公开(公告)号：EP4434604A3

公开(公告)日：2024-10-23

申请号：EP24194083.2

申请日：2021-07-07

申请人： Ahlstrom Oyj

发明人： POLOZZI, Marcelo

IPC分类号： B01D39/16 ,  B01D39/18

摘要： The disclosure relates to a filtration media comprising a fibrous web impregnated with a resin composition comprising lignin. The fibrous web comprises the lignin in an amount of from 0.1 to 30 wt% by weight of the fibrous web, and the lignin has a density of less than 1.2 g/cm 3 or a weight average molecular weight of less than 20,000 g/mol. The disclosure further relates to a method of manufacturing the filtration media.

公开(公告)号：EP4434604A2

公开(公告)日：2024-09-25

申请号：EP24194083.2

申请日：2021-07-07

申请人： Ahlstrom Oyj

发明人： POLOZZI, Marcelo

IPC分类号： B01D39/18

CPC分类号： B01D2239/046420130101 ,  B01D2239/049220130101 ,  B01D39/18 ,  B01D2239/1220130101

摘要： The disclosure relates to a filtration media comprising a fibrous web impregnated with a resin composition comprising lignin. The fibrous web comprises the lignin in an amount of from 0.1 to 30 wt% by weight of the fibrous web, and the lignin has a density of less than 1.2 g/cm3 or a weight average molecular weight of less than 20,000 g/mol. The disclosure further relates to a method of manufacturing the filtration media.