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Essay / Teflon Toxicity - 1574
The “miracles of science” have given rise to an era of super materials that are unaffected by extreme conditions and provide us with many overlooked benefits that are part of our daily lives. From clothing that withstands open fire and humidity, to the gases used to power your automobile's air conditioner, to plastics that perfectly release that fried egg from the frying pan. These discoveries made by DuPont may arguably give rise to some of the most important man-made products of the 21st century. One of many products, polytetrafluoroethylene (PTFE, also called Teflon) is a synthetic fluoropolymer that can be used in a wide range of products. Its extremely low coefficient of friction and highly hydrophobic and lipophobic characteristics are highly sought after for its uses in non-stick coatings on cookware and in food packaging such as microwave popcorn bags. This characteristic is the cause of the overall effect of carbon-fluoride bonds. As almost every household uses a non-stick pan on a daily basis, the safety of such a product should have been researched and presented when it was launched. first developed in the 1940s. It took almost 50 years for real concern about PTFE pyrolysis to emerge among the public. Even today, the effects of off-gassing from PTFE still remain a mystery. Although many studies reveal that several gases are emitted, such as perfluorooctanoic acid (PFOA) and perfluoroisobutene (PFIB), the effects of these gases from a toxicological point of view still remain a mystery to the public and are not known. not regulated by the EPA. ) and perfluoroisobutene (PFIB), belong to the family of perfluorinated compounds (PFC) which refer to a class of organofluorinated compounds in which all hydrogens are replaced by fl...... middle of paper ...... tom. 2005, 22, 1023- 1031.Waritz, RS, An industrial approach to the assessment of pyrolysis and combustion risks. Perspectives on Environmental Health Vol. 11, p. 197 – 202, 1975 United States Environmental Protection Agency. Interim health advisories regarding perfluorooctanoic acid (PFOA) and perfluorooctane sulfonate (PFOS). January 8, 2009. Stewart CE Handbook on Mass Casualty Weapons and the Response to Terrorism. P.42-43. 2006.EPA.gov. PFOA Stewardship Program 2010/2015 http://www.epa.gov/oppt/pfoa/pubs/stewardship/index.html Sinclair E, Kim SK, Akinleye HB, Kannan K. Quantification of gas-phase perfluoroalkyl surfactants and alcohols Fluorotelomers released from nonstick cookware and microwave popcorn bags. About Sci Technol. 2007;41:1180-1185.Clayton JW. Toxicology of fluoroalkenes: Assessment and research needs. Environmental Health Perspective. 1977;21:255–267.