Preparation and Characterization of Starch/PVA Blend for Biodegradable Packaging Material

Fahmida Parvin; Md. Arifur Rahman; Jahid M.M. Islam; Mubarak Ahmad Khan; A.H.M. Saadat

doi:10.4028/www.scientific.net/AMR.123-125.351

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 123-125Preparation and Characterization of Starch/PVA...

Preparation and Characterization of Starch/PVA Blend for Biodegradable Packaging Material

Abstract:

Polymer films of rice starch/Polyvinyl alcohol (PVA) were prepared by casting method. Different blends were made varying the concentration of rice starch and PVA. Tensile strength (TS) and elongation at break (Eb) of the prepared films were studied. Films made up of rice starch and PVA with a ratio of 2:8 showed highest TS. 10% sugar was added with highest TS giving four composition of Starch/PVA blend in order to increase TS and Eb. Films made up of rice starch and PVA and sugar with a ratio of 1:8:1 showed highest TS and Eb and the recorded value was 14.96MPa and 637% respectively. The physico-mechanical properties of the prepared sugar incorporated films were improved by grafting with acrylic monomer with the aid of UV radiation. A formulation was prepared with monomer, methylmethacrylat in methanol, and a photo initiator. The highest TS of the grafted films were recorded and the value was 16.38 MPa. The water uptake and weight loss in both soil and water of the grafted films are lower than the non-grafted films. The prepared films were further characterized with stereo micrograph and XRD. Finally, the produced film can be used as biodegradable packaging materials for shopping and garbage bags that are very popular and environment friendly.

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Periodical:

Advanced Materials Research (Volumes 123-125)

Pages:

351-354

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.123-125.351

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Online since:

August 2010

Authors:

Fahmida Parvin, Md. Arifur Rahman, Jahid M.M. Islam, Mubarak Ahmad Khan, A.H.M. Saadat

Keywords:

Biodegradable, PVA, Starch

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