COMPOSITE POLYAMIDE MEMBRANE HAVING AZO CONTENT AND HIGH ACID CONTENT

A thin film composite polyamide membrane comprising a porous support and a thin film polyamide layer characterized by possessing: i) an azo (-N═N-) content of from 0.40% to 1.00%, as measured by pyrolysis gas chromatography; and ii) a dissociated carboxylate content of at least 0.40 mol/kg as measur...

Full description

Saved in:
Bibliographic Details
Main Authors GERHART, BRUCE B, TOMLINSON, IAN A, ZU, CHENGLI, PAUL, MOU, RICKARD, MARK A, ROY, ABHISHEK, QIU, XIAOHUA, CIESLINSKI, ROBERT C, HAWN, DAVID D, ROSENBERG, STEVEN
Format Patent
LanguageEnglish
French
German
Published 16.11.2016
Subjects
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
Online AccessGet full text

Cover

More Information
Summary:A thin film composite polyamide membrane comprising a porous support and a thin film polyamide layer characterized by possessing: i) an azo (-N═N-) content of from 0.40% to 1.00%, as measured by pyrolysis gas chromatography; and ii) a dissociated carboxylate content of at least 0.40 mol/kg as measured by RBS at pH 9.5.
Bibliography:Application Number: EP20140821447