HOLLOW FIBER MEMBRANE AND MANUFACTURING METHOD THEREFOR

The present invention relates to a hollow fiber membrane in which the thickness L of a spherical structure layer is 60-500 µm (inclusive), the spherical structure layer has a first surface and a second surface, the average diameter Dai of the spherical structure in a region Sa1 10 µm or less from th...

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Bibliographic Details
Main Authors KANAMORI, Satoko, TACHIBANA, Takashi, IWAI, Kenta, KOBAYASHI, Kentaro, KOZAKI, Yoichiro
Format Patent
LanguageEnglish
French
German
Published 06.03.2024
Subjects
AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS
CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS
CHEMISTRY
COMPOSITIONS BASED THEREON
GENERAL PROCESSES OF COMPOUNDING
METALLURGY
NATURAL OR ARTIFICIAL THREADS OR FIBRES
ORGANIC MACROMOLECULAR COMPOUNDS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
SPINNING
TEXTILES
THEIR PREPARATION OR CHEMICAL WORKING-UP
TRANSPORTING
WORKING-UP
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Summary:The present invention relates to a hollow fiber membrane in which the thickness L of a spherical structure layer is 60-500 µm (inclusive), the spherical structure layer has a first surface and a second surface, the average diameter Dai of the spherical structure in a region Sa1 10 µm or less from the first surface and the average diameter Db2 of the spherical structure in a region Sb2 10-20 µm from the second surface satisfy the relational expression Da1 > Dbz, and the spherical structure satisfies certain parameters.
Bibliography:Application Number: EP20220795915