Development of Cutaneous Bioadhesive Ureasil-Polyether Hybrid Films

Table 1

Values of work of adhesion (), for the hybrid ureasil-polyether materials, produced with catalysts HCl and NH₄F. Results are expressed as the mean ± SD for = 5 (replicates).

Ureasil-polyether hybrid material	() Catalyst HCl, 2 M	() Catalyst NH4F, 0,1 M
PPO 400	3.16 ± 0.28	0.51 ± 0.06
PPO 2000	2.88 ± 0.21	0.011 ± 0.00
PEO 500	5.15 ± 0.48	1.02 ± 0.09
PEO 1900	4.96 ± 0.51	4.85 ± 0.53