EXTENDER FOR TREATMENT OF FIBER MATERIALS
The use of described of aqueous dispersions in combination with fluoropolymers for oil- and water-repellent finishing of fiber materials. These dispersions have a long shelf life and contain a composition which is preferably by reaction of polyfunctional isocyanates with a deficiency of comparativel...
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Format: | Patent |
Sprache: | eng ; spa |
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Zusammenfassung: | The use of described of aqueous dispersions in combination with fluoropolymers for oil- and water-repellent finishing of fiber materials. These dispersions have a long shelf life and contain a composition which is preferably by reaction of polyfunctional isocyanates with a deficiency of comparatively long-chain monohydric alcohols, subsequent reaction with a deficiency of a ketone oxime and final reaction with polyhydric alcohols or amino alcohols.
Se describe el uso de dispersiones acuosas en combinacion con fluoropolimeros para acabado repelente al aceite y agua de materiales de fibras. Estas dispersiones tienen una prolongada vida util en almacenamiento y contienen una composicion que se prepara por reaccion de isocianatos polifuncionales con una deficiencia de alcoholes monohidricos de cadena comparativamente larga, subsecuente reaccion con una deficiencia de una cetona oxima y reaccion final con alcoholes polihidricos o amino alcoholes. |
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