| 摘要 |
PROBLEM TO BE SOLVED: To provide: a functional layer of a nonaqueous secondary battery, which is superior in performance even when being used after storage; and a composition for a functional layer of a nonaqueous secondary battery, which enables the formation of a nonaqueous secondary battery having a superior electric property.SOLUTION: A composition for a functional layer of a nonaqueous secondary battery comprises: organic particles; an isothiazoline-based compound; and water. Each organic particle has a core-shell structure having a core part and a shell part partially covering the outer surface of the core part. The core part is made of polymer of which the degree of electrolytic solution swelling is 5 to 30 times. The shell part is made of polymer of which the degree of electrolytic solution swelling is more than 1 to 4 times. In the composition, the isothiazoline-based compound is included by 0.0001-0.025 pt.mass per 100 pts.mass of the organic particles.SELECTED DRAWING: Figure 1 |
