Synthesis of new derivatives of cellulose and other polysaccharides

A method has been developed for the synthesis of esters of cellulose and ω-amino acids and a preliminary study has been made of their properties. Experiments have been made on their modification through the reactive amino groups. The esters of ω-chlorovaleric and ω-chloroenanthic acids as well as the mixed esters of acetic and chlorovaleric acids were synthesized and the properties of this new type of cellulose esters have been investigated. Various monocarboxylcellulose amides have been synthesized. The hydrazides of the carboxylated polysaccharides were prepared, and a number of reactions were carried out with the objective of further modifying the properties of these polysaccharides. Cellulose-polyamide graft copolymers with the polyamide molecule in the side chain were prepared. The synthesis of the graft copolymers of dicarboxycellulose and polyamides of which each elementary unit of the main chain contained two side chains of low molecular polyamides were carried out.