Influence of carnauba wax on films of poly (butylene adipate co-terephthalate) and sugarcane residue for application in soil cover (mulching)

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Abstract

The population increase, urbanization and climatic change adversely affect the agricultural production have prompted actions to improve the means of production without affecting the environment. One of the actions to make the production of food more efficient and sustainable is the use of plastics in protection of crops, soils and packaging, for example. Therefore, the aim of this work was to develop flat extruded mulch films of poly (butylene adipate-co-terephthalate)/2.5 and 5.0% sugar cane residue/2.0% carnauba wax for application in soil cover and characterize them as to their chemical structure, morphology and transmittance. The FTIR results suggest that there was no chemical interaction between the components of the mulch films. SEM images and optical microscopy showed that the polymer matrix was able to cover sugarcane residues and that the carnauba wax dispersed well in the PBAT matrix. In addition, carnauba wax addition increased the transmittance of these mulch films.

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De Oliveira, T. A., Oliveira Mota, I. D., De Carvalho, L. H., Barbosa, R., & Alves, T. S. (2019). Influence of carnauba wax on films of poly (butylene adipate co-terephthalate) and sugarcane residue for application in soil cover (mulching). Materials Research, 22. https://doi.org/10.1590/1980-5373-MR-2019-0040

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