Title:
POROUS MEMBRANE LAMINATE
Document Type and Number:
WIPO Patent Application WO/2023/162368
Kind Code:
A1
Abstract:
A porous membrane laminate according to one embodiment of the present disclosure comprises one or more porous membranes containing polytetrafluoroethylene as a main component, and satisfies formula (1). (1) P/γ > -31.6 × lnRa + 168 (In formula (1), P is an average bubble point [kPa]. γ is the surface tension [dyn/cm] of a test liquid used in measuring the average bubble point. Ra is the surface roughness [nm] of the porous membrane, where 14 nm ≤ Ra ≤ 96 nm.)
Inventors:
KATAYAMA HIROKAZU (JP)
AKAMA MITSUHIRO (JP)
HASHIMOTO TAKAMASA (JP)
HAYASHI FUMIHIRO (JP)
TSUJIWAKI HIROYUKI (JP)
AKAMA MITSUHIRO (JP)
HASHIMOTO TAKAMASA (JP)
HAYASHI FUMIHIRO (JP)
TSUJIWAKI HIROYUKI (JP)
Application Number:
PCT/JP2022/042432
Publication Date:
August 31, 2023
Filing Date:
November 15, 2022
Export Citation:
Assignee:
SUMITOMO ELECTRIC FINE POLYMER INC (JP)
SUMITOMO ELECTRIC INDUSTRIES (JP)
SUMITOMO ELECTRIC INDUSTRIES (JP)
International Classes:
B01D69/10; B01D71/36; B32B27/30; C08J9/00
Domestic Patent References:
| WO2017170288A1 | 2017-10-05 |
Foreign References:
| JP2003138047A | 2003-05-14 | |||
| JP2019192749A | 2019-10-31 | |||
| JP2020111042A | 2020-07-27 | |||
| JP2017519619A | 2017-07-20 |
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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