The function calculate the change of kinetic constants due to gel effect
Usage
gel(y, pars, roM, roS, roP)
Arguments
y
vector of material and energy balance, as supplied by the function prepare
pars
vector of chemical-physical parameters, as supplied by the function prepare
roM
function of monomer density (Kg/L) vs. temperature (K)
roS
function of solvent density (Kg/L) vs. temperature (K)
roP
function of polymer density (Kg/L) vs. temperature (K)
Value
Kt decrease of bimolecular termination constant by diffusional model
Kp decrease of propagation constant by diffusional model
Kd decrease of initiator factor efficiency by diffusional model
Kts decrease of bimolecular termination constant by segmental model
Ktrmin minimal decrease of bimolecular termination constant by segmental model
Ktrmax maximal decrease of bimolecular termination constant by segmental model
PhiMvolumetric volume fraction for Monomer
PhiS volumetric volume fraction for Solvent
PHiP volumetric volume fraction for Polymer
K3 gel point parameter
K3test gel point test parameter
MwrMolecular weight at the gel point start
Vfr Free volume at the gel point start
Mw Actual molecular weight
Vf Actual free volume
Vfcr Critical free volume
Details
The function evaluate the reduction of kinetic constant of propagation, termination, initiation when gel effect take place.
Several models are implemented: diffusional, segmental and reactive. User can choose among them by menu choice