| Autor: |
Shukla, S. K., Rizwana, Bharadvaja, Anand, Dubey, G. C. |
| Zdroj: |
Chemistry Africa; December 2019, Vol. 2 Issue: 4 p723-732, 10p |
| Abstrakt: |
Abstract: Extraction of chemically modified microcrystalline cellulose sheet (MCS) from rice husk is reported using a greener method. MCS is then blended with polyvinyl alcohol (PVA) by solution method under optimum conditions. The structural, morphological and physical properties were studied by spectroscopic, scanning electron microscope, gas chromatograph and standard ASTM methods. The result reveals the formation of carbonated microcrystalline cellulose blended polyvinyl alcohol (MCS-b-PVA) with improved mechanical, barrier and carbon di oxide releasing properties. Further, CO2releasing ability has made the film suitable for active packaging film for storage of meat products. The chemical mechanistic model for CO2release has been also proposed under the influence of hydronium ion and relative humidity in context of a close packet. Graphic Abstract: ![]() |
| Databáze: |
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