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Patent Searching and Data


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
Application Number:
JP2015043275A
Publication Date:
October 15, 2015
Filing Date:
March 05, 2015
Export Citation:
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Assignee:
TORAY INDUSTRIES
International Classes:
B01D69/12; B01D63/00; B01D63/10; B01D69/10; B32B5/18; B32B27/00; B32B27/18; C02F1/44