262-266[degrees]C; (butanol); IR (KBr) 3445.47, 3310.31 [cm.sup.-1] {3713 str, hetero ring, 3680 str, link NH} ([v.sub.NH]), 3198.45 [cm.sup.-1] {3247} ([v.sub.C=N ring]), 3063 [cm.sup.-1] ([v.sub.Aromatic]), 1663.89 [cm.sup.-1] {1639} ([v.sub.C=N triazol]), (1) HNMR (300 MHz, DMSO-d6) 5 ppm: 5.1 (s, H,
Thiazine H), 7.0 (d, 2H, ArH, J = 7.9 Hz), 7.4 (m, 2H, ArH), 7.5 (d, 1H, thiazole H, J = 8.2 Hz), 7.6 (d, 1H, thiazole H, J = 8.2 Hz), 10.8, 12.2 (s, 2H, 2NH, D2O exchangeable), (13) CNMR (300 MHz, DMSO-d6) [delta] ppm: 114.6,122.2,123.7,124.6,126.8, 141.0,153.6,155.7,165.4, Anal.
Among their topics are enhancing the performance of polymeric materials through nanotechnology, edible nanocomposite films based on hydroxypropyl methyl cellulose reinforced with bacterial cellulose nanocrystals, synthesizing and characterizing silver nanoparticle sols in the presence of different polymeric stabilizers, the radiation protection properties of natural rubber composites, and a comparative study of metchromasy induced by
thiazine dyes.