Official Journal of the Japan Wood Research Society
From: A novel polymeric fluorescent brightener agent based on 4,4′-diamino-stilbene-2,2′-disulfonic acid-triazine structure: synthesis, characterization, photo-property, and performance on paper as light stabilizer, fluorescent brightener, and surface-sizing agent
Cis isomers λ A (nm)
Trans isomers λ A (nm)
λ F (nm)
Δσ (cm−1)
Φ F
E F
FBD
–
353
432
5020.9
0.261
0.215
PFBD
373
443
4823.9
0.471
0.388