Miscibility Studies of Hydroxypropyl Cellulose/Poly(Ethylene Glycol) in Dilute Solutions and Solid State

Figure 8

SEM images of HPC (a), PEG (b), 20/80 HPC/PEG (c), 50/50 HPC/PEG (d), 80/20 HPC/PEG (e).

(a)

(b)

(c)

(d)

(e)