Research Article
Miscibility Studies of Hydroxypropyl Cellulose/Poly(Ethylene Glycol) in Dilute Solutions and Solid State
Figure 3
Ultrasonic velocity versus concentration curves for HPC/PEG blends of 20/80 (a), 40/60 (b), 50/50 (c), 60/40 (d), 80/20 (e).