| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a manufacturing method of an ion exchange membrane wherein generation of wrinkles is suppressed. <P>SOLUTION: This manufacturing method of the ion exchange membrane includes a drawing process to draw out the ion exchange membrane by applying a load, a heating process to heat the ion exchange membrane in water vapor and under the pressure of not less than a saturated vapor pressure with the ion exchange membrane drawn in the drawing process, and a hot water treatment process to dip the ion exchange membrane heated in the heating process in hot water after removing the load. <P>COPYRIGHT: (C)2007,JPO&INPIT |
