Method for making reinforced ion exchange membranes

Method for making reinforced ion exchange membranes

A method for making a composite fluorinated ion exchange membrane is provided comprising applying a continuous fluorinated ion exchange polymer film to a porous reinforcing substrate, preferably made from a polyolefin such as linear high density polyethylene. The composite membrane is made by applyi...

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Hauptverfasser: BANERJEE, SHOIBAL
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Sprache:eng
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AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
BASIC ELECTRIC ELEMENTS
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
COMPOSITIONS BASED THEREON
ELECTRICITY
GENERAL PROCESSES OF COMPOUNDING
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
THEIR PREPARATION OR CHEMICAL WORKING-UP
THEIR RELEVANT APPARATUS
TRANSPORTING
WORKING-UP
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SHOIBAL
description A method for making a composite fluorinated ion exchange membrane is provided comprising applying a continuous fluorinated ion exchange polymer film to a porous reinforcing substrate, preferably made from a polyolefin such as linear high density polyethylene. The composite membrane is made by applying a solvent to the surface of the film and/or the substrate and then affixing the reinforcing substrate. These reinforced membranes may advantageously be used as separators in fuel cells, and as selective barriers in permeation separation and facilitated transport operations.
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subjects AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
BASIC ELECTRIC ELEMENTS
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
COMPOSITIONS BASED THEREON
ELECTRICITY
GENERAL PROCESSES OF COMPOUNDING
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
THEIR PREPARATION OR CHEMICAL WORKING-UP
THEIR RELEVANT APPARATUS
TRANSPORTING
WORKING-UP
title Method for making reinforced ion exchange membranes
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