A chemical analytical method for quantitative determination in hydroxyethyl group of hydroxyethyl β cyclodextrin is proposed. The method consists of reacting hydroxyethyl β cyclodextrin with HI in the presence of ca...
One new hydroxypropyl hydroxyethyl starch derivative with fine thermoplasticity,of which glass temperature T g≈140℃ and flow temperature T f≈170℃,was prepared when corn starch was properly coupled with epichlorohy...