| 摘要 |
PURPOSE: An ion exchange textile which is easily handled compared to conventional ion exchange resin used as ion conductive spacer and has very high ion removal efficiency by having non-crosslinking bond, thereby increasing overall specific surface area, rate constant and permeability coefficient. CONSTITUTION: The ion exchange textile for electrodeionization process is characterized in that it is obtained by graft polymerizing a monomer having ion exchange group onto polyolefin based textile irradiated by radiation, wherein the ion exchange textile has overall rate constant (k) of 140 to 150 h¬-1 and permeability coefficient of 17,000 to 19,000 L/hr·m·atm, wherein density of the polyolefin based textile is 0.2 to 0.6 g/cm¬3, wherein the total amount of radioactive rays is 10 to 100 kGy, and wherein the monomer having ion exchange group is selected from sodium sulfonic acid derivative, potassium sulfonic acid derivative, vinylbenzyl trimethyl ammonium chloride, vinylbenzyl triethyl ammonium chloride, vinylbenzyl chloride, vinylbenzyl pyridinium chloride, and vinylbenzyl pyridinium bromide.
|
