Kinetics of isothermal depolymerization

Main chain scission followed by depolymerization is a very frequently observed mechanism of thermal degradation. Kinetic treatments allowing 

L smallest degree of polymerization of molecules not volatile in sample. 

M0 total number of polymer molecules XP (zeroth moment of molecular weight distribution). 

R(x) total radical concentration which may be a function of x in the presence of end group initiation. 

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