Effect of Mixing Temperature on Characteristics of Thermoplastic Potato Starch Film

Euroinvent ICIR 2018

Zakaria, N.H.^1,2 ; Muhammad, N.^1,2 ; Sandu, A.V.^2,4 ; Abdullah, M.M.A.B.^2,3

School of Manufacturing Engineering, Universiti Malaysia Perlis, Perlis, Malaysia^1

Center of Excellence Geopolymer and Green Technology (CEGeoGTech), School of Materials Engineering, Universiti Malaysia Perlis, Perlis, Malaysia^2

Faculty of Engineering Technology, Universiti Malaysia Perlis, Perlis, Malaysia^3

Gheorghe Asachi Technical University of Iasi, Faculty of Materials Science and Engineering, Blvd. D. Mangeron 41, Iasi

700050, Romania^4

关键词: Microstructure properties;    Mixing temperature;    Potato starches;    Solution-casting technique;    Starch films;    Strength and elongations;    Temperature increase;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/374/1/012083/pdf
DOI  :  10.1088/1757-899X/374/1/012083

来源: IOP

【 摘 要 】

This study present the preparation of potato starch film with glycerol as a plasticizer through a solution casting technique. The effect of mixing temperature (80°C, 85°C, 90°C and 95°C) on the tensile and microstructure properties of potato starch film was investigated. Results shows that the increase of temperature from 80°C to 85°C caused the increase in tensile strength. Nevertheless, as the temperature increase to 95°C, the tensile strength and elongation at break decreased, with the highest value of 2.6MPa and 15.7mm respectively. Both of tensile strength and elongation at break were recorded for starch film prepared at 85°C. Besides, the microstructure of the starch films showed gradual smoother surface, homogenous and grain growth, as the mixing temperature increased. Overall result shows that mixing temperature significantly influenced the properties of the potato starch films.