Abstract
Thermoplastic starch powders and films were produced by using different combinations of hydrophilic (malic acid and water) and amphiphilic (isoleucine and butyric acid) plasticizers. Spray drying was used to produce thermoplastic starch powder followed by compression molding for the development of films. In all plasticized formulations, the rate of retrogradation was inhibited until the seventh day. The crystallinity and moisture sensitivity of the freshly prepared films were dependent on amphiphilic plasticizer quantity in formulation. Fourier transform infrared spectroscopy and thermogravimetric analysis showed an effective interaction of starch with isoleucine. Isoleucine formulated films showed the highest tensile strength, whereas malic acid-rich films showed better strain values.
| Original language | English |
|---|---|
| Pages (from-to) | 17-27 |
| Number of pages | 11 |
| Journal | Polymer - Plastics Technology and Engineering |
| Volume | 57 |
| Issue number | 1 |
| DOIs | |
| State | Published - 2 Jan 2018 |
| Externally published | Yes |
Bibliographical note
Publisher Copyright:© 2018 Taylor & Francis.
Keywords
- Amphiphilic
- mechanical properties
- plasticizer
- retrogradation
- thermoplastic starch
ASJC Scopus subject areas
- Materials Science (miscellaneous)
- General Chemical Engineering
- Polymers and Plastics
- Materials Chemistry
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