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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Bibliographic Details
Main Authors POINTNER, Bernard E, LULY, Matthew H
Format Patent
LanguageEnglish
French
German
Published 27.05.2020
Subjects
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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Summary: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.
Bibliography:Application Number: EP20170858995