ABSTRACT

Cellulose is one of the most important natural polymers, a key source of sustainable materials on industry, and an almost inexhaustible raw material. Natural cellulose based materials have been used by our society for thousands of years and their use continues today. The irst example was the fabrication of regenerated cellulose ilaments by spinning a solution of cellulose in a mixture of copper hydroxide and aqueous ammonia [1]. The chemical modiication of cellulose on an industrial scale led to a broad range of products based on cellulose. Since then the isolation, characterization, and search for applications of novel

forms of cellulose, variously termed crystallites, nanocrystals, and whiskers, is generating much activity.