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News

MEDICAL DEVICE TECHNOL0GY – NEW MATERIALS

Eastman Chemical : 31 March, 2009  (Special Report)
FOCUS ZONE REPORT At Medtec UK 2009 Eastman Chemical demonstrates a new family of medical-grade clear polymers that deliver a balance of design, moulding and end-product properties for medical devices.
Medical grades of Eastman Tritan copolyester provide lipid and chemical resistance; higher heat stability; easy processing; long-term clarity; added durability and toughness; and are made without bisphenol-A (BPA) or halogens. Eastman claims the combination of properties allows the new material to perform at a level comparable to, or in many cases superior to, other polymers in the medical industry.

“Eastman Chemical has supplied a wide range of materials to medical customers for more than 65 years. Based upon our industry understanding, we are confident that the launch of Eastman Tritan copolyester in this market will provide customers with a high-quality product that provides processing and performance advantages over heritage copolyesters, polycarbonates and acrylics,” said Helen Sirett, medical business segment manager, Eastman Chemical.

The new medical grades of Eastman Tritan copolyester are well-suited for a variety of medical-device applications that demand superior chemical resistance, clarity, hydrolytic stability and retention of properties after gamma, electron beam (E-beam) and Ethylene Oxide (EtO) sterilization. Additionally, Tritan provides protection against the negative effects of common materials that can lead to environmental stress cracking and deterioration in medical environments. Possible application options include IV system components, respiratory devices and blood therapy devices.

Eastman Tritan copolyester offers an alternative to polycarbonate for extrusion blow moulded or injection molded infant care products.
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