Recyclability of elastomer toughened recycled poly(ethylene terephthalate): The effect of grinding-extrusion-injection moulding on the mechanical and morphological properties of the blend

Slezák, Emese; Ronkay, Ferenc; Réz, Dávid; Bocz, Katalin

doi:10.1016/j.heliyon.2024.e32096

Heliyon

2024

DOI: 10.1016/j.heliyon.2024.e32096

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Recyclability of elastomer toughened recycled poly(ethylene terephthalate): The effect of grinding-extrusion-injection moulding on the mechanical and morphological properties of the blend

Emese Slezák,

Ferenc Ronkay,

Dávid Réz

et al.

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2024

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New insights into transreaction mechanism between poly (ethylene terephthalate) and bisphenol A polycarbonate in melt

Mikhaylov,

Filatova,

Kulichikhin

2024

Polymer International

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In the present study, the macromolecular chain composition of copolymers prepared by the reactive blending of poly(ethylene terephthalate) (PET) and bisphenol A polycarbonate (PC) in the presence of Ti(OBu)4 catalyst was tested using 1H and 13C NMR spectroscopy. The NMR spectra were meticulously analyzed across all regions, revealing unexpected results that provide new insights into the transreaction mechanism occurring between these two polymers in the melt phase. It was found that only two primary reactions occurred: the formation of a bisphenol A terephthalate bond accompanied by the release of ethylene carbonate and the formation of an aliphatic–aromatic ether bond with the release of CO2. The release of ethylene carbonate during the PET‐PC blending led to a loss of ethylene glycol (EG). The kinetics of EG loss and ether bond formation were examined. A new transreaction mechanism for PET‐PC reactive blending is proposed. © 2024 Society of Chemical Industry.

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New insights into transreaction mechanism between poly (ethylene terephthalate) and bisphenol A polycarbonate in melt

Mikhaylov,

Filatova,

Kulichikhin

2024

Polymer International

View full text Add to dashboard Cite

show abstract

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Recyclability of elastomer toughened recycled poly(ethylene terephthalate): The effect of grinding-extrusion-injection moulding on the mechanical and morphological properties of the blend

Cited by 1 publication

References 36 publications

New insights into transreaction mechanism between poly (ethylene terephthalate) and bisphenol A polycarbonate in melt

New insights into transreaction mechanism between poly (ethylene terephthalate) and bisphenol A polycarbonate in melt

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