DE2839936

• Main Authors: GUENTHER, DIETER., 6233 KELKHEIM, DE, ROESCH, GUENTHER, 6232 BAD SODEN, DE, ERCKEL, RUEDIGER., 6238 HOEIM, DE, PROBST, HEINZ, 6231 SULZBACH, DE
• Format: Patent
• Language: English
• Published: 10.11.1983
• Subjects: 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

A mixture of optical brighteners has synergistic effect and consists of 98 to 50% of a mixture of 0.05 to 0.95 part of a compound and 0.95 to 0.05 part of a compound and 2 to 50% of a compound wherein X is oxygen or sulphur R and R are H, F, Cl, phenyl, alkyl, alkoxy, dialkylamino, trialkylammonium, acylamino or a free or functionally modified carboxy or sulpho group, or R and R complete a fused benzene ring, or form lower alkylene or 1,3-dioxapropylene, A is cyano, an ester or amide group, in which R is unsubstituted or substituted alkyl, -(CH2CH2O)n-R or -(CH2)m-CH=CH-R in which n is 1 to 3, m is 0 to 5 and R represents H, alkyl, alkylthioalkyl, or di-substituted aminoalkyl, or R is unsubstituted, mono- or di-substituted phenyl, B represents an unsubstituted or substituted polycyclic aromatic radical having at least three condensed rings, C represents mono- or di-substituted amino, pyrrolidino, piperidino, piperazino or morpholino, alkoxy, hydroxyalkyl, hydroxy-alkoxy, acyloxy, alkylthio or alkylcarbonylthio; and D has the meaning given for C or represents chlorine.