Modified cellulose (high molecular weight) purchased from Merck, and 95% hydrolyzed poly (vinyl alcohol) (average
molecular weight 95,000) was purchased from Acros Organics. All the chemicals were of the highest purity and used
without further purification. Prior to experiment all the glassware was thoroughly washed with detergent and copiously
rinsed with deionized water. MC solution (4wt %) was prepared by dissolving MC powder in deionized water at RT with
continuous stirring for 12 h, to get homogenous solution. PVA solutions (10 wt %) were prepared using PVA powder and
deionized water with continuous stirring at 80° C for 2 h. Blend solutions of MC and PVA were prepared by mixing them at
various ratios, 50: 50 to 60: 40 (MC : PVA) with continuously stirring for 12 hrs