Nanofiller Presence Enhances Polycyclic Aromatic Hydrocarbon (PAH) Profile on Nanoparticles Released during Thermal Decomposition of Nano-enabled Thermoplastics: Potential Environmental Health Implications.
作者： Dilpreet Singh , Laura Arabella Schifman , Christa Watson-Wright , Georgios A. Sotiriou , Vinka Oyanedel-Craver
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摘要: Nano-enabled products are ultimately destined to reach end-of-life with an important fraction undergoing thermal degradation through waste incineration or accidental fires. Although previous studies have investigated the physicochemical properties of released lifecycle particulate matter (called LCPM) from decomposition nano-enabled thermoplastics, critical questions about effect nanofiller on chemical composition LCPM still persist. Here, we investigate potential effects profiles 16 Environmental Protection Agency (EPA)-priority polycyclic aromatic hydrocarbons (PAHs) adsorbed thermoplastics. We found that presence in thermoplastics significantly enhances not only total PAH concentration but most importantly also high molecular weight (HMW, 4–6 ring) PAHs considerably more toxic than low (LMW, 2–3 PAHs. This nano-specific was confi...
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