MEMBRANA SEMIPERMEABLE ORGANOMINERAL Y SU PROCEDIMIENTO DE FABRICACION

LA INVENCION TIENE POR OBJETO MEMBRANAS SEMIPERMEABLES ORGANOMINERALES, UTILIZADAS EN OSMOSIS INVERSA. ESTA MEMBRANA SEMIPERMEABLE ORGANOMINERAL COMPRENDE UN SOPORTE POROSO DE MATERIAL INORGANICO REVESTIDO DE UNA CAPA ORGANICA A BASE DE POLIMERO O COPOLIMERO DE FLUORURO DE VINILIDENO, QUE TIENE GRUP...

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Hauptverfasser: BERARDO, MICHEL, MARTINET, JEAN-MARIE, DARNEZ, CHARLES, ROCHE, GILBERT
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MARTINET, JEAN-MARIE
DARNEZ, CHARLES
ROCHE, GILBERT
description LA INVENCION TIENE POR OBJETO MEMBRANAS SEMIPERMEABLES ORGANOMINERALES, UTILIZADAS EN OSMOSIS INVERSA. ESTA MEMBRANA SEMIPERMEABLE ORGANOMINERAL COMPRENDE UN SOPORTE POROSO DE MATERIAL INORGANICO REVESTIDO DE UNA CAPA ORGANICA A BASE DE POLIMERO O COPOLIMERO DE FLUORURO DE VINILIDENO, QUE TIENE GRUPOS FUNCIONALES QUE CONFIEREN A LA MEMBRANA PERMEABILIDAD AL AGUA O A OTROS DISOLVENTES. EL SOPORTE POROSO DE MATERIAL INORGANICO ESTA PREFERIBLEMENTE CONSTITUIDO POR UN SUBSTRATO MACROPOROSO REVESTIDO DE UNA CAPA MICROPOROSA, CONSTUTUIDA, POR EJEMPLO, POR OXIDO O HIDROXIDO METALICO, SIMPLE O MIXTO. LA CAPA ORGANICA PUEDE ESTAR CONSTITUIDA POR POLIFLUORURO DE VINILIDENO INJERTADO CON UN MONOMERO ADECUADO, TAL COMO ESTIRENO QUE TIENE GRUPOS FUNCIONALES QUE LE CONFIEREN LA PERMEABILIDAD SELECTIVA, POR EJEMPLO, GRUPOS HIDROFILOS COMO GRUPOS SULFONICOS. The invention relates to semipermeable organomineral membranes usable in reverse osmosis. This organomineral semipermeable membrane comprises a porous inorganic material support coated with a vinylidene fluoride polymer or copolymer-based organic layer incorporating functional groups giving the membrane a permeability to water or other solvents. The porous inorganic material support is preferably constituted by a macroporous substrate coated with a microporous layer, e.g. produced from a single or mixed metal oxide or hydroxide. The organic layer can be constituted by polyvinylidene fluoride grafted by an appropriate monomer, such as styrene incorporating functional groups giving it selective permeability, e.g. hydrophilic groups, such as sulphonic groups.
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ESTA MEMBRANA SEMIPERMEABLE ORGANOMINERAL COMPRENDE UN SOPORTE POROSO DE MATERIAL INORGANICO REVESTIDO DE UNA CAPA ORGANICA A BASE DE POLIMERO O COPOLIMERO DE FLUORURO DE VINILIDENO, QUE TIENE GRUPOS FUNCIONALES QUE CONFIEREN A LA MEMBRANA PERMEABILIDAD AL AGUA O A OTROS DISOLVENTES. EL SOPORTE POROSO DE MATERIAL INORGANICO ESTA PREFERIBLEMENTE CONSTITUIDO POR UN SUBSTRATO MACROPOROSO REVESTIDO DE UNA CAPA MICROPOROSA, CONSTUTUIDA, POR EJEMPLO, POR OXIDO O HIDROXIDO METALICO, SIMPLE O MIXTO. LA CAPA ORGANICA PUEDE ESTAR CONSTITUIDA POR POLIFLUORURO DE VINILIDENO INJERTADO CON UN MONOMERO ADECUADO, TAL COMO ESTIRENO QUE TIENE GRUPOS FUNCIONALES QUE LE CONFIEREN LA PERMEABILIDAD SELECTIVA, POR EJEMPLO, GRUPOS HIDROFILOS COMO GRUPOS SULFONICOS. The invention relates to semipermeable organomineral membranes usable in reverse osmosis. This organomineral semipermeable membrane comprises a porous inorganic material support coated with a vinylidene fluoride polymer or copolymer-based organic layer incorporating functional groups giving the membrane a permeability to water or other solvents. The porous inorganic material support is preferably constituted by a macroporous substrate coated with a microporous layer, e.g. produced from a single or mixed metal oxide or hydroxide. 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ESTA MEMBRANA SEMIPERMEABLE ORGANOMINERAL COMPRENDE UN SOPORTE POROSO DE MATERIAL INORGANICO REVESTIDO DE UNA CAPA ORGANICA A BASE DE POLIMERO O COPOLIMERO DE FLUORURO DE VINILIDENO, QUE TIENE GRUPOS FUNCIONALES QUE CONFIEREN A LA MEMBRANA PERMEABILIDAD AL AGUA O A OTROS DISOLVENTES. EL SOPORTE POROSO DE MATERIAL INORGANICO ESTA PREFERIBLEMENTE CONSTITUIDO POR UN SUBSTRATO MACROPOROSO REVESTIDO DE UNA CAPA MICROPOROSA, CONSTUTUIDA, POR EJEMPLO, POR OXIDO O HIDROXIDO METALICO, SIMPLE O MIXTO. LA CAPA ORGANICA PUEDE ESTAR CONSTITUIDA POR POLIFLUORURO DE VINILIDENO INJERTADO CON UN MONOMERO ADECUADO, TAL COMO ESTIRENO QUE TIENE GRUPOS FUNCIONALES QUE LE CONFIEREN LA PERMEABILIDAD SELECTIVA, POR EJEMPLO, GRUPOS HIDROFILOS COMO GRUPOS SULFONICOS. The invention relates to semipermeable organomineral membranes usable in reverse osmosis. This organomineral semipermeable membrane comprises a porous inorganic material support coated with a vinylidene fluoride polymer or copolymer-based organic layer incorporating functional groups giving the membrane a permeability to water or other solvents. The porous inorganic material support is preferably constituted by a macroporous substrate coated with a microporous layer, e.g. produced from a single or mixed metal oxide or hydroxide. 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ESTA MEMBRANA SEMIPERMEABLE ORGANOMINERAL COMPRENDE UN SOPORTE POROSO DE MATERIAL INORGANICO REVESTIDO DE UNA CAPA ORGANICA A BASE DE POLIMERO O COPOLIMERO DE FLUORURO DE VINILIDENO, QUE TIENE GRUPOS FUNCIONALES QUE CONFIEREN A LA MEMBRANA PERMEABILIDAD AL AGUA O A OTROS DISOLVENTES. EL SOPORTE POROSO DE MATERIAL INORGANICO ESTA PREFERIBLEMENTE CONSTITUIDO POR UN SUBSTRATO MACROPOROSO REVESTIDO DE UNA CAPA MICROPOROSA, CONSTUTUIDA, POR EJEMPLO, POR OXIDO O HIDROXIDO METALICO, SIMPLE O MIXTO. LA CAPA ORGANICA PUEDE ESTAR CONSTITUIDA POR POLIFLUORURO DE VINILIDENO INJERTADO CON UN MONOMERO ADECUADO, TAL COMO ESTIRENO QUE TIENE GRUPOS FUNCIONALES QUE LE CONFIEREN LA PERMEABILIDAD SELECTIVA, POR EJEMPLO, GRUPOS HIDROFILOS COMO GRUPOS SULFONICOS. The invention relates to semipermeable organomineral membranes usable in reverse osmosis. This organomineral semipermeable membrane comprises a porous inorganic material support coated with a vinylidene fluoride polymer or copolymer-based organic layer incorporating functional groups giving the membrane a permeability to water or other solvents. The porous inorganic material support is preferably constituted by a macroporous substrate coated with a microporous layer, e.g. produced from a single or mixed metal oxide or hydroxide. The organic layer can be constituted by polyvinylidene fluoride grafted by an appropriate monomer, such as styrene incorporating functional groups giving it selective permeability, e.g. hydrophilic groups, such as sulphonic groups.</abstract><edition>4</edition><oa>free_for_read</oa></addata></record>
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subjects ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
LIME, MAGNESIA
METALLURGY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
REFRACTORIES
SEPARATION
SLAG
TRANSPORTING
TREATMENT OF NATURAL STONE
title MEMBRANA SEMIPERMEABLE ORGANOMINERAL Y SU PROCEDIMIENTO DE FABRICACION
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