2015
DOI: 10.1590/0104-1428.2022
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Avaliação de sistemas pró-degradantes na degradação termooxidativa do PEAD

Abstract: ResumoSistemas pró-degradantes fundamentados em estearatos de ferro e de manganês e o aditivo comercial d2w, fundamentado em sal orgânico de manganês, foram avaliados em filmes de polietileno de alta densidade (PEAD) em ambiente termooxidativo (estufa a 80 °C e ausência de luz). A degradação termooxidativa foi monitorada por propriedades mecânicas, espectroscopia de infravermelho e cromatografia por exclusão de tamanho. Os resultados mostram que ambos os metais aceleram a degradação termooxidativa do PEAD. Ent… Show more

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Cited by 4 publications
(1 citation statement)
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References 33 publications
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“…Based on the concept of an “environmentally correct product,” the market offers pro-degradant materials that accelerate degradation. 48 Costa et al 49 studied the degradation of low-density polyethylene (LDPE) films added with 0.2% (of the weight) of cobalt stearate. The films were processed in a single screw extruder and subjected to accelerated aging for 250 h at 58°C.…”
Section: Introductionmentioning
confidence: 99%
“…Based on the concept of an “environmentally correct product,” the market offers pro-degradant materials that accelerate degradation. 48 Costa et al 49 studied the degradation of low-density polyethylene (LDPE) films added with 0.2% (of the weight) of cobalt stearate. The films were processed in a single screw extruder and subjected to accelerated aging for 250 h at 58°C.…”
Section: Introductionmentioning
confidence: 99%