## 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 11

Accordingly, for the two convenient dynamic moduli it follows that: G' = ^-cos5 (

1.9) and G' = ^sin<5 (1.10) Hence the ... 211 The elastic modulus is also called

the in-phase modulus or the

stored ...

Accordingly, for the two convenient dynamic moduli it follows that: G' = ^-cos5 (

1.9) and G' = ^sin<5 (1.10) Hence the ... 211 The elastic modulus is also called

the in-phase modulus or the

**storage modulus**, because it is a measure for thestored ...

Page 12

logG' "* log CO Figure 1.4 The

deformation frequency for various moments in the formation of a polymer network

. The curve at t = 0 indicates the situation before the network formation started.

logG' "* log CO Figure 1.4 The

**storage modulus**as a Junction of the dynamicdeformation frequency for various moments in the formation of a polymer network

. The curve at t = 0 indicates the situation before the network formation started.

Page 99

The curve of the

plateau over at least 5 decades. This rubber plateau indicates that a network of

crosslinked polymer molecules is present in the system. The absolute value of

the ...

The curve of the

**storage modulus**as a function of frequency shows a rubberplateau over at least 5 decades. This rubber plateau indicates that a network of

crosslinked polymer molecules is present in the system. The absolute value of

the ...

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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