materials feature | Thermal conductivity


PolyOne sees strong


potential for its conductive


compounds in the growing LED lighting market


TC’s conductivity, which is in the range of 1-2 W/mK, is suffi cient for these applications, especially for hybrid designs that use over-moulded metal inserts. “For LED lighting customers, we need a balance between TC value, processability, mechanical properties, reliability and cost,” he says.


are the fi rst LED down-lights (lights that are built into the ceilings of shops, offi ces, and domestic accommo- dation) from the company with a heat sink in plastic rather than in aluminium. Stanyl TC has suffi cient thermal conductivity (up to 14


W/mK) to successfully dissipate the heat generated by the LED; DSM says that the compound also has the excellent fl ow properties common to all polyamides that enable it to be moulded into complicated shapes with high surface-to-volume ratios to enhance heat dispersion. Osram was able to reduce the weight of the housing


DSM is supplying thermally conductive PA 46 for this Osram LED down-light which is built into ceilings


by around 50% compared to aluminium. This facilitates the installation of the luminaire and enables the use of spring fi xations in the ceiling. The material complies with fl ammability requirements according to IEC and UL safety standards. As well as Stanyl TC thermally conductive polyamide 46, DSM offers TC grades of Arnite PET for automotive lighting applications, and it is now also introducing Akulon TC based on polyamide 6. This is aimed in particular at LED lighting producers looking to reduce their costs in what is becoming an increasingly competitive market. It has already been adopted by some companies in China. According to Wu Rui, application development and technical service manager with DSM in China, Akulon


More information AMI’s Conductive Plastics 2015 conference takes place on 29 June to 1 July in Düsseldorf, Germany. The programme covers developments in thermally-conduc- tive and electrically-conductive compounds and their applications. It includes speakers from 3M, Bayer, Cabot, Color2Plast, Ensinger, Grafe, HPF/Quarzwerke, Imerys, IonPhasE, Lati, Lux, Nanocyl, Outlast, Pentair Thermal Management, Premix, RTP, Sabic, Technoform, University of Warwick, and Zentrum für Brennstoffzellentechnik. Full details of the programme and booking information can be found at http://bit.ly/CP15B.


Click on the links for more information:  www.quarzwerke.com  www.ceramicmaterials.saint-gobain.com  www.imerys-graphite-and-carbon.com  www.cabotcorp.com  www.polyone.com  www.rtpcompany.com  www.ensinger-online.com  www.lehvoss.de  www.celanese.com  www.coolpolymers.com  www.lanxess.com  www.dsm.com  www.osram.com


28


COMPOUNDING WORLD | February 2015


www.compoundingworld.com


CONDUCTIVE PL ASTICS 2O15


Developing technologies and applications for electrically and thermally conductive plastics


HEADLINE SPONSOR


29th June – 1st July 2015 Hotel Nikko,


Düsseldorf, Germany


Organised by: Applied Market Information Ltd.


Fax back to: +44 (0) 117 311 1534 or Email: kl@amiplastics.com


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SPECIAL OFFER: Save €100* if you register before 15th May 2015 Also sponsored by:


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