Radiation Effects on Polymers-X

M. I. Aly, Klaus Albert Julius Singer, N. A. Ghanem, M.A. El-Azmirly

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    Films of low-density polyethylene grafted with various amounts of polyacrylic acid were prepared by the direct irradiation method, using a 10 MeV linear electron accelerator. Aqueous solutions of acrylic acid were used with FeSO4 · 7H2O as a redox system. The best graft/homopolymer ratios were obtained at radiation doses between 2 and 3 Mrad, at acrylic acid concentrations of 40–60% and at FeSO4 · 7H2O concentrations of 0.25-0.5% by weight. The grafted films were tested for reverse osmosis properties. A membrane with 60% polyacrylic acid content gave 87% salt rejection and a water flux of 0.75 × 10−5 gm/cm2 per sec.
    Original languageEnglish
    JournalEuropean Polymer Journal
    Volume14
    Issue number7
    Pages (from-to)545-549
    ISSN0014-3057
    Publication statusPublished - 1978

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