Fluorochemical compounds, compositions, articles, and methods

A fluorinated compound comprising: (i) a fluorochemical oligomeric portion comprising an aliphatic backbone comprising polymerized (meth)acrylate monomeric units, each having a perfluorinated terminal C4-C6 aliphatic group, and an organic residue obtained by removing a hydrogen atom from a functiona...

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Bibliographische Detailangaben
Hauptverfasser:	DAMS, RUDOLF JOZEF, JARIWALA, CHETAN PRABODH, COPPENS, DIRK MAURICE
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES FILLING PASTES INKS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	A fluorinated compound comprising: (i) a fluorochemical oligomeric portion comprising an aliphatic backbone comprising polymerized (meth)acrylate monomeric units, each having a perfluorinated terminal C4-C6 aliphatic group, and an organic residue obtained by removing a hydrogen atom from a functionalized chain transfer agent, wherein: the polymerized (meth)acrylate units are present in a molar ratio of at least 6:1 relative to the functionalized chain transfer agent; and the (meth)acrylate units comprise 0-30 mole-% acrylate units and 70-100 mole-% methacrylate units; (ii) a fluorine-free hydrocarbon moiety; (iii) a di-, tri-, or polymeric isocyanate-derived linking group; and (iv) a group that imparts a durable property when the compound is applied to a fibrous substrate.