Abstract
The dependence of polymer membrane permeation properties on the nature of grafted polymer chain length, conformation, and domain formation have been elucidated using several membrane materials subjected to controlled graft copolymerization procedures. Improved permeation barrier characteristics of poly(isoprene-gmethylmethacrylate) to inert gas penetrants were found for short chain or densified graft domains as compared with long chain or extended domains. The permselectivity and degradation resistance of polyethylene-g-poly(potassium acrylate) membranes to ionic penetrants were considerably enhanced by surface plus internal grafting of polystyrene. The chemical nature, molecular weight, spatial distribution, and domain conformation of grafted copolymer are factors affecting membrane permeability which can be controlled by feasible variations in polymerization procedures.
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© 1974 Plenum Press, New York
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Rogers, C.E., Yamada, S., Ostler, M.I. (1974). Modification of Polymer Membrane Permeability by Graft Copolymerization. In: Hopfenberg, H.B. (eds) Permeability of Plastic Films and Coatings. Polymer Science and Technology, vol 6. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-2877-3_11
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DOI: https://doi.org/10.1007/978-1-4684-2877-3_11
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