TECHICAL Series MATHEMATICS • INFORMATICS • PHYSICS Series PHILOLOGY Series ECONOMIC SCIENCES Sereies EDUCATIONAL SCIENCES Series LAW AND SOCIAL SCIENCES Series
Recovery of PET Wastes to Obtain Anticaking Additives for Nanoparticles Synthesis
(Obţinerea de aditivi antiaglomeranţi pentru sinteza nanoparticulelor pe bază de deşeuri de tip PET)
Vol LXIV • No. 3/2012
Gabriel Vasilievici*, Dorin Bomboş*, Mihaela Bomboş**
* Universitatea Petrol-Gaze din Ploieşti, Bd. Bucureşti 39, Ploieşti
e-mail: gabi.vasilievici@gmail.com
** Institutul Naţional de Cercetare-Dezvoltare pentru Chimie şi Petrochimie - ICECHIM, Splaiul Independenţei, 202, 060021, Bucureşti

 Keywords   polyethylene terephthalate waste, nanoparticles, recovery, transesterification.

 Abstract
Use of material in the form of nanoparticles have advantages due to their size, leading to a series of notable physical properties. The present study aims at obtaining dispersions of nanoparticles by precipitation method in the presence of additives obtained by using the polyethylene terephthalate (PET) waste. Six additives were synthesized by treating PET waste with DEG and DEA in alkaline homogeneous catalysis. The performance of anticaking additives were evaluated by use in the preparation of magnetite nanoparticles by precipitation method. The presence of additives obtained by using the waste PET favors reducing the average size of particles.

 Rezumat
Utilizarea materialelor sub formă de nanoparticule prezintă avantaje datorate dimensiunilor acestora, ce conduc la o serie de proprietăţi fizice remarcabile. Studiul de faţă are drept scop obţinerea de dispersii de nanoparticule prin metoda precipitării în prezenţa aditivilor obţinuţi prin utilizarea deşeurilor de tip polietilentereftalat (PET). Au fost sintetizaţi şase aditivi prin tratarea deşeurilor de PET cu DEG şi DEA în cataliză omogenă, alcalină. Performanţele antiaglomerante ale aditivilor au fost evaluate prin utilizarea la prepararea nanoparticulelor de magnetită prin metoda precipitării. Prezenţa aditivilor obţinuţi din deşeurile de PET favorizează reducerea dimensiunii medii a particulelor.



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