AQUEOUS HYDROGEN FLUORIDE COMPOSITIONS

A composition is provided including aqueous hydrogen fluoride; and a cross-linked copolymer comprising acrylamide units cross-linked with an acrylic acid salt. The cross-linked polymer has an average liquid aqueous hydrogen fluoride absorption capacity of less than 40 grams aqueous hydrogen fluoride...

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Bibliographische Detailangaben
Hauptverfasser:	POINTNER, Bernard E, LULY, Matthew H
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS BASED THEREON COMPOUNDS THEREOF GENERAL PROCESSES OF COMPOUNDING INORGANIC CHEMISTRY MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY NON-METALLIC ELEMENTS ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR PREPARATION OR CHEMICAL WORKING-UP THEIR RELEVANT APPARATUS TRANSPORTING USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING-UP
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Beschreibung
Zusammenfassung:	A composition is provided including aqueous hydrogen fluoride; and a cross-linked copolymer comprising acrylamide units cross-linked with an acrylic acid salt. The cross-linked polymer has an average liquid aqueous hydrogen fluoride absorption capacity of less than 40 grams aqueous hydrogen fluoride per gram of cross-linked polymer.