Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
HIGH-FLOW WATER TREATMENT SEPARATION MEMBRANE HAVING SUPERIOR CHLORINE RESISTANCE
Document Type and Number:
WIPO Patent Application WO/2014/081228
Kind Code:
A1
Abstract:
The present invention relates to a water treatment separation membrane in which a polyamide active layer is formed on a porous support body, and more specifically to a water treatment separation membrane of which the ratio of a maximum value to a minimum value of the ratio of a peak height of a carboxy group C=O double bond (-COOH) to a peak height of a C=O double bond (-CONH-) bound to an amide group, which is measured by using Fourier transform infrared (FTIR) spectroscopy after treating the polyamide active layer with acid, is 1.2 to 4.

Inventors:
KO YOUNG-HOON (KR)
KIM JAE-HONG (KR)
SHIN CHONG-KYU (KR)
LEE PHILL (KR)
Application Number:
PCT/KR2013/010637
Publication Date:
May 30, 2014
Filing Date:
November 21, 2013
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
B01D69/12; B01D61/02; B01D69/10; B01D71/56; B01D71/82
Foreign References:
KR20020001035A2002-01-09
JPH10337454A1998-12-22
KR100990168B12010-10-29
KR20110083275A2011-07-20
JP2008080255A2008-04-10
US4277344A1981-07-07
JPH10337454A1998-12-22
KR19980068304A1998-10-15
Other References:
See also references of EP 2762223A4
Attorney, Agent or Firm:
C&S PATENT AND LAW OFFICE (KR)
특허법인 씨엔에스 (KR)
Download PDF: