Porous membrane, porous membrane laminate, and production method for porous membrane

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 DEG C/minute has an endothermic peak in a range of 300 DEG C to 360 DEG C inclusive, and the diff...

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Bibliographische Detailangaben
Hauptverfasser:	TSUJIWAKI, HIROYUKI, FUKUNAGA, ATSUSHI, CHINO, KANAKO, KATAYAMA, HIROKAZU, HASHIMOTO, TAKAMASA
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING-UP
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Beschreibung
Zusammenfassung:	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 DEG C/minute has an endothermic peak in a range of 300 DEG C to 360 DEG C inclusive, and the difference between the onset temperature and the endset temperature of the endothermic peak is not more than 20 DEG C.