Chapter 9: Reaction Mechanisms, Pathways, Bioreactions and Bioreactors

Additional Homework Problems

CDP9-N_B

An anionic polymerization is to be carried out in a CSTR. The reaction steps are

The entering concentration of monomer and initiator are M₀ and I₀, respectively.
(a)  Derive an equation involving the monomer concentration and only the variables k_p, k₁, I₀, (i.e.,=V/v), and M₀.
(b)  Derive an equation of the radical concentration as a function of space time,

(Ans. )

(c)  Choose representative values of k_i (0.015 dm³/mol*s) and k_p (10³ dm³/mol*s)to plot I and M as a function of . What if k_i>>k_p and R₁=I₀
(d)  Derive equations for the first and second moments and , and D.