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    γ-Ray Pre-Irradiated Grafting of Polytetrafluoroethylene Film Membrane

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    Publication date
    2014
    Author
    Idris, A.
    Rahmanian, Nejat
    Keyword
    Amines; grafting; PTEE membrane; γ-ray irradiation
    Rights
    © 2014 Penerbit UTM Press. Full-text reproduced with publisher permission.
    Peer-Reviewed
    Yes
    
    Metadata
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    Abstract
    The changes induced by γ-ray pre-irradiated grafting of polytetrafluoroethylene (PTFE) with alkalo-amines such as Monoethanolamine (MEA), Diethanolamine (DEA) and Methyldiethanolamine (MDEA) solvents were investigated. Samples of the commercially available fluoropolymer, i.e. PTFE film membranes were irradiated with 60Co source γ-radiation with absorbed doses of 30 to 90 kGy. Effects of the grafting conditions of the amines onto the pre-irradiated PTFE, such as grafting time, reaction temperature and pre-irradiation doses on the resulting grafting yield are reported. The grafted PTFE was characterized by the FT-IR spectroscopy and FESEM.The gravimeteric analysis showed that the maximum grafting yield obtained is 2.9% for the 30 kGy irradiated MDEA grafted PTFE (MDEA-g-PTFE) at 10 min grafting time. However, at 60 min grafting time the maximum grafting yield reduced to 1.05% for the same sample. Consequently, therefore, for the low dose γ-ray pre-irradiated samples, the effects of applied dose and grafting time were found to be remarkably insignificant.
    URI
    http://hdl.handle.net/10454/10648
    Version
    Published version
    Citation
    Idris A and Rahmanian N (2014) γ-Ray Pre-Irradiated Grafting of Polytetrafluoroethylene Film Membrane. Jurnal Teknologi. 69(9): 47-51.
    Link to publisher’s version
    https://doi.org/10.11113/jt.v69.3395
    Type
    Article
    Collections
    Engineering and Informatics Publications

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