PROCESSING | PROCESS AIDS AND LUBRICANTS
PROCESS AIDS AND LUBRICANTS | PROCESSING
of the 35-micron grade that increases strength and toughness. Both grades can be compounded in polymers such as PC and polyamides. The company is working on reducing the
particle size of the crosslinked UHMWPE even further, and is currently at the pilot-plant stage. Another new project will look at surface modifica- tion of UHMWPE to improve adhesion with increased surface energy. The aim is to provide better dispersion and improved mechanical and tribological performance. Also new from the company are micronised wax powders that offer improved dispersion and mixing of masterbatches in polymers, compared to standard waxes. Clariant announced that it received EU Commis- sion approval in February this year for its renewable rice bran wax (RBW) additives in food-contact plastics, based on a positive safety assessment from the European Food Safety Authority (Com- pounding World March 2026 issue). The Licocare RBW 100-300 series, as well as Licocare RBW 360 Vita and RBW 560 Vita, are authorised for use as additives at up to 0.3% in PET, PLA and rigid PVC materials and articles intended for contact with non-fatty foods, for applications at room tempera- ture and below, including hot-fill and heating up to 100° C for up to two hours. The RBW additives were previously authorised by the US FDA and the Japanese food safety authority. The company noted that the wax additives
provide lubrication and mould release, as well as acting as dispersion agents and nucleating agents, in polymers including PET and other polyesters, PLA and PHA bio-based polymers, polyamides and
others. The additives are useful for a variety of applications, including beverage bottles and food containers. Clariant reported that the renewable content of the wax leads to up to a 70% reduction in product carbon footprint compared to fossil-based montan waxes. In addition, the company said that the renewable wax provides an alternative to the supply chain challenges of the traditional montan wax supply.
“Montan wax, extracted from lignite coal
deposits, faces structural supply constraints as key deposits in Germany actively deplete. Manufactur- ers have experienced supply disruptions and steady price increases, creating urgency for reliable alternatives,” Clariant reported.
CLICK ON THE LINKS FOR MORE INFORMATION: �
www.palmerholland.com �
www.baerlocher.com �
www.cargill.com �
https://daikin-america.com �
www.3m.com �
www.arkema.com �
www.dow.com �
www.evonik.com �
www.ingeniapolymers.com �
www.argus-additive.de �
www.avient.com �
www.americhem.com �
www.techmerpm.com �
www.premixgroup.com �
www.mitsuichemicals.com �
https://shamrocktechnologies.com �
www.clariant.com
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