In this research the interaction between Nylon 6 (N6) and Recycled Polyethylene Terephthalate (RPET) have been examined. In particular the condensation reaction between ester and amine groups during the solid stating process. This has the effect of creating an in-situ compatibaliser between the two incompatible phases in the blend. Fourier Transform Infrared Spectroscopy (FTIR) and Differential Scanning Calorimetry (DSC) are the techniques used to identify the presence of the RPET/N6 copolymer. It was found that there was a copolymer formed during solid stating and that this was a time dependent reaction.
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