Post-consumer polyethylene terephthalate and polyamide 66 blends and corresponding short glass fiber reinforced composites

AUTOR(ES)

Novello, Marcus Vinicius, Carreira, Lilian Gasparelli, Canto, Leonardo Bresciani

FONTE

Mat. Res.

DATA DE PUBLICAÇÃO

16/09/2014

RESUMO

Blends of bottle-grade post-consumer polyethylene terephthalate (PET) and virgin polyamide 66 (PA66), over the complete composition range, and corresponding short glass fiber (SGF) reinforced composites were investigated. These materials were compounded in a twin-screw extruder and injection molded as standard specimens. Morphological investigation of the composites revealed that the short glass fibers have a good size distribution and are homogenously dispersed within a polymeric matrix. The PET/PA66/SGF composites showed good mechanical performance in flexural, tensile and impact tests demonstrating that the addition of SGFs to PET/PA66 blends is an interesting approach to obtaining new thermoplastic composites. In addition, this represents a potential application for post-consumer PET, an abundant and cheap material, in the well-established market of PA66/SGF composites, which are widely used in technical parts requiring high mechanical and thermal properties.

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