• Login
    View Item 
    •   UCUDIR Home
    • Research Papers and Publications
    • Faculty of Agricultural Sciences
    • View Item
    •   UCUDIR Home
    • Research Papers and Publications
    • Faculty of Agricultural Sciences
    • View Item
    JavaScript is disabled for your browser. Some features of this site may not work without it.

    Quantitative and mechanistic analysis of impact of novel cassava-assisted improved processing on fluid transport phenomenon in humidity-temperature-stressed bio-derived films

    Thumbnail
    View/Open
    This is a research Article (1.752Mb)
    Date
    2016
    Author
    Tumwesigye, Kashub Steven
    Oliveira, J.C.
    Sousa-Gallagher, Maria Jose
    Metadata
    Show full item record
    Abstract
    Bio-derived films’ realistic performance integrity is ascertained by their resilience in highly stressful storage conditions, a function of its ability to respond timely and manages fluid barrier appropriately. Bio-derived films’ moisture and temperature sensitivity often posed mass transport challenges, thus decreasing their lifespan. Quantifying bio-derived film mass transport behaviour has been limited to mass transfer representations, which can be imperfect to understand fully mass transport phenomenon. This study reported quantitative and mechanistic analysis of fluid-phase mass transport phenomenon in Simultaneous Release Recovery Cyanogenesis-produced intact bitter cassava (IBC) bio-derived films under stressful conditions. Films were tested for solvent solubility, swelling ratio, sorption and permeability to water vapour and oxygen at 10-40°C and 10-95% RH. Film’s structural alterations were characterised by their thermal and chemical properties. Modified-BET, Peleg, Oswin models best described sorption data. Temperature-dependence of film water vapour permeability was simulated best by Arrhenius model, while oxygen permeability was influenced highly by crystallinity and RH. Non-organic and organic film-solvent diffusion followed case II and Fickian diffusional patterns respectively. Solvents induced structural changes in IBC films with concentration-dependent diffusion. Cassava bio-derived films’ integrity will depend on the host environment, thus maximum care should be ensured to minimise environment impact during applications. Nonetheless, IBC films hold potential as biomaterials for broad range product use.
    Use this URI to cite this item:
    https://hdl.handle.net/20.500.11951/986
    Collections
    • Faculty of Agricultural Sciences [37]

    UCUDIR copyright © 2017-2019  UCU Library |  Search Library Catalogue
    Contact Us | Send Feedback
     
    Atmire NV
     

     

    Browse

    All of UCUDIRCommunities & CollectionsBy Issue DateAuthorsTitlesSubjectsThis CollectionBy Issue DateAuthorsTitlesSubjects

    My Account

    LoginRegister

    UCUDIR copyright © 2017-2019  UCU Library |  Search Library Catalogue
    Contact Us | Send Feedback
     
    Atmire NV