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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... sol - fraction 2.2.1.3.1 . The crosslinking index 2.2.2.1 . The crosslinking index in the system as a whole 2.2.2.2 . The crosslinking indices in the sol fraction and the network fraction 2.3 . Primary polymer molecules with a disperse ...
... sol - fraction 2.2.1.3.1 . The crosslinking index 2.2.2.1 . The crosslinking index in the system as a whole 2.2.2.2 . The crosslinking indices in the sol fraction and the network fraction 2.3 . Primary polymer molecules with a disperse ...
Page 33
... sol fraction , y ' . Stockmayer was the first to derive a relationship between the crosslinking index and the sol fraction for crosslinking of any functionality . But because of his rigorous exclusion of intramolecular crosslinks in the sol ...
... sol fraction , y ' . Stockmayer was the first to derive a relationship between the crosslinking index and the sol fraction for crosslinking of any functionality . But because of his rigorous exclusion of intramolecular crosslinks in the sol ...
Page 38
... sol fraction from a measurement of the equilibrium shear modulus , just the knowledge of the crosslinking functionality is not sufficient . Beside the functionality , equation ( 2.51 ) now contains three unknown parameters . This ...
... sol fraction from a measurement of the equilibrium shear modulus , just the knowledge of the crosslinking functionality is not sufficient . Beside the functionality , equation ( 2.51 ) now contains three unknown parameters . This ...
Common terms and phrases
1,1,2-trichloroethane active network chains average crosslinking index average molar mass average molecular weight calculated 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 ended mesogens equilibrium shear modulus figure Flory fraction of dangling fraction of ideal Franse frequency high shear rates increase kg/mol mijn molecular weight distribution monodisperse distribution N/m² network of polymer network parameters Nijenhuis number and weight number average degree number average molecular number of crosslinks physical network poly(vinyl chloride polydispersity index polymeric primary polymer molecules relationship rheological measurements Schulz-Flory distribution Schulz-Zimm distribution shear rates side chain polymer sol fraction solubility parameter solution of discotic solvent storage modulus strain structure substituting equation temperature tetrafunctional crosslinking unit volume values viscoelastic viscosity w/w solution w₁ weight average crosslinking weight average degrees weight average molecular yield stress zijn