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Title: Semipermeable polymers and method for producing same

Abstract

A polyamide membrane comprising reaction product of an anhydrous solution comprising an anhydrous solvent, at least one polyfunctional secondary amine and a pre-polymer deposition catalyst; and an anhydrous, organic solvent solution comprising a polyfunctional aromatic amine-reactive reactant comprising one ring. A composite semipermeable membrane comprising the polyamide membrane on a porous support. A method of making a composite semipermeable membrane by coating a porous support with an anhydrous solution comprising an anhydrous solvent, a polyfunctional secondary amine and a pre-polymer deposition catalyst, to form an activated pre-polymer layer on the porous support and contacting the activated pre-polymer layer with an anhydrous, organic solvent solution comprising a polyfunctional amine-reactive reactant to interfacially condense the amine-reactive reactant with the polyfunctional secondary amine, thereby forming a cross-linked, interfacial polyamide layer on the porous support. A method of impregnating a composite semipermeable membrane with nanoparticles selected from heavy metals and/or oxides of heavy metals.

Inventors:
 [1]
  1. Boulder, CO
Issue Date:
Research Org.:
Eltron Research & Development, Inc. (Boulder, CO)
Sponsoring Org.:
USDOE
OSTI Identifier:
1041182
Patent Number(s):
8147735
Application Number:
12/170,036
Assignee:
Eltron Research & Development, Inc. (Boulder, CO)
Patent Classifications (CPCs):
B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01D - SEPARATION
DOE Contract Number:  
FG02-05ER84228; FG02-05ER84230
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Buschmann, Wayne E. Semipermeable polymers and method for producing same. United States: N. p., 2012. Web.
Buschmann, Wayne E. Semipermeable polymers and method for producing same. United States.
Buschmann, Wayne E. Tue . "Semipermeable polymers and method for producing same". United States. https://www.osti.gov/servlets/purl/1041182.
@article{osti_1041182,
title = {Semipermeable polymers and method for producing same},
author = {Buschmann, Wayne E},
abstractNote = {A polyamide membrane comprising reaction product of an anhydrous solution comprising an anhydrous solvent, at least one polyfunctional secondary amine and a pre-polymer deposition catalyst; and an anhydrous, organic solvent solution comprising a polyfunctional aromatic amine-reactive reactant comprising one ring. A composite semipermeable membrane comprising the polyamide membrane on a porous support. A method of making a composite semipermeable membrane by coating a porous support with an anhydrous solution comprising an anhydrous solvent, a polyfunctional secondary amine and a pre-polymer deposition catalyst, to form an activated pre-polymer layer on the porous support and contacting the activated pre-polymer layer with an anhydrous, organic solvent solution comprising a polyfunctional amine-reactive reactant to interfacially condense the amine-reactive reactant with the polyfunctional secondary amine, thereby forming a cross-linked, interfacial polyamide layer on the porous support. A method of impregnating a composite semipermeable membrane with nanoparticles selected from heavy metals and/or oxides of heavy metals.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2012},
month = {4}
}