A polymer blend has chains of type A with sites and chains of type B with sites

PHYSICS · Subjective · Fermi University Physics · Condensed Matter, Materials & Soft Matter · Soft condensed matter · Soft condensed matter

Soft Matter at the Thermal Scale, Ch Polymer solutions and blends

Problem

A polymer blend has chains of type A with NA=1000N_A = 1000 sites and chains of type B with NB=100N_B = 100 sites. Find the critical Flory-Huggins parameter χc\chi_c and the critical volume fraction of A, ϕc\phi_c, at which the two-phase region first opens.

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