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Effects of preparation method on properties of poly(butylene adipate-co-terephthalate) films

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Abstract

Poly(butylene adipate-co-terephthalate) (PBAT) films were prepared using 4 different preparation methods and the effects of the processing method on physical, mechanical, and structural properties of PBAT films were studied. Films were characterized using UV-visible spectroscopy, FT-IR, XRD, and thermogravimetric analysis. All films were white in color and exhibited high UV-barrier properties. Films prepared using solvent casting (SC) were less transparent than other films. No structural changed were observed among PBAT films but films prepared at high temperatures exhibited a higher degree of crystallinity. Extrusion-cast (EC) films exhibited highest tensile strength values, while solvent-cast (SC) films had the lowest TS values. The water vapor permeability and water contact angle were not affected by the processing method. The degree of crystallinity of EC films was higher than for other films.

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Authors and Affiliations

  1. Department of Food Engineering and Bionanocomposite Research Institute, Muan, Jeonnam, 58554, Korea

    Gaobin Li, Shiv Shankar & Jong-Whan Rhim

  2. Environment-Friendly Agricultural Research Institute, Jellanamdo Agricultural Research and Extension Services, Naju, Jeonnam, 58213, Korea

    Bong-Yun Oh

Authors
  1. Gaobin Li
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  2. Shiv Shankar
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  3. Jong-Whan Rhim
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  4. Bong-Yun Oh
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Correspondence to Jong-Whan Rhim.

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Li, G., Shankar, S., Rhim, JW. et al. Effects of preparation method on properties of poly(butylene adipate-co-terephthalate) films. Food Sci Biotechnol 24, 1679–1685 (2015). https://doi.org/10.1007/s10068-015-0218-5

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