Use of carboxylic perfluoropolyethers for the oleo-repellent paper sizing

Use for the oleo-repellent paper sizing of carboxylic perfluoropolyethers of formula (I) T-O-Rf-T wherein T = -CF2-COOH or -CF2CF2-COOH and Rf is a (per)fluoropolyoxyalkylene chain.

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Bibliographische Detailangaben
Hauptverfasser:	GAVEZOTTI, PIERO, IENGO, PAOLO
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON IMPREGNATING OR COATING OF PAPER MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PULP COMPOSITIONS TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
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Beschreibung
Zusammenfassung:	Use for the oleo-repellent paper sizing of carboxylic perfluoropolyethers of formula (I) T-O-Rf-T wherein T = -CF2-COOH or -CF2CF2-COOH and Rf is a (per)fluoropolyoxyalkylene chain.