An ultrafiltration membrane and its preparation procedure (Machine-translation by Google Translate, not legally binding)

摘要

An ultrafiltration membrane and its preparation procedure. The present invention relates to a process for preparing an ultrafiltration membrane with a high mechanical property. In the present invention, since lignin, which has high mechanical properties, is added to the molding membrane solution, the retention rate of the ultrafiltration membrane of the present invention is improved. (Machine-translation by Google Translate, not legally binding)