Abstract

The rapidly increasing interdisciplinary research on cellulose and cellulose derivatives, as well as the broad use of these materials, makes a basic understanding of their properties important. The surface properties of cellulose and cellulose derivatives play an important role in numerous applications. This review compiles the surface properties data reported in the literature on cellulose and its main derivatives, cellulose ethers and cellulose esters, with a focus on the surface free energy, the Lewis acid-base properties, and the Hamaker constant. Because Lewis acid-base interactions can be described using a variety of theories and/or scales, a comparison of surface properties data obtained using different acid-base scales is made and discussed. The influence of the main structural properties of cellulose and cellulose derivatives, such as the degree of polymerization, the crystallinity index, and the degree of substitution, on the surface properties of the materials is also is discussed.

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