Teknor Apex Co. has developed a group of thermoplastic elastomers targeted for personal electronic devices.
The new materials feature pleasing tactile properties, striking color and durability, which are valuable characteristics in devices such as in-ear headphones, computer mice, fitness trackers and smart watches. The Pawtucket, R.I., company claims the new TPEs resist skin oil, stains, household chemicals and UV light, and are free of latex, phthalates, bisphenol A and heavy metals.
The products are part of Teknor Apex's Monprene family of TPEs. New grades for overmolding adhere to polycarbonate, ABS and blends of the two polymers. The TPEs offer a range of surfaces, from plastic-like to rubbery and from silky smooth to easy-to-grip.
Teknor Apex used its experience in demanding TPE applications to develop TPE property combinations well suited to prolonged use in close human contact, explains Brian Mulvany, a senior manager with the company's Thermoplastic Elastomer division. The company will debut the new TPEs at the NPE 2015 trade show in Orlando, Fla., March 23-27.
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