Abstract
Chemically recycled/virgin poly(ethylene terephthalate) (PET) blends were prepared by melt blending to improve the physical properties of the chemically recycled PET. The effect of virgin PET on the mechanical and thermal properties, molecular weight, and crystallinity of the chemically recycled/virgin PET blends was investigated. The tensile strength and modulus of the chemically recycled/virgin PET blends increased with increasing virgin PET content. The crystallinity of the chemically recycled/virgin PET blends depended significantly on the recycled PET content because of the nucleation effect of the residual catalyst generated from the depolymerization of PET. The color index of the chemically recycled/virgin PET blends was also investigated to determine the color of the blends numerically.
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