Title:
複合半透膜、その製造方法、ならびにそれを用いたエレメント、流体分離装置、および水処理方法
Document Type and Number:
Japanese Patent JP2008517737
Kind Code:
A
Abstract:
A composite semipermeable membrane, which comprises a separating functional layer comprising polyamide formed on a porous substrate film, wherein the separating functional layer comprising polyamide has a mean pore radius of 0.25 nm to 0.35 nm and a vacancy content of 0.2 nm3% to 0.3 nm3%, measured by positron annihilation lifetime spectroscopy.
Inventors:
Tomioka Hiroki
Application Number:
JP2007515553A
Publication Date:
May 29, 2008
Filing Date:
October 28, 2005
Export Citation:
Assignee:
TORAY INDUSTRIES,INC.
International Classes:
B01D61/02; B01D71/56; B01D69/12; C02F1/44; C08G69/26; C08J7/04
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