Svetlana Z. Rogovina , Galina A. Vikhoreva , Tatyana A. Akopova , Irina N. Gorbacheva and Sergey N. Zelenetskii
Reactions of chitosan with stearic, oxalic, malonic and succinic acids and with phthalic, succinic and maleic anhydrides in the solid phase under shearing deformation conditions give the corresponding chitosan derivatives.