Water transport and mechanical response of block copolymer ion-exchange membranes for water purification
作者： Shawn H. Chen , Carl Willis , Kenneth R. Shull
DOI: 10.1016/J.MEMSCI.2017.09.001
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摘要: Abstract A membrane inflation experiment was used to measure the mechanical response of ABCBA pentablock copolymer membranes designed transport water through coalescence water-swollen polyelectrolyte domains within polymer. Creep resistance block copolymers originates from glassy blocks either poly(p-methyl styrene) or poly(t-butyl styrene), and permeability is attributed polystyrene C that partially sulfonated. The creep in wet state enhanced by replacing with poly(p-methylstyrene), decreasing molecular weight block. Both these substitutions increased a while retaining high degree permeability.
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