POLYOLEFIN MICROPOROUS FILM - TORAY INDUSTRIES

Title:

POLYOLEFIN MICROPOROUS FILM

Document Type and Number:

Japanese Patent JP2022049164

Kind Code:

A

Abstract:

To provide a polyolefin microporous film that has a fine uneven structure, a large specific surface area, and a high porosity.SOLUTION: A polyolefin microporous film has the structure illustrated below: (1) the polyolefin microporous film having a thickness of 9 μm or more and 35 μm or less; (2) the polyolefin microporous film having a bubble point pore size of 5 nm or more and 80 nm or less; (3) the specific surface area being 200 m2/g or more and 1000 m2/g or less; and (4) the polyolefin microporous film having a porosity of 50% or more and 80% or less.SELECTED DRAWING: None

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Inventors:

MIURA YUKIKO
NODA KAORU

Application Number:

JP2020155233A

Publication Date:

March 29, 2022

Filing Date:

September 16, 2020

Export Citation:

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Assignee:

TORAY INDUSTRIES

International Classes:

C08J9/28; B01D69/00; B01D69/06; B01D71/26; C08J5/18; C08J9/00

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