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engineering thermoplastics | Innovation


in terms of formulation and quality,” BASF says. Spanish polyamides company Nurel is also aiming for the sustainable market. The 40-year old company, which is based at Zaragoza and is part of the Samca group, recently introduced its Inzea line of bioplastics. Based on starch and PLA, the new grades are said to be suitable for injection moulding and are aimed at replacing polyolefi ns or styrenics. The materials meet EN13432 composting requirements.


Graph showing the relative mechanical and tribological performance of Celanese Hostaform Slidex against alternatives


which is transformed into a chemical product in a standalone process, such as fermentation or chemical transformation. The renewable content can, therefore, be directly measured in the fi nal product using analyti- cal methods such as 14C analysis. However, such dedicated processes are only available for a limited number of chemicals on a production scale. The mass balance approach allows upstream


renewable feedstock content fed into the production system – in this case the BASF Verbund – to be applied to specifi c products . “With mass balance products, the bio-feedstock needed for a product is fed at the beginning of the value chain, thus mixed with fossil feedstock and processed together through the entire interlinked production. The used bio-feedstock is then allocated to a fi nal sales product according to mass balance principles,” says the company. “100% of the fossil raw materials needed to make


Ultramid B3EG6 MB are replaced with renewable raw materials at the beginning of the production process. Ultramid B3EG6 MB is identical to its fossil counterpart


Nurel also recently expanded its Promyde polyamide range with the introduction of high fl ow PA6 types with glass reinforcement levels ranging from zero to 50%. It says fl uidity is twice as high as in standard grades, enabling easier mould fi lling of large parts at process- ing temperatures up to 30-40°C lower. Also new is Promyde B30 TR P, a high performance transparent copolyamide intended for applications where the chemical and fuel resistance of polycarbonate is insuffi cient. Nurel claims the new grade is more cost effective that other available alternatives. The semi- crystalline copolymer is recommended for applications up to 60°C, including production of switches, automo- tive liquid level indicators and printer ink cartridges.


Click on the links for more information:  www.aschulman.comwww.basf.comwww.materialscience.bayer.comwww.celanese.comwww.dsmep.comwww.plastics.dupont.comwww.lanxess.comwww.lehvoss.dewww.nurel.comwww.polyplastics.comwww.sabic-ip.comwww.solvay.comwww.trinseo.comwww.toray.com


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