## 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 22

From figure 2.2 it is clear that in case of an ideal network the polymer chain parts

descending from point A contribute to ... crosslinks each additional connection

also adds two elastically

From figure 2.2 it is clear that in case of an ideal network the polymer chain parts

descending from point A contribute to ... crosslinks each additional connection

also adds two elastically

**active network chains**ve to that system, see figure 2.3.Page 30

Equation (2.16), applicable to tetrafunctional crosslinks, has been derived by

formulating the number of elastically

total number of crosslinks, //, a fraction of dangling ends and a sol-fraction. A

similar ...

Equation (2.16), applicable to tetrafunctional crosslinks, has been derived by

formulating the number of elastically

**active network chains**as a function of thetotal number of crosslinks, //, a fraction of dangling ends and a sol-fraction. A

similar ...

Page 31

Yet the number of elastically

conversion. As a consequence the possibility arises that the relationships for

polymer networks with /-functional crosslinks based upon work of te Nijenhuis,

i.e. the cycle ...

Yet the number of elastically

**active network chains**changes during thisconversion. As a consequence the possibility arises that the relationships for

polymer networks with /-functional crosslinks based upon work of te Nijenhuis,

i.e. the cycle ...

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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