ELECTRICAL & ELECTRONIC | MATERIALS


ties in LED lighting, for automotive and non-auto- motive, at the Strategies in Light 2018 show in Long Beach, California, USA, in February. But its empha- sis was not so much on PC as on PVC, with its very good flame retardance. Resilience LS Vinyl Poly- mers, introduced in April 2017 and developed specifically for LED lighting applications, are the newest additions to PolyOne’s flame-retardant innovation platform. These specialty polymers are formulated to meet UL flame rating standards while also providing anti-yellowing performance, protection from chemicals and “outstanding” clarity, PolyOne says. Jim Mattey, Marketing Director, Performance


Products and Solutions at PolyOne, says: “We are at the forefront of helping LED lighting manufacturers innovate by increasing performance and durability, expanding design options, and streamlining production. “Our highly weatherable housing materials offer superior protection for LEDs and their associated electronics. And thin-wall, flame retardant lens materials provide excellent protection from chemicals and impact.”


Colour can be critical Trinseo says its Magnum ABS has been receiving growing attention from the consumer electronics industry because of its colourability. “In our new world of electronics, colour is becoming increas- ingly important not only because of its aesthetic and brand building appeal, but it also provides an important indicator of function,” the company says. Trinseo’s proprietary mass polymerisation technol- ogy produces an ABS that is whiter than types made via other routes such as emulsion polymeri- sation. Lot-to-lot consistency is also high and VOCs are low. Trinseo produces ABS in the US, Europe and Asia Pacific and began production at its facility in Zhangjiagang, China late last year. Also emphasizing the importance of colour is


Solvay. Late last year it launched Ixef 1524 RD 001, a halogen-free flame retardant (HFFR) 50% glass fibre reinforced polyarylamide (PARA) grade that is colour matched to signal orange for high-perfor- mance electrical vehicle (EV) recharge connectors. It is globally available in consistent RAL 2010 colour tonal stability, which Solvay saves costly time and labour normally required for colour matching. Thomas Kohnert, Global Product Manager for Ixef and other high-performance polyamides for Solvay’s Specialty Polymers Global Business Unit, says the new grade combines a well-balanced level of high stiffness and impact strength with very low creep and high temperature resistance. The grade also has


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high flow, which enables complex designs and walls as thin as 0.5 mm. Ixef grades in general also deliver a resin-rich and high-gloss surface finish. On a related note, clearly it is not just flame


retardants that an increasing number of specifiers want to have reduced halogen content: they are looking at the pigments too. Clariant says it has developed a specific range of organic pigments and polymer soluble dyes with controlled low halogen content. They additionally provide official certification based on laboratory tests, which show that their pigments contain a lower level of halogens than directed by the RoHS (Restriction of Hazardous Substances) Directive. They also comply with IEC 61249-2-21. The colourants can be used in a variety of polymers. Some are suitable for polyamides and PBT. PV Fast Orange 6RL, a high-performance pigment highly suitable for PBT EV charging connectors, is one of these low halogen colourants. Its high chroma allows to create a typical orange colour to identify high-voltage automotive charg- ing connectors.


CLICK ON THE LINKS FOR MORE INFORMATION: � www.domochemicals.com � www.lati.com � www.ascendmaterials.com � www.dsm.com � www.radicigroup.com � www.lanxess.com � www.polyplastics.com � www.dow-dupont.com � www.sabic.com � www.polyone.com � www.trinseo.com � www.solvay.com � www.clariant.com


March 2018 | INJECTION WORLD 35


Above: Bezel designs for LED headlamps are increasingly complicated


PHOTO: MERCEDES BENZ


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