POROUS MEMBRANE OF POLYTETRAFLUOROETHYLENE AND/OR MODIFIED POLYTETRAFLUOROETHYLENE HAVING HIGH STRENGTH AND SMALL PORE DIAMETER

Provided is a porous membrane including polytetrafluoroethylene and/or modified polytetrafluoroethylene having a small pore diameter, thin film thickness, high porosity, and high strength; and a method for manufacturing the same. The porous membrane including polytetrafluoroethylene and/or modified...

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Bibliographic Details
Main Authors MIYAMAE, KOHEI, KONABE, KAZUO, SHIMATANI, SHUNICHI
Format Patent
LanguageEnglish
Published 06.07.2023
Subjects
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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Summary:Provided is a porous membrane including polytetrafluoroethylene and/or modified polytetrafluoroethylene having a small pore diameter, thin film thickness, high porosity, and high strength; and a method for manufacturing the same. The porous membrane including polytetrafluoroethylene and/or modified polytetrafluoroethylenehas bubble point of isopropyl alcohol according to JIS K3832 of 600 kPa or more, and tensile strength according to JIS K6251 of 90 MPa or more.
Bibliography:Application Number: US202117923966