Research Article

Effect of Phosphoric Acid Concentration on the Optical Properties of Partially Phosphorylated PVA Complexes

Figure 7

Schematic diagram of PPVA molecular structures: (a) monomer PPVA; (b) isotactic PPVA; (c) syndiotactic PPVA; and (d) atactic PPVA.
(a) Monomer PPVA
(b) Isotactic PPVA (i-PPVA)
(c) Syndiotactic PPVA (s-PPVA)
(d) Atactic PPVA (a-PPVA)