Journal
BRAZILIAN ARCHIVES OF BIOLOGY AND TECHNOLOGY
Volume 65, Issue -, Pages -Publisher
INST TECNOLOGIA PARANA
DOI: 10.1590/1678-4324-2022220141
Keywords
starch; reinforcement; film properties; casting
Categories
Funding
- Brazilian foundations CAPES
- CNPq
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This review highlights the advantages of starch as a renewable raw material in the production of biopolymers, as well as the limitations of starch-based materials and methods for improvement.
Starch is an important energy reserve polysaccharide for vegetables, found in large quantities in nature. From a renewable and low-cost source, it is considered an excellent raw material for the production of biopolymers. Biodegradable films can be obtained from different starch sources and can be an alternative to the damages caused by petroleum products, since they have the properties of conventional plastics and are easily degraded in the environment. However, starch-based films have limitations such as poor mechanical properties. To overcome this weakness, the addition of secondary additives is used to improve its resistance. This review highlights how different materials used in the production of biodegradable polymers, the importance of incorporating reinforcement content in the polymer matrix and as the main characterization techniques of bio composites.
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