DISPERSIONEN VON OPTISCHEN AUFHELLERN

Dispersions of optical brighteners containing (a) 5-60 wt% optical brightener of formula (I) as the free acid, X1, X2, Y1, Y2 = NH2, prim. or sec. amine residue, optionally branched alkoxy, or phenoxy; (b) 0.01-3 wt% polyhydroxy compound, (c) water and optionally (d) other additives. Also claimed ar...

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Bibliographic Details
Main Authors ROHRINGER, PETER, TRABER, RAINER HANS, RUF, PETER, ENGELHARDT, THOMAS
Format Patent
LanguageGerman
Published 15.11.2003
Edition7
Subjects
ADHESIVES
CHEMISTRY
COMPOSITIONS BASED THEREON
DYES
IMPREGNATING OR COATING OF PAPER
LAKES
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
MORDANTS
NATURAL RESINS
ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES
ORGANIC MACROMOLECULAR COMPOUNDS
PAINTS
PAPER NOT OTHERWISE PROVIDED FOR
PAPER-MAKING
POLISHES
PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D
PRODUCTION OF CELLULOSE
PULP COMPOSITIONS
TEXTILES
THEIR PREPARATION OR CHEMICAL WORKING-UP
TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Summary:Dispersions of optical brighteners containing (a) 5-60 wt% optical brightener of formula (I) as the free acid, X1, X2, Y1, Y2 = NH2, prim. or sec. amine residue, optionally branched alkoxy, or phenoxy; (b) 0.01-3 wt% polyhydroxy compound, (c) water and optionally (d) other additives. Also claimed are (i) compositions containing (I) for coating paper and for brightening fibre dispersions in paper production, and (ii) paper obtained by the use of (I) as above.
Bibliography:Application Number: AT19970810722T