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Brazilian Applied Science Review
Article . 2020 . Peer-reviewed
Data sources: Crossref
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Incorporação de PET pós-consumo em misturas de PEAD virgem compatibilizadas / Incorporation of post-consumer PET into virgin PEAD compatible blends

Authors: Rodrigues, Nathalia de Paiva; Líbano, Elaine Vidal Dias Gomes; Bastos, Daniele Cruz; Pereira, Patricia Soares da Costa;

Incorporação de PET pós-consumo em misturas de PEAD virgem compatibilizadas / Incorporation of post-consumer PET into virgin PEAD compatible blends

Abstract

O politereftalato de etileno (PET) é um dos principais constituintes dos resíduos sólidos urbanos. A reciclagem de refugos é um processo estratégico que viabiliza a expansão do mercado de plásticos, podendo gerar novos produtos, além de minimizar o impacto ambiental causado pelo descarte incorreto das embalagens PET. A obtenção de blendas poliméricas com as poliolefinas é uma alternativa nesse processo. Entretanto, o PET e as poliolefinas são imiscíveis, formando blendas com baixa adesão interfacial, tendo-se a necessidade de compatibilização. Nesse contexto, o presente trabalho avaliou a influência de diferentes teores do compatibilizante polietileno de alta densidade graftizado com anidrido maleico (PEAD-g-MA), 5 e 10% m/m, nas propriedades físico-mecânicas, térmicas, estruturais e reológicas de blendas de PEAD virgem e PET pós-consumo (80/20) preparadas em extrusora mono-rosca. A adição do PET e do compatibilizante promoveram mudanças nas propriedades físico-mecânicas dos materiais. A técnica de espectroscopia na região do infravermelho mostra uma possível ocorrência de trans-reações nas misturas compatibilizadas. As análises termogravimétrica e dinâmico-mecânica indicam a imiscibilidade das blendas.

Related Organizations
Keywords

PEAD, PET pós-consumo, blendas e compatibilizante.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
1
Average
Average
Average
Green
bronze