Cationic polymeric fluorinated ether silane compositions and...

Details Cationic polymeric fluorinated ether silane compositions and... Cationic polymeric fluorinated ether silane compositions and...

C - Chemistry, Metallurgy

08

F

C08F 220/38 (2006.01) C08F 220/28 (2006.01) C08F 220/34 (2006.01) C08F 230/08 (2006.01) C08L 33/14 (2006.01) C08L 33/16 (2006.01) C08L 43/04 (2006.01) C09D 133/14 (2006.01) C09D 133/16 (2006.01) C09D 143/04 (2006.01)

Patent

CA 2707678

A polymer is provided comprising a first pendant group selected from at least one of a perfluorinated ether group or a perfluoroalkanesulfonamido group, a second pendant group comprising an ammonium group, wherein the second pendant group is free of silicon, and a third pendant group comprising an ammonium group and a reactive siliconcontaining group. A com-position comprising the polymer is provided. The polymer and composition are useful for protecting a substrate, for example, to render the substrate oil repellent, water repellent, or both, or to provide stain repellency to the substrate.

L'invention concerne un polymère possédant un premier groupe latéral sélectionné entre au moins un groupe éther perfluoré ou un groupe perfluoroalkanesulfonamido; un deuxième groupe latéral qui comporte un groupe ammonium, le deuxième groupe latéral étant exempt de silicium; et un troisième groupe latéral qui comporte un groupe ammonium et un groupe contenant du silicium réactif. L'invention concerne également une composition comprenant ledit polymère. Le polymère et la composition sont utiles pour protéger un substrat, par exemple, pour rendre le substrat oléofuge et/ou hydrofuge, ou le doter de propriété antitaches.

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