Title:
POROUS MEMBRANE, POROUS MEMBRANE LAMINATE, AND PRODUCTION METHOD FOR POROUS MEMBRANE
Document Type and Number:
WIPO Patent Application WO/2023/139868
Kind Code:
A1
Abstract:
A porous membrane according to the present disclosure is mainly composed of polytetrafluoroethylene, wherein a 1st Run melting curve obtained by differential scanning calorimetry at a heating rate of 10°C/minute has an endothermic peak in a range of 300°C to 360°C inclusive, and the difference between the onset temperature and the endset temperature of the endothermic peak is not more than 20°C.
Inventors:
KATAYAMA HIROKAZU (JP)
FUKUNAGA ATSUSHI (JP)
HASHIMOTO TAKAMASA (JP)
CHINO KANAKO (JP)
TSUJIWAKI HIROYUKI (JP)
FUKUNAGA ATSUSHI (JP)
HASHIMOTO TAKAMASA (JP)
CHINO KANAKO (JP)
TSUJIWAKI HIROYUKI (JP)
Application Number:
PCT/JP2022/039922
Publication Date:
July 27, 2023
Filing Date:
October 26, 2022
Export Citation:
Assignee:
SUMITOMO ELECTRIC FINE POLYMER INC (JP)
SUMITOMO ELECTRIC INDUSTRIES (JP)
SUMITOMO ELECTRIC INDUSTRIES (JP)
International Classes:
C08J9/00; B32B5/18; B32B7/027; B32B27/18; B32B27/30
Foreign References:
| JP2021178948A | 2021-11-18 | |||
| JP2015226877A | 2015-12-17 | |||
| JPH03174452A | 1991-07-29 | |||
| JP2015128061A | 2015-07-09 | |||
| JP2012144717A | 2012-08-02 | |||
| JP2017193112A | 2017-10-26 | |||
| JP2015009220A | 2015-01-19 |
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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