| abstract |
COMPOUND OF THE FORMULA: 2-(B(+)-X-),6-(R-O-)-2,3-DIHYDRO-1H-BENZ(DE)ISOQUINOLINE- 1,3-DIONE A(-) IN WHICH R IS AN ALKYL RADICAL, OR A HYDROXY, OR ALKOXY SUBSTITUTED ALKYL RADICAL, SAID ALKYL HAVING ONE TO FOUR CARBON ATOMS, X IS A DIRECT LINKAGE OR P-PHENYLENE,B& IS AN N&-(LOWER ALKYL) CYCLOAMMONIUM GROUP IN WHICH THE CYCLOAMMONIUM GROUP IS TRIAZOLIUM CARBON ATOMS TO X THROUGH A CARBON ATOM, THE REMAINING CARBON ATOM IN B& BEING UNSUBSTITUTED OR SUBSTITUTED BY CHLORINE, LOWER ALKYL, PHENYL, OR METHYLTHIO GROUPS, AND A& IS A COLOR MONOVALENT ANION. THESE COMPOUNDS CAN BE USED AS FLUORESCENT BRINGHTENING AGENTS FOR FIBERS BASED ON ACRYLONITRILE POLYMERS OR COPOLYMERS. |