ADDITIVES | BIOCIDES
Right: A keyboard cover produced using BioSafe antimicrobial additives from Gelest
environment cleaner.” Microban has taken to the internet to educate both consumers and business-decision makers with platforms such as
TheCleanerHome.com. “We find that audiences really are interested in learning what the technology does, and doesn’t do, and how to make the most effective use of treated products in their daily lives,” says Jackie Kavege, senior manager, Global Built-In Marketing at Microban.
Chemistry matters “Brands selling products that contain built-in antimicrobials seem to be marketing the benefits of their products and speaking less about the chemistry they use to create those benefits,” according to Donald J Wagner II, Technical Marketing Manager for Biosafe at Gelest and the inventor on the Biosafe patent. He says this strategy makes it more difficult to build brand awareness at the ingredient manufacturing level. He suggests, however, that consumers expect transparency from suppliers of products marketing an antimicrobial benefit. “People want to know: Where is it made? What’s in it? How safe is it for people and the environment? Interested and engaged consumers search the Internet for ingredients in food and personal care to answer these questions,” he says. Gelest’s Biosafe HM4100 antimicrobial, a
Below:
Hospitals are a key potential application area for antimicrobial additives
non-leaching additive incorporating organosilicon technology, can be used in consumer products and in food preparation. The additive recently received certification from NSF International, and is now certified to NSF-51 for use as an antimicrobial to preserve finished food contact articles. The additive already had approval from the US FDA and EPA for contact with food and drinking water at a loading of up to 1% by weight. “The NSF certification demonstrates additional
product approval to manufacturers in the commer- cial food service and processing industries, as well
as the residential kitchen market,” says Wagner. Applications include commercial food prep surfac- es, coatings, thin films, laminates, polymeric bever- age tubing and activated carbon water filter media.
Hygiene solutions Thailand-based Life Materials Technologies has expanded its range of antimicrobial additives for various targeted applications. “With the increased focus on car sharing, the global automotive industry is now actively seeking hygiene technolo- gies for polymers used in car interiors. At the same time, the automotive industry continues to seek technologies to reduce VOC emissions from plastics used in car interiors,” says Tom Ellefsen, Chief Executive of Life Materials Technologies. Life CI/AM-00-1A contains ionic silver and ionic copper that fight bacteria, and the additive also has adsorbent activity that scavenges the polymer compound for volatile organic compounds, which are immobilised in the additive and not released into the air, explains Ellefsen. Antimicrobials play a crucial role in medical and
healthcare plastics, but Ellefsen says that cost is a barrier. Its Life DS/R-00-1A is a new silver-based antimicrobial additive that can be used in medical polymers, such as PC and ABS, at half the dosage rates for competing additives, dramatically reduc- ing cost, he says. The additive has already been registered for use in the US, and registration in the EU is expected by the end of the year. Earlier this year, Velox became the exclusive distributor for Life Materials Technologies for most European countries. Key application markets include home appliance goods, bathware prod- ucts, and textiles, according to Stefan Rokitta, Product Manager at Velox. Parx Plastics says its patented, non-migrating
antimicrobial technology is based on elemental zinc. Earlier this year, the company added E0020
36 COMPOUNDING WORLD | July 2018
www.compoundingworld.com
PHOTO: SHUTTERSTOCK
PHOTO: GELEST
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