
Keywords: a-PS; atactic polystyrene; i-PS; isotactic polystyrene; s-PS; syndiotactic polystyrene; PMS; poly(4-methylstyrene); PMOS; poly(4-methoxystyrene); PtBS; poly(4-tert-butylstyrene); PClS; poly(4-chlorostyrene); PBrS; poly(4-bromostyrene); a-PMMA; atactic pol