NEWS
Vinnolit to close PVC unit
Vinnolit is to close its paste PVC plant at Schkopau, Germany. The company said the decision “was driven by the plant’s lack of economic viability and long-term competitive sustainability”.
Customers will in future be supplied from the company’s three larger, backward-integrated sites at Burghausen, Gendorf and Cologne. �
www.vinnolit.com
Sukano masterbatches show antiviral effect
Sukano of Switzerland has developed new master- batches for PET and PA that are said to have “a strong antiviral effect on the plastic parts, while also potentially helping to reduce waste and improve the sustainability credentials of the final articles produced”. In Sukano’s technology,
an antiviral additive is integrated directly into the polymer so it is consistently present on the surface and
not released into the environment. The antiviral effect remains stable during product usage. In fibre applications, it is maintained after multiple washing cycles at 40°C without any impact on the fibres’ physical properties or yellowing, according to the company. The effect has been demonstrated against Influenza H1N1 and feline coronavirus in external tests
Domo targets pump bearings
Domo Chemicals has introduced Thermec S, a glass and mineral-filled, lubricated PPS-based material aimed at replacing sintered carbon in applica- tions such as submersible pump thrust bearings. The new material is said to combine very good abrasion and wear resistance properties with easing processing, making it suitable for both injection moulding and extrusion applications. Submersible pumps are mainly used
to extract water from below the soil for agricultural irrigation purposes. The thrust bearings are critical to perfor- mance but subject to application
temperatures of up to 200°C, high pressures, and abrasion by sand, mud and the metal housing surfaces. While sintered carbon offers out- standing wear performance at elevated temperatures and cost performance ratio, Domo said it is also brittle and hard to process. Thermec S is said to “deliver a final product with higher mechanical properties than sintered carbon samples”. �
www.domochemicals.com
Right: Domo’s Thermec
S PPS targets submersible pump bearings
Polyplastic claims a first for ESD compound
Russian compounder R&P Polyplastic has introduced Armlen PP-10AS-9010, an antistatic non-migrating PP com- pound suitable for electrostatic dis- charge (ESD) applications. The company claims to be the first local manufacturer to offer a product of this type, which it says will benefit Russian processors facing exchange rate volatility. The new grade uses conductive
12 COMPOUNDING WORLD | October 2020
carbon black to provide the required electrical conductivity with a good balance of mechanical properties. It is said to be suitable for production of plastic packaging and trays for compo- nents and microchips, transportation and storage systems, as well as pallets. The new compound joins a number
of conductive compound develop- ments at Polyplastic. Its Armamid
compounds are based on PA with low additions of Tuball Matrix single wall carbon nanotubes from OCSiAl making them suitable for electrostatic painting without the need for conduc- tive primers. The company says it will start preproduction testing of an automotive fender using the material this year. �
www.polyplastic-compounds.ru
www.compoundingworld.com
on both PET and PA in fabrics, injection moulded parts and film extrusion. More than 98% of the latter was eliminated within the first two hours and, because feline coronavirus has structures and mechanisms similar to SARS-Cov-2, applications are envisaged in personal protective equipment (PPE) and face masks for protection against COVID-19. �
www.sukano.com
IMAGE: DOMO CHEMICALS
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