Optical brighteners - for polyesters etc

Optical brighteners - for polyesters etc

Optical brighteners of formula: where R=H or Cl or 1-4C alkyl, methoxy, ethoxy, carboxyl, carbalkoxy, or (substd) carbonamide or a gp. of formula: where n =0,1, R1=H carbalkoxy, (substd) carbonamide R2=H, alkyl (substd) phenyl or R1 and R2 together form a 3-5 membered alkylene chain, X=H, Cl or a su...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HELL,PETER-MATTHIAS,DR, SCHEUERMANN,HORST,DR
Format: Patent
Sprache:eng ; ger
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:Optical brighteners of formula: where R=H or Cl or 1-4C alkyl, methoxy, ethoxy, carboxyl, carbalkoxy, or (substd) carbonamide or a gp. of formula: where n =0,1, R1=H carbalkoxy, (substd) carbonamide R2=H, alkyl (substd) phenyl or R1 and R2 together form a 3-5 membered alkylene chain, X=H, Cl or a sulphonic acid gp. Y=H, Cl, CH3 or CH3O. Used as brighteners for polyamides, cellulose esters, polyacrylonitriles and esp. polyesters.