The Effect of Plasticizers and Characterization on Formamide Pseudo-Thermoplastic Potato Starch Films using Solution Casting Method

Abstract

Potato starch has great processability and formamide could provide excellent plasticization. Consequently, potato starch was modified into formamide pseudo-thermoplastic potato starch (FTPP) films in this study. For the evaluation of the optimum preparation on FTPP, we focus on analysis of the plasticizers effect and properties. The results show that the strength and elongation of FTPP-20 film were respectively 29.7 MPa and 6.7%, the melting temperature (129.8°C), melting heat (270.3 J/g), degradation temperature (295.0°C), and the characterization were better than plasticized potato starch with glycerol. It is advantageous on the production and application for the biodegradable materials.

Keywords:

• Formamide pseudo-thermoplastic potato starch (FTPP)
• Glycerol
• Melting temperature
• Plasticizers
• Strength

ACKNOWLEDGEMENT

This work was supported by the National Science Council of the Republic of China, under the project “The Preparation of Nano-SiO₂ Reinforced Amylase Hydrolyzed Pseudo-thermoplastic Potato Starch/Pseudo-thermoplastic Polyvinyl Alcohol Biodegradable Fibers by In-situ Sol-gel Method” No. NSC 99-2221-E-035-007-MY2.