HOLLOW FIBER MEMBRANE MODULE AND PRODUCTION THEREOF

PURPOSE:To separate an org. solvent at relatively high temp. by a hollow fiber membrane module. CONSTITUTION:A least one end part of the bundle of hollow fiber membranes is immersed in a resin compsn. melt consisting of 5-99wt.% of low density polyethylene wax and 95-1wt.% of a low density olefin po...

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Bibliographic Details
Main Authors SATOU YUKA, MIZUMOTO SEIJI
Format Patent
LanguageEnglish
Published 21.06.1994
Edition5
Subjects
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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Summary:PURPOSE:To separate an org. solvent at relatively high temp. by a hollow fiber membrane module. CONSTITUTION:A least one end part of the bundle of hollow fiber membranes is immersed in a resin compsn. melt consisting of 5-99wt.% of low density polyethylene wax and 95-1wt.% of a low density olefin polymer with a melt index of 50 or more to be sealed and fixed to a casing. Polyethylene is contained in the wax and the polymer. The density of the wax is 0.94g/cm or less and the mol.wt. thereof by a viscosity method is 20000 or less. When the wax and the polymer are together used, a hollow fiber membrane module relatively high in the adhesion to hollow fiber membranes and heat resistance and having a sealed and fixed part excellent in solvent resistance is obtained.
Bibliography:Application Number: JP19920352031