Abstract
Starch is one of the most extensively researched raw materials for the production of biopolymers. A major drawback of biopolymers synthesized from thermoplastic starch is their poor water resistance. To overcome these limitations, various reinforcement fillers like nanoclay, silicon dioxide, and titanium dioxide are used. The current work employs the use of silicon dioxide (SiO2) as reinforcement fillers for potato starch. The addition of SiO2 was found to considerably improve the hydration properties (Tp) of the biopolymer films. The water solubility, moisture content, water vapour transmission rate, and static water contact angle of the films were found to be significantly decreased with increasing concentration of SiO2.
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