INNOVATION | DESIGN
Ineos Styrolution says its Novodur Xspray ABS alloy offers good chemical resistance and excellent paint adhesion for a metallic appearance on consumer goods (relevant parts indicated by arrows)
household applications requiring a metallic appearance, such as coffee machines, air conditioner housings and top covers of washing machines. “Complementing our extended range of
material solutions, we are excited to collaborate closely with Samsung to provide the best material and best technical service and support throughout the entire project,” said ChiGyu Kang, Global Key Account Manager at Ineos Styrolution. Thermoplastic elastomers are materials that lend themselves to consumer product design. The soft-touch properties of TPEs are ideal for product features that are in contact with the user’s fingers or hand. Their flexibility makes them suited to items which are worn or manipulated in some way by the user. From the production viewpoint, TPEs are integrated easily through, for example, multi-shot injection moulding, making them a cost-effective option in material selection. Two Hexpol TPE materials are used in the new
Symbioz snowshoes from TSL Outdoor. One helps provide a cushioning function and user comfort in TSL’s Hyperflex design and its patented Sound and Shock Absorbing System, while the second compound was developed for a bi-material, comfort strap. Yoan Bibollet, R&D Engineer at TSL Outdoor,
said: “For our new ankle clamping design, we were looking for materials that offer comfort for the user while maintaining good mechanical strength. With the wide range of properties available from [Hexpol’s] Dryflex TPEs, we were confident that we would find the right materials for our specifications. The quality of Dryflex TPEs ensures the chemical
Right: Symbioz snowshoes from TSL Outdoor feature Hexpol Dryflex TPE materials
adhesion between the soft zones (for the comfort) and hard zones (for the mechanical forces). This has allowed us to develop several new applications for our outdoor products, especially in Nordic walking sticks.” The new bi-material TPE strap has also allowed
TSL Outdoor to relocate production of this part to its injection moulding site in Haute-Savoie, France. The predecessor part was made in Asia. “The relocation gives us greater flexibility and offers more customisation possibilities for special series (for example the ease of colour change), whereas our previous textile version imposed high mini- mum quantities for special colours,” said Bibollet. The creativity of designers when using plastics is shown in BabyPyke sunglasses from Belgian company Pyke. Inspired by the design of swimming goggles, the sunglasses’ design makes good use of TPE materials to help protect babies’ and children’s eyes against harmful UV radiation (the company’s name derives from “Protect Your Kid’s Eyes”). Kraiburg TPE said the frame and head- band of the BabyPyke sunglasses are injection moulded using its Thermolast M material. This has “excellent” flow proper- ties so it can fill the long cavities of the injection mould in short cycle times. It can
easily be coloured, allowing Pyke to offer the sunglasses in eight different colours. Kraiburg developed Thermolast M as a hypoallergenic material primarily for products in the medical and pharmaceutical sector. But it also complies with the
72 COMPOUNDING WORLD | March 2018
www.compoundingworld.com
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