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Polímeros

versão impressa ISSN 0104-1428

Resumo

FERREIRA, Luís Antonio S.; PESSAN, Luiz Antonio  e  HAGE JUNIOR, Elias. Mechanical and thermo-mechanical behavior of PBT/ABS polymer blends. Polímeros [online]. 1997, vol.7, n.1, pp.67-72. ISSN 0104-1428.  https://doi.org/10.1590/S0104-14281997000100011.

ABSTRACT: Polymer blends of poly(butylene terephthalate), PBT, and three grades of Acrylonitrile-Butadiene-Styrene copolymer, ABS, were studied. Polymer blends were characterized by impact resistance, tensile strength and heat deflection temperature tests. It was observed a stronger influence of the chemical composition of the ABS resin on the blends properties, mainly for the blends with higher ABS content which show better properties, than the phase composition of the ABS. It was observed that low levels of ABS in the blends promote mainly a high increase in HDT at the same level of impact resistance, as compared to neat PBT. On the other hand, low levels of PBT in the blend basically keep all the properties at the same level except the impact resistance which shows a significant decrease.

Palavras-chave : Polymer blends; PBT; ABS; mechanical properties; compatibility.

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