C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
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.
Audenaert Frans A.
Blong Thomas J.
Buckanin Richard S.
Clark John C.
Cote Linda G.
3m Innovative Properties Company
Smart & Biggar
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