초록

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Abstract ▼ AI-Helper

Sulfonated polyetherimide having anionic charge and better hydrophilicity than polyetherimide was prepared by reacting polyetherimide with chlorosulfonic acid. To prepare casting solution, from which the membrane having good performance can produce. Polyvinylpyrrolidone as a pore forming agent and v...

Sulfonated polyetherimide having anionic charge and better hydrophilicity than polyetherimide was prepared by reacting polyetherimide with chlorosulfonic acid. To prepare casting solution, from which the membrane having good performance can produce. Polyvinylpyrrolidone as a pore forming agent and volatile weak solvent such as dichloromethane to foml the dense skin layer were added to the sulfonated polyetherimide / N -methyl-2-pyrrolidone solution. Membrane fabricated sulfonated PEl showed better fouling resistance to the protein than those fabricated PEL because of its hydrophilicity. Solute having negative charge was removed effectively with membrane fabricated from the sulfonated PEl because of its the same electron charge.