POROUS POLYIMIDE POLYMER MEMBRANE WITH TENSILE STRENGTH

Process for the preparation of a porous polyimide membrane comprising the following steps:i- from a starting polymer material comprising at least one of the following polyamic acid, PAA, selected among an electronically neutral polyamic acid, enPAA, and a negatively charged polyamic acid, NPAA, comp...

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Main Authors DERATANI, André, BOUYER, Denis, QUEMENER, Damien, CAO, Edgar, GUENOUN, Patrick, MERICQ, Jean-Pierre, JACOB, Matthieu, KAMMAKAKAM, Irshad, LORAIN, Olivier, GARATE, Hernan, FAUR, Catherine
Format Patent
LanguageEnglish
French
German
Published 05.06.2024
Subjects
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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Abstract Process for the preparation of a porous polyimide membrane comprising the following steps:i- from a starting polymer material comprising at least one of the following polyamic acid, PAA, selected among an electronically neutral polyamic acid, enPAA, and a negatively charged polyamic acid, NPAA, comprising cations to maintain electroneutrality, carrying out an acid-base reaction in water to obtain a highly negatively charged polyamic acid, HNPAA, comprising cations to maintain electroneutrality having a molar ratio of [total amounts of cationic charges] / [total amount of carboxylic functions of the PAA] from 0.90 to 1 ;ii- performing a reaction involving a phase inversion technique ; andiii- carrying out an imidization reaction on the HNPAA to obtain the porous polyimide membrane.
AbstractList Process for the preparation of a porous polyimide membrane comprising the following steps:i- from a starting polymer material comprising at least one of the following polyamic acid, PAA, selected among an electronically neutral polyamic acid, enPAA, and a negatively charged polyamic acid, NPAA, comprising cations to maintain electroneutrality, carrying out an acid-base reaction in water to obtain a highly negatively charged polyamic acid, HNPAA, comprising cations to maintain electroneutrality having a molar ratio of [total amounts of cationic charges] / [total amount of carboxylic functions of the PAA] from 0.90 to 1 ;ii- performing a reaction involving a phase inversion technique ; andiii- carrying out an imidization reaction on the HNPAA to obtain the porous polyimide membrane.
Author GUENOUN, Patrick
JACOB, Matthieu
GARATE, Hernan
MERICQ, Jean-Pierre
DERATANI, André
CAO, Edgar
BOUYER, Denis
KAMMAKAKAM, Irshad
FAUR, Catherine
QUEMENER, Damien
LORAIN, Olivier
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– fullname: JACOB, Matthieu
– fullname: KAMMAKAKAM, Irshad
– fullname: LORAIN, Olivier
– fullname: GARATE, Hernan
– fullname: FAUR, Catherine
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DocumentTitleAlternate MEMBRANE POREUSE EN POLYIMIDE POLYMÈRE À RÉSISTANCE À LA TRACTION
PORÖSE POLYIMIDPOLYMERMEMBRAN MIT ZUGFESTIGKEIT
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RelatedCompanies TOTALENERGIES ONETECH
COMMISSARIAT À L'ÉNERGIE ATOMIQUE ET AUX ÉNERGIES ALTERNATIVES
Centre National de la Recherche Scientifique
Université de Montpellier
Ecole Nationale Supérieure de Chimie de Montpellier
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PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
Title POROUS POLYIMIDE POLYMER MEMBRANE WITH TENSILE STRENGTH
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