Preparation and Characterization of a Bioartificial Polymeric Material: Bilayer of Cellulose Acetate-PVA

Table 1

Prepared films.

Number	Sample	Description
1	PVA	A PVA film obtained from a 5 wt% water solution
2	PVA + ADD	A PVA film obtained from a 5 wt% water solution + GA (0.25 wt%) + LA (15 wt%) + HCl (1.2 wt%) related to the total amount of the polymer
3	CA	A CA film obtained from a 10 wt% acetone solution
4	CA + ADD	A CA film obtained from a 10 wt% acetone solution + PEG (4.5 wt%)
5	Bilayer	CA + ADD and on it PVA + ADD