

...

The stress-strain rate curves were fitted with a Bingham

**yield stress**model, inorder to gain more insight into the quantitative values of the

**yield stress**and theviscosity of the system at high shear rates. This model is appropriate for the sharp

...

Page 111

The data of the

whether the relationship between

4.3.3 Mechanical Model In summary, the results from the various rheological ...

The data of the

**yield stress**are somewhat more scattered and it is not clearwhether the relationship between

**yield stress**and concentration is linear or not. §4.3.3 Mechanical Model In summary, the results from the various rheological ...

Page 112

As a minor discrepancy with this simple model we note that the remnant stress,

that remains in the system after cessation of the flow in the transient experiments

at high shear rates, appears to be higher than the

As a minor discrepancy with this simple model we note that the remnant stress,

that remains in the system after cessation of the flow in the transient experiments

at high shear rates, appears to be higher than the

**yield stress**of the polymer ...### What people are saying - Write a review

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### Contents

_t A Rheological and Structural Study of Polymer Networks | 1 |

Modelling of Polymer Networks | 18 |

Simulations of Polymer Networks | 74 |

Copyright | |

3 other sections not shown

### Common terms and phrases

active network chains average crosslinking index average molar mass average molecular weight calculated complex formation enthalpies constant crosslink functionality crosslinked system crosslinks per unit curves cycle rank dangling ends decrease deformation degree of polymerisation discotic side chain discotic side-chain polymers disperse distribution dynamic elastically active network equilibrium shear modulus figure Flory fraction of dangling fraction of ideal frequency high shear rates hypothetical crosslinking process increase kg/mol mijn molecular weight distribution monodisperse distribution network fraction network of polymer network parameters Nijenhuis number and weight number average degree number average molecular number of crosslinks physical network polydispersity index polymer in 1,1,2-trichloroethane polymeric polyvinyl chloride primary polymer molecules relationship rheological measurements Schulz-Flory distribution Schulz-Zimm distribution side chain polymer sol fraction solubility parameter solution of discotic solvent storage modulus strain structure substituting equation temperature tetrafunctional crosslinking total number unit volume values viscoelastic viscosity w/w solution weight average crosslinking weight average molecular yield stress zijn