Table 2. Swelling Ratio and Water Uptake of the Prepared TiO₂/Ph-CA Nanocomposite Membranes.

	dimensional changes (ΔL %)		thickness changes (ΔT %)		water uptake (WU %)
TiO2 (wt %)	25 °C	80 °C	25 °C	80 °C	25 °C	80 °C
0	10.25	12.8	13.05	13.46	22.5	47.7
2.5	9.31	11.67	12.81	13.00	24.3	49.5
5	8.56	9.20	11.59	12.08	23.1	48
7.5	6.00	7.11	11.07	11.54	22.8	46.9
10	4.44	5.95	10.35	10.77	21	46.54