2012
DOI: 10.1002/app.37792
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Influence of compatibilizer content on PA/NBR blends properties: Unusual characterization and evaluation methods

Abstract: NBR/PA6 blends were prepared at the melt state and with the use of masterbatches. Compatibilization with NBR-oxazoline was tested with the aim of enhancing the blend performance and to obtain more appropriated morphology. The effect of compatibilizer content was studied through the characterization of blend mechanical properties, creep behavior, swelling, PA6 phase crystallinity, morphology, and rheological properties, including pressure-volume-temperature behavior. The results show a more significant elastome… Show more

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Cited by 8 publications
(8 citation statements)
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“…A capillary rheometer is the simplest method of predicting the degree of swelling. The material is extrudate through a capillary die with a similar configuration to that of the FDM nozzle, and the swell ratio B is defined as the ration between extrudate diameter D ext and die diameter D die [17]:…”
Section: Extrudate Swelling and Viscoelasticitymentioning
confidence: 99%
“…A capillary rheometer is the simplest method of predicting the degree of swelling. The material is extrudate through a capillary die with a similar configuration to that of the FDM nozzle, and the swell ratio B is defined as the ration between extrudate diameter D ext and die diameter D die [17]:…”
Section: Extrudate Swelling and Viscoelasticitymentioning
confidence: 99%
“…O polipropileno, alguns tipos de poliamida, resina epóxi e outros polímeros também são comumente tenacificados com a adição de fases dispersas elastoméricas [13,14]. Os tipos de elastômeros que se destacam em estudos para utilização como modificadores de impacto na tenacificação de polímeros em geral são a borracha natural (NR) [8], as borrachas de copolímero de acrilonitrilo-butadieno (NBR) [20], copolímero de poli(etileno-co-propileno-co-dieno) (EPDM) [21], copolímero estireno-etileno-butileno-estireno (SEBS) [17,18,22,23], EVA [4,5,24], entre outros [7]. O ABS com uma quantidade considerável de polibutadieno na sua estrutura também é utilizado para aumentar a resistência ao impacto de outros polímeros frágeis [25].…”
Section: Elastômeros Como Modificadores De Impactounclassified
“…Por esse motivo, a maioria dos estudos que buscam a incorporação de elastômeros em poliamidas e em qualquer outro polímero com o objetivo de tenacificação envolve a análise do uso de compatibilizantes que possibilitem a interação entre as duas fases para a obtenção de boas propriedades mecânicas, comparando-as com as propriedades das blendas sem a utilização de compatibilizantes [4,5,8,10,20,21,30].…”
Section: B Compatibilização De Misturas Poliméricasunclassified
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“…In recent years, PA6/NBR blends own excellent oil resistance, high‐temperature resistance, and mechanical properties, and its research has caused wide concern . Fagundes and Jacobi et al .…”
Section: Introductionmentioning
confidence: 99%