In order to study the advances in cellulose chemistry

this article reviews：the chemical and physical structure of cellulose macromolecules

and the self-assembly structural model of cellulose; the raw materials of cellulose (bacterial cellulose

man-made synthetic cellulose

cotton

woods

grasses

leaf fibers

bast fibers and agricultural wastes)

especially bacterial cellulose and its commercial applications

and the man-made synthetic cellulose; the current research hot topics of cellulose chemistry—regioselective substitution of cellulose

new cellulose solvents

pretreatments of cellulose

the development status of the cellulose derivatives and their functional materials

the progress in regenerated celluloses

and the preparation of nano-cellulose and its surface chemical modification.With suitable raw materials

the special functional fine chemical products can be prepared through the controllable physical and chemical design of natural cellulose.Cellulose chemistry is one of the important research topics of chemical engineering for sustainable development in 21st century.