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Synthesis and Characterization of PVA-Ether Starch Film from Alkoxylation of Fatty Acid Methyl Ester Epoxide of Candlenut Oils with Cassava Starch


Author(s):

Marisi Naibaho , Universitas Sumatera Utara - Indonesia; Mimpin Ginting, Universitas Sumatera Utara - Indonesia; Cut Fatimah Zuhra, Universitas Sumatera Utara - Indonesia

Keywords:

Alkoxylation Candlenuts Oil, Epoxidation, Film and Urea Complexation

Abstract:

The research focused on synthesis and characterization of PVA-ether starch film has been conducted. This study is divided into 4 steps, such as separation of unsaturated fatty acids of candlenut oils by urea complexation methods, epoxidation reactions of unsaturated fatty acid with a peracid acid, alkoxylation reactions of fatty acid methyl ester epoxide with cassava starch and preparation of PVA-ether starch film. The ether starch was obtained by alkoxylation reactions of fatty acid methyl ester epoxide of candlenut oils with cassava starch. The PVA-ether starch film was prepared by mixing polyvinyl alcohol and ether starch of the synthesis to obtained PVA-ether starch films which could applied as bioplastic. The tensile strength of PVA-ether starch films was higher than PVA-cassava starch films. The tensile strength, strain and modulus young's of PVA-ether starch films were 6,07 MPa; 18,41%; 32,97 MPa and PVA-cassava starch films were 4,23 Mpa ; 13,64% ; 31,01 MPa respectively. Furthermore, the hydrophobicity of the film was carried out by water-resistance test where the PVA-ether starch films has a higher water resistance than PVA-cassava starch with value were obtained 81,36% and 32,31%, respectively.


Other Details:

Manuscript Id :IJSTEV4I9008
Published in :Volume : 4, Issue : 9
Publication Date: 01/04/2018
Page(s): 136-144
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