Research Article

Water Sorption and Mechanical Properties of Starch/Chitosan Nanoparticle Films

Table 2

Water sorption rate (), water sorption capacity (), and regression square () obtained from water sorption data fitted to the Peleg model at different temperatures for (a) starch films and (b) starch/CNP films.

Relative humidityTemperature 4°CTemperature 30°CTemperature 40°C

Starch films
 23%0.06510.08320.99660.21930.08970.99541.05470.19660.9607
 50%0.03660.05070.99920.08670.07400.99990.12290.14710.9927
 75%0.03360.04230.99930.00920.04220.99970.10700.07000.9965
Starch/CNP films
 23%0.00720.05410.99840.11140.08560.99490.02710.07850.9995
 50%0.00620.03770.99930.02060.04660.99840.02000.06230.9997
 75%0.00160.02520.99830.01110.03900.99380.01680.05820.9992