materials round-up | Polyolefin additives and compounds


Conferences to cover polyolefins


AMI is hosting a new conference called Polyole- fin Performance in Philadelphia, Pennsylvania, USA on 23-24 September 2014. This will focus on the latest technology, market and application develop- ments for polyolefin resins and compounds. If you are interested in


attending, speaking, sponsoring or exhibiting at this event, then please visit http://bit.ly/PolyPerf for more details and contact information Meanwhile, AMI’s


established European event for this sector – Polyolefin Additives – returns to Germany on 28-30 October 2014. This year’s event will be held in Cologne and will also cover developments in polyethylene and polypro- pylene resins, as well as innovative additive and compounding technologies. For more information on participating in this conference as an attendee, speaker, exhibitor or sponsor, please visit http://bit.ly/PolyAdd for full details. The two events will cover


key industry issues, such as sustainability and shale-gas feedstocks. In addition, they will address trends in a wide range of end-use markets for polyolefins including the packaging, automotive, construction and agricultural sectors. ❙ www.amiconferences.com


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Black pigments keep carpets and textiles cool


Clariant launched its new Remafin Cool black master- batches last month. They are formulated to reflect heat- generating near-infrared light rays so that carpeting stays cooler. Light in the visible spectrum is absorbed ensuring that colour develop- ment is comparable to that of standard pigments. Polypropylene carpet yarns made with new Cool Black masterbatches are said to be ideal for carpeting used outdoors on decks or boats where the heat of the sun can make dark surfaces uncom- fortable to walk on. Outdoor carpeting stays up to 10˚C cooler, according to Clariant. The same masterbatch


technology can also be applied in textile applications, such as apparel and upholstery, and in


Clariant’s new masterbatch can keep carpets and fabrics cooler when exposed to the sun


other resins, including polyester and nylon. It was originally developed in Clariant’s facility in Dalton, Georgia, USA, but is being made available worldwide. “Black pigments that


reflect the sun’s heat have been used in other applica- tions,” says Peter Prusak, head of marketing at Clariant


Masterbatches North America. “However, carpet fibres are so thin that pigments must be thoroughly dispersed or else agglomerates can create problems in the fibre spinning process. We believe this is the first time Cool Black technol- ogy has been available to producers of carpet fibre.” ❙ www.clariant.com


Processing aid gains food approval


Silicones specialist Wacker has added Genioplast Pellet P Plus to its range of processing aids. Unlike its existing Genioplast Pellet S, intended for technical applications, the new grade is approved for food contact. It can be used for various thermoplastics, polyolefins among them, since


the carrier material is a pyrogenic silica compatible with all thermoplastics. Silicones reduce friction


effects and improve the flow properties of the polymer melt. Wacker says that, compared with organic additives, silicone additives have a very low surface energy and a high level


of activity at phase boundaries. Genioplast Pellet P Plus


contains around 70% by weight of a non-crosslinked ultra- high-molecular linear silicone polymer. As little as 0.1 to 1.0% is sufficient to improve processability. Improved plastics properties can be achieved with 1 to 5%. Wacker says that Genioplast


additives give thermoplastic compounds smooth, scratch- resistant surfaces, without impairing tensile strength, hardness or dimensional stability under heat. ❙ www.wacker.com


COMPOUNDING WORLD | February 2014 www.compoundingworld.com


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