JP2578108B

JP2578108B

Mixtures of fluorescent whitening agents consisting of 51 to 99% by weight of a symmetrically or unsymmetrically substituted first 1,4-bis(cyanostyryl)benzene and 49 to 1% by weight of an unsymmetrically substituted second 1,4-bis(cyanostyryl)benzene that differs from the first, a process for the pr...

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Bibliographische Detailangaben
Hauptverfasser: REONARUDO GUKURIIRUMETSUTEI, DEIITAA RAINEEA, KURUTO UEEBAA, HANSU RUDORUFU MEIYAA
Format: Patent
Sprache:eng
Schlagworte:
ADHESIVES
BLEACHING LEATHER OR FURS
CHEMISTRY
DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS,YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS
DYES
FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
LAKES
LAUNDERING
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
MORDANTS
NATURAL RESINS
ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES
PAINTS
POLISHES
TEXTILES
TREATMENT OF TEXTILES OR THE LIKE
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Beschreibung
Zusammenfassung:Mixtures of fluorescent whitening agents consisting of 51 to 99% by weight of a symmetrically or unsymmetrically substituted first 1,4-bis(cyanostyryl)benzene and 49 to 1% by weight of an unsymmetrically substituted second 1,4-bis(cyanostyryl)benzene that differs from the first, a process for the preparation of said mixtures by condensing terephthalaldehyde with a di(C1-C4) alkylphosphonomethylbenzonitrile to cyano-4-formylstilbene, which is further condensed, either direct or after isolation, with at least one other di(C1-C4)alkylphosphonomethylbenzonitrile, the use of these mixtures for whitening polyester fibres, and compositions containing said mixtures for whitening polyester fibres.