## 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 81

It will be followed by a calculation of the network parameters as a function of the

polydispersity index of the molecular weight distribution, first at

the equilibrium shear modulus and secondly at

It will be followed by a calculation of the network parameters as a function of the

polydispersity index of the molecular weight distribution, first at

**constant**values ofthe equilibrium shear modulus and secondly at

**constant**number of crosslinks ...Page 86

In this figure, however, the number average molecular weight, M„ , is kept

fraction and the fraction of dangling ends show Figure 3.8 (a) The sol fraction and

(b) ...

In this figure, however, the number average molecular weight, M„ , is kept

**constant**(40 kg/mol), on changing the molecular weight distribution. Both the solfraction and the fraction of dangling ends show Figure 3.8 (a) The sol fraction and

(b) ...

Page 126

instead of the functionality of the crosslinks, also the number of crosslinks per unit

volume can be assumed to be

functionality upon the temperature can be determined. In figure 5.5, the crosslink

...

instead of the functionality of the crosslinks, also the number of crosslinks per unit

volume can be assumed to be

**constant**. In that case, the dependence of thefunctionality upon the temperature can be determined. In figure 5.5, the crosslink

...

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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