Polymers containing perfluorovinyl ethers and applications...

C - Chemistry – Metallurgy – 08 – L

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C08L 27/12 (2006.01) C08L 29/10 (2006.01) D06M 13/395 (2006.01) D06M 13/432 (2006.01) D06M 15/256 (2006.01) D06M 15/263 (2006.01) D06M 15/277 (2006.01) D06M 15/356 (2006.01) D06M 15/568 (2006.01)

Patent

CA 2446669

A fluorochemical composition for rendering a fibrous substrate oil and/or water repellent which comprises a solution or dispersion of a fluoropolymer having a partially or fully fluorinated backbone and comprising one or more repeating units corresponding to the general formula (I) wherein Rf represents a perfluorinated organic group having a chain length of at least 2 atoms and having at least one carbon atom and optional auxiliary components.

Cette invention concerne une composition fluorée permettant à un substrat fibreux d'exercer une action répulsive sur l'huile et/ou l'eau. Cette composition comprend une solution ou une dispersion de fluoropolymère comportant un squelette partiellement ou entièrement fluoré et comprenant une ou plusieurs unités récurrentes correspondant à la formule générale (I). Dans cette formule, R¿f? représente un groupe organique perfluoré ayant une longueur de chaîne d'au moins 2 atomes et comptant au moins un atome de carbone et d'éventuels composants auxiliaires.

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