公开(公告)号：US20240359142A1

公开(公告)日：2024-10-31

申请号：US18682181

申请日：2022-08-04

申请人： TEIJIN LIMITED

发明人： Mami IKUTA

IPC分类号： B01D69/12 ,  B01D69/02 ,  B01D69/10 ,  B01D71/26 ,  B32B5/02 ,  B32B7/14 ,  B32B27/12 ,  B32B27/32

CPC分类号： B01D69/1213 ,  B01D69/02 ,  B01D69/1071 ,  B01D69/1214 ,  B01D71/261 ,  B32B5/022 ,  B32B7/14 ,  B32B27/12 ,  B32B27/32 ,  B01D69/1216 ,  B01D2325/02 ,  B01D2325/04 ,  B01D2325/20 ,  B01D2325/34 ,  B32B2250/40 ,  B32B2264/0257 ,  B32B2307/718 ,  B32B2307/72 ,  B32B2307/724 ,  B32B2307/726 ,  B32B2307/7376

摘要： A laminated film (10A) has a polyolefin microporous membrane (20) and a porous support layer (30), in which the polyolefin microporous membrane (20) and the porous support layer (30) are bonded to each other by bonding parts (40) that contain a thermoplastic resin and are scattered, and the laminated film has a Gurley value of from 5 sec/100 mL to 100 sec/100 mL.

公开(公告)号：US20240342666A1

公开(公告)日：2024-10-17

申请号：US18682739

申请日：2022-08-04

申请人： TEIJIN LIMITED

发明人： Mami IKUTA

IPC分类号： B01D71/26 ,  B01D69/10 ,  B01D71/48

CPC分类号： B01D71/261 ,  B01D69/107 ,  B01D71/48 ,  B01D2257/91 ,  B01D2325/02 ,  B01D2325/04

摘要： A laminated film (10A) has a polyolefin microporous membrane (20) and a porous support layer (30), in which the polyolefin microporous membrane (20) and the porous support layer (30) are bonded to each other by bonding parts (40) that contain a thermoplastic resin and are scattered, and the laminated film has a bubble point of from 20 kPa to 900 kPa.