Gegen Brandgefahr durch Feuchtigkeits-einwirkung stabilisierte, Dithionite enthaltende Mischungen als Bleich- und Faerbehilfsmittel
A mixture containing a major proportion of one or more dithionites is stabilized by a minor amount of a dry, powdered, readily water-soluble synthetic polymer having a K value between 20 and 280, preferably between 40 and 50, which is not capable of reacting chemically with the dithionites under the...
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| creator | POSCHMANN FRANZ JANSON ALFONS |
| description | A mixture containing a major proportion of one or more dithionites is stabilized by a minor amount of a dry, powdered, readily water-soluble synthetic polymer having a K value between 20 and 280, preferably between 40 and 50, which is not capable of reacting chemically with the dithionites under the conditions of storage and transportation. The dithionites may be those of sodium and other alkali metals, or of zinc, or ammonium dithionite. Polymers which may be used, in amount, say, 1 to 5%, include homo- and co-polymers of (meth)acrylic acid, (meth)acrylamide, vinyl alcohol, ethylenimine, vinylpyrrolidone and acetals, and polymers of diethylaminomethylene (meth)acrylamide. The mixture may also contain carbonates, sulphates and polyphosphates. |
| format | Patent |
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The dithionites may be those of sodium and other alkali metals, or of zinc, or ammonium dithionite. Polymers which may be used, in amount, say, 1 to 5%, include homo- and co-polymers of (meth)acrylic acid, (meth)acrylamide, vinyl alcohol, ethylenimine, vinylpyrrolidone and acetals, and polymers of diethylaminomethylene (meth)acrylamide. 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The dithionites may be those of sodium and other alkali metals, or of zinc, or ammonium dithionite. Polymers which may be used, in amount, say, 1 to 5%, include homo- and co-polymers of (meth)acrylic acid, (meth)acrylamide, vinyl alcohol, ethylenimine, vinylpyrrolidone and acetals, and polymers of diethylaminomethylene (meth)acrylamide. 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The dithionites may be those of sodium and other alkali metals, or of zinc, or ammonium dithionite. Polymers which may be used, in amount, say, 1 to 5%, include homo- and co-polymers of (meth)acrylic acid, (meth)acrylamide, vinyl alcohol, ethylenimine, vinylpyrrolidone and acetals, and polymers of diethylaminomethylene (meth)acrylamide. The mixture may also contain carbonates, sulphates and polyphosphates.</abstract><oa>free_for_read</oa></addata></record> |
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| language | ger |
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| subjects | BLEACHING LEATHER OR FURS CHEMISTRY COMPOUNDS THEREOF DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS,YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS DYEING LEATHER, FURS, OR SOLID MACROMOLECULAR SUBSTANCES INANY FORM DYEING OR PRINTING TEXTILES FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR INORGANIC CHEMISTRY LAUNDERING METALLURGY NON-METALLIC ELEMENTS TEXTILES TREATMENT OF TEXTILES OR THE LIKE |
| title | Gegen Brandgefahr durch Feuchtigkeits-einwirkung stabilisierte, Dithionite enthaltende Mischungen als Bleich- und Faerbehilfsmittel |
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