| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a production process for a uniform electrolyte material in a short time and in a high yield. <P>SOLUTION: A process for producing a sulfonated polymer solution includes a step of sulfonating a solid polymer (A) in a sulfonating solution to produce a solid sulfonated polymer, and (B) a step of dissolving the solid sulfonated polymer in a solvent. <P>COPYRIGHT: (C)2011,JPO&INPIT |
