Radiation Effects on Polymers-X

Publication: Research - peer-reviewJournal article – Annual report year: 1978

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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
Publication date1978
Volume14
Journal number7
Pages545-549
ISSN0014-3057
StatePublished
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