Filamentos biodegradáveis para impressão 3D: uma revisão bibliométrica de materiais, tendências e perspetivas de sustentabilidade

Autores

DOI:

https://doi.org/10.29352/mill0222e.41695

Palavras-chave:

filamentos biodegradáveis; impressão 3D; polímeros biodegradáveis; biodegradação; sustentabilidade

Resumo

Introdução: A crescente preocupação com a sustentabilidade tem estimulado a investigação de polímeros biodegradáveis para aplicações em impressão 3D. Apesar do seu uso generalizado, os termoplásticos convencionais suscitam preocupações ambientais devido à sua elevada resistência à degradação ambiental.

Objetivo: Explorar a literatura existente sobre polímeros biodegradáveis utilizados na produção de filamentos para impressão 3D, com enfoque nas suas propriedades, condições de processamento e comportamento de biodegradação.

Métodos: Foi realizada uma análise bibliométrica com base em estudos publicados nas bases de dados Scopus e Web of Science, com o intuito de obter uma visão aprofundada sobre o desenvolvimento e as tendências nesta área. A análise foi efetuada com recurso ao software VOSviewer e ao pacote Bibliometrix em R, permitindo identificar tendências de investigação, principais autores e tópicos relevantes. Foi também aplicada a metodologia PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses), assegurando uma seleção sistemática e transparente dos estudos.

Resultados: Os resultados revelam que os principais tópicos de investigação são o ácido polilático (PLA), os compósitos e as propriedades mecânicas, refletindo esforços no sentido da melhoria dos materiais biodegradáveis. Entre as palavras-chave mais utilizadas destacam-se impressão 3D, fabrico aditivo e sustentabilidade, enquanto temas como economia circular e avaliação do ciclo de vida têm ganho crescente de atenção. Os autores mais relevantes nesta área no período (2022-2024) e artigos em análise incluem Mansingh B., Patti A., Raghunathan V. e Subramani R. Verifica-se também um interesse crescente em biopolímeros alternativos, como os poli-hidroxialcanoatos (PHB), bem como na utilização de resíduos para a produção de filamentos ecológicos.

Conclusão: Estes resultados salientam o papel dos filamentos biodegradáveis na promoção de uma impressão 3D mais sustentável. O estudo fornece uma visão abrangente do estado atual da investigação e destaca o potencial dos materiais biodegradáveis para impulsionar tecnologias de fabrico aditivo mais sustentável.

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Publicado

2026-06-01

Como Citar

Guimarães, A., Messias, S., Ferreira, T., & Gaspar, D. (2026). Filamentos biodegradáveis para impressão 3D: uma revisão bibliométrica de materiais, tendências e perspetivas de sustentabilidade. Millenium - Journal of Education, Technologies, and Health, 2(22e), e41695. https://doi.org/10.29352/mill0222e.41695

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Engenharias, tecnologia, gestão e turismo