Azo dyes

The present invention relates to an azo dye of formula (I) wherein R1 and R2 are each independently of the other -NH-(CH2CH2)-OH, -NH-CH2-CHOH-CH2-OH, -NH-(CH2CH2)-S-(CH2CH2)-OH, -NH-(CH2CH2)-NH-(CH2CH2)-OH, NH-CH2CH2-CON(CH2CH2OH)2, R3 is -CN or -CONH2, R4 is methyl or trifluoromethyl, R5 is -CF3,...

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Bibliographic Details
Main Authors LAUK URS, DREIER ROMEO
Format Patent
LanguageEnglish
Published 20.07.2005
Edition7
Subjects
ADHESIVES
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
DYES
HETEROCYCLIC COMPOUNDS
LAKES
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
MORDANTS
NATURAL RESINS
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
ORGANIC CHEMISTRY
ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES
ORGANIC MACROMOLECULAR COMPOUNDS
PAINTS
PHYSICS
POLISHES
THEIR PREPARATION OR CHEMICAL WORKING-UP
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Summary:The present invention relates to an azo dye of formula (I) wherein R1 and R2 are each independently of the other -NH-(CH2CH2)-OH, -NH-CH2-CHOH-CH2-OH, -NH-(CH2CH2)-S-(CH2CH2)-OH, -NH-(CH2CH2)-NH-(CH2CH2)-OH, NH-CH2CH2-CON(CH2CH2OH)2, R3 is -CN or -CONH2, R4 is methyl or trifluoromethyl, R5 is -CF3, -COOC2H5, R6 is hydrogen or chlorine and R7 is hydrogen, chlorine, bromine or -NO2, to a process for the preparation thereof and to the use thereof in a method of producing mass-coloured plastics or polymeric colour particles
Bibliography:Application Number: CN20038006608