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Technical Sales Support Specialist



Adaptability and Augmentation of Biocides for Improved Sustainability

Biocides are an essential component of paints to prevent degradation of water based paint while in the can and water and solvent based paint films. The choice of biocides available to provide the required protection is diminishing along with increased limitations on allowed concentrations. Development of new biocidal actives is unlikely and the use of existing ones in novel combinations has been the main innovation seen for some time. One area of current research into the problem of antibiotic resistance and biofilm formation is focusing on bacterial efflux pumps and the same process is involved in tolerance to biocides. Knowledge gained from such research has been adapted to improve the performance of biocides and enable the use of biocide actives in roles not previously possible.

This paper will look at the ways that the activity of available biocides have been augmented to date and discuss the next stage, the potentiation of their protective performance and their role in the future sustainability of paint production.


Kevin Roden graduated from the University of Sydney with a degree in Microbiology and Pharmacology.

He has had extensive experience in microbiological testing and has been employed as Manager for two consultant Microbiological Testing Laboratories and Quality Assurance Manager for a vaccine manufacturer.

Kevin has been involved in the coatings industry for over 30 years while working for biocide manufacturers, recommending biocides for varying applications and evaluating their performance in industrial and personal care products. Kevin is currently employed by Arxada in the position of Technical Sales Support Specialist to assist manufacturers to select the best biocide options for their products and to help overcome any microbiological problems they may encounter. Kevin is currently the Technical Secretary for the Dry Film Working Group of the International Biodeterioration Research Group.
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