Compatibilizantes para materiais biodegradáveis de amido e poli (ácido lático) produzidos por extrusão e injeção termoplástica

Autores

DOI:

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

Palavras-chave:

Polímeros biodegradáveis; Ácido cítrico; Anidrido Maleico; 3-metacriloxipropiltrimetoxisilano; Propriedades mecânicas.

Resumo

Estudos utilizando amido para a produção de materiais biodegradáveis ​​têm se mostrado atrativos devido à sua disponibilidade e baixo custo em relação aos polímeros biodegradáveis ​​comerciais, como o poli (ácido lático) e outros. Os materiais à base de amido não apresentam propriedades mecânicas adequadas para produção e uso em escala comercial, necessitando de misturas (blendas) com outros polímeros biodegradáveis ​​para melhorar essas propriedades. No entanto, essas blendas necessitam de compatibilizantes devido à imiscibilidade entre o amido e o polímero. O presente trabalho teve como objetivo estudar o efeito de diferentes compatibilizantes (3- metacriloxipropiltrimetoxisilano, ácido cítrico e anidrido maleico) sobre as propriedades funcionais de materiais biodegradáveis de amido e poli (ácido lático) (PLA) produzidos por extrusão e injeção termoplástica. O ácido cítrico foi considerado o melhor compatibilizante para esses materiais, pois melhorou a processabilidade, e os materiais apresentaram propriedades adequadas para aplicações onde se exige boa resistência mecânica. Além disso, os materiais contendo ácido cítrico e anidrido maleico foram mais uniformes do ponto de vista morfológico.

Biografia do Autor

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

Como Citar

SILVA, S. C. da; SIMÕES, B. M. .; YAMASHITA, F.; CARVALHO, F. A. de. Compatibilizantes para materiais biodegradáveis de amido e poli (ácido lático) produzidos por extrusão e injeção termoplástica . 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: 26 nov. 2024.

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Seção

Ciências Agrárias e Biológicas