Preparation and Characterization of HPMC/PVP Blend Films Plasticized with Sorbitol

Table 1

Microstructural parameters of HPMC/PVP blend films plasticized with Sorbitol {Sample = HPMC + PVP [S]}.

Sample	2𝜃 (deg)	𝑑 (Å)	⟨𝑁⟩	𝐷=⟨𝑁⟩⋅𝑑 (Å)	g (%)	𝛼^𝑑	𝛽	𝛿	Crystallinity (%)
S + 0	12.74	6.93	25.20	174.63	0.1	3.90𝐸−05	6.64𝐸−06	0.3	54.50
	20.43	4.34	3.08	13.36	0.1	1.70𝐸−05	4.46𝐸−05	0.06
S + 0.2 g Sorbitol	13.60	6.49	1.60	10.38	0.1	5.07𝐸−06	4.76𝐸−06	0.04	13.07
	20.67	4.29	2.75	11.79	0.2	3.69𝐸−07	4.92𝐸−07	0.06
S + 0.4 g Sorbitol	12.83	6.89	1.4	9.64	0.1	1.08𝐸−06	1.93𝐸−07	0.08	11.54
	20.27	4.37	3.50	15.29	0.2	1.86𝐸−05	1.71𝐸−05	0.05
S + 0.6 g Sorbitol	12.55	7.04	2.85	20.06	0.2	7.04𝐸−07	7.08𝐸−06	0.06	10.76
	20.73	4.28	3.15	13.48	0.1	1.64𝐸−05	8.34𝐸−05	0.05
S + 0.8 g Sorbitol	14.77	5.99	2.25	15.79	0.2	2.17𝐸−05	9.53𝐸−05	0.05	23.88
	20.41	4.34	3.15	13.67	0.1	4.87𝐸−07	5.85𝐸−04	0.13