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12-19-2012

Antimicrobial Masterbatch

No Chance for Bacteria

With a zinc oxide-based antimicrobial masterbatch, plastics are given antibacterial properties (picture: Rowa)

The Klebsiella pneumoniae bacterium recently described by scientists contains a gene packet called NDM-1. The alarming fact is that with this gene the bacterium can form an enzyme that makes it resistant to most of today’s known antibiotics. Such multi-resistant bacteria pose a great challenge, particularly in day-to-day healthcare practice. This is because enterococci, salmonella etc. often cause dangerous infections. In hospitals, particularly, bacterial diseases that patients acquire during their stay in hospital, known as nosocomial infections, are a serious problem. This makes it all the more important to develop other ways of containing infections in addition to the use of antibiotics, for example, incorporating antibacterial substances in polymer materials.

Whether it is door handles, toilet seats or drinking cups, there are numerous plastic objects in hospitals with which patients, visitors, physicians, and nursing staff come into contact on a daily basis. Since these objects pass through many hands, they are frequently carriers of pathogenic bacteria. With a disinfecting agent already being used in production, plastics can be given long-term antibacterial properties. Tests confirm that the spread of bacteria is massively reduced in this way.

Rowa Masterbatch GmbH, Pinneberg, Germany, has now developed a very effective, zinc oxide-based, antimicrobial masterbatch known as Rowa Protect, which is suitable for both injection molding and extrusion. This masterbatch does not adversely affect the mechanical properties of the plastics used. All types of plastic can serve as a carrier for the masterbatch.

Company profile

ROWA Masterbatch GmbH

Siemensstr. 1-5
DE 25421 Pinneberg
Tel.: 04101 706-0

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