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On TWIST, This Week in Sustainability, we discuss the green pros and cons of the entire range of consumer products and everything in them, to help you choose the right stuff to buy and recycle. We’ll discuss: Appliances, Batteries, Buildings, Carpet, Cleaning Products, Clothing, Computers, Disinfectants, Food, Flame Retardants, Fuels, Medicine, Packaging, Paint, Pesticides, Plastic, Personal Care products, Phones, Photovoltaics, and maybe even tilt at Windmills. We'd love to have your suggestions for topics or guests: twist.sustainability@gmail.com! Hosted by Felicia Etzkorn, Professor of Chemistry at Virginia Tech (https://chem.vt.edu/people/faculty/teaching-and-research/fetzkorn.html) and author of Green Chemistry: Principles and Case Studies, with co-host Jamie Ferguson, Professor of Chemistry at Emory & Henry College (https://www.ehc.edu/live/profiles/341-jamie-ferguson). Music was created and performed by Wendy Godley.
Episodes
Sunday Nov 29, 2020
Sunday Nov 29, 2020
In which, with our guest, Dr. Arlene Blum (www.arleneblum.com) of the Green Science Policy Institute at the University of California, Berkeley, we discuss the toxicity of flame retardants in children’s products, furniture, and her success in changing the standards for these products so that flame retardants are unnecessary to prevent the most common smoldering fires. Flame retardants are still found in TVs. Then host Felicia Etzkorn and co-host Jamie Ferguson discuss a paper about the flammability of cotton and synthetic fabrics, including the limiting oxygen index (LOI), the heat release capacity (HRC), and the peak heat release rate (PHRR), as well as a potential less toxic flame retardant, sodium hypophosphite with succinic acid.
Green Science Policy Institute: https://greensciencepolicy.org
Six Classes Videos: https://www.sixclasses.org/videos
Stapleton HM, Klosterhaus S, Keller A, Ferguson PL, van Bergen S, Cooper E, Webster TF, Blum A (2011) Identification of Flame Retardants in Polyurethane Foam Collected from Baby Products. Env. Sci. Tech.45:5323-5331. https://pubs.acs.org/doi/10.1021/es2007462
Blum A, Gold MD, Ames BN, Jones FR, Hett EA, Dougherty RC, Horning EC, Dzidic I, Carroll DI, Stillwell RN, Thenot JP (1978) Children absorb tris-BP flame retardant from sleepwear: urine contains the mutagenic metabolite, 2,3-dibromopropanol. Science 201:1020. https://science.sciencemag.org/content/sci/201/4360/1020.full.pdf
Yang CQ, He Q, Lyon RE, Hu Y, Investigation of the flammability of different textile fabrics using micro-scale combustion calorimetry, Polym. Degrad. Stab. 95 (2010) 108e115. www.sciencedirect.com/science/article/pii/S0141391009004108
Post-note: N-methylol containing flame retardants like MDPA are associated with formaldehyde release. https://ui.adsabs.harvard.edu/abs/2017SRL....2450114Y/abstract
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