COMPOSITION FOR PRODUCING LAMINATED SEPARATOR FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

• Main Authors: HORIE KENSAKU, ERI HAYASHI, HASHIWAKI HIROKI
• Format: Patent
• Language: Chinese; English
• Published: 31.12.2021
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

The purpose of the present invention is to provide a composition with which it is possible to easily find defects in a laminated separator for a non-aqueous electrolyte secondary battery. A composition containing a solvent and an aromatic polyamide resin in which (i) an electron-withdrawing group is present in an aromatic ring in the main chain, (ii) at least one terminal of the molecule is an amino group, and (iii) more than 90% of the bonds linking the aromatic rings contained in the main chain are amide bonds. 本发明实现一种能够容易地发现非水电解液二次电池用层叠间隔件的缺陷的组合物。一种组合物，其包含溶剂和芳族聚酰胺树脂，上述芳族聚酰胺树脂中，(i)在主链中的芳香环内具有吸电子性基团，(ii)分子的至少一个末端为氨基，(iii)连接主链中所含的芳香环的键中，超过90％为酰胺键。