Characterization of Rigid Polyurethane Foam Prepared from Recycling of PET Waste
作者： Abolfazl Ghaderian , Amir Hossein Haghighi , Faramarz Afshar Taromi , Zizi Abdeen , Ali Boroomand
DOI: 10.3311/PPCH.7801
关键词: Polyol 、 Materials science 、 Polyvinyl alcohol 、 Chemical engineering 、 Blowing agent 、 Ethylene 、 Organic chemistry 、 Polyurethane 、 Methylene diphenyl diisocyanate 、 Thermal stability 、 Polymer
摘要: Poly (ethylene terephthalate) (PET) waste bottles were recycled to prepare RPUFs (rigid polyurethane foams) by using propylene glycol (PG) in different glycol/polymer molar ratios. The glycolysis products characterized, after that, they reacted with poly methylene diphenyl diisocyanate (PMDI) the presence of blowing, co-blowing and second blowing agents produce RPUFs. prepared foams characterized compared foam that is produced original polyol. It was found have possibility for fabrication proper properties depending on agent type density, also similar thermal stability one This may provide an advantage future planning recycling PET enhance mechanical PU.
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