Title:
COMPOSITE SEPARATION MEMBRANE, AND COMPOSITE SEPARATION MEMBRANE ELEMENT
Document Type and Number:
Japanese Patent JP2015180495
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a separation membrane and an element for holding a high water producing quantity and a high separation removable performance.SOLUTION: A composite separation membrane comprises: a substrate; a porous support layer laminated on one face of said substrate; and a separation function layer layered on said porous support layer, wherein said composite separation membrane contains hydrophilic molecules, wherein the content of said hydrophilic molecules in said composite separation film bone-dried is 0.7 g/m2 or more and 2.5 g/m, and wherein the ratio of said hydrophilic molecules contained in said substrate of said hydrophilic molecules in said composite separation membrane after bone-dried is 3 weight% or more and 40 weight% or less.
Inventors:
MARUTANI YOSHIE
TAKAGI KENTARO
HIROZAWA HIROHO
YAMADA HIROYUKI
OKAMOTO YOSHIKI
TABAYASHI SHUNSUKE
AZUMA MASAKI
SASAKI TAKAO
KIMURA MASAHIRO
TAKAGI KENTARO
HIROZAWA HIROHO
YAMADA HIROYUKI
OKAMOTO YOSHIKI
TABAYASHI SHUNSUKE
AZUMA MASAKI
SASAKI TAKAO
KIMURA MASAHIRO
Application Number:
JP2015043275A
Publication Date:
October 15, 2015
Filing Date:
March 05, 2015
Export Citation:
Assignee:
TORAY INDUSTRIES
International Classes:
B01D69/12; B01D63/00; B01D63/10; B01D69/10; B32B5/18; B32B27/00; B32B27/18; C02F1/44
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