Tritan copolyester
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Tritan is a copolymer offered by the Eastman Chemical Company since 2007 is a transparent plastic intended to replace polycarbonate, because of health concerns about Bisphenol A (BPA).[1][2] Tritan is a copolymer made from three monomers: dimethyl terephthalate (DMT), cyclohexanedimethanol (CHDM), and 2,2,4,4-tetramethyl-1,3-cyclobutanediol (CBDO).[3] Tritan (PCTG) is made without using any BPA.
In April 2008, Nalgene announced it would phase out production of its outdoor line of polycarbonate containers containing the chemical bisphenol A.[4] Nalgene now uses Tritan as a replacement for polycarbonate, as it does not contain BPA.[5]
Health controversy
In 2011, a neurobiologist at the University of Texas, George Bittner, published an article claiming most polymers, including Tritan, contained other materials with estrogenic activity.[6]
Eastman Chemical Company sued, and after a jury ruled in Eastman's favor, the Court barred Bittner from making claims about Tritan's oestrogenic activity.[1]
Similar products
Other manufacturers have developed similar products including the French ARC International's Kwarx since 2006,[7] the German Glaskoch (Leonardo) Teqton since 2009[8] and the South-Korean SK Chemicals' Ecozen, a glycol-modified polyethylene terephthalate (PETG) since 2010/2011.[9] Other manufacturers propose polypropylene (PP)[10] or methylstyrene (MS) as alternatives to Tritan.
Tritan[11] can also refer to a type of glass originally developed by the German Schott Zwiesel AG in 2002 together with University of Erlangen–Nuremberg.[12][13] Its name is derived from titanoxide (titanium oxide in English). In 2012, the Zwiesel Kristallglas AG introduced Tritan Protect.[13][14][15]
See also
- Ceverit (a chemically hardened glass also known as Superfest and CV-Glas)
- Gorilla Glass
- Borosilicate glass (a heat-resistant glass)
References
- ^ a b Glausiusz, Josie (2014). "Toxicology: The plastics puzzle". Nature. 508 (7496): 306–308. Bibcode:2014Natur.508..306G. doi:10.1038/508306a. PMID 24740050. S2CID 4454912.
- ^ "Bisphenol A: Kunststoff mit Nebenwirkungen". www.spektrum.de (in German). Retrieved 2024-02-29.
- ^ Osimitz, T. G.; Eldridge, M. L.; Sloter, E.; Welsh, W.; Ai, N.; Sayler, G. S.; Menn, F.; Toole, C. (2012). "Lack of androgenicity and estrogenicity of the three monomers used in Eastman's Tritan copolyesters". Food and Chemical Toxicology. 50 (6): 2196–2305. doi:10.1016/j.fct.2012.02.010. PMID 22343188.
- ^ "Nalgene to Phase Out Production of Consumer Bottles Containing BPA". Reuters. 2008-04-18. Archived from the original (PDF) on 2014-04-30. Retrieved 2013-02-07.
- ^ "Nalgene Choice". Archived from the original on 2016-03-02. Retrieved 2008-09-29.
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- ^ Yang, Chun Z.; Yaniger, Stuart I.; Jordan, V. Craig; Klein, Daniel J.; Bittner, George D. (2011). "Most Plastic Products Release Estrogenic Chemicals: A Potential Health Problem That Can be Solved". Environmental Health Perspectives. 119 (7): 989–996. doi:10.1289/ehp.1003220. PMC 3222987. PMID 21367689.
- ^ Carter, Felicity (2006-05-23). "'Unbreakable' glass launched". Decanter. Retrieved 2024-02-29.
- ^ "twenty4 - erste Glasserie von LEONARDO aus dem Glasmaterial TEQTON® - Pressemeldung vom 17.08.2009". www.perspektive-mittelstand.de. Retrieved 2024-02-29.
- ^ https://www.ferroplast.com/pdf/Ecozen_Brochure.pdf
- ^ "Polypropylen statt Tritan". ISYbe die nachhaltige Trinkflasche (in German). Retrieved 2024-02-29.
- ^ register.dpma.de Brand Tritan
- ^ "Wohnen mit Glas". Handelszeitung (in Swiss High German). Archived from the original on 2023-12-29. Retrieved 2024-01-10.
- ^ a b Handelsblatt Unternehmensportrait "Schott Zwiesel – Das Kristallglas", 2012-12-18. https://www.handelsblatt.com/marken-des-jahrhunderts/unternehmensportraet-schott-zwiesel-das-kristallglas/7536832.html
- ^ "TRITAN Kristallglas - Zwiesel Kristallglas AG" (in German). 2020-09-29. Archived from the original on 2020-09-29. Retrieved 2024-01-10.
- ^ Zwiesel Kristallglas AG (ed): Zwiesel Kristallglas AG. Perfektion und Leidenschaft. Print-Consult, München 2005. pp. 31, 49.
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