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Materiale Plastice
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https://doi.org/10.37358/Mat.Plast.1964

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Materiale Plastice (Mater. Plast.), Year 2014, Volume 51, Issue 2,





Edina Rusen, Alexandra Mocanu, Florica Rizea, Paul O. Stanescu, Aurel Diacon, Ioan Calinescu, Marius Dragoescu Post-consumer PET Bottles Recycling III. Obtaining of unsaturated polyester resins and mechanical characterization of cross-linked materials with styrene


Abstract:
Poly(ethylene terephthalate) PET was subject to a glycolysis process using diethylene glycol (PET/DEG = 1/1 molar ratio) and zinc acetate as trans-esterification catalyst. An unsaturated polyester resin was then prepared using the glycolysis product and maleic anhydride. The molecular weights of glycolysed PET products and polyester resin were investigated using gel permeation chromatography (GPC) analysis. A cross-linking reaction of the unsaturated polyester resin was performed in the presence of styrene (different amounts) at 80°C. The compression and impact strength/resistance properties of the cured resins were determined. Keywords: PET waste, glycolysis, GPC, unsaturated polyester resin, mechanical properties



Issue: 2014 Volume 51, Issue 2
Pages:
Publication date: 2014/6/30
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