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Int. J. Mol. Sci. 2015, 16(8), 20050-20066; doi:10.3390/ijms160820050

Development of a New Monomer for the Synthesis of Intrinsic Antimicrobial Polymers with Enhanced Material Properties

1
Institute of Construction and Functional Materials, University of Applied Sciences Münster, Stegerwaldstraße 39, 48565 Steinfurt, Germany
2
Institute of Animal Science, University Bonn, Katzenburgweg 7-9, 53113 Bonn, Germany
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Academic Editor: Antonella Piozzi
Received: 25 June 2015 / Revised: 13 August 2015 / Accepted: 17 August 2015 / Published: 24 August 2015
(This article belongs to the Special Issue Antimicrobial Polymers 2016)
View Full-Text   |   Download PDF [2393 KB, uploaded 24 August 2015]   |  

Abstract

The use of biocidal compounds in polymers is steadily increasing because it is one solution to the need for safety and hygiene. It is possible to incorporate an antimicrobial moiety to a polymer. These polymers are referred to as intrinsic antimicrobial. The biocidal action results from contact of the polymer to the microorganisms, with no release of active molecules. This is particularly important in critical fields like food technology, medicine and ventilation technology, where migration or leaching is crucial and undesirable. The isomers N-(1,1-dimethylethyl)-4-ethenyl-benzenamine and N-(1,1-dimethyl-ethyl)-3-ethenyl-benzenamine (TBAMS) are novel (Co-)Monomers for intrinsic anti-microbial polymers. The secondary amines were prepared and polymerized to the corresponding water insoluble polymer. The antimicrobial activity was analyzed by the test method JIS Z 2801:2000. Investigations revealed a high antimicrobial activity against Staphylococcus aureus and Escherichia coli with a reduction level of >4.5 log10 units. Furthermore, scanning electron microscopy (SEM) of E. coli. in contact with the polymer indicates a bactericidal action which is caused by disruption of the bacteria cell membranes, leading to lysis of the cells. View Full-Text
Keywords: monomer; antimicrobial polymer; biocide; intrinsic antimicrobial monomer; antimicrobial polymer; biocide; intrinsic antimicrobial
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MDPI and ACS Style

Brodkorb, F.; Fischer, B.; Kalbfleisch, K.; Robers, O.; Braun, C.; Dohlen, S.; Kreyenschmidt, J.; Lorenz, R.; Kreyenschmidt, M. Development of a New Monomer for the Synthesis of Intrinsic Antimicrobial Polymers with Enhanced Material Properties. Int. J. Mol. Sci. 2015, 16, 20050-20066.

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