Synthesis and flocculation behavior of cationic konjac glucomannan containing quaternary ammonium substituents

Preparation of cationic starch containin

Preparation of cationic starch containing quaternary ammonium substituents by reactive twin-screw extrusion processing

✍ M. E. Carr 📂 Article 📅 1994 🏛 John Wiley and Sons 🌐 English ⚖ 518 KB

Cationic starch, an important additive for papermaking and other uses, was prepared from native cornstarch and 3-chloro-2-hydroxypropyltrimethylammonium chloride in aqueous sodium hydroxide using a twin-screw extruder as the reactor. The effects of physical and chemical reaction variables on reactio