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TECHNOLOGY | NANOCOMPOSITES


Right: Testing to date shows that single-wall carbon


nanotubes do not appear to cause cancer


Right: A 3D printed part produced using uDiamond filaments containing Carbodeon’s nano-diamond particles


cles and nanocomposites for applications that span healthcare, textiles, functional packaging, and beyond. “With its access to cutting-edge technolo- gies, an important scientific background and processing and characterisation equipment, the company has specialist knowledge in extrusion compounding of the materials,” says Product Development Engineer Vanessa De Wolf. “The incorporation of nanoparticles includes safety risks for which there is not enough informa- tion on long-term toxicity,” she says. “That’s why the infrastructure at Nano4 is designed to assure maximum safety for the people handling them. Nano4 provides a dust-free product, which helps the customer to have a safe access to nanotech- nology.” Nano4 is special- ised in small series compounds, with through- put rates ranging from a few kg to several hundreds of kilos per hour. Abhishek Gupta, a


Product Specialist at Intelli- gent Materials of Derabassi, India (it has a sister sales company Nanoshel in Wilmington, DE, US), says the com- pany is investigating numerous nanomaterials, including single- and multi-wall carbon nanotubes, nanofibres and nanowires, and even gold, silver, titanium dioxide, silicon dioxide, and “quantum dabs” (based in graphene). Intelligent Materials has recently developed conductive nanocompos- ites based on MWCNTs in polymers ranging from polyethylene to PEEK for various industrial applica- tions, including conductive flooring and other products with improved electrical, thermal and mechanical properties.


Improving 3D print Meanwhile, Carbodeon of Finland has developed uDiamond compounds containing its nanodia- mond additive for 3D printing by fused filament


36 COMPOUNDING WORLD | December 2018


PHOTO: CARBODEON


fabrication. The company says the materials will enable faster 3D printing, with improved mechani- cal and high temperature properties of the printed parts. The first product in the family is based on PLA (polylactic acid). Carbodeon says it has been able to retain the ease of processing of PLA in additive manufacturing systems, such as its easy bed adhesion, low warping and compatibility with ordinary brass nozzles, but has doubled the strength of printed parts and enhanced the high temperature performance. The company says that this is, in part, due to the spherical nanodiamonds acting like a lubricant so they do not increase wear or clogging of the printer nozzle. Gavin Farmer, who is responsi- ble for Business Development at Carbodeon, says: “We have been providing nanodia- mond material for several years to tailor a wide variety of mechanical and thermal properties in specific applications of various thermoset and thermo- plastic materials. We knew we could bring useful improvements to


many of the polymers used in 3D printing.”


CLICK ON THE LINKS FOR MORE INFORMATION: � www.tenasitech.com � https://nanosperse.com � https://msu.eduhttp://bit.ly/2AnvTeg Günter Beyer (LinkedIn) � www.versarien.com � www.2-dtech.com � https://xgsciences.com/ � www.eagleindinc.com � www.ocsial.com � www.cabotcorp.com � www.envigo.com � www.nano4-materials.com � www.nanoshel.com � www.carbodeon.com


www.compoundingworld.com


PHOTO: OCSIAL


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