Eastman unveils new high-performance blends for medical housing market

At the Medical Design & Manufacturing East (MD&M East) trade show (June 9 to 11, 2009) in New York, Eastman Chemical Company, together with PolyOne, launched a new family of blends based on Eastman Tritan™ copolyester. The new opaque performance blends will be PolyOne's first commercial compounds made with Eastman Tritan™ copolyester and will be marketed within PolyOne's Trilliant™ HC specialty blends portfolio in North America. Tritan provides these blends with exceptional chemical resistance and hydrolytic stability, as well as competitive toughness, gloss and processability. Trilliant HC blends are well-suited for hand-held medical-device applications, such as diagnostic tools, blood-glucose meters, pulse oximeters and battery-powered feeding pumps, in which close contact with the skin and cleaning with chemicals is common. Trilliant HC blends based on Tritan are said to provide superior resistance to chemicals used in disinfectants and cleansers without cracking or crazing, and offer added toughness to medical parts, particularly hand-held medical devices that are utilized frequently and could be dropped. At the same show, Eastman also unveiled a new high-flow, medical-grade polymer - Eastman Tritan™ MX731 copolyester - to its existing family of medical-grade copolyesters. The polymer is said to have high flow processing capabilities, making it well-suited for applications with thin walls, multiple cavities and long cavitation walls. Potential application opportunities within the medical industry include IV components, dialyzer housings and cannulae. Eastman Tritan™ MX731 copolyester, which is manufactured without bisphenol-A, also maintains the positive attributes of the Tritan portfolio, including toughness, chemical resistance and hydrolytic stability.
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