EFFECT OF DYE STRUCTURE ON AFFINITY FOR FIBERS 119 



SO2NH2 



AFFINITY 



POOR 



r^-NH-^ 



•SOgNH-CHgCHgOH 



OgN 



POOR 



r\.„^_r\_ 



NH— (' ^-S02NHC6H5 

 I 



Fig. 4 



OoN 



0000 



CI 



I 



r^-N=N-/ \-N=N-/l 



I 



HO 



DYES RAPIDLY 



M.W. 

 337 



DYES SLOWLY 

 Fig. 5 



340 



