Surface Morphology and Mechanical Properties of Chitosan Film Incorporated with Marine Macroalgae by Casting Method

Nor Faeqah Idrus; Norasmah Mohammed Manshor; Basil Giri Davis

doi:10.4028/www.scientific.net/AMM.575.26

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 575Surface Morphology and Mechanical Properties of...

Surface Morphology and Mechanical Properties of Chitosan Film Incorporated with Marine Macroalgae by Casting Method

Abstract:

Chitosan is capable to form films which may replace non-biodegradable food packaging plastics. Chitosan films need to be plasticized to enhance its properties. Chitosan films were incorporated with brown seaweed by casting chitosan solution and brown seaweed solution on Petri dishes and heated at 55 °C. The surface morphology characteristic and mechanical properties were investigated. Surface morphology analysis of seaweed incorporated into chitosan film has resulted in a rougher film surface. Flocculation of seaweed extract in the chitosan film indicates that the seaweed has low miscibility with chitosan. The tensile strenght of chitosan seaweed film was recorded at the value below 8MPa with 20% of elongation, E. In contrast, the tensile strenght and elongation of pure chitosan films are recorded at 55 MPa and 60% respectively. Thus, this research has suggested that the incorporation of seaweed into chitosan film has lowered the value of the film properties.

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Periodical:

Applied Mechanics and Materials (Volume 575)

Pages:

26-30

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.575.26

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Online since:

June 2014

Authors:

Nor Faeqah Idrus*, Norasmah Mohammed Manshor, Basil Giri Davis

Keywords:

Chitosan, Chitosan-Seaweed, Film, Macroalgae

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* - Corresponding Author

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