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Metabolix, Inc., Cambridge, Mass., has developed a series of biobased PHA copolymers that act as impact modifiers, flexibilizers, and processing aids for rigid and flexible PVC.
Last fall’s K 2010 fair in Germany drew dozens of materials suppliers to show off hundreds of new products, aimed especially at packaging,medical, automotive, and electrical/electronics.
This first of two articles on directions in TPE development focuses on styrenic, copolyester, polyamide, and TP urethane elastomers. The following article covers olefinics—TPOs, TPVs, and POEs.
It's hailed as a breakthrough for soft-touch injection molding: Collaborative efforts by three companies have resulted in the commercialization of an SEBS-based TPE vehicle handle in which a very soft (28 Shore A) surface layer is coinjected onto a substrate of a firmer—but still soft and rubbery—60 Shore A compound.