THE EFFECT OF ADDITIVE TO THE NYLON 4 DIALYSIS MEMBRANES

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概要

• 論文の詳細を見る

• The effect of adding certain inorganic salts mainly containing transition metal chlorides (hexahydrate) to the casting solutions of nylon 4 is to swell the nylon 4 membranes and to improve the permeability of NaCl solute for the nylon 4 dialysis membranes. Swelling is affected by the formation of complexes involving the inorganic salts and the amide group of the nylon 4 polymer substrate. The morphologies using scanning electron microscopy (SEM) were studied. The permeability of NaCl and the water content evaluated as a function of the amount of inorganic salts : FeCl<SUB>3</SUB>·6H<SUB>2</SUB>O, CoCl<SUB>2</SUB>·6H<SUB>2</SUB>O, NiCl<SUB>2</SUB>·6H<SUB>2</SUB>O, CuCl<SUB>2</SUB>·6H<SUB>2</SUB>O and AlCl<SUB>3</SUB>·6H<SUB>2</SUB>O added. Especially, the best permeability of NaCl is the nylon 4 membrane by adding the different amount of aluminum chloride. The nylon 4 membranes were analyzed by UV-Visible and FT-IR spectroscopy, to investigate the formation of complexes between the salts and the nylon 4 polymer substrate.

• 日本膜学会の論文

著者

• Cheng C.

  Department Of Engineering And System Science National Tsing Hua University

• LAI J.

  Department of Chemical Engineering Chung, Yuan University

• CHENG C.

  Department of Chemical Engineering Chung, Yuan University

• Lai J.Y.

  Department of Chemical Engineering Chung, Yuan University

• Cheng C.T.

  Department of Chemical Engineering Chung, Yuan University

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