METHOD FOR MANUFACTURING FLUOROELASTOMERS IN AQUEOUS EMULSION WITHOUT USING FLUORINATED SURFACTANTS

The present invention relates to a method for manufacturing fluoroelastomers via emulsion polymerization in the absence of fluorinated surfactants and in the presence of one or more polycarboxylic acid having from 2 to 22 carbon atoms. The invention also relates to an aqueous fluoroelastomer latex a...

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Bibliographische Detailangaben
Hauptverfasser:	MARRANI, Alessio, D'APRILE, Fiorenza
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	The present invention relates to a method for manufacturing fluoroelastomers via emulsion polymerization in the absence of fluorinated surfactants and in the presence of one or more polycarboxylic acid having from 2 to 22 carbon atoms. The invention also relates to an aqueous fluoroelastomer latex and to a fluoroelastomer which can be obtained from the process. La présente invention concerne un procédé de fabrication de fluoroélastomères par polymérisation en émulsion en l'absence de tensioactifs fluorés et en présence d'un ou plusieurs poly(acides carboxyliques) comprenant 2 à 22 atomes de carbone. L'invention concerne également un latex aqueux de fluoroélastomère et un fluoroélastomère pouvant être obtenu à partir du procédé.