ION-CONDUCTING MEMBRANE PRODUCTION METHOD AND PRODUCTION DEVICE
The purpose of the present invention is to provide a production method for producing an ion-conducting membrane with reduced impurities in a short time. A further purpose is to provide a more compact ion-conducting membrane production device which can reduce the amount of treatment solution used. In...
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| creator | FUKUDA, Seiji YABUUCHI, Yuko |
| description | The purpose of the present invention is to provide a production method for producing an ion-conducting membrane with reduced impurities in a short time. A further purpose is to provide a more compact ion-conducting membrane production device which can reduce the amount of treatment solution used. In order to achieve this purpose, this production method has the following configuration. This method, for producing an ion-conducting membrane that contains a polymer having an ionic group, involves multiple liquid treatment steps in which a precursor membrane is brought into contact with an acid treatment solution or an alkali treatment solution, said precursor membrane containing a polymer in a state in which the aforementioned ionic group forms a salt with an impurity ion, wherein the liquid treatment time in the second and subsequent liquid treatment steps of the multiple liquid treatment steps is shorter than the liquid treatment time in the initial liquid treatment step. |
| format | Patent |
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A further purpose is to provide a more compact ion-conducting membrane production device which can reduce the amount of treatment solution used. In order to achieve this purpose, this production method has the following configuration. This method, for producing an ion-conducting membrane that contains a polymer having an ionic group, involves multiple liquid treatment steps in which a precursor membrane is brought into contact with an acid treatment solution or an alkali treatment solution, said precursor membrane containing a polymer in a state in which the aforementioned ionic group forms a salt with an impurity ion, wherein the liquid treatment time in the second and subsequent liquid treatment steps of the multiple liquid treatment steps is shorter than the liquid treatment time in the initial liquid treatment step.</description><language>eng ; fre ; ger</language><subject>AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G ; BASIC ELECTRIC ELEMENTS ; CABLES ; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY ; CHEMISTRY ; COMPOSITIONS BASED THEREON ; CONDUCTORS ; ELECTRICITY ; GENERAL PROCESSES OF COMPOUNDING ; INSULATORS ; 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 ; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; THEIR RELEVANT APPARATUS ; TRANSPORTING ; WORKING-UP</subject><creationdate>2019</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20190918&DB=EPODOC&CC=EP&NR=3419092A4$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20190918&DB=EPODOC&CC=EP&NR=3419092A4$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>FUKUDA, Seiji</creatorcontrib><creatorcontrib>YABUUCHI, Yuko</creatorcontrib><title>ION-CONDUCTING MEMBRANE PRODUCTION METHOD AND PRODUCTION DEVICE</title><description>The purpose of the present invention is to provide a production method for producing an ion-conducting membrane with reduced impurities in a short time. A further purpose is to provide a more compact ion-conducting membrane production device which can reduce the amount of treatment solution used. In order to achieve this purpose, this production method has the following configuration. 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A further purpose is to provide a more compact ion-conducting membrane production device which can reduce the amount of treatment solution used. In order to achieve this purpose, this production method has the following configuration. This method, for producing an ion-conducting membrane that contains a polymer having an ionic group, involves multiple liquid treatment steps in which a precursor membrane is brought into contact with an acid treatment solution or an alkali treatment solution, said precursor membrane containing a polymer in a state in which the aforementioned ionic group forms a salt with an impurity ion, wherein the liquid treatment time in the second and subsequent liquid treatment steps of the multiple liquid treatment steps is shorter than the liquid treatment time in the initial liquid treatment step.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G BASIC ELECTRIC ELEMENTS CABLES CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS BASED THEREON CONDUCTORS ELECTRICITY GENERAL PROCESSES OF COMPOUNDING INSULATORS 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 SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES THEIR PREPARATION OR CHEMICAL WORKING-UP THEIR RELEVANT APPARATUS TRANSPORTING WORKING-UP |
| title | ION-CONDUCTING MEMBRANE PRODUCTION METHOD AND PRODUCTION DEVICE |
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