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Vol. 27 No. 3 (2015): Vol 27 Issue 3

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Preparation and Characterization of Poly(3-hydroxybutyric acid)/Poly(vinyl acetate) Blend Films

https://doi.org/10.14233/ajchem.2015.17839
Olla Sharhan
Chemistry Department, University of Malaya, 50603 Kuala Lumpur, Malaysia
Abdul Hamid Yahaya
Chemistry Department, University of Malaya, 50603 Kuala Lumpur, Malaysia
Mohamed Mahmoud Nasef
Institute of Hydrogen Economy, University Teknologi Malaysia, 54100 Kuala Lumpur, Malaysia

Corresponding Author(s) : Olla Sharhan

olla_sh@yahoo.com

Asian Journal of Chemistry, Vol. 27 No. 3 (2015): Vol 27 Issue 3

Abstract

Modification of poly(3-hydroxybutyric acid) (PHB) films by blending with poly(vinyl acetate) (PVAc) was investigated. The variation effect of poly(vinyl acetate) proportions in PHB/PVAc blend on the chemical structure, thermal stability, melting and phase morphology and crystallization behaviour were studied. The structure was characterized by Fourier transform infrared, thermogravimetric analysis, X-ray Diffraction (XRD) and field emission scanning electron microscopy. The properties of poly(3-hydroxybutyric acid) were found to be improved by blending with poly(vinyl acetate) and the level of improvement is a function of the proportion of poly(vinyl acetate) in the blend. The thermal stability for the blending was more stable than the pure polymers. The TGA results of the prepared polymers showed three-step decomposition assigned to the thermal degradation of poly(3-hydroxybutyric acid) hard and poly(vinyl acetate). For the XRD, the crystallization rate was decreased by blending poly(3-hydroxybutyric acid) with poly(vinyl acetate).

Keywords

Poly(3-hydroxybutyric acid) Poly(vinyl acetate) Blend FTIR DSC TGA SEM
Sharhan, O., Hamid Yahaya, A., & Mahmoud Nasef, M. (2015). Preparation and Characterization of Poly(3-hydroxybutyric acid)/Poly(vinyl acetate) Blend Films. Asian Journal of Chemistry, 27(3), 979–983. https://doi.org/10.14233/ajchem.2015.17839
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