| abstract |
PROCESS FOR THE PRODUCTION OF STABLE AQUEOUS DISPERSIONS OF SPARINGLY WATER-SOLUBLE OPTICAL BRIGHTENING AGENTS, CHARACTERISED IN THAT ASSOCIATION COMPLEXES OF THESE BRIGHTENING AGENTS AND LOW-MOLECULAR COMPLEX FORMERS ARE INTRODUCED INTO AQUEOUS SOLUTIONS OF POLYMERIC COMPOUNDS, WHICH MAY CONTAIN SURFACE-ACTIVE AGENTS, WHEREIN SUCH OPTICAL BRIGHTNERS ARE PREFERABLY USED, WHOSE ASSOCIATION COMPLEXES WITH 1,3-DINITROBENZENE EXHIBIT IN A DIOXAN SOLUTION CONTAINING THE BRIGHTENING AGENT IN A 10-3MOLAR AND 1,3-DINITROBENZENE IN A 2.7-MLAR CONCENTRATION AT 20*C. AND A LAYER THICKNESS OF 1CM. A $$M-VALUE OF BETWEEN 5.10-3 AND 600.10-3. |