Process to recover hydrogen fluoride from hydrogen fluoride-polymer compositions
A method of preparing aqueous hydrogen fluoride is provided. The method includes providing a composition including a cross-linked polymer with absorbed hydrogen fluoride. The cross-linked copolymer includes acrylamide units and acrylic acid salt units. The method further includes contacting the comp...
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| creator | Pointner, Bernard E Luly, Matthew H |
| description | A method of preparing aqueous hydrogen fluoride is provided. The method includes providing a composition including a cross-linked polymer with absorbed hydrogen fluoride. The cross-linked copolymer includes acrylamide units and acrylic acid salt units. The method further includes contacting the composition with water to release at least a portion of the hydrogen fluoride from the composition to the water to form the aqueous hydrogen fluoride. |
| format | Patent |
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The method includes providing a composition including a cross-linked polymer with absorbed hydrogen fluoride. The cross-linked copolymer includes acrylamide units and acrylic acid salt units. 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| language | eng |
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| subjects | ADHESIVES AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS BASED THEREON COMPOUNDS THEREOF DYES GENERAL PROCESSES OF COMPOUNDING GLASS INORGANIC CHEMISTRY JOINING GLASS TO GLASS OR OTHER MATERIALS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MINERAL OR SLAG WOOL MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-METALLIC ELEMENTS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL POLISHES SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS THEIR PREPARATION OR CHEMICAL WORKING-UP THEIR RELEVANT APPARATUS TRANSPORTING USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING-UP |
| title | Process to recover hydrogen fluoride from hydrogen fluoride-polymer compositions |
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