Compatibilizantes para materiales biodegradables de almidón y poli (ácido láctico) producidos por extrusión e inyección de termoplásticos

Autores/as

DOI:

https://doi.org/10.33448/rsd-v11i14.36521

Palabras clave:

Acido citrico; Anhídrido maleico; 3-metacriloxipropiltrimetoxosilano; Propiedades mecánicas.

Resumen

Los estudios que utilizan amida para la producción de materiales biodegradables también han demostrado su atractivo debido a su disponibilidad y bajo costo en comparación con los polímeros biodegradables comerciales como el poli(ácido láctico) y otros. Los materiales a base de almidón no tienen propiedades mecánicas adecuadas para la producción y el uso a escala comercial, lo que requiere mezclas con otros polímeros biodegradables para mejorar estas propiedades. Estas mezclas necesitan compatibilizadores debido a la inmiscibilidad entre la amida y el polímero. El objetivo de este trabajo es estudiar el efecto de diferentes compatibilizantes (metacrilato de 3-(trimetoxisilil)propilo, ácido cítrico y anhídrido maleico) sobre las propiedades funcionales del almidón y poli(ácido láctico) (PLA) materiales biodegradables producidos por extrusión e inyección de termoplásticos. . El ácido cítrico fue considerado el mejor compatibilizador para estos materiales, debido a su mejor procesabilidad, y los materiales tienen propiedades adecuadas para aplicaciones donde se requiere buena resistencia mecánica. Además, los materiales que contienen ácido cítrico y anhídrido maleico son más uniformes desde el punto de vista morfológico.

Biografía del autor/a

Bruno Matheus Simões, Universidade Estadual de Londrina

Phd Candidate for Food and Science Technology (Universidade Estadual de Londrina, Londrina, Paraná, Brazil)

Master's Degree in Food and Science Techonology (Universidade Estadual de Londrina, Londrina, Paraná, Brazil)

Department of Food Science and Technology, Universidade Estadual de Londrina, Londrina, Paraná, Brazil.

Fabio Yamashita, Universidade Estadual de Londrina

Department of Food Science and Technology, Universidade Estadual de Londrina, Londrina, Paraná, Brazil.

Fabiola Azanha de Carvalho, Universidade Estadual de Londrina

Department of Food Science and Technology, Universidade Estadual de Londrina, Londrina, Paraná, Brazil.

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Publicado

03/11/2022

Cómo citar

SILVA, S. C. da; SIMÕES, B. M. .; YAMASHITA, F.; CARVALHO, F. A. de. Compatibilizantes para materiales biodegradables de almidón y poli (ácido láctico) producidos por extrusión e inyección de termoplásticos . Research, Society and Development, [S. l.], v. 11, n. 14, p. e476111436521, 2022. DOI: 10.33448/rsd-v11i14.36521. Disponível em: https://rsdjournal.org/index.php/rsd/article/view/36521. Acesso em: 17 jul. 2024.

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Sección

Ciencias Agrarias y Biológicas