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Poly(methyl methacrylate)/soy protein green composites as gas barrier materials |
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| Authors: | Sudhir K. Kisku Sarat K. Swain |
| Affiliation: | Sudhir K.Kiskua and Sarat K.Swain(a,b**) a Department of Chemistry,North Orissa University,Takatpur,Baripada-757003,India b Department of Chemistry,Veer Surendra Sai University of Technology,Burla,Sambalpur-768018,India |
| Abstract: | Poly(methyl methacrylate)/soy protein (PMMA/SP) composites were prepared by emulsion polymerization method using potassium persulphate (KPS) as the radical initiator. The interaction of soy protein with PMMA was evidenced by Fourier transformed infrared (FTIR) spectroscopy. The structure of PMMA/SP composites was investigated by X-ray diffraction (XRD) study and scanning electron microscopy (SEM). The thermal properties of soy protein and PMMA/SP composites were compared with soy protein and virgin PMMA sample. PMMA/SP composites were found to be flame retardant materials from the measurement of limiting oxygen index (LOI) of samples. The oxygen permeability of PMMA/SP composites was substantially decreased as compared to virgin PMMA. |
| Keywords: | Soy protein Emulsion polymerization Biodegradability Oxygen permeability |
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