30 июля, 2015 
Malyar Melissa G. D. Baumann and Anthony H. Conner
Forest Products Laboratory, USDA-Forest Service, Madison, Wisconsin, U. S.A.
Carbohydrates in the form of polysaccharides are readily available from all plants, the exoskeletons of various marine animals, and some microorganisms. Because up to three — fourth of the dry weight of plants consists of polysaccharides, it is not surprising that many polysaccharides are readily available at low cost. Polysaccharides, especially from plant sources, have served a variety of uses in human history, ranging from basic necessities, such as food, clothing, and fuel, to paper and adhesives.
Three major carbohydrate polymers are readily obtained from biomass and are commercially available. These polysaccharides are cellulose, starch, and gums. The use of each of these types of carbohydrate polymers in and for adhesives is discussed in this chapter.
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