Analytical Solution of Free Radical Polymerization:
Applications- Implementing Gel Effect Using CCS Model
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Abstract
This article presents the implementation
of the Chiu, Carratt, and Soong (CCS) gel/glass model in an analytical
solution (AS) derived for the free radical polymerization under isothermal
condition. This implantation allows AS to be applicable for the whole
range of conversion thus making it more useful for practical applications.
The results were compared with numerical solution (NS) as well as
with experimental data for two different monomers: styrene (St) and
methyl methacrylate (MMA). MMA with chain transfer agent was also
used for this purpose. The results were found to be in good agreement
with both NS and experimental data. NS with and without quasi-steady
state assumption were also found to be in good agreement with each
other for the entire range of conversion. As constant time step was
used, the effect of stiffness on AS during gel effect was visible
at low temperature compared to higher temperature