Styrene and Acrylonitrile Free Radical Copolymerization

Question

Free radical copolymerization

Styrene (1) and acrylonitrile (2) are copolymerized (r1= 0.29, r2= 0.02). Calculate the polymer composition F1 for f1= 0.01, 0.02. 0.03, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 0.95.

(a)    Determine the azeotropic composition from the F1 vs f1 graph.
(b)    Calculate the azeotropic point and compare the result to (a)
(c)    How does your composition change when you have an initial composition of f1= 0.2 or an initiator composition of f2= 0.8 and you polymerize to a monomer conversion of 100%?


Summary

The question belongs to Chemical Engineering and it is about free radical copolymerization. The question here is about free radical copolymerization of styrene and acrylonitrile. And to determine the azeotropic composition, point  and comparison.

Total Word Count 64

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