Influence of Complex Plasticizers Containing Urea and Triethanolamin on the Characteristics of SPI/PVA Films

Abstract:

SPI/PVA films were successfully prepared with complex plasticizers containing urea and trethanolamin (TEA) by casting and characterized by Fourier transform infrared spectroscopy (FTIR), scanning electron microscope (SEM), ultraviolet (Uv-vis), differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), and tensile testing. The results indicated that SPI/PVA films with the content of 40% complex plasticizers possessed better optical transmittance. All of the films exhibited only one T_g in DSC curves. Moreover, the SPI/PVA films with complex plasticizers had higher thermal stability and mechanical properties, as a result of the strong interaction between complex plasticizers and SPI/PVA. The SPI/PVA materials will be promising for the application in the field of package and container, substituting for the nongreen polymers.

• Periodical: Applied Mechanics and Materials (Volume 472)
• Pages: 809-814
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.472.809
• Online since: January 2014
• Authors: De Cai Ren, Dong Mei Zhao, Lei Qian, Yu Hong Du
• Keywords: Plasticization, Poly(vinyl alcohol), Soy Protein Isolate, Triethanolamin, Urea

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