Composição de agentes de branqueamento redutivos, livres de fosfatos, processos para branqueamento de papel e para branqueamento redutivo de materiais de fibras, material de fibras e papel assim obtidos

Composição de agentes de branqueamento redutivos, livres de fosfatos, processos para branqueamento de papel e para branqueamento redutivo de materiais de fibras, material de fibras e papel assim obtidos

A phosphate-free, reductive bleach composition contains (a) a reductive bleach and (b) a bleach stabiliser selected from (b1) a citric acid derivative, (b2) a homo- or copolymer of ethylenically unsaturated mono- or dicarboxylic acids, (b3) a water-soluble magnesium salt and (b4) an alkali metal sal...

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Bibliographische Detailangaben
1. Verfasser: RAINER HANS TRABER
Format: Patent
Sprache:por
Schlagworte:
ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES
APPARATUS THEREFOR
BLEACHING LEATHER OR FURS
CANDLES
CHEMISTRY
COMPOUNDS THEREOF
DETERGENT COMPOSITIONS
DETERGENTS
DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS,YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS
FATTY ACIDS THEREFROM
FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
INORGANIC CHEMISTRY
LAUNDERING
METALLURGY
NON-METALLIC ELEMENTS
PAPER-MAKING
PRODUCTION OF CELLULOSE
PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS
RECOVERY OF GLYCEROL
REGENERATION OF PULPING LIQUORS
RESIN SOAPS
SOAP OR SOAP-MAKING
TEXTILES
TREATMENT OF TEXTILES OR THE LIKE
USE OF SINGLE SUBSTANCES AS DETERGENTS
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Beschreibung
Zusammenfassung:A phosphate-free, reductive bleach composition contains (a) a reductive bleach and (b) a bleach stabiliser selected from (b1) a citric acid derivative, (b2) a homo- or copolymer of ethylenically unsaturated mono- or dicarboxylic acids, (b3) a water-soluble magnesium salt and (b4) an alkali metal salt of tetraboric acid. The bleach composition is suitable for the reductive bleaching of vegetable, animal or synthetic fibres and of paper. High degrees of whiteness are achieved. At the same time, the composition is essentially environmentally compatible.