Eastman Chemical is introducing at K 2007 a new material it describes as the most important plastic resin developed in many years. Tritan copolyester uses a new monomer (not identified) to provide a higher glass transition temperature (Tg) than traditional copolyesters. The first grade will target polycarbonate applications in housewares where the new material offers superior chemical resistance and hydrolytic stability. Three commercial applications were announced at the show: Camelbak Products, Petaluma, CA, for a re-usable sports water bottle; VitaMix Corp., Olmstead Falls, OH, for a blender container; and Carlisle Food Service Products,Oklahoma City, OK; for a commercial soup bowl. CamelBak and Vita-Mix specified the new resin in part because it contains no bisphenol-A. Tom Pecorini, senior research associate at Eastman, says the new material has comparable shrinkage rates to PC, requiring no changes to the tooling. Another benefit: Tritan has a lower density than PC, boosting yield. Eastman said it plans to extend the grade slate, but gave no details.
Ford will be the first automaker to commercially use Alcoa's tough & fast Micromill aluminum alloy process and materials, debuting on several 2016 F-150 truck components. Alcoa will also license its Micromill process and materials technology to Danieli Group.
NIST's new five-year strategic plan for its Material Measurement Laboratory lists additive manufacturing materials development as one of the main areas it will support by developing measurements, data, techniques, and models.
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