| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for manufacturing a polyarylene sulfide resin recycling, as a raw ingredient for manufacturing the polyarylene sulfide resin, carboxyalkylamino group-containing compounds discharged at a step of manufacturing the polyarylene sulfide resin.SOLUTION: This method for manufacturing a polyarylene sulfide resin includes a polymerization step of obtaining a crude reaction mixture including a polyarylene sulfide resin, an alkali metal-containing inorganic salt, a carboxyalkylamino group-containing compound, and an aprotonic polar solvent by reacting a composition including the carboxyalkylamino group-containing compound and a polyhalo aromatic compound with the aprotonic polar solvent and a sulfidation agent. |
