Abstract
Materials based on starch are considered attractive alternatives mainly due to their eco-friendly character. Moreover, these biopolymers not only partially replace existing plastics in several applications but also provide new materials with specific final properties. Different processing methods and their influence on starch film properties are described as well as different strategies to improve their functional properties such as thermomechanical processing, plasticization, chemical modification, incorporation of fillers, and additives or blending with other polymers and compatibilizers. These properties are compared with those of more frequently used conventional plastic films, by analyzing the advantages and drawbacks of starch based packaging materials. In this chapter technological processing methods, final properties, and future challenges of starch-based materials are discussed in order to wide their applications, bringing potential solutions to insert these products in the commercial market.
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