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

Table 1

Chee and Sun’s interaction parameters for different composition of 1% (w/v) HPC/PEG blends in water at 30°C.

HPC/PEG; blend composition	Chee’s differential interaction; parameters		Sun’s miscibility parameter
	Δ𝐵	μ	α  × 10^2
20/80	−0.0821	−1.1578	−2.4609
40/60	−0.1609	−0.3186	−0.3344
50/50	0.1238	8.1672	7.7292
60/40	0.0504	0.5192	0.054
80/20	0.0184	0.9732	0.0252