2002•PolimeryOpen access

Compatibilization, processing and properties of post-consumer PET/polyolefin blends

Andrzej Pawlak, J. Morawiec, Andrzej Gałęski

Abstract

The possibilities of poly(ethylene terephtalate) and polyolefins recycling by blending together are discussed. Two approaches are presented: use of commercial compatibilizer and formation of compatibilizer during blend preparation. It was found that for blends of recycled PET/PE-HD the most effective compatibilizer was EGMA, which improved the dispersion of the minor phase and the mechanical properties of a blend. Liquid glycidyl methacrylate in the amount 2-4 pph may be used as a component for reactive extrusion of PET/PE-HD, with formation of PE-HD-g-GMA during processing.

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Key concepts: Polyolefin, Compatibilization, Polyethylene terephthalate, Materials science, Polymer science, Composite material, Polymer blend, Polymer