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International Journal of Chemical Technology

Year: 2010 | Volume: 2 | Issue: 1 | Page No.: 21-27
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Authors

S. Prasong

S. Wilaiwan

K. Nualchai

Keywords

Research Article

Structure and Thermal Characteristics of Bombyx mori Silk Fibroin Films: Effect of Different Organic Solvents

S. Prasong, S. Wilaiwan and K. Nualchai
The aim of this study compare the effect of different organic solvents on structure and thermal characteristics of Silk Fibroin (SF) films. Silk fibroin films were prepared by casting the SF solution using evaporating technique. The SF films were treated with various organic solvents; 80% acetone, 80% ethanol, 80% ethyl acetate and 80% methanol. After treatment, they were investigated their secondary structure and thermal behavior using Fourier transform infrared (FTIR) spectroscopy and thermogravimetric analysis, respectively. Fourier transform infrared results found that the secondary structures of SF films were changed after treatment SF films with ethanol, ethyl acetate and methanol, except acetone. From the results of FTIR, TG, DTG and heat flow thermograms, methanol showed higher effect to enhance the stability of SF films compared to other. It is a promising that ethanol, ethyl acetate and methanol could be used to enhance the stability of SF films.
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