2010
DOI: 10.1590/s0104-14282010005000051
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Abstract: Resumo: Foram desenvolvidos dispositivos para obtenção de fitas extrudadas de blendas poli(tereftalato de butileno)/terpolímero acrilonitrila-butadieno-estireno (PBT/ABS), que serviram para correlacionar diretamente as condições de preparação destas blendas em extrusoras com rosca dupla corotacional e interpenetrante (ERDCI) com as suas propriedades. Quando compatibilizada com terpolímero reativo metacrilato de metila-co-metacrilato de glicidila-co-acrilato de etila (MGE), a blenda ternária PBT/ABS/MGE apresen… Show more

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Cited by 6 publications
(9 citation statements)
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“…It is observed that a low breaking of the agglomerates into smaller particles occurred, showing that the breaking and coalescence process entered into equilibrium, and the smaller particles were not completely separated. In the PBT/ABS (70/30) blends compatibilized with MGE, the separation in smaller particles was clearly verified [6][7][8] . Table 2 shows that the blends processed at 120 rpm presented a higher dispersion degree than those processed at 240 rpm.…”
Section: Resultsmentioning
confidence: 83%
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“…It is observed that a low breaking of the agglomerates into smaller particles occurred, showing that the breaking and coalescence process entered into equilibrium, and the smaller particles were not completely separated. In the PBT/ABS (70/30) blends compatibilized with MGE, the separation in smaller particles was clearly verified [6][7][8] . Table 2 shows that the blends processed at 120 rpm presented a higher dispersion degree than those processed at 240 rpm.…”
Section: Resultsmentioning
confidence: 83%
“…High rotation speeds also provide higher shear rates on the PBT/ABS blend. The ABS (Cycolac 36360) contains 50% of polybutadiene and exhibits a high pseudoplastic behavior with flow index (n) of 0.20 at 250 °C 8 . Polymers with low flow index reduce the viscosity more rapidly with increased shear rate, and therefore better conditions can be generated for the dispersive and distributive mixtures of the dispersed phase.…”
Section: Resultsmentioning
confidence: 99%
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