Coating composition

A coating composition having (i) an aqueous dispersion of fluoropolymer particles comprising a non-melt processible polymer of tetrafluoroethylene, (ii) a fluorinated surfactant, (iii) a non-ionic non-fluorinated surfactant and (iv) a non-fluorinated polymer, wherein the fluorinated surfactant is se...

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Hauptverfasser: DADALAS MICHAEL C, SCHWERTFEGER WERNER, JUERGENS MICHAEL, ZIPPLIES TILMAN C, MAYER LUDWIG, SCHULZ JAY F, LOCHHAAS KAI H, MOORE GEORGE G. I, KASPAR HARALD, FLYNN RICHARD M, KOENIGSMANN HERBERT, MAURER ANDREAS R, HINTZER KLAUS
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:A coating composition having (i) an aqueous dispersion of fluoropolymer particles comprising a non-melt processible polymer of tetrafluoroethylene, (ii) a fluorinated surfactant, (iii) a non-ionic non-fluorinated surfactant and (iv) a non-fluorinated polymer, wherein the fluorinated surfactant is selected from fluorinated carboxylic acids or salts thereof of the general formula (I): €ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ [R f -O-L-COO - ] i X i+ €ƒ€ƒ€ƒ€ƒ€ƒ(I) wherein L represents a linear partially or fully fluorinated alkylene group or an aliphatic hydrocarbon group, R f represents a linear partially or fully fluorinated aliphatic group or a linear partially or fully fluorinated aliphatic group interrupted with one or more oxygen atoms, X i+ represents a cation having the valence i and i is 1, 2 or 3.